:root {
  --bg: #fff8f0;
  --ink: #2a1f1a;
  --muted: #75645a;
  --soft: #a9978c;
  --title: #24130c;
  --brand: #ff6b35;
  --deep: #2b1a3f;
  --mint: #00e5b0;
  --gold: #ffd166;
  --rose: #b8336a;
  --card: #ffffff;
  --line: rgba(255, 107, 53, .18);
  --shadow: 0 20px 46px rgba(97, 45, 16, .14);
  --radius: 24px;
  --shell: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.menu-open { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
.shell { width: min(calc(100% - 40px), var(--shell)); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(38, 20, 12, .94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(97, 45, 16, .16); }
.header-inner { width: min(calc(100% - 40px), 1280px); margin: 0 auto; min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 28px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff3e8; text-decoration: none; white-space: nowrap; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; }
.site-logo strong { font-size: 18px; letter-spacing: .02em; }
.nav-core { display: flex; justify-content: center; align-items: center; gap: 8px; min-width: 0; }
.nav-core a { color: #fff3e8; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; white-space: nowrap; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0, 229, 176, .16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 0; border-radius: 999px; color: #fff; font-weight: 700; text-decoration: none; background: linear-gradient(135deg, #ff6b35 0%, #ffb703 48%, #00e5b0 100%); box-shadow: 0 14px 32px rgba(255, 107, 53, .22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(255, 107, 53, .28); }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border-radius: 999px; border: 1px solid rgba(43, 26, 63, .18); color: var(--deep); background: rgba(255,255,255,.76); text-decoration: none; font-weight: 700; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08); border-radius: 14px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(20, 10, 6, .56); opacity: 0; visibility: hidden; transition: .25s ease; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px, 90vw); height: 100dvh; z-index: 10001; background: #fffaf4; padding: 24px; box-shadow: -24px 0 60px rgba(31,16,8,.24); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { border: 0; background: #f4e6dc; color: var(--title); width: 40px; height: 40px; border-radius: 50%; font-size: 28px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; border-radius: 14px; background: #fff; border: 1px solid var(--line); color: var(--title); font-weight: 700; }
.drawer-nav a:hover { background: #effffa; color: #9b3b21; }
.drawer-note { background: linear-gradient(135deg, #fff1c7, #effffa); border-radius: 18px; padding: 18px; color: var(--title); }
.drawer-note p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.section { padding: 88px 0; }
.section-sm { padding: 58px 0; }
.section-alt { background: linear-gradient(180deg, rgba(233,255,248,.72), rgba(255,241,199,.42)); }
.section-deep { background: linear-gradient(135deg, #24130c, #2b1a3f); color: #fff3e8; }
.section-title { color: var(--title); font-size: clamp(28px, 4vw, 46px); line-height: 1.2; margin: 8px 0 16px; letter-spacing: -.025em; }
.section-deep .section-title { color: #fff; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #9f4a21; font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.section-lead { max-width: 760px; color: var(--muted); font-size: 17px; margin: 0; }
.section-deep .section-lead { color: rgba(255,243,232,.78); }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: var(--radius); }
.hero { position: relative; overflow: hidden; padding: 78px 0 72px; background: radial-gradient(circle at 20% 10%, rgba(255,209,102,.46), transparent 32%), radial-gradient(circle at 80% 20%, rgba(0,229,176,.24), transparent 30%), linear-gradient(135deg, #fff1e5 0%, #f3ecff 46%, #e9fff8 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; left: -90px; bottom: -100px; background: rgba(255,107,53,.14); }
.hero::after { width: 210px; height: 210px; right: -40px; top: 40px; background: rgba(184,51,106,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center; }
.hero h1 { margin: 8px 0 18px; color: var(--title); font-size: clamp(46px, 7vw, 82px); line-height: 1; letter-spacing: -.05em; }
.hero-subtitle { margin: 0 0 18px; color: var(--deep); font-size: clamp(22px, 3vw, 34px); font-weight: 800; line-height: 1.35; }
.hero-copy { color: var(--muted); font-size: 17px; max-width: 700px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 28px 0 0; list-style: none; }
.hero-points li { background: rgba(255,255,255,.76); border: 1px solid rgba(255,107,53,.16); border-radius: 999px; padding: 8px 13px; color: var(--title); font-weight: 700; font-size: 14px; }
.hero-visual { position: relative; padding: 24px; border-radius: 34px; background: rgba(255,255,255,.5); border: 1px solid rgba(255,255,255,.8); box-shadow: 0 34px 80px rgba(63,30,83,.18); }
.hero-visual img { width: 100%; height: auto; object-fit: contain; max-height: 590px; }
.hero-chip { position: absolute; padding: 12px 16px; background: rgba(36,19,12,.92); color: #fff; border-radius: 16px; font-size: 13px; box-shadow: var(--shadow); }
.hero-chip.one { left: -24px; top: 20%; }
.hero-chip.two { right: -20px; bottom: 18%; background: rgba(184,51,106,.94); }
.highlight-strip { margin-top: -28px; position: relative; z-index: 5; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 20px; box-shadow: 0 16px 40px rgba(97,45,16,.12); }
.highlight-item strong { display: block; color: var(--title); font-size: 17px; margin-bottom: 6px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.channel-wrap { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.channel-pill { flex: 1 1 210px; min-width: 0; display: block; text-decoration: none; padding: 16px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--line); box-shadow: 0 10px 30px rgba(97,45,16,.08); }
.channel-pill strong { display: block; color: var(--title); }
.channel-pill span { display: block; color: var(--muted); font-size: 13px; margin-top: 2px; }
.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.media-split.reverse .media-copy { order: 2; }
.media-split.reverse .media-visual { order: 1; }
.media-visual { background: #fff; padding: 18px; border-radius: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.media-visual img { width: 100%; max-height: 480px; object-fit: contain; }
.media-copy p { color: var(--muted); }
.text-link { color: var(--brand); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 30px; }
.feature-card { padding: 24px; }
.feature-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#fff4e7,#effffa); border-radius: 18px; margin-bottom: 18px; }
.feature-card h3 { color: var(--title); margin: 0 0 8px; font-size: 22px; }
.feature-card p { color: var(--muted); margin: 0 0 12px; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; max-height: 340px; object-fit: contain; background: linear-gradient(135deg,#fff2e6,#f4efff); padding: 12px; }
.zone-body { padding: 28px; }
.zone-body h3 { margin: 0 0 12px; color: var(--title); font-size: 28px; }
.zone-body p, .zone-body li { color: var(--muted); }
.zone-body ul { padding-left: 20px; }
.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { padding: 28px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.13); border-radius: 24px; }
.security-card img { width: 100%; max-height: 260px; object-fit: contain; border-radius: 18px; background: rgba(255,255,255,.08); margin-bottom: 18px; }
.security-card h3 { color: #fff; margin: 0 0 10px; font-size: 26px; }
.security-card p { color: rgba(255,243,232,.78); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 28px; }
.review-card { padding: 24px; position: relative; }
.review-card::before { content: "“"; position: absolute; right: 20px; top: 6px; font-size: 60px; color: rgba(255,107,53,.13); font-family: serif; }
.review-card p { margin: 0 0 16px; color: var(--muted); }
.review-card strong { color: var(--title); }
.faq-list { display: grid; gap: 14px; margin-top: 28px; }
details.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 20px; box-shadow: 0 12px 30px rgba(97,45,16,.07); }
details.faq-item summary { cursor: pointer; padding: 18px 36px 18px 0; color: var(--title); font-weight: 800; list-style: none; position: relative; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 15px; font-size: 24px; color: var(--brand); }
details.faq-item[open] summary::after { content: "−"; }
details.faq-item p { color: var(--muted); margin: 0 0 20px; }
.compliance-box { display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; padding: 28px; border-radius: 24px; background: linear-gradient(135deg,#fff1c7,#effffa); border: 1px solid rgba(255,107,53,.16); }
.compliance-mark { width: 54px; height: 54px; border-radius: 18px; display: grid; place-items: center; background: var(--deep); color: #fff; font-weight: 900; }
.compliance-box h2 { margin: 0 0 8px; color: var(--title); font-size: 24px; }
.compliance-box p { margin: 0; color: var(--muted); }
.page-hero { padding: 72px 0 62px; background: radial-gradient(circle at 15% 10%, rgba(255,209,102,.42), transparent 28%), radial-gradient(circle at 85% 20%, rgba(0,229,176,.20), transparent 30%), linear-gradient(135deg,#fff4e8,#f4efff 48%,#effffa); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 44px; align-items: center; }
.page-hero h1 { color: var(--title); font-size: clamp(38px,5vw,66px); line-height: 1.1; margin: 10px 0 18px; letter-spacing: -.035em; }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero-visual { border-radius: 30px; padding: 20px; background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.page-hero-visual img { width: 100%; max-height: 460px; object-fit: contain; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--soft); font-size: 14px; }
.breadcrumbs a { color: var(--brand); text-decoration: none; }
.content-section { padding: 72px 0; }
.content-grid { display: grid; grid-template-columns: minmax(0,1fr) 340px; gap: 36px; align-items: start; }
.article-card { padding: 34px; }
.article-card + .article-card { margin-top: 22px; }
.article-card h2 { color: var(--title); margin: 0 0 14px; font-size: 30px; line-height: 1.25; }
.article-card p { color: var(--muted); margin: 0 0 14px; }
.side-stack { position: sticky; top: 100px; display: grid; gap: 18px; }
.side-card { padding: 24px; }
.side-card h2 { margin: 0 0 12px; color: var(--title); font-size: 22px; }
.side-card p, .side-card li { color: var(--muted); font-size: 15px; }
.side-card ul { margin: 0; padding-left: 18px; }
.service-list { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-top: 24px; }
.service-item { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--line); box-shadow: 0 14px 34px rgba(97,45,16,.08); }
.service-item h3 { color: var(--title); margin: 0 0 8px; }
.service-item p { color: var(--muted); margin: 0; font-size: 15px; }
.steps { counter-reset: step; display: grid; gap: 14px; margin-top: 20px; }
.step { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; gap: 14px; align-items: start; }
.step::before { content: counter(step); width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: linear-gradient(135deg,#ff6b35,#ffd166); color: #fff; font-weight: 900; }
.step strong { display: block; color: var(--title); margin-bottom: 3px; }
.step span { color: var(--muted); }
.experience-quote { padding: 26px; border-left: 5px solid var(--mint); border-radius: 18px; background: #effffa; color: var(--muted); }
.experience-quote strong { display: block; color: var(--title); margin-top: 10px; }
.site-footer { background: #1a0f0a; color: #fff3e8; padding-top: 58px; }
.footer-main { display: grid; grid-template-columns: 1fr 2fr; gap: 48px; }
.footer-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: #fff; font-size: 21px; font-weight: 900; }
.footer-logo img { width: 48px; height: 48px; object-fit: contain; }
.footer-brand p { color: rgba(255,243,232,.7); max-width: 420px; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.footer-links h2 { color: #fff; font-size: 16px; margin: 0 0 12px; }
.footer-links a { display: block; color: rgba(255,243,232,.72); text-decoration: none; margin: 8px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-notice { margin-top: 38px; padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); color: rgba(255,243,232,.68); font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding: 22px 0 28px; color: rgba(255,243,232,.56); font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .header-inner { gap: 14px; }
  .nav-core { gap: 2px; }
  .nav-core a { padding-inline: 9px; font-size: 14px; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .content-grid { grid-template-columns: 1fr 300px; }
}
@media (max-width: 900px) {
  .nav-core, .desktop-menu-toggle { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .header-inner { grid-template-columns: auto 1fr auto; width: min(calc(100% - 24px), 1280px); min-height: 66px; }
  .site-logo { justify-self: center; }
  .site-logo strong { display: none; }
  .header-actions { justify-self: end; }
  .header-cta { min-height: 40px; padding: 0 15px; font-size: 13px; }
  .hero-grid, .page-hero-grid, .media-split, .dual-grid, .security-grid, .footer-main { grid-template-columns: 1fr; }
  .media-split.reverse .media-copy, .media-split.reverse .media-visual { order: initial; }
  .hero { padding-top: 54px; }
  .hero-visual { max-width: 650px; margin: 0 auto; }
  .hero-chip.one { left: 8px; }
  .hero-chip.two { right: 8px; }
  .highlight-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid, .three-grid, .review-grid { grid-template-columns: 1fr 1fr; }
  .content-grid { grid-template-columns: 1fr; }
  .side-stack { position: static; grid-template-columns: 1fr 1fr; }
  .service-list { grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .shell { width: min(calc(100% - 28px), var(--shell)); }
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .section { padding: 64px 0; }
  .section-sm { padding: 44px 0; }
  .hero h1 { font-size: 52px; }
  .hero-subtitle { font-size: 24px; }
  .hero-copy, .page-hero p { font-size: 15px; }
  .hero-points { gap: 8px; }
  .hero-points li { font-size: 12px; }
  .hero-chip { display: none; }
  .highlight-strip { margin-top: -18px; }
  .highlight-grid, .feature-grid, .three-grid, .review-grid, .service-list, .side-stack { grid-template-columns: 1fr; }
  .channel-pill { flex-basis: 100%; border-radius: 20px; }
  .article-card { padding: 24px 20px; }
  .article-card h2 { font-size: 25px; }
  .page-hero { padding: 52px 0; }
  .page-hero h1 { font-size: 42px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-bottom { flex-direction: column; }
  .mobile-bottom-nav { position: fixed; z-index: 9000; left: 10px; right: 10px; bottom: 8px; display: grid; grid-template-columns: repeat(4,1fr); min-height: 58px; padding: 7px; border-radius: 20px; background: rgba(36,19,12,.95); backdrop-filter: blur(12px); box-shadow: 0 18px 42px rgba(36,19,12,.28); padding-bottom: max(7px, env(safe-area-inset-bottom)); }
  .mobile-bottom-nav a { display: grid; place-items: center; color: #fff3e8; text-decoration: none; font-size: 13px; border-radius: 14px; }
  .mobile-bottom-nav a:hover { background: rgba(0,229,176,.15); }
  .compliance-box { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}