/* roulang page: index */
:root {
        --bg-base: #0E1420;
        --bg-deep: #0A0E16;
        --bg-glass: rgba(255, 255, 255, 0.06);
        --bg-glass-hover: rgba(255, 255, 255, 0.10);
        --blue: #3D7BFF;
        --orange: #FF7A1A;
        --red: #FF3B3B;
        --text-1: rgba(255, 255, 255, 0.92);
        --text-2: rgba(255, 255, 255, 0.70);
        --text-3: rgba(255, 255, 255, 0.50);
        --border-glass: rgba(255, 255, 255, 0.12);
        --border-light: rgba(255, 255, 255, 0.10);
        --border-highlight: rgba(255, 122, 26, 0.5);
        --cta-grad: linear-gradient(135deg, #FF8E2E 0%, #FF5F00 100%);
        --blue-grad: linear-gradient(135deg, #3D7BFF 0%, #7C6CFF 100%);
        --radius-panel: 24px;
        --radius-card: 18px;
        --radius-btn: 999px;
        --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.24);
        --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.4);
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --container-w: 1240px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--bg-base);
        color: var(--text-1);
        font-size: 16px;
        line-height: 1.8;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition), border-color var(--transition), background-color var(--transition);
    }
    button {
        font-family: inherit;
        cursor: pointer;
        border: none;
        background: none;
        color: inherit;
        transition: transform var(--transition), box-shadow var(--transition), background-color var(--transition), border-color var(--transition);
    }
    input,
    textarea {
        font-family: inherit;
    }
    ul,
    ol {
        list-style: none;
    }
    .container {
        max-width: var(--container-w);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section {
        padding: 96px 0;
        position: relative;
    }
    .section-head {
        margin-bottom: 48px;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .section-head h2 {
        font-size: 32px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.5px;
        position: relative;
        padding-left: 18px;
    }
    .section-head h2::before {
        content: "";
        position: absolute;
        left: 0;
        top: 6px;
        bottom: 6px;
        width: 4px;
        border-radius: 4px;
        background: var(--cta-grad);
    }
    .section-head p {
        color: var(--text-2);
        font-size: 15px;
    }
    .section-head .text-link {
        font-size: 14px;
        color: var(--orange);
        border-bottom: 1px solid transparent;
        padding-bottom: 2px;
    }
    .section-head .text-link:hover {
        border-bottom-color: var(--orange);
    }
    .glass-card {
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-card);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        box-shadow: var(--shadow-card);
        transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition), background var(--transition);
    }
    .glass-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(255, 255, 255, 0.2);
        background: var(--bg-glass-hover);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 32px;
        border-radius: var(--radius-btn);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.4;
        transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition);
        white-space: nowrap;
    }
    .btn i {
        font-size: 14px;
    }
    .btn-primary {
        background: var(--cta-grad);
        color: #fff;
        box-shadow: 0 0 20px rgba(255, 122, 26, 0.35);
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 30px rgba(255, 122, 26, 0.55);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    .btn-secondary {
        background: var(--bg-glass);
        border: 1px solid rgba(61, 123, 255, 0.6);
        color: var(--text-1);
        box-shadow: 0 0 18px rgba(61, 123, 255, 0.2);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    .btn-secondary:hover {
        border-color: var(--blue);
        box-shadow: 0 0 26px rgba(61, 123, 255, 0.4);
        transform: translateY(-2px);
        background: rgba(61, 123, 255, 0.1);
    }
    .btn-ghost {
        background: transparent;
        border: 1px solid var(--border-glass);
        color: var(--text-2);
        padding: 10px 24px;
        font-size: 14px;
    }
    .btn-ghost:hover {
        border-color: var(--border-highlight);
        color: var(--orange);
        background: rgba(255, 122, 26, 0.06);
    }
    .btn-sm {
        padding: 10px 24px;
        font-size: 14px;
    }
    .btn-block {
        width: 100%;
    }
    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--orange);
        font-size: 14px;
        font-weight: 500;
        transition: gap var(--transition);
    }
    .text-link:hover {
        gap: 10px;
    }
    .tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 6px;
        font-size: 12px;
        letter-spacing: 0.3px;
        font-weight: 500;
    }
    .tag-orange {
        color: var(--orange);
        border: 1px solid rgba(255, 122, 26, 0.4);
        background: rgba(255, 122, 26, 0.08);
    }
    .tag-blue {
        color: #5e9bff;
        border: 1px solid rgba(61, 123, 255, 0.4);
        background: rgba(61, 123, 255, 0.1);
    }
    .tag-red {
        color: #fff;
        background: var(--red);
        border: none;
    }
    .tag-gray {
        color: var(--text-2);
        border: 1px solid var(--border-glass);
        background: rgba(255, 255, 255, 0.03);
    }
    .pre-nav {
        height: 32px;
        background: rgba(0, 0, 0, 0.3);
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        display: flex;
        align-items: center;
    }
    .pre-nav-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 16px;
    }
    .pre-nav-inner>span {
        font-size: 12px;
        color: var(--text-3);
    }
    .pre-nav-links {
        display: flex;
        gap: 24px;
    }
    .pre-nav-links .pre-nav-link {
        font-size: 12px;
        color: var(--text-3);
        cursor: pointer;
        transition: color var(--transition);
    }
    .pre-nav-links .pre-nav-link:hover {
        color: var(--text-1);
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(10, 14, 22, 0.8);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        transition: box-shadow var(--transition), border-color var(--transition);
        border-bottom: 1px solid transparent;
    }
    .site-header.scrolled {
        box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
        border-bottom-color: rgba(255, 255, 255, 0.06);
    }
    .brand-row {
        height: 72px;
        display: flex;
        align-items: center;
    }
    .brand-row-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        gap: 20px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .logo-mark {
        width: 44px;
        height: 44px;
        border-radius: 14px;
        background: var(--cta-grad);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        font-weight: 900;
        color: #fff;
        box-shadow: 0 4px 16px rgba(255, 122, 26, 0.35);
    }
    .logo-text {
        font-size: 24px;
        font-weight: 800;
        color: var(--text-1);
        letter-spacing: -0.5px;
        line-height: 1.2;
    }
    .logo-text span {
        color: var(--orange);
    }
    .brand-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }
    .menu-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        border-radius: 2px;
        background: var(--text-1);
        transition: transform var(--transition), opacity var(--transition);
    }
    .channel-row {
        height: 48px;
        border-top: 1px solid rgba(255, 255, 255, 0.04);
        display: flex;
        align-items: center;
    }
    .channel-nav {
        display: flex;
        align-items: center;
        gap: 10px;
        overflow-x: auto;
        scrollbar-width: none;
        white-space: nowrap;
        width: 100%;
    }
    .channel-nav::-webkit-scrollbar {
        display: none;
    }
    .channel-link {
        padding: 8px 20px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-2);
        transition: all var(--transition);
        border: 1px solid transparent;
    }
    .channel-link:hover {
        background: rgba(255, 255, 255, 0.08);
        color: var(--text-1);
    }
    .channel-link.active {
        color: var(--orange);
        background: rgba(255, 122, 26, 0.16);
        border-color: rgba(255, 122, 26, 0.25);
        font-weight: 600;
    }
    .mobile-drawer {
        position: fixed;
        inset: 0;
        z-index: 200;
        visibility: hidden;
        pointer-events: none;
    }
    .mobile-drawer.open {
        visibility: visible;
        pointer-events: auto;
    }
    .drawer-overlay {
        position: absolute;
        inset: 0;
        background: rgba(0, 0, 0, 0.55);
        opacity: 0;
        transition: opacity var(--transition);
    }
    .mobile-drawer.open .drawer-overlay {
        opacity: 1;
    }
    .drawer-panel {
        position: absolute;
        top: 0;
        left: 0;
        width: 300px;
        height: 100%;
        background: #121a2b;
        border-right: 1px solid var(--border-glass);
        padding: 24px;
        transform: translateX(-100%);
        transition: transform var(--transition);
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .mobile-drawer.open .drawer-panel {
        transform: translateX(0);
    }
    .drawer-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    .drawer-logo {
        font-size: 20px;
        font-weight: 800;
        color: var(--text-1);
    }
    .drawer-logo span {
        color: var(--orange);
    }
    .drawer-close {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        font-size: 18px;
        color: var(--text-2);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .drawer-close:hover {
        color: var(--text-1);
        border-color: var(--border-highlight);
    }
    .drawer-nav {
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .drawer-link {
        padding: 14px 18px;
        border-radius: 12px;
        font-size: 16px;
        font-weight: 500;
        color: var(--text-2);
        transition: all var(--transition);
    }
    .drawer-link:hover {
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-1);
    }
    .drawer-link.active {
        color: var(--orange);
        background: rgba(255, 122, 26, 0.12);
    }
    .hero {
        position: relative;
        padding: 80px 0 64px;
        min-height: 640px;
        display: flex;
        align-items: center;
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        z-index: 0;
    }
    .hero-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(10, 14, 22, 0.92) 0%, rgba(10, 14, 22, 0.72) 45%, rgba(10, 14, 22, 0.35) 100%);
        z-index: 1;
    }
    .hero-inner {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 48px;
    }
    .hero-content {
        max-width: 560px;
        flex: 1;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--orange);
        border: 1px solid rgba(255, 122, 26, 0.35);
        background: rgba(255, 122, 26, 0.08);
        margin-bottom: 24px;
    }
    .hero-badge i {
        font-size: 12px;
    }
    .hero-content h1 {
        font-size: clamp(36px, 5vw, 56px);
        font-weight: 900;
        line-height: 1.15;
        letter-spacing: -1px;
        color: var(--text-1);
        margin-bottom: 16px;
    }
    .hero-content h1 span {
        color: var(--orange);
    }
    .hero-sub {
        font-size: 18px;
        color: var(--text-2);
        line-height: 1.7;
        margin-bottom: 32px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .hero-visual {
        flex: 1;
        max-width: 480px;
        position: relative;
    }
    .hero-visual .hero-card {
        border-radius: var(--radius-panel);
        overflow: hidden;
        border: 1px solid var(--border-glass);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
        background: var(--bg-deep);
    }
    .hero-visual .hero-card img {
        width: 100%;
        object-fit: cover;
        min-height: 320px;
    }
    .hero-visual::before {
        content: "";
        position: absolute;
        inset: -24px -24px auto auto;
        width: 160px;
        height: 160px;
        border-radius: 50%;
        border: 2px dashed rgba(255, 122, 26, 0.35);
        animation: rotateSlow 40s linear infinite;
        z-index: -1;
    }
    @keyframes rotateSlow {
        to {
            transform: rotate(360deg);
        }
    }
    .hero-stats {
        position: relative;
        z-index: 2;
        margin-top: 48px;
        display: flex;
        align-items: stretch;
        padding: 0;
        border-radius: var(--radius-card);
        overflow: hidden;
    }
    .hero-stats .stat-item {
        flex: 1;
        padding: 28px 32px;
        text-align: center;
        border-right: 1px solid rgba(255, 255, 255, 0.06);
        display: flex;
        flex-direction: column;
        gap: 4px;
        justify-content: center;
        transition: background var(--transition);
    }
    .hero-stats .stat-item:last-child {
        border-right: none;
    }
    .hero-stats .stat-item:hover {
        background: rgba(255, 122, 26, 0.04);
    }
    .stat-num {
        font-size: 40px;
        font-weight: 800;
        color: var(--orange);
        font-family: "DIN Alternate", "PingFang SC", sans-serif;
        font-feature-settings: "tnum";
        line-height: 1.2;
    }
    .stat-label {
        font-size: 14px;
        color: var(--text-3);
    }
    .value-prop {
        background: var(--bg-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .value-grid {
        display: grid;
        grid-template-columns: 0.85fr 1.6fr;
        gap: 60px;
        align-items: center;
    }
    .value-heading h2 {
        font-size: 36px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: -0.5px;
        margin-bottom: 16px;
    }
    .value-heading p {
        color: var(--text-3);
        font-size: 15px;
        max-width: 260px;
    }
    .value-items {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .value-item {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        padding: 24px;
        border-radius: var(--radius-card);
        background: rgba(255, 255, 255, 0.03);
        border: 1px solid rgba(255, 255, 255, 0.05);
        transition: all var(--transition);
    }
    .value-item:hover {
        background: rgba(255, 255, 255, 0.06);
        border-color: rgba(255, 122, 26, 0.25);
        transform: translateX(6px);
    }
    .value-icon {
        width: 52px;
        height: 52px;
        flex-shrink: 0;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        background: rgba(255, 122, 26, 0.12);
        color: var(--orange);
        border: 1px solid rgba(255, 122, 26, 0.25);
    }
    .value-item:nth-child(2) .value-icon {
        background: rgba(61, 123, 255, 0.1);
        color: var(--blue);
        border-color: rgba(61, 123, 255, 0.25);
    }
    .value-item:nth-child(3) .value-icon {
        background: rgba(124, 108, 255, 0.1);
        color: #9b8cff;
        border-color: rgba(124, 108, 255, 0.25);
    }
    .value-item h3 {
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--text-1);
    }
    .value-item p {
        font-size: 15px;
        color: var(--text-2);
        line-height: 1.7;
    }
    .features {
        position: relative;
    }
    .features-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .feature-card {
        padding: 28px 24px;
        display: flex;
        flex-direction: column;
        gap: 16px;
        position: relative;
        overflow: hidden;
    }
    .feature-card::after {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(255, 122, 26, 0.08) 0%, transparent 70%);
        opacity: 0;
        transition: opacity var(--transition);
    }
    .feature-card:hover::after {
        opacity: 1;
    }
    .feature-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        background: rgba(255, 122, 26, 0.1);
        color: var(--orange);
        border: 1px solid rgba(255, 122, 26, 0.2);
        transition: all var(--transition);
    }
    .feature-card:nth-child(2n) .feature-icon {
        background: rgba(61, 123, 255, 0.1);
        color: var(--blue);
        border-color: rgba(61, 123, 255, 0.25);
    }
    .feature-card:nth-child(3n) .feature-icon {
        background: rgba(124, 108, 255, 0.1);
        color: #9b8cff;
        border-color: rgba(124, 108, 255, 0.25);
    }
    .feature-card:hover .feature-icon {
        transform: scale(1.08);
    }
    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-1);
    }
    .feature-card p {
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.7;
        flex: 1;
    }
    .scenes {
        background: var(--bg-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .scene-list {
        display: flex;
        flex-direction: column;
        gap: 32px;
    }
    .scene-card {
        display: flex;
        align-items: center;
        gap: 0;
        overflow: hidden;
        background: var(--bg-glass);
    }
    .scene-card.reverse {
        flex-direction: row-reverse;
    }
    .scene-media {
        flex: 1.1;
        min-height: 300px;
        overflow: hidden;
        position: relative;
    }
    .scene-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        position: absolute;
        inset: 0;
        transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .scene-card:hover .scene-media img {
        transform: scale(1.03);
    }
    .scene-body {
        flex: 1;
        padding: 48px;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .scene-tag {
        font-size: 13px;
        color: var(--orange);
        font-weight: 600;
        letter-spacing: 0.5px;
    }
    .scene-body h3 {
        font-size: 24px;
        font-weight: 800;
        color: var(--text-1);
    }
    .scene-body p {
        font-size: 15px;
        color: var(--text-2);
        line-height: 1.8;
    }
    .scene-body .text-link {
        margin-top: 8px;
    }
    .achievement-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .achievement-grid .glass-card {
        padding: 40px;
    }
    .timeline-title,
    .honor-title {
        font-size: 22px;
        font-weight: 700;
        color: var(--text-1);
        margin-bottom: 28px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .timeline-title i,
    .honor-title i {
        color: var(--orange);
        font-size: 20px;
    }
    .timeline-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .timeline-item {
        position: relative;
        padding-left: 32px;
        padding-bottom: 28px;
    }
    .timeline-item:last-child {
        padding-bottom: 0;
    }
    .timeline-item::before {
        content: "";
        position: absolute;
        left: 8px;
        top: 8px;
        bottom: 0;
        width: 2px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 2px;
    }
    .timeline-item:last-child::before {
        display: none;
    }
    .timeline-dot {
        position: absolute;
        left: 0;
        top: 7px;
        width: 18px;
        height: 18px;
        border-radius: 50%;
        background: var(--bg-deep);
        border: 3px solid var(--orange);
        box-shadow: 0 0 12px rgba(255, 122, 26, 0.4);
        z-index: 1;
    }
    .timeline-content h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-1);
        margin-bottom: 4px;
    }
    .timeline-content p {
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.7;
    }
    .honor-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .honor-badge {
        aspect-ratio: 1.15;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-3);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: all 0.4s ease;
        padding: 12px;
        line-height: 1.5;
    }
    .honor-badge:hover {
        background: rgba(255, 122, 26, 0.12);
        border-color: rgba(255, 122, 26, 0.4);
        color: var(--orange);
        transform: translateY(-3px);
        box-shadow: 0 8px 24px rgba(255, 122, 26, 0.1);
    }
    .pricing {
        background: var(--bg-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .pricing-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        align-items: stretch;
    }
    .price-card {
        padding: 40px 32px;
        display: flex;
        flex-direction: column;
        gap: 20px;
        position: relative;
        background: var(--bg-glass);
    }
    .price-card.featured {
        border-color: rgba(255, 122, 26, 0.45);
        background: linear-gradient(180deg, rgba(255, 122, 26, 0.08), rgba(255, 255, 255, 0.04));
        transform: translateY(-16px);
        box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35), 0 0 30px rgba(255, 122, 26, 0.08);
    }
    .price-card.featured:hover {
        transform: translateY(-20px);
    }
    .recommend-badge {
        position: absolute;
        top: -14px;
        left: 32px;
        background: var(--cta-grad);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 6px 16px;
        border-radius: 999px;
        box-shadow: 0 4px 14px rgba(255, 122, 26, 0.4);
        letter-spacing: 1px;
    }
    .plan-name {
        font-size: 20px;
        font-weight: 700;
        color: var(--text-1);
    }
    .plan-price {
        display: flex;
        align-items: baseline;
        gap: 6px;
    }
    .plan-price .currency {
        font-size: 20px;
        font-weight: 600;
        color: var(--text-2);
    }
    .plan-price .amount {
        font-size: 52px;
        font-weight: 900;
        color: var(--text-1);
        font-family: "DIN Alternate", sans-serif;
        letter-spacing: -2px;
        line-height: 1.1;
    }
    .plan-price .period {
        font-size: 14px;
        color: var(--text-3);
    }
    .plan-features {
        display: flex;
        flex-direction: column;
        gap: 12px;
        flex: 1;
    }
    .plan-features li {
        display: flex;
        align-items: flex-start;
        gap: 10px;
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.6;
    }
    .plan-features li i {
        color: var(--orange);
        font-size: 13px;
        margin-top: 5px;
    }
    .price-card .btn {
        margin-top: 8px;
    }
    .featured .btn-primary {
        box-shadow: 0 0 28px rgba(255, 122, 26, 0.5);
    }
    .news-section {
        position: relative;
    }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .news-card {
        padding: 28px 28px 24px;
        display: flex;
        flex-direction: column;
        gap: 12px;
        overflow: hidden;
        position: relative;
        background: var(--bg-glass);
    }
    .news-card-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .news-cat {
        font-size: 13px;
        font-weight: 600;
        color: var(--orange);
        padding: 4px 12px;
        border-radius: 6px;
        background: rgba(255, 122, 26, 0.1);
        border: 1px solid rgba(255, 122, 26, 0.25);
    }
    .news-time {
        font-size: 13px;
        color: var(--text-3);
        white-space: nowrap;
    }
    .news-title {
        font-size: 18px;
        font-weight: 700;
        line-height: 1.5;
        color: var(--text-1);
        transition: color var(--transition);
    }
    .news-title a:hover {
        color: var(--orange);
    }
    .news-excerpt {
        font-size: 14px;
        color: var(--text-2);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
    }
    .news-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 500;
        color: var(--orange);
        transition: gap var(--transition);
    }
    .news-more:hover {
        gap: 10px;
    }
    .news-empty {
        grid-column: 1 / -1;
        padding: 64px 40px;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 16px;
        background: var(--bg-glass);
        border: 1px dashed rgba(255, 255, 255, 0.2);
    }
    .news-empty .empty-icon {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
        color: var(--orange);
        background: rgba(255, 122, 26, 0.1);
        border: 2px dashed rgba(255, 122, 26, 0.4);
        margin-bottom: 4px;
    }
    .news-empty p {
        color: var(--text-2);
        font-size: 16px;
    }
    .news-empty .btn {
        margin-top: 8px;
    }
    .faq-section {
        background: var(--bg-deep);
        border-top: 1px solid rgba(255, 255, 255, 0.03);
        border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    }
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        background: rgba(255, 255, 255, 0.01);
    }
    .faq-item:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .faq-question {
        width: 100%;
        padding: 22px 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        text-align: left;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-1);
        transition: color var(--transition), background var(--transition);
        border-radius: 0;
    }
    .faq-question:hover {
        color: var(--orange);
    }
    .faq-icon {
        width: 28px;
        height: 28px;
        flex-shrink: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--text-2);
        transition: all var(--transition);
    }
    .faq-item.active .faq-icon {
        background: var(--cta-grad);
        color: #fff;
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
        padding: 0 20px;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 20px 22px;
    }
    .faq-answer p {
        font-size: 15px;
        color: var(--text-2);
        line-height: 1.8;
        border-left: 3px solid var(--orange);
        padding-left: 16px;
        background: rgba(255, 122, 26, 0.04);
        border-radius: 0 8px 8px 0;
        padding-top: 12px;
        padding-bottom: 12px;
    }
    .cta-band {
        position: relative;
        padding: 100px 0;
        text-align: center;
        overflow: hidden;
    }
    .cta-band-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        z-index: 0;
    }
    .cta-band-overlay {
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(10, 14, 22, 0.9) 0%, rgba(10, 14, 22, 0.78) 100%);
        z-index: 1;
    }
    .cta-band .container {
        position: relative;
        z-index: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 28px;
    }
    .cta-band h2 {
        font-size: clamp(28px, 4vw, 44px);
        font-weight: 900;
        line-height: 1.3;
        max-width: 640px;
        letter-spacing: -0.5px;
        color: var(--text-1);
    }
    .cta-band h2 span {
        color: var(--orange);
    }
    .cta-band .btn {
        font-size: 17px;
        padding: 16px 44px;
    }
    .site-footer {
        background: #080C16;
        padding-top: 64px;
        position: relative;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 48px;
    }
    .footer-brand .brand-logo {
        margin-bottom: 16px;
    }
    .footer-brand p {
        font-size: 14px;
        color: var(--text-3);
        line-height: 1.8;
        max-width: 320px;
        margin-top: 16px;
    }
    .footer-social {
        display: flex;
        gap: 12px;
        margin-top: 20px;
    }
    .footer-social .social-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: var(--bg-glass);
        border: 1px solid var(--border-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-2);
        font-size: 16px;
        transition: all var(--transition);
        cursor: pointer;
    }
    .footer-social .social-icon:hover {
        color: var(--orange);
        border-color: var(--border-highlight);
        transform: translateY(-2px);
        background: rgba(255, 122, 26, 0.08);
    }
    .footer-col h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--text-1);
        margin-bottom: 16px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul a,
    .footer-col ul span {
        font-size: 14px;
        color: var(--text-3);
        transition: color var(--transition);
        cursor: pointer;
        display: inline-block;
    }
    .footer-col ul a:hover {
        color: var(--orange);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 20px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom p {
        font-size: 13px;
        color: var(--text-3);
    }
    .back-top {
        position: fixed;
        right: 32px;
        bottom: 32px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid var(--border-glass);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        color: var(--text-2);
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transform: translateY(16px);
        transition: all var(--transition);
        z-index: 90;
    }
    .back-top.visible {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    .back-top:hover {
        color: var(--orange);
        border-color: var(--border-highlight);
        box-shadow: 0 0 20px rgba(255, 122, 26, 0.25);
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-3px);
    }
    .skip-link {
        position: absolute;
        left: -9999px;
        top: 0;
        background: var(--orange);
        color: #fff;
        padding: 8px 16px;
        border-radius: 0 0 12px 0;
        z-index: 999;
        font-size: 14px;
    }
    .skip-link:focus {
        left: 0;
    }
    @media (max-width: 1200px) {
        .features-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .hero-inner {
            gap: 32px;
        }
    }
    @media (max-width: 1024px) {
        .section {
            padding: 72px 0;
        }
        .value-grid {
            grid-template-columns: 1fr;
            gap: 40px;
        }
        .value-heading {
            max-width: 100%;
        }
        .value-heading p {
            max-width: 100%;
        }
        .features-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .scene-card,
        .scene-card.reverse {
            flex-direction: column;
        }
        .scene-media {
            flex: none;
            width: 100%;
            min-height: 220px;
            position: relative;
        }
        .scene-body {
            padding: 32px;
        }
        .achievement-grid {
            grid-template-columns: 1fr;
        }
        .pricing-grid {
            grid-template-columns: 1fr;
            max-width: 440px;
            margin: 0 auto;
        }
        .price-card.featured {
            transform: none;
        }
        .price-card.featured:hover {
            transform: translateY(-4px);
        }
        .footer-top {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 768px) {
        .pre-nav {
            display: none;
        }
        .section {
            padding: 48px 0;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 26px;
        }
        .menu-toggle {
            display: flex;
        }
        .brand-actions {
            display: none;
        }
        .brand-row {
            height: 64px;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            font-size: 18px;
        }
        .logo-text {
            font-size: 20px;
        }
        .channel-nav {
            -webkit-overflow-scrolling: touch;
        }
        .hero {
            min-height: auto;
            padding: 56px 0 48px;
        }
        .hero-inner {
            flex-direction: column;
        }
        .hero-content {
            max-width: 100%;
            text-align: center;
        }
        .hero-actions {
            justify-content: center;
        }
        .hero-visual {
            max-width: 100%;
            width: 100%;
        }
        .hero-stats {
            flex-direction: column;
            margin-top: 32px;
        }
        .hero-stats .stat-item {
            padding: 20px;
            border-right: none;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stats .stat-item:last-child {
            border-bottom: none;
        }
        .features-grid {
            grid-template-columns: 1fr;
        }
        .feature-card {
            padding: 24px;
        }
        .news-grid {
            grid-template-columns: 1fr;
        }
        .news-card {
            padding: 22px;
        }
        .footer-top {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .back-top {
            right: 18px;
            bottom: 18px;
        }
        .cta-band {
            padding: 64px 0;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding: 0 20px;
        }
        .hero-content h1 {
            font-size: 32px;
        }
        .hero-sub {
            font-size: 15px;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .value-item {
            flex-direction: column;
            padding: 20px;
        }
        .value-icon {
            width: 44px;
            height: 44px;
        }
        .scene-body {
            padding: 24px;
        }
        .scene-body h3 {
            font-size: 20px;
        }
        .achievement-grid .glass-card {
            padding: 24px;
        }
        .honor-grid {
            grid-template-columns: 1fr 1fr;
        }
        .price-card {
            padding: 28px 24px;
        }
        .plan-price .amount {
            font-size: 42px;
        }
        .faq-question {
            font-size: 15px;
            padding: 18px 14px;
        }
        .faq-answer p {
            font-size: 14px;
            padding-left: 12px;
        }
        .cta-band h2 {
            font-size: 24px;
        }
        .cta-band .btn {
            width: 100%;
            max-width: 320px;
        }
        .back-top {
            width: 42px;
            height: 42px;
            font-size: 14px;
        }
    }
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg-base: #0E1420;
            --bg-deep: #0A0E16;
            --bg-glass: rgba(255, 255, 255, 0.06);
            --bg-glass-solid: #1A2233;
            --blue: #3D7BFF;
            --orange: #FF7A1A;
            --red: #FF3B3B;
            --text-1: rgba(255, 255, 255, 0.92);
            --text-2: rgba(255, 255, 255, 0.7);
            --text-3: rgba(255, 255, 255, 0.5);
            --border: rgba(255, 255, 255, 0.12);
            --border-light: rgba(255, 255, 255, 0.08);
            --orange-border: rgba(255, 122, 26, 0.5);
            --cta-grad: linear-gradient(135deg, #FF8E2E, #FF5F00);
            --blue-grad: linear-gradient(135deg, #3D7BFF, #7C6CFF);
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.24);
            --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.4);
            --glow-orange: 0 0 20px rgba(255, 122, 26, 0.35);
            --glow-blue: 0 0 18px rgba(61, 123, 255, 0.25);
            --radius-panel: 24px;
            --radius-card: 18px;
            --radius-btn: 999px;
            --radius-tag: 6px;
            --radius-input: 12px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --container: 1240px;
            --space-desktop: 96px;
            --space-tablet: 72px;
            --space-mobile: 48px;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-base);
            color: var(--text-1);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
            color: inherit;
        }
        input,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            transition: all var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--cta-grad);
            color: #fff;
            box-shadow: var(--glow-orange);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 122, 26, 0.5);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.14);
            color: var(--text-1);
            backdrop-filter: blur(10px);
        }
        .btn-ghost:hover {
            border-color: var(--orange);
            color: var(--orange);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }
        .btn-blue {
            background: rgba(61, 123, 255, 0.12);
            border-color: rgba(61, 123, 255, 0.4);
            color: #7aa5ff;
        }
        .btn-blue:hover {
            background: rgba(61, 123, 255, 0.22);
            box-shadow: var(--glow-blue);
            transform: translateY(-2px);
        }
        .btn-block {
            width: 100%;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 14, 22, 0.82);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s, background 0.3s;
        }
        .site-header.scrolled {
            background: rgba(10, 14, 22, 0.95);
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }
        .brand-row {
            height: 72px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .brand-row-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--cta-grad);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 0 16px rgba(255, 122, 26, 0.3);
        }
        .logo-text {
            font-size: 22px;
            font-weight: 900;
            color: var(--text-1);
            letter-spacing: -0.4px;
        }
        .logo-text span {
            color: var(--orange);
            font-weight: 800;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .menu-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            background: var(--text-1);
            border-radius: 2px;
            transition: transform 0.3s, opacity 0.3s;
        }
        .channel-row {
            height: 48px;
            display: flex;
            align-items: center;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            white-space: nowrap;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-2);
            transition: all var(--transition);
        }
        .channel-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-1);
        }
        .channel-link.active {
            background: rgba(255, 122, 26, 0.16);
            color: var(--orange);
        }

        /* ========== 移动端抽屉 ========== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 2000;
            pointer-events: none;
            visibility: hidden;
            opacity: 0;
            transition: opacity 0.35s, visibility 0.35s;
        }
        .mobile-drawer.open {
            pointer-events: auto;
            visibility: visible;
            opacity: 1;
        }
        .drawer-backdrop {
            position: absolute;
            inset: 0;
            background: rgba(10, 14, 22, 0.6);
            backdrop-filter: blur(4px);
        }
        .drawer-panel {
            position: absolute;
            top: 0;
            left: 0;
            width: 300px;
            height: 100%;
            background: rgba(18, 26, 42, 0.98);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .drawer-close {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-2);
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-nav a {
            padding: 12px 14px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--text-2);
            transition: all var(--transition);
        }
        .drawer-nav a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-1);
        }
        .drawer-nav a.active {
            background: rgba(255, 122, 26, 0.14);
            color: var(--orange);
        }
        .drawer-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: auto;
        }
        .drawer-actions .btn {
            width: 100%;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            padding: 170px 0 0;
            min-height: 620px;
            background: linear-gradient(to bottom, rgba(10, 14, 22, 0.78), rgba(10, 14, 22, 0.5)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            display: flex;
            align-items: flex-start;
            overflow: hidden;
        }
        .hero .container {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 60px;
            padding-bottom: 0;
            align-items: center;
        }
        .hero-content {
            padding-top: 20px;
            padding-bottom: 120px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            background: rgba(255, 122, 26, 0.14);
            border: 1px solid rgba(255, 122, 26, 0.35);
            color: var(--orange);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            color: var(--orange);
        }
        .hero-sub {
            font-size: 18px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 12px;
        }
        .hero-desc {
            font-size: 15px;
            color: var(--text-3);
            max-width: 480px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
        }
        .hero-visual {
            position: relative;
            padding-bottom: 100px;
        }
        .hero-card {
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            padding: 16px;
            position: relative;
            box-shadow: var(--shadow-card);
        }
        .hero-card img {
            border-radius: 16px;
            width: 100%;
            height: 300px;
            object-fit: cover;
        }
        .hero-float {
            position: absolute;
            bottom: 50px;
            left: -20px;
            right: -20px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            display: flex;
            gap: 12px;
            box-shadow: var(--shadow-card);
        }
        .hero-float .f-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(255, 122, 26, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--orange);
            font-size: 16px;
            flex-shrink: 0;
        }
        .hero-float .f-text {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.5;
        }
        .hero-float .f-text strong {
            display: block;
            color: var(--text-1);
            font-size: 16px;
        }
        .hero-stats {
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 1160px;
            background: var(--bg-glass);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            padding: 24px 32px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            box-shadow: var(--shadow-card);
            z-index: 5;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-family: "DIN Alternate", "Roboto", sans-serif;
            font-size: 42px;
            font-weight: 800;
            color: var(--text-1);
            line-height: 1.2;
        }
        .hero-stat .num span {
            font-size: 20px;
            color: var(--orange);
        }
        .hero-stat .label {
            font-size: 14px;
            color: var(--text-3);
            margin-top: 4px;
        }

        /* ========== 核心内容 ========== */
        .section {
            padding: var(--space-desktop) 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-head .eyebrow {
            color: var(--orange);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-2);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--cta-grad);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--orange-border);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(61, 123, 255, 0.12);
            border: 1px solid rgba(61, 123, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6ea0ff;
            font-size: 20px;
            margin-bottom: 16px;
        }
        .feature-icon.orange {
            background: rgba(255, 122, 26, 0.12);
            border-color: rgba(255, 122, 26, 0.3);
            color: var(--orange);
        }
        .feature-icon.green {
            background: rgba(52, 211, 153, 0.12);
            border-color: rgba(52, 211, 153, 0.25);
            color: #34d399;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ========== 适用场景 ========== */
        .scenarios-section {
            background: var(--bg-deep);
            position: relative;
            overflow: hidden;
        }
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .scenario-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            overflow: hidden;
            transition: all var(--transition);
            align-items: center;
        }
        .scenario-card:hover {
            border-color: var(--orange-border);
            box-shadow: var(--shadow-hover);
        }
        .scenario-card:nth-child(even) .scenario-media {
            order: 2;
        }
        .scenario-media {
            position: relative;
            overflow: hidden;
            height: 260px;
        }
        .scenario-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .scenario-card:hover .scenario-media img {
            transform: scale(1.03);
        }
        .scenario-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 700;
            background: rgba(255, 122, 26, 0.9);
            color: #fff;
        }
        .scenario-body {
            padding: 28px 32px;
        }
        .scenario-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scenario-body p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--orange);
            font-size: 14px;
            font-weight: 600;
            transition: gap var(--transition);
        }
        .text-link:hover {
            gap: 10px;
        }

        /* ========== 流程 ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: process-step;
        }
        .process-item {
            background: var(--bg-glass);
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            padding: 32px 28px;
            text-align: center;
            position: relative;
            transition: all var(--transition);
        }
        .process-item:hover {
            transform: translateY(-4px);
            border-color: rgba(61, 123, 255, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .process-step {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            border-radius: 50%;
            background: var(--blue-grad);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            box-shadow: var(--glow-blue);
        }
        .process-item:nth-child(2) .process-step {
            background: var(--cta-grad);
            box-shadow: var(--glow-orange);
        }
        .process-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--text-2);
        }

        /* ========== 优势特色 ========== */
        .advantage-section {
            background: var(--bg-deep);
            position: relative;
        }
        .advantage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 0;
            width: 2px;
            height: 100%;
            background: linear-gradient(to bottom, rgba(255, 122, 26, 0.6), rgba(255, 122, 26, 0.1));
        }
        .timeline-item {
            position: relative;
            margin-bottom: 32px;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -24px;
            top: 8px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--orange);
            box-shadow: 0 0 10px rgba(255, 122, 26, 0.5);
        }
        .timeline-item h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-2);
        }
        .badge-wall {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .badge-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            border-radius: 16px;
            height: 110px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 6px;
            transition: all var(--transition);
            filter: grayscale(1);
            font-weight: 600;
            font-size: 15px;
            color: var(--text-2);
        }
        .badge-item i {
            font-size: 22px;
            color: var(--text-3);
            transition: color var(--transition);
        }
        .badge-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 122, 26, 0.4);
            filter: grayscale(0);
            color: var(--text-1);
            transform: translateY(-3px);
        }
        .badge-item:hover i {
            color: var(--orange);
        }

        /* ========== FAQ ========== */
        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
            background: var(--bg-glass);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border);
            border-radius: var(--radius-panel);
            padding: 8px 24px;
        }
        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-q {
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-1);
            transition: color var(--transition);
            position: relative;
        }
        .faq-q:hover {
            color: var(--orange);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 16px;
            transition: transform 0.3s;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(255, 122, 26, 0.15);
            color: var(--orange);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding-bottom: 20px;
        }
        .faq-item.open {
            background: rgba(255, 122, 26, 0.04);
            box-shadow: inset 3px 0 0 var(--orange);
            padding: 0 16px;
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            padding: 100px 0;
            background: linear-gradient(to bottom, rgba(10, 14, 22, 0.85), rgba(10, 14, 22, 0.6)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            text-align: center;
        }
        .cta-section .cta-inner {
            max-width: 620px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: clamp(30px, 4vw, 44px);
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 17px;
            color: var(--text-2);
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #080C16;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-3);
            line-height: 1.8;
            max-width: 320px;
            margin-bottom: 16px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
        }
        .social-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-3);
            font-size: 16px;
            transition: all var(--transition);
        }
        .social-icon:hover {
            background: rgba(255, 122, 26, 0.1);
            border-color: rgba(255, 122, 26, 0.3);
            color: var(--orange);
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-1);
        }
        .footer-col ul li {
            margin-bottom: 10px;
            font-size: 14px;
        }
        .footer-col ul a,
        .footer-col ul span {
            color: var(--text-3);
            transition: color var(--transition);
            cursor: default;
        }
        .footer-col ul a:hover {
            color: var(--orange);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-3);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            :root {
                --container: 100%;
            }
            .container {
                padding: 0 32px;
            }
            .features-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (max-width: 1023px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                display: none;
            }
            .hero {
                padding-top: 150px;
            }
            .hero-content {
                padding-bottom: 140px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-card {
                grid-template-columns: 1fr;
            }
            .scenario-card:nth-child(even) .scenario-media {
                order: 0;
            }
            .scenario-media {
                height: 220px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-actions {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .channel-row {
                display: none;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: var(--space-mobile) 0;
            }
            .container {
                padding: 0 20px;
            }
            .hero {
                padding-top: 120px;
                min-height: auto;
            }
            .hero-content {
                padding-bottom: 120px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 20px;
                position: static;
                transform: none;
                margin-top: 24px;
            }
            .hero-stat {
                padding: 8px 0;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .btn {
                width: 100%;
            }
            .brand-row {
                height: 64px;
            }
            .logo-text {
                font-size: 18px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 17px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .scenario-body {
                padding: 20px;
            }
            .badge-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .faq-wrap {
                padding: 0 16px;
            }
            .cta-section {
                padding: 64px 0;
            }
            .cta-section h2 {
                font-size: 28px;
            }
        }
        @media (max-width: 480px) {
            .hero-stats {
                position: static;
                transform: none;
                margin-top: 20px;
            }
            .hero {
                padding-top: 110px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .scenario-media {
                height: 180px;
            }
        }

        /* 降低动效偏好 */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                transition: none !important;
                animation: none !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: article */
:root {
  --bg-base: #0E1420;
  --bg-deep: #0A0E16;
  --bg-glass: rgba(255, 255, 255, 0.06);
  --blue: #3D7BFF;
  --orange: #FF7A1A;
  --red: #FF3B3B;
  --text-1: rgba(255, 255, 255, 0.92);
  --text-2: rgba(255, 255, 255, 0.70);
  --text-3: rgba(255, 255, 255, 0.50);
  --border: rgba(255, 255, 255, 0.12);
  --border-orange: rgba(255, 122, 26, 0.50);
  --cta-gradient: linear-gradient(135deg, #FF8E2E, #FF5F00);
  --blue-gradient: linear-gradient(135deg, #3D7BFF, #7C6CFF);
  --radius-panel: 24px;
  --radius-card: 18px;
  --radius-btn: 999px;
  --radius-tag: 6px;
  --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.24);
  --shadow-hover: 0 16px 36px rgba(0, 0, 0, 0.40);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1240px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  background: var(--bg-base);
  color: var(--text-1);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; color: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 600; line-height: 1;
  transition: all var(--transition);
}
.btn-primary {
  background: var(--cta-gradient); color: #fff;
  box-shadow: 0 0 20px rgba(255, 122, 26, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 28px rgba(255, 122, 26, 0.55); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.08); color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.14); transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-block { width: 100%; margin-bottom: 12px; }
.btn-blue {
  background: rgba(61, 123, 255, 0.15); color: var(--blue);
  border: 1px solid rgba(61, 123, 255, 0.40);
  box-shadow: 0 0 18px rgba(61, 123, 255, 0.25);
}
.btn-blue:hover { background: rgba(61, 123, 255, 0.25); transform: translateY(-2px); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 22, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid transparent;
  transition: background var(--transition), border-color var(--transition);
}
.site-header.scrolled { border-bottom-color: var(--border); }
.brand-row { height: 72px; }
.brand-row-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand-logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 12px;
  background: var(--cta-gradient);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 20px; color: #fff;
  box-shadow: 0 0 20px rgba(255, 122, 26, 0.35);
  flex-shrink: 0;
}
.logo-text { font-size: 22px; font-weight: 800; letter-spacing: -0.5px; white-space: nowrap; }
.logo-text span { color: var(--orange); }
.brand-actions { display: flex; align-items: center; gap: 14px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 10px; background: rgba(255, 255, 255, 0.08); border-radius: 10px; }
.menu-toggle span { width: 22px; height: 2px; background: var(--text-1); border-radius: 2px; display: block; }
.menu-toggle:hover { background: rgba(255, 255, 255, 0.16); }
.channel-row { height: 48px; border-top: 1px solid rgba(255, 255, 255, 0.05); display: flex; align-items: center; }
.channel-nav { display: flex; align-items: center; gap: 10px; width: 100%; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link {
  padding: 8px 18px; border-radius: var(--radius-btn);
  font-size: 14px; color: var(--text-2); white-space: nowrap;
  transition: all var(--transition); font-weight: 400;
}
.channel-link:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-1); }
.channel-link.active { color: var(--orange); background: rgba(255, 122, 26, 0.16); font-weight: 600; }

.drawer-overlay {
  position: fixed; inset: 0; background: rgba(10, 14, 22, 0.60);
  z-index: 199; opacity: 0; visibility: hidden; transition: opacity var(--transition), visibility var(--transition);
}
.drawer-overlay.show { opacity: 1; visibility: visible; }
.mobile-drawer {
  position: fixed; left: 0; top: 0; bottom: 0; width: 300px;
  background: var(--bg-deep);
  z-index: 200; padding: 24px;
  transform: translateX(-100%); transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-brand { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.drawer-close { width: 38px; height: 38px; border-radius: 50%; background: rgba(255, 255, 255, 0.1); display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--text-2); }
.drawer-close:hover { background: rgba(255, 255, 255, 0.2); color: var(--text-1); }
.drawer-nav { display: flex; flex-direction: column; gap: 8px; }
.drawer-link {
  padding: 12px 16px; border-radius: 12px;
  font-size: 15px; color: var(--text-2);
  transition: all var(--transition);
}
.drawer-link:hover { background: rgba(255, 255, 255, 0.08); color: var(--text-1); }
.drawer-link.active { color: var(--orange); background: rgba(255, 122, 26, 0.16); font-weight: 600; }
.drawer-actions { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--border); }

.article-page { padding: 48px 0 96px; background: var(--bg-base); }
.breadcrumb {
  font-size: 13px; color: var(--text-3);
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 8px; margin-bottom: 40px;
}
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { color: var(--text-3); opacity: 0.6; }
.breadcrumb .current { color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 420px; }
.article-wrap { max-width: 780px; margin: 0 auto; }
.article-header { margin-bottom: 32px; }
.article-header h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900; line-height: 1.35; letter-spacing: -0.5px;
  margin-bottom: 20px; color: var(--text-1);
}
.article-meta {
  display: flex; flex-wrap: wrap; gap: 16px 24px;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  color: var(--text-3); font-size: 14px;
}
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { color: var(--text-3); font-size: 13px; }
.article-meta .cat-tag {
  color: var(--orange); border: 1px solid var(--border-orange);
  padding: 2px 10px; border-radius: var(--radius-tag); font-size: 12px;
  font-weight: 500;
}
.article-content-wrap {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  padding: 40px 44px;
  margin-bottom: 48px;
  backdrop-filter: blur(12px);
}
.article-content { font-size: 17px; line-height: 1.9; color: rgba(255, 255, 255, 0.88); }
.article-content p { margin-bottom: 24px; }
.article-content p:last-child { margin-bottom: 0; }
.article-content h2 { font-size: 26px; font-weight: 800; margin: 40px 0 16px; color: var(--text-1); }
.article-content h3 { font-size: 22px; font-weight: 700; margin: 32px 0 12px; color: var(--text-1); }
.article-content blockquote {
  margin: 24px 0; padding: 20px 24px;
  background: var(--bg-glass);
  border-left: 3px solid var(--orange);
  border-radius: 8px;
  backdrop-filter: blur(18px);
  color: var(--text-2);
}
.article-content img { border-radius: 16px; margin: 24px 0; }
.article-content ul, .article-content ol { margin: 0 0 24px 20px; }
.article-content li { margin-bottom: 8px; }
.article-content a { color: var(--blue); border-bottom: 1px solid rgba(61, 123, 255, 0.3); }
.article-content a:hover { color: var(--orange); border-color: var(--border-orange); }

.related-section { padding-bottom: 96px; }
.section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; gap: 16px; }
.section-head h2 { font-size: 32px; font-weight: 800; letter-spacing: -0.3px; }
.section-link { color: var(--text-2); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.section-link:hover { color: var(--orange); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  transition: all var(--transition);
  display: block;
}
.related-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: var(--border-orange); }
.related-card .card-img { aspect-ratio: 16 / 9; overflow: hidden; }
.related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.related-card:hover .card-img img { transform: scale(1.03); }
.related-card .card-body { padding: 20px 20px 16px; }
.card-cat {
  display: inline-block; color: var(--orange);
  font-size: 12px; border: 1px solid var(--border-orange);
  padding: 2px 10px; border-radius: var(--radius-tag);
  margin-bottom: 12px;
}
.related-card h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--text-1); }
.related-card .card-desc { font-size: 14px; color: var(--text-2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-meta {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 14px; font-size: 12px; color: var(--text-3);
}
.card-meta .read-more { color: var(--text-2); display: inline-flex; align-items: center; gap: 5px; transition: color var(--transition); }
.related-card:hover .card-meta .read-more { color: var(--orange); }

.faq-section { padding: 0 0 96px; }
.faq-section .section-head { justify-content: center; }
.faq-list {
  max-width: 800px; margin: 0 auto;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  overflow: hidden;
  backdrop-filter: blur(18px);
}
.faq-item { border-bottom: 1px solid rgba(255, 255, 255, 0.08); transition: background var(--transition); }
.faq-item:last-child { border-bottom: none; }
.faq-item.open { background: rgba(255, 122, 26, 0.04); border-left: 3px solid var(--orange); }
.faq-question {
  padding: 20px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  cursor: pointer; font-size: 16px; font-weight: 600; color: var(--text-1);
}
.faq-question i { font-size: 14px; color: var(--text-3); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(45deg); color: var(--orange); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-answer p { padding: 0 24px 20px; color: var(--text-2); font-size: 15px; line-height: 1.8; }

.cta-section {
  padding: 80px 0;
  background: linear-gradient(to bottom, rgba(10, 14, 22, 0.78), rgba(10, 14, 22, 0.35)), url('/assets/images/backpic/back-2.png');
  background-size: cover; background-position: center;
  position: relative;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 36px; font-weight: 900; margin-bottom: 16px; letter-spacing: -0.5px; }
.cta-inner p { color: var(--text-2); margin-bottom: 32px; font-size: 17px; }
.cta-inner .btn { min-width: 180px; }

.notfound-section { padding: 120px 0; }
.notfound-card {
  max-width: 600px; margin: 0 auto;
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-panel);
  padding: 64px 48px;
  text-align: center;
  backdrop-filter: blur(18px);
}
.notfound-icon {
  width: 80px; height: 80px; margin: 0 auto 24px;
  border-radius: 50%;
  background: rgba(255, 122, 26, 0.12);
  border: 1px solid var(--border-orange);
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; color: var(--orange);
}
.notfound-card h1 { font-size: 32px; font-weight: 900; margin-bottom: 12px; }
.notfound-card p { color: var(--text-2); margin-bottom: 28px; }

.site-footer { background: #080C16; border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 64px 0 24px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 48px; }
.footer-brand .brand-logo { margin-bottom: 16px; }
.footer-brand p { color: var(--text-3); font-size: 14px; line-height: 1.7; max-width: 320px; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.social-icon {
  width: 38px; height: 38px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2); font-size: 15px;
  transition: all var(--transition);
  cursor: pointer;
}
.social-icon:hover { background: var(--orange); color: #fff; transform: translateY(-2px); }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-1); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a, .footer-col ul span { color: var(--text-3); font-size: 14px; }
.footer-col ul a:hover { color: var(--orange); }
.footer-col ul span { cursor: default; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-3); font-size: 13px;
}
.back-top {
  position: fixed; right: 32px; bottom: 32px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2); font-size: 16px;
  transition: all var(--transition);
  cursor: pointer;
}
.back-top:hover { background: var(--orange); color: #fff; border-color: transparent; transform: translateY(-3px); }

@media (min-width: 1025px) and (max-width: 1199px) {
  .related-grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .footer-top { grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 30px; }
}
@media (min-width: 769px) and (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .article-content-wrap { padding: 32px; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .brand-actions { display: none; }
  .menu-toggle { display: flex; }
  .channel-row { height: auto; padding: 8px 0; }
  .channel-nav { gap: 8px; }
  .related-grid { grid-template-columns: 1fr; gap: 20px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .article-content-wrap { padding: 24px 20px; }
  .article-page { padding: 32px 0 64px; }
  .related-section { padding-bottom: 64px; }
  .cta-section { padding: 56px 0; }
  .cta-inner h2 { font-size: 28px; }
  .notfound-card { padding: 40px 24px; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer p { padding: 0 18px 16px; }
  .section-head h2 { font-size: 26px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-top { right: 16px; bottom: 16px; width: 40px; height: 40px; }
  .breadcrumb { margin-bottom: 24px; }
}
@media (max-width: 480px) {
  .logo-text { font-size: 18px; }
  .logo-mark { width: 36px; height: 36px; font-size: 17px; border-radius: 10px; }
  .brand-row { height: 64px; }
  .article-header h1 { font-size: 26px; }
  .article-content-wrap { padding: 20px 16px; }
  .article-content { font-size: 16px; }
  .related-card .card-body { padding: 16px; }
  .cta-inner .btn { width: 100%; }
  .notfound-card { padding: 32px 20px; }
  .notfound-card h1 { font-size: 26px; }
}

/* roulang page: category2 */
:root {
  --bg-base: #0E1420;
  --bg-deep: #0A0E16;
  --bg-glass: rgba(255,255,255,0.06);
  --blue: #3D7BFF;
  --orange: #FF7A1A;
  --red: #FF3B3B;
  --text-primary: rgba(255,255,255,0.92);
  --text-secondary: rgba(255,255,255,0.7);
  --text-muted: rgba(255,255,255,0.5);
  --border-glass: rgba(255,255,255,0.12);
  --border-highlight: rgba(255,122,26,0.5);
  --cta-grad: linear-gradient(135deg, #FF8E2E, #FF5F00);
  --blue-grad: linear-gradient(135deg, #3D7BFF, #7C6CFF);
  --radius-panel: 24px;
  --radius-card: 18px;
  --radius-btn: 999px;
  --radius-tag: 6px;
  --radius-input: 12px;
  --shadow-card: 0 8px 24px rgba(0,0,0,0.24);
  --shadow-card-hover: 0 16px 36px rgba(0,0,0,0.4);
  --spacer-section: 96px;
  --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-num: 'DIN Alternate', 'Arial Narrow', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; color: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 28px; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 700; line-height: 1.4;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  border: 1px solid transparent; cursor: pointer;
  text-align: center; white-space: nowrap;
}
.btn-primary {
  background: var(--cta-grad); color: #fff;
  box-shadow: 0 0 20px rgba(255,122,26,.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(255,122,26,.55); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 0 14px rgba(255,122,26,.4); }
.btn-ghost {
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.9);
  border-color: rgba(255,255,255,.16);
  backdrop-filter: blur(12px);
}
.btn-ghost:hover { border-color: rgba(61,123,255,.6); background: rgba(61,123,255,.12); transform: translateY(-2px); }
.btn-ghost:active { transform: translateY(0); }
.btn-outline {
  background: transparent; color: var(--orange);
  border-color: rgba(255,122,26,.5);
}
.btn-outline:hover { background: rgba(255,122,26,.1); border-color: var(--orange); transform: translateY(-2px); }
.btn-sm { padding: 8px 18px; font-size: 14px; }
.btn-lg { padding: 14px 34px; font-size: 16px; }
.btn:focus-visible, a:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; }

/* ===== 标签 ===== */
.tag, .tag-blue, .badge {
  display: inline-block; padding: 3px 10px;
  border-radius: var(--radius-tag);
  font-size: 12px; letter-spacing: .3px; line-height: 1.5;
}
.tag { color: var(--orange); border: 1px solid rgba(255,122,26,.45); }
.tag-blue { color: var(--blue); border: 1px solid rgba(61,123,255,.45); }
.badge-hot { background: var(--red); color: #fff; font-size: 11px; padding: 2px 8px; border-radius: 4px; }
.badge-new { background: rgba(61,123,255,.18); color: #fff; border: 1px solid rgba(61,123,255,.5); }

/* ===== 导航 ===== */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: rgba(10,14,22,.8);
  backdrop-filter: blur(18px);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-header.scrolled {
  background: rgba(10,14,22,.94);
  box-shadow: 0 1px 0 var(--border-glass), 0 8px 24px rgba(0,0,0,.25);
}
.brand-row { height: 72px; border-bottom: 1px solid rgba(255,255,255,.06); }
.brand-row-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: var(--cta-grad); color: #fff;
  font-size: 20px; font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 18px rgba(255,122,26,.4);
  flex-shrink: 0;
}
.logo-text { font-size: 20px; font-weight: 900; letter-spacing: .5px; line-height: 1.2; }
.logo-text span { color: var(--orange); font-weight: 900; }
.brand-actions { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--text-primary); border-radius: 2px; transition: all .3s ease; }
.menu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.channel-row { height: 48px; border-bottom: 1px solid rgba(255,255,255,.06); }
.channel-nav { display: flex; align-items: center; gap: 6px; height: 100%; overflow-x: auto; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex; align-items: center;
  padding: 8px 18px; border-radius: var(--radius-btn);
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary); white-space: nowrap;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.channel-link:hover { background: rgba(255,255,255,.08); color: var(--text-primary); }
.channel-link.active {
  color: var(--orange);
  background: rgba(255,122,26,.16);
  border-color: rgba(255,122,26,.3);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 640px;
  background:
    linear-gradient(105deg, rgba(10,14,22,.88) 0%, rgba(10,14,22,.55) 55%, rgba(10,14,22,.35) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  display: flex; align-items: center;
  padding: 64px 0 80px;
}
.hero::before {
  content: ''; position: absolute; top: -120px; right: -80px;
  width: 420px; height: 420px; border-radius: 50%;
  border: 2px solid rgba(255,122,26,.16);
  pointer-events: none;
}
.hero::after {
  content: ''; position: absolute; top: -60px; right: -20px;
  width: 300px; height: 300px; border-radius: 50%;
  border: 40px solid rgba(61,123,255,.06);
  pointer-events: none;
}
.hero-inner {
  display: flex; align-items: center; gap: 48px;
  position: relative; z-index: 2;
  width: 100%;
}
.hero-content { flex: 1.1; max-width: 560px; }
.hero-title { font-size: clamp(36px, 5vw, 54px); font-weight: 900; line-height: 1.18; letter-spacing: -0.5px; }
.hero-title .highlight {
  color: var(--orange);
  text-shadow: 0 0 30px rgba(255,122,26,.35);
}
.hero-sub { margin-top: 18px; font-size: 17px; color: var(--text-secondary); max-width: 440px; }
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { flex: 1; max-width: 420px; }
.hero-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-panel);
  padding: 28px;
  box-shadow: var(--shadow-card);
  position: relative;
}
.hero-card::before {
  content: ''; position: absolute; inset: 0; border-radius: inherit;
  background: radial-gradient(circle at 80% 0%, rgba(255,122,26,.14), transparent 60%);
  pointer-events: none;
}
.hero-card h3 { font-size: 18px; font-weight: 800; margin-bottom: 18px; }
.hero-card ul { display: flex; flex-direction: column; gap: 12px; }
.hero-card li {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 12px;
  font-size: 15px; font-weight: 600;
  transition: all .25s ease;
}
.hero-card li:hover { border-color: rgba(255,122,26,.4); background: rgba(255,122,26,.06); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot.hot { background: var(--orange); box-shadow: 0 0 8px rgba(255,122,26,.7); }
.dot.seas { background: var(--blue); box-shadow: 0 0 8px rgba(61,123,255,.7); }
.dot.live { background: #2BCB8A; box-shadow: 0 0 8px rgba(43,203,138,.7); }
.dot.combo { background: #B183FF; box-shadow: 0 0 8px rgba(177,131,255,.7); }
.hero-card li .tag { margin-left: auto; font-size: 11px; }
.hero-card-foot { margin-top: 16px; font-size: 12px; color: var(--text-muted); text-align: right; }
.hero-stats {
  position: absolute; bottom: 36px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 48px); max-width: 1080px;
  display: flex;
  background: var(--bg-glass);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-panel);
  padding: 22px 32px;
  gap: 16px;
  z-index: 2;
}
.stat-item { flex: 1; text-align: center; border-right: 1px solid rgba(255,255,255,.08); }
.stat-item:last-child { border-right: none; }
.stat-num { font-family: var(--font-num); font-size: 34px; font-weight: 800; color: var(--orange); line-height: 1.2; }
.stat-num span { font-size: 20px; margin-left: 2px; }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }

/* ===== Section 通用 ===== */
.section { padding: var(--spacer-section) 0; position: relative; }
.section-head { margin-bottom: 44px; max-width: 640px; }
.section-head h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; letter-spacing: -0.3px; }
.section-head p { margin-top: 10px; font-size: 16px; color: var(--text-secondary); }

/* ===== 特性区 ===== */
.features-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-base) 100%);
}
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.feature-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  transition: all .25s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,122,26,.4);
  box-shadow: var(--shadow-card-hover);
}
.feature-icon {
  width: 52px; height: 52px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 18px;
}
.feature-icon.orange { background: rgba(255,122,26,.14); color: var(--orange); }
.feature-icon.blue { background: rgba(61,123,255,.14); color: var(--blue); }
.feature-icon.purple { background: rgba(177,131,255,.14); color: #B183FF; }
.feature-icon.green { background: rgba(43,203,138,.14); color: #2BCB8A; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== 玩法卡片 ===== */
.games-section { background: var(--bg-base); }
.games-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.game-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: all .25s ease;
  display: flex; flex-direction: column;
}
.game-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); border-color: rgba(255,122,26,.35); }
.game-card-wide { grid-column: span 2; display: grid; grid-template-columns: 1.1fr 1fr; }
.game-card-wide .game-cover { height: 100%; min-height: 260px; }
.game-card:not(.game-card-wide) .game-cover { aspect-ratio: 16/9; }
.game-cover { overflow: hidden; position: relative; }
.game-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.game-card:hover .game-cover img { transform: scale(1.03); }
.game-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.game-body .tag { align-self: flex-start; margin-bottom: 12px; }
.game-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.game-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; flex: 1; }
.game-meta { margin-top: 14px; font-size: 13px; color: var(--text-muted); }
.game-link {
  display: inline-block; margin-top: 14px;
  color: var(--orange); font-size: 14px; font-weight: 700;
  transition: color .2s ease, transform .2s ease;
}
.game-link:hover { color: #FFA14A; transform: translateX(4px); }
.more-wrap { text-align: center; margin-top: 40px; }

/* ===== 流程 ===== */
.steps-section {
  background: linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-base) 100%);
}
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-item {
  position: relative;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 32px 24px 24px;
  transition: all .25s ease;
}
.step-item:hover { transform: translateY(-5px); border-color: rgba(61,123,255,.4); box-shadow: var(--shadow-card-hover); }
.step-num {
  font-family: var(--font-num);
  font-size: 42px; font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--orange);
  line-height: 1;
  margin-bottom: 18px;
}
.step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== 技巧图文 ===== */
.tip-inner {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.tip-media {
  position: relative; border-radius: var(--radius-panel); overflow: hidden;
  box-shadow: var(--shadow-card);
}
.tip-media::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,14,22,0) 50%, rgba(10,14,22,.5) 100%);
}
.tip-media img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.tip-content h2 { font-size: clamp(26px, 3vw, 34px); font-weight: 800; margin-bottom: 10px; }
.tip-content > p { font-size: 16px; color: var(--text-secondary); margin-bottom: 28px; }
.tip-list { display: flex; flex-direction: column; gap: 22px; }
.tip-list li {
  padding: 20px 22px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  border-left: 3px solid var(--orange);
  transition: all .25s ease;
}
.tip-list li:hover { background: rgba(255,122,26,.06); border-left-color: var(--orange); }
.tip-list h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.tip-list p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ===== FAQ ===== */
.faq-section {
  background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-deep) 100%);
}
.faq-list {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-panel);
  overflow: hidden;
  max-width: 860px;
}
.faq-item { border-bottom: 1px solid rgba(255,255,255,.08); }
.faq-item:last-child { border-bottom: none; }
.faq-item.active {
  background: rgba(255,122,26,.06);
  border-left: 3px solid var(--orange);
}
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px; cursor: pointer; transition: background .25s ease;
}
.faq-q:hover { background: rgba(255,255,255,.03); }
.faq-q h3 { font-size: 16px; font-weight: 700; }
.faq-icon { color: var(--orange); font-size: 16px; width: 28px; text-align: center; transition: transform .3s ease; }
.faq-item.active .faq-icon i { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height .35s ease;
}
.faq-item.active .faq-a { max-height: 200px; }
.faq-a p { padding: 0 24px 18px; font-size: 14px; color: var(--text-secondary); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 90px 0;
  background:
    linear-gradient(180deg, rgba(10,14,22,.84), rgba(10,14,22,.6)),
    url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  text-align: center;
}
.cta-section::before {
  content: ''; position: absolute; left: 50%; bottom: -40px; transform: translateX(-50%);
  width: 260px; height: 260px; border-radius: 50%;
  border: 3px solid rgba(255,122,26,.12);
  pointer-events: none;
}
.cta-inner { max-width: 720px; margin: 0 auto; position: relative; z-index: 2; }
.cta-inner h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 900; letter-spacing: -0.3px; }
.cta-inner p { margin-top: 14px; font-size: 16px; color: var(--text-secondary); }
.cta-actions { margin-top: 32px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: #080C16;
  border-top: 1px solid rgba(255,255,255,.08);
}
.footer-top {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding: 56px 0 40px;
}
.footer-brand p { margin: 16px 0; font-size: 14px; color: var(--text-muted); max-width: 300px; }
.footer-social { display: flex; gap: 12px; }
.social-icon {
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,.06);
  border: 1px solid var(--border-glass);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 16px;
  transition: all .25s ease; cursor: default;
}
.social-icon:hover { background: rgba(255,122,26,.15); color: var(--orange); border-color: rgba(255,122,26,.4); transform: translateY(-2px); }
.footer-col h4 { font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a, .footer-col ul span {
  font-size: 14px; color: var(--text-secondary);
  transition: color .2s ease; cursor: default;
}
.footer-col ul a:hover { color: var(--orange); cursor: pointer; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.06);
  padding: 20px 0;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px;
  font-size: 13px; color: var(--text-muted);
}

/* ===== 返回顶部 ===== */
.back-top {
  position: fixed; right: 24px; bottom: 32px; z-index: 999;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-glass);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary); font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: all .3s ease;
  cursor: pointer;
}
.back-top.show { opacity: 1; pointer-events: auto; }
.back-top:hover { background: rgba(255,122,26,.16); color: var(--orange); border-color: rgba(255,122,26,.4); transform: translateY(-3px); }

/* ===== 移动端抽屉 ===== */
.mobile-drawer {
  position: fixed; top: 0; left: 0; bottom: 0; z-index: 2000;
  width: 300px; max-width: 85vw;
  background: rgba(10,14,22,.96);
  backdrop-filter: blur(24px);
  border-right: 1px solid var(--border-glass);
  padding: 28px 24px;
  transform: translateX(-100%);
  transition: transform .35s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer-backdrop {
  position: fixed; inset: 0; z-index: 1999;
  background: rgba(0,0,0,.55);
  opacity: 0; pointer-events: none;
  transition: opacity .3s ease;
}
.mobile-drawer-backdrop.show { opacity: 1; pointer-events: auto; }
.mobile-drawer .drawer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 28px; }
.mobile-drawer .drawer-nav { display: flex; flex-direction: column; gap: 6px; }
.mobile-drawer .drawer-nav a {
  padding: 12px 16px; border-radius: 12px;
  font-size: 15px; font-weight: 600; color: var(--text-secondary);
  transition: all .2s ease;
}
.mobile-drawer .drawer-nav a:hover { background: rgba(255,255,255,.06); color: var(--text-primary); }
.mobile-drawer .drawer-nav a.active { background: rgba(255,122,26,.16); color: var(--orange); }
.mobile-drawer .drawer-actions { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
  :root { --spacer-section: 80px; }
  .features-grid { grid-template-columns: repeat(3, 1fr); }
  .games-grid { grid-template-columns: repeat(3, 1fr); }
  .game-card-wide { grid-column: span 3; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-top { grid-template-columns: 2fr 1fr 1fr; }
}
@media (max-width: 1023px) {
  .hero { min-height: auto; padding-bottom: 140px; }
  .hero-inner { flex-direction: column; gap: 32px; }
  .hero-content { max-width: 100%; }
  .hero-visual { max-width: 100%; }
  .hero-stats { position: relative; bottom: auto; left: auto; transform: none; margin-top: 32px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .game-card-wide { grid-column: span 2; }
  .tip-inner { grid-template-columns: 1fr; gap: 36px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  :root { --spacer-section: 56px; }
  .container { padding: 0 20px; }
  .brand-actions .btn { display: none; }
  .menu-toggle { display: flex; }
  .channel-row { border-bottom: none; }
  .hero { padding: 48px 0 120px; }
  .hero-title { font-size: clamp(30px, 8vw, 36px); }
  .hero-sub { font-size: 15px; }
  .hero-stats { flex-direction: column; gap: 16px; padding: 20px 24px; }
  .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); padding-bottom: 12px; }
  .stat-item:last-child { border-bottom: none; padding-bottom: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .games-grid { grid-template-columns: 1fr; }
  .game-card-wide { grid-column: span 1; grid-template-columns: 1fr; }
  .game-card-wide .game-cover { min-height: 180px; }
  .steps-grid { grid-template-columns: 1fr; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn { width: 100%; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .features-grid, .games-grid, .steps-grid { gap: 16px; }
  .game-body { padding: 18px; }
  .section-head { margin-bottom: 30px; }
  .faq-q { padding: 16px 18px; }
  .faq-a p { padding: 0 18px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}