/* roulang page: index */
:root {
        --bg: #0c0f16;
        --bg-deep: #080a10;
        --panel: #121720;
        --panel-2: #161d28;
        --brand: #23d1b6;
        --brand-bright: #43ebd2;
        --brand-ink: #062019;
        --paper: #f5f2ea;
        --paper-card: #fbfaf6;
        --ink: #f4f8f7;
        --muted: #a2adb3;
        --warm: #f2c46d;
        --line: rgba(255, 255, 255, .08);
        --line-dark: rgba(8, 12, 20, .09);
        --r-lg: 22px;
        --r-md: 14px;
        --r-sm: 8px;
        --shadow-lg: 0 24px 70px rgba(0, 0, 0, .28);
        --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
        --font-num: "Inter", "DIN Alternate", "Bahnschrift", ui-sans-serif, monospace;
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--ink);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    img {
        display: block;
        max-width: 100%;
    }
    a {
        color: inherit;
        text-decoration: none;
    }
    ul,
    ol {
        list-style: none;
    }
    button,
    input {
        font-family: inherit;
    }
    input {
        outline: none;
    }
    .container {
        width: min(100% - 48px, 1280px);
        margin-inline: auto;
    }

    .section-pad {
        padding-block: 90px;
    }

    /* 通用小组件 */
    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 12px;
        letter-spacing: .14em;
        text-transform: uppercase;
        color: var(--brand);
        font-weight: 600;
    }
    .eyebrow::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--brand);
    }
    .section-title {
        font-size: clamp(1.8rem, 3.4vw, 2.7rem);
        line-height: 1.25;
        font-weight: 700;
        letter-spacing: -0.02em;
        margin-block: 12px 16px;
    }
    .section-lead {
        max-width: 680px;
        color: var(--muted);
        font-size: 16px;
        margin-bottom: 32px;
    }

    .btn-primary,
    .btn-outline,
    .btn-light {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        min-height: 46px;
        padding: 0 26px;
        border-radius: 10px;
        font-weight: 600;
        font-size: 15px;
        transition: transform .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
    }
    .btn-primary {
        background: var(--brand);
        color: var(--brand-ink);
        border: 1px solid transparent;
    }
    .btn-primary:hover {
        background: var(--brand-bright);
        transform: translateY(-2px);
    }
    .btn-primary:active {
        transform: scale(.98);
    }
    .btn-outline {
        background: transparent;
        border: 1px solid rgba(255, 255, 255, .22);
        color: #f4f8f7;
    }
    .btn-outline:hover {
        border-color: rgba(35, 209, 182, .6);
        background: rgba(35, 209, 182, .08);
    }
    .btn-light {
        background: #fffdf7;
        color: #101722;
        border: 1px solid transparent;
    }
    .btn-light:hover {
        background: #f2c46d;
        transform: translateY(-2px);
    }
    .btn-light:active {
        transform: scale(.98);
    }
    .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .14);
        color: #c0cbd1;
        font-size: 12px;
        line-height: 1.4;
        white-space: nowrap;
    }
    .tag-light {
        background: rgba(10, 20, 28, .04);
        border-color: rgba(10, 20, 28, .1);
        color: #334050;
    }
    .tag-brand {
        background: rgba(35, 209, 182, .1);
        border-color: rgba(35, 209, 182, .3);
        color: #23d1b6;
    }

    /* Header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 40;
        background: rgba(12, 15, 22, .94);
        border-bottom: 1px solid var(--line);
    }
    .topbar {
        border-bottom: 1px solid rgba(255, 255, 255, .05);
        font-size: 12px;
        color: #93a1a8;
        letter-spacing: .02em;
    }
    .topbar .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 32px;
        gap: 20px;
    }
    .topbar-dot {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        display: inline-block;
        background: #35d0b4;
        margin-left: 6px;
        box-shadow: 0 0 12px rgba(53, 208, 180, .7);
    }
    .header-main {
        display: flex;
        align-items: center;
        gap: 26px;
        min-height: 76px;
    }
    .brand {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        margin-right: 8px;
        flex-shrink: 0;
    }
    .brand-mark {
        width: 36px;
        height: 36px;
        display: grid;
        place-items: center;
        border-radius: 12px;
        background: rgba(35, 209, 182, .1);
        border: 1px solid rgba(35, 209, 182, .28);
    }
    .brand-mark svg {
        width: 22px;
        height: 22px;
    }
    .brand-name {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
    }
    .brand-title {
        font-size: 20px;
        font-weight: 800;
        color: #f2f8f6;
        letter-spacing: .01em;
    }
    .brand-title em {
        color: var(--brand);
        font-style: normal;
    }
    .brand-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 3px;
        font-size: 12px;
        color: #9bb5af;
        letter-spacing: .08em;
    }
    .brand-tag i {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--brand);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 6px;
        margin-left: auto;
    }
    .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        padding: 0 14px;
        color: #b6c0c5;
        font-size: 15px;
        font-weight: 500;
        border-radius: 8px;
        transition: color .2s, background .2s;
    }
    .nav-link:hover {
        background: rgba(255, 255, 255, .05);
        color: #fff;
    }
    .nav-link.active {
        color: #fff;
    }
    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 4px;
        height: 2px;
        border-radius: 2px;
        background: var(--brand);
    }
    .header-right {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-left: auto;
    }
    .header-search {
        display: flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(255, 255, 255, .12);
        border-radius: 10px;
        padding: 0 12px;
        height: 42px;
        width: 200px;
        transition: border-color .2s, background .2s;
    }
    .header-search:focus-within {
        border-color: rgba(35, 209, 182, .48);
        background: rgba(35, 209, 182, .04);
    }
    .header-search svg {
        width: 15px;
        height: 15px;
        fill: #7f8e95;
    }
    .header-search input {
        background: transparent;
        border: none;
        width: 100%;
        color: #eff8f6;
        font-size: 14px;
    }
    .header-search input::placeholder {
        color: #6a7b82;
    }

    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: 1px solid rgba(255, 255, 255, .14);
        background: transparent;
        border-radius: 10px;
        color: #f1f6f5;
        align-items: center;
        justify-content: center;
    }
    .menu-toggle svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }
    .mobile-nav {
        display: none;
        flex-direction: column;
        gap: 4px;
        padding: 12px 20px 20px;
        border-top: 1px solid var(--line);
        background: rgba(12, 15, 22, .97);
    }
    .mobile-nav.open {
        display: flex;
    }
    .mobile-nav .nav-link {
        border-radius: 10px;
        background: transparent;
        padding-block: 12px;
    }
    .mobile-nav .btn-primary {
        margin-top: 8px;
    }

    @media (max-width: 1180px) {
        .main-nav {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .mobile-nav.open {
            display: flex;
        }
    }
    @media (max-width: 860px) {
        .topbar .container {
            justify-content: center;
        }
        .topbar .topbar-right {
            display: none;
        }
        .header-search {
            display: none;
        }
    }
    @media (min-width: 1181px) {
        .mobile-nav {
            display: none !important;
        }
    }

    /* Hero */
    .hero-wrap {
        position: relative;
        background-image: linear-gradient(180deg, rgba(7, 10, 16, .68) 0%, rgba(9, 12, 20, .82) 100%), url("/assets/images/backpic/back-1.webp");
        background-size: cover;
        background-position: center;
        border: 1px solid var(--line);
        border-radius: 0 0 34px 34px;
        overflow: hidden;
    }
    .hero-grid {
        display: grid;
        grid-template-columns: minmax(300px, 5fr) minmax(300px, 4fr) minmax(220px, 3fr);
        gap: 26px;
        align-items: center;
        padding-block: 72px;
    }
    .hero-copy .hero-kicker {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        background: rgba(255, 255, 255, .05);
        border: 1px solid rgba(255, 255, 255, .14);
        border-radius: 999px;
        padding: 6px 16px;
        color: #c9d7d3;
        font-size: 13px;
        margin-bottom: 24px;
    }
    .hero-copy .hero-kicker span {
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--brand);
        box-shadow: 0 0 0 4px rgba(35, 209, 182, .14);
    }
    .hero h1 {
        font-size: clamp(2.15rem, 4.6vw, 3.6rem);
        line-height: 1.22;
        font-weight: 800;
        letter-spacing: -0.035em;
        margin-bottom: 20px;
        color: #f7fcfa;
    }
    .hero h1 .line-brand {
        color: var(--brand);
    }
    .hero-sub {
        color: #b1bec2;
        font-size: 16px;
        line-height: 1.9;
        margin-bottom: 26px;
        max-width: 36rem;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .hero-visual-wrap {
        position: relative;
    }
    .hero-visual {
        position: relative;
        aspect-ratio: 3 / 4;
        border-radius: 26px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, .16);
        box-shadow: var(--shadow-lg);
    }
    .hero-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .hero-visual::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(200deg, rgba(5, 8, 12, .24), rgba(5, 8, 12, .7));
    }
    .hero-visual-badge {
        position: absolute;
        left: 16px;
        bottom: 16px;
        z-index: 2;
        display: flex;
        align-items: center;
        gap: 10px;
        background: rgba(12, 15, 22, .72);
        border: 1px solid rgba(255, 255, 255, .16);
        border-radius: 999px;
        padding: 7px 14px 7px 8px;
        color: #dbe7e4;
        font-size: 13px;
        backdrop-filter: blur(8px);
    }
    .visual-play {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--brand);
        display: grid;
        place-items: center;
        color: #06231d;
    }
    .visual-play svg {
        width: 11px;
        height: 11px;
        fill: currentColor;
        margin-left: 1px;
    }
    .hero-side-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .hero-side-card {
        display: block;
        background: rgba(18, 24, 32, .74);
        border: 1px solid rgba(255, 255, 255, .14);
        border-radius: 18px;
        padding: 18px;
        backdrop-filter: blur(2px);
        transition: border-color .2s, transform .2s, background .2s;
    }
    .hero-side-card:hover {
        border-color: rgba(35, 209, 182, .5);
        background: rgba(23, 31, 39, .85);
        transform: translateY(-2px);
    }
    .hero-side-card .side-num {
        font-family: var(--font-num);
        color: var(--brand);
        font-size: 12px;
        letter-spacing: .08em;
        display: block;
        margin-bottom: 6px;
    }
    .hero-side-card strong {
        display: block;
        color: #f4f8f7;
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 6px;
    }
    .hero-side-card p {
        color: #97a7ac;
        font-size: 14px;
        line-height: 1.7;
    }
    .side-arrow {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        color: var(--brand);
        margin-top: 12px;
        font-size: 14px;
        font-weight: 600;
    }
    .side-arrow svg {
        width: 15px;
        height: 15px;
        fill: currentColor;
        transition: transform .2s;
    }
    .hero-side-card:hover .side-arrow svg {
        transform: translateX(4px);
    }

    @media (max-width: 1100px) {
        .hero-grid {
            grid-template-columns: 1fr 1fr;
        }
        .hero-side-list {
            grid-column: 1 / -1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .hero-visual {
            aspect-ratio: 4 / 3;
            max-width: 480px;
            margin-inline: auto;
            width: 100%;
        }
    }
    @media (max-width: 680px) {
        .hero-grid {
            padding-block: 42px;
            grid-template-columns: 1fr;
            gap: 26px;
        }
        .hero-side-list {
            grid-column: auto;
            grid-template-columns: 1fr;
        }
        .hero-visual {
            max-width: 100%;
            aspect-ratio: 3 / 4;
        }
        .hero-actions .btn-outline,
        .hero-actions .btn-primary {
            width: 100%;
            margin-right: 0;
        }
    }

    /* 状态分隔条 */
    .status-strip {
        border-bottom: 1px solid var(--line);
        background: #0a0d13;
        padding-block: 16px;
    }
    .status-track {
        display: flex;
        align-items: center;
        gap: 12px;
        overflow-x: auto;
        padding-block: 6px;
        scrollbar-width: none;
    }
    .status-track::-webkit-scrollbar {
        display: none;
    }
    .status-item {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: #86959c;
        font-size: 14px;
        white-space: nowrap;
        padding-right: 18px;
        border-right: 1px solid rgba(255, 255, 255, .08);
    }
    .status-item i {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: #48dbbc;
    }
    .status-item .strong-word {
        color: #dce6e4;
        font-weight: 600;
    }

    /* 三入口分区展示 */
    .entry-section {
        padding-block: 96px;
    }
    .entry-grid {
        display: grid;
        grid-template-columns: 7fr 5fr;
        gap: 24px;
        align-items: stretch;
    }
    .entry-main {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        border: 1px solid var(--line);
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        min-height: 550px;
    }
    .entry-main img,
    .entry-mini img {
        position: absolute;
        width: 100%;
        height: 100%;
        inset: 0;
        object-fit: cover;
        transition: transform .6s ease;
    }
    .entry-main:hover img {
        transform: scale(1.035);
    }
    .entry-main::after,
    .entry-mini::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, rgba(5, 8, 12, .18), rgba(5, 8, 12, .78));
    }
    .entry-main-body {
        position: relative;
        z-index: 2;
        padding: 28px;
    }
    .entry-mini-grid {
        display: grid;
        gap: 24px;
    }
    .entry-mini {
        position: relative;
        min-height: 255px;
        border-radius: 22px;
        border: 1px solid var(--line);
        overflow: hidden;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
    }
    .entry-mini:hover img {
        transform: scale(1.04);
    }
    .entry-mini-body {
        position: relative;
        z-index: 2;
        padding: 22px;
    }
    .entry-mini-body h3,
    .entry-main-body h3 {
        font-weight: 700;
        color: #fff;
    }
    .entry-mini-body p,
    .entry-main-body p {
        color: rgba(230, 238, 236, .78);
        font-size: 14px;
        line-height: 1.7;
        margin-top: 6px;
    }
    .entry-link {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        color: var(--brand);
        margin-top: 14px;
        font-size: 14px;
        font-weight: 600;
    }
    .entry-link svg {
        width: 14px;
        height: 14px;
        fill: currentColor;
        transition: transform .2s;
    }
    .entry-mini:hover .entry-link svg,
    .entry-main:hover .entry-link svg {
        transform: translateX(4px);
    }

    @media (max-width: 980px) {
        .entry-grid {
            grid-template-columns: 1fr;
        }
        .entry-mini-grid {
            grid-template-columns: 1fr;
        }
        .entry-main {
            min-height: 420px;
        }
        .entry-mini {
            min-height: 250px;
        }
    }

    /* 纸感路径区 */
    .paper-block {
        background: var(--paper);
        color: #182130;
        border-radius: 0;
        margin-block: 8px;
    }
    .paper-block .section-title {
        color: #131b25;
    }
    .paper-block .section-lead {
        color: #596675;
    }
    .paper-block .section-head {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
    }
    .path-list {
        display: flex;
        flex-direction: column;
        gap: 18px;
        margin-top: 12px;
    }
    .path-card {
        display: grid;
        grid-template-columns: 200px 1fr auto;
        gap: 20px;
        background: var(--paper-card);
        border-radius: 20px;
        border: 1px solid rgba(20, 35, 44, .06);
        box-shadow: 0 4px 22px rgba(20, 30, 42, .04);
        padding: 18px;
        align-items: center;
        transition: transform .24s ease, box-shadow .24s ease;
    }
    .path-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 14px 38px rgba(20, 28, 40, .08);
    }
    .path-pic {
        width: 200px;
        height: 132px;
        border-radius: 14px;
        overflow: hidden;
        position: relative;
    }
    .path-pic img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .path-pic::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(0, 0, 0, .2), transparent);
        opacity: .5;
    }
    .path-body h3 {
        color: #111c2b;
        font-size: 20px;
        font-weight: 700;
        letter-spacing: -0.01em;
        margin-bottom: 8px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .path-body p {
        color: #66717d;
        line-height: 1.75;
        font-size: 15px;
    }
    .path-time {
        font-size: 13px;
        color: #97a1ab;
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .path-go {
        display: flex;
        flex-direction: column;
        align-items: flex-end;
        gap: 10px;
    }
    .round-arrow {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        border: 1px solid rgba(14, 30, 42, .13);
        display: grid;
        place-items: center;
        color: #1a2a3a;
        transition: background .2s, color .2s, border-color .2s;
    }
    .path-card:hover .round-arrow {
        background: #111c2b;
        color: #fff;
        border-color: #111c2b;
    }
    .round-arrow svg {
        width: 16px;
        height: 16px;
        fill: currentColor;
    }
    .path-go span {
        font-size: 13px;
        color: #8795a1;
    }
    @media (max-width: 880px) {
        .path-card {
            grid-template-columns: 1fr;
        }
        .path-pic {
            width: 100%;
            height: 190px;
        }
        .path-go {
            flex-direction: row;
            align-items: center;
            align-items: center;
            justify-content: space-between;
        }
    }

    /* 小贴士滚动卡 */
    .tip-section {
        padding: 70px 0 100px;
    }
    .tip-slider {
        display: flex;
        gap: 18px;
        overflow-x: auto;
        padding-bottom: 12px;
        scroll-snap-type: x mandatory;
        scrollbar-width: none;
    }
    .tip-slider::-webkit-scrollbar {
        display: none;
    }
    .tip-card {
        flex: 0 0 300px;
        scroll-snap-align: start;
        background: var(--panel);
        border: 1px solid var(--line);
        border-radius: 18px;
        padding: 24px;
        transition: border-color .2s, transform .2s;
    }
    .tip-card:hover {
        border-color: rgba(35, 209, 182, .38);
        transform: translateY(-4px);
    }
    .tip-icon {
        width: 42px;
        height: 42px;
        border-radius: 13px;
        display: grid;
        place-items: center;
        background: rgba(35, 209, 182, .1);
        border: 1px solid rgba(35, 209, 182, .22);
        color: var(--brand);
        margin-bottom: 18px;
    }
    .tip-icon svg {
        width: 20px;
        height: 20px;
        fill: currentColor;
    }
    .tip-card h3 {
        color: #f3f8f6;
        font-size: 17px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .tip-card p {
        color: #9ca9ae;
        font-size: 14px;
        line-height: 1.75;
    }

    /* 大 CTA */
    .cta-mid {
        position: relative;
        border-radius: 30px;
        overflow: hidden;
        background: #0e141f;
        border: 1px solid var(--line);
        padding: 70px 30px;
        text-align: center;
    }
    .watermark {
        position: absolute;
        right: -40px;
        top: -30px;
        font-size: 140px;
        line-height: 1;
        font-weight: 800;
        letter-spacing: -0.04em;
        color: rgba(255, 255, 255, .028);
        pointer-events: none;
        user-select: none;
        font-family: var(--font-num);
        text-transform: uppercase;
        z-index: 0;
    }
    .cta-mid h2 {
        font-size: clamp(2rem, 4vw, 3rem);
        font-weight: 800;
        color: #eef9f6;
        position: relative;
        z-index: 1;
        letter-spacing: -0.03em;
        line-height: 1.25;
        max-width: 780px;
        margin-inline: auto;
        margin-block: 14px 18px;
    }
    .cta-mid p {
        color: #9bafae;
        max-width: 620px;
        margin-inline: auto;
        margin-bottom: 28px;
        line-height: 1.75;
        font-size: 16px;
    }
    .cta-mid .cta-split {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        justify-content: center;
        align-items: center;
        position: relative;
        z-index: 1;
    }
    .entry-icon-links {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        justify-content: center;
        margin-top: 30px;
        position: relative;
        z-index: 1;
    }
    .entry-icon-link {
        min-width: 132px;
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(255, 255, 255, .14);
        border-radius: 16px;
        padding: 16px 18px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        color: #d7e4e1;
        font-weight: 600;
        font-size: 14px;
        transition: background .2s, border-color .2s, transform .2s;
    }
    .entry-icon-link svg {
        width: 17px;
        height: 17px;
        fill: var(--brand);
        flex: 0 0 auto;
    }
    .entry-icon-link:hover {
        background: rgba(35, 209, 182, .09);
        border-color: rgba(35, 209, 182, .42);
        transform: translateY(-3px);
    }

    /* CMS 信息列表 */
    .news-block {
        background: #0b0e15;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }
    .news-block .news-head-row {
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 24px;
    }
    .news-head-row .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--brand);
        font-weight: 600;
        font-size: 14px;
        padding: 10px 16px;
        border: 1px solid rgba(35, 209, 182, .28);
        border-radius: 999px;
        transition: background .2s, border-color .2s;
    }
    .news-head-row .text-link:hover {
        background: rgba(35, 209, 182, .08);
        border-color: rgba(35, 209, 182, .5);
    }

    .cms-news-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-item {
        display: grid;
        grid-template-columns: 160px 1fr auto;
        gap: 20px;
        background: rgba(18, 23, 32, .7);
        border: 1px solid rgba(255, 255, 255, .07);
        border-radius: 18px;
        padding: 20px;
        align-items: center;
        transition: border-color .2s, background .2s, transform .2s;
    }
    .news-item:hover {
        border-color: rgba(35, 209, 182, .42);
        background: rgba(21, 29, 39, .92);
        transform: translateY(-2px);
    }
    .news-thumb {
        border-radius: 13px;
        overflow: hidden;
        background: rgba(255, 255, 255, .05);
        width: 160px;
        height: 96px;
        display: grid;
        place-items: center;
        color: #7e8c93;
        border: 1px solid rgba(255, 255, 255, .06);
    }
    .news-thumb svg {
        width: 24px;
        height: 24px;
        fill: currentColor;
    }
    .news-cat-row {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 8px;
        font-size: 12px;
        color: #93a1aa;
    }
    .news-cat {
        color: var(--brand);
    }
    .news-title {
        font-size: 18px;
        font-weight: 700;
        color: #eef6f4;
        line-height: 1.4;
        margin-bottom: 4px;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-summary {
        color: #86979d;
        font-size: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-time {
        color: #a1adb3;
        font-family: var(--font-num);
        white-space: nowrap;
        font-size: 13px;
    }
    .news-more {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: var(--brand);
        font-size: 14px;
        font-weight: 600;
        margin-top: 8px;
    }
    .news-more svg {
        width: 14px;
        height: 14px;
        fill: currentColor;
        transition: transform .2s;
    }
    .news-item:hover .news-more svg {
        transform: translateX(4px);
    }
    .news-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 12px;
        text-align: center;
        padding: 60px 20px;
        border: 1px dashed rgba(255, 255, 255, .14);
        border-radius: 20px;
        color: #7f8a8d;
    }
    .news-empty svg {
        width: 38px;
        height: 38px;
        fill: rgba(35, 209, 182, .55);
    }
    @media (max-width: 780px) {
        .news-item {
            grid-template-columns: 1fr;
        }
        .news-thumb {
            width: 100%;
            height: 150px;
        }
        .news-time {
            margin-top: 6px;
        }
    }

    /* FAQ */
    .faq-wrap {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 22px;
        align-items: start;
    }
    .faq-item {
        background: rgba(255, 255, 255, .035);
        border: 1px solid var(--line);
        border-radius: 16px;
        overflow: hidden;
        transition: border-color .2s, background .2s;
    }
    .faq-item:hover {
        border-color: rgba(35, 209, 182, .34);
    }
    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        width: 100%;
        padding: 20px 22px;
        color: #eaf4f1;
        font-weight: 600;
        font-size: 16px;
        cursor: pointer;
        list-style: none;
        transition: color .2s;
        min-height: 60px;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item[open] summary {
        color: var(--brand);
    }
    .faq-ico {
        position: relative;
        flex: 0 0 26px;
        width: 26px;
        height: 26px;
        border-radius: 50%;
        border: 1px solid rgba(35, 209, 182, .5);
        transition: background .2s, border-color .2s, transform .2s;
    }
    .faq-ico::before,
    .faq-ico::after {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        width: 11px;
        height: 1.5px;
        background: var(--brand);
        transform: translate(-50%, -50%);
    }
    .faq-ico::after {
        transform: translate(-50%, -50%) rotate(90deg);
        transition: transform .2s;
    }
    .faq-item[open] .faq-ico {
        background: var(--brand);
    }
    .faq-item[open] .faq-ico::after {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    .faq-item[open] .faq-ico::before,
    .faq-item[open] .faq-ico::after {
        background: #062019;
    }
    .faq-answer {
        padding: 0 22px 20px;
        color: #a5b2b7;
        font-size: 15px;
        line-height: 1.9;
        margin-top: -4px;
    }
    @media (max-width: 880px) {
        .faq-wrap {
            grid-template-columns: 1fr;
        }
    }

    /* 底部CTA */
    .final-cta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: radial-gradient(ellipse at top, rgba(35, 209, 182, .11), transparent 55%), #0e141c;
        border: 1px solid var(--line);
        border-radius: 28px;
        padding: 48px 44px;
        margin-bottom: 100px;
        flex-wrap: wrap;
        gap: 20px;
    }
    .final-cta h2 {
        font-size: clamp(1.5rem, 2vw, 2rem);
        color: #f2f9f7;
        letter-spacing: -0.02em;
        margin-bottom: 8px;
    }
    .final-cta p {
        color: #9bafad;
    }
    .final-cta .btn-primary {
        flex-shrink: 0;
    }
    @media (max-width: 720px) {
        .final-cta {
            padding: 32px 20px;
            text-align: center;
            justify-content: center;
        }
        .final-cta .btn-wrap {
            width: 100%;
            display: flex;
            justify-content: center;
        }
    }

    /* Footer */
    .site-footer {
        background: #07090f;
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding-top: 70px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr 1.1fr;
        gap: 40px;
        padding-bottom: 50px;
    }
    .footer-brand-text {
        margin-top: 18px;
        color: #89979e;
        font-size: 14px;
        line-height: 1.9;
        max-width: 320px;
    }
    .footer-col h4 {
        color: #cbd9d5;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-col ul a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: #819097;
        font-size: 14px;
        transition: color .2s, transform .2s;
    }
    .footer-col ul a:hover {
        color: var(--brand);
        transform: translateX(3px);
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        padding: 22px 0;
        border-top: 1px solid rgba(255, 255, 255, .07);
        color: #6b7980;
        font-size: 13px;
        flex-wrap: wrap;
    }
    .footer-bottom a {
        color: #94a5ac;
        font-family: var(--font-num);
        letter-spacing: .02em;
    }
    .to-top {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: rgba(255, 255, 255, .04);
        border: 1px solid rgba(255, 255, 255, .16);
        display: grid;
        place-items: center;
        color: #d2dfdb;
        transition: background .2s, border-color .2s, color .2s, transform .2s;
    }
    .to-top:hover {
        background: rgba(35, 209, 182, .12);
        border-color: rgba(35, 209, 182, .42);
        color: var(--brand);
        transform: translateY(-3px);
    }
    .to-top svg {
        width: 17px;
        height: 17px;
        fill: currentColor;
    }
    @media (max-width: 900px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .footer-col:first-child {
            grid-column: 1 / -1;
        }
    }
    @media (max-width: 480px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            justify-content: center;
            text-align: center;
        }
        .section-pad {
            padding-block: 64px;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        * {
            animation: none !important;
            transition: none !important;
            scroll-behavior: auto !important;
        }
    }

/* roulang page: article */
:root {
            --bg: #0C0F16;
            --bg-deep: #0a0d13;
            --panel: #10151f;
            --paper: #f6f3ec;
            --paper-light: #ffffff;
            --brand: #23d1b6;
            --brand-deep: #0f1720;
            --brand-soft: rgba(35, 209, 182, 0.10);
            --title: #f7faf9;
            --body: #a9b4b8;
            --muted: #778288;
            --ink: #1c2330;
            --ink-body: #3b4654;
            --line: rgba(255, 255, 255, 0.08);
            --line-dark: rgba(0, 0, 0, 0.08);
            --circle: 16px;
            --radius-card: 18px;
            --radius-sm: 10px;
            --container: 1200px;
            --font-main: "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }

        button {
            font-family: inherit;
        }

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

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 3px;
            text-transform: uppercase;
            color: var(--brand);
            margin-bottom: 14px;
        }

        .section-kicker::before {
            content: "";
            width: 26px;
            height: 1px;
            background: var(--brand);
            opacity: 0.8;
        }

        .site-topbar {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.46);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            background: rgba(6, 8, 13, 0.65);
            position: relative;
            z-index: 60;
        }

        .site-topbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 36px;
            gap: 10px;
        }

        .topbar-note {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .topbar-note i {
            width: 6px;
            height: 6px;
            background: var(--brand);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(35, 209, 182, 0.4);
            animation: pulse-dot 2.2s infinite;
            flex: 0 0 auto;
        }

        .topbar-link {
            color: rgba(255, 255, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .topbar-link:hover {
            color: var(--brand);
        }

        @keyframes pulse-dot {
            0% { box-shadow: 0 0 0 0 rgba(35, 209, 182, 0.3); }
            70% { box-shadow: 0 0 0 6px rgba(35, 209, 182, 0); }
            100% { box-shadow: 0 0 0 0 rgba(35, 209, 182, 0); }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(12, 15, 22, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--line);
        }

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

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .brand-mark {
            width: 38px;
            height: 38px;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(35, 209, 182, 0.1);
            border: 1px solid rgba(35, 209, 182, 0.25);
        }

        .brand-mark svg {
            width: 22px;
            height: 22px;
        }

        .brand-name {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
            gap: 2px;
        }

        .brand-title {
            color: var(--title);
            font-size: 18px;
            font-weight: 700;
            letter-spacing: .5px;
            white-space: nowrap;
        }

        .brand-title em {
            font-style: normal;
            color: var(--brand);
            margin-left: 2px;
        }

        .brand-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 11px;
            color: var(--body);
            letter-spacing: .4px;
        }

        .brand-tag i {
            width: 5px;
            height: 5px;
            background: var(--brand);
            border-radius: 50%;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 16px;
            color: rgba(255, 255, 255, 0.62);
            font-size: 15px;
            font-weight: 500;
            border-radius: 10px;
            position: relative;
            white-space: nowrap;
            transition: color .2s ease, background .2s ease;
        }

        .nav-link:hover {
            color: var(--title);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-link.active {
            color: var(--brand);
            background: var(--brand-soft);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            padding: 0 12px;
            min-height: 40px;
            width: 180px;
        }

        .header-search svg {
            width: 16px;
            height: 16px;
            color: var(--muted);
            flex: 0 0 auto;
        }

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

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

        .btn-brand {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 20px;
            background: var(--brand);
            color: #062018;
            font-weight: 600;
            font-size: 14px;
            border-radius: 10px;
            border: 0;
            cursor: pointer;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            white-space: nowrap;
        }

        .btn-brand:hover {
            background: #4ee0c6;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(35, 209, 182, 0.18);
        }

        .btn-brand:active {
            transform: scale(0.98);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 18px;
            background: transparent;
            color: var(--title);
            border-radius: 10px;
            border: 1px solid rgba(255, 255, 255, 0.18);
            font-weight: 500;
            transition: border-color .2s ease, background .2s ease;
            cursor: pointer;
        }

        .btn-ghost:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            padding: 0 20px;
            border: 1px solid var(--brand);
            color: var(--brand);
            border-radius: 10px;
            font-size: 14px;
            background: transparent;
            transition: background .2s ease, transform .2s ease;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--brand-soft);
            transform: translateY(-1px);
        }

        .btn-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--brand);
            transition: gap .2s ease;
        }

        .btn-arrow span {
            transition: transform .2s ease;
        }

        .btn-arrow:hover span {
            transform: translateX(4px);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            color: var(--title);
        }

        .menu-toggle svg {
            width: 20px;
            height: 20px;
        }

        .article-hero {
            position: relative;
            padding: 82px 0 64px;
            background:
                linear-gradient(180deg, rgba(12, 15, 22, 0.92) 0%, rgba(12, 15, 22, 0.72) 65%, rgba(12, 15, 22, 0.96) 100%),
                url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent 0%, rgba(35, 209, 182, 0.4) 50%, transparent 100%);
        }

        .article-hero .hero-orb {
            position: absolute;
            width: 320px;
            height: 320px;
            right: -120px;
            top: -160px;
            background: rgba(35, 209, 182, 0.10);
            border-radius: 50%;
            filter: blur(80px);
            pointer-events: none;
        }

        .article-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 960px;
            margin: 0 auto;
            text-align: center;
        }

        .article-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--brand);
            background: var(--brand-soft);
            border: 1px solid rgba(35, 209, 182, 0.28);
            padding: 5px 15px;
            border-radius: 100px;
            margin-bottom: 22px;
            letter-spacing: 1.5px;
        }

        .article-title {
            font-size: clamp(2.1rem, 4.6vw, 3.9rem);
            line-height: 1.2;
            font-weight: 700;
            color: var(--title);
            letter-spacing: -0.5px;
            margin: 0 0 20px;
        }

        .article-hero-desc {
            font-size: 16px;
            line-height: 1.9;
            color: var(--body);
            max-width: 760px;
            margin: 0 auto 26px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 22px;
            font-size: 13px;
            color: var(--muted);
        }

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

        .article-meta-item svg {
            width: 14px;
            height: 14px;
            color: var(--brand);
        }

        .article-section {
            padding: 60px 0 40px;
            background: var(--bg);
        }

        .crumb {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 18px;
            padding-left: 4px;
        }

        .crumb a {
            color: var(--body);
            transition: color .2s;
        }

        .crumb a:hover {
            color: var(--brand);
        }

        .crumb .crumb-divider {
            color: rgba(255, 255, 255, 0.22);
            font-size: 11px;
        }

        .crumb-current {
            color: rgba(255, 255, 255, 0.6);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 220px;
        }

        .article-layout {
            max-width: 920px;
            margin: 0 auto;
        }

        .article-panel {
            background: var(--paper);
            border-radius: 24px;
            padding: 48px 52px 40px;
            color: var(--ink-body);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
        }

        .content-meta-line {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: #7b8492;
            flex-wrap: wrap;
            margin-bottom: 28px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line-dark);
        }

        .content-meta-line a {
            color: var(--brand-deep);
            font-weight: 600;
            color: #0f8778;
        }

        .article-body {
            font-size: 17px;
            line-height: 2;
            color: var(--ink-body);
            word-wrap: break-word;
        }

        .article-body h2 {
            font-size: 26px;
            line-height: 1.45;
            color: var(--ink);
            font-weight: 700;
            margin-top: 2em;
            margin-bottom: .7em;
            letter-spacing: -.2px;
        }

        .article-body h3 {
            font-size: 21px;
            line-height: 1.5;
            color: var(--ink);
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: .6em;
        }

        .article-body p {
            margin: 1.4em 0;
        }

        .article-body blockquote {
            margin: 1.8em 0;
            padding: 16px 22px;
            border-left: 3px solid var(--brand);
            background: #efece3;
            color: #57616e;
            border-radius: 0 12px 12px 0;
            font-size: 15px;
            line-height: 1.9;
        }

        .article-body ul,
        .article-body ol {
            margin: 1.4em 0;
            padding-left: 1.5em;
        }

        .article-body li {
            margin: .5em 0;
            padding-left: .2em;
        }

        .article-body img {
            border-radius: 14px;
            margin: 1.8em auto;
        }

        .article-body a {
            color: #0f8778;
            text-decoration: underline;
            text-underline-offset: 4px;
            font-weight: 500;
        }

        .article-body a:hover {
            color: #075e54;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 15px;
        }

        .article-body th,
        .article-body td {
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            padding: 12px 10px;
            text-align: left;
        }

        .article-body th {
            font-weight: 600;
            color: var(--ink);
            background: rgba(0, 0, 0, .025);
        }

        .article-body code {
            background: #eee;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: .9em;
        }

        .back-home {
            margin-top: 42px;
            padding-top: 26px;
            border-top: 1px solid var(--line-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .content-empty {
            text-align: center;
            padding: 44px 10px 24px;
        }

        .content-empty-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(35, 209, 182, 0.08);
            border-radius: 24px;
            border: 1px solid rgba(35, 209, 182, 0.18);
        }

        .content-empty-icon svg {
            width: 32px;
            height: 32px;
            color: var(--brand);
        }

        .content-empty h2 {
            font-size: 24px;
            color: var(--title);
            font-weight: 700;
            margin: 0 0 10px;
        }

        .content-empty p {
            color: var(--body);
            max-width: 360px;
            margin: 0 auto 24px;
        }

        .related-grid {
            padding: 34px 0 10px;
        }

        .related-title {
            color: var(--title);
            font-size: 20px;
            font-weight: 600;
            margin: 0 0 22px;
        }

        .related-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .related-card {
            background: #10151f;
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color .22s ease, transform .22s ease;
        }

        .related-card:hover {
            border-color: rgba(35, 209, 182, 0.35);
            transform: translateY(-3px);
        }

        .related-thumb {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

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

        .related-thumb .thumb-label {
            position: absolute;
            left: 14px;
            bottom: 12px;
            background: rgba(12, 15, 22, 0.7);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 12px;
            padding: 5px 12px;
            border-radius: 100px;
            border: 1px solid rgba(255, 255, 255, 0.09);
        }

        .related-content {
            padding: 20px 20px 18px;
        }

        .related-content h3 {
            font-size: 17px;
            line-height: 1.55;
            color: var(--title);
            font-weight: 600;
            margin: 0 0 6px;
        }

        .related-content p {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0 0 14px;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-size: 14px;
            font-weight: 500;
        }

        .link-more svg {
            width: 14px;
            height: 14px;
            transition: transform .2s;
        }

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

        .guide-note {
            padding: 36px 0;
        }

        .guide-note-box {
            background: linear-gradient(135deg, rgba(35, 209, 182, 0.08), rgba(12, 15, 22, 0));
            border: 1px solid rgba(35, 209, 182, 0.16);
            border-radius: 24px;
            padding: 34px 38px;
        }

        .guide-note-box h2 {
            color: var(--title);
            font-weight: 650;
            font-size: 22px;
            margin: 0 0 12px;
        }

        .guide-note-box p {
            color: var(--body);
            font-size: 15px;
            margin: 0 0 18px;
            max-width: 760px;
        }

        .guide-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 8px;
        }

        .guide-link {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 14px;
            padding: 14px 16px;
            color: var(--title);
            transition: border-color .2s, background .2s;
        }

        .guide-link:hover {
            background: rgba(35, 209, 182, 0.06);
            border-color: rgba(35, 209, 182, 0.28);
        }

        .guide-link span {
            color: var(--brand);
            display: inline-flex;
        }

        .guide-link span svg {
            width: 16px;
            height: 16px;
        }

        .faq-section {
            padding: 54px 0 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-title-box {
            margin-bottom: 30px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
        }

        .faq-title-box h2 {
            font-size: clamp(1.7rem, 2.6vw, 2.3rem);
            color: var(--title);
            font-weight: 700;
            margin: 0;
            letter-spacing: -.4px;
        }

        .faq-title-box p {
            color: var(--muted);
            font-size: 14px;
            max-width: 420px;
            margin: 0;
        }

        .faq-wrap {
            max-width: 860px;
        }

        .faq-item {
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 14px;
            margin-bottom: 12px;
            background: rgba(255, 255, 255, 0.015);
            overflow: hidden;
            transition: border-color .2s;
        }

        .faq-item[open] {
            border-color: rgba(35, 209, 182, 0.35);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            list-style: none;
            cursor: pointer;
            color: var(--title);
            font-size: 16px;
            font-weight: 500;
            padding: 20px 22px;
            min-height: 63px;
            transition: background .2s;
        }

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

        .faq-item summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-item summary .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.16);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            flex: 0 0 auto;
            transition: transform .2s, background .2s;
        }

        .faq-item summary .faq-icon::after {
            content: "+";
            font-size: 18px;
            line-height: 1;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--brand-soft);
        }

        .faq-item .faq-content {
            padding: 0 22px 22px;
            color: var(--body);
            font-size: 14px;
            line-height: 1.9;
        }

        .faq-item p {
            margin: 0 0 8px;
        }

        .cta-strip {
            padding: 54px 0 84px;
        }

        .cta-box {
            background: linear-gradient(180deg, #111722, #0c0f16);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 28px;
            padding: 54px 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "STARSPORT";
            position: absolute;
            right: -20px;
            bottom: -25px;
            font-weight: 800;
            font-size: clamp(70px, 10vw, 140px);
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, 0.045);
            pointer-events: none;
            user-select: none;
            letter-spacing: 8px;
        }

        .cta-box h2 {
            font-size: clamp(1.7rem, 3vw, 2.55rem);
            color: var(--title);
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: -0.5px;
        }

        .cta-box p {
            color: var(--body);
            font-size: 15px;
            max-width: 560px;
            margin: 0 0 30px;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }

        .site-footer {
            background: #0a0d13;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 66px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 46px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand-text {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.9;
            margin: 18px 0 0;
            max-width: 360px;
        }

        .footer-col h4 {
            color: var(--title);
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 18px;
            letter-spacing: 1px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 8px;
        }

        .footer-col ul a {
            color: var(--body);
            font-size: 14px;
            padding: 5px 0;
        }

        .footer-col ul a:hover {
            color: var(--brand);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 24px 0;
            color: var(--muted);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.48);
        }

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

        .to-top {
            width: 40px;
            height: 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50%;
            color: var(--title);
            transition: background .2s, border-color .2s;
        }

        .to-top svg {
            width: 15px;
            height: 15px;
            fill: currentColor;
        }

        .to-top:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
            color: var(--brand);
        }

        .fade-up {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeUp .6s ease forwards;
        }

        @keyframes fadeUp {
            0% {
                opacity: 0;
                transform: translateY(24px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }

        :focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
        }

        @media (max-width: 1024px) {
            .header-inner {
                flex-wrap: wrap;
                min-height: auto;
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .site-nav {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                overflow-x: auto;
                gap: 6px;
                padding-bottom: 4px;
                scrollbar-width: none;
            }

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

            .nav-link {
                padding: 0 12px;
            }

            .header-search {
                width: 140px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .site-topbar .topbar-note .hidden-mobile {
                display: none;
            }

            .header-inner {
                align-items: center;
            }

            .header-search {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-actions .btn-brand {
                display: none;
            }

            .header-actions .btn-ghost {
                display: none;
            }

            .site-nav {
                order: 10;
                width: 100%;
                display: none;
                background: var(--bg-deep);
                border-radius: 14px;
                margin-top: 8px;
                padding: 8px;
                border: 1px solid rgba(255, 255, 255, 0.06);
            }

            .site-nav.menu-open {
                display: flex;
                flex-direction: column;
                align-items: stretch;
            }

            .site-nav .nav-link {
                justify-content: flex-start;
                width: 100%;
                padding: 0 14px;
                min-height: 48px;
            }

            .menu-toggle {
                display: flex;
            }

            .article-panel {
                padding: 28px 22px 24px;
            }

            .article-body {
                font-size: 16px;
            }

            .article-body h2 {
                font-size: 21px;
            }

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

            .guide-list {
                grid-template-columns: 1fr;
            }

            .cta-box {
                padding: 36px 24px;
            }

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

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

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

            .article-hero {
                padding: 48px 0 42px;
            }

            .article-meta {
                gap: 12px;
            }

            .article-panel {
                border-radius: 18px;
                padding: 24px 18px 20px;
            }

            .related-content {
                padding: 16px;
            }

            .guide-note-box {
                padding: 24px 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.001s !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.001s !important;
            }

            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category1 */
:root {
  --bg: #0c0f16;
  --bg-deep: #090b11;
  --panel: #12171f;
  --paper: #f7f4ed;
  --text: #eef4f2;
  --muted: #a5b2ba;
  --weak: #74818a;
  --brand: #23d1b6;
  --brand-strong: #43e2c5;
  --brand-dark: #0e9c84;
  --brand-10: rgba(35, 209, 182, 0.1);
  --line: rgba(255, 255, 255, 0.09);
  --line-deep: rgba(10, 15, 20, 0.1);
  --gold: #f5c56b;
  --radius-lg: 22px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --font-sans: "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", "Bahnschrift", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: 3px solid rgba(35, 209, 182, 0.75);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection {
  background: rgba(35, 209, 182, 0.22);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.16);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(12, 15, 22, 0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: var(--brand-10);
  border: 1px solid rgba(35, 209, 182, 0.28);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.brand-name {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.brand-title {
  font-size: 18px;
  font-weight: 700;
  color: #f7faf8;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.brand-title em {
  font-style: normal;
  color: var(--brand);
}

.brand-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--text-2, #8b9aa3);
}

.brand-tag i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 8px rgba(35, 209, 182, 0.8);
}

.main-nav {
  margin-left: auto;
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: #f2f7f5;
  background: rgba(255, 255, 255, 0.05);
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 3px;
  background: var(--brand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 0 12px;
  width: 198px;
  height: 40px;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.search-wrap:focus-within {
  border-color: rgba(35, 209, 182, 0.65);
  background: rgba(35, 209, 182, 0.06);
}

.search-wrap svg {
  width: 16px;
  height: 16px;
  stroke: var(--weak);
  flex-shrink: 0;
}

.search-wrap input {
  background: transparent;
  border: 0;
  outline: 0;
  width: 100%;
  font-size: 13px;
  color: var(--text);
}

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

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: transparent;
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn-primary {
  background: var(--brand);
  color: #062018;
}

.btn-primary:hover {
  background: var(--brand-strong);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(35, 209, 182, 0.18);
}

.btn-primary:active {
  transform: scale(0.98);
}

.btn-ghost {
  border-color: rgba(255, 255, 255, 0.18);
  color: #fff;
  background: transparent;
}

.btn-ghost:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(35, 209, 182, 0.08);
  transform: translateY(-2px);
}

.btn-dark {
  border-color: rgba(15, 25, 30, 0.2);
  color: #131a22;
  background: transparent;
}

.btn-dark:hover {
  border-color: var(--brand-dark);
  color: var(--brand-dark);
  background: rgba(14, 156, 132, 0.08);
}

.btn-lg {
  padding: 15px 28px;
  font-size: 16px;
  min-height: 48px;
}

.btn svg {
  width: 17px;
  height: 17px;
}

/* Hero */
.category-page {
  background: var(--bg);
}

.page-hero {
  position: relative;
  padding: 132px 0 96px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(8, 11, 17, 0.96) 0%, rgba(9, 12, 18, 0.84) 48%, rgba(9, 13, 20, 0.58) 100%);
}

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

.breadcrumb {
  font-size: 13px;
  color: var(--weak);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

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

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.35);
  display: inline-flex;
  align-items: center;
}

.breadcrumb .sep svg {
  width: 14px;
  height: 14px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  font-weight: 600;
  color: var(--brand);
  border: 1px solid rgba(35, 209, 182, 0.3);
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(35, 209, 182, 0.08);
  margin-bottom: 24px;
}

.hero-eyebrow i {
  width: 6px;
  height: 6px;
  background: var(--brand);
  border-radius: 50%;
}

.hero-title {
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 1.12;
  color: #f7faf8;
  letter-spacing: -0.025em;
  font-weight: 700;
  max-width: 820px;
  margin-bottom: 24px;
}

.hero-title .accent {
  color: var(--brand);
  font-weight: 600;
}

.hero-sub {
  font-size: 17px;
  color: #c3ccd2;
  max-width: 660px;
  line-height: 1.9;
  margin-bottom: 34px;
}

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

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 44px;
}

.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #c0cbd1;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.04);
  padding: 8px 13px;
  border-radius: 999px;
}

.hero-tags span i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}

.section {
  padding: 88px 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 48px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.16em;
  margin-bottom: 16px;
}

.section-label::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--brand);
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.6rem);
  color: #f3f7f5;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  font-weight: 700;
}

.section-sub {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

/* Steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  counter-reset: stepCounter;
}

.step-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 28px 24px 26px;
  min-height: 190px;
  counter-increment: stepCounter;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
  overflow: hidden;
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(35, 209, 182, 0.4);
  background: rgba(23, 30, 40, 0.9);
}

.step-num {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-num);
  font-feature-settings: "tnum";
  font-size: 15px;
  font-weight: 600;
  color: var(--brand);
  letter-spacing: 0.08em;
}

.step-num::before {
  content: "0" counter(stepCounter);
}

.step-card h3 {
  font-size: 17px;
  color: #f1f6f4;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
}

.step-card p {
  color: var(--weak);
  font-size: 14px;
  line-height: 1.7;
}

/* Guide paper */
.guide-paper-section {
  padding: 20px 0 96px;
}

.paper-wrap {
  background: var(--paper);
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: clamp(28px, 5vw, 72px);
  color: #17202b;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
}

.paper-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: clamp(32px, 5vw, 68px);
}

.paper-label {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #0e917a;
  gap: 8px;
  margin-bottom: 22px;
}

.paper-label i {
  width: 8px;
  height: 8px;
  background: #0e917a;
  border-radius: 2px;
}

.paper-wrap h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  color: #0f1921;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 26px;
  font-weight: 700;
}

.guide-copy p {
  color: #3d4a55;
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 18px;
}

.guide-copy h3 {
  color: #121d25;
  font-size: 18px;
  font-weight: 600;
  margin-top: 34px;
  margin-bottom: 10px;
  padding-top: 14px;
  border-top: 1px solid rgba(30, 40, 50, 0.08);
}

.guide-copy h3::before {
  content: "· ";
  color: var(--brand-dark);
}

.guide-copy p:last-child {
  margin-bottom: 0;
}

.guide-index {
  border-left: 2px solid rgba(28, 44, 48, 0.14);
  padding-left: 22px;
  align-self: start;
  position: sticky;
  top: 100px;
}

.guide-index-title {
  font-size: 13px;
  color: #5c6a75;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.guide-index a {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 0;
  color: #33404d;
  font-size: 14px;
  transition: color 0.2s ease, transform 0.2s ease;
  line-height: 1.45;
}

.guide-index a:hover {
  color: #0b8370;
  transform: translateX(3px);
}

.guide-index a b {
  font-size: 11px;
  margin-top: 5px;
  font-family: var(--font-num);
  color: #9aa8af;
  font-weight: 500;
  width: 18px;
  flex-shrink: 0;
}

.guide-index a:hover b {
  color: #0fa185;
}

.guide-card-figure {
  margin-top: 22px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.05);
  position: relative;
}

.guide-card-figure img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.guide-card-figure figcaption {
  font-size: 12px;
  color: #64707a;
  padding: 10px 6px 2px;
}

/* Featured content */
.featured-section {
  background: #0b0e15;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.feature-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  margin-bottom: 34px;
  transition: border-color 0.25s ease;
}

.feature-card:hover {
  border-color: rgba(35, 209, 182, 0.3);
}

.feature-media {
  position: relative;
  min-height: 240px;
}

.feature-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.feature-card:hover .feature-media img {
  transform: scale(1.02);
}

.feature-badge {
  position: absolute;
  left: 16px;
  top: 16px;
  background: rgba(8, 11, 17, 0.78);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 12px;
  padding: 6px 12px;
  border-radius: 999px;
}

.feature-content {
  padding: 34px 38px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(35, 209, 182, 0.1);
  color: var(--brand);
  font-size: 12px;
  border-radius: 999px;
  padding: 4px 11px;
  font-weight: 500;
  border: 1px solid rgba(35, 209, 182, 0.18);
}

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

.feature-content h3 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  color: #f3f7f6;
  line-height: 1.4;
  margin-bottom: 12px;
  font-weight: 600;
}

.feature-content p {
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
  font-size: 15px;
}

/* Channel grid */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.channel-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
}

.channel-card:hover {
  transform: translateY(-5px);
  border-color: rgba(35, 209, 182, 0.34);
}

.channel-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.channel-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.channel-card:hover .channel-media img {
  transform: scale(1.04);
}

.channel-label {
  position: absolute;
  left: 12px;
  bottom: 12px;
  color: #fff;
  font-size: 11px;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(12, 15, 22, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.channel-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.channel-body h3 {
  font-size: 17px;
  color: #eef4f3;
  line-height: 1.5;
  font-weight: 600;
  margin-bottom: 8px;
}

.channel-body p {
  color: var(--weak);
  font-size: 14px;
  line-height: 1.75;
  margin-bottom: 16px;
}

.channel-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  transition: gap 0.2s ease;
}

.channel-link svg {
  width: 15px;
  height: 15px;
}

.channel-link:hover {
  gap: 10px;
}

/* FAQ */
.faq-section {
  background: #0b0e15;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.faq-inner {
  max-width: 920px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  background: rgba(18, 23, 32, 0.7);
  border-radius: 16px;
  margin-bottom: 12px;
  transition: border-color 0.25s ease;
}

.faq-item.open {
  border-color: rgba(35, 209, 182, 0.4);
}

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

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  background: transparent;
  border: 0;
  text-align: left;
  color: #dfe8e6;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  border-radius: 16px;
  min-height: 56px;
}

.faq-question svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--brand);
  transition: transform 0.25s ease;
}

.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}

.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}

.faq-answer-inner {
  min-height: 0;
  overflow: hidden;
}

.faq-item.open .faq-answer-inner {
  padding: 0 24px 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.faq-item.open .faq-answer-inner p {
  padding-top: 14px;
}

.faq-answer-inner p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* CTA */
.cta-section-area {
  padding: 100px 0 104px;
  position: relative;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
}

.cta-section-area::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(8, 11, 17, 0.97) 0%, rgba(8, 11, 17, 0.84) 55%, rgba(9, 14, 18, 0.72) 100%);
}

.cta-box {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.cta-box h2 {
  font-size: clamp(1.7rem, 3.4vw, 2.8rem);
  color: #f5f9f8;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  font-weight: 700;
}

.cta-box p {
  color: #b9c4ca;
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 28px;
}

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

/* Footer */
.site-footer {
  background: #090b11;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 76px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 52px;
}

.footer-col h4 {
  color: #dfe9e7;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
}

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

.footer-col a {
  color: var(--weak);
  font-size: 14px;
  transition: color 0.2s ease, padding-left 0.2s ease;
  display: inline-block;
}

.footer-col a:hover {
  color: var(--brand);
  padding-left: 3px;
}

.footer-brand-text {
  color: var(--weak);
  font-size: 14px;
  line-height: 1.85;
  max-width: 320px;
  margin-top: 14px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 20px;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 22px 0 26px;
  color: #64717c;
  font-size: 13px;
}

.footer-bottom a {
  color: #9aa9b1;
  transition: color 0.2s ease;
}

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

.to-top {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 50%;
  background: transparent;
  transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.to-top:hover {
  background: rgba(35, 209, 182, 0.12);
  border-color: var(--brand);
  transform: translateY(-3px);
}

.to-top svg {
  width: 16px;
  height: 16px;
  fill: currentColor;
}

/* Responsive */
@media (max-width: 1180px) {
  .header-actions .search-wrap {
    display: none;
  }
}

@media (max-width: 991px) {
  .section {
    padding: 64px 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .header-inner {
    min-height: 64px;
    gap: 12px;
    flex-wrap: wrap;
    position: relative;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: -24px;
    right: -24px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    background: rgba(9, 12, 18, 0.98);
    border-bottom: 1px solid var(--line);
    padding: 16px 24px;
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.28);
    margin: 0;
  }

  .site-header.menu-open .main-nav {
    display: flex;
  }

  .nav-link {
    padding: 13px 10px;
    border-radius: 10px;
  }

  .nav-link.active::after {
    left: 10px;
    right: 10px;
    bottom: 8px;
  }

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

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

  .feature-media {
    aspect-ratio: 16 / 10;
    min-height: 0;
  }

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

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

  .paper-layout {
    grid-template-columns: 1fr;
  }

  .guide-index {
    position: static;
    border-left: 0;
    border-top: 2px solid rgba(28, 44, 48, 0.12);
    padding-left: 0;
    padding-top: 22px;
    margin-top: 6px;
  }

  .guide-card-figure {
    display: none;
  }

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

  .footer-brand-text {
    max-width: 420px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }

  .page-hero {
    padding: 92px 0 64px;
  }

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

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

  .step-card {
    min-height: 0;
  }

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

  .guide-paper-section {
    padding: 0 0 64px;
  }

  .paper-wrap {
    border-radius: 0;
    padding: 36px 20px;
  }

  .section {
    padding: 54px 0;
  }

  .cta-section-area {
    padding: 76px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

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

  .to-top {
    align-self: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* roulang page: category2 */
:root {
            --brand: #23d1b6;
            --brand-hover: #2de0c4;
            --brand-soft: rgba(35, 209, 182, .12);
            --brand-deep: #0f1c1a;
            --warm: #f5c56b;
            --bg: #0c0e14;
            --bg-soft: #10141d;
            --card: #171c27;
            --card-dark: #131824;
            --white: #f7faf9;
            --muted: #a9b4b8;
            --line: rgba(255, 255, 255, .09);
            --shadow: 0 18px 44px rgba(0, 0, 0, .28);
            --radius: 18px;
            --radius-sm: 12px;
            --container: 1280px;
            --font: "PingFang SC", "HarmonicOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--white);
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        .skip-link {
            position: fixed;
            top: -40px;
            left: 16px;
            z-index: 100;
            background: var(--brand);
            color: #062018;
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            transition: top .25s ease;
        }
        .skip-link:focus {
            top: 12px;
        }

        .section {
            padding: 88px 0;
        }

        .small-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            letter-spacing: .14em;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
        }
        .small-label::before {
            content: "";
            width: 24px;
            height: 1px;
            background: var(--brand);
            display: block;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }
        .section-head h2 {
            margin-top: 12px;
            font-size: clamp(1.7rem, 2.6vw, 2.6rem);
            line-height: 1.25;
            letter-spacing: -.02em;
            color: #fff;
            font-weight: 700;
        }
        .section-head p {
            margin-top: 14px;
            color: var(--muted);
            font-size: 16px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 10px;
            padding: 14px 26px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
            min-height: 44px;
            white-space: nowrap;
            background: none;
        }
        .btn-primary {
            background: var(--brand);
            color: #062018;
        }
        .btn-primary:hover {
            background: var(--brand-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(35, 209, 182, .18);
        }
        .btn-primary:active {
            transform: scale(.98);
        }
        .btn-ghost {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, .24);
        }
        .btn-ghost:hover {
            border-color: var(--brand);
            background: var(--brand-soft);
            color: var(--brand);
        }
        .btn-light {
            background: var(--white);
            color: #0c1018;
        }
        .btn-light:hover {
            background: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 28px rgba(0, 0, 0, .16);
        }
        .btn-sm {
            padding: 8px 16px;
            font-size: 14px;
            min-height: 40px;
            border-radius: 8px;
        }
        .btn-block {
            width: 100%;
        }

        /* 标签 */
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 11px;
            border: 1px solid rgba(35, 209, 182, .28);
            border-radius: 999px;
            background: rgba(35, 209, 182, .08);
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .02em;
            line-height: 1.5;
        }
        .tag::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: currentColor;
            display: inline-block;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(12, 14, 20, .86);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 74px;
            gap: 18px;
            position: relative;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }
        .brand-mark {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .brand-mark svg {
            width: 28px;
            height: 28px;
        }
        .brand-name {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-title {
            font-size: 19px;
            font-weight: 700;
            letter-spacing: .02em;
            color: #fff;
            display: inline-flex;
            align-items: baseline;
        }
        .brand-title em {
            color: var(--brand);
            font-style: normal;
            font-weight: 700;
        }
        .brand-tag {
            font-size: 11px;
            letter-spacing: .18em;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            text-transform: uppercase;
            margin-top: 2px;
        }
        .brand-tag i {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand);
            font-style: normal;
            display: inline-block;
            box-shadow: 0 0 12px var(--brand);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 8px;
        }
        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 10px 13px;
            border-radius: 8px;
            color: #b6c0c4;
            font-size: 15px;
            font-weight: 500;
            transition: color .2s ease, background .2s ease;
        }
        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, .04);
        }
        .nav-link.active {
            color: #ffffff;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--brand);
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }
        .header-tools .text-link {
            color: var(--muted);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 4px;
        }
        .header-tools .text-link:hover {
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, .12);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        .nav-toggle .bar {
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            transition: opacity .2s, transform .2s;
        }
        .site-header.open .nav-toggle .bar:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .site-header.open .nav-toggle .bar:nth-child(2) {
            opacity: 0;
        }
        .site-header.open .nav-toggle .bar:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Page hero分类页 */
        .page-hero {
            position: relative;
            padding: 118px 0 92px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(100deg, rgba(10, 11, 16, .96) 0%, rgba(10, 11, 16, .82) 44%, rgba(10, 11, 16, .60) 100%);
            pointer-events: none;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 11, 16, .10) 0%, rgba(10, 11, 16, .42) 100%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 880px;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 7px;
            color: var(--muted);
            font-size: 13px;
            margin-bottom: 32px;
        }
        .breadcrumb a {
            color: var(--muted);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--brand);
        }
        .breadcrumb .sep {
            opacity: .6;
        }
        .breadcrumb .current {
            color: #d8e0e0;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--brand);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .22em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }
        .hero-eyebrow::before {
            content: "";
            width: 30px;
            height: 1px;
            background: var(--brand);
        }
        .hero-title {
            font-size: clamp(2.3rem, 5.4vw, 4rem);
            line-height: 1.18;
            letter-spacing: -.03em;
            color: #fff;
            font-weight: 700;
        }
        .hero-title span {
            color: var(--brand);
        }
        .hero-lead {
            margin-top: 20px;
            color: #c4cdd3;
            font-size: 17px;
            line-height: 1.9;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 34px;
        }

        /* 入口导览区 */
        .entry-intro {
            padding-top: 92px;
        }
        .guide-layout {
            display: grid;
            grid-template-columns: 318px minmax(0, 1fr);
            gap: 40px;
            align-items: start;
        }
        .aside-anchor {
            position: sticky;
            top: 94px;
        }
        .aside-card {
            background: linear-gradient(180deg, #161b26, #111722);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 26px 22px;
        }
        .anchor-label {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--brand);
            font-size: 13px;
            letter-spacing: .12em;
            font-weight: 600;
        }
        .anchor-label::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--brand);
        }
        .anchor-nav {
            list-style: none;
            margin: 22px 0 24px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .anchor-nav li {
            border-bottom: 1px solid rgba(255, 255, 255, .04);
        }
        .anchor-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 6px;
            border-radius: 8px;
            color: #aab6bc;
            font-size: 15px;
            font-weight: 500;
            transition: background .2s, color .2s;
        }
        .anchor-nav a em {
            font-style: normal;
            color: var(--brand);
            font-size: 13px;
            font-variant-numeric: tabular-nums;
            width: 24px;
        }
        .anchor-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .04);
        }
        .aside-note {
            margin-top: 16px;
            background: rgba(35, 209, 182, .08);
            border: 1px solid rgba(35, 209, 182, .16);
            border-radius: 12px;
            padding: 14px 16px;
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.7;
        }
        .aside-note strong {
            color: var(--brand);
            font-weight: 600;
        }

        .entry-main {
            min-width: 0;
        }
        .entry-block {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 32px;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: calc(var(--radius) + 4px);
            padding: 32px 30px 34px;
            margin-bottom: 24px;
            transition: border-color .3s ease, background .3s ease;
        }
        .entry-block:hover {
            border-color: rgba(35, 209, 182, .28);
            background: #19212e;
        }
        .entry-block.flip .entry-media {
            order: -1;
        }
        .entry-num {
            font-family: "Inter", "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand);
            letter-spacing: .16em;
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }
        .entry-copy h3 {
            font-size: 22px;
            line-height: 1.45;
            color: #fff;
            margin: 8px 0 12px;
            font-weight: 700;
        }
        .entry-copy h3 em {
            color: var(--brand);
            font-style: normal;
            font-weight: 700;
        }
        .entry-copy p {
            color: #aeb9bf;
            font-size: 15.5px;
            line-height: 1.9;
            margin-bottom: 14px;
        }
        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand);
            font-size: 14.5px;
            font-weight: 600;
        }
        .arrow-link svg {
            width: 16px;
            height: 16px;
            fill: none;
            stroke: currentColor;
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
            transition: transform .2s ease;
        }
        .arrow-link:hover svg {
            transform: translateX(4px);
        }
        .entry-media {
            min-width: 0;
        }
        .entry-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            border-radius: var(--radius-sm);
            background: #1c232f;
        }

        /* 快速入口卡片 */
        .quick-section {
            background: var(--bg-soft);
            border-top: 1px solid rgba(255, 255, 255, .04);
            border-bottom: 1px solid rgba(255, 255, 255, .04);
        }
        .quick-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 20px;
            margin-bottom: 38px;
            flex-wrap: wrap;
        }
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .mode-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: border-color .3s, transform .3s, background .3s;
        }
        .mode-card:hover {
            border-color: rgba(35, 209, 182, .32);
            transform: translateY(-4px);
            background: #19212b;
        }
        .mode-cover {
            display: block;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #101318;
        }
        .mode-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .mode-card:hover .mode-cover img {
            transform: scale(1.03);
        }
        .mode-body {
            padding: 22px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .mode-body h3 {
            margin: 12px 0 10px;
            font-size: 18.5px;
            line-height: 1.45;
            color: #fff;
        }
        .mode-body h3 a {
            transition: color .2s;
        }
        .mode-body h3 a:hover {
            color: var(--brand);
        }
        .mode-body p {
            color: #a4afb4;
            font-size: 14.5px;
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .mode-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .mode-footer .arrow-link {
            font-size: 14px;
        }

        /* 使用场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px 26px;
            display: flex;
            flex-direction: column;
        }
        .scenario-icon {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--brand-soft);
            border: 1px solid rgba(35, 209, 182, .2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .scenario-icon svg {
            width: 22px;
            height: 22px;
            fill: none;
            stroke: var(--brand);
            stroke-width: 1.8;
        }
        .scenario-card h3 {
            font-size: 18px;
            color: #fff;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .scenario-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
        }
        .scenario-card .num-label {
            margin-top: 18px;
            color: #59666d;
            font-family: "Inter", "DIN Alternate", sans-serif;
            font-size: 12px;
            letter-spacing: .12em;
            font-feature-settings: "tnum";
        }

        /* 流程 */
        .flow-section {
            background:
                linear-gradient(rgba(12, 14, 20, .93), rgba(12, 14, 20, .93)),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 92px 0;
            border-top: 1px solid rgba(255, 255, 255, .05);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 44px;
        }
        .step-item {
            position: relative;
            padding: 28px 24px 26px;
            background: rgba(22, 27, 37, .9);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius);
            min-height: 230px;
            overflow: hidden;
            transition: border-color .25s, transform .25s;
        }
        .step-item:hover {
            border-color: rgba(35, 209, 182, .28);
            transform: translateY(-3px);
        }
        .step-number {
            color: var(--brand);
            font-family: "Inter", "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -.02em;
            line-height: 1;
            opacity: .35;
            position: absolute;
            right: 18px;
            top: 16px;
            font-feature-settings: "tnum";
        }
        .step-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand);
            margin-bottom: 22px;
        }
        .step-item h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .step-item p {
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.9;
        }

        /* FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: .72fr 1.28fr;
            gap: 56px;
            align-items: start;
        }
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--line);
            border-left: 3px solid rgba(35, 209, 182, .35);
            border-radius: var(--radius);
            padding: 0 22px;
            transition: background .25s ease;
        }
        .faq-item:hover {
            background: #19212b;
        }
        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 19px 0;
            cursor: pointer;
            color: #dfe6e7;
            font-weight: 600;
            font-size: 16.5px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "+";
            display: flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, .2);
            color: var(--brand);
            font-size: 18px;
            font-weight: 400;
            transition: transform .3s ease, background .3s ease;
            flex: 0 0 auto;
        }
        .faq-item[open] summary::after {
            content: "−";
            transform: rotate(180deg);
            background: var(--brand);
            border-color: var(--brand);
            color: #062018;
        }
        .faq-answer {
            padding: 0 0 20px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.9;
        }
        .faq-answer a {
            color: var(--brand);
        }
        .faq-answer a:hover {
            text-decoration: underline;
        }

        /* CTA */
        .cta-band {
            padding: 118px 0 126px;
            position: relative;
            overflow: hidden;
            border-top: 1px solid rgba(255, 255, 255, .05);
        }
        .cta-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 40px;
        }
        .cta-word {
            position: absolute;
            right: -20px;
            bottom: -60px;
            font-family: "Inter", "DIN Alternate", "Bahnschrift", sans-serif;
            font-size: clamp(8rem, 16vw, 14rem);
            font-weight: 900;
            letter-spacing: -.06em;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, .08);
            line-height: 1;
            z-index: 0;
            pointer-events: none;
            user-select: none;
        }
        .cta-copy {
            position: relative;
            z-index: 2;
        }
        .cta-copy h2 {
            font-size: clamp(2rem, 4vw, 3.2rem);
            line-height: 1.2;
            letter-spacing: -.03em;
            color: #fff;
            font-weight: 700;
            max-width: 620px;
        }
        .cta-copy h2 span {
            color: var(--brand);
        }
        .cta-copy p {
            margin-top: 15px;
            color: var(--muted);
            font-size: 16.5px;
            line-height: 1.9;
            max-width: 590px;
        }

        /* Footer */
        .site-footer {
            background: #090b10;
            border-top: 1px solid rgba(255, 255, 255, .07);
            padding: 72px 0 28px;
            color: var(--muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-brand-text {
            color: #88949a;
            font-size: 14.5px;
            line-height: 1.9;
            margin-top: 18px;
            max-width: 320px;
        }
        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 14px;
            font-weight: 600;
        }
        .site-footer ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer li a {
            color: #93a1a7;
            font-size: 14px;
            transition: color .2s;
        }
        .site-footer li a:hover {
            color: var(--brand);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            color: #6d7a80;
            font-size: 13px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: #8b999f;
        }
        .footer-bottom a:hover {
            color: var(--brand);
        }
        .to-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .1);
            transition: all .2s ease;
        }
        .to-top:hover {
            background: var(--brand);
            border-color: var(--brand);
        }
        .to-top svg {
            width: 18px;
            height: 18px;
            fill: #fff;
            transition: fill .2s;
        }
        .to-top:hover svg {
            fill: #062018;
        }

        /* 焦点 */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* 响应式 */
        @media (max-width: 1180px) {
            .main-nav .nav-link {
                padding: 9px 10px;
                font-size: 14px;
            }
            .brand-title {
                font-size: 17px;
            }
            .header-tools .btn {
                padding: 8px 12px;
                font-size: 13px;
            }
        }
        @media (max-width: 1024px) {
            .nav-toggle {
                display: inline-flex;
            }
            .header-tools {
                display: none;
            }
            .main-nav {
                position: absolute;
                top: calc(100% + 0px);
                left: 0;
                right: 0;
                background: #0f1219;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
                padding: 14px 20px 22px;
                flex-direction: column;
                align-items: stretch;
                display: none;
                max-height: 80vh;
                overflow-y: auto;
                border-radius: 0 0 16px 16px;
                box-shadow: var(--shadow);
            }
            .site-header.open .main-nav {
                display: flex;
                animation: fadeNav .2s ease;
            }
            @keyframes fadeNav {
                from {
                    opacity: 0;
                }
                to {
                    opacity: 1;
                }
            }
            .main-nav .nav-link {
                padding: 13px 6px;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
                border-radius: 0;
                font-size: 15px;
            }
            .main-nav .nav-link.active::after {
                display: none;
            }
            .header-inner {
                min-height: 68px;
            }
            .guide-layout {
                grid-template-columns: 1fr;
            }
            .aside-anchor {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .channel-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .quick-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                text-align: left;
            }
            .entry-block {
                grid-template-columns: 1fr;
                padding: 22px 20px;
            }
            .entry-block.flip .entry-media {
                order: initial;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .page-hero {
                padding: 62px 0 76px;
            }
            .section {
                padding: 62px 0;
            }
            .brand-title {
                font-size: 16px;
            }
            .brand-tag {
                font-size: 10px;
                letter-spacing: .1em;
            }
            .brand-mark svg {
                width: 24px;
                height: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .channel-grid,
            .scenario-grid,
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .entry-copy h3 {
                font-size: 19px;
            }
            .hero-lead {
                font-size: 15.5px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .cta-band {
                padding: 80px 0 88px;
            }
            .cta-word {
                bottom: -30px;
            }
            .entry-media img {
                aspect-ratio: 3 / 2;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                scroll-behavior: auto !important;
                transition-duration: .01ms !important;
            }
        }

/* roulang page: category3 */
:root {
            --bg: #0c0f16;
            --bg-deep: #080b11;
            --bg-soft: #111722;
            --surface: #151b27;
            --surface-raised: #1a2230;
            --brand: #23d1b6;
            --brand-bright: #35e6c6;
            --brand-dark: #062018;
            --text: #eef4f3;
            --heading: #f7faf9;
            --muted: #96a3ad;
            --line: rgba(255, 255, 255, .08);
            --line-strong: rgba(255, 255, 255, .14);
            --gold: #f5c56b;
            --warning: #e7c67e;
            --radius: 20px;
            --radius-sm: 12px;
            --ease: .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: 'PingFang SC', 'HarmonicOS Sans SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.nav-open {
            overflow: hidden;
        }

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

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

        button,
        input {
            font: inherit;
        }

        ul,
        ol,
        p,
        figure {
            margin: 0;
            padding: 0;
        }

        .container {
            width: min(1200px, 92%);
            margin-inline: auto;
        }

        .section {
            padding: clamp(68px, 8vw, 110px) 0;
            position: relative;
        }

        .section-alt {
            background: rgba(255, 255, 255, .018);
            border-top: 1px solid rgba(255, 255, 255, .04);
            border-bottom: 1px solid rgba(255, 255, 255, .04);
        }

        :focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 4px;
            border-radius: 6px;
        }

        ::selection {
            background: rgba(35, 209, 182, .25);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 10px;
            height: 10px;
            background: transparent;
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, .15);
            border-radius: 99px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: rgba(255, 255, 255, .35);
        }

        /* header + nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(12, 15, 22, .82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: clamp(14px, 2vw, 30px);
            min-height: 74px;
            padding-top: 10px;
            padding-bottom: 10px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex: 0 0 auto;
        }

        .brand-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: rgba(35, 209, 182, .1);
            border: 1px solid rgba(35, 209, 182, .25);
        }

        .brand-mark svg {
            width: 22px;
            height: 22px;
        }

        .brand-title {
            font-size: 1.16rem;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: .01em;
            line-height: 1.2;
            display: block;
        }

        .brand-title em {
            color: var(--brand);
            font-style: normal;
        }

        .brand-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: .7rem;
            color: var(--muted);
            letter-spacing: .08em;
            border: 1px solid var(--line-strong);
            padding: 2px 8px;
            border-radius: 999px;
            margin-top: 3px;
        }

        .brand-tag i {
            width: 6px;
            height: 6px;
            background: #34d399;
            border-radius: 50%;
            box-shadow: 0 0 8px rgba(52, 211, 153, .7);
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            position: relative;
            padding: 9px 13px;
            border-radius: 10px;
            font-size: .94rem;
            font-weight: 500;
            color: var(--muted);
            transition: color var(--ease), background var(--ease);
            white-space: nowrap;
        }

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

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

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 13px;
            right: 13px;
            bottom: 1px;
            height: 2px;
            background: var(--brand);
            border-radius: 999px;
            box-shadow: 0 0 12px rgba(35, 209, 182, .6);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 0 0 auto;
        }

        .search-desktop {
            display: flex;
            align-items: center;
            gap: 2px;
            background: rgba(255, 255, 255, .035);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 6px 8px 6px 12px;
            width: 202px;
            transition: width var(--ease), border-color var(--ease), background var(--ease);
        }

        .search-desktop:focus-within {
            width: 240px;
            border-color: rgba(35, 209, 182, .48);
            background: rgba(35, 209, 182, .05);
        }

        .search-desktop input {
            width: 100%;
            min-width: 0;
            background: transparent;
            border: 0;
            outline: 0;
            color: var(--heading);
            font-size: .86rem;
        }

        .search-desktop input::placeholder {
            color: rgba(211, 220, 224, .45);
        }

        .search-btn {
            border: 0;
            background: transparent;
            color: var(--muted);
            padding: 6px;
            display: inline-flex;
            border-radius: 50%;
            cursor: pointer;
            transition: color var(--ease);
        }

        .search-btn:hover {
            color: var(--brand-bright);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 20px;
            border-radius: 10px;
            font-weight: 600;
            line-height: 1;
            border: 0;
            transition: transform var(--ease), background var(--ease), border-color var(--ease), color var(--ease);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:active {
            transform: scale(.98);
        }

        .btn-primary {
            background: var(--brand);
            color: var(--brand-dark);
        }

        .btn-primary:hover {
            background: var(--brand-bright);
            transform: translateY(-2px);
        }

        .btn-ghost {
            background: transparent;
            border: 1px solid var(--line-strong);
            color: #eff7f5;
        }

        .btn-ghost:hover {
            border-color: rgba(35, 209, 182, .55);
            background: rgba(35, 209, 182, .08);
            transform: translateY(-2px);
        }

        .btn-header {
            padding: 10px 18px;
            font-size: .92rem;
        }

        .nav-trigger {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, .03);
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .burger,
        .burger::before,
        .burger::after {
            content: '';
            display: block;
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 99px;
            margin: 4px 0;
            transition: transform var(--ease);
        }

        body.nav-open .burger {
            transform: rotate(45deg) translate(4px, 4px);
        }

        body.nav-open .burger::before {
            opacity: 0;
        }

        body.nav-open .burger::after {
            transform: rotate(-90deg) translate(0, 0);
        }

        /* hero */
        .page-hero {
            position: relative;
            padding: clamp(58px, 8vw, 120px) 0 76px;
            background-image: linear-gradient(90deg, rgba(6, 8, 12, .96) 0%, rgba(8, 12, 18, .9) 42%, rgba(22, 31, 43, .72) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .breadcrumb {
            margin-bottom: 38px;
            color: rgba(218, 227, 229, .55);
            font-size: .8rem;
        }

        .breadcrumb a {
            color: rgba(218, 227, 229, .72);
            transition: color var(--ease);
        }

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

        .breadcrumb .sep {
            margin: 0 8px;
            color: rgba(255, 255, 255, .24);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--brand-bright);
            font-size: .8rem;
            letter-spacing: .14em;
            text-transform: uppercase;
            margin-bottom: 24px;
        }

        .hero-kicker::before {
            content: '';
            width: 22px;
            height: 1px;
            background: var(--brand);
        }

        .page-hero h1 {
            font-size: clamp(2.3rem, 5vw, 4rem);
            line-height: 1.18;
            letter-spacing: -0.02em;
            color: var(--heading);
            font-weight: 700;
            margin: 0 0 22px;
        }

        .page-hero h1 .alt-line {
            color: var(--brand);
            font-weight: 600;
            display: block;
        }

        .hero-desc {
            max-width: 610px;
            font-size: 1.02rem;
            color: var(--muted);
            line-height: 1.9;
            margin-bottom: 30px;
        }

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

        .hero-note-wrap {
            position: relative;
        }

        .hero-visual-card {
            background: rgba(15, 20, 29, .78);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 24px;
            padding: 24px;
            color: #fff;
        }

        .note-label {
            font-size: .82rem;
            letter-spacing: .1em;
            color: var(--brand-bright);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--line);
        }

        .hero-note-list {
            list-style: none;
            padding: 8px 0 14px;
            display: grid;
            gap: 16px;
        }

        .hero-note-list li {
            display: grid;
            grid-template-columns: 86px 1fr;
            gap: 10px;
            font-size: .88rem;
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            padding-bottom: 10px;
        }

        .hero-note-list span {
            color: rgba(220, 228, 230, .55);
        }

        .hero-note-list strong {
            color: #f5f8f7;
            font-weight: 600;
            line-height: 1.5;
        }

        .hero-note-foot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .84rem;
            color: rgba(220, 228, 230, .66);
            margin-top: 6px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #34d399;
            box-shadow: 0 0 0 4px rgba(52, 211, 153, .14);
        }

        /* headings */
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: var(--brand);
            font-size: .76rem;
            font-weight: 600;
            letter-spacing: .2em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-kicker::before {
            content: '';
            width: 7px;
            height: 7px;
            background: var(--brand);
            border-radius: 2px;
            transform: rotate(45deg);
        }

        .section-title {
            font-size: clamp(1.8rem, 3.4vw, 2.8rem);
            line-height: 1.25;
            color: var(--heading);
            letter-spacing: -0.02em;
            font-weight: 700;
            margin: 6px 0 16px;
        }

        .section-desc {
            color: var(--muted);
            font-size: .98rem;
            line-height: 1.85;
            max-width: 680px;
        }

        .section-head {
            margin-bottom: 42px;
        }

        /* panes + cards */
        .pane {
            background: linear-gradient(180deg, rgba(255, 255, 255, .04), rgba(255, 255, 255, .015));
            border: 1px solid var(--line);
            border-radius: var(--radius);
            transition: transform var(--ease), border-color var(--ease), background var(--ease);
        }

        .pane:hover {
            border-color: rgba(35, 209, 182, .28);
            transform: translateY(-4px);
        }

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

        .feature-card {
            padding: 26px;
            position: relative;
            overflow: hidden;
        }

        .card-index {
            position: absolute;
            right: 20px;
            top: 16px;
            font-family: 'DIN Alternate', 'Bahnschrift', sans-serif;
            font-size: 1.35rem;
            font-weight: 600;
            color: rgba(255, 255, 255, .14);
        }

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 13px;
            background: rgba(35, 209, 182, .08);
            border: 1px solid rgba(35, 209, 182, .28);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 26px;
            color: var(--brand);
        }

        .feature-card h3 {
            font-size: 1.06rem;
            color: var(--heading);
            margin: 0 0 10px;
            font-weight: 600;
        }

        .feature-card p {
            margin: 0;
            font-size: .93rem;
            color: var(--muted);
            line-height: 1.8;
        }

        /* steps */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .step-card {
            padding: 24px 24px 28px;
        }

        .step-no {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: 'DIN Alternate', 'Bahnschrift', sans-serif;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--brand);
            width: 50px;
            height: 50px;
            border: 1px solid rgba(35, 209, 182, .32);
            background: rgba(35, 209, 182, .06);
            border-radius: 14px;
            margin-bottom: 22px;
        }

        .step-card h3 {
            color: var(--heading);
            font-size: 1.06rem;
            margin: 0 0 10px;
        }

        .step-card p {
            color: var(--muted);
            font-size: .93rem;
            line-height: 1.8;
            margin: 0;
        }

        /* asym visual block */
        .asym-grid {
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: clamp(24px, 4vw, 64px);
            align-items: center;
        }

        .visual-frame {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            border: 1px solid var(--line);
            background: #0c1017;
        }

        .visual-frame img {
            width: 100%;
            height: min(62vh, 520px);
            object-fit: cover;
        }

        .visual-frame-dark {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 13, 18, .02) 40%, rgba(8, 11, 16, .72) 100%);
        }

        .visual-frame figcaption {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
            color: #fff;
            font-size: .9rem;
            line-height: 1.6;
            padding: 14px 16px;
            background: rgba(9, 12, 18, .68);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 14px;
            backdrop-filter: blur(10px);
        }

        .visual-frame figcaption strong {
            display: block;
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .asym-panel {
            padding: clamp(22px, 4vw, 44px);
            display: flex;
            flex-direction: column;
        }

        .fast-list {
            list-style: none;
            margin-top: 8px;
        }

        .fast-list li {
            display: flex;
            align-items: baseline;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid var(--line);
        }

        .fast-list li::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--brand);
            border-radius: 50%;
            transform: translateY(-2px);
        }

        .fast-list a {
            color: #d7e0e1;
            transition: color var(--ease), transform var(--ease);
            display: inline-flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .fast-list a:hover {
            color: var(--brand-bright);
        }

        /* scenario */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
        }

        .scenario-item {
            padding: 18px 20px;
            border-radius: 15px;
            background: rgba(255, 255, 255, .028);
            border: 1px solid var(--line);
        }

        .scenario-item strong {
            display: block;
            color: var(--heading);
            font-size: .98rem;
            margin-bottom: 5px;
        }

        .scenario-item span {
            color: var(--muted);
            font-size: .9rem;
        }

        /* faq */
        .faq-wrap {
            max-width: 880px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--line);
            background: rgba(255, 255, 255, .02);
            border-radius: 16px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--ease);
        }

        .faq-item.open {
            border-color: rgba(35, 209, 182, .35);
        }

        .faq-q {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            padding: 18px 20px;
            text-align: left;
            background: transparent;
            border: 0;
            color: var(--heading);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
        }

        .faq-q .txt {
            line-height: 1.55;
        }

        .faq-icon {
            flex: 0 0 28px;
            width: 28px;
            height: 28px;
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            position: relative;
            transition: transform var(--ease), border-color var(--ease), background var(--ease);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            background: #b9c7cb;
            border-radius: 4px;
            transition: background var(--ease);
        }

        .faq-icon::before {
            width: 10px;
            height: 2px;
        }

        .faq-icon::after {
            width: 2px;
            height: 10px;
        }

        .faq-item.open .faq-icon {
            border-color: rgba(35, 209, 182, .5);
            transform: rotate(45deg);
        }

        .faq-item.open .faq-icon::before,
        .faq-item.open .faq-icon::after {
            background: var(--brand);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .28s ease;
        }

        .faq-a > div {
            padding: 0 20px 18px;
        }

        .faq-a p {
            color: var(--muted);
            font-size: .93rem;
            line-height: 1.85;
            margin: 0;
        }

        /* cta */
        .cta-section {
            position: relative;
            overflow: hidden;
            padding: clamp(70px, 8vw, 110px) 0;
            background: #080b11;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .cta-watermark {
            position: absolute;
            right: -1rem;
            bottom: -2.4rem;
            font-family: 'DIN Alternate', 'Bahnschrift', sans-serif;
            font-size: clamp(7rem, 20vw, 17rem);
            font-weight: 800;
            line-height: 1;
            letter-spacing: .04em;
            color: rgba(255, 255, 255, .025);
            pointer-events: none;
            user-select: none;
            white-space: nowrap;
        }

        .cta-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1.25fr .75fr;
            gap: 36px;
            align-items: center;
        }

        .cta-inner .section-kicker {
            margin-bottom: 12px;
        }

        .cta-inner h2 {
            font-size: clamp(1.7rem, 3vw, 2.6rem);
            color: #fff;
            line-height: 1.25;
            margin: 0 0 14px;
        }

        .cta-inner p {
            color: var(--muted);
            max-width: 570px;
            margin: 0;
        }

        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: flex-end;
        }

        .btn-lg {
            padding: 15px 26px;
            font-size: 1rem;
        }

        /* footer */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--line);
            padding: 58px 0 24px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: clamp(24px, 4vw, 48px);
        }

        .footer-col h4 {
            color: #e6edec;
            font-size: .9rem;
            font-weight: 600;
            margin: 0 0 16px;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 10px;
        }

        .footer-col a {
            color: #84949c;
            font-size: .88rem;
            transition: color var(--ease), padding-left var(--ease);
        }

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

        .footer-brand-text {
            color: #84949c;
            font-size: .9rem;
            line-height: 1.85;
            margin-top: 18px;
            max-width: 320px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            padding-top: 20px;
            margin-top: 52px;
            border-top: 1px solid var(--line);
            color: #69777f;
            font-size: .82rem;
        }

        .footer-bottom a {
            color: #84949c;
            transition: color var(--ease);
        }

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

        .to-top {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--line-strong);
            border-radius: 50%;
            color: var(--muted);
            transition: all var(--ease);
        }

        .to-top:hover {
            color: var(--brand);
            border-color: rgba(35, 209, 182, .5);
            transform: translateY(-3px);
        }

        .to-top svg {
            width: 18px;
            height: 18px;
            fill: currentColor;
        }

        /* responsive */
        @media (max-width: 1120px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .search-desktop {
                display: none;
            }

            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
        }

        @media (max-width: 1024px) {
            .nav-trigger {
                display: inline-flex;
            }

            .main-nav {
                position: absolute;
                left: 0;
                right: 0;
                top: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(9, 12, 18, .96);
                padding: 14px;
                border-bottom: 1px solid var(--line);
                box-shadow: 0 30px 50px rgba(0, 0, 0, .4);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity .25s ease, transform .25s ease, visibility .25s ease;
                max-height: 0;
                overflow: hidden;
                pointer-events: none;
            }

            body.nav-open .main-nav {
                opacity: 1;
                visibility: visible;
                transform: none;
                max-height: 60vh;
                overflow: auto;
                pointer-events: auto;
            }

            .nav-link {
                padding: 13px 12px;
                border-radius: 12px;
                border-bottom: 1px solid rgba(255, 255, 255, .05);
            }

            .nav-link.active::after {
                left: 12px;
                right: auto;
                width: 18px;
                bottom: 6px;
            }

            .asym-grid,
            .cta-inner {
                grid-template-columns: 1fr;
            }

            .cta-buttons {
                justify-content: flex-start;
            }

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

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

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

        @media (max-width: 640px) {
            .header-inner {
                gap: 10px;
            }

            .brand-title {
                font-size: 1.02rem;
            }

            .brand-tag {
                display: none;
            }

            .btn-header {
                padding: 9px 12px;
            }

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

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

            .hero-note-list li {
                grid-template-columns: 1fr;
                gap: 2px;
            }

            .visual-frame img {
                height: 420px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: .01ms !important;
            }
        }