/* roulang page: index */
:root {
            --bg-deep: #070D1B;
            --bg-panel: #0C1428;
            --glass-bg: rgba(17, 25, 45, 0.55);
            --border-soft: rgba(148, 163, 184, 0.14);
            --primary: #3D8CFF;
            --aqua: #5CE1E6;
            --success: #3DDC97;
            --warn: #FFB020;
            --text-main: #EAF0FA;
            --text-sub: #A9B7CF;
            --text-dim: #6C7A93;
            --radius-lg: 22px;
            --radius-md: 14px;
            --radius-sm: 9px;
            --shadow-card: 0 12px 42px rgba(0, 0, 0, 0.35);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button, input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-gap {
            padding: 88px 0;
        }
        @media (max-width: 768px) {
            .section-gap {
                padding: 56px 0;
            }
        }
        h1 {
            font-size: clamp(28px, 4vw, 48px);
            font-weight: 800;
            line-height: 1.2;
        }
        h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            h2 {
                font-size: 21px;
            }
        }
        h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
        }

        /* ---------- Glass Card ---------- */
        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
        }
        .solid-card {
            background: linear-gradient(145deg, #101A30 0%, #0B1424 100%);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            position: relative;
            border-radius: 20px;
        }
        .solid-card:hover {
            border-color: rgba(93, 138, 201, 0.45);
            box-shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
            transform: translateY(-2px);
            transition: all 0.35s ease;
        }

        /* ---------- Buttons ---------- */
        .btn-gradient {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, #3D8CFF 0%, #5CE1E6 100%);
            color: #04122B;
            font-weight: 700;
            border-radius: 12px;
            padding: 14px 30px;
            font-size: 16px;
            border: none;
            cursor: pointer;
            min-height: 48px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(61, 140, 255, 0.28);
            letter-spacing: 0.02em;
        }
        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(75, 200, 240, 0.4);
            filter: brightness(1.04);
        }
        .btn-gradient:focus-visible {
            outline: 2px solid #fff;
            outline-offset: 3px;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-main);
            border: 1px solid rgba(148, 163, 184, 0.4);
            border-radius: 12px;
            padding: 13px 30px;
            font-size: 16px;
            font-weight: 500;
            min-height: 48px;
            transition: all 0.3s ease;
            cursor: pointer;
        }
        .btn-ghost:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(61, 140, 255, 0.08);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid var(--aqua);
            outline-offset: 3px;
        }

        /* ---------- Pill Tag ---------- */
        .pill-badge {
            display: inline-block;
            padding: 4px 15px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.02em;
            border: 1px solid rgba(92, 225, 230, 0.3);
            background: rgba(92, 225, 230, 0.08);
            color: var(--aqua);
        }
        .pill-badge-blue {
            border-color: rgba(61, 140, 255, 0.4);
            background: rgba(61, 140, 255, 0.14);
            color: #9CC0FF;
        }
        .pill-badge-warn {
            border-color: rgba(255, 176, 32, 0.3);
            background: rgba(255, 176, 32, 0.1);
            color: #FFC864;
        }
        .pill-badge-success {
            border-color: rgba(61, 220, 151, 0.3);
            background: rgba(61, 220, 151, 0.1);
            color: var(--success);
        }

        /* ---------- header Nav ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 13, 27, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 56px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-mark {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--aqua) 100%);
            color: #070D1B;
            font-weight: 900;
            font-size: 16px;
            letter-spacing: -0.5px;
        }
        .logo-text {
            font-size: 19px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: #0F1A30;
            border: 1px solid rgba(148, 163, 184, 0.2);
            border-radius: 24px;
            height: 36px;
            width: 290px;
            padding: 0 6px 0 14px;
            transition: all .3s;
        }
        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(61, 140, 255, 0.17);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: #5A6B85;
        }
        .header-search button {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--aqua));
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #04122B;
            cursor: pointer;
            flex-shrink: 0;
            font-size: 13px;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-link {
            color: var(--text-sub);
            font-size: 14px;
            transition: color .2s;
        }
        .header-link:hover {
            color: #fff;
        }
        .header-btn-sm {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(61, 140, 255, 0.15);
            border: 1px solid rgba(61, 140, 255, 0.3);
            border-radius: 8px;
            color: #CDE2FF;
            height: 34px;
            padding: 0 16px;
            font-size: 14px;
            font-weight: 500;
            transition: all .25s;
        }
        .header-btn-sm:hover {
            background: rgba(61, 140, 255, 0.28);
            border-color: rgba(61, 140, 255, 0.6);
        }

        /* nav row */
        .nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 46px;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: 46px;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-sub);
            transition: background .25s, color .25s;
            position: relative;
            min-height: 34px;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(61, 140, 255, 0.1);
        }
        .nav-link.active {
            color: #fff;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), var(--aqua));
        }
        .hot-entries {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-dim);
            white-space: nowrap;
        }
        .hot-entry {
            padding: 3px 10px;
            border-radius: 6px;
            background: rgba(148, 163, 184, 0.08);
            color: #8299B8;
            font-size: 12px;
            border: 1px solid transparent;
            transition: all .25s;
        }
        .hot-entry:hover {
            border-color: var(--border-soft);
            color: var(--aqua);
        }
        @media (max-width: 1024px) {
            .header-search {
                width: 170px;
            }
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .nav-row {
                display: none;
            }
        }
        /* mobile nav */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: 1px solid rgba(148, 163, 184, 0.2);
            border-radius: 8px;
            color: var(--text-sub);
            width: 38px;
            height: 34px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: flex;
            }
        }
        .mobile-nav-panel {
            display: none;
            background: var(--bg-panel);
            border-top: 1px solid var(--border-soft);
            padding: 12px 0 18px;
        }
        .mobile-nav-panel.open {
            display: block;
        }
        .mobile-nav-panel a {
            display: block;
            padding: 12px 24px;
            font-size: 16px;
            color: var(--text-sub);
            border-bottom: 1px solid rgba(148, 163, 184, 0.06);
        }
        .mobile-nav-panel a.active {
            color: var(--aqua);
        }
        .mobile-nav-panel .hot-entry {
            margin: 8px 24px;
            display: inline-block;
        }

        /* hero */
        .hero-section {
            min-height: 80vh;
            display: flex;
            align-items: center;
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat, #070D1B;
            padding: 100px 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 13, 27, 0.95) 10%, rgba(7, 13, 27, 0.7) 60%, rgba(7, 13, 27, 0.35) 100%);
        }
        .hero-inner {
            position: relative;
            z-index: 5;
            max-width: 720px;
        }
        .hero-subtitle {
            max-width: 590px;
            line-height: 1.8;
            color: #C2CEE2;
        }
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 36px;
            margin-top: 30px;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
        }
        .hero-data-num {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            font-family: 'PingFang SC', sans-serif;
        }
        .hero-data-label {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 2px;
        }

        /* section header */
        .sec-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 44px;
            gap: 24px;
        }
        .sec-header .lead {
            color: var(--text-dim);
            font-size: 15px;
            max-width: 560px;
            margin-top: 10px;
            line-height: 1.7;
        }
        .sec-header .anchor {
            font-size: 14px;
            color: var(--primary);
            white-space: nowrap;
        }

        /* step */
        .step-wrap {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .step-item {
            display: flex;
            gap: 20px;
            padding: 22px 10px 22px 0;
            border-bottom: 1px dashed rgba(148, 163, 184, 0.14);
        }
        .step-num {
            font-size: 32px;
            font-weight: 800;
            font-style: normal;
            background: linear-gradient(145deg, var(--primary), var(--aqua));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            min-width: 65px;
        }
        .step-item h3 {
            margin-bottom: 4px;
        }
        .step-item p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
        }
        .step-side {
            position: relative;
        }
        .coach-panel {
            background: linear-gradient(135deg, #0A1325 0%, #0C1A33 100%);
            border: 1px solid rgba(61, 140, 255, 0.3);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            position: relative;
            overflow: hidden;
        }
        .coach-panel::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 150px;
            height: 150px;
            background: radial-gradient(circle, rgba(61, 140, 255, 0.2) 0%, transparent 70%);
        }
        .coach-panel ul {
            list-style: none;
            margin-top: 18px;
        }
        .coach-panel li {
            padding: 9px 0;
            display: flex;
            gap: 10px;
            color: var(--text-sub);
            font-size: 15px;
            align-items: center;
        }
        .coach-panel li .tick {
            color: var(--success);
            font-size: 14px;
        }

        /* reward cards */
        .reward-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 24px;
        }
        .reward-card {
            background: linear-gradient(145deg, #0F1930, #0A1120);
            border: 1px solid var(--border-soft);
            border-radius: 20px;
            padding: 26px 24px;
            transition: all .3s;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            min-height: 174px;
        }
        .reward-card:hover {
            border-color: rgba(92, 225, 230, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
        }
        .reward-card.main {
            border: 1px solid rgba(61, 140, 255, 0.35);
            background: linear-gradient(135deg, rgba(61, 140, 255, 0.13), rgba(11, 18, 34, 1) 55%);
        }
        .reward-main-badge {
            display: inline-block;
            width: fit-content;
        }
        .reward-name {
            font-size: 18px;
            font-weight: 700;
            margin: 12px 0 6px;
        }
        .reward-desc {
            font-size: 13px;
            color: var(--text-sub);
        }
        .reward-cond {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: auto;
            padding-top: 12px;
        }
        .reward-status {
            position: absolute;
            top: 18px;
            right: 18px;
        }

        /* progress */
        .progress-area {
            background: linear-gradient(145deg, #0A1326, #070D1B);
            border: 1px solid var(--border-soft);
            border-radius: 24px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 260px;
            gap: 48px;
        }
        .stage-row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            position: relative;
        }
        .stage-row::before {
            content: '';
            position: absolute;
            top: 16px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: rgba(148, 163, 184, 0.18);
        }
        .stage-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            width: 25%;
            position: relative;
            z-index: 2;
        }
        .stage-dot {
            width: 33px;
            height: 33px;
            border-radius: 50%;
            background: #1D2A44;
            border: 2px solid #3E4D68;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-sub);
        }
        .stage-item.done .stage-dot {
            background: rgba(61, 220, 151, 0.2);
            border-color: var(--success);
            color: var(--success);
        }
        .stage-item.current .stage-dot {
            background: rgba(61, 140, 255, 0.2);
            border-color: var(--primary);
            box-shadow: 0 0 18px rgba(61, 140, 255, 0.5);
            color: #fff;
        }
        .stage-item.done .stage-dot::after {
            content: '✓';
            font-weight: 900;
            font-size: 15px;
        }
        .stage-item.current .stage-dot::after {
            content: '2';
            font-weight: 900;
            font-size: 14px;
        }
        .stage-label {
            font-size: 13px;
            margin-top: 10px;
            text-align: center;
            color: var(--text-sub);
        }
        .stage-item.current .stage-label {
            color: #fff;
            font-weight: 600;
        }
        .progress-side {
            background: #0C1428;
            border-radius: 20px;
            border: 1px solid var(--border-soft);
            padding: 24px;
        }
        .progress-bar-bg {
            height: 8px;
            background: #19233B;
            border-radius: 99px;
            overflow: hidden;
            margin: 14px 0;
        }
        .progress-bar-fill {
            height: 100%;
            width: 66%;
            background: linear-gradient(90deg, var(--primary), var(--aqua));
            border-radius: 99px;
            box-shadow: 0 0 14px rgba(61, 140, 255, 0.5);
        }
        @media (max-width: 1024px) {
            .progress-area {
                grid-template-columns: 1fr;
            }
            .reward-grid {
                grid-template-columns: 1fr 1fr;
            }
            .reward-card.main {
                grid-column: 1 / -1;
                min-height: 160px;
            }
        }
        @media (max-width: 768px) {
            .step-wrap {
                grid-template-columns: 1fr;
            }
            .reward-grid {
                grid-template-columns: 1fr;
            }
            .progress-area {
                padding: 28px 18px;
            }
            .stage-row {
                gap: 4px;
            }
            .stage-label {
                font-size: 12px;
            }
        }

        /* info posts */
        .posts-layout {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 28px;
        }
        .post-card-featured {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-soft);
            min-height: 350px;
            display: flex;
            align-items: flex-end;
            background: #0B1424;
        }
        .featured-img {
            position: absolute;
            inset: 0;
            background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
            filter: brightness(0.7);
        }
        .featured-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(7, 13, 27, 0.97) 0%, rgba(7, 13, 27, 0.55) 60%, transparent 100%);
        }
        .featured-body {
            position: relative;
            z-index: 2;
            padding: 24px;
            flex: 1;
        }
        .post-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .post-list-item {
            display: flex;
            gap: 14px;
            padding: 14px 8px;
            border-radius: 14px;
            transition: all .25s;
            border-bottom: 1px solid rgba(148, 163, 184, 0.07);
        }
        .post-list-item:hover {
            background: rgba(61, 140, 255, 0.06);
            transform: translateX(4px);
        }
        .post-list-content {
            flex: 1;
            min-width: 0;
        }
        .post-list-title {
            font-size: 15px;
            font-weight: 600;
            color: #EAF0FA;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            display: block;
            text-overflow: ellipsis;
        }
        .post-list-sub {
            font-size: 13px;
            color: var(--text-dim);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-list-meta {
            font-size: 12px;
            color: #4D5B75;
            display: flex;
            gap: 10px;
            margin-top: 4px;
            white-space: nowrap;
        }
        .post-list-date {
            color: var(--text-dim);
        }
        @media (max-width: 900px) {
            .posts-layout {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-container {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        }
        .faq-q {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 22px 0;
            font-weight: 600;
            color: var(--text-main);
            font-size: 16px;
            cursor: pointer;
            gap: 20px;
            transition: color .2s;
        }
        .faq-q:hover {
            color: #fff;
        }
        .faq-q .arrow-icon {
            transition: transform 0.3s;
            font-size: 16px;
            color: var(--aqua);
        }
        .faq-item.open .arrow-icon {
            transform: rotate(90deg);
        }
        .faq-item.open .faq-q {
            color: #fff;
        }
        .faq-a {
            display: none;
            padding: 0 30px 20px 0;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-zone {
            background: linear-gradient(135deg, #0A1326 0%, #0E1D38 55%, #071129 100%);
            border: 1px solid rgba(61, 140, 255, 0.27);
            border-radius: 24px;
            padding: 54px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-zone::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 230px;
            height: 230px;
            background: radial-gradient(circle, rgba(92, 225, 230, 0.15), transparent 70%);
        }
        .cta-grid {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-tagline {
            color: var(--text-sub);
            font-size: 14px;
        }
        @media (max-width: 768px) {
            .cta-zone {
                padding: 32px 20px;
            }
        }

        /* Footer */
        .site-footer {
            border-top: 1px solid var(--border-soft);
            background: #060A15;
            padding: 48px 0 0;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 35px;
        }
        .footer-brand-line {
            color: var(--text-sub);
            font-size: 14px;
            max-width: 260px;
            margin-top: 14px;
        }
        .footer-title {
            font-size: 15px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links li a {
            color: var(--text-sub);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-links li a:hover {
            color: var(--aqua);
        }
        .footer-copyright {
            border-top: 1px solid rgba(148, 163, 184, 0.09);
            padding: 18px 0;
            color: var(--text-dim);
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-section {
                min-height: 70vh;
                padding: 65px 0;
            }
            .sec-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        .crypto-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(61, 220, 151, 0.1);
            color: var(--success);
            padding: 3px 10px;
            border-radius: 6px;
            font-size: 12px;
        }

/* roulang page: article */
:root{
            --bg-page:#070D1B;
            --bg-panel:#0C1428;
            --glass-bg:rgba(17,25,45,.55);
            --line-card:rgba(148,163,184,.14);
            --brand:#3D8CFF;
            --aqua:#5CE1E6;
            --success:#3DDC97;
            --warning:#FFB020;
            --danger:#FF6B6B;
            --text-main:#EAF0FA;
            --text-sub:#A9B7CF;
            --text-weak:#6C7A93;
            --radius-lg:22px;
            --radius-md:14px;
            --radius-sm:10px;
            --shadow-card:0 24px 60px rgba(0,0,0,.32)
        }

        *{box-sizing:border-box}
        html,body{padding:0;margin:0}
        body{
            background:var(--bg-page);
            color:var(--text-main);
            font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
            line-height:1.85;
            letter-spacing:.01em;
            -webkit-font-smoothing:antialiased
        }
        a{color:inherit;text-decoration:none}
        img{max-width:100%;height:auto;display:block}
        button{font-family:inherit}
        input,textarea{font-family:inherit}

        .container-custom{
            width:100%;
            max-width:1240px;
            margin-left:auto;
            margin-right:auto;
            padding-left:20px;
            padding-right:20px
        }

        .site-header{
            position:sticky;
            top:0;
            z-index:80;
            background:rgba(7,13,27,.78);
            backdrop-filter:blur(18px);
            -webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(148,163,184,.1)
        }
        .header-top-row{
            display:flex;
            align-items:center;
            gap:24px;
            height:64px
        }
        .logo-area{
            display:flex;
            align-items:center;
            gap:10px;
            flex-shrink:0
        }
        .logo-mark{
            width:36px;height:36px;
            display:inline-flex;align-items:center;justify-content:center;
            background:linear-gradient(135deg,#3D8CFF,#5CE1E6);
            color:#fff;font-weight:900;font-size:20px;
            border-radius:10px
        }
        .logo-text{
            font-size:20px;font-weight:800;color:#fff;white-space:nowrap
        }
        .header-search{
            flex:1;
            display:flex;
            align-items:center;
            max-width:440px;
            margin-left:auto;
            background:rgba(255,255,255,.06);
            border:1px solid rgba(148,163,184,.18);
            border-radius:999px;
            overflow:hidden;
            transition:border-color .25s,box-shadow .25s
        }
        .header-search:focus-within{
            border-color:rgba(61,140,255,.6);
            box-shadow:0 0 0 3px rgba(61,140,255,.18)
        }
        .header-search input{
            flex:1;
            background:transparent;
            border:0;
            outline:none;
            color:#fff;
            font-size:14px;
            height:40px;
            padding:0 18px;
            min-width:0
        }
        .header-search input::placeholder{color:#6C7A93}
        .header-search button{
            width:48px;height:40px;
            background:transparent;
            border:0;border-left:1px solid rgba(148,163,184,.1);
            font-size:20px;
            color:#A9B7CF;
            cursor:pointer;
            display:flex;align-items:center;justify-content:center
        }
        .header-search button:hover{color:#5CE1E6}
        .header-actions{
            display:flex;align-items:center;gap:12px;flex-shrink:0
        }
        .header-link{
            font-size:14px;color:#A9B7CF;transition:color .2s
        }
        .header-link:hover{color:#fff}
        .header-btn-sm{
            font-size:14px;font-weight:600;
            padding:8px 16px;
            border-radius:999px;
            background:linear-gradient(135deg,#3D8CFF,#5CE1E6);
            color:#0B1424;
            transition:transform .2s,box-shadow .2s
        }
        .header-btn-sm:hover{
            transform:translateY(-1px);
            box-shadow:0 8px 24px rgba(61,140,255,.35)
        }
        .mobile-menu-btn{
            width:40px;height:40px;
            display:inline-flex;align-items:center;justify-content:center;
            background:rgba(255,255,255,.05);
            border:1px solid rgba(148,163,184,.16);
            border-radius:10px;
            cursor:pointer
        }

        .nav-row{
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:20px;
            height:46px
        }
        .nav-links{
            display:flex;
            align-items:center;
            gap:4px
        }
        .nav-link{
            display:inline-flex;
            align-items:center;
            height:40px;
            padding:0 16px;
            font-size:15px;
            font-weight:500;
            color:#A9B7CF;
            border-radius:10px;
            transition:background .2s,color .2s
        }
        .nav-link:hover{
            color:#fff;
            background:rgba(255,255,255,.05)
        }
        .nav-link.active{
            color:#fff;
            background:rgba(61,140,255,.14);
            box-shadow:inset 0 0 0 1px rgba(61,140,255,.22)
        }
        .hot-entries{
            align-items:center;
            gap:14px;
            font-size:13px;
            color:#6C7A93;
            white-space:nowrap
        }
        .hot-entry{
            color:#A9B7CF;
            transition:color .2s
        }
        .hot-entry:hover{color:#5CE1E6}

        .mobile-nav-panel{
            display:none;
            padding:14px 20px 20px;
            border-top:1px solid rgba(148,163,184,.1)
        }
        .mobile-nav-panel a{
            display:block;
            padding:13px 12px;
            font-size:15px;
            border-radius:10px;
            color:#EAF0FA
        }
        .mobile-nav-panel a.active{
            background:rgba(61,140,255,.14);
            color:#5CE1E6
        }
        .mobile-nav-panel .hot-entry{
            padding:8px 12px;
            color:#A9B7CF
        }

        .btn-primary{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:48px;
            padding:0 28px;
            border-radius:12px;
            background:linear-gradient(135deg,#3D8CFF,#5CE1E6);
            color:#0B1424;
            font-weight:700;
            border:0;
            font-size:15px;
            cursor:pointer;
            text-align:center;
            transition:transform .2s,box-shadow .2s,filter .2s
        }
        .btn-primary:hover{
            transform:translateY(-2px);
            box-shadow:0 14px 36px rgba(61,140,255,.35);
            filter:brightness(1.05)
        }
        .btn-primary:focus-visible,.btn-ghost:focus-visible{
            outline:2px solid #5CE1E6;
            outline-offset:3px
        }
        .btn-ghost{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            min-height:48px;
            padding:0 26px;
            border-radius:12px;
            background:rgba(255,255,255,.03);
            border:1px solid rgba(148,163,184,.25);
            color:#EAF0FA;
            font-size:15px;
            font-weight:600;
            cursor:pointer;
            transition:all .2s
        }
        .btn-ghost:hover{
            border-color:rgba(92,225,230,.5);
            transform:translateY(-2px)
        }

        .article-hero{
            position:relative;
            min-height:300px;
            padding:64px 0 58px;
            background-color:#0C1428;
            background-image:linear-gradient(90deg,rgba(7,13,27,.82),rgba(12,20,40,.64)),url("/assets/images/backpic/back-1.png");
            background-size:cover;
            background-position:center;
            border-bottom:1px solid rgba(148,163,184,.1)
        }
        .breadcrumb{
            font-size:13px;
            color:#6C7A93;
            margin-bottom:18px;
            display:flex;
            align-items:center;
            gap:8px;
            flex-wrap:wrap
        }
        .breadcrumb a{
            color:#A9B7CF;
            transition:color .2s
        }
        .breadcrumb a:hover{color:#5CE1E6}
        .breadcrumb .sep{color:#3D4A63}
        .post-cat-badge{
            display:inline-flex;
            align-items:center;
            gap:6px;
            padding:6px 14px;
            background:rgba(61,140,255,.15);
            border:1px solid rgba(61,140,255,.3);
            color:#9CC3FF;
            font-size:13px;
            border-radius:999px;
            margin-bottom:18px
        }
        .post-title{
            max-width:900px;
            margin:0 0 22px;
            font-size:clamp(28px,3.6vw,40px);
            font-weight:800;
            line-height:1.25
        }
        .post-meta{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:18px;
            color:#6C7A93;
            font-size:13px
        }
        .post-meta .source{
            color:#A9B7CF
        }
        .meta-dot{
            width:3px;height:3px;border-radius:50%;
            background:#3D4A63
        }

        .post-content-wrap{
            padding:52px 0 76px;
            background:
                radial-gradient(circle at 82% 8%,rgba(61,140,255,.08),transparent 26%),
                var(--bg-page)
        }
        .post-main-grid{
            display:grid;
            grid-template-columns:minmax(0,1fr) 312px;
            gap:48px
        }
        .article-article{
            min-width:0
        }
        .article-glass{
            background:var(--glass-bg);
            border:1px solid var(--line-card);
            border-radius:22px;
            padding:44px 48px 36px;
            backdrop-filter:blur(10px);
            -webkit-backdrop-filter:blur(10px)
        }
        .post-updated{
            font-size:13px;
            color:#6C7A93;
            display:flex;
            align-items:center;
            gap:8px;
            padding-bottom:20px;
            margin-bottom:34px;
            border-bottom:1px solid rgba(148,163,184,.1)
        }
        .post-updated svg{width:15px;height:15px}

        .article-body{
            font-size:16px;
            line-height:1.9;
            color:#D9E2F2;
            overflow-wrap:break-word
        }
        .article-body p{
            margin:0 0 1.5em
        }
        .article-body h2{
            font-size:23px;
            font-weight:800;
            margin:1.9em 0 .8em;
            color:#fff;
            line-height:1.4
        }
        .article-body h3{
            font-size:19px;
            font-weight:700;
            margin:1.6em 0 .7em;
            color:#EAF0FA;
            line-height:1.45
        }
        .article-body h4{
            font-size:16px;
            font-weight:700;
            margin:1.4em 0 .6em;
            color:#EAF0FA
        }
        .article-body ul,.article-body ol{
            margin:0 0 1.6em;
            padding-left:1.4em
        }
        .article-body li{
            margin-bottom:.5em
        }
        .article-body blockquote{
            margin:1.8em 0;
            padding:16px 22px;
            border-left:3px solid var(--brand);
            background:rgba(61,140,255,.08);
            border-radius:0 12px 12px 0;
            color:#C7D4E6
        }
        .article-body img{
            border-radius:16px;
            margin:1.6em 0
        }
        .article-body figure{
            margin:1.8em 0
        }
        .article-body figcaption{
            text-align:center;
            color:#6C7A93;
            font-size:13px;
            margin-top:.6em
        }
        .side-card-title{
            font-size:14px;
            font-weight:600;
            color:#A9B7CF;
            letter-spacing:.04em;
            margin-bottom:16px;
            display:flex;
            align-items:center;
            gap:8px
        }
        .side-card-title:before{
            content:"";
            width:3px;height:14px;
            border-radius:2px;
            background:linear-gradient(180deg,#3D8CFF,#5CE1E6)
        }
        .related-side{
            background:rgba(17,25,45,.5);
            border:1px solid rgba(148,163,184,.12);
            border-radius:18px;
            padding:22px 20px;
            margin-bottom:22px
        }
        .related-side-item{
            display:block;
            padding:12px 0;
            border-bottom:1px solid rgba(148,163,184,.08);
            transition:transform .2s
        }
        .related-side-item:last-child{border-bottom:0}
        .related-side-item:hover .related-side-title{color:#5CE1E6}
        .related-side-title{
            font-size:14px;
            line-height:1.5;
            color:#D9E2F2;
            transition:color .2s;
            margin-bottom:5px
        }
        .related-side-meta{
            font-size:12px;color:#5E6D88
        }
        .cover-mini-card{
            position:relative;
            overflow:hidden;
            border-radius:18px;
            margin-bottom:22px;
            border:1px solid rgba(148,163,184,.16)
        }
        .cover-mini-card img{
            width:100%;
            height:140px;
            object-fit:cover
        }
        .cover-mini-card .cover-shadow{
            position:absolute;
            inset:0;
            background:linear-gradient(180deg,transparent,rgba(7,13,27,.9))
        }
        .cover-mini-card .caption{
            position:absolute;
            left:16px;right:16px;
            bottom:14px;
            z-index:2;
            font-size:15px;
            font-weight:700;
            color:#fff;
            line-height:1.4
        }
        .side-tags{
            display:flex;
            flex-wrap:wrap;
            gap:8px
        }
        .side-tag{
            font-size:13px;
            color:#A9B7CF;
            background:rgba(255,255,255,.04);
            border:1px solid rgba(148,163,184,.12);
            padding:6px 13px;
            border-radius:999px;
            transition:all .2s
        }
        .side-tag:hover{
            color:#fff;
            border-color:#3D8CFF;
            background:rgba(61,140,255,.12)
        }

        .article-footer{
            margin-top:36px
        }
        .post-tags{
            display:flex;
            flex-wrap:wrap;
            align-items:center;
            gap:8px;
            margin-bottom:24px
        }
        .post-tags .label{
            font-size:13px;
            color:#6C7A93
        }
        .post-taggable{
            display:inline-block;
            font-size:13px;
            padding:6px 14px;
            border-radius:999px;
            background:rgba(61,140,255,.1);
            border:1px solid rgba(61,140,255,.2);
            color:#9CC3FF;
            transition:border .2s,color .2s
        }
        .post-taggable:hover{
            border-color:rgba(92,225,230,.45);
            color:#5CE1E6
        }
        .post-back-row{
            display:flex;
            flex-wrap:wrap;
            gap:12px;
            align-items:center
        }
        .soft-back-link{
            display:inline-flex;
            align-items:center;
            gap:6px;
            font-size:14px;
            color:#A9B7CF;
            border:1px solid transparent;
            padding:8px 14px;
            border-radius:10px;
            transition:all .2s
        }
        .soft-back-link:hover{
            color:#5CE1E6;
            background:rgba(92,225,230,.06)
        }

        .empty-state{
            max-width:680px;
            margin:80px auto;
            background:rgba(17,25,45,.55);
            border:1px solid rgba(148,163,184,.14);
            padding:70px 24px;
            border-radius:22px;
            text-align:center;
            backdrop-filter:blur(12px)
        }
        .empty-icon{
            width:58px;height:58px;
            border-radius:50%;
            background:rgba(92,225,230,.1);
            border:1px solid rgba(92,225,230,.3);
            display:flex;align-items:center;justify-content:center;
            margin:0 auto 18px;
            color:#5CE1E6;
            font-size:27px;
            line-height:1
        }
        .empty-h1{
            font-size:24px;
            font-weight:800;
            color:#EAF0FA;
            margin:0 0 10px
        }
        .empty-hint{
            font-size:14px;
            color:#6C7A93;
            margin-bottom:28px
        }

        .site-footer{
            margin-top:0;
            background:#081020;
            border-top:1px solid rgba(148,163,184,.08);
            padding:56px 0 28px;
            width:100%
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.4fr 1fr 1fr 1fr;
            gap:42px;
            margin-bottom:40px
        }
        .footer-title{
            font-size:15px;
            font-weight:700;
            color:#fff;
            margin-bottom:16px;
            letter-spacing:.02em
        }
        .footer-links{
            margin:0;padding:0;
            list-style:none
        }
        .footer-links li{
            margin-bottom:10px
        }
        .footer-links a{
            font-size:14px;
            color:#8A99B2;
            transition:color .2s,padding-left .2s
        }
        .footer-links a:hover{
            color:#5CE1E6;
            padding-left:4px
        }
        .footer-brand-line{
            margin-top:14px;
            font-size:14px;
            color:#6C7A93;
            line-height:1.7;
            max-width:280px
        }
        .footer-copyright{
            display:flex;
            align-items:center;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:12px;
            border-top:1px solid rgba(148,163,184,.1);
            padding-top:22px;
            font-size:13px;
            color:#5E6D88
        }

        @media (max-width:1023.98px){
            .post-main-grid{
                grid-template-columns:minmax(0,1fr);
                gap:38px
            }
            .post-sidebar{
                order:2
            }
            .footer-grid{
                grid-template-columns:1.3fr 1fr 1fr
            }
            .nav-row{
                display:none
            }
            .hot-entries{display:none}
            .mobile-nav-panel.open{
                display:block
            }
        }
        @media (max-width:767.98px){
            .header-top-row{
                height:60px;
                gap:12px
            }
            .logo-text{
                font-size:18px
            }
            .header-search{
                display:none
            }
            .header-actions{
                margin-left:auto
            }
            .article-glass{
                padding:30px 20px 24px
            }
            .article-hero{
                padding:44px 0 40px
            }
            .post-meta{
                gap:10px
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:26px
            }
            .footer-copyright{
                flex-direction:column;
                align-items:flex-start
            }
        }
        @media (max-width:520px){
            .container-custom{
                padding-left:16px;
                padding-right:16px
            }
            .single-article-container{
                padding-left:16px;
                padding-right:16px
            }
            .article-body{
                font-size:15px;
                line-height:1.85
            }
            .article-body h2{
                font-size:21px
            }
            .article-body h3{
                font-size:18px
            }
            .post-title{
                font-size:26px
            }
            .post-tags .label{
                display:none
            }
            .side-card-title{
                font-size:13px
            }
            .cover-mini-card{
                margin-top:2px
            }
        }

/* roulang page: category1 */
:root {
        --bg: #070D1B;
        --bg-2: #0C1428;
        --panel: rgba(17, 25, 45, 0.55);
        --panel-solid: #101A30;
        --border: rgba(148, 163, 184, 0.14);
        --blue: #3D8CFF;
        --cyan: #5CE1E6;
        --success: #3DDC97;
        --warning: #FFB020;
        --danger: #F0444C;
        --text: #EAF0FA;
        --text-sub: #A9B7CF;
        --muted: #6C7A93;
        --radius-lg: 24px;
        --radius-md: 14px;
        --radius-sm: 10px;
    }
    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        background: var(--bg);
        color: var(--text);
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
        line-height: 1.8;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input {
        font-family: inherit;
    }
    .container-custom {
        width: 100%;
        max-width: 1240px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 70;
        background: rgba(7, 13, 27, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }
    .header-top-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 10px 0;
    }
    .logo-area {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: linear-gradient(135deg, #3D8CFF, #5CE1E6);
        color: #061021;
        font-size: 18px;
        font-weight: 800;
        box-shadow: 0 8px 20px -8px rgba(61, 140, 255, 0.72);
        flex-shrink: 0;
    }
    .logo-text {
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        letter-spacing: 0.02em;
    }
    .header-search {
        display: flex;
        align-items: center;
        max-width: 420px;
        flex: 0 1 420px;
        height: 40px;
        background: rgba(11, 20, 36, 0.9);
        border: 1px solid rgba(148, 163, 184, 0.18);
        border-radius: 999px;
        padding-left: 16px;
        transition: border-color 0.25s, box-shadow 0.25s;
    }
    .header-search input {
        width: 100%;
        min-width: 0;
        background: transparent;
        border: 0;
        outline: none;
        color: var(--text);
        font-size: 13px;
        line-height: 38px;
    }
    .header-search input::placeholder {
        color: var(--muted);
    }
    .header-search button {
        width: 42px;
        height: 38px;
        flex-shrink: 0;
        background: transparent;
        border: 0;
        border-left: 1px solid rgba(148, 163, 184, 0.12);
        color: var(--cyan);
        font-size: 22px;
        cursor: pointer;
        transition: color 0.2s;
        border-radius: 0 999px 999px 0;
    }
    .header-search button:hover {
        color: #fff;
    }
    .header-search:focus-within {
        border-color: rgba(61, 140, 255, 0.65);
        box-shadow: 0 0 0 4px rgba(61, 140, 255, 0.12);
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-shrink: 0;
    }
    .header-link {
        color: var(--text-sub);
        font-size: 13px;
        padding: 8px 10px;
        border-radius: 10px;
    }
    .header-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.04);
    }
    .header-btn-sm,
    .mobile-search-btn,
    .mobile-menu-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 38px;
        min-width: 84px;
        padding: 0 14px;
        border-radius: 12px;
        background: linear-gradient(135deg, rgba(61, 140, 255, 0.18), rgba(92, 225, 230, 0.12));
        border: 1px solid rgba(61, 140, 255, 0.38);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
    }
    .header-btn-sm:hover {
        transform: translateY(-1px);
        border-color: var(--cyan);
        box-shadow: 0 8px 20px -8px rgba(92, 225, 230, 0.5);
    }
    .mobile-search-btn,
    .mobile-menu-btn {
        min-width: 40px;
        width: 40px;
        padding: 0;
        font-size: 18px;
        border-radius: 12px;
        display: none;
        border-color: rgba(148, 163, 184, 0.16);
        background: rgba(17, 25, 45, 0.5);
    }
    .nav-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 48px;
        gap: 18px;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 2px;
    }
    .nav-link {
        position: relative;
        display: block;
        padding: 12px 16px 11px;
        color: var(--text-sub);
        font-size: 15px;
        font-weight: 500;
        border-radius: 10px;
        transition: color 0.2s, background 0.2s;
    }
    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.035);
    }
    .nav-link.active {
        color: #fff;
        font-weight: 600;
    }
    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 4px;
        height: 2px;
        background: linear-gradient(90deg, var(--blue), var(--cyan));
        border-radius: 4px;
        box-shadow: 0 0 10px rgba(61, 140, 255, 0.65);
    }
    .hot-entries {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--muted);
        font-size: 13px;
        white-space: nowrap;
    }
    .hot-entries span {
        color: var(--muted);
    }
    .hot-entry {
        display: inline-flex;
        align-items: center;
        padding: 4px 12px;
        border-radius: 999px;
        border: 1px solid rgba(148, 163, 184, 0.14);
        color: var(--text-sub);
        background: rgba(17, 25, 45, 0.35);
        transition: color 0.2s, border-color 0.2s, background 0.2s;
    }
    .hot-entry:hover {
        color: #fff;
        border-color: rgba(61, 140, 255, 0.45);
        background: rgba(61, 140, 255, 0.08);
    }

    .mobile-nav-panel {
        display: none;
        padding: 6px 20px 16px;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        background: rgba(7, 13, 27, 0.98);
    }
    .mobile-nav-panel.show {
        display: block;
    }
    .mobile-nav-panel > a {
        display: block;
        padding: 11px 6px;
        font-size: 16px;
        color: var(--text-sub);
        border-left: 3px solid transparent;
        border-radius: 0 10px 10px 0;
    }
    .mobile-nav-panel > a:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.03);
    }
    .mobile-nav-panel > a.active {
        color: #fff;
        border-left-color: var(--blue);
        background: rgba(61, 140, 255, 0.08);
    }
    .mobile-nav-panel .hot-entry {
        display: inline-flex;
        margin: 6px 8px 0 0;
    }
    .mobile-search-bar {
        display: none;
        padding: 0 20px 14px;
        background: rgba(7, 13, 27, 0.98);
    }
    .mobile-search-bar.open {
        display: block;
    }
    .mobile-search-bar input {
        width: 100%;
        height: 44px;
        padding: 0 16px;
        border-radius: 12px;
        background: #0B1424;
        border: 1px solid rgba(148, 163, 184, 0.2);
        color: var(--text);
        outline: none;
    }
    .mobile-search-bar input:focus {
        border-color: var(--blue);
        box-shadow: 0 0 0 4px rgba(61, 140, 255, 0.14);
    }

    @media (max-width: 1023.98px) {
        .header-search {
            display: none;
        }
        .mobile-search-btn,
        .mobile-menu-btn {
            display: inline-flex;
        }
        .nav-row {
            display: none;
        }
    }

    .cat-banner {
        position: relative;
        padding: 68px 0 50px;
        overflow: hidden;
        background:
            radial-gradient(circle at 22% 20%, rgba(61, 140, 255, 0.22), transparent 34%),
            radial-gradient(circle at 82% 8%, rgba(92, 225, 230, 0.1), transparent 28%),
            linear-gradient(180deg, #0A1428 0%, #070D1B 100%);
        border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    }
    .cat-banner-bg {
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.36;
        pointer-events: none;
    }
    .cat-banner::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(100deg, rgba(7, 13, 27, 0.88) 0%, rgba(7, 13, 27, 0.62) 46%, rgba(7, 13, 27, 0.28) 100%);
        z-index: 1;
        pointer-events: none;
    }
    .cat-banner > .container-custom {
        position: relative;
        z-index: 2;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--muted);
        font-size: 13px;
        margin-bottom: 18px;
    }
    .breadcrumb a:hover {
        color: var(--cyan);
    }
    .breadcrumb-sep {
        color: rgba(108, 122, 147, 0.5);
    }
    .page-h1 {
        font-size: clamp(32px, 5vw, 54px);
        line-height: 1.16;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.01em;
        margin: 12px 0 18px;
        text-shadow: 0 6px 24px rgba(7, 13, 27, 0.45);
    }
    .text-gradient {
        background: linear-gradient(90deg, #3D8CFF 0%, #5CE1E6 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
    .hero-desc {
        max-width: 720px;
        color: #B9C6DC;
        font-size: 16px;
        line-height: 1.9;
        margin-bottom: 26px;
    }
    .category-flag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 5px 14px;
        border-radius: 999px;
        border: 1px solid rgba(92, 225, 230, 0.35);
        background: rgba(92, 225, 230, 0.08);
        color: var(--cyan);
        font-size: 13px;
        font-weight: 500;
    }
    .hero-btns {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 34px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 48px;
        padding: 0 24px;
        border-radius: 14px;
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    }
    .btn:focus-visible {
        outline: 3px solid rgba(92, 225, 230, 0.55);
        outline-offset: 3px;
    }
    .btn-primary {
        background: linear-gradient(135deg, #3D8CFF 0%, #5CE1E6 100%);
        color: #051024;
        box-shadow: 0 8px 24px -8px rgba(61, 140, 255, 0.68);
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 32px -8px rgba(61, 140, 255, 0.75);
    }
    .btn-ghost {
        background: rgba(17, 25, 45, 0.38);
        border: 1px solid rgba(148, 163, 184, 0.28);
        color: #EAF0FA;
    }
    .btn-ghost:hover {
        transform: translateY(-2px);
        border-color: rgba(61, 140, 255, 0.6);
        background: rgba(61, 140, 255, 0.1);
        box-shadow: 0 10px 26px -14px rgba(61, 140, 255, 0.6);
    }
    .hero-metrics {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        max-width: 720px;
        padding-top: 4px;
    }
    .hero-metric {
        flex: 1 1 150px;
        background: rgba(17, 25, 45, 0.46);
        backdrop-filter: blur(6px);
        border: 1px solid rgba(148, 163, 184, 0.14);
        border-radius: 16px;
        padding: 14px 18px;
    }
    .hero-metric strong {
        display: block;
        font-size: 22px;
        color: var(--cyan);
        font-weight: 700;
    }
    .hero-metric span {
        color: var(--muted);
        font-size: 13px;
    }

    .anchor-strip {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 22px;
    }
    .anchor-chip {
        display: inline-flex;
        align-items: center;
        padding: 8px 16px;
        border-radius: 999px;
        background: rgba(17, 25, 45, 0.5);
        border: 1px solid rgba(148, 163, 184, 0.16);
        color: var(--text-sub);
        font-size: 13px;
        transition: color 0.2s, border-color 0.2s, transform 0.2s;
    }
    .anchor-chip:hover {
        color: #fff;
        border-color: rgba(61, 140, 255, 0.5);
        transform: translateY(-1px);
    }

    .sec {
        padding: 68px 0;
    }
    .sec-alt {
        background: #090F20;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    }
    .eyebrow {
        display: block;
        color: var(--cyan);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        margin-bottom: 10px;
    }
    .section-heading {
        margin-bottom: 28px;
    }
    .section-title {
        font-size: clamp(24px, 3vw, 32px);
        line-height: 1.3;
        color: #fff;
        font-weight: 700;
        margin: 0 0 12px;
    }
    .section-sub {
        max-width: 720px;
        color: var(--text-sub);
        font-size: 15px;
    }

    .cover-frame {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        border: 1px solid rgba(148, 163, 184, 0.16);
        background: #0B1424;
        box-shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.7);
    }
    .cover-frame img {
        width: 100%;
        min-height: 340px;
        object-fit: cover;
    }
    .cover-tag {
        position: absolute;
        left: 16px;
        top: 16px;
        background: rgba(7, 13, 27, 0.72);
        backdrop-filter: blur(8px);
        color: var(--cyan);
        border: 1px solid rgba(92, 225, 230, 0.24);
        border-radius: 999px;
        padding: 5px 12px;
        font-size: 13px;
    }
    .cover-bottom {
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 16px;
        background: rgba(7, 13, 27, 0.78);
        backdrop-filter: blur(9px);
        border: 1px solid rgba(255, 255, 255, 0.08);
        color: #D6E0F0;
        font-size: 13px;
        border-radius: 14px;
        padding: 10px 14px;
    }

    .mini-list {
        display: grid;
        gap: 14px;
        margin-top: 22px;
    }
    .mini-list-item {
        display: flex;
        gap: 14px;
        align-items: flex-start;
        background: rgba(17, 25, 45, 0.4);
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-radius: 16px;
        padding: 16px 18px;
    }
    .mini-list-item .dot {
        width: 8px;
        height: 8px;
        border-radius: 3px;
        background: linear-gradient(135deg, var(--blue), var(--cyan));
        box-shadow: 0 0 10px rgba(92, 225, 230, 0.5);
        flex-shrink: 0;
        margin-top: 11px;
    }
    .mini-list-item h3 {
        font-size: 16px;
        color: #fff;
        font-weight: 600;
        margin: 0 0 4px;
    }
    .mini-list-item p {
        font-size: 14px;
        color: var(--text-sub);
        margin: 0;
    }

    .rank-panel {
        display: grid;
        gap: 12px;
    }
    .rank-item {
        display: flex;
        align-items: center;
        gap: 18px;
        background: rgba(17, 25, 45, 0.45);
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-radius: 16px;
        padding: 18px 20px;
        transition: background 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
    }
    .rank-item:hover {
        background: rgba(20, 30, 52, 0.9);
        border-color: rgba(61, 140, 255, 0.38);
        transform: translateY(-2px);
        box-shadow: 0 18px 36px -22px rgba(0, 0, 0, 0.8);
    }
    .rank-num {
        width: 46px;
        text-align: center;
        font-size: 24px;
        font-weight: 800;
        color: #526079;
        flex-shrink: 0;
        font-family: "SFMono-Regular", Consolas, monospace;
    }
    .rank-item:nth-child(1) .rank-num {
        color: var(--warning);
    }
    .rank-item:nth-child(2) .rank-num {
        color: var(--cyan);
    }
    .rank-item:nth-child(3) .rank-num {
        color: var(--blue);
    }
    .rank-main {
        flex: 1;
        min-width: 0;
    }
    .rank-main h3 {
        font-size: 18px;
        color: #fff;
        font-weight: 600;
        margin: 0 0 5px;
        line-height: 1.4;
    }
    .rank-main p {
        margin: 0;
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.75;
    }
    .rank-tags {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 6px;
        width: 130px;
        flex-shrink: 0;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        width: fit-content;
        padding: 3px 11px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 500;
        gap: 5px;
        white-space: nowrap;
    }
    .badge-success {
        color: var(--success);
        background: rgba(61, 220, 151, 0.1);
        border: 1px solid rgba(61, 220, 151, 0.18);
    }
    .badge-warning {
        color: var(--warning);
        background: rgba(255, 176, 32, 0.1);
        border: 1px solid rgba(255, 176, 32, 0.2);
    }
    .badge-blue {
        color: #7CB3FF;
        background: rgba(61, 140, 255, 0.12);
        border: 1px solid rgba(61, 140, 255, 0.22);
    }
    .badge-cyan {
        color: var(--cyan);
        background: rgba(92, 225, 230, 0.08);
        border: 1px solid rgba(92, 225, 230, 0.2);
    }
    .badge .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: currentColor;
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.06);
    }
    .rank-arrow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 34px;
        height: 34px;
        border-radius: 12px;
        color: var(--text-sub);
        border: 1px solid rgba(148, 163, 184, 0.12);
        transition: all 0.2s ease;
    }
    .rank-arrow:hover {
        color: #fff;
        border-color: rgba(61, 140, 255, 0.55);
        box-shadow: 0 0 14px rgba(61, 140, 255, 0.18);
        transform: translateX(3px);
    }

    @media (max-width: 767.98px) {
        .rank-item {
            display: grid;
            grid-template-columns: 40px 1fr;
            gap: 10px 14px;
            padding: 16px;
        }
        .rank-num {
            grid-row: span 2;
            font-size: 20px;
        }
        .rank-tags {
            grid-column: 2;
            flex-direction: row;
            flex-wrap: wrap;
            justify-content: flex-start;
            width: auto;
        }
        .rank-arrow {
            display: none;
        }
    }

    .process-grid {
        display: grid;
        gap: 22px;
    }
    .process-step {
        position: relative;
        display: grid;
        grid-template-columns: 54px 1fr;
        gap: 18px;
        padding: 4px 0 4px 4px;
    }
    .process-step .step-num {
        width: 54px;
        height: 54px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 16px;
        background: rgba(17, 25, 45, 0.8);
        border: 1px solid rgba(92, 225, 230, 0.22);
        color: var(--cyan);
        font-size: 18px;
        font-weight: 800;
        box-shadow: 0 0 24px -10px rgba(92, 225, 230, 0.3);
    }
    .process-step h3 {
        color: #fff;
        font-size: 18px;
        font-weight: 600;
        margin: 2px 0 6px;
    }
    .process-step p {
        color: var(--text-sub);
        font-size: 14px;
        margin: 0;
        max-width: 460px;
    }
    .process-step:not(:last-child)::after {
        content: "";
        position: absolute;
        left: 27px;
        top: 64px;
        bottom: -28px;
        width: 1px;
        background: linear-gradient(180deg, rgba(92, 225, 230, 0.4), rgba(61, 140, 255, 0.06));
    }
    .process-note {
        margin-top: 30px;
        background: rgba(61, 140, 255, 0.08);
        border: 1px solid rgba(61, 140, 255, 0.16);
        border-left: 3px solid rgba(61, 140, 255, 0.8);
        padding: 14px 18px;
        border-radius: 14px;
        color: var(--text-sub);
        font-size: 14px;
    }

    .cat-table-wrap {
        overflow-x: auto;
        border: 1px solid rgba(148, 163, 184, 0.12);
        border-radius: 18px;
        background: rgba(12, 20, 40, 0.64);
    }
    .cat-table {
        width: 100%;
        min-width: 720px;
        border-collapse: collapse;
    }
    .cat-table th,
    .cat-table td {
        padding: 16px 20px;
        text-align: left;
        font-size: 14px;
        vertical-align: top;
        border-bottom: 1px solid rgba(148, 163, 184, 0.09);
    }
    .cat-table th {
        color: #D6E0F0;
        font-weight: 600;
        background: rgba(61, 140, 255, 0.06);
        white-space: nowrap;
    }
    .cat-table td {
        color: var(--text-sub);
    }
    .cat-table tr:last-child td {
        border-bottom: 0;
    }
    .cat-table td:first-child {
        color: #fff;
        font-weight: 600;
        white-space: nowrap;
        background: rgba(255, 255, 255, 0.016);
    }
    .cat-table tr:hover td {
        background: rgba(61, 140, 255, 0.03);
    }

    .faq-panel {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        border-bottom: 1px solid rgba(148, 163, 184, 0.12);
    }
    .faq-item:last-child {
        border-bottom: 0;
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        width: 100%;
        background: transparent;
        border: 0;
        cursor: pointer;
        padding: 18px 4px;
        text-align: left;
        color: #EAF0FA;
        font-size: 16px;
        font-weight: 600;
        line-height: 1.6;
        transition: color 0.2s;
    }
    .faq-question:hover {
        color: #fff;
    }
    .faq-icon {
        flex-shrink: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 28px;
        height: 28px;
        border-radius: 9px;
        color: var(--cyan);
        border: 1px solid rgba(92, 225, 230, 0.2);
        font-size: 18px;
        transition: transform 0.25s, background 0.25s;
    }
    .faq-item.open .faq-icon {
        transform: rotate(90deg);
        background: rgba(92, 225, 230, 0.08);
        color: #fff;
    }
    .faq-answer {
        display: none;
        padding: 0 28px 20px 4px;
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.85;
    }
    .faq-item.open .faq-answer {
        display: block;
    }

    .cta-box {
        position: relative;
        overflow: hidden;
        background:
            radial-gradient(circle at 8% 20%, rgba(61, 140, 255, 0.22), transparent 34%),
            radial-gradient(circle at 95% 80%, rgba(92, 225, 230, 0.12), transparent 28%),
            rgba(12, 20, 40, 0.84);
        border: 1px solid rgba(148, 163, 184, 0.14);
        border-radius: 24px;
        padding: 42px 38px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        box-shadow: 0 24px 50px -34px rgba(0, 0, 0, 0.75);
    }
    .cta-box h2 {
        color: #fff;
        font-size: clamp(22px, 2.6vw, 30px);
        margin: 4px 0 0;
        line-height: 1.3;
    }
    .cta-box p {
        color: var(--text-sub);
        margin: 10px 0 0;
        max-width: 620px;
    }

    .related-grid {
        display: grid;
        gap: 18px;
        grid-template-columns: repeat(2, 1fr);
    }
    .rel-card {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 12px;
        background: rgba(17, 25, 45, 0.5);
        border: 1px solid rgba(148, 163, 184, 0.14);
        border-radius: 20px;
        padding: 24px;
        transition: transform 0.2s, border-color 0.2s, background 0.2s;
    }
    .rel-card:hover {
        transform: translateY(-3px);
        border-color: rgba(92, 225, 230, 0.32);
        background: rgba(21, 31, 54, 0.82);
    }
    .rel-card h3 {
        font-size: 18px;
        color: #fff;
        font-weight: 600;
        margin: 0 0 8px;
    }
    .rel-card p {
        font-size: 14px;
        color: var(--text-sub);
        margin: 0;
    }
    .rel-card .rel-arrow {
        align-self: center;
        color: var(--cyan);
        font-size: 20px;
        width: 36px;
        height: 36px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: rgba(92, 225, 230, 0.08);
        border: 1px solid rgba(92, 225, 230, 0.14);
    }
    @media (max-width: 767.98px) {
        .related-grid {
            grid-template-columns: 1fr;
        }
        .cta-box {
            padding: 30px 22px;
        }
    }

    .site-footer {
        background: #070D1B;
        border-top: 1px solid rgba(148, 163, 184, 0.12);
        padding: 54px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 38px;
    }
    .footer-brand-line {
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.85;
        max-width: 320px;
        margin: 14px 0 0;
    }
    .footer-title {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin: 6px 0 14px;
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        gap: 10px;
    }
    .footer-links a {
        color: var(--text-sub);
        font-size: 14px;
        transition: color 0.2s;
    }
    .footer-links a:hover {
        color: var(--cyan);
    }
    .footer-copyright {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 20px;
        justify-content: space-between;
        padding-top: 24px;
        margin-top: 38px;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        color: var(--muted);
        font-size: 13px;
    }
    @media (max-width: 1023.98px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
    }
    @media (max-width: 639.98px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 22px;
        }
        .footer-copyright {
            flex-direction: column;
            gap: 4px;
        }
        .sec {
            padding: 52px 0;
        }
        .cat-banner {
            padding: 48px 0 36px;
        }
    }

/* roulang page: category2 */
:root {
        --bg: #070D1B;
        --panel: #0C1428;
        --card: rgba(17, 25, 45, 0.55);
        --card-solid: #101A30;
        --line: rgba(148, 163, 184, 0.14);
        --line-strong: rgba(148, 163, 184, 0.26);
        --blue: #3D8CFF;
        --cyan: #5CE1E6;
        --success: #3DDC97;
        --warning: #FFB020;
        --danger: #E85D5D;
        --text: #EAF0FA;
        --text-muted: #A9B7CF;
        --text-weak: #6C7A93;
        --radius-xl: 24px;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-sm: 0 6px 24px rgba(0, 0, 0, 0.18);
        --shadow-md: 0 14px 44px rgba(0, 0, 0, 0.28);
        --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        background: var(--bg);
        color: var(--text);
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
    }

    body {
        overflow-x: hidden;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    button,
    input {
        font-family: inherit;
    }

    ul,
    ol {
        list-style: none;
    }

    :focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 3px;
    }

    ::selection {
        background: rgba(61, 140, 255, 0.3);
        color: #fff;
    }

    .container-custom {
        width: 100%;
        max-width: 1220px;
        margin: 0 auto;
        padding-left: 24px;
        padding-right: 24px;
    }

    .site-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(7, 13, 27, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(148, 163, 184, 0.10);
    }

    .header-top-row {
        display: flex;
        align-items: center;
        min-height: 76px;
        gap: 18px;
    }

    .logo-area {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
        margin-right: 6px;
    }

    .logo-mark {
        width: 38px;
        height: 38px;
        flex: 0 0 auto;
        display: grid;
        place-items: center;
        border-radius: 11px;
        background: linear-gradient(135deg, var(--blue), var(--cyan));
        color: #fff;
        font-size: 18px;
        font-weight: 800;
        letter-spacing: -0.5px;
        box-shadow: 0 6px 22px rgba(61, 140, 255, 0.22), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    }

    .logo-text {
        color: #fff;
        font-size: 21px;
        font-weight: 800;
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

    .header-search {
        flex: 1;
        max-width: 520px;
        position: relative;
        display: flex;
        align-items: center;
        margin-left: 12px;
    }

    .header-search input {
        width: 100%;
        height: 42px;
        border-radius: 999px;
        border: 1px solid rgba(148, 163, 184, 0.18);
        background: rgba(11, 18, 36, 0.8);
        color: var(--text);
        font-size: 14px;
        padding: 0 18px;
        transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .header-search input::placeholder {
        color: var(--text-weak);
    }

    .header-search input:focus {
        outline: none;
        border-color: var(--blue);
        background: rgba(12, 20, 40, 0.96);
        box-shadow: 0 0 0 4px rgba(61, 140, 255, 0.14);
    }

    .header-search button {
        position: absolute;
        right: 5px;
        top: 50%;
        transform: translateY(-50%);
        width: 34px;
        height: 34px;
        display: grid;
        place-items: center;
        border: 0;
        border-radius: 999px;
        background: transparent;
        color: var(--text-muted);
        font-size: 22px;
        cursor: pointer;
        transition: color 0.2s ease, background 0.2s ease;
    }

    .header-search button:hover {
        color: #fff;
        background: rgba(61, 140, 255, 0.18);
    }

    .header-actions {
        margin-left: auto;
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 12px;
    }

    .header-link {
        color: var(--text-muted);
        font-size: 14px;
        font-weight: 500;
        padding: 8px 10px;
        transition: color 0.2s ease;
    }

    .header-link:hover {
        color: #fff;
    }

    .header-btn-sm {
        min-height: 36px;
        padding: 0 18px;
        display: inline-flex;
        align-items: center;
        border-radius: 999px;
        border: 1px solid rgba(92, 225, 230, 0.36);
        background: rgba(61, 140, 255, 0.12);
        color: #EAF0FA;
        font-size: 13px;
        font-weight: 600;
        transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
    }

    .header-btn-sm:hover {
        background: rgba(92, 225, 230, 0.15);
        border-color: var(--cyan);
        box-shadow: 0 0 24px rgba(92, 225, 230, 0.1);
    }

    .nav-row {
        display: flex;
        align-items: center;
        height: 50px;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
    }

    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        padding: 0 18px;
        color: var(--text-muted);
        font-size: 15px;
        font-weight: 500;
        white-space: nowrap;
        transition: color 0.2s ease;
    }

    .nav-link:hover {
        color: #fff;
    }

    .nav-link.active {
        color: #fff;
    }

    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 4px;
        height: 2px;
        border-radius: 999px;
        background: linear-gradient(90deg, var(--blue), var(--cyan));
        box-shadow: 0 0 14px rgba(92, 225, 230, 0.5);
    }

    .hot-entries {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 4px;
        color: var(--text-weak);
        font-size: 13px;
    }

    .hot-entries span {
        margin-right: 4px;
    }

    .hot-entry {
        display: inline-flex;
        align-items: center;
        min-height: 30px;
        padding: 0 10px;
        border-radius: 999px;
        border: 1px solid rgba(148, 163, 184, 0.12);
        color: var(--text-muted);
        transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
    }

    .hot-entry:hover {
        color: var(--cyan);
        border-color: rgba(92, 225, 230, 0.4);
        background: rgba(92, 225, 230, 0.06);
    }

    .mobile-menu-btn {
        display: none;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--line);
        border-radius: 12px;
        background: rgba(17, 25, 45, 0.7);
        color: #fff;
        font-size: 18px;
        cursor: pointer;
    }

    .mobile-menu-btn:hover {
        border-color: rgba(92, 225, 230, 0.4);
        background: rgba(61, 140, 255, 0.1);
    }

    .mobile-nav-panel {
        display: none;
    }

    .page-wrap {
        position: relative;
    }

    .page-wrap::before {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        background:
            radial-gradient(circle at 12% 8%, rgba(61, 140, 255, 0.1), transparent 28%),
            radial-gradient(circle at 88% 18%, rgba(92, 225, 230, 0.07), transparent 22%);
    }

    .intro-lead {
        position: relative;
        padding: 76px 0 56px;
    }

    .intro-copy {
        position: relative;
    }

    .crumb-link {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        color: var(--text-weak);
        font-size: 13px;
        margin-bottom: 24px;
    }

    .crumb-link a {
        color: var(--text-weak);
        transition: color 0.2s ease;
    }

    .crumb-link a:hover {
        color: var(--text);
    }

    .crumb-link .sep {
        margin: 0 8px;
        color: rgba(108, 122, 147, 0.6);
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 5px 14px;
        border-radius: 999px;
        border: 1px solid rgba(92, 225, 230, 0.28);
        background: rgba(92, 225, 230, 0.08);
        color: var(--cyan);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.04em;
        margin-bottom: 18px;
    }

    .intro-copy h1 {
        color: #fff;
        font-size: clamp(28px, 4.2vw, 46px);
        line-height: 1.25;
        font-weight: 800;
        max-width: 680px;
        margin-bottom: 20px;
    }

    .intro-copy h1 span {
        color: transparent;
        background: linear-gradient(120deg, var(--blue), var(--cyan));
        -webkit-background-clip: text;
        background-clip: text;
    }

    .intro-desc {
        max-width: 640px;
        font-size: 16px;
        line-height: 1.9;
        color: var(--text-muted);
        margin-bottom: 28px;
    }

    .intro-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 28px;
    }

    .mini-tag {
        display: inline-flex;
        align-items: center;
        min-height: 32px;
        padding: 0 12px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        border: 1px solid var(--line);
        background: rgba(17, 25, 45, 0.45);
        color: var(--text-muted);
    }

    .intro-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 46px;
        padding: 0 24px;
        border-radius: 999px;
        font-size: 15px;
        font-weight: 600;
        border: 1px solid transparent;
        cursor: pointer;
        transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, border-color 0.22s ease;
    }

    .btn-glow {
        background: linear-gradient(120deg, var(--blue), var(--cyan));
        color: #04101F;
        box-shadow: 0 8px 28px rgba(61, 140, 255, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.24);
    }

    .btn-glow:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 36px rgba(61, 140, 255, 0.3), 0 0 0 4px rgba(61, 140, 255, 0.08);
    }

    .btn-line {
        background: rgba(17, 25, 45, 0.55);
        color: var(--text);
        border-color: rgba(148, 163, 184, 0.24);
    }

    .btn-line:hover {
        transform: translateY(-2px);
        border-color: rgba(92, 225, 230, 0.6);
        color: var(--cyan);
        box-shadow: 0 0 18px rgba(92, 225, 230, 0.08);
    }

    .intro-visual {
        position: relative;
    }

    .cover-card {
        position: relative;
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(148, 163, 184, 0.16);
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
        background: var(--panel);
        transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        transform: translateY(0);
    }

    .cover-card::after {
        content: "";
        position: absolute;
        top: 12px;
        left: 12px;
        right: 12px;
        bottom: 12px;
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        pointer-events: none;
    }

    .cover-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
    }

    .cover-card img {
        width: 100%;
        height: 100%;
        min-height: 360px;
        object-fit: cover;
    }

    .cover-badge {
        position: absolute;
        left: 26px;
        bottom: 22px;
        display: inline-flex;
        align-items: center;
        min-height: 36px;
        padding: 0 14px;
        border-radius: 999px;
        background: rgba(7, 13, 27, 0.78);
        backdrop-filter: blur(8px);
        border: 1px solid rgba(92, 225, 230, 0.3);
        color: #EAF0FA;
        font-size: 13px;
        font-weight: 500;
        z-index: 2;
    }

    .quick-anchor {
        position: relative;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        border-bottom: 1px solid rgba(148, 163, 184, 0.08);
        background: rgba(10, 18, 36, 0.5);
        backdrop-filter: blur(8px);
    }

    .quick-anchor-inner {
        display: flex;
        align-items: center;
        gap: 6px;
        min-height: 60px;
        overflow-x: auto;
        scrollbar-width: none;
    }

    .quick-anchor-inner::-webkit-scrollbar {
        display: none;
    }

    .quick-anchor-inner a {
        display: inline-flex;
        align-items: center;
        min-height: 32px;
        padding: 0 14px;
        border-radius: 999px;
        color: var(--text-muted);
        font-size: 14px;
        white-space: nowrap;
        transition: color 0.2s ease, background 0.2s ease;
    }

    .quick-anchor-inner a:hover {
        color: var(--cyan);
        background: rgba(92, 225, 230, 0.08);
    }

    .section {
        position: relative;
        padding: 88px 0;
    }

    .section-header {
        max-width: 760px;
        margin-bottom: 42px;
    }

    .section-kicker {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--cyan);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        margin-bottom: 12px;
    }

    .section-header h2 {
        color: #fff;
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 700;
        line-height: 1.35;
        margin-bottom: 12px;
    }

    .section-header p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.9;
    }

    .rankings-wrap {
        position: relative;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        background: rgba(9, 15, 30, 0.4);
    }

    .ranking-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 38px;
    }

    .rank-row {
        display: grid;
        grid-template-columns: 78px minmax(0, 1fr) auto;
        align-items: start;
        gap: 16px;
        padding: 22px 24px;
        border-radius: var(--radius-lg);
        background: linear-gradient(135deg, rgba(18, 28, 50, 0.72), rgba(12, 20, 40, 0.92));
        border: 1px solid rgba(148, 163, 184, 0.12);
        transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .rank-row:hover {
        transform: translateX(-4px);
        border-color: rgba(92, 225, 230, 0.36);
        box-shadow: 0 14px 40px rgba(0, 0, 0, 0.24), 0 0 0 1px rgba(92, 225, 230, 0.04);
    }

    .rank-no {
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 800;
        line-height: 1;
        background: linear-gradient(140deg, var(--blue), var(--cyan));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        opacity: 0.86;
        padding-top: 4px;
    }

    .rank-main {
        min-width: 0;
    }

    .rank-row h3 {
        color: #fff;
        font-size: 18px;
        line-height: 1.45;
        font-weight: 700;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
    }

    .rank-row p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.8;
    }

    .status-label {
        display: inline-flex;
        align-items: center;
        min-height: 24px;
        padding: 0 9px;
        border-radius: 999px;
        color: #EAF0FA;
        font-size: 12px;
        font-weight: 600;
        background: rgba(148, 163, 184, 0.14);
        border: 1px solid rgba(148, 163, 184, 0.24);
    }

    .status-live {
        color: var(--success);
        background: rgba(61, 220, 151, 0.1);
        border-color: rgba(61, 220, 151, 0.3);
    }

    .status-new {
        color: var(--blue);
        background: rgba(61, 140, 255, 0.1);
        border-color: rgba(61, 140, 255, 0.3);
    }

    .status-limit {
        color: var(--warning);
        background: rgba(255, 176, 32, 0.1);
        border-color: rgba(255, 176, 32, 0.3);
    }

    .status-cyan {
        color: var(--cyan);
        background: rgba(92, 225, 230, 0.08);
        border-color: rgba(92, 225, 230, 0.3);
    }

    .rank-link {
        display: flex;
        align-items: flex-start;
        justify-content: flex-end;
    }

    .rank-link a {
        display: inline-flex;
        align-items: center;
        gap: 2px;
        min-height: 36px;
        padding: 0 4px 0 14px;
        color: var(--text-muted);
        font-size: 14px;
        transition: color 0.2s ease, gap 0.2s ease;
    }

    .rank-link a span {
        color: inherit;
    }

    .rank-link a em {
        font-style: normal;
        font-size: 20px;
        line-height: 1;
        transition: transform 0.2s ease;
    }

    .rank-link a:hover {
        color: var(--cyan);
        gap: 6px;
    }

    .rank-link a:hover em {
        transform: translateX(3px);
    }

    .process-section {
        position: relative;
    }

    .process-section::before {
        content: "";
        position: absolute;
        top: 120px;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg, rgba(61, 140, 255, 0.08), rgba(92, 225, 230, 0.24), rgba(255, 255, 255, 0.05));
        pointer-events: none;
    }

    .process-steps {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 22px;
        margin-top: 48px;
        position: relative;
    }

    .step-item {
        position: relative;
        padding: 26px 22px 30px;
        border-radius: 20px;
        border: 1px solid rgba(148, 163, 184, 0.12);
        background: linear-gradient(145deg, rgba(17, 25, 45, 0.7), rgba(9, 14, 28, 0.9));
        transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    }

    .step-item:hover {
        transform: translateY(-4px);
        border-color: rgba(61, 140, 255, 0.32);
        box-shadow: var(--shadow-sm);
    }

    .step-number {
        display: block;
        font-size: 34px;
        font-weight: 800;
        background: linear-gradient(135deg, var(--blue), var(--cyan));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        line-height: 1.2;
        margin-bottom: 16px;
    }

    .step-item h3 {
        font-size: 18px;
        color: #fff;
        margin-bottom: 8px;
        font-weight: 700;
    }

    .step-item p {
        font-size: 14px;
        line-height: 1.85;
        color: var(--text-muted);
    }

    .compare-section {
        background: rgba(10, 17, 34, 0.72);
        border-top: 1px solid rgba(148, 163, 184, 0.09);
        border-bottom: 1px solid rgba(148, 163, 184, 0.09);
    }

    .table-scroll {
        overflow-x: auto;
        border-radius: 18px;
        border: 1px solid rgba(148, 163, 184, 0.14);
        background: rgba(9, 15, 29, 0.6);
    }

    .info-table {
        width: 100%;
        min-width: 760px;
        border-collapse: separate;
        border-spacing: 0;
    }

    .info-table th {
        text-align: left;
        padding: 16px 18px;
        color: var(--text-muted);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.03em;
        border-bottom: 1px solid rgba(148, 163, 184, 0.12);
        background: rgba(17, 25, 45, 0.5);
    }

    .info-table td {
        padding: 17px 18px;
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.7;
        border-bottom: 1px solid rgba(148, 163, 184, 0.07);
        vertical-align: top;
    }

    .info-table td:first-child {
        color: #fff;
        font-weight: 600;
    }

    .info-table tbody tr {
        transition: background 0.2s ease;
    }

    .info-table tbody tr:hover {
        background: rgba(61, 140, 255, 0.05);
    }

    .info-table tbody tr:last-child td {
        border-bottom: 0;
    }

    .faq-section {
        position: relative;
        padding: 88px 0;
    }

    .faq-wrap {
        max-width: 760px;
        margin: 0 auto;
    }

    .faq-item {
        border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    }

    .faq-question {
        display: flex;
        align-items: center;
        gap: 14px;
        width: 100%;
        min-height: 68px;
        padding: 0 2px;
        background: transparent;
        border: 0;
        cursor: pointer;
        text-align: left;
        color: var(--text);
        font-size: 16px;
        font-weight: 600;
        line-height: 1.5;
        transition: color 0.2s ease;
    }

    .faq-question:hover {
        color: var(--cyan);
    }

    .faq-question .faq-arrow {
        margin-left: auto;
        display: grid;
        width: 28px;
        height: 28px;
        place-items: center;
        border-radius: 8px;
        border: 1px solid rgba(148, 163, 184, 0.16);
        color: var(--text-muted);
        flex: 0 0 auto;
        transition: transform 0.25s ease, color 0.2s ease, border-color 0.2s ease;
    }

    .faq-item.active .faq-arrow {
        transform: rotate(90deg);
        color: var(--cyan);
        border-color: rgba(92, 225, 230, 0.4);
    }

    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.85;
    }

    .faq-answer-inner {
        padding: 0 40px 20px 0;
    }

    .faq-item.active .faq-answer {
        max-height: 300px;
    }

    .cta-panel {
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        background:
            linear-gradient(135deg, rgba(61, 140, 255, 0.06), transparent 40%),
            radial-gradient(circle at 30% 20%, rgba(92, 225, 230, 0.06), transparent 30%),
            var(--panel);
        padding: 90px 0;
    }

    .cta-box {
        display: grid;
        grid-template-columns: minmax(0, 1.6fr) auto;
        gap: 30px;
        align-items: center;
        border-radius: 26px;
        border: 1px solid rgba(148, 163, 184, 0.14);
        background: rgba(17, 25, 45, 0.55);
        padding: 46px 48px;
        backdrop-filter: blur(6px);
    }

    .cta-box h2 {
        color: #fff;
        font-size: clamp(22px, 3.4vw, 32px);
        font-weight: 800;
        line-height: 1.35;
        margin-bottom: 12px;
    }

    .cta-box p {
        color: var(--text-muted);
        font-size: 15px;
        max-width: 720px;
        margin-bottom: 10px;
    }

    .cta-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .site-footer {
        background: #060B17;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        padding: 60px 0 20px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }

    .footer-brand-line {
        margin-top: 16px;
        max-width: 300px;
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.7;
    }

    .footer-title {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 14px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }

    .footer-links a {
        display: inline-block;
        padding: 4px 0;
        color: var(--text-muted);
        font-size: 14px;
        transition: color 0.2s ease, transform 0.2s ease;
    }

    .footer-links a:hover {
        color: #fff;
        transform: translateX(3px);
    }

    .footer-copyright {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 12px;
        padding-top: 20px;
        border-top: 1px solid rgba(148, 163, 184, 0.08);
        color: var(--text-weak);
        font-size: 13px;
    }

    @media (max-width: 1023px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }

        .process-steps {
            grid-template-columns: repeat(2, 1fr);
        }

        .process-section::before {
            display: none;
        }

        .cta-box {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 900px) {
        .header-top-row {
            min-height: 62px;
        }

        .header-search {
            display: none;
        }

        .nav-row {
            display: none !important;
        }

        .mobile-menu-btn {
            display: inline-flex;
        }

        .logo-mark {
            width: 34px;
            height: 34px;
            font-size: 16px;
        }

        .logo-text {
            font-size: 17px;
        }

        .header-link {
            display: none;
        }

        .mobile-nav-panel {
            display: none;
            flex-direction: column;
            padding: 0 20px 16px;
            border-top: 1px solid rgba(148, 163, 184, 0.12);
            background: rgba(10, 18, 36, 0.98);
        }

        .mobile-nav-panel.open {
            display: flex;
        }

        .mobile-nav-panel a {
            display: flex;
            align-items: center;
            min-height: 44px;
            padding: 0 8px;
            color: var(--text-muted);
            font-size: 15px;
            border-bottom: 1px solid rgba(148, 163, 184, 0.06);
        }

        .mobile-nav-panel a:last-of-type {
            border-bottom: 0;
        }

        .mobile-nav-panel a.active {
            color: var(--cyan);
            font-weight: 600;
        }
    }

    @media (max-width: 767px) {
        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }

        .intro-lead {
            padding: 48px 0 38px;
        }

        .section {
            padding: 62px 0;
        }

        .intro-actions .btn {
            flex: 1;
        }

        .rank-row {
            grid-template-columns: 48px minmax(0, 1fr);
            padding: 20px 18px;
            align-items: start;
        }

        .rank-no {
            font-size: 32px;
        }

        .rank-link {
            grid-column: 2;
            justify-content: flex-start;
        }

        .process-steps {
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .step-item p {
            font-size: 15px;
        }

        .faq-question {
            font-size: 15px;
            padding: 14px 0;
            gap: 10px;
        }

        .faq-answer-inner {
            padding-right: 0;
        }

        .cta-box {
            padding: 32px 24px;
            gap: 22px;
        }

        .cta-actions .btn {
            width: 100%;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 24px;
        }

        .footer-copyright {
            justify-content: center;
            text-align: center;
        }

        .footer-copyright span {
            display: block;
            width: 100%;
        }

        .cover-card img {
            min-height: 280px;
        }

        .quick-anchor-inner {
            padding: 10px 0;
        }
    }

    @media (max-width: 480px) {
        .header-actions {
            gap: 6px;
        }

        .header-btn-sm {
            display: none !important;
        }

        .intro-tags .mini-tag {
            padding: 0 10px;
        }
    }
