:root {
    --red: #C90000;
    --red-dark: #A80000;
    --red-soft: rgba(201, 0, 0, .08);
    --ink: #1F2329;
    --muted: #5D6673;
    --light: #F6F7F9;
    --line: rgba(201, 0, 0, .12);
    --shadow: 0 12px 30px rgba(18, 28, 45, .08);
    --radius: 20px;
    --header-h: 76px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; padding-top: var(--header-h); background: #fff; color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 9999; padding: 10px 16px; background: #11151C; color: #fff; border-radius: 10px; }
.skip-link:focus { top: 12px; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 1000; background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-bottom: 1px solid rgba(201,0,0,.08); }
.header-inner { width: min(1400px, calc(100% - 40px)); min-height: var(--header-h); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { flex: 0 0 auto; display: inline-flex; align-items: center; }
.logo img { max-height: 52px; width: auto; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; flex-wrap: nowrap; white-space: nowrap; }
.nav-core a { padding: 9px 16px; border-radius: 999px; background: var(--light); color: var(--ink); font-weight: 700; font-size: 15px; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: var(--red); background: var(--red-soft); }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 22px; border-radius: 999px; background: linear-gradient(180deg, #F12B2B 0%, #C90000 55%, #A80000 100%); color: #fff; font-weight: 800; border: 0; box-shadow: 0 8px 18px rgba(201,0,0,.18); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(201,0,0,.24); }
.header-register { flex: 0 0 auto; }
.mobile-menu-button { display: none; width: 42px; height: 42px; padding: 10px; border: 0; background: var(--light); border-radius: 12px; }
.mobile-menu-button span { display: block; height: 2px; margin: 4px 0; background: var(--ink); border-radius: 2px; }
.drawer-overlay { position: fixed; inset: 0; z-index: 1200; background: rgba(17,21,28,.48); opacity: 0; transition: opacity .2s ease; }
.drawer-overlay.show { opacity: 1; }
.mobile-drawer { position: fixed; left: 0; top: 0; bottom: 0; z-index: 1300; width: min(84vw, 320px); background: #fff; transform: translateX(-105%); transition: transform .25s ease; box-shadow: 20px 0 50px rgba(17,21,28,.16); overflow-y: auto; }
.mobile-drawer.open { transform: translateX(0); }
.drawer-head { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; background: #fff; border-bottom: 1px solid #eceff3; }
.drawer-logo img { max-height: 46px; width: auto; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: var(--light); color: var(--ink); font-size: 26px; line-height: 1; }
.mobile-drawer nav { padding: 12px; }
.mobile-drawer nav a { display: block; margin: 4px 0; padding: 11px 14px; border-radius: 12px; font-weight: 700; }
.mobile-drawer nav a:hover, .mobile-drawer nav a.active { color: var(--red); background: var(--red-soft); }
.site-main { min-height: 70vh; }
.layout-shell { width: min(1400px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 190px minmax(0, 1fr); gap: 28px; align-items: start; }
.side-category { position: sticky; top: 96px; margin: 24px 0 40px; max-height: calc(100vh - 118px); overflow-y: auto; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); padding: 14px; }
.side-category-title { padding: 4px 8px 10px; color: var(--red); font-weight: 900; font-size: 16px; }
.side-category nav { display: grid; gap: 4px; }
.side-category a { padding: 8px 10px; border-radius: 11px; color: var(--ink); font-size: 14px; line-height: 1.4; }
.side-category a:hover, .side-category a.active { color: var(--red); background: var(--red-soft); font-weight: 800; }
.content-column { min-width: 0; padding: 24px 0 60px; }
.section-block { margin-bottom: 34px; }
.section-heading { max-width: 780px; margin-bottom: 20px; }
.section-heading h2, .content-panel h2, .compliance-panel h2, .page-hero h1 { margin: 8px 0 12px; color: var(--red); line-height: 1.25; }
.section-heading h2, .content-panel h2, .compliance-panel h2 { font-size: clamp(26px, 3vw, 38px); }
.section-heading p, .content-panel p, .page-hero p { margin: 0 0 12px; color: var(--muted); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--red); font-size: 13px; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 999px; background: var(--red); }
.page-hero { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, .95fr); gap: 34px; align-items: center; min-height: 390px; padding: clamp(28px, 5vw, 58px); border-radius: 26px; background: linear-gradient(135deg, #fff 0%, #fff 48%, #f7f8fa 100%); border: 1px solid var(--line); box-shadow: var(--shadow); overflow: hidden; }
.page-hero h1 { font-size: clamp(36px, 5.3vw, 62px); letter-spacing: -.04em; }
.page-hero p { max-width: 700px; font-size: 17px; }
.page-hero-media { min-height: 280px; display: flex; align-items: center; justify-content: center; border-radius: 22px; background: #f7f8fa; overflow: hidden; }
.page-hero-media img { width: 100%; height: 300px; object-fit: contain; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; align-items: center; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--red); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.text-link.light { color: #fff; }
.banner-slider { position: relative; overflow: hidden; min-height: 260px; max-height: 360px; border-radius: 24px; background: #f7f8fa; box-shadow: var(--shadow); }
.slider-track { position: relative; height: clamp(260px, 31vw, 360px); }
.slide { position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .55s ease; }
.slide.active { opacity: 1; pointer-events: auto; }
.slide img { width: 100%; height: 100%; object-fit: contain; background: #f7f8fa; }
.slider-arrow { position: absolute; top: 50%; z-index: 2; width: 44px; height: 44px; transform: translateY(-50%); border: 0; border-radius: 50%; background: rgba(255,255,255,.9); color: var(--ink); font-size: 34px; line-height: 1; box-shadow: 0 8px 20px rgba(17,21,28,.14); cursor: pointer; }
.slider-arrow.prev { left: 16px; }.slider-arrow.next { right: 16px; }
.slider-dots { position: absolute; left: 50%; bottom: 14px; z-index: 2; transform: translateX(-50%); display: flex; gap: 8px; }
.slider-dots button { width: 10px; height: 10px; padding: 0; border: 0; border-radius: 50%; background: rgba(255,255,255,.72); box-shadow: 0 0 0 1px rgba(17,21,28,.14); cursor: pointer; }
.slider-dots button.active { width: 26px; border-radius: 999px; background: var(--red); }
.highlight-strip { display: grid; grid-template-columns: repeat(4, 1fr); border-radius: 22px; overflow: hidden; background: linear-gradient(135deg, #d81818, #a80000); box-shadow: 0 14px 30px rgba(201,0,0,.18); }
.highlight-item { display: flex; gap: 14px; min-height: 150px; padding: 24px; color: #fff; border-right: 1px solid rgba(255,255,255,.18); }
.highlight-item:last-child { border-right: 0; }
.highlight-number { font-size: 30px; font-weight: 900; opacity: .42; }
.highlight-item h2 { margin: 2px 0 8px; color: #fff; font-size: 18px; }
.highlight-item p { margin: 0; color: rgba(255,255,255,.82); font-size: 14px; line-height: 1.65; }
.content-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, .85fr); gap: 32px; align-items: center; padding: clamp(24px, 4vw, 42px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.content-panel.reverse .content-panel-copy { order: 2; }.content-panel.reverse .content-panel-media { order: 1; }
.content-panel-media { border-radius: 18px; overflow: hidden; background: #f7f8fa; min-height: 230px; display: flex; align-items: center; justify-content: center; }
.content-panel-media img { width: 100%; height: 270px; object-fit: contain; }
.check-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-left: 28px; color: var(--muted); }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--red-soft); color: var(--red); text-align: center; line-height: 20px; font-weight: 900; }
.inline-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.inline-links a { padding: 8px 13px; color: var(--red); background: var(--red-soft); border-radius: 999px; font-weight: 800; font-size: 14px; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.info-card { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.info-card > img { width: 100%; height: 176px; object-fit: contain; background: #f7f8fa; }
.info-card-body { padding: 20px; }
.info-card h3 { margin: 0 0 8px; color: var(--red); font-size: 20px; }
.info-card p { margin: 0 0 14px; color: var(--muted); }
.quick-link-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.quick-link-grid a { display: flex; flex-direction: column; min-height: 112px; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 8px 22px rgba(18,28,45,.06); }
.quick-link-grid a:hover { border-color: rgba(201,0,0,.32); transform: translateY(-2px); }
.quick-link-grid strong { color: var(--red); font-size: 18px; }.quick-link-grid span { color: var(--muted); font-size: 14px; }
.soft-section { padding: clamp(24px, 4vw, 40px); background: var(--light); border-radius: 22px; }
.steps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.step-card { position: relative; padding: 22px; background: #fff; border-radius: 16px; border: 1px solid rgba(17,21,28,.06); }
.step-card > span { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: var(--red); color: #fff; font-weight: 900; }
.step-card h3 { margin: 14px 0 8px; color: var(--ink); font-size: 18px; }.step-card p { margin: 0; color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.review-card { margin: 0; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.review-card p { margin: 0 0 16px; color: var(--ink); }.review-card footer { color: var(--muted); font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.faq-list summary { cursor: pointer; list-style: none; padding: 17px 20px; color: var(--ink); font-weight: 800; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; float: right; color: var(--red); font-size: 22px; line-height: 1; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 20px 19px; color: var(--muted); }
.compliance-panel { display: grid; grid-template-columns: minmax(260px,.8fr) minmax(0,1.2fr) auto; gap: 28px; align-items: center; padding: clamp(26px, 4vw, 42px); border-radius: 22px; background: #11151C; color: #e7ecf3; }
.compliance-panel h2 { color: #fff; font-size: clamp(24px,3vw,34px); }.compliance-panel p { margin: 0; color: #b9c1cc; }
.site-footer { background: #11151C; color: #e7ecf3; }
.footer-inner { width: min(1400px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 30px; padding: 48px 0 34px; }
.footer-brand img { max-height: 52px; width: auto; margin-bottom: 16px; }.footer-brand p { max-width: 480px; color: #aeb7c4; }
.site-footer h2 { margin: 0 0 12px; color: #fff; font-size: 17px; }.site-footer a { display: block; margin: 7px 0; color: #cbd2dc; }.site-footer a:hover { color: #fff; }
.footer-bottom { width: min(1400px, calc(100% - 40px)); margin: 0 auto; display: flex; justify-content: space-between; gap: 20px; padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,.1); color: #8f99a7; font-size: 13px; }.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }
.notice-bar { padding: 14px 18px; margin-bottom: 24px; border-radius: 14px; background: #fff7f7; border: 1px solid var(--line); color: #7f1a1a; }
.home-intro { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(300px,.9fr); gap: 30px; align-items: center; padding: clamp(26px,4vw,44px); border: 1px solid var(--line); border-radius: 22px; box-shadow: var(--shadow); }
.home-intro img { width: 100%; height: 280px; object-fit: contain; background: #f7f8fa; border-radius: 18px; }
.home-intro h1 { margin: 8px 0 14px; color: var(--red); font-size: clamp(34px,5vw,56px); line-height: 1.2; }
.home-intro p { color: var(--muted); }
.horizontal-scroll { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(230px, 1fr); gap: 16px; overflow-x: auto; padding-bottom: 8px; scroll-snap-type: x proximity; }
.horizontal-scroll .info-card { scroll-snap-align: start; }
@media (max-width: 1180px) {
    .layout-shell { grid-template-columns: 170px minmax(0,1fr); gap: 20px; }
    .nav-core a { padding: 8px 12px; font-size: 14px; }
    .card-grid.four { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .highlight-strip { grid-template-columns: repeat(2,1fr); }
    .highlight-item:nth-child(2) { border-right: 0; }.highlight-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.18); }
    .compliance-panel { grid-template-columns: 1fr; }
}
@media (max-width: 980px) {
    :root { --header-h: 66px; }
    body { padding-top: var(--header-h); }
    .header-inner { width: calc(100% - 24px); gap: 10px; min-height: var(--header-h); }
    .mobile-menu-button { display: block; flex: 0 0 auto; }
    .logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .logo img { max-height: 44px; }
    .nav-core { display: none; }
    .header-register { min-height: 40px; padding: 8px 16px; margin-left: auto; }
    .layout-shell { width: min(100% - 24px, 900px); display: block; }
    .side-category { display: none; }
    .content-column { padding-top: 18px; }
    .page-hero, .home-intro, .content-panel { grid-template-columns: 1fr; }
    .page-hero-media { min-height: 200px; }.page-hero-media img, .content-panel-media img, .home-intro img { height: 240px; }
    .content-panel.reverse .content-panel-copy, .content-panel.reverse .content-panel-media { order: initial; }
    .footer-inner { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 720px) {
    body { padding-bottom: 70px; }
    .layout-shell, .footer-inner, .footer-bottom { width: calc(100% - 24px); }
    .content-column { padding-bottom: 34px; }
    .section-block { margin-bottom: 24px; }
    .page-hero { min-height: auto; padding: 24px 20px; border-radius: 20px; }
    .page-hero h1, .home-intro h1 { font-size: 34px; }
    .page-hero p { font-size: 15px; }
    .page-hero-media img, .content-panel-media img, .home-intro img { height: 200px; }
    .banner-slider { min-height: 160px; border-radius: 16px; }.slider-track { height: clamp(160px, 52vw, 210px); }
    .slider-arrow { width: 38px; height: 38px; font-size: 28px; }.slider-arrow.prev { left: 8px; }.slider-arrow.next { right: 8px; }
    .highlight-strip, .card-grid, .card-grid.four, .quick-link-grid, .steps-grid, .review-grid { grid-template-columns: 1fr; }
    .highlight-item { min-height: auto; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }.highlight-item:last-child { border-bottom: 0; }
    .content-panel, .home-intro { padding: 22px 18px; gap: 22px; border-radius: 18px; }
    .info-card > img { height: 158px; }
    .footer-inner { grid-template-columns: 1fr 1fr; padding-top: 36px; }.footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; padding-bottom: 18px; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 1100; display: grid; grid-template-columns: repeat(4,1fr); min-height: 62px; background: rgba(255,255,255,.98); border-top: 1px solid #e5e8ed; box-shadow: 0 -8px 24px rgba(17,21,28,.08); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: #626b77; font-size: 12px; font-weight: 700; }
    .mobile-bottom-nav a span { font-size: 15px; font-weight: 900; }.mobile-bottom-nav a.active { color: var(--red); }
    .horizontal-scroll { grid-auto-columns: minmax(220px, 82vw); }
}
@media (max-width: 420px) {
    .footer-inner { grid-template-columns: 1fr; }.footer-brand { grid-column: auto; }
    .main-btn { padding-left: 18px; padding-right: 18px; }
}
