/* roulang page: index */
:root {
        --bg: #0A0B14;
        --panel: #10131F;
        --surface: #151827;
        --border: rgba(255, 255, 255, 0.08);
        --primary: #7B5DFF;
        --primary-hover: #9A7AFF;
        --neon: #2DE2C6;
        --hot: #FF3D5F;
        --gold: #F5C84B;
        --text: rgba(255, 255, 255, 0.92);
        --muted: rgba(255, 255, 255, 0.66);
        --weak: rgba(255, 255, 255, 0.42);
    }

    html {
        color-scheme: dark;
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Microsoft YaHei", "HarmonicOS Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        overflow-x: hidden;
    }

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

    a {
        color: inherit;
        text-decoration: none;
    }

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

    button,
    input,
    select,
    textarea {
        font: inherit;
    }

    ul,
    ol,
    dl,
    dd,
    p,
    h1,
    h2,
    h3,
    h4 {
        margin: 0;
        padding: 0;
    }

    .container {
        width: min(1200px, 100% - 32px);
        margin-left: auto;
        margin-right: auto;
    }

    .section {
        padding-top: 104px;
        padding-bottom: 104px;
    }

    .section-sm {
        padding-top: 64px;
        padding-bottom: 64px;
    }

    .panel-surface {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 16px;
        transition: transform .35s ease, border-color .35s ease, box-shadow .35s ease;
    }

    .hover-lift:hover {
        transform: translateY(-4px);
        border-color: rgba(123, 93, 255, 0.48);
        box-shadow: 0 18px 46px -18px rgba(0, 0, 0, 0.55);
    }

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

    .text-weak {
        color: var(--weak);
    }

    .gradient-line {
        height: 2px;
        width: 72px;
        border-radius: 2px;
        background: linear-gradient(90deg, var(--primary), var(--neon));
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--neon);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: .08em;
        text-transform: uppercase;
        padding: 6px 14px;
        border: 1px solid rgba(45, 226, 198, 0.22);
        border-radius: 999px;
        background: rgba(45, 226, 198, 0.06);
    }

    .section-head {
        max-width: 880px;
    }

    .section-head .eyebrow {
        margin-bottom: 18px;
    }

    .section-head h2 {
        font-size: clamp(28px, 4.2vw, 38px);
        font-weight: 800;
        letter-spacing: .01em;
        line-height: 1.25;
    }

    .section-head p {
        margin-top: 14px;
        color: var(--muted);
        font-size: 16px;
        max-width: 760px;
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 60;
        background: rgba(10, 11, 20, 0.88);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .site-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 74px;
        gap: 24px;
    }

    .navbar-brand {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 21px;
        font-weight: 800;
        letter-spacing: .02em;
        color: #fff;
    }

    .brand-orb {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: radial-gradient(circle at 35% 30%, #fff, var(--primary) 42%, #281f63 100%);
        box-shadow: 0 0 18px rgba(123, 93, 255, 0.55);
        display: inline-block;
        flex: 0 0 auto;
        position: relative;
    }

    .brand-orb::after {
        content: "";
        position: absolute;
        width: 8px;
        height: 8px;
        background: var(--neon);
        border-radius: 50%;
        right: -2px;
        bottom: 2px;
        box-shadow: 0 0 8px rgba(45, 226, 198, 0.85);
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 34px;
        list-style: none;
    }

    .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        height: 74px;
        color: rgba(255, 255, 255, 0.72);
        font-size: 15px;
        font-weight: 500;
        white-space: nowrap;
        transition: color .25s ease;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 10px;
        right: 10px;
        bottom: -1px;
        height: 2px;
        border-radius: 2px;
        background: linear-gradient(90deg, var(--primary), var(--neon));
        transform: scaleX(0);
        transform-origin: center;
        transition: transform .28s ease;
    }

    .nav-link:hover {
        color: #fff;
        transform: translateY(-1px);
    }

    .nav-link.active {
        color: #fff;
        font-weight: 600;
    }

    .nav-link.active::after,
    .nav-link:hover::after {
        transform: scaleX(1);
    }

    .mobile-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .mobile-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: #fff;
        border-radius: 4px;
        margin: 3px 0;
        transition: transform .25s ease, opacity .25s ease;
    }

    @media (max-width: 900px) {
        .mobile-toggle {
            display: inline-flex;
        }

        .nav-menu {
            display: none;
            position: absolute;
            top: 74px;
            left: 0;
            right: 0;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            background: rgba(10, 11, 20, 0.97);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            padding: 8px 24px 18px;
        }

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

        .nav-link {
            height: 52px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 16px;
        }

        .nav-link::after {
            bottom: -1px;
        }
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        border-radius: 10px;
        padding: 13px 26px;
        font-weight: 600;
        font-size: 15px;
        line-height: 1.2;
        transition: all .3s ease;
        border: 1px solid transparent;
        cursor: pointer;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--hot), #d9274b);
        color: #fff;
        box-shadow: 0 8px 28px -8px rgba(255, 61, 95, 0.6);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 34px -10px rgba(255, 61, 95, 0.7);
    }

    .btn-secondary {
        background: rgba(255, 255, 255, 0.03);
        border-color: rgba(255, 255, 255, 0.18);
        color: rgba(255, 255, 255, 0.88);
    }

    .btn-secondary:hover {
        transform: translateY(-2px);
        border-color: var(--primary-hover);
        color: #fff;
        box-shadow: 0 10px 30px -14px rgba(123, 93, 255, 0.4);
    }

    .btn-ghost {
        background: rgba(123, 93, 255, 0.1);
        border-color: rgba(123, 93, 255, 0.38);
        color: #d7cfff;
    }

    .btn-ghost:hover {
        background: rgba(123, 93, 255, 0.18);
        border-color: var(--primary-hover);
        color: #fff;
        transform: translateY(-2px);
    }

    .btn:focus-visible,
    .nav-link:focus-visible,
    .mobile-toggle:focus-visible {
        outline: 3px solid rgba(45, 226, 198, 0.45);
        outline-offset: 3px;
    }

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

    /* Hero */
    .hero-bg {
        background: linear-gradient(108deg, rgba(10, 11, 20, 0.92) 8%, rgba(16, 19, 31, 0.78) 45%, rgba(10, 11, 20, 0.55) 100%),
            url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        min-height: 680px;
        display: flex;
        align-items: center;
        position: relative;
        isolation: isolate;
    }

    .hero-copy {
        max-width: 760px;
    }

    .hero-copy h1 {
        font-size: clamp(36px, 6vw, 56px);
        font-weight: 900;
        line-height: 1.12;
        letter-spacing: .01em;
        margin: 22px 0 18px;
    }

    .hero-copy .sub {
        font-size: clamp(16px, 2.2vw, 19px);
        color: var(--muted);
        max-width: 640px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        margin-top: 34px;
    }

    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 10px 24px;
        margin-top: 40px;
        padding-top: 22px;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
        color: rgba(255, 255, 255, 0.62);
        font-size: 14px;
    }

    .hero-meta strong {
        color: rgba(255, 255, 255, 0.92);
        font-weight: 600;
    }

    .hero-glass {
        margin-top: 30px;
        border-radius: 20px;
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 18px 20px;
        max-width: 420px;
        backdrop-filter: blur(10px);
    }

    .hero-glass h3 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 15px;
        color: rgba(255, 255, 255, 0.9);
        margin-bottom: 10px;
    }

    .hero-glass h3 span {
        width: 10px;
        height: 10px;
        background: var(--neon);
        border-radius: 50%;
        box-shadow: 0 0 12px rgba(45, 226, 198, 0.8);
    }

    .hero-glass ul {
        list-style: none;
        color: rgba(255, 255, 255, 0.66);
        font-size: 14px;
        line-height: 2;
    }

    /* Icon */
    .icon-tile {
        width: 46px;
        height: 46px;
        border-radius: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--neon);
        background: rgba(45, 226, 198, 0.09);
        border: 1px solid rgba(45, 226, 198, 0.22);
        flex: 0 0 auto;
    }

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

    .icon-tile.purple {
        color: var(--primary-hover);
        background: rgba(123, 93, 255, 0.12);
        border-color: rgba(123, 93, 255, 0.32);
    }

    .icon-tile.hot {
        color: var(--hot);
        background: rgba(255, 61, 95, 0.1);
        border-color: rgba(255, 61, 95, 0.28);
    }

    /* Feature grid */
    .feature-grid {
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        grid-template-areas:
            "main side1"
            "main side2"
            "wide wide";
        gap: 24px;
    }

    .feature-main {
        grid-area: main;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 340px;
        padding: 30px;
        position: relative;
        overflow: hidden;
    }

    .feature-main::before {
        content: "";
        position: absolute;
        width: 260px;
        height: 260px;
        border-radius: 50%;
        right: -80px;
        top: -90px;
        background: radial-gradient(circle, rgba(123, 93, 255, 0.28), transparent 62%);
        pointer-events: none;
    }

    .feature-card {
        padding: 26px;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .feature-wide {
        grid-area: wide;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 28px;
        padding: 26px 30px;
        flex-wrap: wrap;
    }

    .feature-card h3 {
        font-size: 20px;
        font-weight: 700;
        line-height: 1.3;
    }

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

    .feature-main h3 {
        font-size: 25px;
        font-weight: 800;
    }

    .feature-list {
        margin-top: 8px;
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 8px;
        color: rgba(255, 255, 255, 0.66);
        font-size: 14px;
    }

    .feature-list li {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .feature-list li::before {
        content: "";
        width: 7px;
        height: 7px;
        border-radius: 2px;
        background: linear-gradient(135deg, var(--primary), var(--neon));
    }

    @media (max-width: 900px) {
        .feature-grid {
            grid-template-columns: 1fr;
            grid-template-areas: "main" "side1" "side2" "wide";
        }

        .feature-main {
            min-height: 280px;
        }
    }

    /* Slider */
    .slider-card {
        border-radius: 22px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .slider-card img {
        width: 100%;
        height: 520px;
        object-fit: cover;
    }

    .slider-card .slide-caption {
        background: rgba(10, 11, 20, 0.92);
        padding: 16px 20px;
        font-size: 15px;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.9);
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .slider-dot {
        width: 8px;
        height: 8px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.22);
        transition: all .3s ease;
        cursor: pointer;
        border: 0;
        padding: 0;
    }

    .slider-dot.current {
        width: 26px;
        background: var(--primary-hover);
        box-shadow: 0 0 10px rgba(123, 93, 255, 0.6);
    }

    .slider-arrow {
        width: 46px;
        height: 46px;
        border-radius: 50%;
        border: 1px solid rgba(255, 255, 255, 0.16);
        background: rgba(255, 255, 255, 0.03);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        transition: all .25s ease;
        cursor: pointer;
    }

    .slider-arrow:hover {
        border-color: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    @media (max-width: 768px) {
        .slider-card img {
            height: 300px;
        }
    }

    /* Spec */
    .spec-card {
        border-radius: 18px;
        background: var(--surface);
        border: 1px solid var(--border);
        padding: 10px 0;
        display: block;
        height: 100%;
    }

    .spec-card-head {
        padding: 22px 26px 12px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .spec-card-head h3 {
        font-size: 20px;
        font-weight: 700;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .spec-list {
        list-style: none;
        padding: 12px 26px 22px;
        display: flex;
        flex-direction: column;
    }

    .spec-list li {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        gap: 18px;
        padding: 12px 0;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
        font-size: 14px;
    }

    .spec-list li:last-child {
        border-bottom: 0;
    }

    .spec-list dt {
        color: rgba(255, 255, 255, 0.5);
        flex: 0 0 68px;
    }

    .spec-list dd {
        color: rgba(255, 255, 255, 0.88);
        text-align: right;
    }

    /* Masonry Reviews */
    .masonry {
        columns: 3;
        column-gap: 22px;
    }

    .masonry-item {
        break-inside: avoid;
        margin-bottom: 22px;
    }

    .review-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 24px;
        transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    }

    .review-card:hover {
        transform: translateY(-3px);
        border-color: rgba(45, 226, 198, 0.35);
        box-shadow: 0 16px 40px -18px rgba(0, 0, 0, 0.5);
    }

    .review-card .quote {
        font-size: 36px;
        line-height: 0.4;
        color: var(--primary-hover);
        display: block;
        opacity: .8;
        margin-bottom: 6px;
    }

    .review-card p {
        color: rgba(255, 255, 255, 0.84);
        font-size: 15px;
        margin: 10px 0 18px;
    }

    .review-stars {
        display: flex;
        gap: 3px;
        color: var(--gold);
        font-size: 14px;
    }

    .review-user {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        margin-top: 12px;
        padding-top: 14px;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        color: rgba(255, 255, 255, 0.62);
        font-size: 13px;
    }

    .review-user strong {
        color: #fff;
    }

    .review-tag {
        color: var(--neon);
        border: 1px solid rgba(45, 226, 198, 0.2);
        border-radius: 999px;
        padding: 3px 10px;
        font-size: 12px;
    }

    @media (max-width: 1024px) {
        .masonry {
            columns: 2;
        }
    }

    @media (max-width: 600px) {
        .masonry {
            columns: 1;
        }
    }

    /* Download */
    .download-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .download-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 26px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        transition: all .32s ease;
    }

    .download-card:hover {
        transform: translateY(-4px);
        border-color: rgba(123, 93, 255, 0.5);
        box-shadow: 0 18px 42px -20px rgba(123, 93, 255, 0.35);
    }

    .download-card .platform {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 18px;
        font-weight: 700;
    }

    .download-card .meta {
        color: var(--weak);
        font-size: 13px;
        line-height: 1.8;
    }

    .download-card .btn {
        margin-top: 8px;
    }

    .qr-holder {
        aspect-ratio: 1/1;
        background:
            linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
        background-size: 12px 12px;
        border-radius: 14px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        display: flex;
        align-items: center;
        justify-content: center;
        color: rgba(255, 255, 255, 0.46);
        font-size: 14px;
    }

    @media (max-width: 992px) {
        .download-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }

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

    /* News / CMS */
    .cms-feature {
        background:
            radial-gradient(800px 240px at 80% -20%, rgba(123, 93, 255, 0.2), transparent 60%),
            var(--surface);
        border: 1px solid rgba(123, 93, 255, 0.25);
        border-radius: 20px;
        padding: 34px;
        height: 100%;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        gap: 18px;
        transition: border-color .3s ease, transform .3s ease;
    }

    .cms-feature:hover {
        border-color: var(--primary-hover);
        transform: translateY(-3px);
    }

    .cms-feature .tag,
    .article-row .tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        border: 1px solid rgba(45, 226, 198, 0.3);
        color: var(--neon);
        background: rgba(45, 226, 198, 0.05);
        margin-bottom: 10px;
    }

    .cms-feature h3 {
        font-size: 27px;
        font-weight: 800;
        line-height: 1.35;
    }

    .cms-feature p {
        color: var(--muted);
        font-size: 16px;
    }

    .cms-feature .meta-line,
    .article-row .meta-line {
        color: var(--weak);
        font-size: 14px;
    }

    .read-more {
        color: var(--primary-hover);
        font-weight: 600;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .read-more:hover {
        color: #d7cfff;
    }

    .article-list {
        display: flex;
        flex-direction: column;
        height: 100%;
        gap: 0;
    }

    .article-row {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 14px 20px;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        align-items: start;
        transition: padding-left .25s ease;
    }

    .article-row:hover {
        padding-left: 8px;
        background: linear-gradient(90deg, rgba(123, 93, 255, 0.05), transparent);
    }

    .article-row h4 {
        font-size: 16px;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.92);
        line-height: 1.5;
        margin: 0;
    }

    .article-row h4 a:hover {
        color: #fff;
    }

    .article-row p {
        color: var(--muted);
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-row .time {
        color: var(--weak);
        font-size: 13px;
        white-space: nowrap;
        grid-column: 1;
    }

    .news-empty {
        background: var(--surface);
        border: 1px dashed rgba(255, 255, 255, 0.14);
        border-radius: 16px;
        padding: 42px 20px;
        text-align: center;
        color: var(--muted);
        font-size: 15px;
    }

    @media (max-width: 768px) {
        .cms-feature {
            padding: 24px;
        }
    }

    /* FAQ */
    .faq-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 14px;
        margin-bottom: 14px;
        overflow: hidden;
        transition: border-color .3s ease;
    }

    .faq-item:hover {
        border-color: rgba(123, 93, 255, 0.32);
    }

    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        padding: 19px 22px;
        cursor: pointer;
        font-weight: 600;
        color: rgba(255, 255, 255, 0.94);
        list-style: none;
        user-select: none;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-icon {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        border: 1px solid rgba(45, 226, 198, 0.3);
        background: rgba(45, 226, 198, 0.07);
        color: var(--neon);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        flex: 0 0 auto;
    }

    .faq-plus {
        color: var(--weak);
        font-size: 22px;
        transition: transform .3s ease;
        line-height: 1;
    }

    .faq-item[open] .faq-plus {
        transform: rotate(45deg);
        color: var(--neon);
    }

    .faq-item .answer {
        padding: 2px 22px 20px 54px;
        color: var(--muted);
        font-size: 15px;
    }

    /* CTA */
    .cta-panel {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        background: linear-gradient(90deg, rgba(19, 13, 45, 0.94), rgba(23, 31, 48, 0.88)),
            url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
        border: 1px solid rgba(123, 93, 255, 0.35);
        padding: 68px 40px;
        text-align: center;
    }

    .cta-panel h2 {
        font-size: clamp(28px, 4vw, 42px);
        font-weight: 900;
        line-height: 1.25;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-panel p {
        color: var(--muted);
        max-width: 660px;
        margin: 18px auto 0;
        font-size: 17px;
    }

    /* Footer */
    .site-footer {
        border-top: 1px solid rgba(45, 226, 198, 0.12);
        background: #080913;
        padding-top: 72px;
        margin-top: 24px;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 44px;
        padding-bottom: 48px;
    }

    .footer-title {
        font-size: 15px;
        color: #fff;
        margin-bottom: 18px;
        letter-spacing: .02em;
        font-weight: 700;
    }

    .footer-links {
        list-style: none;
        display: flex;
        flex-direction: column;
        gap: 11px;
        color: var(--muted);
        font-size: 14px;
    }

    .footer-links a:hover {
        color: #fff;
    }

    .footer-brand-copy {
        margin-top: 16px;
        color: var(--muted);
        font-size: 15px;
        max-width: 280px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.07);
        padding: 22px 0;
        color: var(--weak);
        font-size: 13px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
    }

    @media (max-width: 900px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 600px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }

        .cta-panel {
            padding: 48px 20px;
        }
    }

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

        .section-head h2 {
            font-size: 27px;
        }

        .container {
            width: calc(100% - 24px);
        }

        .hero-copy h1 {
            font-size: 36px;
        }
    }

/* roulang page: category1 */
:root {
            --bg: #0A0B14;
            --bg2: #10131F;
            --card: #151827;
            --line: rgba(255, 255, 255, 0.08);
            --primary: #7B5DFF;
            --primary-hover: #9A7AFF;
            --accent: #2DE2C6;
            --hot: #FF3D5F;
            --star: #F5C84B;
            --text: rgba(255, 255, 255, 0.92);
            --muted: rgba(255, 255, 255, 0.66);
            --weak: rgba(255, 255, 255, 0.42);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-btn: 10px;
            --shadow: 0 18px 60px rgba(0, 0, 0, 0.26);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: "PingFang SC", "Microsoft YaHei", "HarmonicOS Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

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

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

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

        .container {
            width: min(1200px, 100% - 32px);
            margin-inline: auto;
        }

        .section {
            padding: 92px 0;
        }

        .section-alt {
            background: radial-gradient(circle at 12% 20%, rgba(123, 93, 255, 0.12), transparent 30%),
                radial-gradient(circle at 85% 65%, rgba(45, 226, 198, 0.06), transparent 28%);
        }

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

        .text-weak {
            color: var(--weak);
        }

        .section-head {
            margin-bottom: 40px;
            max-width: 780px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--accent);
            font-size: 13px;
            letter-spacing: 0.12em;
            font-weight: 700;
        }

        .eyebrow::before {
            content: "";
            width: 24px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--accent));
        }

        .title-xl {
            font-size: clamp(32px, 4.6vw, 52px);
            line-height: 1.18;
            letter-spacing: 0.01em;
            font-weight: 900;
            margin: 12px 0 0;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            line-height: 1.25;
            font-weight: 800;
            letter-spacing: 0.01em;
            margin: 12px 0 0;
        }

        .section-sub {
            margin-top: 14px;
            color: var(--muted);
            font-size: 15px;
        }

        .site-header {
            position: fixed;
            inset: 0 0 auto 0;
            z-index: 80;
            background: rgba(10, 11, 20, 0.5);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: background 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
        }

        .site-header.scrolled {
            background: rgba(10, 11, 20, 0.86);
            border-color: var(--line);
            box-shadow: 0 12px 42px rgba(0, 0, 0, 0.32);
        }

        .site-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            gap: 24px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--text);
            white-space: nowrap;
        }

        .brand-orb {
            width: 12px;
            height: 12px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            box-shadow: 0 0 14px var(--primary), 0 0 4px var(--accent);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-link {
            position: relative;
            padding: 8px 0;
            color: var(--muted);
            font-weight: 500;
            transition: color 0.3s ease, transform 0.3s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            border-radius: 99px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            box-shadow: 0 0 12px rgba(123, 93, 255, 0.65);
            transition: width 0.35s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--text);
            transform: translateY(-1px);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .mobile-toggle {
            display: none;
            width: 44px;
            height: 40px;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 10px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            transition: border-color 0.3s ease;
        }

        .mobile-toggle span {
            display: block;
            width: 18px;
            height: 2px;
            border-radius: 99px;
            background: rgba(255, 255, 255, 0.85);
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .mobile-toggle:hover {
            border-color: rgba(123, 93, 255, 0.6);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 20px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.2;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease, color 0.25s ease;
            outline: none;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid rgba(123, 93, 255, 0.4);
            outline-offset: 2px;
        }

        .btn-cyan {
            background: linear-gradient(135deg, #2DE2C6, #6ff0dc);
            color: #08121a;
            box-shadow: 0 12px 32px rgba(45, 226, 198, 0.25);
        }

        .btn-cyan:hover {
            box-shadow: 0 16px 42px rgba(45, 226, 198, 0.38);
            color: #08121a;
        }

        .btn-hot {
            background: linear-gradient(135deg, var(--hot), #ff6b83);
            color: #fff;
            box-shadow: 0 12px 32px rgba(255, 61, 95, 0.26);
        }

        .btn-hot:hover {
            color: #fff;
            box-shadow: 0 16px 42px rgba(255, 61, 95, 0.4);
        }

        .btn-line {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.18);
            color: var(--text);
        }

        .btn-line:hover {
            border-color: var(--primary);
            color: var(--text);
            box-shadow: 0 10px 28px rgba(123, 93, 255, 0.12);
        }

        .btn-sm {
            font-size: 13px;
            padding: 8px 14px;
        }

        .pill {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            padding: 3px 11px;
            font-size: 12px;
            font-weight: 600;
            border: 1px solid transparent;
            background: rgba(123, 93, 255, 0.12);
            color: #b9a6ff;
        }

        .pill-cyan {
            background: rgba(45, 226, 198, 0.1);
            color: var(--accent);
            border-color: rgba(45, 226, 198, 0.25);
        }

        .pill-hot {
            background: rgba(255, 61, 95, 0.1);
            color: #ff7d94;
            border-color: rgba(255, 61, 95, 0.3);
        }

        .surface-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .surface-card:hover {
            transform: translateY(-5px);
            border-color: rgba(123, 93, 255, 0.4);
            box-shadow: var(--shadow);
        }

        .category-hero {
            position: relative;
            padding: 168px 0 96px;
            overflow: hidden;
            background:
                radial-gradient(55% 75% at 80% 18%, rgba(123, 93, 255, 0.3), transparent 60%),
                radial-gradient(45% 60% at 8% 82%, rgba(45, 226, 198, 0.16), transparent 60%),
                linear-gradient(180deg, rgba(10, 11, 20, 0.28), rgba(10, 11, 20, 0.96)),
                url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 50% 0%, rgba(123, 93, 255, 0.18), transparent 42%);
            pointer-events: none;
        }

        .category-hero-inner {
            position: relative;
            z-index: 2;
        }

        .category-hero h1 {
            margin-top: 18px;
            font-size: clamp(40px, 7vw, 68px);
            font-weight: 900;
            line-height: 1.1;
            letter-spacing: 0.01em;
        }

        .category-hero-lead {
            margin-top: 18px;
            max-width: 660px;
            color: rgba(255, 255, 255, 0.78);
            font-size: clamp(15px, 2vw, 18px);
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 18px 36px;
            margin-top: 32px;
        }

        .stat-item b {
            display: block;
            font-size: 26px;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text);
        }

        .stat-item span {
            font-size: 13px;
            color: var(--weak);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 36px;
        }

        .focus-banner {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: flex-end;
            background:
                linear-gradient(180deg, rgba(10, 11, 20, 0.3) 0%, rgba(10, 11, 20, 0.35) 30%, rgba(10, 11, 20, 0.92) 100%),
                url("/assets/images/coverpic/cover-1.webp") center/cover no-repeat;
            border: 1px solid var(--line);
            transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
        }

        .focus-banner:hover {
            transform: translateY(-5px);
            border-color: rgba(45, 226, 198, 0.5);
            box-shadow: var(--shadow);
        }

        .focus-banner-content {
            padding: 30px;
        }

        .focus-mini {
            border-radius: var(--radius-md);
            padding: 26px 22px;
            background: var(--card);
            border: 1px solid var(--line);
            min-height: 208px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .focus-mini:hover {
            transform: translateY(-4px);
            border-color: rgba(123, 93, 255, 0.45);
        }

        .match-timeline {
            display: grid;
            grid-template-columns: repeat(4, minmax(250px, 1fr));
            gap: 18px;
            scroll-snap-type: x mandatory;
            overflow-x: auto;
            padding: 6px 2px 18px;
            scrollbar-width: thin;
            scrollbar-color: rgba(123, 93, 255, 0.5) transparent;
        }

        .match-timeline::-webkit-scrollbar {
            height: 6px;
        }

        .match-timeline::-webkit-scrollbar-thumb {
            background: rgba(123, 93, 255, 0.4);
            border-radius: 99px;
        }

        .timeline-item {
            position: relative;
            padding: 24px;
            border-radius: var(--radius-md);
            background: linear-gradient(160deg, rgba(123, 93, 255, 0.08), rgba(21, 24, 39, 0.9));
            border: 1px solid rgba(255, 255, 255, 0.08);
            scroll-snap-align: center;
            transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
        }

        .timeline-item:hover {
            transform: translateY(-6px);
            border-color: rgba(123, 93, 255, 0.55);
            box-shadow: 0 18px 50px rgba(0, 0, 0, 0.3);
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            top: 20px;
            right: 22px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 12px rgba(123, 93, 255, 0.8);
        }

        .tl-date {
            display: block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .timeline-item h3 {
            margin: 0;
            font-size: 19px;
            font-weight: 800;
            line-height: 1.4;
        }

        .timeline-item p {
            margin: 12px 0 18px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
        }

        .showdown-card {
            background: linear-gradient(140deg, #181b2e, #10131f);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(45, 226, 198, 0.14);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 360px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .showdown-card:hover {
            transform: translateY(-5px);
            border-color: rgba(45, 226, 198, 0.45);
        }

        .showdown-copy {
            padding: 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .showdown-score {
            display: flex;
            align-items: center;
            gap: 14px;
            margin: 18px 0;
        }

        .showdown-score strong {
            font-size: 34px;
            font-weight: 900;
            letter-spacing: 0.02em;
            color: var(--accent);
        }

        .showdown-teams {
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
        }

        .showdown-cover {
            min-height: 260px;
            background:
                linear-gradient(180deg, rgba(10, 11, 20, 0.1), rgba(10, 11, 20, 0.6)),
                url("/assets/images/coverpic/cover-3.png") center/cover no-repeat;
        }

        .report-list-card {
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 14px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .report-list-card:hover {
            transform: translateY(-4px);
            border-color: rgba(123, 93, 255, 0.45);
        }

        .report-list-card h4 {
            margin: 2px 0 0;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
        }

        .version-grid-card {
            background: rgba(21, 24, 39, 0.86);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: transform 0.3s ease, border-color 0.3s ease;
        }

        .version-grid-card:hover {
            transform: translateY(-4px);
            border-color: rgba(123, 93, 255, 0.45);
        }

        .version-grid-card h3 {
            margin: 0;
            font-size: 17px;
            font-weight: 700;
        }

        .watch-area {
            position: relative;
            border-radius: var(--radius-lg);
            background:
                linear-gradient(180deg, rgba(10, 11, 20, 0.2), rgba(10, 11, 20, 0.9)),
                url("/assets/images/coverpic/cover-5.png") center/cover no-repeat;
            padding: 42px;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 14px;
            padding: 8px 22px;
            transition: border-color 0.3s ease, background 0.3s ease;
        }

        .faq-item:hover {
            border-color: rgba(123, 93, 255, 0.32);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            padding: 16px 0;
            list-style: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            font-size: 26px;
            line-height: 1;
            color: var(--accent);
            font-weight: 400;
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-content {
            color: var(--muted);
            font-size: 15px;
            padding-bottom: 18px;
        }

        .cta-panel {
            border-radius: var(--radius-lg);
            padding: 44px 40px;
            background:
                radial-gradient(circle at 80% 20%, rgba(255, 61, 95, 0.2), transparent 38%),
                radial-gradient(circle at 10% 100%, rgba(45, 226, 198, 0.12), transparent 32%),
                linear-gradient(135deg, #151827, #10131f);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-footer {
            background: #0c0e18;
            border-top: 1px solid rgba(123, 93, 255, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 36px;
            padding: 64px 0 38px;
        }

        .footer-brand-copy {
            margin-top: 16px;
            max-width: 340px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-title {
            font-size: 15px;
            color: var(--text);
            font-weight: 700;
            margin: 2px 0 18px;
        }

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

        .footer-links a,
        .footer-links li {
            color: var(--muted);
            font-size: 14px;
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--line);
            padding: 22px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--weak);
            font-size: 13px;
        }

        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                padding-top: 48px;
            }
        }

        @media (max-width: 900px) {
            .nav-menu {
                position: absolute;
                top: 100%;
                left: 20px;
                right: 20px;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(10, 11, 20, 0.98);
                border: 1px solid var(--line);
                border-radius: 18px;
                padding: 16px;
                box-shadow: var(--shadow);
                backdrop-filter: blur(24px);
            }

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

            .nav-link::after {
                display: none;
            }

            .nav-link {
                padding: 12px 14px;
                border-radius: 10px;
                color: var(--text);
            }

            .nav-link.active {
                background: linear-gradient(90deg, rgba(123, 93, 255, 0.22), rgba(45, 226, 198, 0.12));
            }

            .mobile-toggle {
                display: flex;
            }

            .category-hero {
                padding: 130px 0 70px;
            }
        }

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

            .category-hero h1 {
                font-size: 42px;
            }

            .showdown-card {
                grid-template-columns: 1fr;
            }

            .showdown-cover {
                min-height: 200px;
                order: -1;
            }

            .watch-area {
                min-height: 320px;
                padding: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding-top: 40px;
            }

            .footer-bottom {
                flex-direction: column;
            }
        }

        @media (max-width: 520px) {
            .container {
                width: min(100% - 24px, 1200px);
            }

            .site-nav {
                min-height: 64px;
            }

            .navbar-brand {
                font-size: 17px;
            }

            .category-hero {
                padding: 118px 0 52px;
            }

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

            .category-hero-lead {
                font-size: 15px;
            }

            .hero-stats {
                gap: 16px;
            }

            .stat-item b {
                font-size: 20px;
            }

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

            .focus-banner-content {
                padding: 22px;
            }

            .timeline-item {
                padding: 20px;
            }

            .footer-bottom {
                align-items: flex-start;
            }
        }

/* roulang page: article */
:root {
  --bg-deep: #0A0B14;
  --bg-panel: #10131F;
  --bg-card: #151827;
  --line: rgba(255, 255, 255, .08);
  --line-strong: rgba(255, 255, 255, .16);
  --primary: #7B5DFF;
  --primary-hover: #9A7AFF;
  --accent: #2DE2C6;
  --cta: #FF3D5F;
  --rating: #F5C84B;
  --text: rgba(255, 255, 255, .92);
  --text-muted: rgba(255, 255, 255, .66);
  --text-weak: rgba(255, 255, 255, .42);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 12px 40px rgba(0, 0, 0, .22);
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "HarmonicOS Sans", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg-deep);
  background-image:
    radial-gradient(ellipse at 78% -10%, rgba(123, 93, 255, .14), transparent 52%),
    radial-gradient(ellipse at 14% 45%, rgba(45, 226, 198, .07), transparent 38%),
    radial-gradient(ellipse at 50% 110%, rgba(255, 61, 95, .05), transparent 45%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
}

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

h1,
h2,
h3,
h4 {
  margin: 0;
  font-weight: 800;
  letter-spacing: .01em;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.2;
  white-space: nowrap;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, #7B5DFF, #5E3FD9);
  color: #fff;
  box-shadow: 0 8px 28px rgba(123, 93, 255, .35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #9A7AFF, #7B5DFF);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(123, 93, 255, .42);
}

.btn-cta {
  background: linear-gradient(135deg, #FF3D5F, #D92645);
  color: #fff;
  box-shadow: 0 8px 28px rgba(255, 61, 95, .3);
}

.btn-cta:hover {
  filter: brightness(1.1);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(255, 61, 95, .42);
}

.btn-ghost {
  background: rgba(255, 255, 255, .04);
  border: 1px solid var(--line-strong);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-accent {
  background: rgba(45, 226, 198, .12);
  border: 1px solid rgba(45, 226, 198, .55);
  color: var(--accent);
}

.btn-accent:hover {
  background: var(--accent);
  color: #0A0B14;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(45, 226, 198, .28);
}

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(10, 11, 20, .82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  transition: border-color .3s ease, box-shadow .3s ease;
}

.site-header.scrolled {
  border-bottom-color: rgba(123, 93, 255, .28);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 20px;
  letter-spacing: .03em;
  color: #fff;
  line-height: 1.2;
}

.brand-orb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #ffffff, var(--primary) 46%, var(--accent) 100%);
  box-shadow: 0 0 18px rgba(123, 93, 255, .56);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  position: relative;
  display: block;
  padding: 10px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  color: var(--text-muted);
  transition: color .2s, background .2s;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, .04);
}

.nav-link.active {
  color: #fff;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  box-shadow: 0 0 10px rgba(123, 93, 255, .75);
}

.mobile-toggle {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.mobile-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: #fff;
  transition: transform .25s, opacity .2s;
}

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

.mobile-toggle.open span:nth-child(2) {
  opacity: 0;
}

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

/* ========== Article Hero ========== */
.article-hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 76px;
  border-bottom: 1px solid var(--line);
}

.article-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.article-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, rgba(10, 11, 20, .97) 0%, rgba(10, 11, 20, .82) 52%, rgba(123, 93, 255, .22) 100%),
    radial-gradient(circle at 80% 20%, rgba(45, 226, 198, .18), transparent 40%);
}

.article-hero .container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  color: var(--text-weak);
  font-size: 14px;
  margin-bottom: 22px;
}

.breadcrumb a {
  transition: color .2s;
}

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

.breadcrumb-sep {
  opacity: .45;
}

.breadcrumb-current {
  color: var(--text-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-hero h1 {
  max-width: 920px;
  font-size: 42px;
  line-height: 1.28;
  color: #fff;
  margin-bottom: 20px;
  text-wrap: balance;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  color: var(--text-muted);
  font-size: 14px;
  align-items: center;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.meta-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--primary);
  box-shadow: 0 0 8px rgba(123, 93, 255, .8);
}

/* ========== Article Layout ========== */
.article-section {
  padding: 64px 0 24px;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 356px;
  gap: 46px;
  align-items: start;
}

.article-main {
  min-width: 0;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 44px 48px;
  box-shadow: var(--shadow-card);
}

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

.article-content > * + * {
  margin-top: 1.25em;
}

.article-content h2 {
  margin-top: 1.8em;
  font-size: 26px;
  line-height: 1.45;
  padding-left: 15px;
  border-left: 4px solid var(--primary);
  color: #fff;
}

.article-content h3 {
  margin-top: 1.6em;
  font-size: 21px;
  line-height: 1.5;
  color: #fff;
}

.article-content h4 {
  margin-top: 1.4em;
  font-size: 18px;
  line-height: 1.5;
  color: #fff;
}

.article-content p {
  color: rgba(255, 255, 255, .88);
}

.article-content a {
  color: var(--accent);
  border-bottom: 1px solid rgba(45, 226, 198, .35);
}

.article-content ul,
.article-content ol {
  padding-left: 24px;
  color: var(--text-muted);
}

.article-content ul {
  list-style: square;
}

.article-content ol {
  list-style: decimal;
}

.article-content li {
  padding-left: 4px;
  margin-bottom: 8px;
}

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

.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(123, 93, 255, .08);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 16px 22px;
  color: var(--text-muted);
  font-size: 15px;
}

.article-content blockquote p {
  color: var(--text-muted);
}

.article-content img {
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  margin: 8px 0;
}

.article-content figure {
  margin: 28px 0;
}

.article-content figcaption {
  color: var(--text-weak);
  text-align: center;
  font-size: 13px;
  margin-top: 10px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  border: 1px solid var(--line);
  margin-top: 24px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}

.article-content th {
  background: rgba(123, 93, 255, .12);
  color: #fff;
  font-weight: 700;
}

.article-content td {
  color: var(--text-muted);
}

.article-content code {
  background: rgba(255, 255, 255, .06);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: .9em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  color: var(--accent);
}

.article-content hr {
  border: none;
  height: 1px;
  background: var(--line);
  margin: 36px 0;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.article-tags-label {
  font-size: 14px;
  color: var(--text-weak);
  margin-right: 4px;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  font-size: 13px;
  border-radius: 999px;
  border: 1px solid rgba(123, 93, 255, .45);
  color: var(--text-muted);
  transition: background .2s, border-color .2s, color .2s, transform .2s;
}

.tag:hover {
  border-color: var(--primary);
  background: rgba(123, 93, 255, .16);
  color: #fff;
  transform: translateY(-1px);
}

.article-summary {
  margin-top: 34px;
  padding: 22px 26px;
  background: linear-gradient(145deg, rgba(123, 93, 255, .13), rgba(45, 226, 198, .05));
  border: 1px solid rgba(123, 93, 255, .32);
  border-radius: var(--radius-md);
}

.article-summary h3 {
  font-size: 16px;
  color: #fff;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-summary h3 i {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--accent);
}

.article-summary p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

.back-entry {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 18px;
  min-height: 240px;
  text-align: center;
}

.nf-text {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
}

/* ========== Sidebar ========== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  position: sticky;
  top: 96px;
}

.widget {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: border-color .2s;
}

.widget:hover {
  border-color: rgba(123, 93, 255, .18);
}

.widget-title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.widget-title::before {
  content: '';
  display: block;
  width: 22px;
  height: 3px;
  border-radius: 4px;
  margin-bottom: 7px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.side-post {
  padding: 12px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, .06);
  display: block;
}

.side-post:last-child {
  border-bottom: none;
}

.side-post:hover h4 {
  color: var(--accent);
}

.side-post h4 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 5px;
  transition: color .2s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.side-post span {
  font-size: 13px;
  color: var(--text-weak);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.widget-promo {
  padding: 0;
  overflow: hidden;
  position: relative;
  border: none;
}

.widget-promo img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.widget-promo .promo-mask {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 32%, rgba(10, 11, 20, .94) 100%);
}

.promo-copy {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 16px;
  z-index: 2;
}

.promo-copy span {
  font-size: 13px;
  color: var(--accent);
}

.promo-copy h3 {
  color: #fff;
  font-size: 18px;
  margin: 4px 0 10px;
  line-height: 1.4;
}

/* ========== Section ========== */
.section {
  padding: 70px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 38px;
}

.section-head h2 {
  font-size: 30px;
  color: #fff;
  line-height: 1.3;
}

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .16em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

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

.post-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .25s, border-color .25s, box-shadow .25s;
}

.post-card:hover {
  transform: translateY(-6px);
  border-color: rgba(123, 93, 255, .4);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .32);
}

.post-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease;
}

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

.post-info {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-tag {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 12px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid rgba(45, 226, 198, .48);
  color: var(--accent);
  margin-bottom: 12px;
}

.post-tag-purple {
  border-color: rgba(123, 93, 255, .5);
  color: var(--primary-hover);
}

.post-tag-hot {
  border-color: rgba(255, 61, 95, .5);
  color: #FF6B86;
}

.post-info h3 {
  font-size: 18px;
  line-height: 1.5;
  color: #fff;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-info p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-date {
  font-size: 13px;
  color: var(--text-weak);
  margin-top: auto;
}

/* ========== CTA ========== */
.download-cta {
  position: relative;
  overflow: hidden;
  padding: 80px 0;
  background: center / cover no-repeat;
}

.download-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(720px at 82% 12%, rgba(123, 93, 255, .38), transparent 62%),
    linear-gradient(90deg, rgba(10, 11, 20, .96) 12%, rgba(10, 11, 20, .78) 100%);
}

.download-cta .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-copy h2 {
  font-size: 34px;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 14px;
}

.cta-copy > p {
  max-width: 640px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.75;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.cta-panel {
  width: 250px;
  flex-shrink: 0;
  padding: 22px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  background: rgba(10, 11, 20, .62);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .28);
}

.cta-panel-title {
  font-size: 17px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.cta-version-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 13px;
  color: var(--text-muted);
}

.cta-version-line strong {
  color: var(--text);
  font-weight: 600;
}

.cta-panel .btn {
  width: 100%;
  margin-top: 18px;
}

/* ========== Footer ========== */
.site-footer {
  border-top: 1px solid rgba(45, 226, 198, .16);
  background: linear-gradient(180deg, #0B0C17, #070810);
  padding: 58px 0 24px;
  margin-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: 44px;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

.footer-brand-copy {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 14px;
  max-width: 320px;
}

.footer-title {
  font-size: 16px;
  color: #fff;
  margin-bottom: 14px;
}

.footer-links li,
.footer-links li span {
  margin-bottom: 10px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

.footer-links a {
  color: var(--text-muted);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}

.footer-links a:hover {
  color: var(--accent);
  padding-left: 5px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding-top: 24px;
  color: var(--text-weak);
  font-size: 13px;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .container {
    padding: 0 20px;
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 28px;
  }

  .article-main {
    padding: 36px 32px;
  }

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

@media (max-width: 880px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .widget-promo img {
    height: 160px;
  }

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

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

  .download-cta .container {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 15px;
  }

  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px;
    background: rgba(10, 11, 20, .97);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--line);
    border-radius: 0 0 18px 18px;
    box-shadow: 0 28px 60px rgba(0, 0, 0, .4);
    display: none;
  }

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

  .nav-link {
    padding: 14px 18px;
    font-size: 16px;
    border-radius: 10px;
  }

  .nav-link.active::after {
    left: 18px;
    width: 34px;
  }

  .article-hero {
    padding: 62px 0 50px;
  }

  .article-hero h1 {
    font-size: 30px;
  }

  .section {
    padding: 54px 0;
  }

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

  .article-main {
    padding: 28px 20px;
  }

  .article-content {
    font-size: 16px;
    line-height: 1.85;
  }

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

  .back-entry {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn {
    width: 100%;
  }
}

@media (max-width: 560px) {
  .container {
    padding: 0 16px;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .article-meta {
    gap: 8px 16px;
    font-size: 13px;
  }

  .cta-panel {
    width: 100%;
  }

  .post-info {
    padding: 18px;
  }
}

/* roulang page: category2 */
:root {
    --bg: #0A0B14;
    --bg-panel: #10131F;
    --card: #151827;
    --border: rgba(255, 255, 255, 0.08);
    --primary: #7B5DFF;
    --primary-hover: #9A7AFF;
    --accent: #2DE2C6;
    --cta: #FF3D5F;
    --star: #F5C84B;
    --text: rgba(255, 255, 255, 0.92);
    --text-2: rgba(255, 255, 255, 0.66);
    --text-3: rgba(255, 255, 255, 0.42);
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
    --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonicOS Sans", -apple-system, BlinkMacSystemFont, sans-serif;
}
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
}
ul,
ol {
    list-style: none;
}
button,
input,
summary {
    font-family: inherit;
}
:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 4px;
}
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
}
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: rgba(10, 11, 20, 0.78);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}
.site-header.scrolled {
    background: rgba(10, 11, 20, 0.92);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.28);
}
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.02em;
    white-space: nowrap;
}
.brand-orb {
    width: 28px;
    height: 28px;
    flex: none;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #8EFFE8, var(--primary) 66%, #4A2EB0);
    box-shadow: 0 0 18px rgba(123, 93, 255, 0.75), 0 0 34px rgba(45, 226, 198, 0.25);
}
.nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 40px;
    padding: 0 18px;
    border-radius: 999px;
    color: var(--text-2);
    font-size: 15px;
    font-weight: 500;
    transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.nav-link:hover {
    color: #fff;
    background: rgba(123, 93, 255, 0.12);
    transform: translateY(-1px);
}
.nav-link.active {
    color: #fff;
    background: linear-gradient(120deg, rgba(45, 226, 198, 0.2), rgba(123, 93, 255, 0.25));
    box-shadow: inset 0 0 20px rgba(123, 93, 255, 0.16), 0 0 18px rgba(123, 93, 255, 0.16);
}
.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}
.mobile-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform 0.2s ease, opacity 0.2s ease;
}
.mobile-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-toggle.open span:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.section-hero {
    position: relative;
    overflow: hidden;
    padding: 96px 0 78px;
}
.section-hero .hero-bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image: radial-gradient(circle at 24% 22%, rgba(45, 226, 198, 0.15), transparent 32%), radial-gradient(circle at 72% 16%, rgba(123, 93, 255, 0.3), transparent 45%), radial-gradient(circle at 30% 70%, rgba(255, 61, 95, 0.14), transparent 38%), linear-gradient(180deg, #0d0f1e 0%, #0a0b14 100%), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
}
.section-hero .hero-bg:after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(10, 11, 20, 0.28) 0%, rgba(10, 11, 20, 0.78) 100%);
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(45, 226, 198, 0.3);
    background: rgba(45, 226, 198, 0.08);
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 20px;
}
.section-hero h1 {
    font-size: clamp(42px, 6vw, 64px);
    font-weight: 900;
    letter-spacing: 0.01em;
    line-height: 1.12;
    color: #fff;
    margin-bottom: 18px;
}
.hero-desc {
    max-width: 720px;
    color: rgba(255, 255, 255, 0.76);
    font-size: 17px;
    line-height: 1.9;
    margin-bottom: 30px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 12px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}
.btn:active {
    transform: translateY(1px) scale(0.99);
}
.btn-cta {
    background: linear-gradient(135deg, #ff3d5f, #ff6b58);
    color: #fff;
    box-shadow: 0 10px 26px rgba(255, 61, 95, 0.32);
}
.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(255, 61, 95, 0.4);
}
.btn-ghost {
    border-color: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.86);
    background: rgba(255, 255, 255, 0.04);
}
.btn-ghost:hover {
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 26px rgba(123, 93, 255, 0.16);
}
.btn-purple {
    background: linear-gradient(135deg, var(--primary), #9A7AFF);
    color: #fff;
    box-shadow: 0 10px 26px rgba(123, 93, 255, 0.3);
}
.btn-purple:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 34px rgba(123, 93, 255, 0.42);
}
.hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 34px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}
.hero-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.hero-meta span::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent);
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px;
    max-width: 1200px;
    margin: 0 auto;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.44);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb span {
    color: rgba(255, 255, 255, 0.24);
}
.breadcrumb .current {
    color: rgba(255, 255, 255, 0.68);
}
.section-space {
    padding: 72px 0;
}
.category-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 44px;
    align-items: start;
    padding: 26px 0 70px;
}
.toc-aside {
    position: sticky;
    top: 96px;
}
.toc-card {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}
.toc-card-title {
    font-size: 14px;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.56);
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.toc-card-title::after {
    content: "";
    height: 1px;
    flex: 1;
    background: rgba(255, 255, 255, 0.08);
}
.toc-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.toc-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.58);
    font-size: 14px;
    line-height: 1.4;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.toc-nav a::before {
    content: "";
    width: 6px;
    height: 6px;
    flex: none;
    background: rgba(123, 93, 255, 0.55);
    border-radius: 50%;
    transition: background 0.2s ease, box-shadow 0.2s ease;
}
.toc-nav a:hover {
    color: #fff;
    background: rgba(123, 93, 255, 0.12);
    transform: translateX(2px);
}
.toc-nav a:hover::before {
    background: var(--accent);
    box-shadow: 0 0 10px rgba(45, 226, 198, 0.55);
}
.guide-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.eyebrow {
    display: inline-block;
    color: var(--accent);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
}
.section-title {
    font-size: 28px;
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
}
.section-subtext {
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.64);
    max-width: 680px;
}
.guide-overview {
    background: linear-gradient(135deg, rgba(123, 93, 255, 0.12), rgba(45, 226, 198, 0.06));
    border: 1px solid rgba(123, 93, 255, 0.22);
    border-radius: var(--radius-lg);
    padding: 26px 28px;
}
.guide-overview p {
    color: rgba(255, 255, 255, 0.76);
    font-size: 15px;
    line-height: 1.9;
}
.guide-longread {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: rgba(21, 24, 39, 0.8);
    overflow: hidden;
}
.guide-article {
    padding: 32px 36px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}
.guide-article:last-child {
    border-bottom: 0;
}
.guide-index {
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
    display: block;
}
.guide-article h2 {
    font-size: 23px;
    color: #fff;
    font-weight: 800;
    margin-bottom: 14px;
    line-height: 1.45;
}
.guide-article p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.9;
    margin-bottom: 16px;
    font-size: 15.5px;
}
.guide-article ul {
    margin: 10px 0 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.guide-article ul li {
    position: relative;
    padding-left: 24px;
    color: rgba(255, 255, 255, 0.64);
    line-height: 1.8;
}
.guide-article ul li::before {
    content: "";
    position: absolute;
    left: 4px;
    top: 12px;
    width: 8px;
    height: 8px;
    border-radius: 3px;
    background: linear-gradient(135deg, var(--accent), var(--primary));
    box-shadow: 0 0 10px rgba(45, 226, 198, 0.4);
}
.guide-quote {
    border-left: 3px solid var(--accent);
    background: rgba(45, 226, 198, 0.07);
    padding: 14px 18px;
    border-radius: 0 12px 12px 0;
    color: rgba(255, 255, 255, 0.82);
    font-size: 15px;
    line-height: 1.8;
    margin: 18px 0 6px;
}
.media-note {
    margin-top: 20px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
}
.media-note img {
    width: 100%;
    height: auto;
    min-height: 180px;
    object-fit: cover;
    opacity: 0.96;
}
.media-note figcaption {
    display: block;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.02);
    color: rgba(255, 255, 255, 0.46);
    font-size: 13px;
}
.review-index {
    padding: 30px 36px;
    background: var(--bg-panel);
}
.review-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 22px;
}
.review-head h3 {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 4px;
}
.review-head p {
    color: rgba(255, 255, 255, 0.46);
    font-size: 13px;
}
.score-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}
.score-row {
    background: rgba(255, 255, 255, 0.035);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 14px 16px;
}
.score-label {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 14px;
    margin-bottom: 10px;
}
.score-label strong {
    color: #fff;
    font-weight: 800;
}
.score-track {
    height: 6px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
.score-value {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
}
.score-total {
    color: rgba(255, 255, 255, 0.26);
    font-size: 12px;
}
.guide-picks {
    background: var(--bg-panel);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.picks-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}
.picks-head .section-title {
    font-size: 26px;
}
.picks-grid {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 18px;
}
.guide-pick {
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.24s ease, border-color 0.24s ease, box-shadow 0.24s ease;
    display: flex;
    flex-direction: column;
    min-width: 0;
}
.guide-pick:hover {
    transform: translateY(-5px);
    border-color: rgba(123, 93, 255, 0.5);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.34), 0 0 20px rgba(123, 93, 255, 0.18);
}
.guide-pick.large {
    grid-column: 1 / -1;
    flex-direction: row;
}
.guide-pick.half {
    grid-column: span 3;
}
.guide-pick.small {
    grid-column: span 2;
}
.pick-cover {
    position: relative;
    overflow: hidden;
    flex: none;
}
.guide-pick.large .pick-cover {
    width: 46%;
}
.guide-pick:not(.large) .pick-cover {
    width: 100%;
    height: 150px;
}
.pick-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.guide-pick:hover .pick-cover img {
    transform: scale(1.05);
}
.pick-cat {
    position: absolute;
    left: 12px;
    top: 12px;
    background: rgba(10, 11, 20, 0.68);
    border: 1px solid rgba(45, 226, 198, 0.36);
    color: var(--accent);
    line-height: 1;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.pick-body {
    padding: 20px 20px 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.guide-pick.large .pick-body {
    padding: 30px 32px;
    justify-content: center;
}
.pick-body h3 {
    font-size: 18px;
    line-height: 1.45;
    color: #fff;
    font-weight: 800;
}
.guide-pick.large .pick-body h3 {
    font-size: 25px;
}
.pick-body p {
    color: rgba(255, 255, 255, 0.56);
    font-size: 14px;
    line-height: 1.8;
    margin: 0;
}
.pick-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
    color: rgba(255, 255, 255, 0.36);
    font-size: 12px;
    margin-top: auto;
    padding-top: 6px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.pick-meta .badge {
    border: 1px solid rgba(45, 226, 198, 0.3);
    color: var(--accent);
}
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.04);
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
}
.badge-rank {
    border-color: rgba(245, 200, 75, 0.28);
    color: var(--star);
}
.faq-section {
    padding: 72px 0 34px;
}
.faq-heading {
    margin-bottom: 34px;
}
.faq-wrap {
    max-width: 960px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.22s ease, box-shadow 0.22s ease;
}
.faq-item[open] {
    border-color: rgba(123, 93, 255, 0.3);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}
.faq-q {
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    padding: 18px 22px;
    color: rgba(255, 255, 255, 0.86);
    font-size: 16px;
    font-weight: 700;
    list-style: none;
}
.faq-q::-webkit-details-marker {
    display: none;
}
.faq-q::before {
    content: "";
    width: 30px;
    height: 30px;
    flex: none;
    background: rgba(123, 93, 255, 0.16);
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-hover);
    font-weight: 900;
    font-size: 13px;
    box-shadow: inset 0 0 14px rgba(123, 93, 255, 0.12);
}
.faq-item:nth-child(1) .faq-q::before {
    content: "问";
}
.faq-item:nth-child(2) .faq-q::before {
    content: "更";
}
.faq-item:nth-child(3) .faq-q::before {
    content: "投";
}
.faq-item:nth-child(4) .faq-q::before {
    content: "版";
}
.faq-item:nth-child(5) .faq-q::before {
    content: "配";
}
.faq-a {
    padding: 0 22px 20px 66px;
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.85;
    font-size: 15px;
}
.cta-box {
    position: relative;
    overflow: hidden;
    margin: 56px 0 72px;
    background: linear-gradient(120deg, rgba(123, 93, 255, 0.18), rgba(45, 226, 198, 0.08)), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 20px;
    text-align: center;
    padding: 70px 32px;
}
.cta-box:after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, transparent, rgba(10, 11, 20, 0.72) 100%);
    pointer-events: none;
}
.cta-inner {
    position: relative;
    z-index: 2;
}
.cta-inner h2 {
    font-size: 30px;
    color: #fff;
    font-weight: 900;
    margin-bottom: 12px;
}
.cta-inner p {
    max-width: 680px;
    margin: 0 auto 28px;
    color: rgba(255, 255, 255, 0.68);
    font-size: 16px;
    line-height: 1.9;
}
.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    align-items: center;
    flex-wrap: wrap;
}
.site-footer {
    background: var(--bg-panel);
    border-top: 1px solid rgba(45, 226, 198, 0.14);
    padding: 56px 0 20px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 28px;
    padding-bottom: 38px;
}
.footer-brand-copy {
    margin-top: 14px;
    color: rgba(255, 255, 255, 0.46);
    line-height: 1.8;
    font-size: 14px;
    max-width: 280px;
}
.footer-title {
    color: rgba(255, 255, 255, 0.92);
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: 0.02em;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}
.footer-links li {
    line-height: 1.7;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    transition: color 0.2s ease;
}
.footer-links a:hover {
    color: var(--accent);
}
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
    padding-top: 20px;
    color: rgba(255, 255, 255, 0.3);
    font-size: 13px;
}
@media (max-width: 1024px) {
    .category-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .toc-aside {
        position: static;
    }
    .toc-card {
        padding: 16px 18px;
    }
    .toc-nav {
        flex-direction: row;
        gap: 6px;
        overflow-x: auto;
        padding-bottom: 6px;
    }
    .toc-nav a {
        white-space: nowrap;
        padding: 8px 12px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .score-list {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .section-hero {
        padding: 62px 0 52px;
    }
    .section-hero h1 {
        font-size: 38px;
    }
    .hero-desc {
        font-size: 15px;
    }
    .hero-meta {
        gap: 10px 16px;
    }
    .mobile-toggle {
        display: flex;
    }
    .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        background: rgba(10, 11, 20, 0.97);
        backdrop-filter: blur(18px);
        padding: 16px;
        border-bottom: 1px solid var(--border);
    }
    .nav-menu.nav-open {
        display: flex;
    }
    .nav-link {
        display: flex;
        min-height: 46px;
        justify-content: center;
        font-size: 16px;
    }
    .site-nav {
        height: 64px;
    }
    .navbar-brand {
        font-size: 18px;
    }
    .guide-article {
        padding: 24px 20px;
    }
    .guide-article h2 {
        font-size: 19px;
    }
    .category-layout {
        padding-top: 0;
    }
    .guide-picks {
        padding-top: 48px;
    }
    .guide-pick.large,
    .guide-pick.half,
    .guide-pick.small {
        grid-column: 1 / -1;
        flex-direction: column;
    }
    .guide-pick.large .pick-cover {
        width: 100%;
        height: 190px;
    }
    .faq-a {
        padding-left: 24px;
        padding-right: 20px;
    }
}
@media (max-width: 520px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .btn {
        width: 100%;
    }
    .cta-actions .btn {
        width: auto;
    }
    .guide-pick:not(.large) .pick-cover {
        height: 180px;
    }
    .breadcrumb {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* roulang page: category3 */
:root{
            --bg:#0A0B14;
            --bg-soft:#10131F;
            --card:#151827;
            --line:rgba(255,255,255,.08);
            --line-strong:rgba(255,255,255,.14);
            --brand:#7B5DFF;
            --brand-hover:#9A7AFF;
            --cyan:#2DE2C6;
            --cta:#FF3D5F;
            --text-1:rgba(255,255,255,.92);
            --text-2:rgba(255,255,255,.66);
            --text-3:rgba(255,255,255,.42);
            --r-lg:20px;
            --r-md:14px;
            --r-sm:8px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            background:var(--bg);
            font-family:"PingFang SC","Microsoft YaHei","HarmonicOS Sans","Noto Sans SC",sans-serif;
            color:var(--text-1);
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
        }
        img{max-width:100%;display:block}
        a{color:inherit;text-decoration:none;transition:.25s ease}
        ul,ol{list-style:none}
        button{background:none;border:0;font-family:inherit;cursor:pointer}
        ::selection{background:rgba(123,93,255,.45);color:#fff}
        .container{max-width:1240px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
        .text-glow-purple{text-shadow:0 0 26px rgba(123,93,255,.35)}
        .text-glow-cyan{text-shadow:0 0 18px rgba(45,226,198,.22)}
        .section-block{padding:96px 0}
        .section-head{margin-bottom:36px;max-width:820px}
        .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cyan);font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
        .eyebrow::before{content:"◆";font-size:11px}
        .section-head h2{font-size:32px;line-height:1.25;font-weight:800;color:var(--text-1);letter-spacing:.01em}
        .section-head p{color:var(--text-2);font-size:15px;margin-top:10px}
        .section-head.light h2{color:#fff}
        .pill{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.04)}
        .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-sm);font-weight:700;font-size:15px;line-height:1;white-space:nowrap;transition:box-shadow .25s ease,transform .25s ease,background .25s ease,border-color .25s ease,color .25s}
        .btn-primary{background:linear-gradient(135deg,#7B5DFF,#FF3D5F);border:1px solid rgba(255,255,255,.12);color:#fff;box-shadow:0 8px 28px rgba(255,61,95,.22)}
        .btn-primary:hover{background:linear-gradient(135deg,#9A7AFF,#ff6277);transform:translateY(-2px);box-shadow:0 14px 32px rgba(123,93,255,.34)}
        .btn-primary:focus-visible{outline:3px solid rgba(154,122,255,.6);outline-offset:3px}
        .btn-ghost{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.9)}
        .btn-ghost:hover{color:#fff;border-color:var(--brand);transform:translateY(-2px);box-shadow:0 10px 26px rgba(123,93,255,.18)}
        .btn-dark{background:#fff;color:#131420}
        .card-elevate{transition:transform .3s ease,border-color .3s,box-shadow .3s}
        .card-elevate:hover{transform:translateY(-6px);border-color:rgba(123,93,255,.35);box-shadow:0 14px 40px rgba(0,0,0,.3)}
        .container-btn{width:100%;justify-content:center}

        .site-header{position:sticky;top:0;z-index:50;background:rgba(10,11,20,.86);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.07)}
        .site-nav{display:flex;align-items:center;justify-content:space-between;height:70px}
        .navbar-brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.02em;color:rgba(255,255,255,.94)}
        .brand-orb{display:inline-block;width:24px;height:24px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#9A7AFF,#7B5DFF 55%,#2DE2C6 125%);box-shadow:0 0 12px rgba(123,93,255,.65);position:relative}
        .brand-orb::after{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid rgba(154,122,255,.22)}
        .nav-menu{display:flex;align-items:center;gap:6px}
        .nav-link{position:relative;padding:10px 14px;font-size:15px;color:rgba(255,255,255,.64);font-weight:500;border-radius:8px}
        .nav-link:hover{color:rgba(255,255,255,.95)}
        .nav-link.active{color:rgba(255,255,255,.96)}
        .nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:9px;background:linear-gradient(90deg,var(--brand),var(--cyan));box-shadow:0 0 10px rgba(123,93,255,.7)}
        .mobile-toggle{display:none;flex-direction:column;gap:5px;padding:10px;border-radius:8px}
        .mobile-toggle span{width:22px;height:2px;background:rgba(255,255,255,.88);border-radius:2px;transition:.3s}
        .site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,#0E101B 0%,#0A0B14 100%)}
        .site-footer .navbar-brand{margin-bottom:14px}
        .footer-grid{display:grid;grid-template-columns:1.4fr .9fr 1fr 1.1fr;gap:32px;padding:56px 0 36px}
        .footer-brand-copy{color:var(--text-3);font-size:14px;line-height:1.8}
        .footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;padding-left:10px;border-left:2px solid var(--brand)}
        .footer-links li{margin-bottom:9px;font-size:14px;color:var(--text-2)}
        .footer-links a{color:var(--text-2)}
        .footer-links a:hover{color:#fff;padding-left:4px}
        .footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:20px 0 28px;color:var(--text-3);font-size:13px}
        .site-footer .navbar-brand{font-size:18px}
        .site-footer .brand-orb{width:20px;height:20px}
        @media (max-width:1024px){
            .footer-grid{grid-template-columns:1fr 1fr}
        }
        @media (max-width:768px){
            .section-block{padding:68px 0}
            .container{padding-left:16px;padding-right:16px}
            .site-nav{height:64px}
            .mobile-toggle{display:flex}
            .nav-menu{position:absolute;top:64px;left:0;right:0;display:flex;flex-direction:column;align-items:stretch;gap:2px;padding:14px 16px;background:rgba(10,11,20,.97);backdrop-filter:blur(24px);border-bottom:1px solid var(--line);box-shadow:0 24px 28px rgba(0,0,0,.4);transform:scaleY(.85);transform-origin:top;opacity:0;pointer-events:none;transition:.28s ease}
            .nav-menu.open{opacity:1;transform:scaleY(1);pointer-events:auto}
            .nav-link{padding:13px 12px;font-size:16px}
            .nav-link.active::after{width:36px}
            .section-head h2{font-size:26px}
            .btn{width:100%}
        }
        @media (max-width:520px){
            .footer-grid{grid-template-columns:1fr;padding:40px 0 24px}
            .footer-bottom{flex-direction:column;justify-content:flex-start;align-items:flex-start}
            .eyebrow{font-size:12px}
        }
        .cat-hero{position:relative;padding:110px 0 112px;border-bottom:1px solid var(--line);overflow:hidden;background-image:url('/assets/images/backpic/back-3.webp');background-position:center;background-size:cover;background-repeat:no-repeat}
        .cat-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 18% 20%,rgba(123,93,255,.24),transparent 46%),linear-gradient(105deg,rgba(8,9,16,.96) 0%,rgba(10,11,20,.9) 44%,rgba(17,18,34,.66) 100%)}
        .cat-hero .container{position:relative;z-index:3}
        .hero-hi-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(45,226,198,.1);border:1px solid rgba(45,226,198,.36);color:#bafff0;font-size:13px;font-weight:600}
        .hero-hi-badge svg{width:15px;height:15px}
        .cat-hero h1{font-size:48px;font-weight:900;line-height:1.12;letter-spacing:.01em;margin-top:24px;color:#fff;text-shadow:0 0 32px rgba(123,93,255,.32)}
        .cat-hero .hero-desc{max-width:680px;margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.78)}
        .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
        .hero-meta{padding:20px 24px;margin-top:40px;border:1px solid rgba(255,255,255,.13);border-radius:var(--r-lg);background:rgba(16,19,31,.75);backdrop-filter:blur(16px);display:grid;grid-template-columns:repeat(4,auto);justify-content:space-between;gap:20px;max-width:640px}
        .hero-meta-item strong{display:block;font-size:17px;color:#fff;margin-bottom:4px}
        .hero-meta-item span{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2)}
        .upcoming-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px}
        .feature-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
        .feature-card-visual{height:250px;position:relative;overflow:hidden}
        .feature-card-visual img{width:100%;height:100%;object-fit:cover}
        .feature-card-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,19,31,0) 38%,rgba(16,19,31,.93) 100%)}
        .feature-card-body{padding:0 26px 26px;margin-top:-82px;position:relative;z-index:2}
        .feature-card-body h3{font-size:20px;font-weight:800;color:#fff;margin-top:10px}
        .feature-card-body p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8}
        .timeline-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 28px;overflow:hidden}
        .timeline-card .update-line{display:grid;grid-template-columns:90px 1fr auto;gap:18px;padding:20px 0;border-top:1px solid var(--line);align-items:start;transition:.3s}
        .timeline-card .update-line:hover{background:rgba(255,255,255,.025)}
        .timeline-card .update-line:first-child{border-top:0;padding-top:8px}
        .update-ver{font-size:11px;font-weight:700;color:#fff;background:rgba(123,93,255,.25);border-radius:999px;height:28px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;width:max-content}
        .update-line h4{font-size:15px;color:rgba(255,255,255,.94);font-weight:700}
        .update-line p{font-size:13px;color:var(--text-3);margin-top:5px}
        .update-date{font-size:12px;color:var(--text-3);white-space:nowrap;padding-top:5px}
        .update-tag{font-size:11px;color:var(--cyan);font-weight:600}
        .split-feature{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:center}
        .split-feature-img{position:relative;border-radius:var(--r-lg);overflow:hidden;max-height:380px}
        .split-feature-img img{width:100%;height:100%;object-fit:cover}
        .split-points{display:grid;grid-template-columns:1fr 1fr;gap:16px}
        .point-card{display:flex;gap:14px;background:#15182788;border:1px solid var(--line);border-radius:var(--r-md);padding:18px 18px;transition:all .3s}
        .point-card:hover{background:var(--card);border-color:rgba(123,93,255,.45);transform:translateY(-4px)}
        .point-icon{width:34px;height:34px;min-width:34px;border-radius:9px;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:rgba(123,93,255,.24);box-shadow:0 0 12px rgba(123,93,255,.15)}
        .point-content h4{font-size:16px;font-weight:700;color:#fff}
        .point-content p{margin-top:5px;font-size:14px;line-height:1.7;color:var(--text-2)}
        .help-deck{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
        .help-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px}
        .help-card .card-topline{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:14px}
        .help-card .topnum{font-size:28px;font-weight:900;color:rgba(255,255,255,.13);line-height:1}
        .help-card h3{font-size:18px;color:#fff;font-weight:800}
        .help-card li{position:relative;color:var(--text-2);font-size:14px;line-height:1.8;padding-left:18px;margin-top:8px}
        .help-card li::before{content:"›";position:absolute;left:0;top:0;color:var(--cyan);font-weight:700}
        .help-card ol{counter-reset:step}
        .help-card ol li{counter-increment:step;padding-left:0}
        .help-card ol li::before{content:counter(step);position:absolute;left:0;top:0;width:18px;height:18px;border-radius:50%;background:rgba(123,93,255,.22);color:var(--brand-hover);display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:700}
        .faq-panel{max-width:900px;margin:0 auto}
        .faq-item{border:1px solid var(--line);background:var(--card);margin-bottom:12px;border-radius:var(--r-md);transition:.25s}
        .faq-item[open]{border-color:rgba(123,93,255,.45);background:#171b2b}
        .faq-item summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:15px;font-weight:600;color:#fff}
        .faq-item summary::-webkit-details-marker{display:none}
        .faq-item summary::after{content:"+";width:28px;height:28px;min-width:28px;border-radius:8px;background:rgba(123,93,255,.2);color:var(--brand-hover);display:inline-flex;align-items:center;justify-content:center;font-size:18px;transition:.3s}
        .faq-item[open] summary::after{content:"−";background:rgba(45,226,198,.2);color:var(--cyan)}
        .faq-panel-ans{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.8}
        .cta-zone{position:relative;border-radius:26px;padding:54px 40px;background:linear-gradient(135deg,rgba(123,93,255,.18),rgba(21,24,39,.82) 45%),url('/assets/images/backpic/back-2.webp') center/cover;border:1px solid rgba(255,255,255,.12);overflow:hidden}
        .cta-zone h2{font-size:30px;font-weight:800;color:#fff}
        .cta-zone p{color:var(--text-2);font-size:15px;margin-top:12px;max-width:700px}
        .cta-buttons{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
        @media (max-width:1024px){
            .cat-hero h1{font-size:40px}
            .upcoming-grid{grid-template-columns:1fr}
            .split-feature{grid-template-columns:1fr;gap:28px}
            .help-deck{grid-template-columns:1fr 1fr}
        }
        @media (max-width:768px){
            .cat-hero{padding:66px 0 58px}
            .cat-hero h1{font-size:34px}
            .cat-hero .hero-desc{font-size:15px}
            .hero-meta{grid-template-columns:repeat(2,1fr);margin-top:26px;padding:18px}
            .split-points{grid-template-columns:1fr}
            .help-deck{grid-template-columns:1fr;gap:16px}
            .cta-zone{padding:34px 20px}
            .cta-zone h2{font-size:24px}
            .feature-card-body{padding:0 18px 18px}
        }