/* roulang page: index */
:root {
        --bg: #08111F;
        --bg-deep: #04080F;
        --panel: rgba(255, 255, 255, 0.055);
        --panel-soft: rgba(255, 255, 255, 0.03);
        --stroke: rgba(130, 190, 255, 0.15);
        --cyan: #4AE3FF;
        --cyan-deep: #2E80FF;
        --gold: #F6B84C;
        --gold-deep: #E2922A;
        --text-main: #F3F8FF;
        --text-muted: #C3D0E4;
        --text-weak: #7B8BA3;
        --radius-xl: 24px;
        --radius-lg: 16px;
        --radius-md: 12px;
        --shadow-cyan: 0 0 22px rgba(74, 233, 255, 0.28);
        --shadow-cyan-lg: 0 0 34px rgba(74, 233, 255, 0.18);
        --shadow-gold: 0 0 22px rgba(246, 184, 76, 0.24);
        --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    }

    * {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-stack);
        background-color: var(--bg);
        background-image: radial-gradient(ellipse 70% 50% at 12% -8%, rgba(46, 128, 255, 0.13), transparent 60%),
        radial-gradient(ellipse 55% 45% at 85% 15%, rgba(74, 233, 255, 0.08), transparent 60%);
        color: var(--text-main);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    body.bg-lock {
        overflow: hidden;
    }
    h1,
    h2,
    h3,
    h4 {
        line-height: 1.2;
        text-wrap: balance;
    }
    a,
    button,
    input,
    textarea,
    select {
        transition: all 0.2s ease;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
    }
    ul,
    ol {
        list-style: none;
    }
    :focus-visible {
        outline: 2px solid var(--cyan);
        outline-offset: 2px;
        border-radius: 4px;
    }

    .container-site {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 16px;
        padding-right: 16px;
    }
    @media (min-width: 768px) {
        .container-site {
            padding-left: 24px;
            padding-right: 24px;
        }
    }
    @media (min-width: 1024px) {
        .container-site {
            padding-left: 32px;
            padding-right: 32px;
        }
    }

    .section {
        padding-top: 64px;
        padding-bottom: 64px;
    }
    @media (min-width: 1024px) {
        .section {
            padding-top: 96px;
            padding-bottom: 96px;
        }
    }

    .text-gradient-cyan {
        background: linear-gradient(100deg, #fff 10%, var(--cyan) 55%, #7ECBFF 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

    .page-title-xl {
        font-size: clamp(2.4rem, 5vw, 4rem);
        line-height: 1.14;
        letter-spacing: -0.04em;
        font-weight: 800;
    }

    .section-title {
        font-size: clamp(1.8rem, 3.2vw, 2.6rem);
        line-height: 1.2;
        font-weight: 800;
        letter-spacing: -0.02em;
    }

    .subtitle-lg {
        font-size: 19px;
        color: var(--text-muted);
        line-height: 1.8;
    }

    .title-glow-line {
        position: relative;
    }
    .title-glow-line::after {
        content: "";
        display: block;
        width: 44px;
        height: 5px;
        border-radius: 999px;
        margin-top: 18px;
        background: linear-gradient(to right, var(--cyan), transparent);
        position: relative;
    }
    .title-glow-line::before {
        content: "";
        position: absolute;
        width: 7px;
        height: 7px;
        border-radius: 999px;
        background: var(--cyan);
        top: 64px;
        left: 44px;
        box-shadow: var(--shadow-cyan);
        transform: translateX(-50%);
    }

    /* Glass */
    .glass {
        background: rgba(255, 255, 255, 0.055);
        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);
        border: 1px solid var(--stroke);
        border-radius: var(--radius-lg);
    }
    .glass-card {
        background: rgba(6, 13, 26, 0.8);
        border: 1px solid rgba(130, 190, 255, 0.12);
        border-radius: var(--radius-lg);
    }

    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 10px;
        padding: 13px 22px;
        border-radius: 13px;
        font-size: 16px;
        font-weight: 700;
        line-height: 1;
        cursor: pointer;
        border: 1px solid transparent;
        min-height: 48px;
        white-space: nowrap;
        user-select: none;
    }
    .btn-primary {
        background: linear-gradient(135deg, #4AE3FF 0%, #2E80FF 100%);
        color: #03121A;
        min-width: 155px;
        box-shadow: var(--shadow-cyan);
        border-color: rgba(74, 233, 255, 0.75);
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 28px rgba(74, 233, 255, 0.45), 0 10px 22px rgba(0, 0, 0, 0.2);
        background: linear-gradient(135deg, #69EDFF 0%, #3B8AFF 100%);
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: inset 0 2px 8px rgba(5, 60, 100, 0.35);
    }
    .btn-secondary {
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-main);
        border: 1px solid rgba(74, 233, 255, 0.4);
        backdrop-filter: blur(10px);
        min-width: 140px;
    }
    .btn-secondary:hover {
        color: var(--cyan);
        border-color: rgba(74, 233, 255, 0.85);
        background: rgba(74, 233, 255, 0.08);
        transform: translateY(-2px);
        box-shadow: 0 0 18px rgba(74, 233, 255, 0.15);
    }
    .btn-secondary:active {
        transform: translateY(0);
    }
    .btn-gold {
        background: linear-gradient(135deg, #F6B84C 0%, #D9922C 100%);
        color: #241706;
        min-width: 160px;
        border-color: rgba(246, 184, 76, 0.7);
        box-shadow: var(--shadow-gold);
    }
    .btn-gold:hover {
        transform: translateY(-2px);
        color: #241706;
        box-shadow: 0 0 30px rgba(246, 184, 76, 0.32);
    }
    .btn-ghost {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 16px 18px;
        border-radius: 14px;
        color: var(--text-muted);
        border: 1px solid rgba(130, 190, 255, 0.14);
        background: rgba(255, 255, 255, 0.04);
        min-height: 50px;
        font-weight: 600;
    }
    .btn-ghost:hover {
        border-color: rgba(74, 233, 255, 0.4);
        background: rgba(74, 233, 255, 0.06);
        color: var(--text-main);
    }
    @media (max-width: 480px) {
        .btn {
            padding: 14px 16px;
            min-height: 48px;
            font-size: 15px;
            white-space: normal;
        }
        .btn-primary,
        .btn-gold,
        .btn-secondary {
            min-width: 128px;
        }
    }

    /* Nav */
    .navbar {
        position: sticky;
        top: 0;
        z-index: 100;
        border-bottom: 1px solid transparent;
        background: rgba(6, 12, 23, 0.55);
        -webkit-backdrop-filter: blur(20px) saturate(135%);
        backdrop-filter: blur(20px) saturate(135%);
    }
    .navbar.is-scrolled {
        background: rgba(4, 8, 15, 0.78);
        border-bottom-color: rgba(130, 190, 255, 0.12);
        box-shadow: 0 10px 34px rgba(0, 0, 0, 0.22);
    }
    .nav-wrap {
        display: flex;
        align-items: center;
        min-height: 72px;
        gap: 18px;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 800;
        font-size: 21px;
        color: #fff;
        letter-spacing: -0.02em;
        white-space: nowrap;
    }
    .brand-pulse {
        flex-shrink: 0;
        color: var(--cyan);
    }
    .navbar-links {
        display: flex;
        gap: 4px;
        margin-left: 28px;
    }
    .nav-link {
        position: relative;
        display: flex;
        align-items: center;
        min-height: 44px;
        padding: 0 15px;
        color: var(--text-muted);
        font-weight: 600;
        border-radius: 10px;
        font-size: 15px;
    }
    .nav-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.05);
    }
    .nav-link.active {
        color: var(--cyan);
    }
    .nav-link.active::after {
        content: "";
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: -2px;
        height: 2px;
        border-radius: 999px;
        background: linear-gradient(to right, var(--cyan), transparent);
    }
    .navbar-right {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .navbar-search {
        display: flex;
        align-items: center;
        gap: 8px;
        height: 42px;
        width: 190px;
        padding: 0 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(130, 190, 255, 0.15);
        transition: all 0.2s;
    }
    .navbar-search:focus-within {
        border-color: rgba(74, 233, 255, 0.7);
        box-shadow: 0 0 0 3px rgba(74, 233, 255, 0.1);
    }
    .navbar-search input {
        background: transparent;
        border: none;
        width: 100%;
        color: #fff;
        font-size: 14px;
        outline: none;
        font-family: inherit;
    }
    .navbar-search input::placeholder {
        color: var(--text-weak);
    }
    .nav-login {
        min-height: 42px;
        padding: 0 16px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(255, 255, 255, 0.13);
        color: var(--text-main);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 600;
    }
    .nav-login:hover {
        border-color: var(--cyan);
        color: var(--cyan);
        box-shadow: 0 0 12px rgba(74, 233, 255, 0.2);
    }
    .nav-cta {
        min-height: 42px;
        padding: 0 20px;
        border-radius: 12px;
        background: linear-gradient(100deg, #4AE3FF, #2E80FF);
        border: none;
        color: #03121A;
        font-weight: 700;
        box-shadow: 0 0 14px rgba(74, 233, 255, 0.25);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        white-space: nowrap;
    }
    .nav-cta:hover {
        box-shadow: 0 0 26px rgba(74, 233, 255, 0.45);
        transform: translateY(-1px);
    }
    .menu-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        border: 1px solid var(--stroke);
        background: rgba(255, 255, 255, 0.06);
        color: #fff;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }
    .mobile-nav {
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.35s ease, padding 0.3s ease;
        padding: 0 16px;
        border-top: 1px solid rgba(130, 190, 255, 0.12);
        margin-top: 4px;
    }
    .mobile-nav.open {
        display: block;
        max-height: 640px;
        padding-top: 8px;
        padding-bottom: 16px;
    }
    .mobile-search {
        width: 100%;
        display: flex;
        align-items: center;
        gap: 8px;
        margin: 12px 0;
        height: 44px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(130, 190, 255, 0.15);
        border-radius: 999px;
        padding: 0 16px;
    }
    .mobile-search input {
        background: transparent;
        border: none;
        outline: none;
        color: #fff;
    }
    .mobile-nav a.mnav-item {
        display: flex;
        align-items: center;
        min-height: 46px;
        padding: 0 4px;
        font-weight: 600;
        color: var(--text-muted);
        border-bottom: 1px solid rgba(130, 190, 255, 0.07);
    }
    .mobile-nav a.mnav-item.active {
        color: var(--cyan);
    }
    @media (max-width: 1080px) {
        .navbar-search {
            display: none;
        }
        .nav-login {
            display: none;
        }
    }
    @media (max-width: 900px) {
        .navbar-links {
            display: none;
        }
        .menu-toggle {
            display: inline-flex;
        }
        .navbar-right {
            gap: 8px;
        }
        .nav-cta {
            display: none;
        }
        .nav-wrap {
            min-height: 66px;
        }
    }

    /* small hidden search mobile icon maybe CTA button in mobile nav */
    .mnav-cta {
        display: flex;
        gap: 12px;
        margin-top: 18px;
    }
    .mnav-cta .btn {
        flex: 1;
    }

    /* Hero */
    .hero {
        position: relative;
        background-color: #04080F;
        background-image: linear-gradient(116deg, rgba(4, 8, 15, 0.96) 10%, rgba(7, 17, 31, 0.84) 54%, rgba(7, 17, 31, 0.69) 76%, rgba(7, 17, 31, 0.74) 100%), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        border-bottom: 1px solid rgba(130, 190, 255, 0.12);
        overflow: hidden;
    }
    .hero-inner {
        display: grid;
        grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
        align-items: center;
        min-height: 700px;
        padding: 80px 0 72px;
        gap: 48px;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 8px 15px;
        border-radius: 999px;
        background: rgba(74, 233, 255, 0.08);
        border: 1px solid rgba(74, 233, 255, 0.22);
        color: var(--cyan);
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 30px;
    }
    .hero h1 {
        margin-bottom: 24px;
        font-size: clamp(2.4rem, 5vw, 4.15rem);
        line-height: 1.12;
        letter-spacing: -0.04em;
        font-weight: 800;
    }
    .hero-desc {
        font-size: 17px;
        color: var(--text-muted);
        max-width: 560px;
        margin-bottom: 38px;
        line-height: 1.8;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 34px;
    }
    .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: 9px;
    }
    .trust-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 14px;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(130, 190, 255, 0.13);
        color: var(--text-muted);
        font-size: 13px;
        font-weight: 500;
    }
    .trust-chip svg {
        color: var(--cyan);
        flex-shrink: 0;
    }
    .hero-visual {
        position: relative;
    }
    .hero-visual-card {
        position: relative;
        min-height: 460px;
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.13);
        background: linear-gradient(to bottom right, rgba(255, 255, 255, 0.11), rgba(255, 255, 255, 0.025));
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        display: flex;
        flex-direction: column;
        padding: 26px;
        box-shadow: 0 25px 80px rgba(0, 0, 0, 0.3);
    }
    .hero-visual-card:before {
        content: "";
        background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.05) 20%, transparent 55%, rgba(0, 0, 0, 0.1) 100%), url('/assets/images/coverpic/cover-2.webp');
        background-size: cover;
        background-position: center;
        position: absolute;
        inset: 0;
        opacity: 0.8;
        z-index: 0;
    }
    .visual-card-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 25px;
        position: relative;
        z-index: 2;
    }
    .visual-card-icon {
        width: 46px;
        height: 46px;
        border-radius: 14px;
        background: rgba(74, 233, 255, 0.15);
        border: 1px solid rgba(74, 233, 255, 0.3);
        color: var(--cyan);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 18px rgba(74, 233, 255, 0.2);
    }
    .visual-card-label {
        padding: 8px 14px;
        border-radius: 999px;
        background: rgba(4, 8, 15, 0.6);
        border: 1px solid rgba(255, 255, 255, 0.12);
        color: var(--text-main);
        font-size: 13px;
        -webkit-backdrop-filter: blur(8px);
        backdrop-filter: blur(8px);
    }
    .visual-card-bottom {
        position: relative;
        z-index: 2;
        background: rgba(3, 8, 16, 0.5);
        -webkit-backdrop-filter: blur(14px);
        backdrop-filter: blur(14px);
        padding: 20px;
        border-radius: 18px;
        border: 1px solid rgba(255, 255, 255, 0.15);
        margin-top: auto;
    }
    .visual-card-bottom strong {
        font-size: 18px;
        line-height: 1.35;
    }
    .visual-card-bottom p {
        font-size: 14px;
        color: var(--text-muted);
        margin-top: 6px;
    }
    .hero-float-chip {
        position: absolute;
        z-index: 4;
        display: inline-flex;
        gap: 8px;
        align-items: center;
        padding: 11px 14px;
        background: rgba(4, 8, 15, 0.76);
        border: 1px solid rgba(74, 233, 255, 0.25);
        border-radius: 14px;
        font-size: 13px;
        font-weight: 600;
        color: #fff;
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
    }
    @media (max-width: 1000px) {
        .hero-inner {
            grid-template-columns: 1fr;
            min-height: auto;
            padding-top: 58px;
            padding-bottom: 58px;
            gap: 32px;
        }
        .hero-desc {
            max-width: 95%;
        }
        .hero-visual-card {
            min-height: 340px;
        }
    }
    @media (max-width: 520px) {
        .hero-actions {
            flex-direction: column;
        }
        .hero-trust {
            flex-direction: row;
        }
        .hero-visual-card {
            min-height: 300px;
            padding: 20px;
        }
    }

    /* Quick nav cards */
    .quick-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }
    .quick-item {
        display: flex;
        align-items: flex-start;
        flex-direction: column;
        gap: 17px;
        padding: 24px;
        border-radius: var(--radius-lg);
        background: rgba(255, 255, 255, 0.038);
        border: 1px solid rgba(130, 190, 255, 0.11);
        position: relative;
        overflow: hidden;
    }
    .quick-item::after {
        content: "";
        position: absolute;
        width: 160px;
        height: 160px;
        border-radius: 50%;
        background: rgba(74, 233, 255, 0.06);
        filter: blur(20px);
        top: -70px;
        right: -50px;
        pointer-events: none;
    }
    .quick-item:hover {
        border-color: rgba(74, 233, 255, 0.4);
        background: rgba(74, 233, 255, 0.07);
        transform: translateY(-3px);
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.15);
    }
    .quick-icon {
        width: 50px;
        height: 50px;
        border-radius: 15px;
        background: radial-gradient(circle at 20% 20%, rgba(74, 233, 255, 0.15), rgba(46, 128, 255, 0.04));
        border: 1px solid rgba(74, 233, 255, 0.2);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--cyan);
        flex-shrink: 0;
    }
    .quick-item h3 {
        font-size: 17px;
        font-weight: 700;
    }
    .quick-item p {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.65;
        margin-top: 2px;
    }
    .quick-link {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        min-height: 34px;
        color: var(--cyan);
        font-size: 14px;
        font-weight: 600;
    }
    .quick-link:hover svg {
        transform: translateX(3px);
    }
    @media (max-width: 1000px) {
        .quick-grid {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 560px) {
        .quick-grid {
            grid-template-columns: 1fr;
        }
    }

    /* Tier cards */
    .tier-stage {
        position: relative;
        display: flex;
        max-width: 1050px;
        margin: 0 auto;
        flex-direction: column;
        gap: 18px;
    }
    .tier-row {
        display: flex;
        justify-content: flex-start;
    }
    .tier-row:nth-child(2) {
        justify-content: center;
    }
    .tier-row:nth-child(3) {
        justify-content: flex-end;
    }
    .tier-card {
        width: 100%;
        max-width: 530px;
        padding: 36px 34px;
        border-radius: 24px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(130, 190, 255, 0.2);
        -webkit-backdrop-filter: blur(14px);
        backdrop-filter: blur(14px);
        position: relative;
        overflow: hidden;
        transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.2s ease;
    }
    .tier-card:hover {
        transform: translateY(-4px);
        border-color: rgba(74, 233, 255, 0.35);
        box-shadow: 0 18px 46px rgba(0, 0, 0, 0.2);
    }
    .tier-card.featured {
        background: rgba(246, 184, 76, 0.06);
        border: 1px solid rgba(246, 184, 76, 0.45);
        box-shadow: 0 0 30px rgba(246, 184, 76, 0.06);
    }
    .tier-card.featured:after {
        content: "";
        position: absolute;
        width: 220px;
        height: 220px;
        background: rgba(246, 184, 76, 0.11);
        filter: blur(56px);
        right: -80px;
        top: -80px;
        border-radius: 50%;
        pointer-events: none;
    }
    .tier-index {
        font-size: 13px;
        font-weight: 700;
        color: var(--cyan);
        letter-spacing: 0.12em;
        text-transform: uppercase;
    }
    .tier-card h3 {
        font-size: 24px;
        font-weight: 800;
        margin: 12px 0 6px;
    }
    .tier-card p {
        color: var(--text-muted);
        font-size: 15px;
        line-height: 1.7;
    }
    .tier-access {
        margin-top: 20px;
        padding-top: 17px;
        border-top: 1px solid rgba(130, 190, 255, 0.13);
        display: flex;
        gap: 20px;
        align-items: center;
        flex-wrap: wrap;
    }
    .tier-tag {
        display: inline-flex;
        align-items: center;
        min-height: 32px;
        padding: 0 12px;
        border-radius: 999px;
        font-size: 13px;
        background: rgba(74, 233, 255, 0.1);
        border: 1px solid rgba(74, 233, 255, 0.2);
        color: var(--cyan);
    }
    .tier-card.featured .tier-tag {
        background: rgba(246, 184, 76, 0.1);
        border-color: rgba(246, 184, 76, 0.3);
        color: var(--gold);
    }
    @media (max-width: 720px) {
        .tier-row {
            justify-content: center;
        }
        .tier-card {
            padding: 28px 24px;
        }
    }

    /* Compare block */
    .compare-panel {
        border-radius: var(--radius-xl);
        background: rgba(255, 255, 255, 0.045);
        border: 1px solid rgba(130, 190, 255, 0.14);
        overflow: hidden;
    }
    .compare-grid {
        display: grid;
        grid-template-columns: 190px 1fr 1fr 1fr;
        border-collapse: collapse;
    }
    .compare-head {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 20px 18px;
        background: rgba(6, 13, 26, 0.5);
    }
    .compare-cell {
        display: flex;
        flex-direction: column;
        padding: 26px 22px;
        border-left: 1px solid rgba(130, 190, 255, 0.12);
        background: rgba(255, 255, 255, 0.025);
    }
    .compare-cell.hot {
        background: rgba(74, 233, 255, 0.07);
        border: 2px solid rgba(74, 233, 255, 0.55);
        box-shadow: 0 8px 36px rgba(74, 233, 255, 0.13), 0 0 0 4px rgba(74, 233, 255, 0.04);
        border-radius: 14px;
        margin: -1px -1px;
        position: relative;
        z-index: 2;
    }
    .compare-reco {
        position: absolute;
        top: -12px;
        right: 16px;
        padding: 5px 12px;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--gold), #E5A531);
        color: #241706;
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.05em;
    }
    .compare-cell h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .compare-desc {
        font-size: 14px;
        color: var(--text-muted);
        min-height: 56px;
        line-height: 1.5;
        margin-bottom: 8px;
    }
    .feature-list {
        margin: 16px 0;
    }
    .feature-list li {
        display: flex;
        gap: 7px;
        align-items: center;
        padding: 4px 0;
        font-size: 14px;
        color: var(--text-muted);
    }
    .feature-list svg {
        color: var(--cyan);
        flex-shrink: 0;
    }
    .compare-cell.hot .feature-list svg {
        color: var(--gold);
    }
    .compare-card-col {
        display: none;
    }
    @media (max-width: 900px) {
        .compare-panel {
            overflow: visible;
        }
        .compare-grid {
            display: none;
        }
        .compare-cards {
            display: grid;
            gap: 16px;
        }
        .compare-card-col {
            display: block;
        }
        .compare-card-block {
            border-radius: 20px;
            padding: 24px;
            border: 1px solid rgba(130, 190, 255, 0.16);
            background: rgba(255, 255, 255, 0.04);
            position: relative;
        }
        .compare-card-block.hot {
            border: 2px solid var(--cyan);
            background: rgba(74, 233, 255, 0.08);
            box-shadow: var(--shadow-cyan-lg);
        }
    }
    .compare-cards {
        display: none;
    }
    @media (max-width: 900px) {
        .compare-cards {
            display: grid;
        }
    }

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

    /* Time */
    .entry-block {
        background: linear-gradient(118deg, rgba(4, 8, 15, 0.94) 10%, rgba(4, 10, 18, 0.86) 80%), url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        border-radius: var(--radius-xl);
        border: 1px solid rgba(130, 190, 255, 0.15);
        overflow: hidden;
        position: relative;
    }
    .entry-content {
        display: grid;
        grid-template-columns: 1fr 0.8fr;
        gap: 36px;
        padding: 48px 38px;
    }
    .time-boxes {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: 22px;
        font-variant-numeric: tabular-nums;
    }
    .time-box {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-width: 64px;
        height: 72px;
        padding: 6px 12px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(255, 255, 255, 0.14);
        border-radius: 13px;
        color: var(--gold);
        font-size: 24px;
        font-weight: 800;
        box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
        letter-spacing: 1px;
    }
    .time-dot {
        font-size: 24px;
        color: rgba(255, 255, 255, 0.18);
        font-weight: 400;
    }
    .entry-qr {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 14px;
    }
    .qr-placeholder {
        width: 156px;
        height: 156px;
        border-radius: 18px;
        border: 2px dashed rgba(74, 233, 255, 0.5);
        position: relative;
        background: rgba(6, 14, 27, 0.6);
    }
    .qr-placeholder:before,
    .qr-placeholder:after {
        content: "";
        position: absolute;
        inset: 16px;
        opacity: 0.55;
    }
    .qr-placeholder:before {
        background:
            radial-gradient(circle at 30% 30%, transparent 9px, rgba(74, 233, 255, 0.7) 10px, transparent 11px, transparent 20px, rgba(74, 233, 255, 0.7) 21px, transparent 22px),
            radial-gradient(circle at 65% 52%, transparent 5px, rgba(74, 233, 255, 0.45) 6px, transparent 8px),
            radial-gradient(circle at 37% 70%, transparent 7px, rgba(74, 233, 255, 0.6) 8px, transparent 9px);
    }
    .qr-placeholder:after {
        content: "";
        background:
            linear-gradient(180deg, var(--cyan) 0 9px, transparent 9px),
            linear-gradient(180deg, var(--cyan) 0 9px, transparent 9px),
            linear-gradient(90deg, var(--cyan) 0 9px, transparent 9px),
            linear-gradient(90deg, var(--cyan) 0 9px, transparent 9px);
        background-position: top left, bottom left, top right, bottom left;
        background-size: 19px 19px;
        background-repeat: no-repeat;
        inset: 10px;
    }
    .entry-copy {
        color: var(--text-muted);
        font-size: 14px;
        text-align: center;
    }
    @media (max-width: 900px) {
        .entry-content {
            grid-template-columns: 1fr;
            padding: 34px 20px;
        }
    }

    /* Latest */
    .news-section {
        padding-top: 72px;
        padding-bottom: 92px;
    }
    .news-layout {
        display: grid;
        grid-template-columns: minmax(0, 0.45fr) minmax(0, 1fr);
        gap: 40px;
    }
    .feature-side {
        position: relative;
    }
    .side-card {
        border-radius: var(--radius-xl);
        overflow: hidden;
        border: 1px solid rgba(130, 190, 255, 0.12);
        background: rgba(255, 255, 255, 0.04);
    }
    .side-card img {
        width: 100%;
        object-fit: cover;
        height: 190px;
    }
    .side-card-body {
        padding: 20px 18px;
    }
    .side-card-title {
        font-weight: 700;
        font-size: 17px;
        line-height: 1.4;
        margin-bottom: 6px;
    }
    .side-card-desc {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.6;
    }
    .news-list-item {
        display: grid;
        grid-template-columns: 103px 1fr auto;
        align-items: center;
        gap: 15px;
        padding: 18px 14px;
        border-radius: 15px;
        border: 1px solid transparent;
        transition: all 0.2s;
    }
    .news-list-item:hover {
        background: rgba(255, 255, 255, 0.045);
        border-color: rgba(74, 233, 255, 0.12);
        transform: translateX(3px);
    }
    .news-list-item + .news-list-item {
        border-top: 1px solid rgba(130, 190, 255, 0.07);
        border-top-left-radius: 0;
        border-top-right-radius: 0;
    }
    .news-date {
        font-variant-numeric: tabular-nums;
        color: var(--text-weak);
        font-size: 13px;
        white-space: nowrap;
    }
    .news-cat {
        display: inline-flex;
        align-items: center;
        min-height: 27px;
        padding: 0 10px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        background: rgba(74, 233, 255, 0.09);
        border: 1px solid rgba(74, 233, 255, 0.16);
        color: var(--cyan);
        margin-bottom: 5px;
    }
    .news-title {
        font-weight: 700;
        font-size: 16px;
        line-height: 1.45;
    }
    .news-list-item:hover .news-title {
        color: var(--cyan);
    }
    .news-summary {
        color: var(--text-muted);
        font-size: 13px;
        line-height: 1.6;
        margin-top: 4px;
    }
    .news-arrow {
        color: var(--text-weak);
        display: inline-flex;
    }
    .news-list-item:hover .news-arrow {
        color: var(--cyan);
        transform: translateX(4px);
    }
    .media-strip {
        display: flex;
        gap: 14px;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        padding-bottom: 8px;
        margin-top: 40px;
    }
    .media-strip-item {
        min-width: 245px;
        scroll-snap-align: start;
        border-radius: 18px;
        border: 1px solid rgba(130, 190, 255, 0.12);
        overflow: hidden;
        background: rgba(255, 255, 255, 0.03);
    }
    .media-strip-item img {
        width: 245px;
        height: 140px;
        object-fit: cover;
    }
    .media-strip-item .strip-body {
        padding: 14px 15px 17px;
        font-size: 14px;
        font-weight: 600;
        line-height: 1.4;
    }
    @media (max-width: 900px) {
        .news-layout {
            grid-template-columns: 1fr;
        }
        .news-list-item {
            grid-template-columns: 80px 1fr;
        }
        .news-arrow {
            display: none;
        }
    }
    @media (max-width: 520px) {
        .news-list-item {
            grid-template-columns: 1fr;
            gap: 8px;
        }
        .news-date {
            font-size: 12px;
        }
    }

    /* FAQ */
    .faq-grid {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 30px;
    }
    .faq-widget {
        border-radius: var(--radius-xl);
        border: 1px solid rgba(130, 190, 255, 0.13);
        background: rgba(255, 255, 255, 0.045);
        overflow: hidden;
    }
    .faq-item {
        border-bottom: 1px solid rgba(130, 190, 255, 0.1);
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        padding: 20px 22px;
        cursor: pointer;
        font-weight: 600;
        font-size: 16px;
        min-height: 62px;
        border: none;
        background: transparent;
        color: var(--text-main);
        text-align: left;
        width: 100%;
        border-radius: 0;
    }
    .faq-question:hover {
        color: var(--cyan);
    }
    .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 9px;
        border: 1px solid rgba(255, 255, 255, 0.18);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: rgba(255, 255, 255, 0.05);
        color: var(--cyan);
        transition: transform 0.3s ease;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.32s ease;
    }
    .faq-answer-inner {
        padding: 0 24px 22px;
        color: var(--text-muted);
        line-height: 1.75;
        font-size: 15px;
    }
    @media (max-width: 900px) {
        .faq-grid {
            grid-template-columns: 1fr;
        }
    }

    .form-card {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(130, 190, 255, 0.14);
        border-radius: 24px;
        padding: 28px;
        box-shadow: 0 24px 70px rgba(0, 0, 0, 0.2);
    }
    .form-label {
        display: block;
        font-size: 14px;
        color: var(--text-muted);
        margin-bottom: 9px;
        font-weight: 600;
    }
    .form-control {
        width: 100%;
        padding: 14px 15px;
        border-radius: 13px;
        background: rgba(255, 255, 255, 0.07);
        border: 1px solid rgba(130, 190, 255, 0.17);
        color: #fff;
        font-size: 15px;
        font-family: inherit;
        line-height: 1.5;
    }
    .form-control::placeholder {
        color: var(--text-weak);
    }
    .form-control:focus {
        outline: none;
        border-color: rgba(74, 233, 255, 0.75);
        background: rgba(74, 233, 255, 0.04);
        box-shadow: 0 0 0 4px rgba(74, 233, 255, 0.1);
    }
    select.form-control {
        appearance: none;
    }
    textarea.form-control {
        resize: vertical;
        min-height: 120px;
    }
    .form-option {
        display: flex;
        align-items: center;
        gap: 10px;
        width: 100%;
        padding: 12px 15px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.06);
        color: var(--text-main);
        font-weight: 600;
        min-height: 46px;
        border: 1px solid rgba(130, 190, 255, 0.12);
        cursor: pointer;
    }
    .form-option:hover {
        border-color: rgba(74, 233, 255, 0.3);
    }

    /* footer */
    .site-footer {
        border-top: 1px solid rgba(130, 190, 255, 0.12);
        background: rgba(4, 8, 15, 0.56);
        padding: 60px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
        gap: 36px;
        padding-bottom: 46px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 20px;
        font-weight: 800;
        margin-bottom: 14px;
        color: #fff;
    }
    .footer-description {
        color: var(--text-muted);
        font-size: 14px;
        line-height: 1.7;
        max-width: 300px;
    }
    .footer-title {
        margin-bottom: 18px;
        font-size: 16px;
        font-weight: 700;
        color: var(--text-main);
    }
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 5px;
    }
    .footer-links a {
        display: inline-flex;
        align-items: center;
        min-height: 34px;
        color: var(--text-muted);
        font-size: 15px;
        font-weight: 500;
        border-radius: 6px;
    }
    .footer-links a:hover {
        color: var(--cyan);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding: 24px 0;
        font-size: 13px;
        color: var(--text-weak);
    }
    @media (max-width: 900px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 540px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 26px;
        }
    }

    .section-bg-soft {
        background: radial-gradient(ellipse 70% 50% at center, rgba(46, 128, 255, 0.07), transparent 70%);
    }
    .overflow-hidden {
        overflow: hidden;
    }
    .index-link {
        color: var(--cyan);
        font-weight: 500;
        display: inline-flex;
        gap: 6px;
        align-items: center;
        min-height: 30px;
    }
    .index-link:hover {
        text-shadow: 0 0 16px rgba(74, 233, 255, 0.24);
    }

/* roulang page: category1 */
:root{
            --bg-deep:#04080F;
            --bg-main:#08111F;
            --bg-soft:#0C1726;
            --bg-card:rgba(255,255,255,.05);
            --bg-card-soft:rgba(255,255,255,.03);
            --cyan:#4AE3FF;
            --blue:#2E80FF;
            --gold:#F6B84C;
            --text-main:#F3F8FF;
            --text-second:#C3D0E4;
            --text-muted:#7B8BA3;
            --line:rgba(130,190,255,.15);
            --line-strong:rgba(130,190,255,.28);
            --radius-lg:22px;
            --radius-md:14px;
            --radius-sm:10px;
            --shadow-cyan:0 0 22px rgba(74,233,255,.35);
            --shadow-gold:0 0 22px rgba(246,184,76,.28);
            --font-stack:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,sans-serif;
        }
        *{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth}
        body{
            font-family:var(--font-stack);
            background:var(--bg-main);
            color:var(--text-main);
            line-height:1.7;
            -webkit-font-smoothing:antialiased;
            background-image:
                radial-gradient(circle at 12% 4%, rgba(74,233,255,.08), transparent 22%),
                radial-gradient(circle at 88% 16%, rgba(46,128,255,.07), transparent 20%),
                linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
            background-size:auto,auto,56px 56px,56px 56px;
        }
        a,button,input,textarea{font-family:inherit}
        a{color:inherit;text-decoration:none}
        button{background:none;border:none;cursor:pointer}
        img{max-width:100%;display:block}
        .container-site{width:min(1280px,100% - 2rem);margin-left:auto;margin-right:auto}
        @media(min-width:768px){
            .container-site{width:min(1280px,100% - 3rem)}
        }
        @media(min-width:1024px){
            .container-site{width:min(1280px,100% - 4rem)}
        }
        .site-header{
            position:fixed;top:0;left:0;right:0;z-index:100;
            transition:.25s ease;
            border-bottom:1px solid transparent;
            background:rgba(4,8,15,.6);
            backdrop-filter:blur(16px);
        }
        .site-header.scrolled{
            background:rgba(6,12,22,.82);
            border-bottom-color:var(--line);
        }
        .header-inner{
            display:flex;align-items:center;justify-content:space-between;
            min-height:76px;gap:1rem;
        }
        .header-logo{
            display:inline-flex;align-items:center;gap:.6rem;
            font-weight:800;font-size:1.2rem;letter-spacing:.02em;
            white-space:nowrap;transition:.2s;
        }
        .header-logo svg{flex:none;filter:drop-shadow(0 0 6px rgba(74,233,255,.45))}
        .header-logo:hover{color:var(--cyan)}
        .main-nav .navbar-links{display:flex;align-items:center;gap:.25rem}
        .navbar-links .nav-link{
            display:inline-flex;align-items:center;justify-content:center;
            min-height:44px;padding:0 .95rem;
            border-radius:999px;color:var(--text-second);
            font-size:.95rem;font-weight:500;position:relative;transition:.2s;
            white-space:nowrap;
        }
        .navbar-links .nav-link:hover{color:var(--text-main)}
        .navbar-links .nav-link.active{color:var(--cyan);background:rgba(74,233,255,.09)}
        .navbar-links .nav-link.active::after{
            content:"";position:absolute;left:45%;right:45%;bottom:.3rem;height:2px;
            border-radius:2px;background:var(--cyan);
            box-shadow:var(--shadow-cyan);transition:.25s;
        }
        .header-tools{display:flex;align-items:center;gap:.75rem}
        .search-mini{
            display:none;align-items:center;gap:.5rem;
            background:rgba(255,255,255,.06);border:1px solid var(--line);
            border-radius:999px;padding:.35rem .65rem;min-height:42px;
        }
        .search-mini input{background:none;border:none;outline:none;color:var(--text-main);width:130px;font-size:.9rem}
        .search-mini input::placeholder{color:var(--text-muted)}
        .btn-header{
            display:inline-flex;align-items:center;justify-content:center;
            min-height:44px;border-radius:12px;padding:.55rem 1.2rem;
            font-size:.96rem;font-weight:700;transition:.2s;
            background:linear-gradient(135deg,#4AE3FF,#2E80FF);color:#07101C;
            box-shadow:0 0 18px rgba(74,233,255,.28);
        }
        .btn-header:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(74,233,255,.44)}
        .btn-header.ghost{
            background:rgba(255,255,255,.06);color:var(--cyan);border:1px solid var(--line);
            box-shadow:none;
        }
        .btn-header.ghost:hover{background:rgba(255,255,255,.1);transform:none}
        .navbar-trigger{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;color:var(--text-main);background:rgba(255,255,255,.06);border:1px solid var(--line)}
        @media(max-width:1024px){
            .main-nav{position:fixed;top:76px;left:16px;right:16px;z-index:99;
                transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s}
            .main-nav.open{transform:none;opacity:1;pointer-events:auto}
            .main-nav .navbar-links{
                flex-direction:column;align-items:stretch;background:rgba(8,17,31,.92);
                backdrop-filter:blur(20px);border:1px solid var(--line);
                border-radius:18px;padding:.6rem;gap:.15rem;
                box-shadow:0 20px 44px rgba(0,0,0,.4);
            }
            .navbar-links .nav-link{justify-content:flex-start;padding:.75rem 1rem;border-radius:12px}
            .navbar-links .nav-link.active::after{display:none}
            .header-tools{display:none}
        }
        @media(min-width:1025px){
            .navbar-trigger{display:none}
            .search-mini{display:flex}
        }
        @media(min-width:1280px){
            .search-mini:focus-within{box-shadow:var(--shadow-cyan);border-color:rgba(74,233,255,.5)}
        }
        main{padding-top:76px}
        .eyebrow-chip{
            display:inline-flex;align-items:center;gap:.45rem;
            padding:.38rem .85rem;border-radius:999px;
            background:rgba(74,233,255,.08);border:1px solid rgba(74,233,255,.25);
            color:var(--cyan);font-weight:600;font-size:.8rem;
            letter-spacing:.06em;
        }
        .section-rail{display:flex;align-items:center;gap:.6rem;margin-bottom:1rem}
        .section-rail::before{content:"";width:42px;height:4px;background:linear-gradient(90deg,var(--cyan),rgba(74,233,255,.2));border-radius:8px;box-shadow:0 0 12px rgba(74,233,255,.4)}
        .section-rail::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:var(--shadow-cyan)}
        h1,h2,h3,h4{line-height:1.25;letter-spacing:.01em}
        .help-hero{padding:clamp(3.5rem,7vw,6rem) 0 3.5rem;position:relative}
        .help-hero::before{content:"";position:absolute;top:20%;left:20%;width:170px;height:170px;background:radial-gradient(circle,rgba(74,233,255,.12),transparent 70%);filter:blur(6px);pointer-events:none}
        .help-hero-grid{display:grid;grid-template-columns:1fr;gap:2rem;position:relative;z-index:1}
        @media(min-width:1024px){
            .help-hero{padding-bottom:5rem}
            .help-hero-grid{grid-template-columns:minmax(0,1.12fr) minmax(320px,.88fr);align-items:center}
        }
        .help-title{font-size:clamp(2.4rem,5vw,4.2rem);font-weight:900;line-height:1.15}
        .help-lead{margin-top:1.2rem;font-size:1.12rem;line-height:1.9;color:var(--text-second);max-width:60ch}
        .help-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2rem}
        .btn-primary,.btn-ghost{
            display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
            min-height:48px;border-radius:14px;padding:.7rem 1.5rem;font-size:.98rem;font-weight:700;transition:.2s;
        }
        .btn-primary{background:linear-gradient(135deg,#4AE3FF,#2E80FF);color:#07101C;box-shadow:0 0 28px rgba(74,233,255,.3)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(74,233,255,.5)}
        .btn-primary:active{transform:translateY(0)}
        .btn-ghost{background:rgba(255,255,255,.05);color:var(--cyan);border:1px solid var(--line-strong)}
        .btn-ghost:hover{background:rgba(255,255,255,.09);box-shadow:0 0 18px rgba(74,233,255,.15)}
        .btn-gold{background:linear-gradient(135deg,#F6B84C,#E8972B);color:#241606;min-height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.7rem 1.4rem;font-weight:800;transition:.2s;box-shadow:var(--shadow-gold)}
        .btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(246,184,76,.4)}
        .hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:400px;background:
            linear-gradient(180deg,rgba(4,8,15,.15),rgba(4,8,15,.9)),url('/assets/images/coverpic/cover-3.png') center/cover no-repeat;
            border:1px solid var(--line-strong);box-shadow:0 20px 60px rgba(0,0,0,.3)}
        .hero-visual::before{content:"";position:absolute;inset:0;background:linear-gradient(140deg,transparent 30%,rgba(74,233,255,.13) 90%)}
        .hero-visual-content{position:absolute;left:1.25rem;bottom:1.25rem;right:1.25rem;display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;flex-wrap:wrap}
        .hero-caption{max-width:380px;font-size:1rem;color:var(--text-main);text-shadow:0 2px 20px rgba(0,0,0,.4)}
        .light-chips{display:flex;gap:.5rem;align-items:center}
        .trust-chip{padding:.3rem .75rem;border-radius:999px;font-size:.76rem;font-weight:500;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:var(--text-second);white-space:nowrap}
        .help-points{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.8rem}
        .help-point{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;color:var(--text-second)}
        .help-point svg{width:17px;height:17px;color:var(--cyan)}
        .process-section{padding:clamp(2.5rem,6vw,4.5rem) 0}
        .section-title{font-size:clamp(1.8rem,3vw,2.5rem);font-weight:800}
        .section-sub{margin-top:.7rem;color:var(--text-second);max-width:640px}
        .process-grid{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-top:2.5rem}
        @media(min-width:640px){.process-grid{grid-template-columns:repeat(2,1fr)}}
        @media(min-width:1024px){.process-grid{grid-template-columns:repeat(4,1fr)}}
        .process-step{
            position:relative;padding:1.6rem;border-radius:20px;
            background:var(--bg-card);border:1px solid var(--line);
            transition:.25s;
        }
        .process-step:hover{border-color:rgba(74,233,255,.35);transform:translateY(-4px)}
        .process-num{font-size:1rem;font-weight:800;color:var(--cyan);display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:rgba(74,233,255,.1);border:1px solid rgba(74,233,255,.3)}
        .process-step h3{margin-top:1.2rem;font-size:1.18rem;font-weight:700}
        .process-step p{color:var(--text-second);margin-top:.65rem;font-size:.95rem;line-height:1.7}
        .faq-main{padding:clamp(2.5rem,5vw,4.5rem) 0;background:rgba(255,255,255,.02)}
        .faq-layout{display:grid;grid-template-columns:1fr;gap:1.8rem}
        @media(min-width:1024px){
            .faq-layout{grid-template-columns:minmax(0,1fr) 330px;align-items:start;}
        }
        .glass-panel{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--radius-lg);backdrop-filter:blur(20px)}
        .faq-panel{padding:1.25rem}
        @media(min-width:768px){.faq-panel{padding:2rem}}
        .faq-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;margin-bottom:1.4rem}
        .faq-search{
            display:none;align-items:center;gap:.5rem;
            background:rgba(255,255,255,.07);border:1px solid var(--line);
            border-radius:14px;padding:.45rem .8rem;min-height:44px;flex:1;max-width:280px;
            transition:.2s;
        }
        @media(min-width:480px){.faq-search{display:flex}}
        .faq-search input{background:none;border:none;outline:none;color:var(--text-main);width:100%;font-size:.95rem}
        .faq-search input::placeholder{color:var(--text-muted)}
        .faq-search:focus-within{border-color:rgba(74,233,255,.5);box-shadow:var(--shadow-cyan)}
        .faq-list{display:flex;flex-direction:column}
        .faq-item{border-bottom:1px solid rgba(130,190,255,.1);width:100%}
        .faq-item:last-child{border-bottom:none}
        .faq-question button{
            display:flex;align-items:center;gap:1rem;width:100%;text-align:left;
            padding:1.3rem 0;min-height:56px;color:var(--text-main);font-size:1.03rem;font-weight:700;transition:.2s;
        }
        .faq-question button .q-mark{flex:none;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:rgba(74,233,255,.08);border:1px solid rgba(74,233,255,.2);color:var(--cyan);font-weight:800;font-size:.9rem}
        .faq-question button .q-title{flex:1}
        .faq-question button .q-icon{
            flex:none;width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
            border-radius:50%;border:1px solid var(--line);color:var(--text-second);transition:.3s;
            font-size:1.2rem;line-height:1;
        }
        .faq-item.open .faq-question button .q-icon{transform:rotate(45deg);background:rgba(74,233,255,.12);border-color:rgba(74,233,255,.5);color:var(--cyan)}
        .faq-answer{max-height:0;overflow:hidden;opacity:0;transition:max-height .35s ease,opacity .3s ease,padding .3s ease}
        .faq-item.open .faq-answer{max-height:520px;opacity:1;padding-bottom:1.7rem}
        .faq-answer-inner{padding-left:3.6rem;color:var(--text-second);line-height:1.9;font-size:.98rem}
        .faq-empty{display:none;padding:2rem 1.5rem;text-align:center;color:var(--text-muted);border-radius:14px;background:rgba(255,255,255,.02);margin:.5rem 0}
        .sidebar-sticky{position:static;top:1.5rem}
        @media(min-width:1024px){.sidebar-sticky{position:sticky}}
        .side-card{padding:1.6rem;border-radius:var(--radius-lg);background:rgba(255,255,255,.04);border:1px solid var(--line)}
        .side-card .side-title{display:flex;align-items:center;gap:.5rem;font-size:1.05rem;font-weight:800;margin-bottom:1.2rem}
        .side-card .side-title svg{color:var(--cyan)}
        .issue-chips{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.4rem}
        .issue-chip{display:inline-flex;align-items:center;min-height:34px;padding:.3rem .8rem;border-radius:999px;border:1px solid var(--line);font-size:.8rem;color:var(--text-second);transition:.2s;cursor:pointer}
        .issue-chip:hover{color:var(--cyan);border-color:rgba(74,233,255,.5)}
        .side-link-list{display:flex;flex-direction:column;gap:.35rem;margin-top:1.2rem}
        .side-link-list a{display:flex;align-items:center;gap:.55rem;color:var(--text-second);min-height:40px;font-size:.92rem;transition:.2s;border-bottom:1px dashed rgba(130,190,255,.12)}
        .side-link-list a:hover{color:var(--cyan);padding-left:.2rem}
        .updates-section{padding:clamp(2.5rem,6vw,4.5rem) 0}
        .updates-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2.5rem}
        @media(min-width:900px){.updates-grid{grid-template-columns:minmax(0,1fr) .7fr;align-items:start}}
        .update-list{background:var(--bg-card-soft);border:1px solid var(--line);border-radius:22px;padding:1.2rem}
        .update-row{display:flex;flex-direction:column;padding:1.2rem .4rem;border-bottom:1px solid rgba(130,190,255,.09);position:relative}
        .update-row:last-child{border-bottom:none}
        .update-date{font-variant-numeric:tabular-nums;font-size:.85rem;color:var(--text-muted);margin-bottom:.6rem}
        .update-head{display:flex;align-items:center;flex-wrap:wrap;gap:.7rem}
        .bubble{display:inline-flex;align-items:center;padding:.15rem .6rem;background:rgba(74,233,255,.09);border:1px solid rgba(74,233,255,.25);color:var(--cyan);border-radius:999px;font-size:.75rem}
        .update-row h3{font-weight:700;font-size:1.16rem;flex:1;min-width:200px}
        .update-desc{color:var(--text-second);font-size:.95rem;margin-top:.6rem;max-width:70ch}
        .side-photo-card{border-radius:22px;overflow:hidden;border:1px solid var(--line);margin-top:1.6rem;position:relative}
        .side-photo-card img{width:100%;height:190px;object-fit:cover}
        .side-photo-card .side-photo-copy{padding:1.3rem 1.5rem}
        .contact-section{padding:clamp(2.5rem,6vw,4.5rem) 0;background:rgba(255,255,255,.02)}
        .contact-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-top:2rem}
        @media(min-width:1024px){.contact-grid{grid-template-columns:.9fr 1.1fr}}
        .form-card{padding:1.6rem;border-radius:var(--radius-lg);background:rgba(255,255,255,.06);border:1px solid var(--line);backdrop-filter:blur(18px)}
        @media(min-width:640px){.form-card{padding:2rem}}
        .form-row{display:grid;grid-template-columns:1fr;gap:1.2rem}
        @media(min-width:640px){.form-row{grid-template-columns:1fr 1fr}}
        .field-group{display:flex;flex-direction:column;gap:.5rem}
        .field-group label{font-size:.95rem;font-weight:600;color:var(--text-main)}
        .input-field{
            width:100%;min-height:48px;border-radius:14px;
            background:rgba(255,255,255,.07);border:1px solid var(--line);
            padding:.65rem 1rem;color:var(--text-main);font-size:.96rem;transition:.2s;
        }
        .input-field::placeholder{color:var(--text-muted)}
        .input-field:focus{outline:none;border-color:rgba(74,233,255,.55);box-shadow:var(--shadow-cyan);background:rgba(255,255,255,.09)}
        textarea.input-field{resize:vertical;min-height:140px;line-height:1.7}
        .form-meta{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.8rem;margin-top:1.1rem}
        .privacy-hint{color:var(--text-muted);font-size:.82rem}
        .prefooter-cta{padding:clamp(2.5rem,6vw,4.5rem) 0}
        .cta-box{
            background:linear-gradient(135deg,rgba(74,233,255,.08),rgba(46,128,255,.04)),rgba(255,255,255,.04);
            border:1px solid var(--line);border-radius:26px;padding:clamp(2rem,5vw,4.2rem);
            text-align:center;position:relative;overflow:hidden;
        }
        .cta-box::before{content:"";position:absolute;left:50%;top:-40%;width:360px;height:360px;background:radial-gradient(circle,rgba(74,233,255,.2),transparent 65%);transform:translateX(-50%);pointer-events:none}
        .cta-box h2{position:relative;font-size:clamp(1.9rem,4vw,3rem);font-weight:900}
        .cta-box p{position:relative;max-width:560px;margin:1rem auto 0;font-size:1.05rem;color:var(--text-second)}
        .cta-box .help-actions{position:relative;justify-content:center}
        .site-footer{
            border-top:1px solid var(--line);background:var(--bg-deep);
            padding:3.5rem 0 1.2rem;margin-top:auto;
        }
        .footer-grid{display:grid;grid-template-columns:1fr;gap:2.2rem}
        @media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
        @media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem}}
        .footer-brand{display:inline-flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.15rem;color:var(--text-main);transition:.2s}
        .footer-brand:hover{color:var(--cyan)}
        .footer-description{margin-top:1rem;font-size:.95rem;color:var(--text-second);line-height:1.8;max-width:340px}
        .footer-title{font-size:.92rem;font-weight:700;color:var(--text-main);margin-bottom:1rem}
        .footer-links{display:flex;flex-direction:column;gap:.4rem}
        .footer-links a{color:var(--text-muted);font-size:.92rem;min-height:32px;transition:.2s;display:inline-flex;align-items:center}
        .footer-links a:hover{color:var(--cyan);padding-left:.2rem}
        .footer-bottom{
            border-top:1px solid rgba(130,190,255,.09);padding-top:1.4rem;margin-top:2.5rem;
            font-size:.84rem;color:var(--text-muted);
        }
        @media(prefers-reduced-motion:reduce){
            *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
        }

/* roulang page: article */
:root{
    --bg:#08111F;
    --bg-deep:#04080F;
    --panel:rgba(255,255,255,0.05);
    --panel-strong:rgba(17,29,47,0.82);
    --line:rgba(130,190,255,0.15);
    --line-strong:rgba(74,233,255,0.35);
    --cyan:#4AE3FF;
    --blue:#2E80FF;
    --gold:#F6B84C;
    --text:#F3F8FF;
    --text-muted:#C3D0E4;
    --text-faint:#7B8BA3;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-btn:14px;
    --shadow-cyan:0 0 22px rgba(74,233,255,0.35);
    --shadow-gold:0 0 22px rgba(246,184,76,0.28);
    --container:min(1280px, calc(100vw - 64px));
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    margin:0;
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    background-color:var(--bg);
    background-image:
        radial-gradient(circle at 14% 6%, rgba(74,233,255,0.10), transparent 480px),
        radial-gradient(circle at 88% 16%, rgba(46,128,255,0.10), transparent 520px),
        linear-gradient(rgba(255,255,255,0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.018) 1px, transparent 1px);
    background-size:auto,auto,52px 52px,52px 52px;
    line-height:1.75;
    min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul[class]{list-style:none;padding:0;margin:0}
button,input{font:inherit}
.container-site{width:var(--container);margin-inline:auto}
.flex{display:flex}
.gap-2{gap:0.5rem}
.mt-4{margin-top:1rem}

/* 按钮系统 */
.btn{
    min-height:44px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:10px 20px;
    border-radius:var(--radius-btn);
    font-size:0.94rem;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    border:1px solid transparent;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,opacity .2s ease;
    white-space:nowrap;
}
.btn-primary{
    background:linear-gradient(135deg,#63f0ff,#2E80FF);
    color:#02141A;
    box-shadow:var(--shadow-cyan);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(74,233,255,0.5)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 14px rgba(74,233,255,0.3)}
.btn-primary:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn-subtle{
    background:rgba(255,255,255,0.04);
    border-color:rgba(74,233,255,0.33);
    color:#dffaff;
}
.btn-subtle:hover{background:rgba(74,233,255,0.12);border-color:var(--cyan);box-shadow:0 0 18px rgba(74,233,255,0.12)}
.btn-subtle:active{transform:translateY(1px)}
.btn-subtle:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-gold{
    background:linear-gradient(135deg,#FFD78A,#F6B84C);
    color:#34230A;
    box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(246,184,76,0.4)}
.btn-gold:active{transform:translateY(1px)}
.btn-gold:focus-visible{outline:2px solid #fff;outline-offset:3px}
.btn .svg-ic{width:18px;height:18px;flex:none}
.trust-chip{
    display:inline-flex;
    align-items:center;
    min-height:28px;
    padding:3px 14px;
    font-size:0.78rem;
    border-radius:999px;
    background:rgba(74,233,255,0.10);
    color:#9bf1ff;
    border:1px solid rgba(74,233,255,0.20);
}
.badge{
    display:inline-flex;
    align-items:center;
    min-height:28px;
    padding:4px 14px;
    font-size:0.78rem;
    font-weight:600;
    border-radius:999px;
    background:rgba(74,233,255,0.10);
    color:#9BF1FF;
    border:1px solid rgba(74,233,255,0.22);
}

/* 顶部导航 */
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(8,17,31,0.80);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(130,190,255,0.12);
    transition:background .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.scrolled{
    background:rgba(4,8,15,0.88);
    border-bottom-color:rgba(130,190,255,0.18);
    box-shadow:0 8px 30px rgba(0,0,0,0.30);
}
.header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    min-height:76px;
}
.brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:none;
    font-size:1.24rem;
    font-weight:800;
    letter-spacing:0.01em;
    color:var(--text);
}
.brand:focus-visible{outline:2px solid var(--cyan);outline-offset:4px;border-radius:8px}
.header-nav-wrap{
    display:flex;
    align-items:center;
    gap:18px;
    justify-content:flex-end;
    flex:1;
    min-width:0;
}
.header-search{
    position:relative;
    display:flex;
    align-items:center;
    width:210px;
    flex:none;
}
.header-search svg{
    position:absolute;
    left:12px;
    width:16px;
    height:16px;
    color:var(--text-faint);
    pointer-events:none;
}
.header-search input{
    width:100%;
    min-height:42px;
    padding:9px 12px 9px 36px;
    border-radius:999px;
    border:1px solid rgba(130,190,255,0.16);
    background:rgba(255,255,255,0.05);
    color:var(--text);
    font-size:0.88rem;
    transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.header-search input::placeholder{color:var(--text-faint)}
.header-search input:focus{
    outline:none;
    border-color:rgba(74,233,255,0.6);
    box-shadow:var(--shadow-cyan);
    background:rgba(255,255,255,0.07);
}
.navbar-links{
    display:flex;
    align-items:center;
    gap:4px;
    padding:4px;
    border-radius:999px;
    background:rgba(255,255,255,0.03);
    border:1px solid rgba(130,190,255,0.12);
}
.nav-link{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    min-height:44px;
    padding:10px 14px;
    font-size:0.92rem;
    color:var(--text-muted);
    border-radius:999px;
    transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,0.08)}
.nav-link.active{
    color:#fff;
    background:rgba(74,233,255,0.14);
    box-shadow:inset 0 0 0 1px rgba(74,233,255,0.24);
}
.header-actions{
    display:flex;
    align-items:center;
    gap:10px;
    flex:none;
}
.menu-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    flex:none;
    background:rgba(255,255,255,0.05);
    border:1px solid rgba(130,190,255,0.15);
    border-radius:12px;
    color:var(--text);
    cursor:pointer;
}
.menu-toggle:hover{background:rgba(255,255,255,0.1)}
.menu-toggle svg{width:22px;height:22px}

/* 文章顶部区 */
.article-top{
    position:relative;
    padding:54px 0 62px;
    background:
        linear-gradient(120deg, rgba(4,8,15,0.94), rgba(10,26,43,0.80)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
    border-bottom:1px solid rgba(130,190,255,0.13);
}
.breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    color:var(--text-faint);
    font-size:0.84rem;
    margin-bottom:28px;
}
.breadcrumb a{color:var(--text-muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .current{color:var(--text-faint)}
.breadcrumb .sep{opacity:0.6}
.article-top-grid{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(260px,0.85fr);
    gap:44px;
    align-items:center;
}
.article-hero-label{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    align-items:center;
    margin-bottom:20px;
}
.page-h1{
    margin:0;
    font-size:clamp(2rem,4vw,3.2rem);
    font-weight:850;
    line-height:1.18;
    letter-spacing:-0.02em;
    color:var(--text);
    text-wrap:balance;
}
.article-meta-list{
    display:flex;
    flex-wrap:wrap;
    gap:14px 26px;
    color:var(--text-muted);
    font-size:0.9rem;
    margin-top:28px;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:8px;
    min-height:24px;
}
.meta-item svg{width:16px;height:16px;color:var(--cyan)}
.article-top-cover{
    position:relative;
    aspect-ratio:4/3;
    border-radius:24px;
    overflow:hidden;
    border:1px solid rgba(74,233,255,0.22);
    box-shadow:0 24px 70px rgba(0,0,0,0.45),0 0 34px rgba(74,233,255,0.08);
}
.article-top-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
}
.article-top-cover:after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(200deg,transparent 42%,rgba(4,8,15,0.78) 100%);
}
.cover-note{
    position:absolute;
    left:18px;
    bottom:16px;
    z-index:2;
    display:flex;
    align-items:center;
    gap:8px;
    color:#fff;
    font-size:0.84rem;
    background:rgba(4,8,15,0.48);
    border:1px solid rgba(255,255,255,0.12);
    backdrop-filter:blur(8px);
    padding:6px 14px;
    border-radius:999px;
}

/* 正文和侧栏 */
.detail-section{
    padding:56px 0 24px;
}
.detail-wrapper{
    display:grid;
    grid-template-columns:minmax(0,1fr) 318px;
    gap:40px;
    align-items:start;
}
.detail-main{
    min-width:0;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(130,190,255,0.16);
    border-radius:var(--radius-lg);
    padding:clamp(22px,4vw,48px);
    box-shadow:0 20px 60px rgba(0,0,0,0.22);
}
.article-cms-content{
    max-width:820px;
    margin-inline:auto;
    font-size:1.02rem;
    color:#E1E8F4;
    line-height:1.9;
    letter-spacing:0.008em;
}
.article-cms-content>*+*{margin-top:1.35rem}
.article-cms-content p{
    margin:0 0 1.35rem 0;
}
.article-cms-content h1,
.article-cms-content h2,
.article-cms-content h3{
    position:relative;
    color:#fff;
    font-weight:750;
    line-height:1.45;
    margin:2.2em 0 0.8em;
}
.article-cms-content h1{
    font-size:2rem;
}
.article-cms-content h2{
    font-size:1.5rem;
    padding-left:16px;
    border-left:4px solid var(--cyan);
    border-radius:0 10px 10px 0;
    background:linear-gradient(90deg,rgba(74,233,255,0.08),transparent 80%);
    padding-top:4px;
    padding-bottom:4px;
}
.article-cms-content h3{
    font-size:1.2rem;
}
.article-cms-content a{
    color:var(--cyan);
    border-bottom:1px solid rgba(74,233,255,0.35);
    transition:border-color .2s ease,color .2s ease;
}
.article-cms-content a:hover{border-color:#fff;color:#fff}
.article-cms-content img{
    width:100%;
    max-height:520px;
    object-fit:cover;
    border-radius:18px;
    border:1px solid rgba(130,190,255,0.14);
}
.article-cms-content blockquote{
    margin:1.8rem 0;
    padding:18px 22px;
    border-left:4px solid var(--cyan);
    background:rgba(74,233,255,0.07);
    border-radius:10px 18px 18px 10px;
    color:#d7eaff;
}
.article-cms-content ul,
.article-cms-content ol{
    padding-left:1.4rem;
    margin:1.2rem 0;
}
.article-cms-content li{margin-bottom:0.5rem}
.article-cms-content table{
    width:100%;
    border-collapse:collapse;
    margin:1.6rem 0;
    font-size:0.95rem;
}
.article-cms-content th,
.article-cms-content td{
    border:1px solid rgba(130,190,255,0.18);
    padding:12px 14px;
    text-align:left;
}
.article-cms-content th{
    background:rgba(74,233,255,0.08);
    color:#c9f7ff;
    font-weight:650;
}
.not-found-card{
    text-align:center;
    padding:80px 20px;
    min-height:280px;
    background:rgba(255,255,255,0.02);
    border:1px dashed rgba(130,190,255,0.22);
    border-radius:20px;
}
.not-found-card h2{
    font-size:1.4rem;
    color:#fff;
    margin:0 0 14px;
}
.not-found-card p{
    color:var(--text-faint);
    margin:0 0 26px;
    font-size:1rem;
}
.return-row{
    margin-top:40px;
    padding-top:24px;
    border-top:1px solid rgba(130,190,255,0.12);
    display:flex;
    justify-content:center;
    gap:12px;
    flex-wrap:wrap;
}

/* 右侧辅助信息 */
.detail-side{
    display:flex;
    flex-direction:column;
    gap:18px;
    position:sticky;
    top:100px;
}
.side-card{
    background:var(--panel-strong);
    border:1px solid rgba(130,190,255,0.14);
    border-radius:20px;
    padding:22px;
    transition:border-color .2s ease,transform .2s ease;
}
.side-card:hover{border-color:rgba(74,233,255,0.34);transform:translateY(-2px)}
.side-card h3{
    font-size:1.02rem;
    line-height:1.5;
    color:#fff;
    margin:0 0 14px;
    display:flex;
    align-items:center;
    gap:9px;
}
.side-card h3 svg{width:18px;height:18px;color:var(--cyan)}
.side-link{
    display:flex;
    align-items:center;
    min-height:44px;
    padding:10px 12px;
    border-radius:12px;
    color:var(--text-muted);
    font-size:0.92rem;
    transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.side-link:hover{
    background:rgba(74,233,255,0.1);
    color:#fff;
    padding-left:18px;
}
.side-note{
    border-radius:18px;
    padding:18px;
    background:rgba(246,184,76,0.08);
    border:1px solid rgba(246,184,76,0.22);
    color:#FFE7BC;
    font-size:0.9rem;
    line-height:1.7;
}
.side-img-card img{
    border-radius:14px;
    aspect-ratio:16/10;
    object-fit:cover;
    width:100%;
}

/* 延伸列表 */
.latest-section{
    padding:72px 0 34px;
}
.section-head{
    margin-bottom:30px;
}
.section-eyebrow{
    color:var(--cyan);
    font-size:0.82rem;
    letter-spacing:0.16em;
}
.section-title{
    font-size:clamp(1.8rem,3vw,2.5rem);
    font-weight:800;
    color:#fff;
    line-height:1.3;
    margin:8px 0 10px;
}
.section-leader{
    max-width:720px;
    color:var(--text-faint);
    font-size:0.98rem;
}
.latest-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
}
.detail-card{
    display:flex;
    flex-direction:column;
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(130,190,255,0.13);
    border-radius:20px;
    overflow:hidden;
    transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.detail-card:hover{
    transform:translateY(-4px);
    border-color:rgba(74,233,255,0.32);
    box-shadow:0 18px 45px rgba(0,0,0,0.25);
}
.detail-card-img{
    aspect-ratio:16/10;
    overflow:hidden;
    background:#0d1e2f;
}
.detail-card-img img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .4s ease;
}
.detail-card:hover .detail-card-img img{transform:scale(1.04)}
.detail-card-body{
    padding:22px;
    display:flex;
    flex-direction:column;
    gap:10px;
    flex:1;
}
.detail-card-body .card-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
}
.detail-card-body .card-meta{font-size:0.8rem;color:var(--text-faint)}
.detail-card-body h3{
    margin:0;
    font-size:1.06rem;
    line-height:1.55;
    color:#fff;
    font-weight:650;
}
.detail-card-body p{
    margin:0;
    color:var(--text-muted);
    font-size:0.9rem;
    line-height:1.7;
}
.detail-card-body .card-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    min-height:36px;
    color:var(--cyan);
    font-size:0.9rem;
    font-weight:600;
    margin-top:6px;
    transition:gap .2s ease;
}
.detail-card-body .card-link:hover{gap:12px;color:#fff}

/* 内容通道条 */
.quick-guide-section{
    padding:40px 0 72px;
}
.guide-panel{
    display:grid;
    grid-template-columns:0.9fr 1.1fr;
    gap:0;
    border-radius:24px;
    border:1px solid rgba(246,184,76,0.18);
    overflow:hidden;
    background:linear-gradient(120deg,rgba(15,28,45,0.9),rgba(8,17,31,0.7));
}
.guide-panel-media{
    min-height:220px;
    background:url('/assets/images/coverpic/cover-6.webp') center/cover no-repeat;
    position:relative;
}
.guide-panel-media:after{
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,transparent 40%,rgba(8,17,31,0.92) 100%);
}
.guide-panel-content{
    padding:34px;
}
.guide-panel-content h2{
    margin:0 0 10px;
    font-size:1.6rem;
    font-weight:750;
    color:#fff;
    display:flex;
    align-items:center;
    gap:10px;
}
.guide-panel-content p{color:var(--text-muted);margin:0 0 18px}
.guide-actions{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}

/* 页脚 */
.site-footer{
    border-top:1px solid rgba(130,190,255,0.13);
    background:rgba(4,8,15,0.78);
    padding-top:64px;
    margin-top:30px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.2fr 0.8fr 0.9fr 1.2fr;
    gap:36px;
    padding-bottom:40px;
}
.footer-brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:1.2rem;
    font-weight:800;
    color:#fff;
    min-height:44px;
}
.footer-description{
    color:#7B8BA3;
    font-size:0.9rem;
    line-height:1.8;
    margin:14px 0 0;
    max-width:330px;
}
.footer-title{
    color:#fff;
    font-size:0.95rem;
    font-weight:600;
    margin:0 0 14px;
    letter-spacing:0.02em;
}
.footer-links{
    display:flex;
    flex-direction:column;
    gap:8px;
}
.footer-links a{
    display:inline-flex;
    align-items:center;
    min-height:40px;
    color:#8DA0BA;
    font-size:0.9rem;
    transition:color .2s ease,padding-left .2s ease;
}
.footer-links a:hover{
    color:var(--cyan);
    padding-left:8px;
}
.footer-bottom{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:10px;
    padding:22px 0 26px;
    border-top:1px solid rgba(130,190,255,0.10);
    color:var(--text-faint);
    font-size:0.82rem;
}

/* 响应式 */
@media (max-width:1200px){
    .header-search{width:170px}
    .navbar-links .nav-link{padding:8px 10px}
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
    .container-site{width:min(1280px, calc(100vw - 40px))}
    .header-nav-wrap{gap:10px}
    .header-search{display:none}
    .article-top-grid{grid-template-columns:1fr}
    .article-top-cover{max-width:620px}
    .detail-wrapper{grid-template-columns:1fr}
    .detail-side{position:static;grid-template-columns:1fr 1fr;display:grid;align-items:start}
    .side-card:last-child{grid-column:1/-1}
    .latest-grid{grid-template-columns:repeat(2,1fr)}
    .guide-panel{grid-template-columns:1fr}
    .guide-panel-media{min-height:180px}
    .guide-panel-media:after{background:linear-gradient(180deg,transparent 40%,rgba(8,17,31,0.9) 100%)}
}
@media (max-width:800px){
    .navbar-links{
        display:none;
    }
    .navbar-links.open{
        display:flex;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        border-radius:20px;
        padding:12px;
        background:rgba(4,8,15,0.93);
        box-shadow:0 12px 36px rgba(0,0,0,0.4);
        border:1px solid rgba(74,233,255,0.16);
        position:absolute;
        top:70px;
        right:0;
        left:0;
        z-index:60;
    }
    .navbar-links.open .nav-link{
        justify-content:flex-start;
        padding:12px 16px;
        border-radius:14px;
    }
    .header-nav-wrap{
        flex-wrap:wrap;
    }
    .header-actions{
        margin-left:auto;
    }
    .header-actions .btn-subtle{display:none}
    .header-actions .btn-primary{
        width:44px;
        padding:0;
        font-size:0;
        gap:0;
        border-radius:12px;
    }
    .header-actions .btn-primary:before{
        content:"进入";
        font-size:0.95rem;
    }
    .menu-toggle{display:inline-flex}
    .footer-grid{grid-template-columns:1fr}
    .latest-grid{grid-template-columns:1fr}
    .detail-side{grid-template-columns:1fr 1fr}
    .detail-card{padding-bottom:6px}
}
@media (max-width:520px){
    :root{--container:calc(100vw - 32px)}
    .header-inner{gap:10px}
    .brand{font-size:1.06rem}
    .brand svg{width:21px;height:21px}
    .article-top{padding:36px 0 42px}
    .page-h1{font-size:clamp(1.6rem,6vw,2.35rem)}
    .article-hero-label{gap:8px;margin-bottom:14px}
    .article-meta-list{gap:12px;margin-top:20px}
    .article-top-cover{border-radius:18px}
    .detail-section{padding-top:36px}
    .detail-main{padding:20px}
    .detail-side{grid-template-columns:1fr;display:flex;flex-direction:column}
    .guide-panel-content{padding:24px}
    .guide-actions .btn{width:100%}
    .footer-grid{gap:26px}
    .footer-brand svg{width:22px;height:22px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
    *,*:before,*:after{
        animation:none!important;
        transition:none!important;
        scroll-behavior:auto!important;
    }
}

/* roulang page: category2 */
:root {
            --bg-deep: #04080F;
            --bg-main: #08111F;
            --bg-soft: #0C1828;
            --primary: #4AE3FF;
            --primary-blue: #2E80FF;
            --gold: #F6B84C;
            --text-main: #F3F8FF;
            --text-secondary: #C3D0E4;
            --text-muted: #7B8BA3;
            --border-glass: rgba(130, 190, 255, 0.15);
            --radius-large: 24px;
            --radius-mid: 16px;
            --radius-small: 12px;
            --shadow-cyan: 0 0 22px rgba(74, 233, 255, 0.35);
            --shadow-gold: 0 0 22px rgba(246, 184, 76, 0.28);
            --transition: .2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-main);
            background-image:
                radial-gradient(ellipse 70% 45% at 18% 0%, rgba(46, 128, 255, 0.10) 0%, transparent 70%),
                radial-gradient(ellipse 60% 35% at 85% 8%, rgba(74, 233, 255, 0.05) 0%, transparent 70%);
            color: var(--text-main);
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 6px;
        }

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

        .container-site {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 页面顶部间距补偿（因为header固定） ===== */
        .page-offset {
            padding-top: 120px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            background: rgba(8, 17, 31, 0.78);
            border-bottom: 1px solid rgba(130, 190, 255, 0.10);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .logo-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 22px;
            font-weight: 800;
            letter-spacing: .5px;
            color: var(--text-main);
        }

        .logo-main .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: rgba(74, 233, 255, 0.08);
            border: 1px solid rgba(74, 233, 255, 0.3);
            box-shadow: inset 0 0 12px rgba(74, 233, 255, 0.07);
        }

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

        .nav-link {
            position: relative;
            display: inline-block;
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: color .2s ease, background .2s ease;
            min-height: 40px;
            line-height: 24px;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(74, 233, 255, 0.06);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(74, 233, 255, 0.10);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(74, 233, 255, 0.1));
            box-shadow: 0 0 10px rgba(74, 233, 255, 0.6);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(130, 190, 255, 0.15);
            border-radius: 999px;
            padding: 0 14px;
            height: 42px;
            width: 210px;
            transition: border-color .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: rgba(74, 233, 255, 0.6);
            box-shadow: 0 0 16px rgba(74, 233, 255, 0.12);
        }

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

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-height: 44px;
            padding: 0 22px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #42B4FF);
            color: #062130;
            font-weight: 700;
            font-size: 15px;
            box-shadow: 0 0 16px rgba(74, 233, 255, 0.18);
            transition: transform .2s ease, box-shadow .2s ease, filter .2s;
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 26px rgba(74, 233, 255, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0) scale(.98);
            filter: brightness(.94);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 42px;
            padding: 0 18px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(74, 233, 255, 0.25);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background .2s, border-color .2s;
        }

        .btn-secondary:hover {
            background: rgba(74, 233, 255, 0.08);
            border-color: rgba(74, 233, 255, 0.5);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid rgba(130, 190, 255, 0.2);
            background: rgba(255, 255, 255, 0.05);
            cursor: pointer;
            color: #fff;
        }

        @media (max-width: 1024px) {
            .navbar-links {
                display: none;
                position: absolute;
                top: 74px;
                left: 16px;
                right: 16px;
                background: rgba(8, 17, 31, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(130, 190, 255, 0.14);
                border-radius: 18px;
                padding: 12px;
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                box-shadow: 0 18px 60px rgba(0, 0, 0, 0.4);
            }

            .navbar-links.menu-open {
                display: flex;
            }

            .nav-link {
                padding: 12px 16px;
                border-radius: 10px;
            }

            .nav-link.active::after {
                left: auto;
                right: 20px;
                bottom: 8px;
                width: 5px;
                height: 5px;
                border-radius: 50%;
            }

            .nav-actions .search-box {
                display: none;
            }

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

        @media (max-width: 640px) {
            .logo-main {
                font-size: 18px;
            }

            .nav-actions .btn-primary {
                padding: 0 14px;
                font-size: 14px;
            }

            .nav-actions .btn-secondary {
                display: none;
            }
        }

        /* ===== 帮助中心首屏简介区 ===== */
        .help-hero {
            padding-top: 50px;
            padding-bottom: 56px;
        }

        .help-hero .hero-title {
            font-size: clamp(2.2rem, 4.2vw, 3.6rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.3px;
        }

        .hero-accent {
            display: inline-block;
            width: 52px;
            height: 5px;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--primary) 0%, rgba(74, 233, 255, 0.08) 120%);
            margin-bottom: 22px;
            box-shadow: 0 0 14px rgba(74, 233, 255, 0.4);
        }

        .help-hero .desc {
            color: var(--text-secondary);
            font-size: 17px;
            line-height: 1.9;
            max-width: 560px;
            margin-top: 20px;
        }

        .helper-summary {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid rgba(130, 190, 255, 0.13);
            border-radius: var(--radius-large);
            padding: 26px 24px;
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            position: relative;
            overflow: hidden;
        }

        .helper-summary::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), transparent);
        }

        .helper-summary h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
        }

        .helper-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            font-size: 15px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(130, 190, 255, 0.07);
        }

        .helper-item:last-child {
            border-bottom: none;
        }

        .helper-item svg {
            flex-shrink: 0;
            color: var(--primary);
        }

        .helper-visual {
            border-radius: var(--radius-large);
            overflow: hidden;
            position: relative;
            margin-top: 18px;
            border: 1px solid rgba(130, 190, 255, 0.12);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }

        .helper-visual img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        .helper-visual::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 60%;
            background: linear-gradient(180deg, transparent, rgba(4, 8, 15, 0.75));
        }

        .helper-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 2;
            padding: 14px 18px;
            font-size: 13px;
            color: rgba(243, 248, 255, 0.85);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .helper-caption span {
            font-size: 13px;
            color: rgba(243, 248, 255, 0.65);
        }

        /* ===== FAQ区域 ===== */
        .faq-section {
            padding-top: 20px;
            padding-bottom: 90px;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 30px;
            align-items: start;
        }

        .faq-main {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .faq-group-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .faq-group-title .group-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            box-shadow: 0 0 10px rgba(74, 233, 255, 0.7);
        }

        .faq-panel {
            background: rgba(8, 17, 31, 0.6);
            border: 1px solid rgba(130, 190, 255, 0.12);
            border-radius: 20px;
            overflow: hidden;
        }

        .faq-item {
            border-bottom: 1px solid rgba(130, 190, 255, 0.07);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 24px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            transition: background .2s;
            font-family: inherit;
        }

        .faq-question:hover {
            background: rgba(74, 233, 255, 0.04);
        }

        .faq-question .faq-icon {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(74, 233, 255, 0.09);
            border: 1px solid rgba(74, 233, 255, 0.18);
            transition: transform .3s ease, background .3s ease, border-color .3s;
            color: var(--primary);
        }

        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            background: rgba(74, 233, 255, 0.16);
            border-color: rgba(74, 233, 255, 0.4);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s cubic-bezier(0.33, 1, 0.68, 1), opacity .3s;
            opacity: 0;
            padding-left: 24px;
            padding-right: 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 800px;
            opacity: 1;
            padding-bottom: 22px;
        }

        .faq-answer p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
            border-left: 2px solid rgba(74, 233, 255, 0.35);
            padding-left: 14px;
        }

        /* ===== 右侧快捷辅助 ===== */
        .help-sidebar {
            position: sticky;
            top: 110px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .side-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(130, 190, 255, 0.12);
            border-radius: 20px;
            padding: 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .side-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .side-card-title svg {
            color: var(--primary);
        }

        .quick-search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(130, 190, 255, 0.13);
            border-radius: 12px;
            padding: 0 14px;
            height: 44px;
            transition: border-color .2s, box-shadow .2s;
        }

        .quick-search-box:focus-within {
            border-color: rgba(74, 233, 255, 0.55);
            box-shadow: 0 0 14px rgba(74, 233, 255, 0.1);
        }

        .quick-search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
        }

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

        .side-links {
            display: flex;
            flex-direction: column;
            margin-top: 14px;
        }

        .side-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 4px;
            color: var(--text-secondary);
            font-size: 14px;
            border-bottom: 1px solid rgba(130, 190, 255, 0.07);
            transition: color .2s, padding-left .2s;
        }

        .side-link:hover {
            color: var(--primary);
            padding-left: 8px;
        }

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

        .side-note {
            background: rgba(246, 184, 76, 0.05);
            border: 1px solid rgba(246, 184, 76, 0.16);
            border-radius: 16px;
            padding: 16px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .side-note strong {
            color: var(--gold);
            font-weight: 600;
        }

        /* ===== CTA区域 ===== */
        .contact-cta {
            border-top: 1px solid rgba(130, 190, 255, 0.1);
        }

        .cta-box {
            border-radius: var(--radius-large);
            padding: 52px 44px;
            background: linear-gradient(135deg, rgba(74, 233, 255, 0.08), rgba(46, 128, 255, 0.04)), rgba(8, 17, 31, 0.6);
            border: 1px solid rgba(74, 233, 255, 0.18);
            display: flex;
            align-items: center;
            gap: 36px;
            justify-content: space-between;
            flex-wrap: wrap;
            box-shadow: 0 0 40px rgba(74, 233, 255, 0.05);
        }

        .cta-box h2 {
            font-size: clamp(1.7rem, 3vw, 2.6rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 10px;
        }

        .cta-box p {
            color: var(--text-secondary);
            line-height: 1.75;
            max-width: 560px;
        }

        .contact-phone {
            display: flex;
            align-items: center;
            gap: 14px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 14px;
            border: 1px solid rgba(130, 190, 255, 0.12);
            padding: 12px 18px;
        }

        .contact-phone svg {
            color: var(--primary);
        }

        .contact-phone .phone-label {
            font-size: 12px;
            color: var(--text-muted);
        }

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

            .help-sidebar {
                position: static;
                margin-top: 20px;
            }

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

        /* ===== 底部 ===== */
        .site-footer {
            margin-top: 20px;
            border-top: 1px solid rgba(130, 190, 255, 0.1);
            background: rgba(4, 8, 15, 0.75);
            padding-top: 48px;
            padding-bottom: 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 34px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .footer-description {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: rgba(243, 248, 255, 0.9);
            margin-bottom: 14px;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(74, 233, 255, 0.18);
            display: inline-block;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-muted);
            font-size: 14px;
            transition: color .2s, padding-left .2s;
            line-height: 1.7;
        }

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

        .trust-chip {
            display: inline-block;
            background: rgba(74, 233, 255, 0.08);
            border: 1px solid rgba(74, 233, 255, 0.2);
            color: var(--text-secondary);
            border-radius: 999px;
            padding: 4px 12px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: .3px;
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(130, 190, 255, 0.08);
            color: var(--text-muted);
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            gap: 10px;
            flex-wrap: wrap;
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1.4fr 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        .mt-16 {
            margin-top: 16px;
        }

        .mt-24 {
            margin-top: 24px;
        }