/* roulang page: index */
:root {
            --bg-primary: #0B0F1A;
            --bg-secondary: #111827;
            --bg-elevated: #1A2234;
            --primary: #00E0B8;
            --accent: #FFC53D;
            --tertiary: #A78BFA;
            --text-primary: #E5E7EB;
            --text-secondary: #9CA3AF;
            --text-invert: #0B0F1A;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 224, 184, 0.4);
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-1: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-2: 0 8px 32px rgba(0, 0, 0, 0.5);
            --transition: 200ms ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            display: block;
            max-width: 100%;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: #00F5CC;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            outline: none;
        }

        .container-wide {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container-wide {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 56px 0;
            }
        }

        .eyebrow {
            font-size: 13px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--primary);
            display: inline-block;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-top: 12px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 22px;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: var(--text-invert);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(0, 224, 184, 0.25);
        }
        .btn-primary:hover {
            background: #00F5CC;
            color: var(--text-invert);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 224, 184, 0.35);
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: var(--text-invert);
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(255, 197, 61, 0.25);
        }
        .btn-accent:hover {
            background: #FFD257;
            color: var(--text-invert);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 197, 61, 0.35);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1px solid rgba(0, 224, 184, 0.4);
            font-weight: 600;
            font-size: 15px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: #00F5CC;
            background: rgba(0, 224, 184, 0.08);
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 15, 26, 0.7);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }
        .top-header {
            border-bottom: 1px solid var(--border);
            height: 48px;
            display: flex;
            align-items: center;
        }
        .top-header .container-wide {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text-primary);
        }
        .logo-area:hover {
            color: var(--primary);
        }
        .logo-badge {
            font-size: 11px;
            background: rgba(0, 224, 184, 0.15);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            letter-spacing: 1px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-actions .login-link {
            font-size: 14px;
            color: var(--text-primary);
            padding: 6px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all var(--transition);
        }
        .header-actions .login-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .header-actions .service-icon {
            color: var(--text-secondary);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
        }
        .header-actions .service-icon:hover {
            color: var(--primary);
            background: rgba(0, 224, 184, 0.08);
        }

        .nav-header {
            height: 44px;
            display: flex;
            align-items: center;
        }
        .nav-header .container-wide {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            gap: 24px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .main-nav a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 0;
            border-bottom: 2px solid transparent;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a:hover {
            color: var(--text-primary);
        }
        .main-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }
        .nav-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-elevated);
            border: 1px solid transparent;
            border-radius: 8px;
            padding: 6px 12px;
            transition: border-color var(--transition);
            height: 32px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.15);
        }
        .nav-search svg {
            width: 14px;
            height: 14px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 13px;
            width: 110px;
            margin-left: 6px;
        }
        .nav-search input::placeholder {
            color: var(--text-secondary);
        }
        .hot-tags {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hot-tags span {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .hot-tags a {
            font-size: 12px;
            color: var(--tertiary);
            border: 1px solid rgba(167, 139, 250, 0.25);
            background: rgba(167, 139, 250, 0.08);
            padding: 2px 10px;
            border-radius: 20px;
            transition: all var(--transition);
        }
        .hot-tags a:hover {
            background: rgba(167, 139, 250, 0.2);
            color: #C4B5FD;
        }
        .menu-toggle {
            display: none;
            color: var(--text-primary);
            padding: 6px;
        }
        @media (max-width: 1024px) {
            .nav-tools .hot-tags {
                display: none;
            }
            .nav-search input {
                width: 90px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 92px;
                left: 0;
                right: 0;
                background: var(--bg-secondary);
                border-bottom: 1px solid var(--border);
                padding: 16px 24px;
                gap: 12px;
                box-shadow: var(--shadow-2);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 10px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .menu-toggle {
                display: inline-flex;
            }
            .nav-search {
                display: none;
            }
            .nav-tools .hot-tags {
                display: none;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 15, 26, 0.94) 0%, rgba(11, 15, 26, 0.75) 50%, rgba(11, 15, 26, 0.45) 100%);
        }
        .hero .container-wide {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-copy {
            padding: 60px 0;
        }
        .hero-copy .eyebrow {
            margin-bottom: 16px;
        }
        .hero-copy h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -1px;
        }
        .hero-copy h1 .highlight {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }
        .hero-copy h1 .highlight::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 2px;
            height: 4px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0.5;
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-top: 20px;
            max-width: 500px;
        }
        .hero-cta {
            display: flex;
            gap: 16px;
            margin-top: 32px;
            flex-wrap: wrap;
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .num {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            font-family: "Inter", "DIN Alternate", sans-serif;
        }
        .hero-stat .num span {
            color: var(--primary);
        }
        .hero-stat .label {
            font-size: 13px;
            color: var(--text-sub);
            margin-top: 2px;
        }
        .hero-cover {
            position: relative;
            display: flex;
            justify-content: flex-end;
        }
        .hero-cover img {
            border-radius: var(--radius-card);
            border: 1px solid rgba(0, 224, 184, 0.3);
            box-shadow: 0 0 40px rgba(0, 224, 184, 0.25), var(--shadow-2);
            width: 100%;
            max-width: 520px;
            height: auto;
            aspect-ratio: 16/10;
            object-fit: cover;
        }
        @media (max-width: 1024px) {
            .hero {
                min-height: 560px;
            }
            .hero-copy h1 {
                font-size: 38px;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: auto;
            }
            .hero .container-wide {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-top: 48px;
                padding-bottom: 48px;
            }
            .hero-copy {
                padding: 0;
            }
            .hero-copy h1 {
                font-size: 30px;
            }
            .hero-cover {
                justify-content: center;
            }
            .hero-cover img {
                max-width: 100%;
            }
            .hero-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
            .hero-cta {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta a {
                text-align: center;
            }
        }

        /* ===== News Section ===== */
        .news-section {
            background: var(--bg-primary);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 40px;
        }
        .section-head .more-link {
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding-bottom: 4px;
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }
        .section-head .more-link:hover {
            border-bottom-color: var(--primary);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition);
            min-height: 280px;
        }
        .news-card:hover {
            border-color: var(--border-hover);
            box-shadow: 0 8px 32px rgba(0, 224, 184, 0.15);
            transform: translateY(-4px);
        }
        .news-tag {
            font-size: 12px;
            color: var(--primary);
            background: rgba(0, 224, 184, 0.1);
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
            align-self: flex-start;
        }
        .news-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 48px;
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border);
        }
        .news-meta-row time {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .news-card-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card-link:hover {
            gap: 8px;
        }
        .empty-state {
            grid-column: 1 / -1;
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
            padding: 60px 24px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== Benefits ===== */
        .benefits-section {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }
        .benefits-section::before {
            content: "";
            position: absolute;
            top: -200px;
            right: -200px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 224, 184, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .benefit-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: flex-start;
        }
        .benefit-card {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            min-height: 320px;
        }
        .benefit-card.level-1 {
            height: 320px;
            border-color: rgba(255, 255, 255, 0.1);
        }
        .benefit-card.level-2 {
            height: 356px;
            border-color: rgba(0, 224, 184, 0.35);
            box-shadow: 0 8px 32px rgba(0, 224, 184, 0.1);
        }
        .benefit-card.level-3 {
            height: 392px;
            border-color: rgba(255, 197, 61, 0.5);
            box-shadow: 0 8px 32px rgba(255, 197, 61, 0.12);
        }
        .benefit-card .hot-flag {
            position: absolute;
            top: 0;
            left: 24px;
            background: var(--accent);
            color: var(--text-invert);
            font-size: 11px;
            font-weight: 800;
            padding: 3px 12px;
            border-radius: 0 0 6px 6px;
            letter-spacing: 1px;
        }
        .benefit-level {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
        }
        .level-1 .benefit-level {
            color: var(--text-secondary);
        }
        .level-2 .benefit-level {
            color: var(--primary);
        }
        .level-3 .benefit-level {
            color: var(--accent);
        }
        .benefit-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            margin-top: 8px;
        }
        .benefit-list {
            list-style: none;
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
        }
        .benefit-list .check-icon {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(0, 224, 184, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .benefit-list .check-icon svg {
            width: 10px;
            height: 10px;
        }
        .benefit-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 24px;
            border-bottom: 1px solid transparent;
            transition: all var(--transition);
        }
        .benefit-cta:hover {
            border-bottom-color: var(--primary);
        }
        @media (max-width: 768px) {
            .benefit-cards {
                grid-template-columns: 1fr;
            }
            .benefit-card.level-1,
            .benefit-card.level-2,
            .benefit-card.level-3 {
                height: auto;
                min-height: auto;
            }
        }

        /* ===== Compare Table ===== */
        .compare-section {
            background: var(--bg-primary);
        }
        .table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-1);
        }
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            min-width: 760px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 20px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
        }
        .compare-table thead th {
            background: var(--bg-elevated);
            color: var(--text-main);
            font-weight: 700;
            height: 56px;
            font-size: 15px;
        }
        .compare-table thead th:first-child {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            letter-spacing: 1px;
        }
        .compare-table tbody td {
            color: var(--text-sub);
        }
        .compare-table tbody td:first-child {
            color: var(--text-secondary);
            text-align: left;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.02);
        }
        .compare-table tbody tr:nth-child(even) td {
            background: #0F1524;
        }
        .compare-table tbody tr:nth-child(even) td:first-child {
            background: rgba(255, 255, 255, 0.04);
        }
        .compare-table .recommend-col {
            background: rgba(255, 197, 61, 0.05) !important;
            border-left: 2px solid rgba(255, 197, 61, 0.3);
            border-right: 2px solid rgba(255, 197, 61, 0.3);
            position: relative;
        }
        .compare-table .recommend-flag {
            display: inline-block;
            background: var(--accent);
            color: var(--text-invert);
            font-size: 11px;
            font-weight: 800;
            padding: 3px 10px;
            border-radius: 4px 4px 4px 0;
            margin-bottom: 6px;
            letter-spacing: 1px;
        }
        .compare-table .check-mark {
            color: var(--primary);
            display: inline-flex;
        }
        .compare-table .cross-mark {
            color: var(--text-secondary);
            opacity: 0.5;
            display: inline-flex;
        }
        .compare-table .score-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 20px;
            background: rgba(0, 224, 184, 0.12);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .table-wrapper {
                margin: 0 -16px;
                border-left: none;
                border-right: none;
                border-radius: 0;
            }
            .compare-table {
                min-width: 680px;
            }
        }

        /* ===== Limited ===== */
        .limited-section {
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }
        .limited-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 400px;
            background: radial-gradient(ellipse, rgba(255, 197, 61, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }
        .limited-box {
            position: relative;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .limited-box h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
        }
        .limited-box .limited-desc {
            font-size: 16px;
            color: var(--text-sub);
            margin-top: 12px;
        }
        .countdown-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-top: 28px;
        }
        .countdown-item {
            background: var(--bg-elevated);
            border: 1px solid rgba(255, 197, 61, 0.2);
            border-radius: 12px;
            min-width: 76px;
            padding: 12px 10px;
        }
        .countdown-item .num {
            font-size: 32px;
            font-weight: 800;
            font-family: "Inter", "DIN Alternate", sans-serif;
            color: var(--accent);
            line-height: 1.2;
        }
        .countdown-item .label {
            font-size: 12px;
            color: var(--text-sub);
            margin-top: 2px;
        }
        .countdown-sep {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-secondary);
            align-self: center;
            padding-bottom: 18px;
        }
        .limited-box .btn-accent {
            margin-top: 32px;
        }
        @media (max-width: 768px) {
            .limited-box h2 {
                font-size: 24px;
            }
            .countdown-item {
                min-width: 60px;
                padding: 10px 8px;
            }
            .countdown-item .num {
                font-size: 22px;
            }
        }

        /* ===== Announcements ===== */
        .announcements-section {
            background: var(--bg-primary);
        }
        .announcements-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .timeline-wrap {
            position: relative;
            padding-left: 32px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), transparent);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 32px;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -30px;
            top: 4px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 0 4px rgba(0, 224, 184, 0.2);
        }
        .timeline-item .tl-time {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            font-family: "Inter", monospace;
        }
        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-top: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin-top: 6px;
        }
        .timeline-item .tl-status {
            font-size: 11px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            margin-top: 6px;
            display: inline-block;
        }
        .tl-status.update {
            background: rgba(0, 224, 184, 0.12);
            color: var(--primary);
        }
        .tl-status.done {
            background: rgba(255, 197, 61, 0.12);
            color: var(--accent);
        }
        .announcements-note {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .announcements-note h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .announcements-note p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
        }
        .announcements-note .note-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .announcements-note .note-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .announcements-note .note-list .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--tertiary);
            margin-top: 8px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .announcements-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-secondary);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: 14px;
            transition: border-color var(--transition), box-shadow var(--transition);
            overflow: hidden;
        }
        .faq-item.active {
            border-color: rgba(0, 224, 184, 0.3);
            box-shadow: 0 4px 20px rgba(0, 224, 184, 0.08);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            width: 100%;
            background: none;
            border: none;
            color: var(--text-main);
            text-align: left;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-num {
            font-size: 14px;
            font-weight: 800;
            font-family: "Inter", monospace;
            color: var(--primary);
            width: 24px;
            text-align: center;
            flex-shrink: 0;
        }
        .faq-q-text {
            font-size: 16px;
            font-weight: 600;
            flex: 1;
        }
        .faq-arrow {
            width: 20px;
            height: 20px;
            color: var(--text-secondary);
            transition: transform var(--transition), color var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            display: none;
            padding: 0 24px 20px 64px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-sub);
            background: var(--bg-elevated);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }
        .faq-item.active .faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 16px;
            }
            .faq-answer {
                padding: 14px 16px 16px;
            }
            .faq-q-text {
                font-size: 15px;
            }
        }

        /* ===== Contact ===== */
        .contact-section {
            background: var(--bg-primary);
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }
        .contact-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 15, 26, 0.88);
        }
        .contact-section .container-wide {
            position: relative;
            z-index: 1;
        }
        .contact-card {
            max-width: 960px;
            margin: 0 auto;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-2);
            background-image: linear-gradient(rgba(255, 255, 255, 0.02), transparent);
        }
        .contact-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            text-align: center;
        }
        .contact-card .contact-sub {
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            margin-top: 8px;
            margin-bottom: 32px;
        }
        .contact-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group.full-width {
            grid-column: 1 / -1;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }
        .form-group input,
        .form-group select {
            height: 48px;
            border-radius: 10px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            color: var(--text-main);
            padding: 0 16px;
            font-size: 14px;
            transition: all var(--transition);
            width: 100%;
        }
        .form-group input:focus,
        .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.15);
        }
        .form-group input::placeholder {
            color: var(--text-secondary);
        }
        .form-group select {
            appearance: auto;
            cursor: pointer;
            color: var(--text-main);
        }
        .form-group select option {
            background: var(--bg-elevated);
            color: var(--text-main);
        }
        .submit-wrap {
            grid-column: 1 / -1;
            margin-top: 12px;
        }
        .submit-wrap .btn-primary {
            width: 100%;
            height: 48px;
            font-size: 16px;
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 48px 24px;
        }
        .form-success.active {
            display: block;
        }
        .form-success .success-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(0, 224, 184, 0.15);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .form-success h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
        }
        .form-success p {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .contact-card {
                padding: 24px;
            }
            .contact-form {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: auto;
            }
            .submit-wrap {
                grid-column: auto;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
        }
        .footer-top {
            padding: 60px 0 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand .logo-area {
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-top: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-sub);
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact .contact-line {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-sub);
        }
        .footer-contact .contact-line svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }
        .footer-bottom .container-wide {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .copyright {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-legal {
            display: flex;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-legal a {
            color: var(--text-secondary);
        }
        .footer-legal a:hover {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom .container-wide {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #0B0F1A;
            --bg-secondary: #111827;
            --bg-elevated: #1A2234;
            --primary: #00E0B8;
            --accent: #FFC53D;
            --tertiary: #A78BFA;
            --text-primary: #E5E7EB;
            --text-secondary: #9CA3AF;
            --text-invert: #0B0F1A;
            --border: rgba(255, 255, 255, 0.08);
            --radius: 16px;
            --shadow-sm: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        input {
            font-family: inherit;
        }

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

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 15, 26, 0.85);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 48px;
        }

        .header-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 44px;
            gap: 24px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .logo-area svg {
            width: 20px;
            height: 20px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .icon-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: border-color .2s, color .2s;
        }

        .icon-btn:hover {
            border-color: rgba(0, 224, 184, 0.4);
            color: var(--primary);
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 100%;
        }

        .main-nav a {
            position: relative;
            font-size: 14px;
            color: var(--text-secondary);
            height: 44px;
            line-height: 44px;
            font-weight: 500;
            letter-spacing: .3px;
            transition: color .2s ease;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform .2s ease;
        }

        .main-nav a:hover {
            color: var(--text-primary);
        }

        .main-nav a.active {
            color: var(--primary);
        }

        .main-nav a.active::after {
            transform: scaleX(1);
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search input {
            width: 180px;
            height: 32px;
            border-radius: 100px;
            border: 1px solid var(--border);
            background: var(--bg-elevated);
            padding: 0 16px;
            font-size: 13px;
            color: var(--text-primary);
            outline: none;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .header-search input::placeholder {
            color: var(--text-secondary);
        }

        .header-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.2);
        }

        .hot-tags {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hot-tags a {
            font-size: 12px;
            color: var(--primary);
            border: 1px solid rgba(0, 224, 184, 0.3);
            padding: 2px 10px;
            border-radius: 100px;
            transition: background .2s, color .2s;
            white-space: nowrap;
        }

        .hot-tags a:hover {
            background: rgba(0, 224, 184, 0.1);
        }

        .nav-toggle {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--text-primary);
        }

        .nav-toggle svg {
            width: 18px;
            height: 18px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 10px;
            padding: 10px 24px;
            transition: all .2s ease;
            border: 1px solid transparent;
            white-space: nowrap;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-invert);
        }

        .btn-primary:hover {
            background: #00F5CC;
            box-shadow: 0 4px 20px rgba(0, 224, 184, 0.3);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--text-invert);
        }

        .btn-accent:hover {
            background: #FFD35C;
            box-shadow: 0 4px 20px rgba(255, 197, 61, 0.3);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(0, 224, 184, 0.5);
            color: var(--primary);
        }

        .btn-ghost:hover {
            background: rgba(0, 224, 184, 0.1);
        }

        .btn-sm {
            padding: 6px 18px;
            font-size: 13px;
            border-radius: 8px;
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 40px 0 0;
        }

        .article-layout {
            max-width: 800px;
            margin: 0 auto;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb span {
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }

        .article-header {
            margin-bottom: 32px;
        }

        .article-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .meta-category {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            border-radius: 4px;
            background: rgba(0, 224, 184, 0.2);
            color: var(--primary);
            font-weight: 500;
            font-size: 12px;
        }

        .meta-date,
        .meta-views {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-body {
            margin-bottom: 48px;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-primary);
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content h2 {
            font-size: 22px;
            font-weight: 700;
            margin: 40px 0 16px;
            color: var(--text-primary);
        }

        .article-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 32px 0 12px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px;
            padding-left: 24px;
        }

        .article-content li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: var(--bg-secondary);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .article-content img {
            border-radius: 12px;
            margin: 24px 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 24px;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content th {
            background: var(--bg-elevated);
            font-weight: 600;
        }

        .article-pagination {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 48px;
        }

        .pagination-card {
            display: block;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            transition: border-color .2s, box-shadow .2s, transform .2s;
        }

        .pagination-card:hover {
            border-color: rgba(0, 224, 184, 0.4);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .pagination-label {
            display: block;
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 6px;
        }

        .pagination-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .pagination-card.next-post {
            text-align: right;
        }

        /* ===== Related ===== */
        .related-section {
            padding: 48px 0;
            border-top: 1px solid var(--border);
            background: var(--bg-secondary);
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 32px;
            line-height: 1.3;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: border-color .2s, box-shadow .2s, transform .2s;
        }

        .related-card:hover {
            border-color: rgba(0, 224, 184, 0.4);
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .related-card .related-thumb {
            width: 100%;
            height: 180px;
            object-fit: cover;
            overflow: hidden;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }

        .related-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .card-tag {
            align-self: flex-start;
            font-size: 12px;
            color: var(--primary);
            background: rgba(0, 224, 184, 0.2);
            padding: 2px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        .card-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .card-excerpt {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
        }

        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-container .section-title {
            text-align: center;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: var(--bg-secondary);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color .2s;
        }

        .faq-item.open {
            border-color: rgba(0, 224, 184, 0.3);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color .2s;
        }

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

        .faq-num {
            font-family: "Inter", "DIN Alternate", monospace;
            font-size: 14px;
            color: var(--primary);
            min-width: 24px;
        }

        .faq-arrow {
            margin-left: auto;
            width: 20px;
            height: 20px;
            transition: transform .2s ease;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }

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

        .faq-answer-inner {
            padding: 0 24px 20px 60px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 64px 0 80px;
        }

        .cta-banner {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            background-size: cover;
            background-position: center;
            padding: 64px 40px;
            text-align: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 15, 26, 0.92), rgba(11, 15, 26, 0.6));
        }

        .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-content h2 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .cta-content p {
            color: var(--text-secondary);
            margin-bottom: 24px;
            font-size: 15px;
        }

        /* ===== Not Found ===== */
        .article-not-found {
            padding: 120px 24px;
            text-align: center;
        }

        .article-not-found p {
            font-size: 18px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding-top: 56px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-area {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4,
        .footer-contact h4 {
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .footer-col a {
            font-size: 14px;
            color: var(--text-secondary);
        }

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

        .contact-line {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .contact-line svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
        }

        .footer-bottom .container-wide {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .security-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-size: 13px;
        }

        .security-badge svg {
            width: 16px;
            height: 16px;
        }

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

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

        @media (max-width: 768px) {
            .container-wide {
                padding: 0 16px;
            }

            .header-bottom {
                display: none;
                position: absolute;
                top: 48px;
                left: 0;
                right: 0;
                height: auto;
                flex-direction: column;
                align-items: stretch;
                background: var(--bg-primary);
                padding: 16px 24px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
            }

            .header-bottom.open {
                display: flex;
            }

            .main-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                height: auto;
            }

            .main-nav a {
                height: 40px;
                line-height: 40px;
                font-size: 15px;
            }

            .main-nav a::after {
                display: none;
            }

            .header-search {
                margin-top: 12px;
                flex-direction: column;
                align-items: stretch;
            }

            .header-search input {
                width: 100%;
            }

            .hot-tags {
                justify-content: flex-start;
            }

            .nav-toggle {
                display: flex;
            }

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

            .article-content {
                font-size: 16px;
            }

            .article-pagination {
                grid-template-columns: 1fr;
            }

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

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

            .cta-banner {
                padding: 40px 20px;
            }

            .cta-content h2 {
                font-size: 22px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
                gap: 12px;
            }

            .faq-answer-inner {
                padding: 0 18px 18px 44px;
            }
        }

        @media (max-width: 520px) {
            .logo-area {
                font-size: 14px;
            }

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

            .btn-sm {
                padding: 5px 14px;
                font-size: 12px;
            }

            .breadcrumb span {
                max-width: 140px;
            }

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

            .section-title {
                font-size: 20px;
            }

            .cta-section {
                padding: 48px 0 64px;
            }

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

/* roulang page: category1 */
:root {
            --bg-primary: #0B0F1A;
            --bg-secondary: #111827;
            --bg-elevated: #1A2234;
            --primary: #00E0B8;
            --accent: #FFC53D;
            --tertiary: #A78BFA;
            --text-primary: #E5E7EB;
            --text-secondary: #9CA3AF;
            --text-invert: #0B0F1A;
            --border: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(0, 224, 184, 0.4);
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --shadow-float: 0 8px 32px rgba(0, 0, 0, 0.5);
            --font-sans: "PingFang SC", "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);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover {
            color: #00F5CC;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container-wide {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container-wide {
                padding: 0 16px;
            }
        }

        /* === Header === */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 15, 26, 0.72);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
        }
        .header-top {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .header-top-inner {
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .logo-area {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            white-space: nowrap;
            letter-spacing: .2px;
        }
        .logo-area svg {
            color: var(--primary);
            flex-shrink: 0;
        }
        .logo-area:hover {
            color: var(--text-primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .icon-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            transition: all .2s ease;
        }
        .icon-btn:hover {
            color: var(--primary);
            border-color: var(--border-hover);
        }
        .menu-toggle {
            display: none;
        }

        /* === Nav === */
        .main-nav {
            position: relative;
            border-bottom: 1px solid transparent;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            gap: 2px;
            min-height: 44px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .nav-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: color .2s, background .2s;
        }
        .nav-link:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-search {
            margin-left: auto;
            display: flex;
            align-items: center;
            flex-shrink: 0;
        }
        .nav-search input {
            height: 32px;
            width: 150px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            border-radius: 8px 0 0 8px;
            padding: 0 12px;
            font-size: 13px;
            color: var(--text-primary);
            outline: none;
            transition: border-color .2s, width .2s;
        }
        .nav-search input:focus {
            border-color: var(--primary);
            width: 190px;
        }
        .nav-search input::placeholder {
            color: rgba(156, 163, 175, 0.6);
        }
        .nav-search button {
            height: 32px;
            background: rgba(0, 224, 184, 0.12);
            border: 1px solid rgba(0, 224, 184, 0.25);
            border-left: none;
            border-radius: 0 8px 8px 0;
            padding: 0 14px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            transition: background .2s;
        }
        .nav-search button:hover {
            background: rgba(0, 224, 184, 0.22);
        }
        .mobile-search {
            display: none;
        }

        /* === Buttons === */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            border: 1px solid transparent;
            transition: all .2s ease;
            text-align: center;
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
            border-radius: 12px;
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 13px;
            border-radius: 8px;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-invert);
        }
        .btn-primary:hover {
            background: #00F5CC;
            box-shadow: 0 6px 24px rgba(0, 224, 184, 0.3);
            transform: translateY(-2px);
            color: var(--text-invert);
        }
        .btn-outline {
            border-color: rgba(0, 224, 184, 0.4);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(0, 224, 184, 0.08);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-invert);
        }
        .btn-accent:hover {
            background: #FFD666;
            box-shadow: 0 6px 24px rgba(255, 197, 61, 0.3);
            transform: translateY(-2px);
            color: var(--text-invert);
        }
        .btn-ghost {
            border-color: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
            background: transparent;
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
        }

        /* === Hero === */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 88px 0 72px;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 15, 26, 0.94) 0%, rgba(11, 15, 26, 0.8) 50%, rgba(11, 15, 26, 0.55) 100%);
            z-index: 1;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 224, 184, 0.15) 0%, transparent 70%);
            z-index: 0;
        }
        .page-hero .container-wide {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: rgba(156, 163, 175, 0.5);
        }
        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: .5px;
            max-width: 640px;
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }
        .hero-title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 100%;
            height: 8px;
            background: rgba(0, 224, 184, 0.18);
            border-radius: 4px;
            z-index: -1;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 540px;
            margin-bottom: 28px;
        }
        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-stats {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
        }
        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .stat-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            font-family: "Inter", "DIN Alternate", var(--font-sans);
        }
        .stat-label {
            font-size: 12px;
            color: var(--text-secondary);
        }
        .hero-cover {
            border-radius: 16px;
            border: 1px solid rgba(0, 224, 184, 0.3);
            box-shadow: 0 0 40px rgba(0, 224, 184, 0.2);
            overflow: hidden;
            max-width: 480px;
        }
        .hero-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        /* === Section === */
        .section {
            padding: 88px 0;
        }
        .section-alt {
            background: var(--bg-secondary);
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            background: rgba(0, 224, 184, 0.1);
            border-radius: 6px;
            padding: 4px 12px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }
        .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-top: 12px;
        }

        /* === Cards === */
        .card {
            background: var(--bg-secondary);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all .2s ease;
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 224, 184, 0.4);
            box-shadow: var(--shadow-float);
        }
        .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-elevated);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .card:hover .card-cover img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 24px;
        }
        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(0, 224, 184, 0.1);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 12px;
        }
        .card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-desc {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            margin-top: 14px;
            transition: gap .2s;
        }
        .card-link:hover {
            gap: 10px;
            color: #00F5CC;
        }

        /* === Entry Layout === */
        .entry-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 24px;
        }
        .entry-main {
            background: var(--bg-secondary);
            border-radius: 18px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all .2s ease;
        }
        .entry-main:hover {
            border-color: rgba(0, 224, 184, 0.4);
            box-shadow: var(--shadow-float);
        }
        .entry-sub {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }
        .entry-sub-item {
            background: var(--bg-secondary);
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all .2s ease;
        }
        .entry-sub-item:hover {
            border-color: rgba(0, 224, 184, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .entry-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background: var(--bg-elevated);
        }
        .entry-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .entry-content {
            padding: 22px;
        }
        .entry-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .entry-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .entry-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: rgba(0, 224, 184, 0.1);
            border-radius: 4px;
            padding: 3px 10px;
            margin-bottom: 10px;
        }

        /* === Security === */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .security-card {
            background: var(--bg-secondary);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: all .2s ease;
            position: relative;
            overflow: hidden;
        }
        .security-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: 0;
            transition: opacity .2s;
        }
        .security-card:hover {
            border-color: rgba(0, 224, 184, 0.35);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .security-card:hover::before {
            opacity: 1;
        }
        .security-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: rgba(0, 224, 184, 0.12);
            color: var(--primary);
            margin-bottom: 16px;
        }
        .security-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .security-desc {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-secondary);
        }

        /* === Process === */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 10%;
            right: 10%;
            height: 1px;
            background: linear-gradient(90deg, rgba(0, 224, 184, 0.3), rgba(255, 197, 61, 0.3));
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }
        .process-num {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 80px;
            height: 80px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--bg-elevated);
            border: 2px solid var(--primary);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            font-family: "Inter", "DIN Alternate", var(--font-sans);
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 4px rgba(0, 224, 184, 0.1);
        }
        .process-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .process-desc {
            font-size: 13px;
            line-height: 1.65;
            color: var(--text-secondary);
            max-width: 220px;
            margin: 0 auto;
        }

        /* === FAQ === */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .2s;
        }
        .faq-item.active {
            border-color: rgba(0, 224, 184, 0.35);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            user-select: none;
        }
        .faq-index {
            font-family: "Inter", "DIN Alternate", var(--font-sans);
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(0, 224, 184, 0.08);
            border-radius: 8px;
            padding: 4px 10px;
            flex-shrink: 0;
        }
        .faq-text {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
        }
        .faq-arrow {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
            color: var(--text-secondary);
        }
        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            background: var(--bg-elevated);
        }
        .faq-answer-inner {
            padding: 0 22px 20px 62px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* === CTA === */
        .cta-section {
            position: relative;
            padding: 88px 0;
            background-size: cover;
            background-position: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 15, 26, 0.95) 0%, rgba(11, 15, 26, 0.85) 100%);
        }
        .cta-wrap {
            position: relative;
            z-index: 2;
            background: rgba(26, 34, 52, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 20px;
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            backdrop-filter: blur(6px);
            max-width: 1000px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .cta-form .full {
            grid-column: 1 / -1;
        }
        .form-input {
            height: 48px;
            border-radius: 10px;
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            padding: 0 16px;
            font-size: 14px;
            color: var(--text-primary);
            outline: none;
            transition: border-color .2s, box-shadow .2s;
            width: 100%;
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 224, 184, 0.18);
        }
        .form-input::placeholder {
            color: rgba(156, 163, 175, 0.5);
        }
        select.form-input {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239CA3AF' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }
        .cta-submit {
            grid-column: 1 / -1;
        }
        .form-success {
            display: none;
            text-align: center;
            padding: 20px;
            background: rgba(0, 224, 184, 0.08);
            border-radius: 12px;
            border: 1px solid rgba(0, 224, 184, 0.2);
            color: var(--primary);
            font-size: 15px;
            font-weight: 500;
            margin-top: 10px;
        }
        .form-success.show {
            display: block;
        }

        /* === Footer === */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-top: 16px;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-col ul a:hover {
            color: var(--primary);
        }
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .contact-line {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }
        .contact-line svg {
            color: var(--primary);
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-copy {
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-safe {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .footer-safe svg {
            color: var(--primary);
        }

        /* === Responsive === */
        @media (max-width: 1024px) {
            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                row-gap: 40px;
            }
            .process-grid::before {
                display: none;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .entry-sub {
                grid-template-rows: none;
                grid-template-columns: 1fr 1fr;
            }
            .cta-wrap {
                grid-template-columns: 1fr;
                padding: 36px;
            }
            .hero-title {
                font-size: 34px;
            }
        }
        @media (max-width: 768px) {
            .header-top-inner {
                height: 52px;
            }
            .menu-toggle {
                display: flex;
            }
            .main-nav {
                position: fixed;
                top: 52px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 26, 0.95);
                backdrop-filter: blur(12px);
                border-bottom: 1px solid var(--border);
                transform: translateY(-120%);
                transition: transform .3s ease;
                z-index: 49;
                padding: 12px 16px;
            }
            .main-nav.open {
                transform: translateY(0);
            }
            .nav-inner {
                flex-direction: column;
                align-items: stretch;
                overflow: visible;
                gap: 4px;
                min-height: 0;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .mobile-search {
                display: flex;
                gap: 8px;
                margin-top: 10px;
                padding-top: 10px;
                border-top: 1px solid var(--border);
            }
            .mobile-search input {
                flex: 1;
                height: 38px;
                border-radius: 8px;
                background: var(--bg-elevated);
                border: 1px solid var(--border);
                padding: 0 14px;
                color: var(--text-primary);
                outline: none;
                font-size: 14px;
            }
            .mobile-search button {
                padding: 0 16px;
                border-radius: 8px;
                background: rgba(0, 224, 184, 0.15);
                color: var(--primary);
                font-size: 13px;
            }
            .page-hero {
                padding: 56px 0 48px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stats .stat-num {
                font-size: 22px;
            }
            .entry-sub {
                grid-template-columns: 1fr;
            }
            .security-grid {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-form .full {
                grid-column: 1;
            }
            .cta-submit {
                grid-column: 1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-wrap {
                padding: 24px;
            }
            .hero-cta .btn {
                width: 100%;
            }
            .header-actions .btn-ghost {
                display: none;
            }
            .logo-area {
                font-size: 14px;
            }
        }