/* roulang page: index */
:root {
            --color-bg: #0A0E12;
            --color-surface: #11161C;
            --color-surface-2: #161D25;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #F5F7FA;
            --color-text-sub: #A8B0B8;
            --color-green: #B7FF00;
            --color-green-bright: #C6FF00;
            --color-orange: #FF5C1A;
            --color-teal: #00E5A8;
            --color-black: #000000;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Rajdhani', 'DIN Condensed', 'Oswald', sans-serif;
            --max-w: 1200px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-green);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all 0.2s ease;
        }

        input {
            font-family: inherit;
            transition: all 0.2s ease;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* 导航 */
        .navbar {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: var(--max-w);
            z-index: 100;
            background: rgba(10, 14, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(10, 14, 18, 0.95);
            border-color: rgba(183, 255, 0, 0.2);
        }

        .navbar .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar .logo .logo-mark {
            color: var(--color-green);
            font-size: 1.5rem;
            line-height: 1;
        }

        .navbar .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar .nav-links-desktop a {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 500;
            position: relative;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
        }

        .navbar .nav-links-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar .nav-links-desktop a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }

        .navbar .nav-cta {
            background: var(--color-green);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .navbar .nav-cta:hover {
            background: var(--color-green-bright);
            transform: translateY(-1px);
            box-shadow: 0 0 16px rgba(183, 255, 0, 0.25);
        }

        .navbar .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
        }

        .navbar .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            display: block;
            transition: all 0.3s ease;
        }

        .navbar .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            background: rgba(10, 14, 18, 0.98);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 16px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            color: var(--color-text-sub);
            font-size: 20px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            font-weight: 500;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.06);
        }

        .mobile-menu .mobile-cta {
            background: var(--color-green);
            color: #000;
            font-weight: 700;
            text-align: center;
            margin-top: 8px;
            font-size: 18px;
        }

        @media (max-width: 768px) {
            .navbar .nav-links-desktop {
                display: none;
            }
            .navbar .hamburger {
                display: flex;
            }
        }

        /* Hero */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding-top: 100px;
            padding-bottom: 60px;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 18, 0.75) 0%, rgba(10, 14, 18, 0.85) 60%, rgba(10, 14, 18, 0.95) 100%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(183, 255, 0, 0.03) 2px, rgba(183, 255, 0, 0.03) 4px);
            z-index: 2;
            pointer-events: none;
        }

        .hero .container {
            position: relative;
            z-index: 3;
        }

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

        .hero-left .hero-tag {
            display: inline-block;
            background: rgba(183, 255, 0, 0.1);
            border: 1px solid rgba(183, 255, 0, 0.3);
            color: var(--color-green);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            letter-spacing: 0.08em;
            margin-bottom: 20px;
        }

        .hero-left h1 {
            font-size: clamp(2.5rem, 5vw, 4.5rem);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 8px;
        }

        .hero-left h1 .highlight {
            color: var(--color-green);
            position: relative;
            display: inline-block;
        }

        .hero-left h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 6px;
            background: var(--color-green);
            border-radius: 4px;
            opacity: 0.5;
        }

        .hero-left .hero-sub {
            color: var(--color-text-sub);
            font-size: 18px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 500px;
        }

        .hero-left .hero-sub strong {
            color: var(--color-orange);
            font-weight: 700;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            background: var(--color-green);
            color: #000;
            font-size: 16px;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--color-green-bright);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(183, 255, 0, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: all 0.25s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-secondary:hover {
            border-color: var(--color-orange);
            color: var(--color-orange);
            background: rgba(255, 92, 26, 0.06);
            transform: translateY(-2px);
        }

        .hero-metrics {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-metrics .metric {
            display: flex;
            flex-direction: column;
        }

        .hero-metrics .metric .num {
            font-family: var(--font-num);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-green);
            line-height: 1.1;
        }

        .hero-metrics .metric .label {
            color: var(--color-text-sub);
            font-size: 13px;
            letter-spacing: 0.04em;
        }

        .hero-right {
            background: rgba(17, 22, 28, 0.85);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
            backdrop-filter: blur(8px);
        }

        .hero-right h2 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .hero-right .form-desc {
            color: var(--color-text-sub);
            font-size: 14px;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            color: var(--color-text-sub);
            font-size: 13px;
            margin-bottom: 6px;
            letter-spacing: 0.04em;
        }

        .form-group input {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: #fff;
            font-size: 15px;
            transition: all 0.2s ease;
        }

        .form-group input::placeholder {
            color: rgba(255, 255, 255, 0.3);
        }

        .form-group input:focus {
            border-color: var(--color-green);
            background: rgba(183, 255, 0, 0.04);
        }

        .form-privacy {
            font-size: 12px;
            color: var(--color-text-sub);
            margin-top: 12px;
            letter-spacing: 0.02em;
        }

        .form-privacy a {
            color: var(--color-green);
            text-decoration: underline;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-right {
                max-width: 500px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding-top: 80px;
                padding-bottom: 40px;
                min-height: auto;
            }
            .hero-left h1 {
                font-size: 2.5rem;
            }
            .hero-metrics {
                gap: 16px;
            }
            .hero-metrics .metric .num {
                font-size: 1.6rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                justify-content: center;
            }
        }

        /* 板块通用 */
        section {
            padding: 100px 0;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section-header .section-tag {
            display: inline-block;
            color: var(--color-green);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-header .section-desc {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            section {
                padding: 64px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* 卖点三连 */
        .selling-points {
            background: var(--color-surface);
        }

        .sp-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
            align-items: start;
        }

        .sp-card {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .sp-card:first-child {
            padding: 36px;
            min-height: 320px;
        }

        .sp-card:nth-child(2) {
            transform: translateY(20px);
        }

        .sp-card:hover {
            transform: translateY(-4px);
            border-color: var(--color-green);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(183, 255, 0, 0.4);
        }

        .sp-card:nth-child(2):hover {
            transform: translateY(16px);
        }

        .sp-card .sp-num {
            font-family: var(--font-num);
            font-size: 3.5rem;
            font-weight: 800;
            color: rgba(183, 255, 0, 0.15);
            position: absolute;
            top: 16px;
            right: 20px;
            line-height: 1;
            pointer-events: none;
        }

        .sp-card .sp-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: rgba(183, 255, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-green);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .sp-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .sp-card p {
            color: var(--color-text-sub);
            font-size: 15px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .sp-card .sp-data {
            font-family: var(--font-num);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-orange);
            margin-bottom: 12px;
        }

        .sp-card .sp-link {
            color: var(--color-green);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.2s ease;
        }

        .sp-card .sp-link:hover {
            color: var(--color-green-bright);
            gap: 10px;
        }

        @media (max-width: 1024px) {
            .sp-grid {
                grid-template-columns: 1fr 1fr;
            }
            .sp-card:nth-child(2) {
                transform: translateY(0);
            }
            .sp-card:nth-child(2):hover {
                transform: translateY(-4px);
            }
        }

        @media (max-width: 768px) {
            .sp-grid {
                grid-template-columns: 1fr;
            }
            .sp-card {
                padding: 24px !important;
                min-height: auto !important;
            }
            .sp-card .sp-num {
                font-size: 2.5rem;
            }
        }

        /* 任务进度 */
        .progress-section {
            background: var(--color-bg);
        }

        .progress-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .progress-item {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .progress-item .step-check {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(183, 255, 0, 0.12);
            border: 2px solid var(--color-green);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-green);
            font-size: 14px;
            flex-shrink: 0;
        }

        .progress-item .step-info h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }

        .progress-item .step-info p {
            font-size: 14px;
            color: var(--color-text-sub);
        }

        .progress-bar-wrap {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
        }

        .progress-bar-wrap .pb-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 16px;
            font-size: 14px;
            color: var(--color-text-sub);
        }

        .progress-bar-wrap .pb-header .pb-num {
            color: var(--color-green);
            font-weight: 700;
        }

        .progress-track {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-full);
            height: 10px;
            overflow: hidden;
            margin-bottom: 20px;
        }

        .progress-fill {
            background: linear-gradient(90deg, var(--color-green), var(--color-orange));
            height: 100%;
            border-radius: var(--radius-full);
            width: 72%;
            transition: width 1s ease;
        }

        .reward-list {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .reward-chip {
            background: rgba(183, 255, 0, 0.08);
            border: 1px solid rgba(183, 255, 0, 0.25);
            color: var(--color-green);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-full);
        }

        @media (max-width: 768px) {
            .progress-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* 场景演示 */
        .scene-section {
            background: var(--color-surface);
        }

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

        .scene-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
        }

        .scene-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }

        .scene-image:hover img {
            transform: scale(1.03);
        }

        .scene-badge {
            position: absolute;
            background: rgba(10, 14, 18, 0.85);
            border: 1px solid rgba(183, 255, 0, 0.4);
            color: var(--color-green);
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            backdrop-filter: blur(6px);
        }

        .scene-badge.b1 {
            top: 20px;
            left: 20px;
        }
        .scene-badge.b2 {
            bottom: 20px;
            right: 20px;
            color: var(--color-orange);
            border-color: rgba(255, 92, 26, 0.4);
        }

        .scene-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }

        .scene-text p {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .scene-list {
            list-style: none;
            margin-top: 20px;
        }

        .scene-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .scene-list li i {
            color: var(--color-green);
            font-size: 16px;
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .scene-image img {
                height: 280px;
            }
        }

        /* 新闻 */
        .news-section {
            background: var(--color-bg);
        }

        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-item {
            display: grid;
            grid-template-columns: 120px 1fr auto;
            gap: 24px;
            padding: 24px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: start;
        }

        .news-date {
            font-family: var(--font-num);
            color: var(--color-green);
            font-size: 15px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .news-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-content p {
            color: var(--color-text-sub);
            font-size: 14px;
            line-height: 1.7;
            max-width: 700px;
        }

        .news-read {
            color: var(--color-orange);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all 0.2s ease;
        }

        .news-read:hover {
            color: #fff;
            gap: 8px;
        }

        @media (max-width: 768px) {
            .news-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 20px 0;
            }
            .news-date {
                font-size: 14px;
            }
            .news-content h4 {
                font-size: 16px;
            }
            .news-read {
                justify-self: end;
            }
        }

        /* 品牌介绍 */
        .about-section {
            background: var(--color-surface);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .about-card {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 36px;
            position: relative;
            overflow: hidden;
        }

        .about-card .about-big-num {
            font-family: var(--font-num);
            font-size: 5rem;
            font-weight: 900;
            color: rgba(183, 255, 0, 0.08);
            position: absolute;
            top: -8px;
            left: 20px;
            line-height: 1;
            pointer-events: none;
        }

        .about-card h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .about-card p {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .about-card .about-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            position: relative;
            z-index: 1;
        }

        .about-card .about-stat {
            font-family: var(--font-num);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-orange);
        }

        .about-card .about-stat-label {
            font-size: 13px;
            color: var(--color-text-sub);
            font-family: var(--font-sans);
        }

        /* 深度内容 */
        .deep-section {
            background: var(--color-bg);
        }

        .deep-wrapper {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 48px;
        }

        .deep-article h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .deep-article h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-green);
            margin-top: 28px;
            margin-bottom: 12px;
        }

        .deep-article p {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 16px;
        }

        .deep-article ul {
            list-style: none;
            padding-left: 0;
            margin-bottom: 16px;
        }

        .deep-article ul li {
            color: var(--color-text-sub);
            font-size: 15px;
            padding-left: 20px;
            position: relative;
            margin-bottom: 8px;
        }

        .deep-article ul li::before {
            content: '›';
            position: absolute;
            left: 0;
            color: var(--color-green);
            font-weight: 700;
        }

        .deep-side {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            align-self: start;
        }

        .deep-side h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .deep-side .table-mini {
            width: 100%;
            border-collapse: collapse;
        }

        .deep-side .table-mini th,
        .deep-side .table-mini td {
            padding: 10px 12px;
            text-align: left;
            font-size: 13px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-sub);
        }

        .deep-side .table-mini th {
            color: var(--color-green);
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .deep-side .table-mini td:last-child {
            color: #fff;
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .deep-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* 版本更新 */
        .changelog-section {
            background: var(--color-surface);
        }

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

        .changelog-item {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 16px;
        }

        .changelog-version {
            background: rgba(183, 255, 0, 0.08);
            border: 1px solid rgba(183, 255, 0, 0.25);
            color: var(--color-green);
            font-family: var(--font-num);
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 13px;
            align-self: start;
        }

        .changelog-body h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .changelog-body p {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(183, 255, 0, 0.4);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            background: transparent;
            width: 100%;
            text-align: left;
            border: none;
            transition: all 0.2s ease;
        }

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

        .faq-question .faq-icon {
            color: var(--color-green);
            font-size: 18px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--color-text-sub);
            font-size: 15px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .faq-question {
                font-size: 15px;
                padding: 16px 20px;
            }
            .faq-answer-inner {
                padding: 0 20px 16px;
                font-size: 14px;
            }
        }

        /* CTA 区域 */
        .cta-section {
            background: var(--color-surface);
        }

        .cta-box {
            background: linear-gradient(135deg, rgba(183, 255, 0, 0.1), rgba(255, 92, 26, 0.08));
            border: 1px solid rgba(183, 255, 0, 0.3);
            border-radius: var(--radius-lg);
            padding: 48px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-box p {
            color: var(--color-text-sub);
            font-size: 16px;
            margin-bottom: 28px;
        }

        .cta-box .btn-primary {
            font-size: 18px;
            padding: 16px 36px;
        }

        /* 底部固定转化条 */
        .fixed-cta {
            position: fixed;
            bottom: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: 700px;
            background: rgba(10, 14, 18, 0.95);
            border: 1px solid rgba(183, 255, 0, 0.4);
            border-radius: var(--radius-full);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            z-index: 90;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }

        .fixed-cta.hidden {
            opacity: 0;
            pointer-events: none;
            transform: translateX(-50%) translateY(80px);
        }

        .fixed-cta p {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            flex: 1;
        }

        .fixed-cta .btn-primary {
            font-size: 14px;
            padding: 10px 20px;
            white-space: nowrap;
        }

        .fixed-cta .close-fixed {
            background: rgba(255, 255, 255, 0.06);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-sub);
            font-size: 16px;
            flex-shrink: 0;
            border: 1px solid var(--color-border);
        }

        .fixed-cta .close-fixed:hover {
            color: var(--color-orange);
            border-color: var(--color-orange);
        }

        @media (max-width: 768px) {
            .fixed-cta {
                bottom: 8px;
                padding: 8px 16px;
                border-radius: var(--radius-lg);
                height: 52px;
            }
            .fixed-cta p {
                font-size: 13px;
                line-height: 1.3;
            }
            .fixed-cta .btn-primary {
                font-size: 13px;
                padding: 8px 16px;
            }
            .fixed-cta .close-fixed {
                width: 32px;
                height: 32px;
                font-size: 14px;
            }
        }

        /* 页脚 */
        .footer {
            background: rgba(10, 14, 18, 0.98);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: var(--color-text-sub);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-green);
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--color-text-sub);
            font-size: 14px;
            padding: 5px 0;
            transition: all 0.2s ease;
        }

        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--color-text-sub);
        }

        .footer-bottom a {
            color: var(--color-text-sub);
            text-decoration: underline;
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-green);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* 滚动动画 */
        .fade-in {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 数字滚动 */
        .counter-num {
            font-family: var(--font-num);
            font-variant-numeric: tabular-nums;
        }

/* roulang page: category2 */
:root {
            --color-bg: #0A0E12;
            --color-surface: #11161C;
            --color-surface-2: #161D25;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #F5F7FA;
            --color-text-sub: #A8B0B8;
            --color-green: #B7FF00;
            --color-green-bright: #C6FF00;
            --color-orange: #FF5C1A;
            --color-teal: #00E5A8;
            --color-black: #000000;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Rajdhani', 'DIN Condensed', 'Oswald', sans-serif;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-green);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all 0.2s ease;
        }
        input {
            font-family: inherit;
            transition: all 0.2s ease;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .navbar {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: var(--max-w);
            z-index: 100;
            background: rgba(10, 14, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(10, 14, 18, 0.95);
            border-color: rgba(183, 255, 0, 0.2);
        }
        .navbar .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar .logo .logo-mark {
            color: var(--color-green);
            font-size: 1.5rem;
            line-height: 1;
        }
        .navbar .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar .nav-links-desktop a {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 500;
            position: relative;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
        }
        .navbar .nav-links-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar .nav-links-desktop a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .navbar .nav-cta {
            background: var(--color-green);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .navbar .nav-cta:hover {
            background: var(--color-green-bright);
            transform: translateY(-1px);
            box-shadow: 0 0 16px rgba(183, 255, 0, 0.25);
        }
        .navbar .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
        }
        .navbar .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            display: block;
            transition: all 0.3s ease;
        }
        .navbar .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            background: rgba(10, 14, 18, 0.98);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 16px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--color-text-sub);
            font-size: 20px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            font-weight: 500;
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .mobile-menu .mobile-cta {
            background: var(--color-green);
            color: #000;
            text-align: center;
            font-weight: 700;
            margin-top: 8px;
            padding: 14px;
        }
        @media (max-width: 900px) {
            .navbar .nav-links-desktop {
                display: none;
            }
            .navbar .nav-cta {
                display: none;
            }
            .navbar .hamburger {
                display: flex;
            }
        }
        .page-hero {
            position: relative;
            min-height: 48vh;
            display: flex;
            align-items: center;
            padding-top: 100px;
            padding-bottom: 60px;
            background: linear-gradient(180deg, rgba(10,14,18,0.9) 0%, rgba(10,14,18,0.75) 50%, var(--color-bg) 100%), url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--color-border);
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-green), transparent);
            opacity: 0.5;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-sub);
            margin-bottom: 16px;
        }
        .page-hero .breadcrumb a {
            color: var(--color-text-sub);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--color-green);
        }
        .page-hero .breadcrumb .sep {
            color: rgba(255,255,255,0.3);
        }
        .page-hero .breadcrumb .current {
            color: var(--color-green);
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 16px;
        }
        .page-hero h1 .highlight {
            color: var(--color-green);
            text-shadow: 0 0 30px rgba(183,255,0,0.3);
        }
        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: var(--color-text-sub);
            max-width: 680px;
            line-height: 1.8;
        }
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin: 32px 0 24px;
        }
        .filter-bar .filter-btn {
            padding: 8px 20px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-sub);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
        }
        .filter-bar .filter-btn:hover {
            color: #fff;
            border-color: rgba(255,255,255,0.2);
        }
        .filter-bar .filter-btn.active {
            color: #000;
            background: var(--color-green);
            border-color: var(--color-green);
            font-weight: 700;
        }
        .hardware-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin: 24px 0 48px;
        }
        @media (max-width: 1024px) {
            .hardware-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .hardware-grid {
                grid-template-columns: 1fr;
            }
        }
        .hardware-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .hardware-card:hover {
            transform: translateY(-4px);
            border-color: rgba(183, 255, 0, 0.3);
            box-shadow: var(--shadow-card), 0 0 0 1px rgba(183,255,0,0.2);
        }
        .hardware-card .card-img {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--color-surface-2);
        }
        .hardware-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .hardware-card:hover .card-img img {
            transform: scale(1.03);
        }
        .hardware-card .card-img .badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(10,14,18,0.85);
            backdrop-filter: blur(4px);
            color: var(--color-green);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            border: 1px solid rgba(183,255,0,0.25);
        }
        .hardware-card .card-body {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hardware-card .card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--color-text);
        }
        .hardware-card .card-body .specs {
            font-size: 13px;
            color: var(--color-text-sub);
            line-height: 1.6;
            margin-bottom: 12px;
            flex: 1;
        }
        .hardware-card .card-body .specs span {
            display: block;
            margin-bottom: 2px;
        }
        .hardware-card .card-body .meta-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--color-text-sub);
            margin-bottom: 12px;
        }
        .hardware-card .card-body .meta-row .rating {
            color: var(--color-orange);
            font-weight: 700;
        }
        .hardware-card .card-body .card-btn {
            display: block;
            width: 100%;
            text-align: center;
            padding: 9px 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 700;
            color: #000;
            background: var(--color-green);
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
        }
        .hardware-card .card-body .card-btn:hover {
            background: var(--color-green-bright);
            box-shadow: 0 0 16px rgba(183,255,0,0.3);
        }
        .compare-section {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            margin: 40px 0;
            overflow-x: auto;
        }
        .compare-section h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .compare-section h2 .accent {
            color: var(--color-green);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 760px;
        }
        .compare-table th {
            background: var(--color-surface-2);
            color: var(--color-text);
            font-weight: 700;
            padding: 12px 14px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
            font-size: 13px;
            letter-spacing: 0.02em;
        }
        .compare-table th:first-child {
            border-top-left-radius: var(--radius-sm);
        }
        .compare-table th:last-child {
            border-top-right-radius: var(--radius-sm);
        }
        .compare-table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-sub);
            font-size: 13px;
        }
        .compare-table tr:hover td {
            background: rgba(255,255,255,0.02);
        }
        .compare-table td:first-child {
            color: var(--color-text);
            font-weight: 600;
            white-space: nowrap;
        }
        .compare-table .highlight-val {
            color: var(--color-green);
            font-weight: 700;
        }
        .compare-table .orange-val {
            color: var(--color-orange);
            font-weight: 700;
        }
        .deep-content {
            margin: 48px 0;
            padding: 40px 32px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
        }
        .deep-content h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .deep-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 24px 0 10px;
            color: var(--color-green);
        }
        .deep-content p {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .deep-content ul {
            margin: 12px 0 16px;
            padding-left: 20px;
            list-style: none;
        }
        .deep-content ul li {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 8px;
            padding-left: 16px;
            position: relative;
        }
        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.7em;
            width: 6px;
            height: 6px;
            background: var(--color-green);
            border-radius: 50%;
        }
        .faq-section {
            margin: 48px 0;
        }
        .faq-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }
        .faq-section h2 .accent {
            color: var(--color-green);
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(183,255,0,0.25);
        }
        .faq-item .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 20px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            transition: color 0.25s ease;
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            color: var(--color-green);
        }
        .faq-item .faq-question .faq-icon {
            font-size: 18px;
            color: var(--color-green);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-item .faq-answer p {
            padding: 0 20px 18px;
            color: var(--color-text-sub);
            font-size: 15px;
            line-height: 1.8;
        }
        .cta-panel {
            background: linear-gradient(135deg, rgba(183,255,0,0.08) 0%, rgba(17,22,28,0.95) 50%, rgba(255,92,26,0.06) 100%);
            border: 1px solid rgba(183,255,0,0.2);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            margin: 48px 0 24px;
            text-align: center;
        }
        .cta-panel h2 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-panel p {
            color: var(--color-text-sub);
            font-size: 16px;
            max-width: 540px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .cta-panel .cta-btn {
            display: inline-block;
            background: var(--color-green);
            color: #000;
            font-size: 16px;
            font-weight: 800;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            transition: all 0.3s ease;
            letter-spacing: 0.03em;
        }
        .cta-panel .cta-btn:hover {
            background: var(--color-green-bright);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(183,255,0,0.3);
        }
        .footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 20px;
            margin-top: 40px;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 28px;
        }
        @media (max-width: 768px) {
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .footer .footer-brand h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .footer .footer-brand p {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-sub);
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer .footer-col a:hover {
            color: var(--color-green);
        }
        .footer .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 13px;
            color: var(--color-text-sub);
            justify-content: space-between;
            align-items: center;
        }
        .footer .footer-bottom a {
            color: var(--color-text-sub);
        }
        .footer .footer-bottom a:hover {
            color: var(--color-green);
        }
        @media (max-width: 640px) {
            .footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .section-title {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            line-height: 1.2;
        }
        .section-title .accent {
            color: var(--color-green);
        }
        .section-sub {
            font-size: 16px;
            color: var(--color-text-sub);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

/* roulang page: category1 */
:root {
            --color-bg: #0A0E12;
            --color-surface: #11161C;
            --color-surface-2: #161D25;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #F5F7FA;
            --color-text-sub: #A8B0B8;
            --color-green: #B7FF00;
            --color-green-bright: #C6FF00;
            --color-orange: #FF5C1A;
            --color-teal: #00E5A8;
            --color-black: #000000;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Rajdhani', 'DIN Condensed', 'Oswald', sans-serif;
            --max-w: 1200px;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-green);
            outline-offset: 2px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all 0.2s ease;
        }

        input {
            font-family: inherit;
            transition: all 0.2s ease;
        }

        .container {
            width: 100%;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

        /* ===== 导航系统 ===== */
        .navbar {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: var(--max-w);
            z-index: 100;
            background: rgba(10, 14, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(10, 14, 18, 0.95);
            border-color: rgba(183, 255, 0, 0.2);
        }

        .navbar .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar .logo .logo-mark {
            color: var(--color-green);
            font-size: 1.5rem;
            line-height: 1;
        }

        .navbar .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .navbar .nav-links-desktop a {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 500;
            position: relative;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .navbar .nav-links-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar .nav-links-desktop a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }

        .navbar .nav-cta {
            background: var(--color-green);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }

        .navbar .nav-cta:hover {
            background: var(--color-green-bright);
            transform: translateY(-1px);
            box-shadow: 0 0 16px rgba(183, 255, 0, 0.25);
        }

        .navbar .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
        }

        .navbar .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            display: block;
            transition: all 0.3s ease;
        }

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

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

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

        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            background: rgba(10, 14, 18, 0.98);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 16px;
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            color: var(--color-text-sub);
            font-size: 20px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .mobile-menu a:hover {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
        }

        .mobile-menu a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }

        .mobile-menu a.mobile-cta {
            background: var(--color-green);
            color: #000;
            font-weight: 700;
            text-align: center;
            margin-top: 8px;
            padding: 14px;
            border-radius: var(--radius-full);
        }

        .mobile-menu a.mobile-cta:hover {
            background: var(--color-green-bright);
            color: #000;
        }

        @media (max-width: 1024px) {
            .navbar .nav-links-desktop {
                display: none;
            }

            .navbar .nav-cta {
                display: none;
            }

            .navbar .hamburger {
                display: flex;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-sub);
            padding: 16px 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-sub);
            transition: color 0.2s ease;
        }

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

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.3);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--color-green);
            font-weight: 600;
        }

        /* ===== 分类页Hero ===== */
        .page-hero {
            position: relative;
            min-height: 45vh;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-image: url('/assets/images/coverpic/cover-1.webp');
            padding-top: 100px;
            padding-bottom: 40px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 18, 0.5) 0%, rgba(10, 14, 18, 0.85) 70%, rgba(10, 14, 18, 0.95) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255, 255, 255, 0.015) 2px, rgba(255, 255, 255, 0.015) 4px);
            z-index: 2;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 3;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 16px;
        }

        .page-hero h1 .highlight {
            color: var(--color-green);
            position: relative;
        }

        .page-hero p {
            font-size: 1.1rem;
            color: var(--color-text-sub);
            max-width: 640px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .page-hero {
                min-height: 38vh;
                padding-top: 90px;
                padding-bottom: 28px;
            }

            .page-hero h1 {
                font-size: 2rem;
            }

            .page-hero p {
                font-size: 1rem;
            }
        }

        /* ===== 筛选标签 ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 0;
            flex-wrap: wrap;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 28px;
        }

        .filter-bar .filter-label {
            font-size: 14px;
            color: var(--color-text-sub);
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-right: 4px;
        }

        .filter-bar .filter-btn {
            padding: 7px 18px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-sub);
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            transition: all 0.25s ease;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .filter-bar .filter-btn:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.2);
            background: var(--color-surface-2);
        }

        .filter-bar .filter-btn.active {
            color: #000;
            background: var(--color-green);
            border-color: var(--color-green);
            box-shadow: 0 0 14px rgba(183, 255, 0, 0.2);
        }

        /* ===== 主体布局 ===== */
        .category-layout {
            display: flex;
            gap: 32px;
            align-items: flex-start;
            padding-bottom: 48px;
        }

        .category-main {
            flex: 1;
            min-width: 0;
        }

        .category-sidebar {
            width: 320px;
            flex-shrink: 0;
            position: sticky;
            top: 100px;
        }

        @media (max-width: 1024px) {
            .category-layout {
                flex-direction: column;
            }

            .category-sidebar {
                width: 100%;
                position: static;
            }
        }

        /* ===== 资讯卡片网格 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        .news-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            cursor: default;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 100%;
            background: var(--color-green);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .news-card:hover {
            border-color: rgba(183, 255, 0, 0.3);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card), 0 0 0 1px rgba(183, 255, 0, 0.12);
        }

        .news-card:hover::before {
            opacity: 1;
        }

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

        .news-card .news-date {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-green);
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }

        .news-card .news-tag {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-orange);
            background: rgba(255, 92, 26, 0.1);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 92, 26, 0.2);
        }

        .news-card .news-tag.pro {
            color: var(--color-teal);
            background: rgba(0, 229, 168, 0.08);
            border-color: rgba(0, 229, 168, 0.2);
        }

        .news-card .news-tag.city {
            color: var(--color-orange);
            background: rgba(255, 92, 26, 0.08);
            border-color: rgba(255, 92, 26, 0.2);
        }

        .news-card .news-tag.online {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
            border-color: rgba(183, 255, 0, 0.2);
        }

        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }

        .news-card .news-summary {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }

        .news-card .news-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }

        .news-card .news-link:hover {
            color: var(--color-green-bright);
            gap: 10px;
        }

        .news-card .news-link i {
            font-size: 12px;
            transition: transform 0.25s ease;
        }

        .news-card .news-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 侧边栏 ===== */
        .sidebar-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            margin-bottom: 20px;
        }

        .sidebar-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.01em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h3 i {
            color: var(--color-green);
            font-size: 1rem;
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all 0.2s ease;
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-list li:hover {
            padding-left: 6px;
        }

        .hot-list .rank {
            font-family: var(--font-num);
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--color-text-sub);
            min-width: 36px;
            text-align: center;
            letter-spacing: 0.02em;
        }

        .hot-list li.top .rank {
            color: var(--color-green);
            font-size: 1.6rem;
        }

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

        .hot-list .hot-name {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .hot-list .hot-stat {
            font-size: 12px;
            color: var(--color-text-sub);
        }

        .hot-list .hot-percent {
            font-family: var(--font-num);
            font-size: 14px;
            font-weight: 700;
            color: var(--color-orange);
            white-space: nowrap;
        }

        .subscribe-box p {
            font-size: 14px;
            color: var(--color-text-sub);
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .subscribe-box .input-group {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
        }

        .subscribe-box input {
            flex: 1;
            padding: 11px 16px;
            border-radius: var(--radius-sm);
            background: var(--color-surface-2);
            border: 1px solid var(--color-border);
            color: #fff;
            font-size: 14px;
            min-width: 0;
            transition: all 0.25s ease;
        }

        .subscribe-box input::placeholder {
            color: rgba(168, 176, 184, 0.5);
        }

        .subscribe-box input:focus {
            border-color: var(--color-green);
            outline: none;
            box-shadow: 0 0 0 2px rgba(183, 255, 0, 0.12);
        }

        .subscribe-box button {
            background: var(--color-green);
            color: #000;
            border-radius: var(--radius-sm);
            padding: 11px 18px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: all 0.25s ease;
        }

        .subscribe-box button:hover {
            background: var(--color-green-bright);
            box-shadow: 0 0 14px rgba(183, 255, 0, 0.2);
        }

        .subscribe-box .sub-note {
            font-size: 12px;
            color: rgba(168, 176, 184, 0.6);
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 48px 0 64px;
        }

        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--color-orange);
            margin-bottom: 8px;
        }

        .section-heading h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            line-height: 1.2;
        }

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

        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(183, 255, 0, 0.15);
        }

        .faq-item.open {
            border-color: rgba(183, 255, 0, 0.25);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 15px;
            color: #fff;
            letter-spacing: 0.01em;
            transition: all 0.2s ease;
            gap: 16px;
            text-align: left;
            width: 100%;
        }

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

        .faq-question .faq-icon {
            font-size: 16px;
            color: var(--color-green);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer p {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            padding: 56px 0;
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

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

        .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.01em;
        }

        .cta-text p {
            font-size: 15px;
            color: var(--color-text-sub);
            margin-top: 8px;
            line-height: 1.7;
        }

        .cta-btn {
            background: var(--color-green);
            color: #000;
            font-size: 16px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            transition: all 0.3s ease;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cta-btn:hover {
            background: var(--color-green-bright);
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(183, 255, 0, 0.25);
        }

        @media (max-width: 768px) {
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        .footer-brand h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

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

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-sub);
            padding: 6px 0;
            transition: all 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(168, 176, 184, 0.6);
        }

        .footer-bottom a {
            color: rgba(168, 176, 184, 0.6);
            transition: color 0.2s ease;
        }

        .footer-bottom a:hover {
            color: var(--color-green);
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        /* ===== 隐藏过滤项 ===== */
        .news-card.hidden {
            display: none;
        }

        /* ===== 无结果提示 ===== */
        .no-results {
            display: none;
            padding: 40px;
            text-align: center;
            background: var(--color-surface);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-lg);
            color: var(--color-text-sub);
            font-size: 15px;
        }

        .no-results.show {
            display: block;
        }

/* roulang page: category4 */
:root {
            --color-bg: #0A0E12;
            --color-surface: #11161C;
            --color-surface-2: #161D25;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #F5F7FA;
            --color-text-sub: #A8B0B8;
            --color-green: #B7FF00;
            --color-green-bright: #C6FF00;
            --color-orange: #FF5C1A;
            --color-teal: #00E5A8;
            --color-black: #000000;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Rajdhani', 'DIN Condensed', 'Oswald', sans-serif;
            --max-w: 1200px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-green);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all 0.2s ease;
        }
        input {
            font-family: inherit;
            transition: all 0.2s ease;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .navbar {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: var(--max-w);
            z-index: 100;
            background: rgba(10, 14, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(10, 14, 18, 0.95);
            border-color: rgba(183, 255, 0, 0.2);
        }
        .navbar .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar .logo .logo-mark {
            color: var(--color-green);
            font-size: 1.5rem;
            line-height: 1;
        }
        .navbar .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar .nav-links-desktop a {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 500;
            position: relative;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
        }
        .navbar .nav-links-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar .nav-links-desktop a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .navbar .nav-cta {
            background: var(--color-green);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .navbar .nav-cta:hover {
            background: var(--color-green-bright);
            transform: translateY(-1px);
            box-shadow: 0 0 16px rgba(183, 255, 0, 0.25);
        }
        .navbar .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
        }
        .navbar .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            display: block;
            transition: all 0.3s ease;
        }
        .navbar .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            background: rgba(10, 14, 18, 0.98);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 16px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--color-text-sub);
            font-size: 20px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .mobile-menu .mobile-cta {
            background: var(--color-green);
            color: #000;
            font-weight: 700;
            text-align: center;
            margin-top: 8px;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-sub);
            padding-top: 120px;
            padding-bottom: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-sub);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-green);
        }
        .breadcrumb .sep {
            color: var(--color-orange);
            font-weight: 600;
        }
        .breadcrumb .current {
            color: var(--color-green);
            font-weight: 600;
        }

        /* 小型 Hero */
        .page-hero {
            min-height: 44vh;
            display: flex;
            align-items: center;
            position: relative;
            background: linear-gradient(135deg, rgba(10,14,18,0.92) 0%, rgba(10,14,18,0.75) 50%, rgba(10,14,18,0.88) 100%), url('/assets/images/coverpic/cover-9.webp') center/cover no-repeat;
            border-radius: 0 0 32px 32px;
            overflow: hidden;
            margin-bottom: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(183,255,0,0.03) 2px, rgba(183,255,0,0.03) 4px);
            pointer-events: none;
        }
        .page-hero .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .page-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(183, 255, 0, 0.12);
            border: 1px solid rgba(183, 255, 0, 0.3);
            color: var(--color-green);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
        }
        .page-hero h1 .highlight {
            color: var(--color-green);
            position: relative;
        }
        .page-hero .hero-sub {
            font-size: 18px;
            color: var(--color-text-sub);
            max-width: 680px;
            line-height: 1.8;
        }

        /* 板块通用 */
        .section {
            padding: 80px 0;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 40px;
            gap: 20px;
            flex-wrap: wrap;
        }
        .section-header .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            position: relative;
            padding-left: 16px;
        }
        .section-header .section-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background: var(--color-green);
            border-radius: 2px;
            transform: skewX(-8deg);
        }
        .section-header .section-desc {
            color: var(--color-text-sub);
            font-size: 15px;
            max-width: 420px;
            text-align: right;
        }

        /* 技术攻略列表 */
        .guide-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .guide-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .guide-card:nth-child(even) {
            transform: translateY(24px);
        }
        .guide-card:hover {
            transform: translateY(-4px);
            border-color: rgba(183, 255, 0, 0.35);
            box-shadow: var(--shadow-card);
        }
        .guide-card:nth-child(even):hover {
            transform: translateY(16px);
            border-color: rgba(183, 255, 0, 0.35);
            box-shadow: var(--shadow-card);
        }
        .guide-card .guide-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .guide-card .guide-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .guide-card:hover .guide-img img {
            transform: scale(1.04);
        }
        .guide-card .guide-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(10, 14, 18, 0.85);
            backdrop-filter: blur(4px);
            color: var(--color-green);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(183, 255, 0, 0.3);
        }
        .guide-card .guide-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .guide-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-orange);
            background: rgba(255, 92, 26, 0.1);
            border: 1px solid rgba(255, 92, 26, 0.25);
            padding: 2px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .guide-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .guide-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-green);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
            align-self: flex-end;
        }
        .guide-card .read-more:hover {
            color: var(--color-green-bright);
            gap: 10px;
        }

        /* 教程步骤区 */
        .steps-section {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 48px 40px;
            margin-top: 60px;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-item {
            position: relative;
            padding: 20px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all 0.3s ease;
            counter-increment: step;
        }
        .step-item:hover {
            border-color: rgba(183, 255, 0, 0.3);
            box-shadow: 0 4px 16px rgba(0,0,0,0.3);
        }
        .step-item .step-num {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 800;
            color: rgba(183, 255, 0, 0.2);
            line-height: 1;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .step-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        /* 术语表 */
        .glossary-section {
            margin-top: 60px;
        }
        .glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .glossary-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all 0.3s ease;
        }
        .glossary-item:hover {
            border-color: rgba(0, 229, 168, 0.35);
        }
        .glossary-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-teal);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .glossary-item h4 i {
            font-size: 13px;
        }
        .glossary-item p {
            font-size: 13px;
            color: var(--color-text-sub);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            padding: 80px 0 40px;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--color-surface-2), var(--color-bg));
            border: 1px solid rgba(183, 255, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            flex-wrap: wrap;
        }
        .cta-box .cta-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-box .cta-text p {
            color: var(--color-text-sub);
            font-size: 15px;
        }
        .cta-box .btn-primary {
            background: var(--color-green);
            color: #000;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            white-space: nowrap;
        }
        .cta-box .btn-primary:hover {
            background: var(--color-green-bright);
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(183, 255, 0, 0.3);
        }

        /* 页脚 */
        .footer {
            background: var(--color-surface);
            border-top: 1px solid var(--color-border);
            padding: 48px 0 24px;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            color: var(--color-text-sub);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--color-text-sub);
            font-size: 14px;
            padding: 4px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--color-green);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            font-size: 12px;
            color: var(--color-text-sub);
        }
        .footer-bottom a {
            color: var(--color-text-sub);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-green);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .navbar .nav-links-desktop {
                display: none;
            }
            .navbar .hamburger {
                display: flex;
            }
            .navbar .nav-cta {
                display: none;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .guide-list {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .guide-card:nth-child(even),
            .guide-card:nth-child(even):hover {
                transform: none;
            }
            .guide-card:hover {
                transform: translateY(-2px);
            }
            .steps-section {
                padding: 28px 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .glossary-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 48px 0;
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-header .section-desc {
                text-align: left;
            }
            .page-hero {
                min-height: 38vh;
            }
            .breadcrumb {
                padding-top: 100px;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }
        @media (max-width: 520px) {
            .navbar {
                padding: 6px 14px;
                top: 10px;
                width: calc(100% - 20px);
            }
            .navbar .logo {
                font-size: 1.1rem;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .guide-card .guide-body {
                padding: 16px 16px 18px;
            }
            .guide-card h3 {
                font-size: 17px;
            }
        }

/* roulang page: category3 */
:root {
            --color-bg: #0A0E12;
            --color-surface: #11161C;
            --color-surface-2: #161D25;
            --color-border: rgba(255, 255, 255, 0.08);
            --color-text: #F5F7FA;
            --color-text-sub: #A8B0B8;
            --color-green: #B7FF00;
            --color-green-bright: #C6FF00;
            --color-orange: #FF5C1A;
            --color-teal: #00E5A8;
            --color-black: #000000;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --font-sans: 'HarmonyOS Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Rajdhani', 'DIN Condensed', 'Oswald', sans-serif;
            --max-w: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-green);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
            transition: all 0.2s ease;
        }
        input {
            font-family: inherit;
            transition: all 0.2s ease;
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* 导航 */
        .navbar {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 32px);
            max-width: var(--max-w);
            z-index: 100;
            background: rgba(10, 14, 18, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            transition: all 0.3s ease;
        }
        .navbar.scrolled {
            background: rgba(10, 14, 18, 0.95);
            border-color: rgba(183, 255, 0, 0.2);
        }
        .navbar .logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .navbar .logo .logo-mark {
            color: var(--color-green);
            font-size: 1.5rem;
            line-height: 1;
        }
        .navbar .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .navbar .nav-links-desktop a {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 500;
            position: relative;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
        }
        .navbar .nav-links-desktop a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar .nav-links-desktop a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .navbar .nav-cta {
            background: var(--color-green);
            color: #000;
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .navbar .nav-cta:hover {
            background: var(--color-green-bright);
            transform: translateY(-1px);
            box-shadow: 0 0 16px rgba(183, 255, 0, 0.25);
        }
        .navbar .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--color-border);
        }
        .navbar .hamburger span {
            width: 20px;
            height: 2px;
            background: #fff;
            display: block;
            transition: all 0.3s ease;
        }
        .navbar .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .navbar .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .mobile-menu {
            position: fixed;
            top: 72px;
            left: 16px;
            right: 16px;
            background: rgba(10, 14, 18, 0.98);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            z-index: 99;
            display: none;
            flex-direction: column;
            padding: 16px;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu a {
            color: var(--color-text-sub);
            font-size: 20px;
            padding: 14px 12px;
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
        }
        .mobile-menu a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a.active {
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.08);
        }
        .mobile-menu a.mobile-cta {
            background: var(--color-green);
            color: #000;
            font-weight: 700;
            text-align: center;
            margin-top: 8px;
        }
        @media (max-width: 900px) {
            .navbar .nav-links-desktop {
                display: none;
            }
            .navbar .nav-cta {
                display: none;
            }
            .navbar .hamburger {
                display: flex;
            }
        }

        /* Hero 分类页小型Hero */
        .category-hero {
            position: relative;
            min-height: 46vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding-top: 100px;
            padding-bottom: 60px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 18, 0.75) 0%, rgba(10, 14, 18, 0.9) 100%);
            z-index: 1;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.4rem);
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 16px;
        }
        .category-hero h1 .highlight-green {
            color: var(--color-green);
        }
        .category-hero p {
            font-size: 1.15rem;
            color: var(--color-text-sub);
            max-width: 640px;
            line-height: 1.8;
        }

        /* 面包屑 */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-sub);
            padding: 20px 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-sub);
            transition: color 0.2s ease;
        }
        .breadcrumb a:hover {
            color: var(--color-green);
        }
        .breadcrumb .separator {
            color: var(--color-border);
        }
        .breadcrumb .current {
            color: var(--color-green);
            font-weight: 600;
        }

        /* 区块标题 */
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            letter-spacing: -0.01em;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .section-title::before {
            content: '';
            width: 4px;
            height: 28px;
            background: var(--color-green);
            border-radius: 2px;
            flex-shrink: 0;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-sub);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.7;
        }

        /* 战队横向卡片 */
        .team-card {
            display: flex;
            gap: 20px;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all 0.3s ease;
            align-items: flex-start;
        }
        .team-card:hover {
            border-color: rgba(183, 255, 0, 0.3);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .team-card .team-img {
            width: 120px;
            height: 100px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--color-surface-2);
        }
        .team-card .team-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .team-card .team-info {
            flex: 1;
            min-width: 0;
        }
        .team-card .team-name {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: 0.01em;
        }
        .team-card .team-meta {
            font-size: 13px;
            color: var(--color-text-sub);
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }
        .team-card .team-meta .badge {
            display: inline-block;
            background: rgba(183, 255, 0, 0.1);
            color: var(--color-green);
            padding: 2px 10px;
            border-radius: var(--radius-full);
            font-size: 12px;
            font-weight: 600;
        }
        .team-card .team-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
            color: var(--color-text-sub);
        }
        .team-card .team-stats .stat-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .team-card .team-stats .stat-value {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-green);
        }
        .team-card .team-btn {
            margin-top: 12px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-green);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all 0.25s ease;
        }
        .team-card .team-btn:hover {
            color: var(--color-green-bright);
            gap: 10px;
        }

        /* 排名表 */
        .ranking-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .ranking-table {
            width: 100%;
            min-width: 700px;
            border-collapse: collapse;
            background: var(--color-surface);
        }
        .ranking-table th {
            background: var(--color-surface-2);
            color: var(--color-text-sub);
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 14px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
            white-space: nowrap;
        }
        .ranking-table td {
            padding: 14px 16px;
            font-size: 14px;
            color: var(--color-text);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            white-space: nowrap;
        }
        .ranking-table tr:hover td {
            background: rgba(183, 255, 0, 0.04);
        }
        .ranking-table .rank-num {
            font-family: var(--font-num);
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-orange);
        }
        .ranking-table .win-rate {
            font-family: var(--font-num);
            font-weight: 700;
            color: var(--color-green);
        }

        /* 深度内容 */
        .deep-content {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 40px;
        }
        .deep-content h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-top: 28px;
            margin-bottom: 12px;
        }
        .deep-content h3:first-child {
            margin-top: 0;
        }
        .deep-content p {
            color: var(--color-text-sub);
            font-size: 16px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }
        .deep-content ul li {
            color: var(--color-text-sub);
            font-size: 15px;
            padding: 6px 0 6px 24px;
            position: relative;
        }
        .deep-content ul li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--color-green);
            font-weight: 700;
        }

        /* FAQ */
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: rgba(183, 255, 0, 0.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            text-align: left;
            transition: all 0.25s ease;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 1.2rem;
            color: var(--color-green);
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--color-text-sub);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 18px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-surface) 0%, #1a2027 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(183, 255, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: var(--color-text-sub);
            font-size: 1rem;
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-green);
            color: #000;
            font-size: 15px;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
        }
        .btn-primary:hover {
            background: var(--color-green-bright);
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(183, 255, 0, 0.3);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all 0.25s ease;
        }
        .btn-secondary:hover {
            border-color: var(--color-green);
            color: var(--color-green);
            background: rgba(183, 255, 0, 0.06);
        }

        /* 底部固定转化条 */
        .sticky-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(10, 14, 18, 0.95);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-top: 1px solid var(--color-border);
            z-index: 90;
            padding: 10px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all 0.4s ease;
            min-height: 56px;
        }
        .sticky-bar.hidden {
            transform: translateY(100%);
        }
        .sticky-bar p {
            font-size: 14px;
            color: var(--color-text-sub);
            margin: 0;
            flex: 1;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .sticky-bar .sticky-btn {
            flex-shrink: 0;
            background: var(--color-green);
            color: #000;
            font-size: 13px;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
        }
        .sticky-bar .sticky-btn:hover {
            background: var(--color-green-bright);
        }
        .sticky-bar .sticky-close {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--color-text-sub);
            font-size: 1.1rem;
            transition: all 0.25s ease;
        }
        .sticky-bar .sticky-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 640px) {
            .sticky-bar {
                padding: 8px 16px;
                min-height: 52px;
            }
            .sticky-bar p {
                font-size: 12px;
            }
            .sticky-bar .sticky-btn {
                font-size: 12px;
                padding: 6px 14px;
            }
            .sticky-bar .sticky-close {
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
        }

        /* 页脚 */
        .footer {
            background: #080B0F;
            border-top: 1px solid var(--color-border);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand p {
            color: var(--color-text-sub);
            font-size: 14px;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }
        .footer-col a {
            display: block;
            color: var(--color-text-sub);
            font-size: 14px;
            padding: 4px 0;
            transition: all 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--color-green);
        }
        .footer-bottom {
            border-top: 1px solid var(--color-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--color-text-sub);
        }
        .footer-bottom a {
            color: var(--color-text-sub);
            transition: color 0.2s ease;
        }
        .footer-bottom a:hover {
            color: var(--color-green);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* 滚动渐入 */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }