/* roulang page: index */
:root {
            --bg-deep: #0B1424;
            --bg-mid: #111D38;
            --primary: #2E6BFF;
            --cyan: #35D0FF;
            --violet: #8B5CF6;
            --pink: #FF3D7A;
            --success: #2DE1C2;
            --warning: #FFB020;
            --error: #FF6B6B;
            --title: #EDF3FF;
            --body: #B6C4E0;
            --muted: #7E90B5;
            --disabled: #4B5B7A;
            --glass-bg: rgba(149, 177, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.10);
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-pill: 999px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 48px rgba(46, 107, 255, 0.15);
            --transition: all 0.25s ease;
            --nav-h: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(145deg, #0B1424 0%, #111D38 60%, #0D1730 100%);
            background-attachment: fixed;
            color: var(--body);
            font-size: 16px;
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(46, 107, 255, 0.12), transparent 60%),
                radial-gradient(ellipse at 80% 70%, rgba(139, 92, 246, 0.08), transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--cyan);
        }

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ::selection {
            background: rgba(53, 208, 255, 0.25);
            color: #fff;
        }

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

        @media (max-width: 640px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Foundation 覆盖 ===== */
        a {
            color: inherit;
        }

        .button {
            background: transparent;
            border: 0;
            margin: 0;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: transparent;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--nav-h);
            background: rgba(11, 20, 36, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            z-index: 1000;
        }

        .nav-wrapper {
            height: var(--nav-h);
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo::before {
            content: '';
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 0 12px rgba(53, 208, 255, 0.6);
            flex-shrink: 0;
        }

        .logo span {
            color: var(--cyan);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 42px;
            height: 42px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            cursor: pointer;
            padding: 0;
            gap: 5px;
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--title);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .hamburger.is-open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
            max-width: 520px;
            margin: 0 auto;
        }

        .search-box {
            width: 100%;
            height: 44px;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 999px;
            padding: 0 18px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: rgba(53, 208, 255, 0.6);
            box-shadow: 0 0 0 4px rgba(53, 208, 255, 0.12);
            background: rgba(255, 255, 255, 0.08);
        }

        .search-box svg {
            width: 16px;
            height: 16px;
            fill: var(--muted);
            margin-right: 10px;
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: 0;
            outline: none;
            color: var(--title);
            font-size: 14px;
            height: 100%;
        }

        .search-box input::placeholder {
            color: var(--muted);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--body);
            background: transparent;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--cyan);
            background: rgba(53, 208, 255, 0.08);
        }

        .nav-link.active {
            color: var(--cyan);
            background: rgba(53, 208, 255, 0.12);
            border-color: rgba(53, 208, 255, 0.25);
            box-shadow: 0 0 18px rgba(53, 208, 255, 0.1);
        }

        @media (max-width: 991.98px) {
            .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding-top: 10px;
                padding-bottom: 10px;
                gap: 12px;
            }

            .nav-left {
                justify-content: space-between;
                width: 100%;
            }

            .hamburger {
                display: flex;
            }

            .nav-center {
                order: 3;
                max-width: 100%;
                width: 100%;
                margin: 0;
            }

            .nav-right {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 4px;
                padding: 12px 0;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }

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

            .nav-link {
                width: 100%;
                justify-content: flex-start;
                border-radius: 10px;
                padding: 12px 16px;
            }

            .site-header {
                height: auto;
            }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding-top: var(--nav-h);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, #0B1424 0%, rgba(11, 20, 36, 0.35) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px 120px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(53, 208, 255, 0.10);
            border: 1px solid rgba(53, 208, 255, 0.30);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

        .hero h1 {
            font-size: 46px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--title);
            max-width: 720px;
            margin: 0 auto 20px;
            text-shadow: 0 0 24px rgba(53, 208, 255, 0.35);
            letter-spacing: 1px;
        }

        .hero-sub {
            font-size: 18px;
            color: var(--muted);
            max-width: 520px;
            margin: 0 auto 36px;
            line-height: 1.6;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, #2E6BFF, #35D0FF);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            border: 0;
            cursor: pointer;
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.45);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(53, 208, 255, 0.55);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.3);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--title);
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .btn-ghost:hover {
            border-color: rgba(53, 208, 255, 0.5);
            color: var(--cyan);
            box-shadow: 0 0 20px rgba(53, 208, 255, 0.15);
            transform: translateY(-2px);
        }

        .btn-lg {
            height: 56px;
            padding: 0 40px;
            font-size: 16px;
        }

        .hero-gate {
            margin: 0 auto 28px;
            width: 200px;
            height: 200px;
            animation: float 4s ease-in-out infinite;
        }

        .hero-gate svg {
            width: 100%;
            height: 100%;
            filter: drop-shadow(0 0 18px rgba(53, 208, 255, 0.25));
        }

        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-12px);
            }
        }

        .scroll-indicator {
            position: absolute;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: var(--cyan);
            font-size: 20px;
            animation: scrollDown 2s ease-in-out infinite;
            opacity: 0.8;
        }

        @keyframes scrollDown {
            0%,
            100% {
                transform: translate(-50%, 0);
                opacity: 0.6;
            }
            50% {
                transform: translate(-50%, 10px);
                opacity: 1;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 32px;
            }

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

            .hero-content {
                padding: 60px 16px 100px;
            }

            .hero-gate {
                width: 160px;
                height: 160px;
            }
        }

        @media (max-width: 576px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
            }
        }

        /* ===== 信任数据条 ===== */
        .trust-bar {
            position: relative;
            z-index: 2;
            margin-top: -70px;
            padding-bottom: 0;
        }

        .trust-inner {
            background: rgba(149, 177, 255, 0.07);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
        }

        .trust-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            padding: 16px 12px;
            text-align: center;
        }

        .trust-item i {
            font-size: 28px;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .trust-item span {
            font-size: 14px;
            font-weight: 600;
            color: var(--title);
        }

        .trust-note {
            font-size: 12px;
            color: var(--disabled);
            text-align: center;
            padding-top: 8px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* ===== 通用区块 ===== */
        .section-block {
            position: relative;
            z-index: 2;
            padding: 88px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--cyan);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            padding: 4px 14px;
            border-radius: 999px;
            background: rgba(53, 208, 255, 0.08);
            border: 1px solid rgba(53, 208, 255, 0.15);
        }

        .section-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--muted);
            max-width: 620px;
            margin-bottom: 40px;
        }

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

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

        @media (max-width: 768px) {
            .section-block {
                padding: 64px 0;
            }

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

        @media (max-width: 576px) {
            .section-block {
                padding: 48px 0;
            }
        }

        /* ===== 功能介绍 ===== */
        .features {
            background: transparent;
        }

        .feature-left {
            position: sticky;
            top: 100px;
            align-self: flex-start;
            padding-right: 32px;
            margin-bottom: 32px;
        }

        .feature-left .section-title {
            margin-bottom: 16px;
        }

        .feature-left p {
            color: var(--muted);
            margin-bottom: 24px;
            font-size: 16px;
            line-height: 1.7;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--cyan);
            font-weight: 600;
            font-size: 14px;
        }

        .text-link:hover {
            color: var(--title);
            gap: 12px;
        }

        .text-link i {
            transition: var(--transition);
        }

        .feature-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            backdrop-filter: blur(14px);
            transition: var(--transition);
        }

        .feature-step:hover {
            background: rgba(149, 177, 255, 0.10);
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }

        .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--cyan);
            background: rgba(53, 208, 255, 0.10);
            border: 1px solid rgba(53, 208, 255, 0.20);
            flex-shrink: 0;
        }

        .feature-step h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 4px;
        }

        .feature-step p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
        }

        @media (max-width: 991.98px) {
            .feature-left {
                position: static;
                padding-right: 0;
            }
        }

        /* ===== 奖励预览 ===== */
        .rewards {
            background: transparent;
            position: relative;
        }

        .rewards::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 0%, rgba(139, 92, 246, 0.08), transparent 70%);
            pointer-events: none;
        }

        .reward-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: rgba(53, 208, 255, 0.3) transparent;
        }

        .reward-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .reward-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .reward-scroll::-webkit-scrollbar-thumb {
            background: rgba(53, 208, 255, 0.3);
            border-radius: 999px;
        }

        .reward-card {
            min-width: 280px;
            flex: 0 0 280px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            backdrop-filter: blur(14px);
            transition: var(--transition);
            position: relative;
        }

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

        .reward-cover {
            position: relative;
            height: 170px;
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .reward-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 20, 36, 0.8) 100%);
        }

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

        .reward-card:hover .reward-cover img {
            transform: scale(1.03);
        }

        .reward-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
        }

        .reward-badge.pink {
            background: linear-gradient(135deg, var(--pink), #FF6B9D);
            box-shadow: 0 4px 14px rgba(255, 61, 122, 0.35);
        }

        .reward-badge.violet {
            background: linear-gradient(135deg, var(--violet), #A78BFA);
            box-shadow: 0 4px 14px rgba(139, 92, 246, 0.35);
        }

        .reward-badge.cyan {
            background: linear-gradient(135deg, var(--cyan), var(--primary));
            box-shadow: 0 4px 14px rgba(53, 208, 255, 0.35);
        }

        .reward-body {
            padding: 20px 20px 22px;
        }

        .reward-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 4px;
        }

        .reward-body p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            line-height: 1.5;
        }

        .reward-progress {
            height: 4px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .reward-progress-fill {
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
        }

        .reward-body a {
            font-size: 13px;
            font-weight: 600;
            color: var(--cyan);
        }

        .reward-body a:hover {
            color: var(--title);
        }

        /* ===== 任务进度 ===== */
        .mission {
            position: relative;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.06), rgba(53, 208, 255, 0.04));
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .mission .section-head {
            margin-bottom: 40px;
        }

        .mission-track {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            max-width: 760px;
            margin: 0 auto 36px;
            padding: 0 16px;
        }

        .progress-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            flex-shrink: 0;
            min-width: 100px;
        }

        .step-node {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(149, 177, 255, 0.06);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .progress-step.done .step-node {
            color: var(--success);
            border-color: rgba(45, 225, 194, 0.4);
            background: rgba(45, 225, 194, 0.08);
        }

        .progress-step.active .step-node {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.5);
            background: rgba(53, 208, 255, 0.10);
            box-shadow: 0 0 20px rgba(53, 208, 255, 0.25);
        }

        .progress-step.pending .step-node {
            color: var(--disabled);
            border-color: rgba(255, 255, 255, 0.08);
        }

        .step-label {
            font-size: 14px;
            color: var(--title);
            font-weight: 600;
            white-space: nowrap;
        }

        .step-status {
            font-size: 12px;
            color: var(--muted);
            margin-top: 2px;
        }

        .progress-segment {
            height: 4px;
            flex: 1;
            margin: 0 8px -28px;
            border-radius: 2px;
            min-width: 30px;
        }

        .progress-segment.done {
            background: linear-gradient(90deg, #2E6BFF, #35D0FF);
        }

        .progress-segment.active {
            background: linear-gradient(90deg, #2E6BFF, #35D0FF, #2E6BFF);
            background-size: 200% 100%;
            animation: flow 2s linear infinite;
        }

        .progress-segment.pending {
            border: 1px dashed rgba(255, 255, 255, 0.15);
            background: transparent;
        }

        @keyframes flow {
            0% {
                background-position: 0% 50%;
            }
            100% {
                background-position: 200% 50%;
            }
        }

        .mission-cta {
            text-align: center;
        }

        @media (max-width: 768px) {
            .mission-track {
                flex-direction: column;
                gap: 16px;
            }

            .progress-segment {
                width: 4px;
                height: 30px;
                margin: 0;
                min-width: 0;
            }
        }

        /* ===== CMS 资讯 ===== */
        .news-section {
            background: transparent;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }

        .news-card {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 16px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            backdrop-filter: blur(14px);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateX(4px);
            background: rgba(149, 177, 255, 0.10);
            box-shadow: var(--shadow-hover);
        }

        .news-cover {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-img);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
            background-color: rgba(46, 107, 255, 0.2);
            background-image: linear-gradient(135deg, rgba(46, 107, 255, 0.3), rgba(53, 208, 255, 0.2));
        }

        .news-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.15), rgba(53, 208, 255, 0.10));
        }

        .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-badge {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: var(--cyan);
            background: rgba(53, 208, 255, 0.08);
            border: 1px solid rgba(53, 208, 255, 0.15);
            margin-bottom: 6px;
        }

        .news-info h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .news-info h3 a:hover {
            color: var(--cyan);
        }

        .news-info p {
            font-size: 13px;
            color: var(--muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--disabled);
        }

        .news-meta a {
            color: var(--cyan);
            font-weight: 600;
        }

        .news-meta a:hover {
            color: var(--title);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
        }

        .empty-state i {
            font-size: 40px;
            color: var(--disabled);
            margin-bottom: 12px;
            display: block;
        }

        .empty-state p {
            color: var(--muted);
            font-size: 14px;
        }

        @media (max-width: 576px) {
            .news-card {
                flex-direction: row;
                padding: 12px 14px;
            }

            .news-cover {
                width: 90px;
                height: 70px;
            }

            .news-info p {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: transparent;
            position: relative;
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .accordion {
            background: transparent;
            border: 0;
        }

        .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: rgba(53, 208, 255, 0.2);
        }

        .accordion-title {
            position: relative;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            background: transparent;
            border: 0;
            line-height: 1.5;
            transition: var(--transition);
        }

        .accordion-title::before {
            content: '';
            width: 4px;
            height: 20px;
            background: var(--primary);
            border-radius: 4px;
            opacity: 0;
            transition: var(--transition);
        }

        .accordion-item.is-active .accordion-title::before {
            opacity: 1;
        }

        .accordion-title::after {
            content: '\f067';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 20px;
            font-size: 14px;
            color: var(--muted);
            transition: var(--transition);
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(90deg);
            color: var(--cyan);
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: rgba(255, 255, 255, 0.02);
            color: var(--cyan);
        }

        .accordion-content {
            padding: 0 24px 20px 40px;
            color: var(--body);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            background: transparent;
        }

        .accordion-content p {
            color: var(--muted);
        }

        /* ===== CTA 面板 ===== */
        .cta-panel {
            position: relative;
            z-index: 2;
            padding: 100px 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            text-align: center;
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 20, 36, 0.88), rgba(17, 29, 56, 0.78));
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            padding: 48px;
            max-width: 720px;
            margin: 0 auto;
            background: rgba(149, 177, 255, 0.07);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(53, 208, 255, 0.06), transparent 50%);
            pointer-events: none;
        }

        .cta-inner h2 {
            font-size: 32px;
            color: var(--title);
            margin-bottom: 12px;
        }

        .cta-inner p {
            color: var(--muted);
            margin-bottom: 28px;
            font-size: 16px;
        }

        @media (max-width: 576px) {
            .cta-panel {
                padding: 64px 0;
                background-attachment: scroll;
            }

            .cta-inner {
                padding: 32px 20px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            position: relative;
            z-index: 2;
            background: rgba(8, 14, 28, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 56px;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-logo::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
        }

        .footer-brand p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            max-width: 260px;
        }

        .footer-col {
            padding: 0 16px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--title);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            border-radius: 2px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--muted);
            padding: 4px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--cyan);
            transform: translateX(4px);
        }

        .footer-bottom {
            margin-top: 48px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }

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

        @media (max-width: 768px) {
            .footer-col {
                margin-bottom: 24px;
            }

            .site-footer {
                padding-top: 40px;
            }
        }

/* roulang page: article */
:root {
            --bg-dark: #0B1424;
            --bg-deep: #111D38;
            --primary: #2E6BFF;
            --cyan: #35D0FF;
            --violet: #8B5CF6;
            --pink: #FF3D7A;
            --success: #2DE1C2;
            --warning: #FFB020;
            --error: #FF6B6B;
            --text-title: #EDF3FF;
            --text-body: #B6C4E0;
            --text-muted: #7E90B5;
            --text-disable: #4B5B7A;
            --glass-bg: rgba(149, 177, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.10);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 48px rgba(46, 107, 255, 0.15);
            --transition: all 0.25s ease;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: linear-gradient(160deg, #0B1424 0%, #111D38 55%, #16263f 100%);
            background-attachment: fixed;
            color: var(--text-body);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(53, 208, 255, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(53, 208, 255, 0.04) 1px, transparent 1px);
            background-size: 44px 44px;
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: "";
            position: fixed;
            top: -20%;
            right: -10%;
            width: 540px;
            height: 540px;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.16), transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--cyan);
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: 12px;
        }

        button,
        input {
            font-family: inherit;
        }

        .grid-container {
            max-width: var(--container-max);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(11, 20, 36, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .site-header .nav-wrapper {
            height: 72px;
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 0 24px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .logo span {
            color: var(--cyan);
            margin-left: 2px;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: 0;
            padding: 8px;
            cursor: pointer;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .search-box {
            width: min(520px, 44%);
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-pill);
            display: flex;
            align-items: center;
            padding: 0 18px;
            gap: 10px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.25);
            background: rgba(255, 255, 255, 0.09);
        }

        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: 0;
            outline: none;
            color: var(--text-title);
            font-size: 14px;
        }

        .search-box input::placeholder {
            color: var(--text-disable);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            border: 1px solid transparent;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: var(--cyan);
            background: rgba(46, 107, 255, 0.15);
            border-color: rgba(46, 107, 255, 0.30);
        }

        /* ===== Article Page ===== */
        .page-main {
            position: relative;
            z-index: 1;
            padding-top: 140px;
            padding-bottom: 88px;
            min-height: calc(100vh - 72px);
        }

        .breadcrumb-bar {
            margin-bottom: 32px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

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

        .breadcrumb-bar .sep {
            margin: 0 10px;
            color: var(--text-disable);
        }

        .article-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-head-card {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0) 45%), var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 40px 44px 28px;
            margin-bottom: 36px;
            backdrop-filter: blur(14px);
        }

        .article-head-card .article-category {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(139, 92, 246, 0.16);
            border: 1px solid rgba(139, 92, 246, 0.35);
            color: #c4b5fd;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .article-head-card h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.4;
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 18px;
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta i {
            color: var(--cyan);
            font-size: 14px;
        }

        .article-content {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0) 40%), var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(10px);
            font-size: 16px;
            line-height: 1.9;
            color: var(--text-body);
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            margin: 40px 0 16px;
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-title);
            margin: 28px 0 12px;
        }

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

        .article-content ul {
            margin: 0 0 24px;
            padding-left: 20px;
        }

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

        .article-content li::marker {
            color: var(--primary);
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 20px 24px;
            background: rgba(149, 177, 255, 0.06);
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            color: var(--text-body);
        }

        .article-content a {
            color: var(--cyan);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

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

        .article-content code {
            background: rgba(0, 0, 0, 0.45);
            padding: 3px 8px;
            border-radius: 6px;
            font-family: "SFMono-Regular", Consolas, monospace;
            font-size: 0.9em;
            color: #e9d5ff;
        }

        .article-content pre {
            background: rgba(5, 10, 25, 0.8);
            border-radius: 12px;
            padding: 18px;
            overflow-x: auto;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: #d1e0ff;
        }

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

        .article-footer {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            max-width: 780px;
            margin: 32px auto 0;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .article-tags a,
        .article-tags span {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 13px;
            color: var(--text-body);
            transition: var(--transition);
        }

        .article-tags a:hover {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.5);
        }

        .article-share {
            display: flex;
            gap: 10px;
        }

        .article-share a {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-muted);
            font-size: 16px;
            transition: var(--transition);
        }

        .article-share a:hover {
            color: #fff;
            background: rgba(46, 107, 255, 0.25);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* 无内容状态 */
        .article-not-found {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 32px;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0) 50%), var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(14px);
        }

        .article-not-found .not-found-icon {
            font-size: 64px;
            color: var(--warning);
            margin-bottom: 20px;
            display: block;
        }

        .article-not-found h2 {
            font-size: 24px;
            color: var(--text-title);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            max-width: 1080px;
            margin: 72px auto 0;
        }

        .related-section .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 28px;
            position: relative;
            padding-left: 16px;
        }

        .related-section .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--primary), var(--cyan));
        }

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

        .related-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(46, 107, 255, 0.3);
        }

        .related-card .cover {
            height: 140px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.35), rgba(139, 92, 246, 0.35));
            position: relative;
            overflow: hidden;
        }

        .related-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .related-card .body {
            padding: 20px 22px 24px;
            flex: 1;
        }

        .related-card .tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 10px;
            border-radius: var(--radius-pill);
            background: rgba(139, 92, 246, 0.16);
            color: #c4b5fd;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .related-card h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin: 0 0 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .link {
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--cyan);
        }

        /* ===== 底部返回 ===== */
        .back-row {
            text-align: center;
            margin-top: 56px;
        }

        .back-row a {
            display: inline-block;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
        }

        .back-row a:hover {
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.4);
            background: rgba(53, 208, 255, 0.08);
        }

        /* ===== CTA 区块 ===== */
        .cta-panel {
            max-width: 960px;
            margin: 80px auto 0;
            padding: 56px 48px;
            text-align: center;
            background:
                linear-gradient(120deg, rgba(46, 107, 255, 0.18), rgba(53, 208, 255, 0.10), rgba(139, 92, 246, 0.15)),
                rgba(149, 177, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 24px;
            box-shadow: 0 16px 60px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(14px);
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            top: -60%;
            left: -20%;
            width: 60%;
            height: 200%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.05), transparent);
            transform: rotate(20deg);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            margin: 0 0 12px;
        }

        .cta-panel p {
            font-size: 16px;
            color: var(--text-muted);
            margin: 0 0 28px;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            height: 52px;
            padding: 0 36px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            border: none;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.45);
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-glow:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(53, 208, 255, 0.55);
            color: #fff;
        }

        .btn-glow:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.25);
        }

        /* ===== Footer ===== */
        .site-footer {
            position: relative;
            z-index: 1;
            background: rgba(8, 15, 28, 0.9);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 24px;
            margin-top: 24px;
        }

        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 4px 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 20px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-disable);
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991px) {
            .site-header {
                height: auto;
                padding: 12px 0;
            }

            .site-header .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 0 16px;
                gap: 12px;
            }

            .nav-left {
                width: 100%;
                justify-content: space-between;
            }

            .hamburger {
                display: flex;
            }

            .nav-center {
                order: 3;
                width: 100%;
            }

            .search-box {
                width: 100%;
                max-width: 100%;
            }

            .nav-right {
                order: 2;
                width: auto;
                overflow-x: auto;
                max-width: calc(100% - 100px);
                white-space: nowrap;
                scrollbar-width: none;
            }

            .nav-right::-webkit-scrollbar {
                display: none;
            }

            .nav-link {
                font-size: 13px;
                padding: 6px 12px;
            }

            .page-main {
                padding-top: 150px;
            }

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

        @media (max-width: 768px) {
            .article-head-card {
                padding: 28px 24px 22px;
            }

            .article-head-card h1 {
                font-size: 24px;
            }

            .article-content {
                padding: 28px 24px;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

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

            .cta-panel {
                padding: 40px 24px;
            }

            .cta-panel h2 {
                font-size: 24px;
            }

            .cta-panel .btn-glow {
                height: 48px;
                padding: 0 24px;
                font-size: 14px;
            }

            .site-footer {
                padding: 48px 0 20px;
            }

            .footer-brand {
                margin-bottom: 24px;
            }
        }

        @media (max-width: 576px) {
            .page-main {
                padding-top: 170px;
                padding-bottom: 48px;
            }

            .article-head-card {
                padding: 24px 18px 18px;
            }

            .article-head-card h1 {
                font-size: 22px;
            }

            .article-content {
                padding: 22px 18px;
                font-size: 15px;
            }

            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .breadcrumb-bar {
                font-size: 13px;
            }

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

/* roulang page: category1 */
:root {
            --bg-dark: #0B1424;
            --bg-deep: #111D38;
            --primary: #2E6BFF;
            --cyan: #35D0FF;
            --violet: #8B5CF6;
            --pink: #FF3D7A;
            --success: #2DE1C2;
            --warning: #FFB020;
            --error: #FF6B6B;
            --text-title: #EDF3FF;
            --text-body: #B6C4E0;
            --text-secondary: #7E90B5;
            --text-disabled: #4B5B7A;
            --glass-bg: rgba(149, 177, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.10);
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 48px rgba(46, 107, 255, 0.15);
            --transition: all 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-dark);
            color: var(--text-body);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            color: var(--text-title);
            font-weight: 700;
            line-height: 1.4;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }
        p {
            margin: 0;
        }
        button,
        input {
            font-family: inherit;
            background: none;
            border: none;
            outline: none;
        }

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

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            height: 72px;
            background: rgba(11, 20, 36, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-wrapper {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .nav-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.5px;
        }
        .logo span {
            color: var(--cyan);
        }
        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
        }
        .search-box {
            width: min(520px, 44%);
            height: 44px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 20px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            transition: var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(46, 107, 255, 0.15);
        }
        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-secondary);
            flex-shrink: 0;
        }
        .search-box input {
            width: 100%;
            color: var(--text-title);
            font-size: 14px;
            background: transparent;
            border: none;
            outline: none;
        }
        .search-box input::placeholder {
            color: var(--text-disabled);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-link {
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-body);
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text-title);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            color: #0B1424;
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            box-shadow: 0 0 12px rgba(53, 208, 255, 0.3);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.06);
            cursor: pointer;
        }
        .hamburger span {
            width: 20px;
            height: 2px;
            background: var(--text-title);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== 页面主体 ===== */
        .page-main {
            padding-top: 72px;
        }

        /* ===== 页面 Hero ===== */
        .page-hero {
            position: relative;
            padding: 110px 0 72px;
            background: linear-gradient(0deg, #0B1424 0%, rgba(11, 20, 36, 0.55) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 20%, rgba(139, 92, 246, 0.16), transparent 60%);
            pointer-events: none;
        }
        .page-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .page-hero-inner {
            max-width: 760px;
        }
        .page-hero-crumb {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .page-hero-crumb a {
            color: var(--cyan);
        }
        .page-hero-crumb a:hover {
            color: var(--text-title);
        }
        .page-hero h1 {
            font-size: 38px;
            color: var(--text-title);
            margin-bottom: 18px;
            line-height: 1.3;
            text-shadow: 0 0 24px rgba(53, 208, 255, 0.3);
        }
        .page-hero p {
            font-size: 17px;
            color: var(--text-body);
            max-width: 540px;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            background: linear-gradient(90deg, var(--primary), var(--cyan));
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.35);
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(53, 208, 255, 0.45);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 6px rgba(0, 0, 0, 0.2);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-title);
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            cursor: pointer;
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-title);
        }
        .btn-lg {
            height: 56px;
            padding: 0 40px;
            font-size: 16px;
        }

        /* ===== 区块通用 ===== */
        .section-block {
            padding: 88px 0;
        }
        .section-title {
            font-size: 32px;
            text-align: center;
            margin-bottom: 14px;
            color: var(--text-title);
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 52px;
            line-height: 1.7;
        }

        /* ===== 登录流程步骤 ===== */
        .steps-section {
            padding: 88px 0;
            position: relative;
        }
        .steps-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(46, 107, 255, 0.08), transparent 70%);
            pointer-events: none;
        }
        .steps-list {
            max-width: 820px;
            margin: 0 auto;
            position: relative;
        }
        .step-line {
            position: relative;
            display: flex;
            gap: 24px;
            padding: 0 0 44px;
        }
        .step-line::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 56px;
            bottom: 0;
            width: 1px;
            background: linear-gradient(180deg, rgba(46, 107, 255, 0.4), rgba(53, 208, 255, 0.08));
        }
        .step-line:last-child {
            padding-bottom: 0;
        }
        .step-line:last-child::before {
            display: none;
        }
        .step-dot {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(149, 177, 255, 0.08);
            border: 1px solid rgba(53, 208, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
            box-shadow: 0 0 12px rgba(53, 208, 255, 0.15);
        }
        .step-dot svg {
            width: 20px;
            height: 20px;
            color: var(--cyan);
        }
        .step-content {
            flex: 1;
            padding-top: 2px;
        }
        .step-content h3 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--text-title);
        }
        .step-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 560px;
        }
        .step-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--cyan);
            margin-bottom: 4px;
            letter-spacing: 0.5px;
        }

        /* ===== 访问方式 ===== */
        .methods-section {
            padding: 88px 0;
            background: linear-gradient(180deg, rgba(149, 177, 255, 0.03), rgba(149, 177, 255, 0) 70%);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .method-list {
            max-width: 860px;
            margin: 0 auto;
        }
        .method-row {
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 24px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            margin-bottom: 18px;
            transition: var(--transition);
            backdrop-filter: blur(14px);
        }
        .method-row:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(53, 208, 255, 0.25);
        }
        .method-thumb {
            width: 200px;
            flex-shrink: 0;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: linear-gradient(135deg, #1a2a4a, #0f1a33);
        }
        .method-thumb img {
            width: 100%;
            height: 120px;
            object-fit: cover;
        }
        .method-info {
            flex: 1;
        }
        .method-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(139, 92, 246, 0.15);
            color: #C4B5FD;
            margin-bottom: 6px;
            border: 1px solid rgba(139, 92, 246, 0.25);
        }
        .method-info h3 {
            font-size: 18px;
            margin-bottom: 6px;
            color: var(--text-title);
        }
        .method-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== 疑难排查 ===== */
        .troubleshoot-section {
            padding: 88px 0;
        }
        .trouble-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trouble-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 24px 28px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            transition: var(--transition);
        }
        .trouble-item:hover {
            transform: translateX(4px);
            background: rgba(149, 177, 255, 0.09);
            border-color: rgba(255, 176, 32, 0.2);
        }
        .trouble-icon {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 176, 32, 0.12);
            border: 1px solid rgba(255, 176, 32, 0.25);
        }
        .trouble-icon svg {
            width: 20px;
            height: 20px;
            color: var(--warning);
        }
        .trouble-item h3 {
            font-size: 16px;
            margin-bottom: 4px;
            color: var(--text-title);
        }
        .trouble-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 88px 0;
            background: linear-gradient(180deg, rgba(149, 177, 255, 0.03), rgba(149, 177, 255, 0) 70%);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .faq-panel {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            background: transparent;
            border: none;
        }
        .accordion-item {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border) !important;
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .accordion-item:hover {
            border-color: rgba(53, 208, 255, 0.2) !important;
        }
        .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            background: transparent !important;
            border: none !important;
            position: relative;
            line-height: 1.5;
        }
        .accordion-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 18px;
            bottom: 18px;
            width: 3px;
            background: transparent;
            border-radius: 3px;
            transition: var(--transition);
        }
        .accordion-title:hover {
            background: rgba(255, 255, 255, 0.04) !important;
            color: var(--text-title);
        }
        .accordion-item.is-active .accordion-title {
            color: var(--cyan);
        }
        .accordion-item.is-active .accordion-title::before {
            background: linear-gradient(180deg, var(--primary), var(--cyan));
        }
        .accordion-title::after {
            content: '+' !important;
            margin-left: auto;
            font-size: 22px;
            font-weight: 400;
            color: var(--text-secondary);
            transition: transform 0.3s ease;
            float: none !important;
            width: auto;
            height: auto;
            position: static;
            background: transparent !important;
            border: none !important;
            border-radius: 0;
            text-align: right;
        }
        .accordion-item.is-active .accordion-title::after {
            transform: rotate(135deg);
            color: var(--cyan);
            content: '+' !important;
        }
        .accordion-content {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            background: transparent !important;
            border: none !important;
        }
        .accordion-content p {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 88px 0;
        }
        .cta-panel {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
            padding: 56px 40px;
            text-align: center;
            border-radius: 24px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            backdrop-filter: blur(14px);
            overflow: hidden;
        }
        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(46, 107, 255, 0.15), rgba(53, 208, 255, 0.04) 40%, rgba(139, 92, 246, 0.1));
            pointer-events: none;
        }
        .cta-panel::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(53, 208, 255, 0.12), transparent 70%);
            top: -40px;
            right: -40px;
            pointer-events: none;
        }
        .cta-panel h2 {
            font-size: 30px;
            color: var(--text-title);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-panel p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        .cta-panel .btn-primary {
            position: relative;
            z-index: 1;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: rgba(9, 16, 30, 0.92);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 0;
            margin-top: 40px;
        }
        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: var(--text-title);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
            font-size: 13px;
            color: var(--text-disabled);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .site-header {
                height: auto;
            }
            .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 24px;
                gap: 12px;
            }
            .nav-left {
                order: 1;
            }
            .nav-center {
                order: 2;
                width: 100%;
            }
            .nav-center .search-box {
                width: 100%;
            }
            .nav-right {
                order: 3;
                width: 100%;
                display: none;
                flex-direction: column;
                gap: 4px;
                padding: 8px 0 0;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-right.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 16px;
                text-align: center;
                border-radius: 10px;
            }
            .hamburger {
                display: flex;
            }
            .page-main {
                padding-top: 110px;
            }
            .page-hero {
                padding: 90px 0 56px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .section-block,
            .steps-section,
            .methods-section,
            .faq-section,
            .cta-section,
            .troubleshoot-section {
                padding: 64px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .method-row {
                gap: 20px;
            }
            .method-thumb {
                width: 160px;
            }
            .method-thumb img {
                height: 100px;
            }
        }

        @media (max-width: 576px) {
            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-main {
                padding-top: 120px;
            }
            .page-hero {
                padding: 80px 0 44px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 14px;
                margin-bottom: 36px;
            }
            .step-line {
                gap: 16px;
                padding-bottom: 32px;
            }
            .step-dot {
                width: 40px;
                height: 40px;
            }
            .step-line::before {
                left: 20px;
                top: 46px;
            }
            .method-row {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
                gap: 16px;
            }
            .method-thumb {
                width: 100%;
            }
            .method-thumb img {
                height: 140px;
            }
            .trouble-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }
            .cta-panel {
                padding: 36px 20px;
            }
            .cta-panel h2 {
                font-size: 24px;
            }
            .cta-panel .btn-primary {
                width: 100%;
                justify-content: center;
            }
            .footer-bottom {
                padding: 16px 0;
            }
        }

        @media (max-width: 400px) {
            .logo {
                font-size: 17px;
            }
            .page-hero h1 {
                font-size: 23px;
            }
        }

/* roulang page: category2 */
:root {
            --bg: #0B1424;
            --bg2: #111D38;
            --primary: #2E6BFF;
            --cyan: #35D0FF;
            --violet: #8B5CF6;
            --pink: #FF3D7A;
            --success: #2DE1C2;
            --warning: #FFB020;
            --error: #FF6B6B;
            --title: #EDF3FF;
            --body: #B6C4E0;
            --muted: #7E90B5;
            --placeholder: #4B5B7A;
            --border: rgba(255, 255, 255, 0.10);
            --card-bg: rgba(149, 177, 255, 0.06);
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 48px rgba(46, 107, 255, 0.15);
            --transition: all 0.25s ease;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: radial-gradient(circle at 18% 8%, rgba(139, 92, 246, 0.10), transparent 40%),
                radial-gradient(circle at 82% 18%, rgba(46, 107, 255, 0.10), transparent 42%),
                linear-gradient(180deg, #0B1424 0%, #111D38 100%);
            background-attachment: fixed;
            color: var(--body);
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--cyan);
        }

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

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        p {
            margin-top: 0;
        }

        :focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 20, 36, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 24px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--title);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo span {
            color: var(--cyan);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            background: transparent;
            border: 0;
            padding: 10px 8px;
            cursor: pointer;
            border-radius: 8px;
        }

        .hamburger span {
            width: 22px;
            height: 2px;
            background: var(--title);
            border-radius: 2px;
            display: block;
            transition: var(--transition);
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .search-box {
            width: min(520px, 100%);
            height: 44px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            border-radius: 999px;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0 18px;
            transition: var(--transition);
        }

        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--muted);
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            background: transparent;
            border: 0;
            outline: 0;
            color: var(--title);
            font-size: 15px;
            min-width: 0;
        }

        .search-box input::placeholder {
            color: var(--placeholder);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(46, 107, 255, 0.20);
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--body);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover {
            color: var(--title);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(46, 107, 255, 0.22);
            box-shadow: inset 0 0 0 1px rgba(53, 208, 255, 0.28);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            position: relative;
            padding: 96px 0 80px;
            text-align: center;
            background: linear-gradient(180deg, rgba(11, 20, 36, 0.25), rgba(11, 20, 36, 0.92) 100%),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 100%, rgba(53, 208, 255, 0.14), transparent 60%);
            pointer-events: none;
        }

        .page-hero .grid-container {
            position: relative;
            z-index: 1;
        }

        .crumbs {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .crumbs a:hover {
            color: var(--cyan);
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--title);
            line-height: 1.3;
            margin: 0 auto 14px;
            max-width: 820px;
            text-shadow: 0 0 30px rgba(53, 208, 255, 0.35);
        }

        .page-hero p {
            font-size: 18px;
            color: var(--body);
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== Buttons ========== */
        .btn-primary,
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            transition: var(--transition);
            cursor: pointer;
            border: 0;
        }

        .btn-primary {
            background: linear-gradient(135deg, #2E6BFF, #35D0FF);
            color: #fff;
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.45);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(53, 208, 255, 0.65);
            color: #fff;
        }

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

        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--title);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        .btn-lg {
            height: 56px;
            padding: 0 40px;
            font-size: 16px;
        }

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

        .section-alt {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-header {
            max-width: 720px;
            margin: 0 auto 48px;
            text-align: center;
        }

        .section-header .eyebrow {
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--title);
            margin: 8px 0 12px;
        }

        .section-header p {
            color: var(--muted);
            font-size: 16px;
            margin-bottom: 0;
        }

        /* ========== Cards ========== */
        .glass-card {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0) 45%), var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            height: 100%;
        }

        .glass-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(53, 208, 255, 0.30);
        }

        .icon-badge {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.25), rgba(53, 208, 255, 0.12));
            border: 1px solid rgba(53, 208, 255, 0.25);
            color: var(--cyan);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .icon-badge svg {
            width: 22px;
            height: 22px;
        }

        .quick-card h3 {
            font-size: 19px;
            color: var(--title);
            margin: 0 0 8px;
            font-weight: 700;
        }

        .quick-card p {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
        }

        .quick-card a {
            color: var(--cyan);
            font-weight: 600;
        }

        .quick-horizontal {
            display: flex;
            align-items: center;
            gap: 22px;
            text-align: left;
        }

        .quick-horizontal .icon-badge {
            margin-bottom: 0;
        }

        .quick-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            font-weight: 700;
            font-size: 14px;
        }

        .quick-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.25s ease;
        }

        .quick-link:hover svg {
            transform: translateX(4px);
        }

        /* ========== Accordion ========== */
        .faq-wrap {
            max-width: 900px;
            margin: 0 auto;
        }

        .accordion {
            background: transparent;
            border: 0;
            margin: 0;
        }

        .accordion-item {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0) 50%), rgba(149, 177, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .accordion-item.is-active {
            border-color: rgba(53, 208, 255, 0.32);
        }

        .accordion-title {
            background: transparent;
            border: 0;
            color: var(--title);
            font-size: 17px;
            font-weight: 600;
            padding: 22px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--transition);
            border-radius: 0;
            line-height: 1.5;
        }

        .accordion-title:hover,
        .accordion-item.is-active .accordion-title {
            background: rgba(255, 255, 255, 0.04);
            color: var(--cyan);
        }

        .accordion-title::before {
            content: none;
        }

        .accordion-title::after {
            content: '+';
            font-size: 24px;
            font-weight: 300;
            color: var(--cyan);
            transition: transform 0.3s ease;
            flex-shrink: 0;
            line-height: 1;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(45deg);
        }

        .accordion-content {
            background: rgba(255, 255, 255, 0.02);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 24px;
            color: var(--body);
            font-size: 15px;
        }

        .accordion-content p {
            margin-bottom: 10px;
        }

        .accordion-content p:last-child {
            margin-bottom: 0;
        }

        /* ========== Steps ========== */
        .step-track {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .step-item {
            position: relative;
            text-align: center;
            padding: 32px 18px 24px;
            border-radius: var(--radius-card);
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0) 55%), rgba(149, 177, 255, 0.04);
            border: 1px dashed rgba(255, 255, 255, 0.14);
            transition: var(--transition);
        }

        .step-item:hover {
            border-color: rgba(53, 208, 255, 0.40);
            transform: translateY(-4px);
        }

        .step-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(46, 107, 255, 0.20);
            border: 1px solid rgba(53, 208, 255, 0.35);
            color: var(--cyan);
            box-shadow: 0 0 18px rgba(53, 208, 255, 0.18);
        }

        .step-icon svg {
            width: 22px;
            height: 22px;
        }

        .step-item h3 {
            font-size: 16px;
            color: var(--title);
            font-weight: 700;
            margin-bottom: 6px;
        }

        .step-item p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        .step-num {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #2E6BFF, #35D0FF);
            color: #fff;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 12px rgba(53, 208, 255, 0.5);
        }

        /* ========== Split Card ========== */
        .split-card {
            display: flex;
            align-items: center;
            gap: 44px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.10), rgba(139, 92, 246, 0.08)), rgba(149, 177, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 24px;
            padding: 40px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
        }

        .split-media {
            flex: 0 0 42%;
            border-radius: var(--radius-img);
            overflow: hidden;
            background: linear-gradient(135deg, #1a2b52, #0f1c38);
            min-height: 260px;
            position: relative;
        }

        .split-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .split-content {
            flex: 1;
        }

        .split-content .eyebrow {
            color: var(--cyan);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
        }

        .split-content h2 {
            font-size: 30px;
            color: var(--title);
            font-weight: 700;
            margin: 8px 0 14px;
        }

        .split-content p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .remind-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 12px;
            color: var(--body);
            font-size: 15px;
        }

        .remind-list li::before {
            content: '';
            position: absolute;
            left: 4px;
            top: 12px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 0 10px rgba(53, 208, 255, 0.5);
        }

        .split-cta {
            margin-top: 24px;
        }

        /* ========== CTA ========== */
        .cta-panel {
            position: relative;
            text-align: center;
            padding: 64px 48px;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.20), rgba(139, 92, 246, 0.14)),
                url('/assets/images/backpic/back-3.png') center / cover no-repeat,
                linear-gradient(180deg, rgba(11, 20, 36, 0.85), rgba(17, 29, 56, 0.92));
            border: 1px solid rgba(255, 255, 255, 0.12);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, transparent 30%, rgba(255, 255, 255, 0.06) 50%, transparent 70%);
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 34px;
            color: var(--title);
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-panel p {
            color: var(--body);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto 28px;
        }

        .cta-panel .hero-actions {
            position: relative;
            z-index: 1;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #081020;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--muted);
            max-width: 310px;
            margin: 0;
            line-height: 1.8;
        }

        .footer-logo {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-logo span {
            color: var(--cyan);
        }

        .footer-col h4 {
            color: var(--title);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--cyan);
            transform: translateX(4px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding: 22px 0;
            text-align: center;
            color: var(--placeholder);
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .step-track {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .site-header {
                position: sticky;
            }

            .nav-wrapper {
                flex-wrap: wrap;
                height: auto;
                padding: 14px 0;
                row-gap: 0;
                align-items: stretch;
            }

            .nav-left {
                width: 100%;
                justify-content: space-between;
            }

            .hamburger {
                display: flex;
            }

            .nav-center,
            .nav-right {
                display: none;
                width: 100%;
            }

            .nav-wrapper.mobile-open .nav-center,
            .nav-wrapper.mobile-open .nav-right {
                display: flex;
            }

            .nav-center {
                order: 3;
                padding-top: 16px;
                padding-bottom: 6px;
            }

            .search-box {
                width: 100%;
            }

            .nav-right {
                order: 4;
                padding-top: 10px;
                padding-bottom: 14px;
                flex-wrap: wrap;
                gap: 6px;
            }

            .nav-link {
                padding: 8px 14px;
            }

            .split-card {
                flex-direction: column;
                padding: 28px;
                gap: 28px;
            }

            .split-media {
                flex: 0 0 auto;
                width: 100%;
                min-height: 220px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }

            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .page-hero {
                padding: 64px 0 56px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero p {
                font-size: 16px;
            }

            .section-header h2 {
                font-size: 26px;
            }

            .quick-horizontal {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .quick-horizontal .icon-badge {
                margin-bottom: 16px;
            }

            .step-track {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .cta-panel {
                padding: 44px 20px;
            }

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

        @media (max-width: 576px) {
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .page-hero h1 {
                font-size: 29px;
            }

            .step-track {
                grid-template-columns: 1fr;
            }

            .step-item {
                padding: 28px 20px 22px;
            }

            .split-content h2 {
                font-size: 24px;
            }

            .accordion-title {
                font-size: 15px;
                padding: 18px 16px;
            }

            .accordion-content {
                padding: 16px;
            }

            .btn-primary,
            .btn-ghost {
                height: 44px;
                padding: 0 22px;
                font-size: 14px;
            }

            .footer-bottom {
                padding: 18px 12px;
            }
        }

/* roulang page: category3 */
:root {
            --bg-dark: #0B1424;
            --bg-deep: #111D38;
            --primary: #2E6BFF;
            --cyan: #35D0FF;
            --violet: #8B5CF6;
            --pink: #FF3D7A;
            --success: #2DE1C2;
            --warning: #FFB020;
            --error: #FF6B6B;
            --text-title: #EDF3FF;
            --text-body: #B6C4E0;
            --text-muted: #7E90B5;
            --text-dim: #4B5B7A;
            --glass-bg: rgba(149, 177, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.10);
            --radius-card: 16px;
            --radius-img: 12px;
            --radius-btn: 10px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.28);
            --shadow-hover: 0 16px 48px rgba(46, 107, 255, 0.15);
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding-top: 72px;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
            background:
                radial-gradient(ellipse at 20% 0%, rgba(46, 107, 255, 0.12) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 100%, rgba(139, 92, 246, 0.10) 0%, transparent 50%),
                linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-deep) 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
            z-index: 0;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--cyan);
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            color: var(--text-title);
            font-family: inherit;
            line-height: 1.3;
        }

        h1 {
            font-size: 46px;
            font-weight: 700;
        }

        h2 {
            font-size: 32px;
            font-weight: 700;
        }

        h3 {
            font-size: 22px;
            font-weight: 600;
        }

        p {
            margin: 0;
        }

        .grid-container {
            max-width: 1200px;
        }

        main {
            position: relative;
            z-index: 1;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 72px;
            background: rgba(11, 20, 36, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            white-space: nowrap;
            letter-spacing: 0.5px;
        }

        .logo span {
            color: var(--cyan);
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 8px;
            background: transparent;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            padding: 0;
        }

        .hamburger span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-title);
            border-radius: 2px;
            transition: var(--transition);
        }

        .hamburger:hover {
            border-color: rgba(53, 208, 255, 0.3);
        }

        .nav-center {
            flex: 1;
            display: flex;
            justify-content: center;
            max-width: 520px;
        }

        .search-box {
            width: 100%;
            height: 44px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 999px;
            display: flex;
            align-items: center;
            padding: 0 16px;
            gap: 10px;
            transition: var(--transition);
        }

        .search-box svg {
            width: 18px;
            height: 18px;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            color: var(--text-title);
            font-size: 14px;
        }

        .search-box input::placeholder {
            color: var(--text-dim);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(46, 107, 255, 0.15);
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .nav-link:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link.active {
            background: rgba(46, 107, 255, 0.15);
            color: var(--cyan);
            border-color: rgba(53, 208, 255, 0.25);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            line-height: 1;
            color: #FFFFFF;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            box-shadow: 0 0 14px rgba(53, 208, 255, 0.45);
            color: #FFFFFF;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(53, 208, 255, 0.60);
            color: #FFFFFF;
        }

        .btn-primary:focus {
            outline: 2px solid rgba(53, 208, 255, 0.40);
            outline-offset: 2px;
            color: #FFFFFF;
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.20);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-title);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.10);
            color: #FFFFFF;
        }

        .btn-large {
            height: 56px;
            padding: 0 40px;
            font-size: 16px;
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            white-space: nowrap;
        }

        .badge-done {
            background: rgba(45, 225, 194, 0.12);
            color: var(--success);
            border: 1px solid rgba(45, 225, 194, 0.25);
        }

        .badge-doing {
            background: rgba(255, 176, 32, 0.12);
            color: var(--warning);
            border: 1px solid rgba(255, 176, 32, 0.25);
        }

        .badge-todo {
            background: rgba(123, 144, 181, 0.12);
            color: var(--text-muted);
            border: 1px solid rgba(123, 144, 181, 0.25);
        }

        .badge-info {
            background: rgba(46, 107, 255, 0.12);
            color: var(--cyan);
            border: 1px solid rgba(53, 208, 255, 0.25);
        }

        .badge-warn {
            background: rgba(255, 61, 122, 0.12);
            color: var(--pink);
            border: 1px solid rgba(255, 61, 122, 0.25);
        }

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

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

        .section-head h2 {
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.45;
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 20, 36, 0.94) 20%, rgba(17, 29, 56, 0.75) 60%, rgba(11, 20, 36, 0.88) 100%);
        }

        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 120px 0 80px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 999px;
            background: rgba(46, 107, 255, 0.15);
            border: 1px solid rgba(53, 208, 255, 0.25);
            color: var(--cyan);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            text-shadow: 0 0 12px rgba(53, 208, 255, 0.30);
        }

        .page-banner-content h1 {
            margin-bottom: 16px;
            max-width: 760px;
            text-shadow: 0 0 24px rgba(53, 208, 255, 0.35);
        }

        .page-banner-content .subtitle {
            max-width: 640px;
            color: var(--text-body);
            font-size: 17px;
            line-height: 1.8;
        }

        .banner-art {
            position: absolute;
            right: 8%;
            top: 50%;
            transform: translateY(-50%);
            width: 140px;
            height: 140px;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0.22;
            pointer-events: none;
            z-index: 1;
        }

        .shield-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 2px solid rgba(53, 208, 255, 0.30);
            box-shadow: 0 0 50px rgba(53, 208, 255, 0.15), inset 0 0 50px rgba(53, 208, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 46px;
            color: var(--cyan);
        }

        /* ===== Timeline ===== */
        .timeline-section {
            background: transparent;
        }

        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
            padding: 20px 0 10px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 40px;
            bottom: 40px;
            width: 2px;
            background: linear-gradient(180deg, rgba(46, 107, 255, 0.50), rgba(139, 92, 246, 0.40));
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 76px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-node {
            position: absolute;
            left: 8px;
            top: 8px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(11, 20, 36, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 14px;
            z-index: 1;
            box-shadow: 0 0 16px rgba(53, 208, 255, 0.20);
        }

        .timeline-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }

        .timeline-card:hover {
            border-color: rgba(53, 208, 255, 0.30);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .timeline-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .timeline-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .timeline-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .timeline-card p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.75;
            margin: 0;
        }

        /* ===== Guard Grid ===== */
        .guard-section {
            background: rgba(11, 20, 36, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .guard-grid {
            row-gap: 24px;
        }

        .guard-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 32px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .guard-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(53, 208, 255, 0.40), transparent);
        }

        .guard-card:hover {
            border-color: rgba(53, 208, 255, 0.25);
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .guard-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(46, 107, 255, 0.15);
            border: 1px solid rgba(53, 208, 255, 0.20);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 20px;
            margin-bottom: 18px;
        }

        .guard-card h3 {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .guard-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.70;
            margin: 0;
        }

        /* ===== Checklist ===== */
        .checklist-steps {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .checklist-item {
            display: flex;
            gap: 16px;
            padding: 24px;
            background: rgba(149, 177, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            transition: var(--transition);
        }

        .checklist-item:hover {
            background: rgba(149, 177, 255, 0.08);
            border-color: rgba(53, 208, 255, 0.25);
            transform: translateY(-2px);
        }

        .check-num {
            font-size: 28px;
            font-weight: 700;
            color: rgba(53, 208, 255, 0.40);
            line-height: 1;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
        }

        .check-content h3 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .check-content p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.70;
        }

        .checklist-item:last-child:nth-child(odd) {
            grid-column: span 2;
        }

        /* ===== News List ===== */
        .news-section {
            background: rgba(11, 20, 36, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }

        .news-card {
            display: flex;
            gap: 20px;
            background: rgba(149, 177, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 20px;
            transition: var(--transition);
            align-items: center;
            box-shadow: var(--shadow-card);
        }

        .news-card:hover {
            transform: translateX(4px);
            background: rgba(149, 177, 255, 0.08);
            border-color: rgba(53, 208, 255, 0.20);
            box-shadow: var(--shadow-hover);
        }

        .news-thumb {
            width: 160px;
            height: 100px;
            border-radius: var(--radius-img);
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(135deg, #1D2C4F, rgba(46, 107, 255, 0.30));
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.30s ease;
        }

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

        .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
        }

        .news-body h3 {
            font-size: 18px;
            margin-bottom: 8px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0 0 10px;
            line-height: 1.70;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 14px;
            color: var(--cyan);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-link:hover {
            gap: 10px;
            color: #FFFFFF;
        }

        /* ===== Accordion ===== */
        .faq-section {
            background: transparent;
        }

        .accordion {
            max-width: 860px;
            margin: 0 auto;
            background: transparent;
            border: none;
        }

        .accordion-item {
            background: rgba(149, 177, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: rgba(53, 208, 255, 0.20);
        }

        .accordion-title {
            position: relative;
            padding: 22px 56px 22px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-title);
            background: rgba(149, 177, 255, 0.04);
            border: none;
            line-height: 1.50;
            display: block;
        }

        .accordion-title:hover,
        .accordion-title:focus {
            background: rgba(149, 177, 255, 0.08);
            color: var(--cyan);
        }

        .accordion-title::before,
        .accordion-title::after {
            content: none !important;
        }

        .ai {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(46, 107, 255, 0.12);
            border: 1px solid rgba(53, 208, 255, 0.20);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--cyan);
            font-size: 18px;
            font-style: normal;
            transition: var(--transition);
        }

        .accordion-item.is-active .ai {
            transform: translateY(-50%) rotate(45deg);
            background: rgba(46, 107, 255, 0.25);
        }

        .accordion-content {
            background: rgba(11, 20, 36, 0.30);
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-body);
            font-size: 15px;
            line-height: 1.80;
            padding: 0 24px 24px;
        }

        .accordion-content p {
            margin: 0;
        }

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

        .cta-panel {
            position: relative;
            background: rgba(149, 177, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 24px;
            padding: 64px 48px;
            text-align: center;
            overflow: hidden;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            box-shadow: var(--shadow-card);
        }

        .cta-panel::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(46, 107, 255, 0.15) 0%, transparent 50%, rgba(139, 92, 246, 0.10) 100%);
            pointer-events: none;
        }

        .cta-glow {
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(53, 208, 255, 0.15);
            filter: blur(80px);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }

        .cta-panel h2 {
            position: relative;
            font-size: 32px;
            margin-bottom: 16px;
        }

        .cta-panel p {
            position: relative;
            color: var(--text-muted);
            margin-bottom: 32px;
            font-size: 16px;
        }

        .cta-panel .btn {
            position: relative;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: rgba(8, 16, 30, 0.60);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
            margin-top: 80px;
            position: relative;
            z-index: 1;
        }

        .footer-brand .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 20px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 48px;
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-dim);
            margin: 0;
        }

        /* ===== Focus ===== */
        a:focus-visible,
        button:focus-visible,
        .accordion-title:focus {
            outline: 2px solid rgba(53, 208, 255, 0.50);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .hamburger {
                display: flex;
            }

            .nav-wrapper {
                flex-wrap: wrap;
                padding: 0 16px;
                gap: 12px;
            }

            .nav-center {
                order: 3;
                width: 100%;
                max-width: 100%;
                margin-top: 4px;
            }

            .nav-right {
                position: absolute;
                top: calc(100% + 0px);
                left: 0;
                right: 0;
                background: rgba(11, 20, 36, 0.97);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                display: none;
                box-shadow: 0 16px 40px rgba(0, 0, 0, 0.30);
            }

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

            .nav-link {
                width: 100%;
                justify-content: center;
                padding: 12px 18px;
            }

            body {
                padding-top: 108px;
            }

            .site-header {
                height: auto;
                min-height: 108px;
                padding: 10px 0;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }

            .page-banner {
                min-height: 300px;
            }

            .page-banner-content {
                padding: 100px 0 60px;
            }

            .page-banner-content h1 {
                font-size: 28px;
            }

            .page-banner-content .subtitle {
                font-size: 15px;
            }

            .banner-art {
                display: none;
            }

            .timeline {
                padding-left: 0;
            }

            .timeline-item {
                padding-left: 52px;
            }

            .timeline::before {
                left: 14px;
            }

            .timeline-node {
                left: 0;
                width: 30px;
                height: 30px;
                font-size: 12px;
            }

            .timeline-card {
                padding: 20px;
            }

            .timeline-card h3 {
                font-size: 17px;
            }

            .timeline-card p {
                font-size: 14px;
            }

            .guard-card {
                padding: 24px;
            }

            .guard-card h3 {
                font-size: 18px;
            }

            .checklist-steps {
                grid-template-columns: 1fr;
            }

            .checklist-item:last-child:nth-child(odd) {
                grid-column: span 1;
            }

            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .news-thumb {
                width: 100%;
                height: 180px;
            }

            .news-body h3 {
                white-space: normal;
            }

            .accordion-title {
                padding: 18px 50px 18px 20px;
                font-size: 15px;
            }

            .cta-panel {
                padding: 48px 24px;
            }

            .cta-panel h2 {
                font-size: 24px;
            }
        }

        @media (max-width: 575.98px) {
            .page-banner-content h1 {
                font-size: 24px;
            }

            .banner-tag {
                font-size: 12px;
                padding: 5px 14px;
            }

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

            .btn {
                width: 100%;
                padding: 0 20px;
            }

            .btn-ghost {
                margin-top: 8px;
            }

            .footer-brand p {
                max-width: 100%;
            }
        }