/* roulang page: index */
:root {
    --bg-deep: #050D1A;
    --bg-page: #081424;
    --bg-section: #0C1B30;
    --panel-solid: #0F223A;
    --glass: rgba(255, 255, 255, 0.045);
    --glass-float: rgba(255, 255, 255, 0.07);
    --stroke: rgba(184, 219, 255, 0.14);
    --stroke-light: rgba(49, 215, 255, 0.35);
    --blue: #0E7BFF;
    --cyan: #31D7FF;
    --grad: linear-gradient(135deg, #31D7FF, #0E7BFF);
    --gold: #C8A96A;
    --gold-soft: rgba(200, 169, 106, 0.45);
    --text: #EAF1F9;
    --text-sub: #A5B8CD;
    --text-dim: #6F849C;
    --ok: #28E0A4;
    --warn: #FFB64C;
    --radius-card: 16px;
    --radius-btn: 8px;
    --shadow-card: 0 10px 40px -20px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 0 1px rgba(49, 215, 255, 0.25), 0 8px 40px -8px rgba(14, 123, 255, 0.6);
    --space-xl: 96px;
    --space-lg: 72px;
    --space-md: 48px;
    --ease: 0.28s ease-out;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    background: var(--bg-deep);
    color: var(--text);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; }
::selection { background: rgba(49, 215, 255, 0.25); color: #fff; }
.container-xl { max-width: 1280px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.grid-container { max-width: 1280px; }
.section-block { padding: 96px 0; }
.section-block.alt { background: rgba(255, 255, 255, 0.018); }

/* 顶部导航 */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 60;
    background: rgba(5, 13, 26, 0.62);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(184, 219, 255, 0.10);
    transition: background .35s ease, box-shadow .35s ease;
}
.site-header.scrolled { background: rgba(4, 10, 20, 0.88); box-shadow: 0 8px 30px rgba(0, 0, 0, 0.28); }
.nav-shell {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
    position: relative;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-mark {
    width: 42px; height: 42px;
    border: 1px solid var(--gold-soft);
    background: linear-gradient(135deg, rgba(200, 169, 106, 0.22), rgba(14, 123, 255, 0.08));
    color: var(--gold);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 10px;
}
.brand-text { font-size: 19px; font-weight: 700; letter-spacing: 1px; white-space: nowrap; }
.nav-links { display: flex; align-items: center; gap: 22px; margin: 0; padding: 0; list-style: none; }
.nav-links li { margin: 0; }
.nav-links a {
    color: var(--text-sub);
    font-size: 15px;
    padding: 8px 2px;
    position: relative;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--text); border-color: var(--gold); }
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-search {
    width: 36px; height: 36px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--stroke);
    color: var(--text-sub);
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
    cursor: pointer;
}
.nav-search:hover { color: var(--cyan); border-color: rgba(49, 215, 255, 0.4); }
.nav-login {
    height: 38px; padding: 0 18px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--stroke);
    border-radius: 8px;
    background: rgba(255,255,255,0.06);
    color: var(--text-sub);
    font-size: 14px;
    cursor: pointer;
}
.nav-login:hover { color: var(--cyan); background: rgba(49,215,255,0.08); border-color: rgba(49,215,255,0.35); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 10px 28px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 700; line-height: 1.2; cursor: pointer; transition: transform .25s ease, box-shadow .25s ease, background .25s ease, color .25s ease; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: var(--shadow-glow); }
.btn-primary:hover { transform: translateY(-2px); color: #fff; box-shadow: 0 0 0 1px rgba(49,215,255,0.5), 0 15px 46px -8px rgba(14,123,255,0.8); }
.btn-primary .fa-arrow-right { font-size: 13px; }
.btn-ghost { background: rgba(255,255,255,0.05); border: 1px solid var(--stroke); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.10); color: var(--cyan); border-color: rgba(49,215,255,0.3); }
.burger { display: none; width: 42px; height: 42px; border-radius: 8px; border: 1px solid var(--stroke); align-items: center; justify-content: center; color: var(--text); font-size: 18px; background: rgba(255,255,255,0.04); }

/* mobile drawer */
.mobile-drawer {
    position: fixed;
    top: 0; right: 0; bottom: 0; left: 0;
    z-index: 80;
    display: flex;
    flex-direction: column;
    background: rgba(5, 13, 26, 0.97);
    backdrop-filter: blur(20px);
    padding: 30px 28px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-16px);
    transition: all .3s ease;
}
.mobile-drawer.open { opacity: 1; visibility: visible; transform: none; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; }
.drawer-close { width: 38px; height: 38px; border: 1px solid var(--stroke); border-radius: 8px; color: var(--text); display: flex; align-items: center; justify-content: center; }
.mobile-drawer .drawer-nav { display: flex; flex-direction: column; gap: 16px; }
.mobile-drawer .drawer-nav a { color: var(--text); font-size: 20px; padding: 14px 0; border-bottom: 1px solid rgba(184,219,255,0.12); font-weight: 500; }
.drawer-cta { margin-top: auto; }
.btn-block { display: flex; width: 100%; }
.mobile-drawer .drawer-cta .btn { min-height: 52px; }

/* Hero */
.hero {
    position: relative;
    min-height: 700px;
    padding: 170px 0 110px;
    background: linear-gradient(110deg, rgba(3, 10, 20, 0.92) 0%, rgba(5, 16, 29, 0.72) 48%, rgba(8, 23, 43, 0.62) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 78% 34%, rgba(14,123,255,0.16), transparent 55%), radial-gradient(ellipse at 12% 88%, rgba(200,169,106,0.06), transparent 38%);
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(200,169,106,0.06); border: 1px solid var(--gold-soft); color: var(--gold); font-size: 13px; letter-spacing: 2px; padding: 6px 16px; border-radius: 999px; margin-bottom: 26px; font-weight: 600; }
.hero-title {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.32;
    letter-spacing: 1px;
    color: var(--text);
    margin-bottom: 20px;
    max-width: 780px;
}
.hero-title span { color: var(--cyan); }
.hero-desc {
    font-size: 16px;
    color: var(--text-sub);
    line-height: 1.9;
    max-width: 640px;
    margin-bottom: 34px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 18px; margin-bottom: 42px; }
.hero-trust { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; }
.trust-item { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-sub); }
.trust-item i { color: var(--gold); font-size: 12px; }
.hero-panel {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(184,219,255,0.16);
    backdrop-filter: blur(12px);
    border-radius: 20px;
    padding: 22px;
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
}
.hero-panel img { border-radius: 14px; width: 100%; height: 300px; object-fit: cover; }
.hero-panel-badge {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: 20px;
}
.panel-sub { color: var(--text-sub); font-size: 14px; }
.hero-quick-list { list-style: none; margin: 18px 0 0; padding: 0; }
.hero-quick-list li { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-top: 1px solid rgba(184,219,255,0.10); color: var(--text-sub); font-size: 14px; }
.hero-quick-list li i { color: var(--cyan); width: 16px; font-size: 13px; }
.hero-text-link { display: block; margin-top: 22px; color: var(--cyan); font-size: 14px; font-weight: 600; }

/* quick nav strip */
.quick-strip { margin-top: -26px; position: relative; z-index: 5; }
.quick-grid { border-radius: 18px; background: rgba(255,255,255,0.045); border: 1px solid rgba(184,219,255,0.12); backdrop-filter: blur(8px); }
.quick-cell { text-align: center; padding: 24px 14px; color: var(--text-sub); transition: .25s ease; border-radius: 14px; }
.quick-cell:hover { color: var(--text); background: rgba(49,215,255,0.04); }
.quick-icon { width: 48px; height: 48px; margin: 0 auto 12px; border-radius: 12px; background: rgba(14,123,255,0.12); border: 1px solid rgba(49,215,255,0.18); color: var(--cyan); display: flex; align-items: center; justify-content: center; font-size: 18px; transition: all .25s ease; }
.quick-cell:hover .quick-icon { box-shadow: 0 0 18px rgba(49,215,255,0.25); border-color: var(--gold-soft); color: var(--gold); }
.quick-cell strong { display: block; font-size: 15px; margin-bottom: 4px; color: var(--text); }
.quick-cell span { font-size: 13px; color: var(--text-dim); }

/* Section head */
.sec-head { margin-bottom: 40px; }
.sec-kicker { color: var(--gold); font-size: 13px; letter-spacing: 2px; text-transform: none; font-weight: 600; display: inline-flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.sec-kicker::after { content: ""; width: 34px; height: 1px; background: var(--gold-soft); display: inline-block; }
.sec-title { font-size: 28px; font-weight: 700; line-height: 1.4; color: var(--text); margin-bottom: 8px; }
.sec-sub { color: var(--text-sub); max-width: 720px; }
.sec-head-row { display: flex; align-items: end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }

/* bento / feature */
.bento-wrap { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: 20px; }
.bento-card {
    position: relative;
    border-radius: var(--radius-card);
    background: var(--glass);
    border: 1px solid var(--stroke);
    box-shadow: var(--shadow-card);
    padding: 30px;
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease, transform .3s ease;
}
.bento-card:hover { border-color: var(--stroke-light); box-shadow: 0 14px 44px -18px rgba(0,0,0,0.6); transform: translateY(-2px); }
.bento-card.large { min-height: 320px; display: flex; flex-direction: column; justify-content: flex-end; }
.bento-card.large::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,13,26,0.98) 10%, rgba(8,24,47,0.5) 60%, rgba(8,24,47,0.06)); z-index: 0; }
.bento-card.large .bento-content { position: relative; z-index: 2; }
.bento-card.large .art-layer { position: absolute; inset: 0; z-index: -1; }
.bento-card.large .art-layer img { width: 100%; height: 100%; object-fit: cover; }
.bento-no { font-size: 42px; font-weight: 800; color: transparent; -webkit-text-stroke: 1px var(--gold); line-height: 1; margin-bottom: 14px; }
.bento-title { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.bento-text { color: var(--text-sub); line-height: 1.8; font-size: 14px; }
.bento-link { display: inline-block; margin-top: 18px; color: var(--cyan); font-size: 14px; font-weight: 600; border-bottom: 1px solid rgba(49,215,255,0.2); }
.bento-link:hover { border-color: var(--cyan); color: var(--cyan); }
.stack-cards { display: flex; flex-direction: column; gap: 20px; }

/* news */
.news-item {
    background: var(--glass);
    border: 1px solid var(--stroke);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all .3s ease;
}
.news-item:hover { border-color: var(--stroke-light); transform: translateY(-2px); box-shadow: 0 20px 50px -20px rgba(0,0,0,0.6); }
.news-feature { padding: 0; display: flex; flex-direction: column; height: 100%; }
.news-feature .news-cover { overflow: hidden; position: relative; }
.news-feature .news-cover img { width: 100%; height: 260px; object-fit: cover; transition: transform .5s ease; }
.news-feature:hover .news-cover img { transform: scale(1.03); }
.news-feature .news-main { padding: 24px; flex: 1; }
.news-feature .news-main h3 { font-size: 22px; font-weight: 700; line-height: 1.5; margin: 12px 0 10px; }
.news-feature .news-main h3 a { color: var(--text); }
.news-feature .news-main h3 a:hover { color: var(--cyan); }
.news-feature .news-main p { color: var(--text-sub); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    border: 1px solid rgba(49, 215, 255, 0.3);
    color: var(--cyan);
    border-radius: 999px;
    background: rgba(49, 215, 255, 0.06);
    line-height: 1.4;
}
.tag-gold { border-color: var(--gold-soft); color: var(--gold); background: rgba(200,169,106,0.07); }
.news-meta { display: flex; flex-wrap: wrap; gap: 14px; color: var(--text-dim); font-size: 13px; margin-top: 16px; }
.news-side-list { display: flex; flex-direction: column; gap: 14px; }
.news-side-card { display: flex; gap: 14px; background: rgba(255,255,255,0.035); border: 1px solid rgba(184,219,255,0.1); border-radius: 14px; padding: 12px; transition: all .25s ease; }
.news-side-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(49,215,255,0.28); }
.news-side-thumb { width: 128px; height: 92px; flex-shrink: 0; border-radius: 10px; overflow: hidden; }
.news-side-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-side-info { flex: 1; display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.news-side-info h4 { font-size: 15px; font-weight: 600; line-height: 1.55; margin-bottom: 6px; color: var(--text); }
.news-side-info h4 a:hover { color: var(--cyan); }
.news-side-info .news-meta { margin-top: 2px; }
.news-side-info .news-meta span { white-space: nowrap; }
.news-meta i { margin-right: 4px; }
.news-empty {
    border: 1px dashed rgba(184,219,255,0.25);
    border-radius: 18px;
    padding: 60px 30px;
    text-align: center;
    background: rgba(255,255,255,0.025);
    color: var(--text-sub);
}
.news-empty .fa-newspaper { font-size: 34px; color: var(--text-dim); margin-bottom: 12px; }

/* scenario alternating */
.scene-item { padding: 30px 0; border-top: 1px solid rgba(184,219,255,0.08); }
.scene-item:first-child { border-top: none; }
.scene-img {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--stroke);
    background: rgba(255,255,255,0.03);
    aspect-ratio: 16/10;
}
.scene-img img { width: 100%; height: 100%; object-fit: cover; }
.scene-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 40%, rgba(5,13,26,0.32)); pointer-events: none; }
.scene-badge {
    position: absolute;
    left: 16px; bottom: 16px;
    background: rgba(5, 13, 26, 0.68);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(49, 215, 255, 0.25);
    color: var(--text);
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    z-index: 2;
}
.scene-list { list-style: none; margin-top: 20px; padding: 0; }
.scene-list li { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; color: var(--text-sub); font-size: 14px; line-height: 1.65; }
.scene-list i { color: var(--cyan); margin-top: 5px; }
.scene-cta { margin-top: 22px; }

/* credibility */
.trust-rank { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 30px; }
.trust-num { font-family: "Barlow Condensed", "DIN Alternate", sans-serif; font-size: 52px; font-weight: 800; color: var(--gold); line-height: 1; }
.trust-label { color: var(--text-sub); font-size: 14px; margin-top: 8px; }
.quote-wrap {
    background: rgba(255,255,255,0.035);
    border: 1px solid var(--stroke);
    border-left: 3px solid var(--gold);
    border-radius: 12px;
    padding: 26px 30px;
    margin-top: 28px;
}
.quote-wrap p { font-size: 17px; color: var(--text); line-height: 1.9; }
.quote-wrap .quote-source { color: var(--text-dim); font-size: 13px; margin-top: 8px; }

/* faq */
.faq-list { max-width: 940px; }
.faq-item {
    border: 1px solid var(--stroke);
    background: rgba(255,255,255,0.035);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .25s ease;
}
.faq-item.active { border-color: var(--stroke-light); }
.faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    background: transparent;
}
.faq-q .fa-plus { color: var(--gold); transition: transform .3s ease; }
.faq-a { display: none; padding: 0 24px 22px; color: var(--text-sub); font-size: 14px; }
.faq-a p { max-width: 840px; }

/* CTA */
.cta-panel {
    position: relative;
    border-radius: 24px;
    padding: 72px 96px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(5, 13, 26, 0.9), rgba(8, 27, 47, 0.74)), url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
    border: 1px solid rgba(200, 169, 106, 0.22);
}
.cta-panel::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(200,169,106,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(200,169,106,0.05) 1px, transparent 1px); background-size: 40px 40px; mask-image: radial-gradient(ellipse at center, #000 30%, transparent 75%); }
.cta-panel h2 { font-size: 30px; font-weight: 700; position: relative; z-index: 2; }
.cta-panel p { color: var(--text-sub); max-width: 560px; margin: 12px auto 30px; position: relative; z-index: 2; }
.cta-btns { position: relative; z-index: 2; display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-note { margin-top: 24px; color: var(--text-dim); font-size: 13px; position: relative; z-index: 2; }

/* footer */
.site-footer { background: #040A16; border-top: 1px solid rgba(184,219,255,0.08); }
.footer-top { padding: 72px 0 30px; }
.footer-brand { display: flex; flex-direction: column; gap: 16px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; max-width: 360px; margin-top: 12px; }
.footer-title { color: var(--text); font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li + li { margin-top: 12px; }
.footer-links a { color: var(--text-sub); font-size: 14px; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid rgba(184,219,255,0.07); padding: 24px 0; color: var(--text-dim); font-size: 13px; }
.footer-bottom .grid-x { align-items: center; }

/* floating && mobile CTA */
.scroll-cta {
    position: fixed;
    right: 28px; bottom: 36px;
    z-index: 50;
    display: none;
    padding: 12px 22px;
    border-radius: 999px;
    background: var(--grad);
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
    align-items: center;
    gap: 8px;
    opacity: 0;
    transform: translateY(16px);
    pointer-events: none;
    transition: opacity .3s ease, transform .3s ease;
}
.scroll-cta.show { opacity: 1; transform: none; pointer-events: auto; }
.mobile-bottom-cta {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 45;
    display: none;
    align-items: center;
    justify-content: space-between;
    background: rgba(5, 13, 26, 0.92);
    backdrop-filter: blur(12px);
    border-top: 1px solid rgba(200, 169, 106, 0.35);
    padding: 8px 16px;
    gap: 12px;
}
.mobile-bottom-cta .btn { min-height: 42px; padding: 0 18px; }
.mobile-bottom-cta span { color: var(--text-sub); font-size: 13px; }

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

/* responsive */
@media (max-width: 1024px) {
    .nav-links, .nav-login, .nav-search { display: none; }
    .burger { display: inline-flex; }
    .mobile-drawer { visibility: hidden; }
    .mobile-drawer.open { visibility: visible; }
    .section-block { padding: 72px 0; }
    .bento-wrap { grid-template-columns: 1fr; }
    .trust-rank { grid-template-columns: 1fr 1fr; }
    .bento-card.large { min-height: 260px; }
}
@media (max-width: 640px) {
    .hero { padding: 130px 0 80px; min-height: 0; }
    .hero-title { font-size: 30px; }
    .hero-desc { font-size: 15px; }
    .sec-head-row { align-items: flex-start; }
    .sec-title { font-size: 22px; }
    .btn { width: 100%; }
    .hero-btns .btn { margin-bottom: 4px; }
    .hero-panel img { height: 210px; }
    .trust-rank { grid-template-columns: 1fr; }
    .cta-panel { padding: 44px 24px; }
    .cta-panel h2 { font-size: 23px; }
    body { padding-bottom: 62px; }
    .mobile-bottom-cta { display: flex; }
    .scroll-cta { display: none !important; }
    .section-block { padding: 64px 0; }
    .quick-cell { padding: 18px 8px; }
    .news-feature .news-main { padding: 18px; }
    .news-side-card { flex-direction: column; }
    .news-side-thumb { width: 100%; height: 150px; }
}

/* roulang page: category1 */
:root {
            --bg-deep: #050D1A;
            --bg-page: #081424;
            --bg-section: #0C1B30;
            --glass: rgba(255, 255, 255, 0.045);
            --glass-high: rgba(255, 255, 255, 0.07);
            --stroke: rgba(184, 219, 255, 0.14);
            --blue: #0E7BFF;
            --cyan: #31D7FF;
            --gold: #C8A96A;
            --gold-line: rgba(200, 169, 106, 0.45);
            --success: #28E0A4;
            --text-main: #EAF1F9;
            --text-sub: #A5B8CD;
            --text-dim: #6F849C;
            --radius: 16px;
            --radius-sm: 8px;
            --glow: 0 0 0 1px rgba(49, 215, 255, 0.22), 0 8px 40px -8px rgba(14, 123, 255, 0.55);
            --card-shadow: 0 12px 44px -20px rgba(0, 0, 0, 0.55);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg-page);
            color: var(--text-main);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            line-height: 1.75;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease;
        }

        a:hover {
            color: var(--cyan);
        }

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

        button,
        input {
            font: inherit;
            border: 0;
        }

        button {
            cursor: pointer;
            background: transparent;
        }

        .container-xl {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: 96px 0;
            position: relative;
        }

        .section-alt {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.012), rgba(12, 27, 48, 0.4));
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            letter-spacing: .18em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

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

        .section-title {
            font-size: 28px;
            line-height: 1.45;
            margin: 0 0 16px;
            font-weight: 700;
            letter-spacing: .02em;
        }

        .section-note {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 720px;
        }

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

        .section-head.center {
            text-align: center;
        }

        .section-head.center .section-label::after {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--gold-line);
        }

        .section-head.center .section-note {
            margin-left: auto;
            margin-right: auto;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: #fff;
            line-height: 1.4;
        }

        h3 {
            font-size: 18px;
            font-weight: 700;
        }

        .btn-primary,
        .btn-ghost {
            -webkit-appearance: none;
            appearance: none;
            min-height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 13px 30px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all .3s ease;
            line-height: 1.2;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--cyan), var(--blue));
            color: #fff;
            box-shadow: var(--glow);
            font-weight: 700;
            border: 0;
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 0 1px rgba(49, 215, 255, 0.4), 0 12px 46px -8px rgba(14, 123, 255, 0.8);
            filter: brightness(1.06);
        }

        .btn-ghost {
            border-color: var(--stroke);
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: rgba(49, 215, 255, .45);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--cyan);
            font-weight: 500;
            font-size: 14px;
            border-bottom: 1px solid transparent;
            transition: border-color .25s;
        }

        .text-link:hover {
            border-bottom-color: var(--cyan);
            color: #fff;
        }

        /* ---------- 顶部导航 ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 150;
            min-height: 76px;
            background: rgba(5, 13, 26, 0.65);
            border-bottom: 1px solid rgba(184, 219, 255, 0.08);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            transition: background .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(5, 13, 26, 0.88);
            border-bottom-color: rgba(184, 219, 255, 0.14);
        }

        .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-shrink: 0;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            border: 1px solid var(--gold-line);
            background: linear-gradient(160deg, rgba(200, 169, 106, 0.18), rgba(200, 169, 106, 0.03));
            color: #F1DDB0;
            font-weight: 700;
            font-size: 15px;
            letter-spacing: .03em;
            box-shadow: 0 0 18px rgba(200, 169, 106, 0.1);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .main-nav .nav-links {
            display: flex;
            gap: 2px;
        }

        .main-nav .nav-links a {
            position: relative;
            padding: 10px 15px;
            color: var(--text-sub);
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
        }

        .main-nav .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .045);
        }

        .main-nav .nav-links a.active {
            color: #fff;
        }

        .main-nav .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: -1px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--gold), transparent);
        }

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

        .btn-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-sub);
            border-radius: 8px;
            transition: all .25s;
        }

        .btn-icon:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }

        .header-actions .btn-ghost {
            min-height: 42px;
            padding: 0 20px;
            font-size: 14px;
            border-color: var(--stroke);
        }

        .header-actions .btn-primary {
            min-height: 42px;
            padding: 0 24px;
            font-size: 14px;
            font-weight: 700;
        }

        .search-wrap {
            position: relative;
        }

        .search-panel {
            position: absolute;
            right: 0;
            top: calc(100% + 16px);
            width: 320px;
            padding: 16px;
            background: rgba(8, 20, 36, 0.96);
            border: 1px solid var(--stroke);
            border-radius: 14px;
            box-shadow: var(--glow);
            opacity: 0;
            pointer-events: none;
            transform: translateY(-8px);
            transition: all .25s;
            backdrop-filter: blur(14px);
        }

        .search-panel.open {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .search-row {
            display: flex;
            gap: 8px;
        }

        .search-row input {
            flex: 1;
            min-height: 42px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid var(--stroke);
            border-radius: 8px;
            padding: 0 14px;
            color: #fff;
            font-size: 14px;
            outline: none;
        }

        .search-row input::placeholder {
            color: var(--text-dim);
        }

        .search-row input:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 0 2px rgba(49, 215, 255, .2);
        }

        .search-row button {
            width: 44px;
            height: 42px;
            background: linear-gradient(135deg, var(--cyan), var(--blue));
            color: #fff;
            border-radius: 8px;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            padding: 10px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
        }

        .hamburger span {
            display: block;
            height: 2px;
            background: #fff;
            border-radius: 2px;
        }

        .mobile-menu {
            position: fixed;
            inset: 0;
            z-index: 200;
            background: rgba(5, 13, 26, 0.97);
            backdrop-filter: blur(22px);
            padding: 28px 24px 32px;
            display: flex;
            flex-direction: column;
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            transition: all .3s ease;
        }

        .mobile-menu.open {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .mobile-menu-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .mobile-close {
            width: 44px;
            height: 44px;
            color: var(--text-sub);
            font-size: 22px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-close:hover {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .mobile-nav-link {
            display: block;
            padding: 17px 4px;
            border-bottom: 1px solid rgba(184, 219, 255, .1);
            color: var(--text-sub);
            font-size: 18px;
            font-weight: 600;
        }

        .mobile-nav-link.active {
            color: #fff;
            border-left: 3px solid var(--gold);
            padding-left: 12px;
            background: linear-gradient(90deg, rgba(200, 169, 106, .08), transparent);
        }

        .mobile-menu-cta {
            margin-top: auto;
            padding-top: 32px;
            display: grid;
            gap: 12px;
        }

        body.menu-active {
            overflow: hidden;
        }

        /* ---------- 分类页公共 ---------- */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 70px 0 60px;
            overflow: hidden;
            background: var(--bg-deep);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center 20%;
            transform: scale(1.02);
        }

        .hero-mask {
            position: absolute;
            inset: 0;
            background: linear-gradient(78deg, rgba(5, 13, 26, .96) 0%, rgba(5, 13, 26, .82) 42%, rgba(5, 13, 26, .48) 100%);
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-sub);
            margin-bottom: 20px;
        }

        .hero-breadcrumb a {
            color: var(--text-sub);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb span {
            color: var(--gold);
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 14px;
            border: 1px solid var(--gold-line);
            border-radius: 40px;
            color: var(--gold);
            font-size: 12px;
            letter-spacing: .16em;
            background: rgba(200, 169, 106, .05);
            margin-bottom: 18px;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .03em;
        }

        .hero-sub {
            max-width: 680px;
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 28px;
        }

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

        .hero-category-line {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 32px;
            font-size: 13px;
            color: var(--text-dim);
        }

        .hero-category-line span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-category-line span::before {
            content: "";
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--gold);
        }

        /* ---------- 资讯/服务卡片区 ---------- */
        .intro-media {
            position: relative;
        }

        .media-frame {
            position: relative;
            padding: 10px;
            border: 1px solid var(--stroke);
            border-radius: 22px;
            background: linear-gradient(135deg, rgba(49, 215, 255, .08), rgba(14, 123, 255, .02));
            box-shadow: var(--card-shadow);
        }

        .media-frame::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: 22px;
            pointer-events: none;
            background: linear-gradient(140deg, rgba(255, 255, 255, .06), transparent 40%);
        }

        .media-frame img {
            width: 100%;
            object-fit: cover;
            border-radius: 16px;
            aspect-ratio: 4/3;
        }

        .media-float {
            position: absolute;
            right: 20px;
            bottom: 24px;
            background: rgba(8, 20, 36, .82);
            border: 1px solid var(--gold-line);
            color: #fff;
            font-size: 13px;
            padding: 10px 16px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            z-index: 2;
        }

        .media-float i {
            color: var(--gold);
        }

        .tick-list {
            margin-top: 24px;
        }

        .tick-list li {
            position: relative;
            padding-left: 30px;
            color: var(--text-main);
            margin-bottom: 14px;
            font-size: 15px;
        }

        .tick-list li::before {
            content: "\f00c";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            width: 20px;
            height: 20px;
            color: var(--cyan);
            border: 1px solid rgba(49, 215, 255, .35);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
        }

        .leading-text {
            font-size: 16px;
            color: var(--text-sub);
            line-height: 1.9;
        }

        .leading-strong {
            color: #fff;
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .intro-divider {
            width: 1px;
            height: auto;
            align-self: stretch;
            background: linear-gradient(180deg, transparent, var(--gold-line), transparent);
        }

        /* bento 卡片 */
        .direction-card {
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            min-height: 250px;
            padding: 34px;
            border: 1px solid var(--stroke);
            border-radius: 20px;
            background: var(--glass);
            backdrop-filter: blur(8px);
            box-shadow: var(--card-shadow);
            overflow: hidden;
            transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
        }

        .direction-card:hover {
            transform: translateY(-4px);
            border-color: rgba(49, 215, 255, .35);
            box-shadow: 0 0 0 1px rgba(49, 215, 255, .18), 0 16px 46px -14px rgba(2, 8, 20, .8);
        }

        .direction-card .card-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: auto;
        }

        .direction-card .card-num {
            font-size: 34px;
            line-height: 1;
            font-weight: 600;
            color: transparent;
            -webkit-text-stroke: 1px var(--gold);
            letter-spacing: .04em;
            opacity: .9;
        }

        .direction-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            color: var(--cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            border: 1px solid rgba(49, 215, 255, .25);
            background: rgba(49, 215, 255, .08);
        }

        .direction-card h3 {
            margin: 4px 0 10px;
            font-size: 20px;
            color: #fff;
        }

        .direction-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .direction-card .tagline {
            display: inline-flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .direction-card .tagline span {
            font-size: 12px;
            padding: 5px 11px;
            background: rgba(255, 255, 255, .07);
            border: 1px solid var(--stroke);
            border-radius: 40px;
            color: var(--text-sub);
        }

        .direction-card.large-card {
            min-height: 300px;
            background:
                linear-gradient(200deg, rgba(49, 215, 255, 0.06), rgba(14, 123, 255, 0.15) 60%, var(--glass));
        }

        .direction-card.gold-edge::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--gold), transparent);
            opacity: .5;
        }

        /* 数据条 */
        .stat-band {
            background: radial-gradient(ellipse at 20% 20%, rgba(14, 123, 255, 0.18), transparent 50%), var(--bg-deep);
            border-top: 1px solid rgba(184, 219, 255, .07);
            border-bottom: 1px solid rgba(184, 219, 255, .07);
            padding: 66px 0;
        }

        .stat-item {
            text-align: center;
            padding: 12px 16px;
            border-left: 1px solid rgba(200, 169, 106, .18);
        }

        .stat-item:first-child {
            border-left: 0;
        }

        .stat-num {
            font-size: 30px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: .02em;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .stat-num small {
            font-size: 14px;
            color: var(--text-sub);
            font-weight: 400;
            margin-left: 2px;
        }

        .stat-label {
            color: var(--text-sub);
            font-size: 13px;
            letter-spacing: .05em;
        }

        /* 流程步骤 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .flow-step {
            position: relative;
            padding: 28px 24px;
            background: var(--glass);
            border: 1px solid var(--stroke);
            border-radius: var(--radius);
            transition: all .3s ease;
        }

        .flow-step:hover {
            border-color: rgba(49, 215, 255, .3);
            background: rgba(255, 255, 255, .06);
            transform: translateY(-3px);
        }

        .flow-step .step-no {
            font-size: 28px;
            font-weight: 600;
            color: transparent;
            -webkit-text-stroke: 1px var(--gold);
            margin-bottom: 16px;
            line-height: 1;
        }

        .flow-step h3 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 8px;
        }

        .flow-step p {
            color: var(--text-sub);
            font-size: 13px;
            margin-bottom: 0;
        }

        .flow-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gold);
            font-size: 14px;
            z-index: 3;
        }

        .flow-step:last-child .flow-arrow {
            display: none;
        }

        /* 图文交错 */
        .scene-block {
            margin-top: 28px;
        }

        .scene-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--stroke);
            box-shadow: var(--card-shadow);
        }

        .scene-media img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .scene-media-caption {
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 16px;
            padding: 12px 16px;
            border-radius: 12px;
            background: rgba(5, 13, 26, .6);
            border: 1px solid rgba(255, 255, 255, .12);
            backdrop-filter: blur(12px);
            font-size: 12px;
            color: #fff;
        }

        .scene-list li {
            position: relative;
            padding: 12px 0 12px 26px;
            color: var(--text-sub);
            border-bottom: 1px solid rgba(255, 255, 255, .05);
            font-size: 15px;
        }

        .scene-list li::before {
            content: "";
            position: absolute;
            left: 4px;
            top: 23px;
            width: 8px;
            height: 8px;
            background: var(--cyan);
            border-radius: 2px;
            transform: rotate(45deg);
        }

        .scene-list li strong {
            color: #fff;
            font-weight: 600;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, .045);
            border: 1px solid var(--stroke);
            transition: border-color .25s;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(200, 169, 106, .45);
        }

        .faq-question {
            width: 100%;
            display: flex;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            color: var(--text-main);
            background: transparent;
            padding: 20px 22px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            min-height: 60px;
            border: 0;
            transition: color .2s;
        }

        .faq-question:hover {
            color: #fff;
        }

        .faq-icon {
            position: relative;
            width: 26px;
            height: 26px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(49, 215, 255, .1);
            border: 1px solid rgba(49, 215, 255, .25);
            transition: all .3s;
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            background: var(--cyan);
            border-radius: 2px;
            transition: all .3s ease;
        }

        .faq-icon::before {
            left: 6px;
            right: 6px;
            top: 12px;
            height: 1px;
        }

        .faq-icon::after {
            top: 6px;
            bottom: 6px;
            left: 12px;
            width: 1px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            border-color: rgba(200, 169, 106, .4);
            background: rgba(200, 169, 106, .1);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .faq-answer-inner {
            padding: 0 22px 22px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.9;
        }

        /* CTA */
        .cta-section {
            background: radial-gradient(ellipse at 50% 80%, rgba(14, 123, 255, .24), transparent 66%), var(--bg-deep);
            border-top: 1px solid rgba(200, 169, 106, .2);
            padding: 0;
        }

        .cta-box {
            padding: 84px 24px;
            text-align: center;
            position: relative;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 0;
            width: 120px;
            height: 1px;
            transform: translateX(-50%);
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
        }

        .cta-box h2 {
            font-size: 28px;
            margin-bottom: 14px;
        }

        .cta-box>p {
            color: var(--text-sub);
            max-width: 640px;
            margin: 0 auto 30px;
            font-size: 15px;
        }

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

        .cta-note {
            margin-top: 20px;
            color: var(--text-dim);
            font-size: 13px;
        }

        /* Footer */
        .site-footer {
            background: #03080F;
            border-top: 1px solid rgba(200, 169, 106, .1);
            padding-top: 70px;
        }

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

        .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            letter-spacing: .06em;
            margin-bottom: 22px;
            position: relative;
            padding-bottom: 12px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 20px;
            height: 1px;
            background: var(--gold);
        }

        .footer-links {
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-sub);
            font-size: 14px;
            display: inline-block;
            transition: all .25s;
        }

        .footer-links a:hover {
            color: var(--cyan);
            transform: translateX(3px);
        }

        .footer-bottom {
            margin-top: 60px;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 24px 0;
            font-size: 13px;
            color: var(--text-dim);
        }

        .footer-bottom .grid-x {
            align-items: center;
        }

        .brand + p {
            margin-top: 20px;
        }

        .site-footer .brand {
            margin-bottom: 4px;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1023.98px) {
            .main-nav,
            .search-wrap,
            .btn-login,
            .btn-nav-cta {
                display: none;
            }

            .hamburger {
                display: inline-flex;
            }

            .site-header .header-inner {
                min-height: 66px;
            }

            .site-header {
                min-height: 66px;
            }

            .page-hero {
                min-height: 370px;
                padding: 60px 0 50px;
            }

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

            .intro-media {
                margin-top: 32px;
            }

            .direction-card,
            .direction-card.large-card {
                min-height: 0;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .hero-sub {
                font-size: 15px;
            }

            .media-float {
                position: relative;
                right: auto;
                bottom: auto;
                margin-top: 12px;
                width: fit-content;
            }

            .flow-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .flow-arrow {
                display: none;
            }

            .stat-item {
                border-left: 0;
                border-bottom: 1px solid rgba(200, 169, 106, .12);
                padding: 18px 8px;
            }

            .stat-item:last-child {
                border-bottom: 0;
            }

            .stat-num {
                font-size: 26px;
            }

            .cta-box {
                padding: 60px 20px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

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

        @media (max-width: 519.98px) {
            .container-xl {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text {
                font-size: 18px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-eyebrow {
                font-size: 11px;
                letter-spacing: .08em;
            }

            .direction-card {
                padding: 26px 22px;
            }

            .hero-category-line {
                gap: 10px;
            }

            .footer-bottom .cell {
                text-align: left !important;
            }
        }

/* roulang page: article */
:root{
    --bg-deep:#050D1A;
    --bg-page:#081424;
    --bg-section:#0C1B30;
    --bg-card:#0F223A;
    --glass:rgba(255,255,255,.045);
    --glass-hover:rgba(255,255,255,.075);
    --glass-strong:rgba(255,255,255,.09);
    --border-glass:rgba(184,219,255,.14);
    --border-glass-strong:rgba(49,215,255,.35);
    --primary:#0E7BFF;
    --accent:#31D7FF;
    --gradient:linear-gradient(135deg,#31D7FF,#0E7BFF);
    --gold:#C8A96A;
    --gold-border:rgba(200,169,106,.45);
    --success:#28E0A4;
    --warning:#FFB64C;
    --text:#EAF1F9;
    --text-secondary:#A5B8CD;
    --text-weak:#6F849C;
    --radius-large:20px;
    --radius-card:16px;
    --radius-btn:8px;
    --shadow-card:0 10px 40px -20px rgba(0,0,0,.5);
    --shadow-primary:0 0 0 1px rgba(49,215,255,.22),0 8px 40px -8px rgba(14,123,255,.55);
    --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
    --header-height:76px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
    margin:0;
    background:var(--bg-page);
    color:var(--text);
    font-family:var(--font-family);
    font-size:16px;
    line-height:1.7;
    -webkit-font-smoothing:antialiased;
    padding-top:var(--header-height);
}
body.article-page{
    background:
        radial-gradient(circle at 10% -10%,rgba(14,123,255,.1),transparent 38%),
        radial-gradient(circle at 90% 12%,rgba(49,215,255,.05),transparent 36%),
        var(--bg-page);
}
body.no-scroll{overflow:hidden;}
a{color:var(--accent);text-decoration:none;transition:color .25s ease-out,border-color .25s ease-out;}
a:hover{color:var(--accent);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
img{max-width:100%;height:auto;}
p,h1,h2,h3,h4,h5,h6{margin-top:0;}
h1,h2,h3,h4,h5,h6{line-height:1.35;color:#fff;}
ul,ol{padding-left:1.35em;}
.skip-link{
    position:absolute;left:-999px;top:10px;z-index:9999;
    background:var(--primary);color:#fff;padding:10px 20px;border-radius:8px;
}
.skip-link:focus{left:10px;color:#fff;}

.container-xl{max-width:1280px;margin:0 auto;padding:0 24px;position:relative;}

.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
    padding:14px 28px;min-height:44px;border-radius:var(--radius-btn);
    border:1px solid transparent;cursor:pointer;text-decoration:none;
    transition:all .25s ease-out;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
    background:var(--gradient);border-color:rgba(49,215,255,.35);color:#fff;
    box-shadow:var(--shadow-primary);
}
.btn-primary:hover{
    color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(49,215,255,.4),0 14px 44px -8px rgba(14,123,255,.7);
}
.btn-outline{
    background:rgba(255,255,255,.05);border-color:var(--border-glass);color:var(--text);
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.btn-outline:hover{
    background:rgba(255,255,255,.1);border-color:var(--border-glass-strong);color:#fff;transform:translateY(-1px);
}
.btn-ghost{
    background:transparent;border-color:transparent;color:var(--text-secondary);
}
.btn-ghost:hover{background:rgba(255,255,255,.05);color:#fff;}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.btn-lg{padding:16px 36px;font-size:16px;}

.text-link{
    display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px;
    padding-bottom:3px;border-bottom:1px solid rgba(49,215,255,.4);
}
.text-link:hover{color:#fff;border-color:#fff;}
.text-link i{transition:transform .25s ease-out;}
.text-link:hover i{transform:translateX(4px);}

header.site-header{
    position:fixed;top:0;left:0;right:0;z-index:80;
    height:var(--header-height);
    display:flex;align-items:center;
    background:rgba(5,13,26,.6);
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(184,219,255,.08);
    transition:background .3s ease-out,box-shadow .3s ease-out;
}
header.site-header.is-scrolled{
    background:rgba(5,13,26,.88);backdrop-filter:blur(22px);
    box-shadow:0 10px 30px -24px rgba(0,0,0,.6);
    border-bottom-color:rgba(49,215,255,.14);
}
.header-inner{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
    display:inline-flex;align-items:center;gap:10px;flex-shrink:0;text-decoration:none;
}
.brand-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:46px;height:46px;border-radius:13px;
    background:linear-gradient(150deg,rgba(14,123,255,.95),rgba(9,45,96,.95));
    border:1px solid rgba(200,169,106,.5);
    color:#fff;font-weight:800;font-size:13px;letter-spacing:-.03em;
    box-shadow:0 0 16px rgba(14,123,255,.25);
}
.brand-text{
    font-size:20px;font-weight:700;color:var(--text);letter-spacing:.06em;
    line-height:1.1;
}
.brand-text small{display:block;font-size:10px;font-weight:400;color:var(--text-weak);letter-spacing:.18em;margin-top:2px;}
.main-nav{display:flex;align-items:center;}
.nav-links{
    display:flex;align-items:center;list-style:none;gap:6px;margin:0;padding:0;
}
.nav-links a{
    position:relative;display:block;padding:10px 16px;border-radius:8px;
    color:var(--text-secondary);font-size:15px;font-weight:500;
    text-decoration:none;transition:color .2s ease,background .2s ease;
}
.nav-links a::after{
    content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
    background:var(--gold);border-radius:2px;opacity:0;transform:scaleX(.3);transition:all .25s ease-out;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after{opacity:1;transform:scaleX(1);}
.nav-links a.active{color:#fff;}
.nav-links a.active::after{opacity:1;transform:scaleX(1);}

.header-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.header-search{
    display:flex;align-items:center;gap:6px;
}
.search-toggle{
    width:40px;height:40px;border-radius:9px;border:1px solid transparent;
    background:transparent;color:var(--text-secondary);cursor:pointer;
    display:inline-flex;align-items:center;justify-content:center;transition:all .25s;
}
.search-toggle:hover{color:#fff;background:rgba(255,255,255,.07);}
.search-expand{
    display:none;align-items:center;background:rgba(255,255,255,.06);
    border:1px solid var(--border-glass);border-radius:10px;padding:0 8px;height:40px;
}
.header-search.is-open .search-expand{display:flex;}
.search-expand input{
    border:none;background:transparent;color:#fff;font-size:14px;width:150px;height:38px;margin:0;
    box-shadow:none;
}
.search-expand input:focus{outline:none;}
.search-expand button{
    background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:6px;
}
.search-expand button:hover{color:#fff;}
.nav-toggle{
    display:none;width:44px;height:44px;border-radius:10px;background:transparent;
    border:1px solid var(--border-glass);cursor:pointer;flex-direction:column;
    align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:all .3s;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-nav{
    position:fixed;top:var(--header-height);left:0;right:0;bottom:0;z-index:75;
    background:rgba(5,13,26,.98);backdrop-filter:blur(24px);
    opacity:0;visibility:hidden;transition:all .3s ease-out;display:flex;flex-direction:column;
}
.mobile-nav.is-open{opacity:1;visibility:visible;}
.mobile-nav-inner{
    flex:1;overflow-y:auto;display:flex;flex-direction:column;padding:20px 26px 32px;gap:8px;
}
.mobile-nav-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px;}
.mobile-nav-links a{
    display:flex;align-items:center;justify-content:space-between;
    color:var(--text);padding:16px 4px;font-size:19px;font-weight:600;
    border-bottom:1px solid rgba(255,255,255,.06);transition:color .2s;
}
.mobile-nav-links a i{color:var(--text-weak);font-size:15px;}
.mobile-nav-links a:hover,.mobile-nav-links a.active{color:var(--accent);}
.mobile-nav-tools{margin-top:24px;display:grid;gap:12px;}

.article-banner{
    position:relative;overflow:hidden;
    padding:64px 0 56px;
    background:
        linear-gradient(135deg,rgba(5,13,26,.82),rgba(8,20,36,.65)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.article-banner::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(5,13,26,.1),rgba(5,13,26,.75));
    pointer-events:none;
}
.article-top-panel{
    position:relative;max-width:920px;margin:0 auto;
    background:rgba(255,255,255,.055);
    border:1px solid var(--border-glass);
    border-radius:var(--radius-large);
    padding:38px 44px 34px;
    backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    box-shadow:0 20px 60px -40px rgba(0,0,0,.8);
}
.breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:var(--text-weak);margin-bottom:22px;line-height:1.5;
}
.breadcrumb a{color:var(--text-secondary);border-bottom:1px solid transparent;transition:color .2s;}
.breadcrumb a:hover{color:#fff;border-color:var(--gold);}
.breadcrumb i{color:var(--text-weak);font-size:11px;}
.breadcrumb .current{color:var(--gold);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.article-kicker{
    display:flex;align-items:center;gap:10px;color:var(--gold);font-size:13px;font-weight:600;
    letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px;
}
.article-kicker::before{content:"";width:30px;height:1px;background:var(--gold);}
.article-h1{font-size:34px;line-height:1.4;color:#fff;font-weight:700;margin-bottom:20px;word-break:break-word;}
.article-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;color:var(--text-secondary);
    font-size:13.5px;border-top:1px solid rgba(184,219,255,.1);padding-top:18px;margin-top:4px;
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--gold);font-size:14px;width:16px;text-align:center;}
.article-meta .meta-tag{
    background:rgba(200,169,106,.12);border:1px solid var(--gold-border);
    color:var(--gold);padding:2px 12px;border-radius:999px;font-size:12px;font-weight:600;
}

.article-content-section{padding:64px 0 36px;position:relative;}
.article-stage{max-width:860px;margin:0 auto;position:relative;padding:0 24px;}
.cms-content{
    color:#CFDCEA;font-size:16px;line-height:1.9;word-break:break-word;
}
.cms-content > *{max-width:100%;}
.cms-content p{margin:0 0 1.6em;}
.cms-content h2{
    position:relative;margin:2.2em 0 .85em;padding:10px 0 10px 18px;
    font-size:25px;font-weight:700;color:#fff;line-height:1.4;
    border-left:3px solid var(--gold);background:linear-gradient(90deg,rgba(200,169,106,.08),transparent);
    border-radius:0 8px 8px 0;
}
.cms-content h3{margin:2em 0 .7em;font-size:20px;font-weight:700;color:var(--text);}
.cms-content h4{margin:1.8em 0 .6em;font-size:17px;color:var(--text);}
.cms-content a{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(49,215,255,.4);}
.cms-content a:hover{color:#fff;text-decoration-color:#fff;}
.cms-content img{border-radius:14px;border:1px solid var(--border-glass);margin:26px 0;height:auto;}
.cms-content blockquote{
    margin:1.8em 0;padding:20px 24px;background:rgba(255,255,255,.04);
    border-left:3px solid var(--gold);border-radius:0 14px 14px 0;color:var(--text-secondary);
}
.cms-content blockquote p:last-child{margin-bottom:0;}
.cms-content ul,.cms-content ol{margin:0 0 1.7em;padding-left:1.45em;}
.cms-content li{margin-bottom:.45em;}
.cms-content li::marker{color:var(--gold);}
.cms-content table{width:100%;margin:1.8em 0;border-collapse:collapse;background:rgba(255,255,255,.03);border-radius:12px;overflow:hidden;}
.cms-content th,.cms-content td{padding:13px 16px;border:1px solid rgba(184,219,255,.12);text-align:left;font-size:14.5px;}
.cms-content th{background:rgba(14,123,255,.12);color:#fff;font-weight:600;}
.cms-content tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.cms-content code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;background:rgba(255,255,255,.07);padding:3px 8px;border-radius:6px;font-size:.9em;}
.cms-content pre{background:rgba(0,0,0,.3);border:1px solid var(--border-glass);border-radius:14px;padding:18px;overflow-x:auto;}
.cms-content pre code{background:none;padding:0;color:#DDE8F5;}

.article-content-panel{
    border-top:1px solid rgba(184,219,255,.08);margin-top:16px;padding-top:22px;
}

.article-end-actions{
    display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
    margin-top:48px;padding:24px 0;border-top:1px solid rgba(184,219,255,.1);
}
.article-end-actions .left-group{display:flex;flex-wrap:wrap;gap:10px;}
.copy-share-btn{
    background:rgba(255,255,255,.05);border:1px solid var(--border-glass);color:var(--text-secondary);
}
.copy-share-btn:hover{background:var(--glass-hover);color:#fff;border-color:var(--gold-border);}

.related-block{
    padding:18px 0 10px;border-top:1px solid rgba(184,219,255,.08);
}
.related-block h2{
    display:inline-flex;align-items:center;gap:12px;font-size:22px;font-weight:700;color:#fff;
    margin-bottom:16px;
}
.related-block h2::before{content:"";width:4px;height:20px;background:var(--gradient);border-radius:4px;}
.related-empty-note{
    background:rgba(255,255,255,.035);border:1px dashed var(--border-glass);border-radius:16px;
    padding:26px 28px;color:var(--text-secondary);line-height:1.8;
}
.related-empty-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px;}
.related-tag-link{
    display:inline-flex;align-items:center;gap:7px;padding:8px 14px;color:var(--text-secondary);
    border:1px solid var(--border-glass);border-radius:999px;font-size:13.5px;background:rgba(255,255,255,.02);
}
.related-tag-link:hover{color:var(--accent);border-color:var(--border-glass-strong);}

.brand-story-card{
    margin-top:36px;border-radius:var(--radius-large);overflow:hidden;
    background:rgba(255,255,255,.035);border:1px solid var(--border-glass);
    transition:border-color .3s ease,box-shadow .3s ease;
}
.brand-story-card:hover{border-color:rgba(49,215,255,.28);box-shadow:0 24px 70px -40px rgba(14,123,255,.5);}
.brand-story-card .grid-x{align-items:stretch;}
.brand-story-visual{min-height:270px;position:relative;overflow:hidden;}
.brand-story-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.brand-story-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(5,13,26,.25),rgba(5,13,26,.02));}
.brand-story-copy{padding:34px 36px;display:flex;flex-direction:column;justify-content:center;gap:16px;position:relative;}
.brand-chip{
    align-self:flex-start;display:inline-flex;align-items:center;gap:8px;padding:5px 14px;
    color:var(--gold);border:1px solid var(--gold-border);border-radius:999px;font-size:12.5px;
    background:rgba(200,169,106,.07);
}
.brand-story-copy h2{font-size:23px;margin:0;color:#fff;}
.brand-story-copy p{margin:0;color:var(--text-secondary);line-height:1.85;font-size:15px;}

.article-empty{
    text-align:center;background:rgba(255,255,255,.035);border:1px solid var(--border-glass);
    border-radius:var(--radius-large);padding:72px 32px;
}
.article-empty-icon{
    width:70px;height:70px;margin:0 auto 24px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:rgba(200,169,106,.08);border:1px solid var(--gold-border);
}
.article-empty-icon i{font-size:28px;color:var(--gold);}
.article-empty h2{font-size:28px;color:#fff;margin-bottom:12px;}
.article-empty p{color:var(--text-secondary);max-width:420px;margin:0 auto 26px;}

.contact-section{padding:52px 0 24px;}
.business-cta-card{
    position:relative;overflow:hidden;border-radius:24px;
    padding:52px 48px;text-align:center;
    background:rgba(255,255,255,.045);
    border:1px solid rgba(200,169,106,.3);
    background-image:radial-gradient(circle at 85% 20%,rgba(200,169,106,.12),transparent 36%),
        radial-gradient(circle at 10% 80%,rgba(14,123,255,.14),transparent 40%);
}
.business-cta-card::before{
    content:"";position:absolute;left:24px;right:24px;top:0;height:1px;
    background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.business-cta-card h2{font-size:26px;color:#fff;margin-bottom:12px;}
.business-cta-card p{color:var(--text-secondary);max-width:600px;margin:0 auto 26px;}
.business-cta-card .cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;}
.cta-note{display:block;margin-top:16px;color:var(--text-weak);font-size:13px;}

footer.site-footer{
    background:var(--bg-deep);
    border-top:1px solid rgba(184,219,255,.08);
    margin-top:36px;
    position:relative;
}
.footer-top{padding:60px 0 32px;}
.site-footer .brand{margin-bottom:18px;}
.footer-top p{color:var(--text-secondary);font-size:14px;line-height:1.9;max-width:360px;margin:14px 0 0;}
.footer-title{
    color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-title::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--gold);border-radius:2px;}
.footer-links{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.footer-links a{
    color:var(--text-secondary);font-size:14px;display:inline-flex;align-items:center;gap:7px;
    transition:color .2s;
}
.footer-links a::before{content:"·";color:var(--gold);font-weight:700;font-size:16px;line-height:1;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
    border-top:1px solid rgba(184,219,255,.08);padding:22px 0;color:var(--text-weak);font-size:13px;
}
.footer-bottom a{color:var(--text-weak);}
.footer-bottom a:hover{color:var(--accent);}

.floating-btn{
    position:fixed;right:26px;bottom:26px;z-index:60;
    background:var(--gradient);color:#fff;border:1px solid rgba(255,255,255,.2);
    padding:13px 24px;border-radius:999px;box-shadow:var(--shadow-primary);
    font-size:14.5px;font-weight:700;display:inline-flex;align-items:center;gap:9px;
    opacity:0;visibility:hidden;transform:translateY(18px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s;
}
.floating-btn.show{opacity:1;visibility:visible;transform:translateY(0);}
.floating-btn:hover{color:#fff;transform:translateY(-3px);box-shadow:0 0 0 1px rgba(49,215,255,.4),0 15px 44px -8px rgba(14,123,255,.75);}
.mobile-bottom-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:65;display:none;
    background:rgba(5,13,26,.92);backdrop-filter:blur(16px);
    border-top:1px solid var(--gold-border);
    padding:8px 12px;gap:10px;align-items:center;
}
.mobile-bottom-link{
    flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;
    padding:10px;border-radius:9px;color:var(--text-secondary);border:1px solid rgba(184,219,255,.14);
    font-size:14px;text-decoration:none;
}
.mobile-bottom-link:hover{color:#fff;}
.mobile-bottom-btn{
    flex:1.2;display:inline-flex;align-items:center;justify-content:center;gap:8px;
    background:var(--gradient);color:#fff;border-radius:9px;
    padding:10px;font-size:14.5px;font-weight:700;border:none;text-decoration:none;
    box-shadow:var(--shadow-primary);min-height:42px;
}
.mobile-bottom-btn:hover{color:#fff;opacity:.9;}
.toast-tip{
    position:fixed;left:50%;bottom:90px;transform:translateX(-50%) translateY(10px);
    background:rgba(200,169,106,.96);color:#081424;padding:10px 18px;border-radius:999px;
    font-size:13px;font-weight:600;z-index:100;opacity:0;visibility:hidden;
    transition:all .3s ease-out;box-shadow:0 8px 26px rgba(0,0,0,.4);
}
.toast-tip.is-show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}

@media(max-width:1024px){
    :root{--header-height:66px;}
    .main-nav,.nav-login-btn,.nav-cta-btn,.search-toggle{display:none;}
    .nav-toggle{display:inline-flex;}
    .header-tools{gap:6px;}
    .mobile-bottom-bar{display:flex;}
    body{padding-bottom:62px;}
    .article-banner{padding:40px 0 32px;}
    .article-top-panel{padding:30px 24px;}
    .article-h1{font-size:27px;}
    .footer-bottom .grid-x .cell{text-align:left!important;}
    .footer-top .cell{margin-bottom:18px;}
    .floating-btn{display:none!important;}
}
@media(max-width:640px){
    .container-xl{padding:0 18px;}
    .article-stage{padding:0 18px;}
    .article-top-panel{padding:24px 18px;border-radius:16px;}
    .breadcrumb{font-size:12px;gap:6px;}
    .article-kicker{font-size:12px;}
    .article-kicker::before{width:20px;}
    .article-h1{font-size:24px;line-height:1.45;}
    .article-meta{gap:10px 14px;font-size:12.5px;}
    .article-content-section{padding:42px 0 24px;}
    .cms-content p{font-size:15.5px;}
    .cms-content h2{font-size:22px;padding-left:14px;}
    .cms-content h3{font-size:18px;}
    .article-end-actions{flex-direction:column;align-items:stretch;}
    .article-end-actions .left-group,.article-end-actions .btn{width:100%;}
    .brand-story-card .grid-x{display:block;}
    .brand-story-visual{min-height:190px;position:relative;}
    .brand-story-visual img{position:relative;height:190px;}
    .brand-story-copy{padding:24px 20px;}
    .brand-story-copy h2{font-size:20px;}
    .business-cta-card{padding:40px 20px 30px;}
    .business-cta-card h2{font-size:22px;}
    .cta-actions .btn{width:100%;}
    .footer-top{padding-top:44px;}
}
@media(max-width:480px){
    .mobile-bottom-bar{padding:7px 10px;}
    .mobile-bottom-btn,.mobile-bottom-link{padding:9px 6px;font-size:13px;}
    .breadcrumb .current{max-width:190px;}
}

/* roulang page: category2 */
:root {
            --bg-deep: #050D1A;
            --bg-page: #081424;
            --bg-section: #0C1B30;
            --bg-panel: #0F223A;
            --card-bg: rgba(255, 255, 255, 0.045);
            --card-bg-strong: rgba(255, 255, 255, 0.07);
            --card-border: rgba(184, 219, 255, 0.14);
            --primary: #0E7BFF;
            --accent: #31D7FF;
            --gold: #C8A96A;
            --gold-border: rgba(200, 169, 106, 0.45);
            --text-main: #EAF1F9;
            --text-sub: #A5B8CD;
            --text-weak: #6F849C;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-card: 0 10px 40px -20px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 0 1px rgba(49, 215, 255, 0.25), 0 8px 40px -8px rgba(14, 123, 255, 0.6);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg-deep);
            color: var(--text-main);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        img,
        video {
            max-width: 100%;
            height: auto;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color .25s ease;
        }

        a:hover {
            color: #8BEAFF;
        }

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

        .container-xl {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-block {
            padding: 96px 0;
        }

        @media screen and (max-width: 767px) {
            .section-block {
                padding: 64px 0;
            }
            .container-xl {
                padding: 0 18px;
            }
        }

        .sec-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            letter-spacing: .08em;
            color: var(--gold);
            font-weight: 600;
            text-transform: uppercase;
        }

        .sec-eyebrow::before {
            content: "";
            width: 22px;
            height: 1px;
            background: var(--gold);
        }

        .sec-title {
            font-size: 28px;
            line-height: 1.4;
            font-weight: 700;
            margin: 14px 0 18px;
            color: #EFF6FF;
        }

        .sec-lead {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 780px;
        }

        .sec-head-center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-bottom: 48px;
        }

        .sec-head-center .sec-eyebrow::after {
            content: "";
            width: 22px;
            height: 1px;
            background: var(--gold);
            display: inline-block;
        }

        @media screen and (max-width: 767px) {
            .sec-title {
                font-size: 22px;
            }
            .sec-lead {
                font-size: 14px;
            }
            .sec-head-center {
                margin-bottom: 32px;
            }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 26px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            line-height: 1.2;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            filter: brightness(1.08);
            color: #fff;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(184, 219, 255, 0.22);
            color: var(--text-main);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(49, 215, 255, 0.45);
            color: #fff;
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--gold-border);
            color: #E9D3AC;
        }

        .btn-outline-gold:hover {
            background: rgba(200, 169, 106, 0.1);
            color: #F5E4C3;
            border-color: var(--gold);
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(5, 13, 26, 0.7);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(184, 219, 255, 0.1);
            transition: background .3s ease;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 24px;
        }

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

        .brand-mark {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: linear-gradient(135deg, #31D7FF, #0E7BFF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            color: #fff;
            letter-spacing: -0.5px;
            box-shadow: 0 0 18px rgba(14, 123, 255, .4);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: #F2F6FA;
        }

        .main-nav {
            display: block;
        }

        .nav-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            gap: 8px;
        }

        .nav-links li {
            margin: 0;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-sub);
            font-size: 15px;
            border-radius: 8px;
            border-bottom: 2px solid transparent;
            transition: all .25s ease;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-links a.active {
            color: #fff;
            border-bottom-color: var(--gold);
            background: rgba(200, 169, 106, 0.06);
        }

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

        .icon-btn {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid rgba(184, 219, 255, 0.12);
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-main);
            cursor: pointer;
            transition: all .25s ease;
            font-size: 15px;
        }

        .icon-btn:hover {
            border-color: rgba(49, 215, 255, 0.4);
            color: var(--accent);
        }

        .search-wrap {
            position: relative;
        }

        .search-box {
            position: absolute;
            top: calc(100% + 10px);
            right: 0;
            width: 300px;
            padding: 10px;
            background: rgba(15, 34, 58, 0.92);
            border: 1px solid rgba(184, 219, 255, 0.18);
            border-radius: 12px;
            display: none;
            z-index: 200;
        }

        .search-box.open {
            display: block;
            animation: fadeUp .2s ease;
        }

        .search-box input {
            width: 100%;
            height: 42px;
            padding: 0 14px;
            border: 1px solid rgba(184, 219, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            color: var(--text-main);
            outline: none;
        }

        .search-box input:focus {
            border-color: var(--accent);
        }

        @media screen and (max-width: 1024px) {
            .main-nav {
                display: none;
            }
            .header-actions .login-hide {
                display: none;
            }
        }

        @media (min-width: 1025px) {
            .nav-toggle {
                display: none;
            }
            .search-ghost {
                display: none;
            }
        }

        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            flex-direction: column;
            padding: 24px;
            position: fixed;
            inset: 76px 0 0 0;
            background: rgba(5, 13, 26, 0.96);
            backdrop-filter: blur(22px);
            z-index: 999;
        }

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

        .mobile-drawer ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .mobile-drawer a {
            display: block;
            padding: 14px 8px;
            color: var(--text-sub);
            font-size: 18px;
            border-bottom: 1px solid rgba(184, 219, 255, 0.1);
        }

        .mobile-drawer a.active {
            color: var(--accent);
        }

        .mobile-drawer .drawer-cta {
            margin-top: 32px;
        }

        @media screen and (max-width: 1024px) {
            .site-header {
                background: rgba(5, 13, 26, 0.86);
            }
        }

        /* Banner */
        .page-banner {
            position: relative;
            min-height: 420px;
            background: var(--bg-page);
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
        }

        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .75;
            transform: scale(1.05);
        }

        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(5, 13, 26, .95), rgba(8, 20, 36, .72) 68%, rgba(8, 20, 36, .4));
        }

        .banner-content {
            position: relative;
            z-index: 3;
            width: 100%;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 26px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-sub);
        }

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

        .crumb-sep {
            color: var(--text-weak);
            font-size: 11px;
            opacity: .7;
        }

        .crumb-current {
            color: var(--gold);
        }

        .banner-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border: 1px solid var(--gold-border);
            border-radius: 100px;
            font-size: 13px;
            color: #E8CFA3;
            background: rgba(200, 169, 106, 0.06);
            margin-bottom: 18px;
        }

        .category-h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.18;
            margin: 0 0 14px;
            color: #fff;
        }

        .banner-subtitle {
            font-size: 16px;
            max-width: 620px;
            color: rgba(234, 241, 249, 0.84);
            margin: 0;
        }

        @media screen and (max-width: 767px) {
            .page-banner {
                min-height: 340px;
                padding: 60px 0 48px;
            }
            .category-h1 {
                font-size: 30px;
            }
            .banner-subtitle {
                font-size: 14px;
            }
            .breadcrumb {
                margin-bottom: 18px;
            }
        }

        /* Generic cards */
        .glass-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: border-color .25s, background .25s, transform .25s;
        }

        .glass-card:hover {
            border-color: rgba(49, 215, 255, 0.35);
            background: rgba(255, 255, 255, 0.065);
        }

        .section-alt {
            background: var(--bg-section);
            border-top: 1px solid rgba(184, 219, 255, .05);
            border-bottom: 1px solid rgba(184, 219, 255, .05);
        }

        .section-deep {
            background: #07111F;
        }

        /* Intro section */
        .intro-wrap {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 40px;
        }

        .intro-lead-text {
            flex: 1 1 360px;
        }

        .intro-side-panel {
            flex: 0 1 360px;
            padding: 30px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }

        .intro-side-panel::before {
            content: "01";
            position: absolute;
            right: 14px;
            top: 8px;
            font-size: 56px;
            font-weight: 800;
            color: rgba(200, 169, 106, 0.1);
            letter-spacing: -2px;
        }

        .panel-number {
            font-size: 22px;
            font-weight: 800;
            color: var(--gold);
        }

        .intro-side-panel h3 {
            font-size: 19px;
            margin: 12px 0 10px;
            color: var(--text-main);
        }

        .intro-side-panel p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 0;
        }

        /* Core competencies */
        .core-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 0 60px;
        }

        .core-main {
            flex: 1 1 420px;
        }

        .core-list {
            list-style: none;
            margin: 28px 0 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .core-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .core-list .core-ico {
            width: 42px;
            height: 42px;
            flex-shrink: 0;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(49, 215, 255, 0.1);
            border: 1px solid rgba(49, 215, 255, 0.25);
            color: var(--accent);
            font-size: 17px;
        }

        .core-list h4 {
            margin: 0 0 4px;
            font-size: 16px;
            color: var(--text-main);
        }

        .core-list p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 0;
        }

        .core-aside {
            flex: 0 1 360px;
            padding: 34px;
            border-radius: var(--radius);
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02));
            border: 1px solid rgba(184, 219, 255, 0.15);
            border-left: 3px solid var(--gold);
            position: relative;
        }

        .core-aside blockquote {
            margin: 0;
            padding: 0;
        }

        .core-aside p {
            color: rgba(234, 241, 249, .92);
            font-size: 15px;
            line-height: 2;
        }

        .core-aside cite {
            display: block;
            margin-top: 14px;
            font-style: normal;
            color: var(--gold);
            font-size: 14px;
        }

        /* Direction area */
        .direction-area {
            padding: 0;
        }

        .direction-inner {
            background: var(--bg-section);
            border-radius: 24px;
            padding: 44px 48px;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
            border: 1px solid rgba(184, 219, 255, 0.08);
        }

        @media screen and (max-width: 900px) {
            .direction-inner {
                padding: 30px 24px;
                gap: 26px;
            }
        }

        .direction-media {
            flex: 1 1 300px;
            border-radius: 18px;
            border: 1px solid rgba(184, 219, 255, 0.16);
            background: #0A1828;
            overflow: hidden;
            min-height: 280px;
        }

        .direction-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 280px;
            display: block;
        }

        .direction-copy {
            flex: 1.2 1 420px;
        }

        .direction-tags {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 14px;
            margin-top: 22px;
        }

        @media screen and (max-width: 640px) {
            .direction-tags {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        .dir-tag {
            background: rgba(255, 255, 255, 0.045);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            padding: 14px 14px 12px;
        }

        .dir-tag span {
            display: block;
            color: var(--gold);
            font-size: 12px;
            margin-bottom: 2px;
            letter-spacing: 0.08em;
        }

        .dir-tag h5 {
            margin: 0;
            font-size: 15px;
            color: var(--text-main);
        }

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

        @media screen and (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 540px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            padding: 26px 24px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            transition: all .28s ease;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(49, 215, 255, 0.4);
            background: rgba(255, 255, 255, 0.07);
        }

        .service-card .sc-ico {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(49, 215, 255, .14), rgba(14, 123, 255, .14));
            color: var(--accent);
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            border: 1px solid rgba(49, 215, 255, .18);
        }

        .service-card h3 {
            font-size: 18px;
            margin: 0 0 10px;
            color: var(--text-main);
        }

        .service-card p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 0 0 16px;
        }

        .service-card .link-more {
            font-size: 13px;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .service-card .link-more:hover {
            column-gap: 10px;
        }

        /* Process steps */
        .step-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 44px;
        }

        @media screen and (max-width: 1024px) {
            .step-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 540px) {
            .step-grid {
                grid-template-columns: 1fr;
            }
        }

        .step-item {
            position: relative;
            padding: 24px 22px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            transition: all .25s ease;
            overflow: hidden;
        }

        .step-item::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 46px;
            background: var(--gold);
            opacity: .7;
        }

        .step-item:hover {
            background: rgba(255, 255, 255, .07);
            border-color: rgba(49, 215, 255, .3);
        }

        .step-num {
            font-size: 26px;
            font-weight: 800;
            color: var(--gold);
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 14px;
        }

        .step-num small {
            font-size: 13px;
            color: var(--text-weak);
            font-weight: 400;
        }

        .step-item h4 {
            margin: 0 0 10px;
            font-size: 16px;
            color: var(--text-main);
        }

        .step-item p {
            font-size: 13px;
            line-height: 1.8;
            color: var(--text-sub);
            margin: 0;
        }

        /* Visual cooperation */
        .coop-visual {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 40px;
        }

        .coop-visual-media {
            flex: 1 1 420px;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(184, 219, 255, .14);
            position: relative;
        }

        .coop-visual-media img {
            width: 100%;
            display: block;
            object-fit: cover;
            min-height: 280px;
        }

        .coop-visual-media .media-label {
            position: absolute;
            left: 14px;
            bottom: 12px;
            background: rgba(5, 13, 26, .72);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(200, 169, 106, .35);
            border-radius: 100px;
            color: #E9D6AF;
            padding: 6px 14px;
            font-size: 12px;
        }

        .coop-visual-content {
            flex: 1 1 420px;
        }

        .coop-points {
            list-style: none;
            margin: 22px 0;
            padding: 0;
        }

        .coop-points li {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed rgba(184, 219, 255, .12);
            align-items: flex-start;
        }

        .coop-points li i {
            color: var(--gold);
            font-size: 14px;
            margin-top: 6px;
        }

        .coop-points strong {
            color: var(--text-main);
            display: block;
            font-size: 15px;
        }

        .coop-points p {
            color: var(--text-sub);
            font-size: 14px;
            margin: 4px 0 0;
        }

        /* Trust stats */
        .trust-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .trust-stat {
            flex: 1 1 160px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--card-border);
            border-radius: 14px;
            padding: 24px 18px;
            text-align: center;
        }

        .trust-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1.2;
            font-family: "Barlow Condensed", "DIN Alternate", sans-serif;
            font-variant: tabular-nums;
        }

        .trust-label {
            display: block;
            color: var(--text-sub);
            font-size: 13px;
            margin-top: 8px;
        }

        /* FAQ */
        .faq-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            margin-top: 20px;
        }

        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 12px;
            transition: border-color .25s;
            overflow: hidden;
        }

        .faq-item.open {
            border-color: rgba(49, 215, 255, .35);
            background: rgba(255, 255, 255, .065);
        }

        .faq-q {
            display: flex;
            align-items: center;
            gap: 16px;
            width: 100%;
            padding: 20px 22px;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 16px;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            min-height: 56px;
        }

        .faq-q .faq-icon {
            margin-left: auto;
            color: var(--gold);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            border: 1px solid var(--gold-border);
            font-size: 14px;
            transition: transform .25s ease;
        }

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

        .faq-a {
            display: none;
            padding: 0 22px 22px 22px;
            color: var(--text-sub);
            font-size: 14px;
            margin-top: -6px;
            line-height: 1.9;
        }

        .faq-a p {
            margin: 0;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* CTA */
        .cta-section {
            position: relative;
            padding: 56px 0;
        }

        .cta-inner {
            position: relative;
            background: linear-gradient(135deg, #0B2137, #071322);
            border: 1px solid rgba(200, 169, 106, 0.2);
            border-radius: 24px;
            padding: 48px 40px;
            text-align: center;
            overflow: hidden;
        }

        .cta-inner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 30% 20%, rgba(49, 215, 255, .16), transparent 46%),
                linear-gradient(rgba(200,169,106,.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(200,169,106,.03) 1px, transparent 1px);
            background-size: auto, 46px 46px, 46px 46px;
            pointer-events: none;
        }

        .cta-inner h2 {
            font-size: 30px;
            margin: 0 0 10px;
            color: #fff;
            position: relative;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--text-sub);
            margin: 0 auto 30px;
            max-width: 560px;
            position: relative;
        }

        .cta-actions {
            position: relative;
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        @media screen and (max-width: 767px) {
            .cta-inner {
                padding: 34px 22px;
            }
            .cta-inner h2 {
                font-size: 22px;
            }
            .cta-inner p {
                font-size: 14px;
            }
        }

        /* Footer */
        .site-footer {
            background: #04090F;
            border-top: 1px solid rgba(184, 219, 255, .07);
            color: var(--text-sub);
        }

        .footer-top {
            padding: 64px 0 44px;
        }

        .site-footer h4.footer-title {
            color: #DCE7F2;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 600;
        }

        .site-footer .brand {
            margin-bottom: 14px;
        }

        .site-footer p {
            color: #8296AB;
            font-size: 14px;
            line-height: 1.9;
        }

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

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

        .footer-links a {
            color: #8296AB;
            font-size: 14px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(184, 219, 255, .06);
            padding: 22px 0;
            color: #5D7188;
            font-size: 13px;
        }

        .footer-bottom .grid-x {
            align-items: center;
        }

        /* Floating CTA */
        .float-cta {
            display: none;
            position: fixed;
            right: 22px;
            bottom: 24px;
            z-index: 300;
        }

        .float-cta.show {
            display: block;
        }

        .mobile-bottom-bar {
            display: none;
        }

        @media screen and (max-width: 767px) {
            .float-cta {
                display: none !important;
            }
            body {
                padding-bottom: 64px;
            }
            .mobile-bottom-bar {
                display: flex;
                position: fixed;
                left: 0;
                right: 0;
                bottom: 0;
                z-index: 350;
                height: 56px;
                background: rgba(8, 20, 36, .90);
                backdrop-filter: blur(18px);
                border-top: 1px solid var(--gold-border);
            }
            .mobile-bottom-bar a {
                flex: 1;
                display: flex;
                align-items: center;
                justify-content: center;
                gap: 8px;
                font-size: 14px;
                color: var(--text-main);
                border-left: 1px solid rgba(200,169,106,.1);
            }
            .mobile-bottom-bar a:first-child {
                color: var(--text-sub);
            }
            .mobile-bottom-bar a.online-btn {
                background: rgba(49, 215, 255, .08);
                color: #fff;
            }
        }

        /* animations */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

/* roulang page: category3 */
:root {
    --bg-deep: #050D1A;
    --bg-page: #081424;
    --bg-section: #0C1B30;
    --panel-deep: #0F223A;
    --card-glass: rgba(255, 255, 255, 0.045);
    --card-hover: rgba(255, 255, 255, 0.075);
    --line-glass: rgba(184, 219, 255, 0.14);
    --line-bright: rgba(49, 215, 255, 0.35);
    --blue: #0E7BFF;
    --cyan: #31D7FF;
    --gold: #C8A96A;
    --gold-line: rgba(200, 169, 106, 0.45);
    --text-main: #EAF1F9;
    --text-secondary: #A5B8CD;
    --text-weak: #6F849C;
    --success: #28E0A4;
    --radius: 16px;
    --radius-sm: 8px;
    --shadow-card: 0 10px 40px -20px rgba(0, 0, 0, 0.5);
    --cta-grad: linear-gradient(135deg, #31D7FF, #0E7BFF);
    --cta-shadow: 0 0 0 1px rgba(49, 215, 255, 0.25), 0 8px 40px -8px rgba(14, 123, 255, 0.6);
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg-deep);
    color: var(--text-main);
    font-family: var(--font-main);
    font-size: 15px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 0;
    overflow-x: hidden;
  }

  body.nav-locked {
    overflow: hidden;
  }

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

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

  p,
  h1,
  h2,
  h3,
  h4,
  ul,
  li {
    margin: 0;
    padding: 0;
  }

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

  ul,
  li {
    list-style: none;
  }

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

  ::selection {
    background: rgba(14, 123, 255, 0.35);
    color: #ffffff;
  }

  .container-xl {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
  }

  /* 页面底色纹理 */
  .site-decoration {
    position: relative;
    background:
      radial-gradient(ellipse at 80% 10%, rgba(14, 123, 255, 0.12), transparent 45%),
      radial-gradient(ellipse at 0% 70%, rgba(49, 215, 255, 0.05), transparent 40%),
      linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-page) 36%, var(--bg-deep) 100%);
  }

  .section {
    padding-top: clamp(64px, 9vw, 120px);
    padding-bottom: clamp(64px, 9vw, 120px);
  }

  .section--alt {
    background: linear-gradient(180deg, rgba(12, 27, 48, 0.35), rgba(12, 27, 48, 0.8));
  }

  .section-head {
    margin-bottom: 46px;
  }

  .section-head.center {
    text-align: center;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--gold);
    margin-bottom: 14px;
  }

  .section-tag::before {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--gold-line);
  }

  .section-head.center .section-tag::after {
    content: "";
    width: 26px;
    height: 1px;
    background: var(--gold-line);
  }

  .section-title {
    font-size: clamp(23px, 3vw, 34px);
    font-weight: 700;
    line-height: 1.35;
    color: var(--text-main);
    letter-spacing: 0.02em;
  }

  .section-sub {
    color: var(--text-secondary);
    margin-top: 18px;
    font-size: 16px;
    max-width: 620px;
  }

  .section-head.center .section-sub {
    margin-left: auto;
    margin-right: auto;
  }

  /* 导航区 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(5, 13, 26, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: background 0.35s ease, box-shadow 0.3s ease;
    border-bottom: 1px solid rgba(184, 219, 255, 0.08);
  }

  .site-header.scrolled {
    background: rgba(5, 13, 26, 0.88);
    box-shadow: 0 10px 30px -18px rgba(0, 0, 0, 0.8);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 78px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
  }

  .brand-mark {
    display: grid;
    place-items: center;
    width: 50px;
    height: 50px;
    border-radius: 15px;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: -0.04em;
    color: #ffffff;
    background: linear-gradient(135deg, #0E7BFF, #31D7FF);
    box-shadow: 0 0 0 1px rgba(49, 215, 255, 0.4), 0 10px 30px -12px rgba(14, 123, 255, 0.65);
    font-family: "DIN Alternate", "Barlow Condensed", "PingFang SC", sans-serif;
  }

  .brand-text {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.03em;
    white-space: nowrap;
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: clamp(18px, 2.6vw, 36px);
  }

  .nav-links a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 15px;
    color: var(--text-secondary);
    position: relative;
    font-weight: 500;
    transition: color 0.2s ease;
  }

  .nav-links a::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 8px;
    bottom: 3px;
    height: 2px;
    border-radius: 2px;
    background: var(--gold);
    opacity: 0;
    transform: scaleX(0.6);
    transition: opacity 0.2s ease, transform 0.25s ease;
  }

  .nav-links a:hover,
  .nav-links a.active {
    color: var(--text-main);
  }

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

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

  .icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line-glass);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    font-size: 14px;
    cursor: pointer;
  }

  .icon-btn:hover,
  .icon-btn.active {
    color: var(--cyan);
    background: rgba(49, 215, 255, 0.08);
    border-color: var(--line-bright);
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 46px;
    font-weight: 600;
    font-size: 14px;
    border-radius: var(--radius-sm);
    padding: 0 26px;
    min-width: 44px;
    cursor: pointer;
    transition: all 0.25s ease;
    letter-spacing: 0.01em;
    white-space: nowrap;
  }

  .btn-primary {
    background: var(--cta-grad);
    color: #fff;
    box-shadow: var(--cta-shadow);
  }

  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(49, 215, 255, 0.4), 0 14px 44px -10px rgba(14, 123, 255, 0.75);
  }

  .btn-glass {
    background: rgba(255, 255, 255, 0.045);
    color: var(--text-main);
    border: 1px solid var(--line-glass);
  }

  .btn-glass:hover {
    background: rgba(255, 255, 255, 0.09);
    color: var(--cyan);
    border-color: rgba(49, 215, 255, 0.32);
  }

  .btn-sm {
    min-height: 42px;
    padding: 0 20px;
    font-size: 13px;
  }

  .btn-lg {
    min-height: 52px;
    padding: 0 34px;
    font-size: 15px;
  }

  .btn-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--cyan);
    font-weight: 600;
    font-size: 14px;
    min-height: 44px;
    transition: color 0.2s ease;
  }

  .btn-link i {
    transition: transform 0.2s ease;
  }

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

  .mobile-menu-btn {
    display: none;
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--line-glass);
    color: var(--text-main);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
  }

  /* 移动抽屉 */
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: rgba(5, 13, 26, 0.95);
    backdrop-filter: blur(22px);
    display: flex;
    flex-direction: column;
    padding: 30px clamp(26px, 7vw, 48px);
    transform: translateX(100%);
    transition: transform 0.35s ease;
    visibility: hidden;
  }

  .mobile-menu.open {
    transform: translateX(0);
    visibility: visible;
  }

  .mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-close-btn {
    width: 46px;
    height: 46px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--line-glass);
    color: var(--text-main);
    font-size: 18px;
    cursor: pointer;
  }

  .mobile-menu nav {
    margin-top: 42px;
  }

  .mobile-menu nav a {
    display: block;
    font-size: 22px;
    font-weight: 600;
    padding: 18px 0;
    color: var(--text-main);
    border-bottom: 1px solid rgba(184, 219, 255, 0.08);
  }

  .mobile-menu nav a.active {
    color: var(--cyan);
  }

  .mobile-menu .mobile-cta-stack {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: auto;
    padding-top: 30px;
  }

  .mobile-menu .btn {
    width: 100%;
  }

  /* Banner / Hero Area */
  .page-banner {
    position: relative;
    padding: clamp(96px, 10vw, 140px) 0 clamp(64px, 7vw, 88px);
    overflow: hidden;
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
  }

  .page-banner--three {
    background-image: url('/assets/images/backpic/back-2.webp');
    min-height: 360px;
  }

  .page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(105deg, rgba(5, 13, 26, 0.97) 8%, rgba(5, 13, 26, 0.82) 45%, rgba(5, 13, 26, 0.35) 100%);
  }

  .page-banner::after {
    content: "";
    position: absolute;
    inset: auto 8% -12% auto;
    width: 420px;
    height: 260px;
    background: radial-gradient(circle, rgba(49, 215, 255, 0.12), transparent 65%);
    pointer-events: none;
  }

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

  .banner-breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-weak);
    font-size: 14px;
    margin-bottom: 30px;
  }

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

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

  .banner-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--gold);
    font-size: 13px;
    letter-spacing: 0.06em;
    border: 1px solid var(--gold-line);
    padding: 7px 14px;
    border-radius: 999px;
    background: rgba(200, 169, 106, 0.05);
    margin-bottom: 22px;
  }

  .page-banner h1 {
    font-size: clamp(32px, 5vw, 50px);
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1.2;
    margin-bottom: 22px;
    color: #fff;
  }

  .page-banner p {
    color: var(--text-secondary);
    max-width: 690px;
    font-size: 16px;
    margin-bottom: 32px;
    line-height: 1.9;
  }

  .banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 34px;
  }

  /* 介绍、图文交错区 */
  .intro-section {
    padding-top: clamp(72px, 9vw, 128px);
    padding-bottom: clamp(60px, 7vw, 96px);
  }

  .intro-copy .section-title {
    margin-bottom: 20px;
    max-width: 540px;
  }

  .intro-copy p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 15px;
    line-height: 1.9;
  }

  .check-list {
    margin-top: 28px;
  }

  .check-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 11px 0;
    font-size: 15px;
    color: var(--text-main);
    border-bottom: 1px solid rgba(184, 219, 255, 0.06);
  }

  .check-list li i {
    color: var(--cyan);
    font-size: 16px;
    margin-top: 4px;
    width: 22px;
    text-align: center;
  }

  .visual-wrap {
    position: relative;
  }

  .photo-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--line-glass);
    box-shadow: 0 18px 70px -22px rgba(0, 0, 0, 0.75);
    background: var(--bg-section);
  }

  .photo-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 340px;
  }

  .photo-frame::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 13, 26, 0.05) 30%, rgba(5, 13, 26, 0.35) 100%);
    pointer-events: none;
  }

  .photo-note {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 22px;
    z-index: 2;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
  }

  .photo-tagline {
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 2;
    color: var(--gold);
    background: rgba(5, 13, 26, 0.68);
    border: 1px solid var(--gold-line);
    border-radius: 999px;
    font-size: 13px;
    padding: 7px 16px;
    backdrop-filter: blur(8px);
  }

  /* 服务模块卡片 */
  .module-cards {
    padding-top: clamp(72px, 9vw, 118px);
    padding-bottom: clamp(72px, 9vw, 118px);
  }

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

  .feature-card {
    position: relative;
    background: var(--card-glass);
    border: 1px solid var(--line-glass);
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    overflow: hidden;
  }

  .feature-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 26px;
    right: 26px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  }

  .feature-card:hover {
    background: var(--card-hover);
    border-color: var(--line-bright);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px -22px rgba(0, 0, 0, 0.85);
  }

  .feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 15px;
    font-size: 22px;
    color: var(--cyan);
    background: rgba(49, 215, 255, 0.09);
    border: 1px solid rgba(49, 215, 255, 0.17);
    margin-bottom: 22px;
    transition: transform 0.25s ease, color 0.25s ease;
  }

  .feature-card:hover .feature-icon {
    color: var(--cyan);
    transform: translateY(-3px);
  }

  .feature-card h3 {
    font-size: 18px;
    line-height: 1.45;
    font-weight: 700;
    color: #fff;
    margin-bottom: 13px;
  }

  .feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
  }

  /* 流程区块 */
  .process-section {
    padding-top: clamp(72px, 9vw, 118px);
    padding-bottom: clamp(72px, 9vw, 118px);
    background:
      radial-gradient(circle at 15% 30%, rgba(14, 123, 255, 0.12), transparent 38%),
      var(--bg-section);
  }

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

  .process-step {
    position: relative;
    background: var(--card-glass);
    border: 1px solid var(--line-glass);
    border-radius: var(--radius);
    padding: 30px 24px 28px;
    transition: all 0.3s ease;
    min-height: 220px;
  }

  .process-step:hover {
    border-color: var(--gold-line);
    background: rgba(255, 255, 255, 0.06);
  }

  .process-number {
    font-size: 32px;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1px rgba(200, 169, 106, 0.75);
    line-height: 1;
    font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
    margin-bottom: 20px;
    letter-spacing: 0.01em;
  }

  .process-step h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
  }

  .process-step p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.85;
  }

  /* 指标带 */
  .metrics-band {
    position: relative;
    padding-top: clamp(64px, 8vw, 100px);
    padding-bottom: clamp(64px, 8vw, 100px);
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }

  .metrics-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5, 13, 26, 0.94), rgba(5, 13, 26, 0.85));
  }

  .metrics-band .container-xl {
    position: relative;
    z-index: 2;
  }

  .metrics-title {
    text-align: center;
    color: #fff;
    margin-bottom: 48px;
  }

  .metrics-title h2 {
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    margin-top: 6px;
  }

  .metrics-title .section-tag {
    color: var(--gold);
  }

  .metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .metric-item {
    text-align: center;
    padding: 28px 16px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--line-glass);
    backdrop-filter: blur(6px);
    transition: border-color 0.25s ease;
  }

  .metric-item:hover {
    border-color: var(--gold-line);
  }

  .metric-num {
    display: block;
    color: var(--gold);
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 8px;
    font-family: "DIN Alternate", "Barlow Condensed", sans-serif;
  }

  .metric-label {
    color: var(--text-secondary);
    font-size: 14px;
  }

  /* 适用场景 */
  .scene-section {
    padding-top: clamp(72px, 9vw, 118px);
    padding-bottom: clamp(72px, 9vw, 118px);
  }

  .scene-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }

  .scene-visual {
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    gap: 16px;
  }

  .scene-visual .scene-img {
    border-radius: 18px;
    overflow: hidden;
    flex: 1;
    min-height: 220px;
    background: var(--bg-section);
    border: 1px solid var(--line-glass);
  }

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

  .scene-img.is-sm {
    margin-top: 36px;
  }

  .scene-copy h2 {
    font-size: clamp(23px, 3vw, 32px);
    line-height: 1.4;
    margin-bottom: 18px;
    color: #fff;
  }

  .scene-copy p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
    line-height: 1.9;
  }

  .scene-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .scene-card {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    background: var(--card-glass);
    border: 1px solid var(--line-glass);
    padding: 18px 20px;
    border-radius: 13px;
    transition: background 0.2s ease, border-color 0.2s ease;
  }

  .scene-card:hover {
    border-color: var(--gold-line);
  }

  .scene-card i {
    margin-top: 5px;
    color: var(--gold);
    width: 20px;
    text-align: center;
    font-size: 17px;
  }

  .scene-card strong {
    display: block;
    color: #EAF1F9;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 5px;
  }

  .scene-card span {
    color: var(--text-secondary);
    font-size: 14px;
  }

  /* FAQ */
  .faq-section {
    padding-top: clamp(70px, 9vw, 112px);
    padding-bottom: clamp(70px, 9vw, 112px);
    background: linear-gradient(180deg, rgba(12, 27, 48, 0.22), rgba(12, 27, 48, 0.7));
  }

  .faq-panel {
    max-width: 940px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--card-glass);
    border: 1px solid var(--line-glass);
    border-radius: 14px;
    margin-bottom: 14px;
    transition: border-color 0.25s ease, background 0.25s ease;
    overflow: hidden;
  }

  .faq-item:hover {
    background: var(--card-hover);
  }

  .faq-item.active {
    border-color: var(--gold-line);
    background: rgba(255, 255, 255, 0.07);
  }

  .faq-q {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    min-height: 64px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    cursor: pointer;
    text-align: left;
    line-height: 1.5;
    gap: 16px;
  }

  .faq-icon {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 8px;
    border: 1px solid var(--line-glass);
    display: grid;
    place-items: center;
    font-size: 16px;
    color: var(--cyan);
    background: rgba(49, 215, 255, 0.06);
    transition: transform 0.3s ease, color 0.3s ease;
  }

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

  .faq-a {
    display: none;
    padding: 0 24px 22px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.95;
    border-top: 1px solid transparent;
  }

  .faq-item.active .faq-a {
    display: block;
    border-top-color: rgba(200, 169, 106, 0.14);
    padding-top: 16px;
  }

  /* CTA */
  .contact-cta {
    position: relative;
    padding-top: clamp(72px, 8vw, 110px);
    padding-bottom: clamp(72px, 8vw, 110px);
    overflow: hidden;
  }

  .contact-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      linear-gradient(rgba(200, 169, 106, 0.045) 1px, transparent 1px),
      linear-gradient(90deg, rgba(200, 169, 106, 0.04) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9), transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.9), transparent 75%);
  }

  .contact-cta .container-xl {
    position: relative;
    z-index: 2;
  }

  .cta-card {
    border-radius: 22px;
    padding: clamp(30px, 6vw, 54px);
    background: linear-gradient(135deg, rgba(14, 123, 255, 0.15), rgba(49, 215, 255, 0.07)), rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(184, 219, 255, 0.18);
    backdrop-filter: blur(14px);
    text-align: center;
    max-width: 920px;
    margin: 0 auto;
    box-shadow: 0 30px 90px -40px rgba(14, 123, 255, 0.55);
  }

  .cta-card .cta-kicker {
    color: var(--gold);
    font-size: 13px;
    letter-spacing: 0.12em;
    margin-bottom: 14px;
  }

  .cta-card h2 {
    font-size: clamp(22px, 2.8vw, 31px);
    font-weight: 700;
    line-height: 1.45;
    color: #fff;
    margin-bottom: 18px;
  }

  .cta-card p {
    max-width: 660px;
    margin: 0 auto 26px;
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.9;
  }

  /* Footer */
  .site-footer {
    background: #030a14;
    border-top: 1px solid rgba(184, 219, 255, 0.08);
    color: var(--text-secondary);
  }

  .footer-top {
    padding-top: 62px;
    padding-bottom: 38px;
  }

  .footer-top .brand {
    margin-bottom: 20px;
  }

  .footer-top .brand-mark {
    width: 46px;
    height: 46px;
    font-size: 16px;
    border-radius: 13px;
  }

  .footer-top .brand-text {
    font-size: 18px;
  }

  .footer-top > p,
  .footer-top p.footer-desc {
    color: var(--text-weak);
    font-size: 14px;
    line-height: 1.9;
    max-width: 360px;
    margin-top: 12px;
  }

  .footer-title {
    color: #D5E0EF;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
  }

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

  .footer-links a {
    color: var(--text-weak);
    font-size: 14px;
    transition: color 0.2s ease;
  }

  .footer-links a:hover {
    color: var(--cyan);
  }

  .footer-bottom {
    border-top: 1px solid rgba(184, 219, 255, 0.07);
    padding: 20px 0 28px;
    font-size: 13px;
    color: var(--text-weak);
  }

  /* 右下角浮窗 */
  .float-cta {
    position: fixed;
    right: 28px;
    bottom: 28px;
    z-index: 88;
    background: var(--cta-grad);
    border-radius: 999px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    padding: 12px 22px;
    box-shadow: var(--cta-shadow);
    transition: transform 0.25s ease, opacity 0.25s ease, visibility 0.25s ease;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
  }

  .float-cta.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .float-cta i {
    margin-right: 6px;
  }

  .mobile-bar {
    display: none;
  }

  .mobile-bar a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
  }

  /* 响应式 */
  @media (max-width: 1024px) {
    .nav-links,
    .header-actions-cta {
      display: none;
    }

    .mobile-menu-btn {
      display: inline-flex;
    }

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

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

    .metrics-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
    }

    .scene-wrap {
      grid-template-columns: 1fr;
      gap: 42px;
    }

    .scene-visual {
      order: 1;
    }

    .scene-copy {
      order: 2;
    }
  }

  @media (max-width: 730px) {
    .header-inner {
      min-height: 68px;
    }

    .brand-mark {
      width: 42px;
      height: 42px;
      font-size: 15px;
    }

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

    .mobile-menu-btn {
      width: 42px;
      height: 42px;
    }

    .page-banner {
      padding: 88px 0 52px;
    }

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

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

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

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

    .metric-item {
      padding: 22px;
    }

    .photo-frame img {
      min-height: 280px;
    }

    .float-cta {
      display: none;
    }

    .mobile-bar {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 120;
      display: grid;
      grid-template-columns: 1fr 1fr;
      background: rgba(5, 13, 26, 0.88);
      backdrop-filter: blur(18px);
      border-top: 1px solid var(--gold-line);
      height: 58px;
      padding: 6px;
      gap: 6px;
    }

    .mobile-bar a {
      border-radius: 10px;
      font-size: 14px;
      font-weight: 600;
      min-height: 44px;
    }

    .mobile-bar a:first-child {
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-main);
      border: 1px solid var(--line-glass);
    }

    .mobile-bar a:last-child {
      background: var(--cta-grad);
      color: #fff;
      box-shadow: var(--cta-shadow);
    }

    body {
      padding-bottom: 0;
    }

    .faq-q {
      font-size: 15px;
      padding: 14px 18px;
    }

    .section-title {
      -webkit-hyphens: auto;
      hyphens: auto;
    }
  }

  @media (max-width: 520px) {
    .footer-top .grid-x .cell {
      flex: 0 0 100%;
      max-width: 100%;
      margin-bottom: 30px;
    }
  }