/* roulang page: index */
:root {
            --primary: #16A34A;
            --primary-dark: #15803D;
            --primary-light: #4ADE80;
            --dark-bg: #0A0F0D;
            --dark-bg-2: #111B15;
            --light-bg: #F7F9F7;
            --warm: #F59E0B;
            --text-title: #101828;
            --text-body: #27323F;
            --text-secondary: #667085;
            --text-weak: #98A2B3;
            --border: #E4E7EC;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background: #fff;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: #070B09;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }

        .top-bar-inner {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            width: 100%;
        }

        .top-domain {
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.55);
        }

        .top-tip {
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.04em;
            font-size: 13px;
        }

        .top-link {
            text-align: right;
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            transition: color 0.2s ease;
        }

        .top-link:hover {
            color: var(--primary-light);
        }

        @media (max-width: 767px) {
            .top-tip {
                display: none;
            }
            .top-bar-inner {
                grid-template-columns: 1fr auto;
            }
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: rgba(17, 27, 21, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: background 0.3s ease;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: radial-gradient(circle at 32% 28%, #4ADE80, #16A34A 70%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.15), 0 4px 12px rgba(22, 163, 74, 0.3);
        }

        .logo-mark svg {
            width: 22px;
            height: 22px;
        }

        .logo-text {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 600;
            padding: 8px 2px;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-link:hover {
            color: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary-light);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            border-radius: 999px;
            background: var(--primary-light);
        }

        .nav-cta {
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            padding: 8px;
            cursor: pointer;
        }

        @media (max-width: 1023px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--dark-bg-2);
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px 28px;
                gap: 18px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-link {
                font-size: 18px;
                padding: 6px 0;
                width: 100%;
            }

            .nav-link.active::after {
                height: 2px;
                width: 40px;
                left: 0;
                right: auto;
            }

            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: block;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, color 0.2s ease;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.3);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(74, 222, 128, 0.08);
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
        }

        .btn-block {
            width: 100%;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: var(--dark-bg);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.5;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 15, 13, 0.92) 20%, rgba(10, 15, 13, 0.65) 60%, rgba(10, 15, 13, 0.4) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 80px;
            padding-bottom: 60px;
            max-width: 1200px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(74, 222, 128, 0.1);
            border: 1px solid rgba(74, 222, 128, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.06em;
            margin-bottom: 24px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--primary-light);
            border-radius: 50%;
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(74, 222, 128, 0);
            }
        }

        .hero h1 {
            color: #fff;
            font-size: 48px;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 6px rgba(0, 0, 0, 0.4);
            margin-bottom: 20px;
        }

        .hero-highlight {
            color: var(--primary-light);
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 28px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            min-width: 120px;
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            line-height: 1;
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        @media (max-width: 767px) {
            .hero {
                min-height: 520px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 16px;
            }

            .hero-stats {
                gap: 16px;
            }

            .stat-num {
                font-size: 28px;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .section-bg-light {
            background: var(--light-bg);
        }

        .section-bg-white {
            background: #fff;
        }

        .section-bg-dark {
            background: var(--dark-bg-2);
            color: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px auto;
        }

        .section-head.left {
            text-align: left;
            margin-left: 0;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-title);
            letter-spacing: 0.02em;
            margin-top: 8px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            margin-top: 12px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: #E8F7EE;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .section-title-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 40px;
        }

        .section-title-bar h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-title);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }

        .more-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
        }

        .more-link:hover {
            color: var(--primary-dark);
        }

        @media (max-width: 767px) {
            .section {
                padding-top: 56px;
                padding-bottom: 56px;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-title-bar {
                flex-direction: row;
            }

            .section-title-bar h2 {
                font-size: 24px;
            }
        }

        /* ===== 时间线 ===== */
        .timeline-wrap {
            position: relative;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: repeating-linear-gradient(to bottom, #b8e6c8 0 4px, transparent 4px 8px);
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            align-items: center;
            gap: 40px;
            padding: 24px 0;
            position: relative;
        }

        .timeline-item:nth-child(odd) .timeline-card {
            text-align: right;
            order: -1;
        }

        .timeline-item:nth-child(odd) .timeline-time {
            justify-content: flex-start;
        }

        .timeline-time {
            width: 50%;
            display: flex;
            justify-content: flex-end;
            align-items: center;
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            letter-spacing: 0.02em;
            line-height: 1.2;
            position: relative;
            z-index: 1;
        }

        .timeline-time span {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            letter-spacing: 0;
            margin-left: 8px;
        }

        .timeline-card {
            width: 50%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            box-shadow: var(--shadow-sm);
            transition: background 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            position: relative;
        }

        .timeline-card::after {
            content: "";
            position: absolute;
            top: 28px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.15);
            z-index: 2;
        }

        .timeline-item:nth-child(odd) .timeline-card::after {
            right: -36px;
        }

        .timeline-item:nth-child(even) .timeline-card::after {
            left: -36px;
        }

        .timeline-card:hover {
            background: #F1F9F3;
            box-shadow: var(--shadow-md);
            border-color: rgba(22, 163, 74, 0.25);
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .timeline-wrap::before {
                left: 16px;
                transform: none;
            }

            .timeline-item {
                flex-direction: column;
                align-items: flex-start;
                padding-left: 44px;
                gap: 8px;
            }

            .timeline-item:nth-child(odd) .timeline-card {
                text-align: left;
                order: inherit;
            }

            .timeline-time {
                width: auto;
                justify-content: flex-start;
                font-size: 22px;
            }

            .timeline-card {
                width: 100%;
            }

            .timeline-item:nth-child(odd) .timeline-card::after,
            .timeline-item:nth-child(even) .timeline-card::after {
                left: -28px;
                right: auto;
                top: 20px;
            }

            .timeline-time span {
                font-size: 13px;
            }
        }

        /* ===== 亮点卡片 ===== */
        .highlight-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .highlight-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .highlight-img {
            aspect-ratio: 4/3;
            overflow: hidden;
            position: relative;
            background: var(--border);
        }

        .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .highlight-card:hover .highlight-img img {
            transform: scale(1.04);
        }

        .highlight-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 15, 13, 0.75);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: 0.04em;
        }

        .highlight-body {
            padding: 20px;
        }

        .highlight-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .highlight-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== 资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(22, 163, 74, 0.25);
        }

        .news-card-inner {
            display: block;
            height: 100%;
        }

        .news-thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
            background: var(--border);
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.04);
        }

        .news-cat {
            position: absolute;
            top: 12px;
            left: 12px;
            background: #E8F7EE;
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }

        .news-body {
            padding: 18px 20px 20px;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover .news-body h3 {
            color: var(--primary);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid #F0F2F5;
            padding-top: 12px;
        }

        .news-meta .read-more {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
        }

        .empty-state {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-weak);
            font-size: 15px;
        }

        @media (max-width: 1023px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 639px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 套餐对比 ===== */
        .pricing-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .pricing-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }

        .pricing-card.recommended {
            border-top: 4px solid var(--primary);
            transform: scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .pricing-card.recommended:hover {
            transform: scale(1.02) translateY(-4px);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--primary-light);
            color: #062A14;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.02em;
        }

        .pricing-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 4px;
        }

        .pricing-desc {
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .pricing-price {
            font-size: 48px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1;
            margin-bottom: 4px;
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
        }

        .pricing-price span {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            font-family: var(--font-sans);
            margin-left: 4px;
        }

        .pricing-period {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .pricing-features {
            margin-bottom: 28px;
            flex-grow: 1;
        }

        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.5;
        }

        .pricing-features .icon-check {
            color: var(--primary);
            flex-shrink: 0;
            font-weight: 700;
            font-size: 15px;
            line-height: 1.4;
        }

        @media (max-width: 767px) {
            .pricing-card.recommended {
                transform: scale(1);
            }

            .pricing-card.recommended:hover {
                transform: translateY(-4px);
            }

            .pricing-price {
                font-size: 36px;
            }
        }

        /* ===== CTA 报名 ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #0F3A1E, #16A34A 120%);
            padding: 88px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 22px 22px;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .cta-left h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .cta-left>p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-points {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 32px;
        }

        .cta-points li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
        }

        .cta-points .icon-check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(74, 222, 128, 0.2);
            border: 1px solid rgba(74, 222, 128, 0.4);
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .cta-form-wrap {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 36px 32px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .cta-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 14px;
        }

        .cta-form input,
        .cta-form select,
        .cta-form textarea {
            width: 100%;
            height: 46px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 0 16px;
            font-size: 15px;
            font-family: inherit;
            margin-top: 6px;
            outline: none;
            transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .cta-form textarea {
            height: auto;
            padding: 12px 16px;
            resize: vertical;
        }

        .cta-form select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23ffffff' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 44px;
        }

        .cta-form select option {
            color: var(--text-title);
            background: #fff;
        }

        .cta-form input:focus,
        .cta-form select:focus,
        .cta-form textarea:focus {
            background: rgba(255, 255, 255, 0.25);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.15);
        }

        .cta-form input::placeholder,
        .cta-form textarea::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form .btn {
            margin-top: 8px;
        }

        .cta-form .btn:disabled {
            opacity: 0.7;
            cursor: default;
            transform: none !important;
        }

        @media (max-width: 767px) {
            .cta-section {
                padding: 56px 0;
            }

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-left h2 {
                font-size: 28px;
            }

            .cta-form-wrap {
                padding: 24px 20px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
            padding: 88px 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 56px;
        }

        .faq-left h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.3;
            margin-top: 8px;
            margin-bottom: 12px;
        }

        .faq-left p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.8;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item.active {
            border-color: rgba(22, 163, 74, 0.4);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: #fff;
            border: none;
            padding: 18px 20px;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            border-left: 4px solid transparent;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .faq-item.active .faq-question {
            color: var(--primary);
            border-left-color: var(--primary);
        }

        .faq-question .faq-icon {
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            transition: transform 0.2s ease, color 0.2s ease;
            display: inline-block;
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 260px;
        }

        .faq-answer p {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        @media (max-width: 1023px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 767px) {
            .faq-section {
                padding: 56px 0;
            }

            .faq-left h2 {
                font-size: 24px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-logo .logo-mark {
            width: 36px;
            height: 36px;
        }

        .footer-logo .logo-mark svg {
            width: 18px;
            height: 18px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            font-size: 13px;
            line-height: 2.4;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s ease;
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 767px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 24px;
            }

            .site-footer {
                padding-top: 48px;
            }
        }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
        --primary: #16A34A;
        --primary-dark: #15803D;
        --primary-light: #4ADE80;
        --dark-bg: #0A0F0D;
        --deep-bg: #111B15;
        --light-bg: #F7F9F7;
        --warm: #F59E0B;
        --text-title: #101828;
        --text-body: #27323F;
        --text-muted: #667085;
        --text-weak: #98A2B3;
        --border: #E4E7EC;
        --border-dark: rgba(255, 255, 255, 0.12);
        --radius-xl: 12px;
        --radius-2xl: 16px;
        --radius-full: 9999px;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: #fff;
        color: var(--text-body);
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    img,
    svg {
        display: block;
        max-width: 100%;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .2s ease;
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .top-bar {
        background: #0A0F0D;
        height: 36px;
        display: flex;
        align-items: center;
        color: rgba(255, 255, 255, 0.7);
        font-size: 13px;
    }

    .top-bar-inner {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
        gap: 16px;
        width: 100%;
    }

    .top-bar-domain {
        font-family: "SF Mono", "DIN Alternate", monospace;
        font-size: 13px;
        letter-spacing: .04em;
        color: rgba(255, 255, 255, 0.55);
    }

    .top-bar-center {
        text-align: center;
        font-size: 13px;
        letter-spacing: .02em;
    }

    .top-bar-right {
        text-align: right;
    }

    .top-bar-right a {
        color: rgba(255, 255, 255, 0.75);
        font-weight: 500;
        text-decoration: none;
        padding: 2px 0;
        border-bottom: 1px solid transparent;
    }

    .top-bar-right a:hover {
        color: #4ADE80;
        border-color: #4ADE80;
    }

    .main-nav {
        background: rgba(17, 27, 21, 0.96);
        backdrop-filter: blur(12px);
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .nav-inner {
        display: flex;
        align-items: center;
        height: 72px;
        gap: 32px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
        background: linear-gradient(135deg, #4ADE80 0%, #16A34A 100%);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.15);
    }

    .logo-mark svg {
        width: 22px;
        height: 22px;
    }

    .logo-text {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        letter-spacing: .02em;
        white-space: nowrap;
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
        list-style: none;
        flex: 1;
        justify-content: flex-end;
    }

    .nav-link {
        display: inline-block;
        padding: 10px 20px;
        color: rgba(255, 255, 255, 0.78);
        font-size: 15px;
        font-weight: 600;
        border-bottom: 3px solid transparent;
        border-radius: 0;
        transition: color .2s, border-color .2s;
        white-space: nowrap;
    }

    .nav-link:hover {
        color: #4ADE80;
    }

    .nav-link.active {
        color: #4ADE80;
        border-bottom-color: #4ADE80;
    }

    .nav-cta {
        flex-shrink: 0;
        white-space: nowrap;
    }

    .nav-toggle {
        display: none;
        background: none;
        border: none;
        color: #fff;
        cursor: pointer;
        padding: 8px;
        border-radius: 8px;
        transition: background .2s;
    }

    .nav-toggle:hover {
        background: rgba(255, 255, 255, 0.1);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 9999px;
        font-weight: 600;
        font-size: 15px;
        padding: 12px 24px;
        border: none;
        cursor: pointer;
        transition: all .25s ease;
        text-decoration: none;
        line-height: 1.4;
    }

    .btn-primary {
        background: #16A34A;
        color: #fff;
    }

    .btn-primary:hover {
        background: #15803D;
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3);
    }

    .btn-primary:active {
        transform: translateY(0);
        box-shadow: 0 4px 12px rgba(22, 163, 74, 0.25);
    }

    .btn-outline-light {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.6);
        color: #fff;
    }

    .btn-outline-light:hover {
        border-color: #4ADE80;
        color: #4ADE80;
        background: rgba(74, 222, 128, 0.08);
    }

    .btn-outline-dark {
        background: transparent;
        border: 1px solid #D0D5DD;
        color: #27323F;
    }

    .btn-outline-dark:hover {
        border-color: #16A34A;
        color: #16A34A;
        background: rgba(22, 163, 74, 0.04);
    }

    .section {
        padding: 80px 0;
    }

    .section-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .08em;
        text-transform: uppercase;
        color: #16A34A;
        margin-bottom: 12px;
    }

    .section-label::before {
        content: '';
        width: 18px;
        height: 2px;
        background: #16A34A;
        border-radius: 2px;
    }

    .section-title {
        font-size: 36px;
        font-weight: 800;
        color: #101828;
        line-height: 1.3;
        letter-spacing: .02em;
        margin-bottom: 16px;
    }

    .section-sub {
        font-size: 16px;
        color: #667085;
        max-width: 640px;
        line-height: 1.8;
    }

    .hero-section {
        position: relative;
        min-height: 520px;
        display: flex;
        align-items: center;
        background: linear-gradient(135deg, #111B15 0%, #0A0F0D 70%);
        color: #fff;
        overflow: hidden;
        padding: 80px 0 100px;
    }

    .hero-bg {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        opacity: 0.4;
        z-index: 0;
    }

    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(10, 15, 13, 0.96) 0%, rgba(10, 15, 13, 0.72) 50%, rgba(10, 15, 13, 0.55) 100%);
        z-index: 1;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 700px;
    }

    .hero-title {
        font-size: 48px;
        font-weight: 800;
        line-height: 1.15;
        letter-spacing: .02em;
        margin-bottom: 20px;
        text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
    }

    .hero-title .highlight {
        color: #4ADE80;
    }

    .hero-sub {
        font-size: 18px;
        color: rgba(255, 255, 255, 0.85);
        line-height: 1.8;
        max-width: 560px;
        margin-bottom: 32px;
        text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
    }

    .hero-actions {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(74, 222, 128, 0.12);
        border: 1px solid rgba(74, 222, 128, 0.35);
        color: #4ADE80;
        font-size: 13px;
        font-weight: 600;
        padding: 6px 14px;
        border-radius: 9999px;
    }

    .hero-badge .dot {
        width: 7px;
        height: 7px;
        background: #4ADE80;
        border-radius: 50%;
        animation: pulse-dot 1.6s ease-in-out infinite;
    }

    @keyframes pulse-dot {
        0%,
        100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.5;
            transform: scale(0.75);
        }
    }

    .hero-stats {
        display: flex;
        gap: 40px;
        margin-top: 56px;
        padding-top: 28px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-stat-num {
        font-size: 32px;
        font-weight: 800;
        color: #4ADE80;
        line-height: 1;
        font-family: "DIN Alternate", "Arial Narrow", sans-serif;
    }

    .hero-stat-label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.65);
        margin-top: 4px;
    }

    .feature-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .feature-card {
        background: #fff;
        border: 1px solid #E4E7EC;
        border-radius: 16px;
        padding: 28px 24px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
        transition: all .25s ease;
    }

    .feature-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
        border-color: rgba(22, 163, 74, 0.25);
    }

    .feature-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: #E8F7EE;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 20px;
    }

    .feature-icon svg {
        width: 24px;
        height: 24px;
        stroke: #16A34A;
    }

    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: #101828;
        margin-bottom: 8px;
    }

    .feature-card p {
        font-size: 14px;
        color: #667085;
        line-height: 1.7;
    }

    .hot-section {
        background: #111B15;
    }

    .hot-section .section-title {
        color: #fff;
    }

    .hot-section .section-sub {
        color: rgba(255, 255, 255, 0.65);
    }

    .hot-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        margin-top: 40px;
    }

    .hot-card {
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 16px;
        padding: 32px 24px;
        transition: all .25s ease;
        position: relative;
        overflow: hidden;
    }

    .hot-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: #16A34A;
        transform: scaleX(0);
        transform-origin: left;
        transition: transform .3s ease;
    }

    .hot-card:hover {
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-4px);
    }

    .hot-card:hover::before {
        transform: scaleX(1);
    }

    .hot-tag {
        font-size: 12px;
        font-weight: 700;
        letter-spacing: .06em;
        text-transform: uppercase;
        color: #4ADE80;
        background: rgba(74, 222, 128, 0.12);
        padding: 4px 12px;
        border-radius: 9999px;
        display: inline-block;
        margin-bottom: 16px;
    }

    .hot-card h3 {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }

    .hot-card p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        line-height: 1.75;
    }

    .content-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-top: 48px;
    }

    .content-card {
        background: #fff;
        border: 1px solid #E4E7EC;
        border-radius: 16px;
        overflow: hidden;
        transition: all .25s ease;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
    }

    .content-card:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.1);
    }

    .content-card-media {
        aspect-ratio: 16/9;
        overflow: hidden;
        position: relative;
        background: #E4E7EC;
    }

    .content-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .content-card:hover .content-card-media img {
        transform: scale(1.04);
    }

    .content-card-body {
        padding: 24px;
    }

    .content-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: #15803D;
        background: #E8F7EE;
        padding: 4px 12px;
        border-radius: 9999px;
        margin-bottom: 12px;
    }

    .content-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: #101828;
        line-height: 1.5;
        margin-bottom: 8px;
        transition: color .2s;
    }

    .content-card:hover h3 {
        color: #16A34A;
    }

    .content-card p {
        font-size: 14px;
        color: #667085;
        line-height: 1.75;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .content-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-top: 16px;
        padding-top: 16px;
        border-top: 1px solid #F0F2F5;
        font-size: 13px;
        color: #98A2B3;
    }

    .content-meta a {
        color: #16A34A;
        font-weight: 600;
    }

    .process-section {
        background: #F7F9F7;
    }

    .process-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 40px;
        margin-top: 48px;
        position: relative;
    }

    .process-grid::before {
        content: '';
        position: absolute;
        top: 32px;
        left: 16%;
        right: 16%;
        height: 2px;
        background: repeating-linear-gradient(90deg, #16A34A 0, #16A34A 8px, transparent 8px, transparent 16px);
        opacity: 0.35;
    }

    .process-item {
        text-align: center;
        position: relative;
        z-index: 1;
        background: #F7F9F7;
        padding: 0 16px;
    }

    .process-num {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        background: #fff;
        border: 2px solid #16A34A;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        font-weight: 800;
        color: #16A34A;
        box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.12);
        background: #fff;
    }

    .process-item h3 {
        font-size: 18px;
        font-weight: 700;
        color: #101828;
        margin-bottom: 8px;
    }

    .process-item p {
        font-size: 14px;
        color: #667085;
        line-height: 1.75;
    }

    .faq-section {
        background: #fff;
    }

    .faq-layout {
        display: grid;
        grid-template-columns: 0.85fr 1.15fr;
        gap: 60px;
        align-items: start;
    }

    .faq-side .section-title {
        margin-bottom: 12px;
    }

    .faq-side .section-sub {
        font-size: 15px;
        color: #667085;
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .faq-item {
        background: #F7F9F7;
        border: 1px solid #E4E7EC;
        border-radius: 12px;
        overflow: hidden;
        transition: border-color .2s;
    }

    .faq-item.open {
        border-color: rgba(22, 163, 74, 0.5);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        cursor: pointer;
        font-weight: 700;
        font-size: 16px;
        color: #101828;
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        transition: color .2s;
    }

    .faq-question:hover {
        color: #16A34A;
    }

    .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #E8F7EE;
        color: #16A34A;
        font-size: 18px;
        font-weight: 400;
        transition: all .3s ease;
    }

    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: #16A34A;
        color: #fff;
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .3s ease;
    }

    .faq-answer-inner {
        padding: 0 24px 20px;
        font-size: 14px;
        color: #667085;
        line-height: 1.8;
        border-top: 1px solid #E4E7EC;
        margin: 0 24px;
        padding-left: 0;
        padding-right: 0;
    }

    .cta-section {
        position: relative;
        background: linear-gradient(135deg, #0F3D23 0%, #16A34A 100%);
        padding: 80px 0;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
        background-size: 24px 24px;
        pointer-events: none;
    }

    .cta-inner {
        position: relative;
        z-index: 2;
        text-align: center;
        max-width: 640px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        font-size: 36px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
        line-height: 1.3;
    }

    .cta-inner p {
        font-size: 16px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 32px;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .btn-cta-white {
        background: #fff;
        color: #0F3D23;
    }

    .btn-cta-white:hover {
        background: #F0FDF4;
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
    }

    .btn-cta-outline {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, 0.7);
        color: #fff;
    }

    .btn-cta-outline:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.1);
    }

    .related-strip {
        background: #F7F9F7;
        border-top: 1px solid #E4E7EC;
        border-bottom: 1px solid #E4E7EC;
        padding: 20px 0;
    }

    .related-strip .container {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .related-strip span {
        font-size: 14px;
        font-weight: 600;
        color: #101828;
        white-space: nowrap;
    }

    .related-strip a {
        font-size: 14px;
        color: #667085;
        padding: 6px 16px;
        border-radius: 9999px;
        border: 1px solid #E4E7EC;
        background: #fff;
        transition: all .2s;
    }

    .related-strip a:hover {
        color: #16A34A;
        border-color: #16A34A;
        background: #F0FDF4;
    }

    .site-footer {
        background: #0A0F0D;
        color: rgba(255, 255, 255, 0.7);
        padding: 60px 0 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1.2fr;
        gap: 48px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 20px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-brand p {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.8;
        max-width: 320px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: .04em;
    }

    .footer-col ul {
        list-style: none;
    }

    .footer-col li {
        margin-bottom: 10px;
    }

    .footer-col a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        transition: color .2s;
    }

    .footer-col a:hover {
        color: #4ADE80;
    }

    .footer-bottom {
        padding: 20px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
    }

    .mobile-panel {
        display: none;
        background: #111B15;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 16px 24px 24px;
    }

    .mobile-panel.open {
        display: block;
    }

    .mobile-panel a {
        display: block;
        color: rgba(255, 255, 255, 0.85);
        font-size: 17px;
        font-weight: 600;
        padding: 14px 4px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .mobile-panel a:last-child {
        border-bottom: none;
    }

    .mobile-panel a.active {
        color: #4ADE80;
    }

    .mobile-panel .btn {
        margin-top: 16px;
        width: 100%;
    }

    @media (max-width: 1024px) {
        .feature-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .hot-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .content-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .process-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .nav-links {
            display: none;
        }
        .nav-cta {
            display: none;
        }
        .nav-toggle {
            display: flex;
            margin-left: auto;
        }
        .hero-title {
            font-size: 40px;
        }
    }

    @media (max-width: 768px) {
        .section {
            padding: 56px 0;
        }
        .hero-section {
            min-height: auto;
            padding: 60px 0 72px;
        }
        .hero-title {
            font-size: 32px;
        }
        .hero-sub {
            font-size: 16px;
        }
        .hero-stats {
            gap: 24px;
            margin-top: 40px;
        }
        .hero-stat-num {
            font-size: 24px;
        }
        .top-bar-center {
            display: none;
        }
        .top-bar-inner {
            grid-template-columns: 1fr auto;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .faq-layout {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .process-grid {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .process-grid::before {
            display: none;
        }
        .cta-inner h2 {
            font-size: 28px;
        }
        .feature-grid,
        .hot-grid,
        .content-grid {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 20px;
        }
        .hero-title {
            font-size: 28px;
        }
        .hero-actions {
            flex-direction: column;
            align-items: stretch;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .hero-badge {
            justify-content: center;
        }
        .section-title {
            font-size: 26px;
        }
        .footer-bottom .container {
            flex-direction: column;
            text-align: center;
        }
        .related-strip .container {
            flex-direction: column;
            align-items: flex-start;
        }
    }

/* roulang page: article */
:root {
  --primary: #16A34A;
  --primary-dark: #15803D;
  --primary-light: #4ADE80;
  --accent: #F59E0B;
  --bg-dark: #0A0F0D;
  --bg-dark-2: #111B15;
  --bg-light: #F7F9F7;
  --text-title: #101828;
  --text-body: #27323F;
  --text-secondary: #667085;
  --text-muted: #98A2B3;
  --border: #E4E7EC;
  --border-dark: rgba(255,255,255,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);line-height:1.7;background:#fff;color:var(--text-body);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;border:none;outline:none;background:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
h1,h2,h3,h4,h5,h6{color:var(--text-title);line-height:1.3;letter-spacing:.02em}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px}

/* top bar */
.top-bar{background:var(--bg-dark);color:rgba(255,255,255,.72);font-size:13px;border-bottom:1px solid var(--border-dark)}
.top-bar-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:36px;gap:16px}
.top-domain{font-family:"SF Mono","DIN Alternate","Arial Narrow",monospace;letter-spacing:.05em;color:rgba(255,255,255,.55)}
.top-tagline{color:rgba(255,255,255,.85);white-space:nowrap}
.top-action{justify-self:end;color:rgba(255,255,255,.8);font-weight:600;transition:color .2s}
.top-action:hover{color:var(--primary-light);text-decoration:underline}

/* main nav */
.main-nav{background:var(--bg-dark-2);position:sticky;top:0;z-index:100;box-shadow:0 4px 20px rgba(0,0,0,.35)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:40px;height:40px;border-radius:50%;background:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.25);transition:transform .25s}
.logo:hover .logo-mark{transform:scale(1.06)}
.logo-mark svg{width:26px;height:26px;display:block}
.logo-text{font-size:20px;font-weight:800;color:#fff;letter-spacing:.04em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{font-size:15px;font-weight:600;color:rgba(255,255,255,.82);padding:24px 2px 18px;border-bottom:3px solid transparent;transition:color .2s,border-color .2s}
.nav-link:hover{color:var(--primary-light)}
.nav-link.active{color:var(--primary-light);border-bottom-color:var(--primary-light)}
.nav-cta{flex-shrink:0}
.nav-toggle{display:none;color:#fff;background:rgba(255,255,255,.08);border-radius:10px;padding:8px 10px;align-items:center;justify-content:center;cursor:pointer;transition:background .2s}
.nav-toggle:hover{background:rgba(255,255,255,.16)}
.mobile-menu{display:none;background:var(--bg-dark);padding:16px 24px 24px;border-top:1px solid var(--border-dark)}
.mobile-menu.open{display:block}
.mobile-menu-links{display:flex;flex-direction:column;gap:4px}
.mobile-menu-links a{display:block;color:rgba(255,255,255,.88);font-size:18px;font-weight:600;padding:12px 8px;border-radius:10px;transition:background .2s,color .2s}
.mobile-menu-links a:hover{background:rgba(255,255,255,.06);color:var(--primary-light)}
.mobile-menu-links a.active{color:var(--primary-light);background:rgba(22,163,74,.12)}
.mobile-cta{margin-top:16px;text-align:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-weight:700;font-size:15px;line-height:1;padding:12px 24px;border-radius:999px;cursor:pointer;transition:all .2s ease;white-space:nowrap;border:1px solid transparent}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(22,163,74,.28)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(22,163,74,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary-light);background:rgba(22,163,74,.1)}
.btn-outline-dark{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline-dark:hover{background:rgba(22,163,74,.08);border-color:var(--primary-dark);color:var(--primary-dark)}

/* article hero */
.article-hero{background-size:cover;background-position:center;position:relative;padding:72px 0 64px;color:#fff}
.article-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,15,13,.82) 0%,rgba(10,15,13,.66) 60%,rgba(10,15,13,.88) 100%)}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:28px}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:var(--primary-light)}
.breadcrumb-sep{color:rgba(255,255,255,.4)}
.breadcrumb-current{color:var(--primary-light)}
.article-title{font-size:44px;line-height:1.2;font-weight:800;color:#fff;max-width:860px;margin-bottom:20px;text-shadow:0 2px 4px rgba(0,0,0,.3)}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:rgba(255,255,255,.75)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.badge{display:inline-flex;align-items:center;gap:5px;padding:4px 14px;border-radius:999px;border:1px solid rgba(74,222,128,.6);color:var(--primary-light);font-size:13px;font-weight:600;background:rgba(22,163,74,.12)}

/* article section */
.article-section{background:#fff;padding:64px 0 80px}
.article-container{max-width:820px;margin:0 auto}
.article-content{font-size:16px;line-height:1.85;color:var(--text-body)}
.article-content p{margin-bottom:1.5em}
.article-content h2{font-size:28px;font-weight:700;margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--primary);line-height:1.35}
.article-content h3{font-size:22px;font-weight:600;margin:1.8em 0 .6em;padding-left:12px;border-left:4px solid var(--primary-light);line-height:1.4}
.article-content h4{font-size:18px;font-weight:600;margin:1.5em 0 .5em}
.article-content ul,.article-content ol{margin:0 0 1.5em;padding-left:1.6em}
.article-content ul li{list-style:disc;margin-bottom:.45em}
.article-content ol li{list-style:decimal;margin-bottom:.45em}
.article-content blockquote{border-left:3px solid var(--primary);background:var(--bg-light);border-radius:0 12px 12px 0;padding:16px 20px;margin:0 0 1.5em;color:var(--text-secondary);font-style:italic}
.article-content img{border-radius:var(--radius-lg);margin:1.5em 0;box-shadow:var(--shadow-md)}
.article-content a{color:var(--primary);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-content table th,.article-content table td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-content table th{background:var(--bg-light);font-weight:700;color:var(--text-title)}

/* not found */
.not-found-card{background:var(--bg-light);border:1px dashed var(--border);border-radius:var(--radius-lg);padding:56px 32px;text-align:center}
.not-found-card h2{font-size:28px;color:var(--text-title);margin-bottom:12px}
.not-found-card p{color:var(--text-secondary);margin-bottom:24px}

/* related */
.related-section{background:var(--bg-light);padding:64px 0}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:700;position:relative;padding-left:14px}
.section-head h2:before{content:"";position:absolute;left:0;top:6px;width:4px;height:26px;background:var(--primary);border-radius:3px}
.section-more{font-size:14px;color:var(--primary);font-weight:600}
.section-more:hover{color:var(--primary-dark)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg),0 0 0 1px rgba(22,163,74,.1)}
.related-card-img{aspect-ratio:16/9;background:var(--border);overflow:hidden}
.related-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.related-card:hover .related-card-img img{transform:scale(1.04)}
.related-card-body{padding:20px 20px 24px;flex:1;display:flex;flex-direction:column}
.related-card-body h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px;color:var(--text-title);transition:color .2s}
.related-card:hover .related-card-body h3{color:var(--primary)}
.related-card-body p{font-size:14px;color:var(--text-secondary);line-height:1.65;margin-bottom:14px}
.related-link{font-size:14px;color:var(--primary);font-weight:700;margin-top:auto}
.related-link:hover{color:var(--primary-dark)}

/* cta */
.cta-banner{background:linear-gradient(135deg,#14532D 0%,#16A34A 45%,#15803D 100%);position:relative;padding:72px 24px;text-align:center;overflow:hidden}
.cta-banner:before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 20% 40%,rgba(255,255,255,.08) 0,transparent 40%),radial-gradient(circle at 80% 60%,rgba(0,0,0,.12) 0,transparent 50%)}
.cta-banner .container{position:relative;z-index:2}
.cta-banner h2{font-size:34px;font-weight:800;color:#fff;margin-bottom:12px;text-shadow:0 2px 6px rgba(0,0,0,.25)}
.cta-banner p{color:rgba(255,255,255,.85);font-size:17px;margin-bottom:28px}
.cta-banner .btn-primary{background:#fff;color:var(--primary-dark);box-shadow:0 6px 20px rgba(0,0,0,.25)}
.cta-banner .btn-primary:hover{background:var(--primary-light);color:#0A0F0D;transform:translateY(-2px)}

/* footer */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding-top:60px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:40px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800;margin-bottom:16px}
.footer-logo .logo-mark{width:38px;height:38px}
.footer-brand p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.footer-col ul li{margin-bottom:4px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);line-height:2.2;transition:color .2s}
.footer-col ul a:hover{color:var(--primary-light)}
.footer-col ul li{font-size:14px;color:rgba(255,255,255,.6);line-height:2}
.footer-bottom{border-top:1px solid var(--border-dark);padding:20px 0;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}

/* responsive */
@media (max-width: 1023px) {
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width: 767px) {
  .top-bar-inner{grid-template-columns:1fr auto}
  .top-tagline{display:none}
  .container{padding:0 20px}
  .nav-inner{height:64px}
  .logo-text{font-size:18px}
  .article-hero{padding:48px 0 40px}
  .article-title{font-size:30px}
  .article-section{padding:44px 0 56px}
  .related-section{padding:44px 0}
  .section-head h2{font-size:24px}
  .related-grid{grid-template-columns:1fr}
  .cta-banner{padding:56px 20px}
  .cta-banner h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom .container{flex-direction:column;text-align:center}
}

/* roulang page: category2 */
:root {
            --green-dark: #15803D;
            --green-main: #16A34A;
            --green-light: #4ADE80;
            --green-bg: #E8F7EE;
            --deep-bg: #0A0F0D;
            --deep-bg-2: #111B15;
            --light-bg: #F7F9F7;
            --border-light: #E4E7EC;
            --text-dark: #101828;
            --text-body: #27323F;
            --text-muted: #667085;
            --text-faint: #98A2B3;
            --warning: #F59E0B;
            --radius-md: 10px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --radius-2xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 14px rgba(0,0,0,0.06);
            --shadow-xl: 0 14px 28px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--light-bg);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            font-family: inherit;
            background: none;
            border: none;
            cursor: pointer;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 顶部信息条 ===== */
        .topbar {
            background: var(--deep-bg);
            color: rgba(255,255,255,0.7);
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
        }

        .topbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .topbar-domain {
            font-family: "SF Mono", "Courier New", monospace;
            letter-spacing: 0.03em;
        }

        .topbar-tagline {
            color: rgba(255,255,255,0.55);
            letter-spacing: 0.04em;
        }

        .topbar-link {
            color: rgba(255,255,255,0.8);
            padding: 2px 0;
            border-bottom: 1px solid transparent;
            transition: color 0.2s, border-color 0.2s;
        }

        .topbar-link:hover {
            color: var(--green-light);
            border-color: var(--green-light);
        }

        /* ===== 主导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(17, 27, 21, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 15, 13, 0.98);
            box-shadow: 0 6px 24px rgba(0,0,0,0.3);
        }

        .main-nav {
            height: 72px;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            background: var(--green-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 3px rgba(74,222,128,0.2);
        }

        .logo-mark svg {
            width: 22px;
            height: 22px;
        }

        .logo-text {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255,255,255,0.82);
            padding: 8px 2px;
            position: relative;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .nav-link:hover {
            color: var(--green-light);
        }

        .nav-link.active {
            color: var(--green-light);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -4px;
            width: 100%;
            height: 3px;
            border-radius: 999px;
            background: var(--green-main);
        }

        .nav-cta {
            flex-shrink: 0;
            font-size: 14px;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--green-main);
            color: #fff;
            box-shadow: 0 2px 10px rgba(22,163,74,0.3);
            transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
        }

        .nav-cta:hover {
            background: var(--green-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(21,128,61,0.35);
        }

        .nav-toggle {
            display: none;
            color: #fff;
            background: rgba(255,255,255,0.08);
            border-radius: 8px;
            padding: 6px;
            flex-shrink: 0;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 999px;
            transition: all 0.25s ease;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--green-main);
            color: #fff;
            box-shadow: 0 3px 12px rgba(22,163,74,0.35);
        }

        .btn-primary:hover {
            background: var(--green-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(21,128,61,0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            border: 1.5px solid rgba(255,255,255,0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--green-light);
            color: var(--green-light);
            background: rgba(74,222,128,0.08);
        }

        .btn-outline-dark {
            border: 1.5px solid var(--border-light);
            color: var(--text-dark);
            background: #fff;
        }

        .btn-outline-dark:hover {
            border-color: var(--green-main);
            color: var(--green-main);
            background: rgba(22,163,74,0.04);
        }

        .btn-light {
            background: #fff;
            color: var(--text-dark);
            box-shadow: 0 4px 14px rgba(0,0,0,0.1);
        }

        .btn-light:hover {
            background: var(--green-bg);
            color: var(--green-dark);
            transform: translateY(-2px);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10,15,13,0.95) 0%, rgba(10,15,13,0.75) 50%, rgba(10,15,13,0.35) 100%);
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(10,15,13,0.6) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            align-items: center;
            gap: 60px;
            padding-top: 80px;
            padding-bottom: 80px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(74,222,128,0.15);
            border: 1px solid rgba(74,222,128,0.3);
            color: var(--green-light);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            letter-spacing: 0.08em;
            margin-bottom: 22px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            background: var(--green-light);
            border-radius: 50%;
            animation: pulse-dot 1.6s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 6px rgba(0,0,0,0.4);
        }

        .hero h1 .accent {
            color: var(--green-light);
        }

        .hero-desc {
            color: rgba(255,255,255,0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 520px;
            margin-bottom: 30px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 24px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat .num {
            font-size: 32px;
            font-weight: 800;
            color: var(--green-light);
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        /* Hero 右侧实时比分卡片 */
        .live-card-wrap {
            display: flex;
            justify-content: flex-end;
        }

        .live-card {
            width: 100%;
            max-width: 420px;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.14);
            backdrop-filter: blur(14px);
            border-radius: 20px;
            padding: 28px;
            box-shadow: 0 16px 40px rgba(0,0,0,0.4);
        }

        .live-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .live-status {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(240,68,56,0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: 0.06em;
        }

        .live-status .dot {
            width: 6px;
            height: 6px;
            background: #fff;
            border-radius: 50%;
            animation: pulse-dot 1.2s infinite;
        }

        .live-quarter {
            font-size: 13px;
            color: rgba(255,255,255,0.6);
        }

        .live-score-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
        }

        .live-team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
            flex: 1;
        }

        .live-team-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
        }

        .live-team-name {
            color: rgba(255,255,255,0.75);
            font-size: 14px;
            font-weight: 600;
        }

        .live-score-center {
            text-align: center;
            flex-shrink: 0;
            padding: 0 16px;
        }

        .live-score-number {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            line-height: 1;
        }

        .live-score-time {
            font-size: 12px;
            color: var(--green-light);
            margin-top: 6px;
            font-weight: 600;
        }

        .live-events {
            background: rgba(255,255,255,0.06);
            border-radius: 12px;
            padding: 14px 16px;
            margin-bottom: 20px;
        }

        .live-event-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255,255,255,0.7);
            margin-bottom: 6px;
        }

        .live-event-item:last-child {
            margin-bottom: 0;
        }

        .live-event-time {
            color: var(--green-light);
            font-weight: 700;
            font-size: 12px;
            min-width: 30px;
        }

        .live-progress {
            height: 5px;
            background: rgba(255,255,255,0.1);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .live-progress-bar {
            height: 100%;
            width: 72%;
            background: linear-gradient(90deg, var(--green-main), var(--green-light));
            border-radius: 999px;
        }

        .live-card-foot {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
        }

        /* ===== 通用板块样式 ===== */
        .section {
            padding-top: 90px;
            padding-bottom: 90px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--green-main);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
            background: var(--green-bg);
            padding: 4px 14px;
            border-radius: 999px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .section-title .bar {
            display: inline-block;
            width: 4px;
            height: 24px;
            background: var(--green-main);
            border-radius: 4px;
            margin-right: 12px;
            vertical-align: -2px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ===== 特性卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--green-main);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(22,163,74,0.2);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: var(--green-bg);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--green-main);
            font-size: 22px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .feature-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--text-muted);
        }

        /* ===== 深色数据区 ===== */
        .dark-band {
            background: var(--deep-bg-2);
            color: #fff;
        }

        .data-view-grid {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            align-items: center;
            gap: 56px;
        }

        .data-view-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(0,0,0,0.4);
        }

        .data-view-image img {
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }

        .data-view-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(10,15,13,0.7) 100%);
        }

        .data-view-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            z-index: 2;
            background: rgba(10,15,13,0.7);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--green-light);
            font-weight: 600;
        }

        .data-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .data-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.06);
            border-radius: 14px;
            padding: 18px 20px;
            transition: background 0.2s ease;
        }

        .data-list li:hover {
            background: rgba(255,255,255,0.07);
        }

        .data-list-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: rgba(74,222,128,0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--green-light);
            font-size: 18px;
        }

        .data-list h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .data-list p {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            line-height: 1.65;
        }

        /* ===== 场景网格 ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: all 0.25s ease;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }

        .scenario-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--green-bg);
            color: var(--green-main);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 26px;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 流程 ===== */
        .process-band {
            background: var(--light-bg);
        }

        .process-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .process-item {
            background: #fff;
            border-radius: 16px;
            padding: 36px 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            position: relative;
            transition: box-shadow 0.3s ease;
        }

        .process-item:hover {
            box-shadow: var(--shadow-xl);
        }

        .process-step {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--green-main);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            box-shadow: 0 0 0 6px rgba(22,163,74,0.12);
        }

        .process-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .process-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 交叉推荐条 ===== */
        .related-strip {
            background: var(--deep-bg);
            padding: 48px 0;
            border-top: 1px solid rgba(255,255,255,0.06);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .related-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            justify-content: space-between;
        }

        .related-title {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            white-space: nowrap;
        }

        .related-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .related-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            background: rgba(255,255,255,0.06);
            color: rgba(255,255,255,0.8);
            font-size: 14px;
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.1);
            transition: all 0.2s ease;
        }

        .related-link:hover {
            background: rgba(74,222,128,0.12);
            border-color: rgba(74,222,128,0.3);
            color: var(--green-light);
        }

        .related-link i {
            font-size: 12px;
        }

        /* ===== FAQ ===== */
        .faq-layout {
            display: grid;
            grid-template-columns: 0.7fr 1.3fr;
            gap: 60px;
        }

        .faq-side .section-title {
            font-size: 28px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .faq-item.active {
            border-color: rgba(22,163,74,0.35);
            box-shadow: 0 6px 20px rgba(0,0,0,0.06);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            text-align: left;
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--green-main);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--green-bg);
            color: var(--green-main);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--green-main);
            color: #fff;
        }

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            border-top: 1px solid var(--border-light);
            margin-top: 0;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-band {
            background: linear-gradient(135deg, #0F2E1D 0%, #14532D 55%, #15803D 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-band::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15,46,29,0.7) 0%, rgba(15,46,29,0.85) 100%);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255,255,255,0.75);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--deep-bg);
            color: rgba(255,255,255,0.7);
            padding-top: 60px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 0.9fr;
            gap: 60px;
            padding-bottom: 48px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo span:last-child {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
        }

        .footer-brand p {
            color: rgba(255,255,255,0.5);
            font-size: 14px;
            line-height: 1.75;
            max-width: 280px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li {
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            line-height: 1.8;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.5);
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--green-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255,255,255,0.35);
        }

        .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-list {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }

            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .live-card-wrap {
                justify-content: flex-start;
            }

            .data-view-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .nav-links {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--deep-bg);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 4px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
                box-shadow: 0 20px 32px rgba(0,0,0,0.3);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links li {
                width: 100%;
            }

            .nav-link {
                display: block;
                padding: 12px 8px;
                font-size: 16px;
                border-radius: 8px;
                color: rgba(255,255,255,0.8);
            }

            .nav-link:hover,
            .nav-link.active {
                background: rgba(74,222,128,0.08);
                color: var(--green-light);
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .hero {
                min-height: 500px;
            }

            .hero-inner {
                padding-top: 60px;
                padding-bottom: 60px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat .num {
                font-size: 26px;
            }

            .section {
                padding-top: 58px;
                padding-bottom: 58px;
            }

            .section-title {
                font-size: 24px;
            }

            .features-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .faq-layout {
                gap: 28px;
            }

            .related-inner {
                flex-direction: column;
                gap: 16px;
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 30px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .topbar-tagline {
                display: none;
            }

            .topbar-inner {
                justify-content: space-between;
            }

            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-cta-row .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero h1 {
                font-size: 27px;
            }

            .hero-desc {
                font-size: 15px;
            }

            .live-card {
                padding: 20px;
            }

            .live-score-number {
                font-size: 32px;
            }

            .logo-text {
                font-size: 16px;
            }

            .logo-mark {
                width: 30px;
                height: 30px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

        /* focus 可访问性 */
        a:focus,
        button:focus {
            outline: 2px solid var(--green-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid rgba(22,163,74,0.4);
            border-color: var(--green-main) !important;
        }

/* roulang page: category3 */
:root {
            --primary: #16A34A;
            --primary-dark: #15803D;
            --primary-light: #4ADE80;
            --dark: #0A0F0D;
            --dark-2: #111B15;
            --light: #F7F9F7;
            --text-title: #101828;
            --text-body: #27323F;
            --text-muted: #667085;
            --text-faint: #98A2B3;
            --border: #E4E7EC;
            --warning: #F59E0B;
            --error: #F04438;
            --radius: 12px;
            --radius-lg: 16px;
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 12px 24px rgba(0, 0, 0, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            color: var(--text-body);
            background: #ffffff;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            transition: all 0.25s ease;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .top-bar {
            background: var(--dark);
            height: 36px;
            display: flex;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .top-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .top-domain {
            font-family: "SF Mono", "Cascadia Code", Consolas, monospace;
            letter-spacing: 0.02em;
            color: rgba(255, 255, 255, 0.55);
        }

        .top-tip {
            display: none;
            color: rgba(255, 255, 255, 0.6);
        }

        @media (min-width: 768px) {
            .top-tip {
                display: inline;
            }
        }

        .top-bar a {
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            padding: 0 4px;
        }

        .top-bar a:hover {
            color: var(--primary-light);
            text-decoration: underline;
        }

        .main-nav {
            background: var(--dark-2);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-mark svg {
            width: 32px;
            height: 32px;
        }

        .logo-text {
            color: #ffffff;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: none;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 8px;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .nav-links {
                display: flex;
            }
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 600;
            padding: 8px 10px;
            border-radius: 8px;
            position: relative;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary-light);
        }

        .nav-link.active {
            color: var(--primary-light);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -4px;
            left: 10px;
            right: 10px;
            height: 3px;
            border-radius: 99px;
            background: var(--primary-light);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border: 1px solid transparent;
            line-height: 1.4;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(22, 163, 74, 0.1);
        }

        .nav-cta {
            padding: 10px 22px;
            font-size: 14px;
            display: none;
        }

        @media (min-width: 1024px) {
            .nav-cta {
                display: inline-flex;
            }
        }

        .nav-toggle {
            background: transparent;
            border: none;
            color: #ffffff;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .nav-toggle {
                display: none;
            }
        }

        .nav-links.open {
            display: flex;
            flex-direction: column;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--dark-2);
            padding: 16px 24px 24px;
            gap: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .nav-links.open .nav-link {
            font-size: 17px;
            padding: 10px 12px;
            border-radius: 10px;
        }

        .nav-links.open .nav-link:hover {
            background: rgba(22, 163, 74, 0.15);
        }

        .hero-section {
            background-size: cover;
            background-position: center;
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(74, 222, 128, 0.12);
            border: 1px solid rgba(74, 222, 128, 0.3);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 6px 16px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary-light);
            animation: pulse 1.6s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.55;
                transform: scale(0.8);
            }
        }

        .hero-title {
            color: #ffffff;
            font-size: 44px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: 0.02em;
            max-width: 780px;
            margin: 0 0 16px;
        }

        .hero-title .highlight {
            color: var(--primary-light);
        }

        .hero-subtitle {
            color: #D1E0D8;
            font-size: 17px;
            line-height: 1.8;
            max-width: 560px;
            margin: 0 0 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 56px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 32px;
        }

        .hero-stat {
            text-align: left;
            color: #ffffff;
        }

        .hero-stat .num {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary-light);
            font-family: "DIN Alternate", "Arial Narrow", sans-serif;
            line-height: 1.2;
        }

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 30px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        .section {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--light);
        }

        .section-dark {
            background: var(--dark);
            color: #ffffff;
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin: 0;
            position: relative;
            padding-left: 14px;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0.12em;
            bottom: 0.12em;
            width: 4px;
            border-radius: 99px;
            background: var(--primary);
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 15px;
            margin: 8px 0 0 14px;
            max-width: 500px;
        }

        .section-dark .section-subtitle {
            color: #98A2B3;
        }

        .card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 24px;
            box-shadow: var(--shadow-md);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl), 0 0 0 1px rgba(22, 163, 74, 0.08);
            border-color: rgba(22, 163, 74, 0.28);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: #E8F7EE;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .card p {
            color: var(--text-muted);
            font-size: 14px;
            margin: 0;
            line-height: 1.75;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-top: 16px;
        }

        .card-link:hover {
            color: var(--primary-dark);
        }

        .grid {
            display: grid;
            gap: 20px;
        }

        .grid-2 {
            grid-template-columns: 1fr;
        }

        .grid-3 {
            grid-template-columns: 1fr;
        }

        .grid-4 {
            grid-template-columns: 1fr;
        }

        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
            }
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .tag {
            display: inline-flex;
            align-items: center;
            background: #E8F7EE;
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            padding: 4px 12px;
            letter-spacing: 0.02em;
        }

        .circle-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            display: block;
            transition: all 0.3s ease;
        }

        .circle-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(22, 163, 74, 0.3);
        }

        .circle-card .cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E4E7EC;
            position: relative;
        }

        .circle-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .circle-card:hover .cover img {
            transform: scale(1.04);
        }

        .circle-card .cover .tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 15, 13, 0.7);
            color: var(--primary-light);
            border: 1px solid rgba(74, 222, 128, 0.3);
            backdrop-filter: blur(4px);
        }

        .circle-card .body {
            padding: 20px;
        }

        .circle-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 8px;
        }

        .circle-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.75;
        }

        .steps-section {
            padding: 80px 0;
            background-image: linear-gradient(to bottom, rgba(10, 15, 13, 0.92), rgba(10, 15, 13, 0.9)), url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(6px);
            transition: background 0.25s ease, border-color 0.25s ease;
        }

        .step-item:hover {
            background: rgba(22, 163, 74, 0.1);
            border-color: rgba(74, 222, 128, 0.3);
        }

        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #ffffff;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: 0 0 0 6px rgba(22, 163, 74, 0.2);
        }

        .step-item h3 {
            color: #ffffff;
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .step-item p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin: 0;
            line-height: 1.75;
        }

        .topic-list {
            display: grid;
            gap: 16px;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-md);
            transition: all 0.25s ease;
        }

        .topic-item:hover {
            border-color: rgba(22, 163, 74, 0.35);
            box-shadow: var(--shadow-xl);
            transform: translateX(4px);
        }

        .topic-item .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary-light);
            flex-shrink: 0;
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.12);
        }

        .topic-item .txt {
            flex: 1;
        }

        .topic-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 2px;
        }

        .topic-item p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        .topic-item .go {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .faq-wrapper {
            display: grid;
            gap: 40px;
            align-items: start;
        }

        @media (min-width: 1024px) {
            .faq-wrapper {
                grid-template-columns: 0.8fr 1.2fr;
            }
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            box-shadow: var(--shadow-md);
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }

        .faq-item:hover {
            border-color: rgba(22, 163, 74, 0.3);
            box-shadow: var(--shadow-xl);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-xl), 0 0 0 1px rgba(22, 163, 74, 0.08);
        }

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }

        .faq-q .q-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.5;
        }

        .faq-item.open .faq-q .q-text {
            color: var(--primary);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1F9F3;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 400;
            flex-shrink: 0;
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #ffffff;
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease, border-color 0.3s ease;
            border-top: 1px solid transparent;
            padding-top: 0;
            margin-top: 0;
        }

        .faq-item.open .faq-a {
            max-height: 400px;
            border-top-color: var(--border);
            padding-top: 16px;
            margin-top: 16px;
        }

        .faq-a p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.8;
        }

        .cta-section {
            background: linear-gradient(135deg, #14532D 0%, #166534 50%, #14532D 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
            color: #ffffff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: 0.5;
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 48px;
            position: relative;
            align-items: center;
        }

        @media (min-width: 1024px) {
            .cta-grid {
                grid-template-columns: 1.1fr 0.9fr;
            }
        }

        .cta-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin: 0 0 16px;
        }

        .cta-subtitle {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin: 0 0 24px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 20px;
            padding: 32px;
            backdrop-filter: blur(8px);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cta-form label {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            display: block;
            margin-bottom: 6px;
        }

        .cta-form input,
        .cta-form select {
            width: 100%;
            height: 46px;
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.12);
            color: #ffffff;
            padding: 0 16px;
            font-size: 14px;
            outline: none;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus,
        .cta-form select:focus {
            background: rgba(255, 255, 255, 0.9);
            color: var(--text-title);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(22, 163, 74, 0.2);
        }

        .cta-form select option {
            color: var(--text-title);
        }

        .cta-form .btn {
            width: 100%;
            margin-top: 4px;
        }

        .form-success {
            display: none;
            background: rgba(22, 163, 74, 0.2);
            border: 1px solid rgba(74, 222, 128, 0.5);
            color: #ffffff;
            border-radius: 10px;
            padding: 14px 16px;
            font-size: 14px;
            text-align: center;
        }

        .form-success.show {
            display: block;
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-mark {
            width: 40px;
            height: 40px;
            background: var(--primary-light);
        }

        .footer-logo span:last-child {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.75;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col li {
            margin-bottom: 10px;
            font-size: 14px;
        }

        .footer-col a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom .container {
            display: flex;
            flex-direction: column;
            gap: 6px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 768px) {
            .footer-bottom .container {
                flex-direction: row;
            }
        }

        .related-strip {
            background: #F0F7F1;
            border-radius: var(--radius-lg);
            border: 1px solid #D9EFDE;
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-start;
        }

        @media (min-width: 768px) {
            .related-strip {
                flex-direction: row;
                align-items: center;
                justify-content: space-between;
            }
        }

        .related-strip .label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-title);
            white-space: nowrap;
        }

        .related-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 20px;
        }

        .related-links a {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
        }

        .related-links a:hover {
            color: var(--primary-dark);
        }

        .backpic-band {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            background-size: cover;
            background-position: center;
            min-height: 220px;
            display: flex;
            align-items: center;
        }

        .backpic-band .overlay-text {
            position: relative;
            z-index: 2;
            padding: 32px;
            color: #ffffff;
            max-width: 480px;
        }

        .backpic-band .overlay-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 8px;
        }

        .backpic-band .overlay-text p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin: 0;
        }

        .focus-visible {
            outline: none;
        }

        .focus-visible:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .cta-title {
                font-size: 26px;
            }

            .cta-form {
                padding: 24px 20px;
            }

            .footer-grid {
                gap: 32px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #16A34A;
            --primary-dark: #15803D;
            --primary-light: #4ADE80;
            --dark: #0A0F0D;
            --dark-2: #111B15;
            --light: #F7F9F7;
            --title: #101828;
            --body: #27323F;
            --muted: #667085;
            --weak: #98A2B3;
            --border: #E4E7EC;
            --warning: #F59E0B;
            --radius: 16px;
            --radius-lg: 20px;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: #fff;
            color: var(--body);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 顶部信息条 ===== */
        .top-bar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            height: 36px;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 16px;
        }

        .top-bar .domain {
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
        }

        .top-bar .slogan {
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        .top-bar .top-action {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .top-bar .top-action a {
            color: rgba(255, 255, 255, 0.65);
            transition: color .2s;
        }

        .top-bar .top-action a:hover {
            color: var(--primary-light);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        @media (max-width:640px) {
            .top-bar .slogan {
                display: none;
            }
            .top-bar .container {
                justify-content: space-between;
            }
        }

        /* ===== 主导航 ===== */
        .main-nav {
            background: var(--dark-2);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: opacity .2s;
        }

        .logo:hover {
            opacity: 0.88;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.14);
        }

        .logo-mark svg {
            width: 24px;
            height: 24px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 16px;
            border-radius: 999px;
            position: relative;
            transition: color .2s, background .2s;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--primary-light);
            background: rgba(74, 222, 128, 0.08);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(74, 222, 128, 0.12);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary-light);
        }

        .nav-cta {
            margin-left: 8px;
            flex-shrink: 0;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            padding: 6px;
            border-radius: 8px;
            transition: background .2s;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width:1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-link {
                padding: 8px 12px;
                font-size: 14px;
            }
            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media (max-width:768px) {
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: var(--dark-2);
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                width: 100%;
                text-align: center;
                padding: 14px 16px;
                font-size: 17px;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-cta {
                display: none;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            transition: all .25s;
            line-height: 1.4;
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(22, 163, 74, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(22, 163, 74, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(22, 163, 74, 0.25);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.45);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(22, 163, 74, 0.12);
            transform: translateY(-2px);
        }

        .btn-dark-outline {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: transparent;
        }

        .btn-dark-outline:hover {
            background: rgba(22, 163, 74, 0.08);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-success {
            background: var(--primary-dark);
            color: #fff;
        }

        .btn:disabled {
            opacity: 0.7;
            cursor: not-allowed;
            transform: none !important;
        }

        .btn svg {
            width: 18px;
            height: 18px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            color: #fff;
            background-color: var(--dark);
            overflow: hidden;
        }

        .hero-img-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.4;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 15, 13, 0.9) 0%, rgba(10, 15, 13, 0.65) 55%, rgba(10, 15, 13, 0.35) 100%);
        }

        .hero-line {
            position: absolute;
            right: 8%;
            top: 15%;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            padding: 64px 0;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-light);
            letter-spacing: 0.02em;
            margin-bottom: 22px;
            backdrop-filter: blur(4px);
        }

        .hero-tag .dot {
            width: 8px;
            height: 8px;
            background: var(--primary-light);
            border-radius: 50%;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(74, 222, 128, 0.5);
            }
            50% {
                box-shadow: 0 0 0 5px rgba(74, 222, 128, 0);
            }
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
        }

        .hero-title .highlight {
            color: var(--primary-light);
        }

        .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 36px;
            line-height: 1.8;
            text-shadow: 0 1px 4px rgba(0, 0, 0, 0.3);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            padding-top: 28px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat b {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
            line-height: 1.2;
        }

        .hero-stat span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        @media (max-width:768px) {
            .hero {
                min-height: 480px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-content {
                padding: 48px 0;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat b {
                font-size: 24px;
            }
        }

        @media (max-width:520px) {
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        /* ===== 板块 ===== */
        .section {
            padding: 88px 0;
        }

        .section-light {
            background: var(--light);
        }

        .section-white {
            background: #fff;
        }

        .section-dark {
            background: var(--dark);
            color: #fff;
        }

        @media (max-width:768px) {
            .section {
                padding: 60px 0;
            }
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-title-row {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .section-title-bar {
            width: 5px;
            height: 30px;
            background: var(--primary);
            border-radius: 4px;
            flex-shrink: 0;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--title);
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .section-desc {
            margin-top: 12px;
            font-size: 16px;
            color: var(--muted);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-title-row {
            justify-content: center;
        }

        .section-head.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width:768px) {
            .section-title {
                font-size: 24px;
            }
            .section-title-bar {
                height: 24px;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all .3s;
            height: 100%;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg), 0 0 0 1px rgba(22, 163, 74, 0.1);
            border-color: rgba(22, 163, 74, 0.3);
        }

        .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #E4E7EC;
        }

        .card-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

        .card:hover .card-img {
            transform: scale(1.04);
        }

        .card-img-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 15, 13, 0.72);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .card-body {
            padding: 26px 26px 28px;
        }

        .card-tag {
            display: inline-block;
            background: #E8F7EE;
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 10px;
            line-height: 1.4;
            transition: color .2s;
        }

        .card:hover .card-title {
            color: var(--primary);
        }

        .card-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: gap .2s;
        }

        .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ===== 特色卡片（更厚重） ===== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 34px 30px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .4s;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg), 0 0 0 1px rgba(22, 163, 74, 0.08);
            border-color: rgba(22, 163, 74, 0.25);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(22, 163, 74, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
            color: var(--primary);
        }

        .feature-icon svg {
            width: 28px;
            height: 28px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 12px;
            line-height: 1.35;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        @media (max-width:768px) {
            .feature-card {
                padding: 26px 22px;
            }
        }

        /* ===== 覆盖赛事标签 ===== */
        .league-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 24px;
        }

        .league-tag {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 8px 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--body);
            transition: all .2s;
            letter-spacing: 0.02em;
        }

        .league-tag:hover {
            border-color: var(--primary);
            color: var(--primary-dark);
            background: #F3FAF5;
            transform: translateY(-2px);
        }

        .league-tag.hot {
            border-color: rgba(245, 158, 11, 0.3);
            color: #B45309;
            background: #FFF8ED;
        }

        .league-tag.hot:hover {
            border-color: var(--warning);
            background: #FFFBEB;
        }

        /* ===== 图文区块 ===== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .split-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .split-img-wrap img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform .4s;
        }

        .split-img-wrap:hover img {
            transform: scale(1.03);
        }

        .split-img-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(10, 15, 13, 0.78);
            color: var(--primary-light);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(4px);
        }

        .split-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--title);
            line-height: 1.35;
            margin-bottom: 18px;
        }

        .split-content p {
            font-size: 16px;
            color: var(--muted);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .split-list {
            list-style: none;
            margin-top: 8px;
        }

        .split-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--body);
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .split-list li svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            margin-top: 2px;
            color: var(--primary);
        }

        @media (max-width:900px) {
            .split-block {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .split-content h3 {
                font-size: 24px;
            }
        }

        /* ===== 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all .3s;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(22, 163, 74, 0.25);
        }

        .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(22, 163, 74, 0.12);
            color: var(--primary);!important;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            border: 2px solid rgba(22, 163, 74, 0.2);
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
        }

        .step-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            transform: translateY(-50%);
            color: var(--primary);
            z-index: 2;
            width: 22px;
            height: 22px;
            background: #fff;
            border-radius: 50%;
            box-shadow: var(--shadow);
        }

        @media (max-width:900px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .step-arrow {
                display: none;
            }
        }

        @media (max-width:520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA 横幅 ===== */
        .cta-banner {
            position: relative;
            background: var(--dark);
            overflow: hidden;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }

        .cta-banner img.cta-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
        }

        .cta-banner .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 13, 0.2), rgba(10, 15, 13, 0.85));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
        }

        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 32px;
        }

        @media (max-width:768px) {
            .cta-banner {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 28px;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

        .faq-item.active {
            border-color: rgba(22, 163, 74, 0.4);
            box-shadow: 0 4px 16px rgba(22, 163, 74, 0.08);
        }

        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            width: 100%;
            padding: 18px 24px 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            background: none;
            border: none;
            text-align: left;
            cursor: pointer;
            border-left: 4px solid var(--primary);
            transition: color .2s;
            line-height: 1.5;
        }

        .faq-q:hover {
            color: var(--primary-dark);
            background: #FAFDFA;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid var(--border);
            color: var(--muted);
            transition: all .3s;
            font-size: 16px;
            line-height: 1;
        }

        .faq-item.active .faq-icon {
            border-color: var(--primary);
            color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-a {
            display: none;
            padding: 0 24px 20px 26px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.85;
        }

        .faq-item.active .faq-a {
            display: block;
        }

        /* ===== 表单 ===== */
        .join-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            background: var(--dark);
            border-radius: 24px;
            padding: 56px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .join-wrap::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(74, 222, 128, 0.08);
            pointer-events: none;
        }

        .join-left h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .join-left p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.8;
            max-width: 400px;
        }

        .join-left .join-note {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 28px;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        .join-left .join-note svg {
            width: 20px;
            height: 20px;
            color: var(--primary-light);
            flex-shrink: 0;
        }

        .join-form {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 32px;
            backdrop-filter: blur(6px);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 6px;
        }

        .form-group label .required {
            color: #F87171;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            height: 46px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 0 16px;
            color: #fff;
            font-size: 14px;
            transition: all .25s;
            outline: none;
        }

        .form-group textarea {
            height: auto;
            min-height: 88px;
            padding: 12px 16px;
            resize: vertical;
            line-height: 1.6;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.15);
        }

        .form-group select {
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%23ADB5BD' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m4 6 4 4 4-4'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 40px;
        }

        .form-group select option {
            background: var(--dark-2);
            color: #fff;
        }

        .form-submit {
            width: 100%;
            margin-top: 6px;
        }

        .form-tip {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
            margin-top: 12px;
        }

        @media (max-width:900px) {
            .join-wrap {
                grid-template-columns: 1fr;
                padding: 36px 24px;
                gap: 32px;
            }
            .join-left h2 {
                font-size: 26px;
            }
        }

        @media (max-width:520px) {
            .join-form {
                padding: 24px 18px;
            }
        }

        /* ===== 页面切换相关 ===== */
        .scrolling-box {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            padding: 4px 0;
            scroll-snap-type: x mandatory;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 48px;
            padding: 68px 0 44px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.48);
            line-height: 1.8;
            margin-top: 14px;
            max-width: 300px;
        }

        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 20px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col li {
            font-size: 13px;
            line-height: 2.3;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col a {
            transition: color .2s;
        }

        .footer-col a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 48px 0 32px;
            }
            .footer-bottom .container {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 辅助 ===== */
        .self-tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            background: #E8F7EE;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .text-primary {
            color: var(--primary);
        }

        .text-muted {
            color: var(--muted);
        }

        .mt-12 {
            margin-top: 12px;
        }

        .mt-50 {
            margin-top: 50px;
        }

        .block {
            display: block;
        }

        .animate-spin {
            animation: spin 1s linear infinite;
        }

        @keyframes spin {
            from {
                transform: rotate(0deg);
            }
            to {
                transform: rotate(360deg);
            }
        }