:root {
  --bg: #F5F8FC;
  --ink: #263748;
  --muted: #657789;
  --soft: #8C9AAA;
  --title: #102033;
  --blue: #3B82F6;
  --deep: #172B4D;
  --ice: #38BDF8;
  --cyan: #22D3C5;
  --violet: #6366F1;
  --line: rgba(59,130,246,0.14);
  --shadow: 0 20px 50px rgba(29,78,119,0.10);
  --radius: 24px;
  --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: #2563EB; text-decoration: none; }
a:hover { color: #1D4ED8; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid rgba(56,189,248,.55); outline-offset: 3px; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20000; background: white; 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(10,24,42,0.94); backdrop-filter: blur(16px); box-shadow: 0 8px 28px rgba(10,35,60,0.12); border-bottom: 1px solid rgba(255,255,255,0.08); }
.header-inner { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; letter-spacing: .03em; flex: 0 0 auto; }
.site-logo:hover { color: #fff; }
.site-logo img { width: auto; max-width: 126px; max-height: 44px; object-fit: contain; }
.site-logo span { white-space: nowrap; }
.nav-core { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-core a { color: #DCEAF7; text-decoration: none; border-radius: 999px; padding: 8px 11px; font-size: 14px; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(56,189,248,0.14); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 999px; background: linear-gradient(135deg, #2563EB 0%, #3B82F6 48%, #22D3C5 100%); color: #fff; box-shadow: 0 14px 32px rgba(37,99,235,0.20); font-weight: 700; border: 0; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 18px 36px rgba(37,99,235,0.25); }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.15); background: rgba(255,255,255,.06); border-radius: 14px; cursor: pointer; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.menu-toggle span { width: 18px; height: 2px; background: #EAF4FF; border-radius: 999px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,17,30,.48); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; bottom: 0; z-index: 10001; width: min(390px, 88vw); padding: 22px; background: #10243A; color: #EAF4FF; transform: translateX(102%); transition: transform .28s ease; overflow-y: auto; box-shadow: -28px 0 60px rgba(4,18,34,.22); }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; }
.drawer-brand img { max-width: 120px; max-height: 40px; object-fit: contain; }
.drawer-close { border: 0; background: rgba(255,255,255,.08); color: #fff; width: 42px; height: 42px; border-radius: 14px; font-size: 26px; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.drawer-nav a { color: #DCEAF7; padding: 10px 12px; border: 1px solid rgba(255,255,255,.08); border-radius: 13px; background: rgba(255,255,255,.035); }
.drawer-nav a:hover { background: rgba(56,189,248,.12); color: #fff; }
.drawer-note { margin-top: 20px; color: #B9CDE0; font-size: 13px; padding: 14px; border-left: 2px solid var(--ice); background: rgba(255,255,255,.04); border-radius: 8px 14px 14px 8px; }
.mobile-bottom-nav { display: none; }

main { min-height: 60vh; }
.container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.section { padding: 74px 0; }
.section-sm { padding: 48px 0; }
.section-kicker { color: #0284C7; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.section-title { margin: 8px 0 16px; color: var(--title); font-size: clamp(28px, 4vw, 46px); line-height: 1.18; letter-spacing: -.02em; }
.section-lead { max-width: 760px; color: var(--muted); font-size: 17px; }
.text-link { font-weight: 700; color: #2563EB; }

.hero { position: relative; overflow: hidden; padding: 68px 0 72px; background: linear-gradient(135deg, #F8FBFF 0%, #EAF5FF 45%, #E8FCFA 100%); }
.hero::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: rgba(56,189,248,.17); filter: blur(12px); right: -120px; top: -180px; }
.hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(37,99,235,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(37,99,235,.045) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 78%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.hero-copy h1 { font-size: clamp(54px, 7vw, 92px); line-height: .98; letter-spacing: -.055em; margin: 12px 0 18px; color: #0C2240; }
.hero-subtitle { margin: 0 0 18px; font-size: clamp(24px, 3vw, 36px); line-height: 1.35; color: #17385E; font-weight: 800; }
.hero-copy p { color: #50677B; font-size: 16px; max-width: 680px; }
.hero-actions { display: flex; align-items: center; gap: 16px; margin-top: 26px; flex-wrap: wrap; }
.secondary-link { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border: 1px solid rgba(37,99,235,.18); border-radius: 999px; background: rgba(255,255,255,.6); font-weight: 700; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.hero-points span { background: rgba(255,255,255,.7); border: 1px solid rgba(59,130,246,.12); color: #214469; border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.hero-visual .hero-main { width: 92%; max-height: 500px; object-fit: contain; border-radius: 30px; box-shadow: 0 34px 70px rgba(30,79,126,.18); border: 1px solid rgba(255,255,255,.85); }
.hero-float { position: absolute; width: 38%; max-height: 250px; object-fit: contain; border-radius: 24px; border: 8px solid rgba(255,255,255,.88); box-shadow: 0 22px 50px rgba(26,73,112,.18); }
.hero-float.one { left: -2%; bottom: 2%; transform: rotate(-3deg); }
.hero-float.two { right: -3%; top: 4%; width: 30%; transform: rotate(3deg); }

.highlight-strip { margin-top: -24px; position: relative; z-index: 2; }
.highlight-inner { display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(255,255,255,.84); backdrop-filter: blur(18px); border: 1px solid rgba(59,130,246,.12); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 22px 24px; position: relative; }
.highlight-item + .highlight-item { border-left: 1px solid rgba(59,130,246,.10); }
.highlight-item .num { display: block; color: #0EA5E9; font-size: 11px; font-weight: 900; letter-spacing: .16em; margin-bottom: 5px; }
.highlight-item strong { display: block; color: var(--title); margin-bottom: 4px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; max-width: 320px; padding: 14px 16px; border-radius: 22px; background: rgba(255,255,255,.78); border: 1px solid var(--line); box-shadow: 0 10px 28px rgba(35,82,120,.05); }
.channel-pill strong { display: block; color: #17385E; margin-bottom: 3px; }
.channel-pill span { display: block; color: var(--muted); font-size: 13px; line-height: 1.55; min-height: 40px; }
.channel-pill a { font-size: 13px; font-weight: 700; }

.editorial { display: grid; grid-template-columns: .9fr 1.1fr; gap: 54px; align-items: center; }
.editorial.reverse { grid-template-columns: 1.1fr .9fr; }
.editorial.reverse .editorial-media { order: 2; }
.editorial-media { position: relative; }
.editorial-media::before { content: ""; position: absolute; inset: 8% -5% -7% 7%; border-radius: 32px; background: linear-gradient(135deg, #E9F5FF, #E8FCFA); z-index: 0; }
.editorial-media img { position: relative; z-index: 1; width: 100%; max-height: 520px; object-fit: contain; border-radius: 28px; box-shadow: var(--shadow); }
.editorial-copy p { color: var(--muted); }
.editorial-number { display: inline-flex; align-items: center; justify-content: center; min-width: 56px; height: 34px; border-radius: 999px; background: #E9F5FF; color: #2563EB; font-size: 12px; font-weight: 900; letter-spacing: .12em; }
.micro-list { display: grid; gap: 10px; margin: 20px 0; }
.micro-list div { padding: 12px 14px; border-left: 3px solid var(--ice); background: rgba(255,255,255,.58); border-radius: 6px 16px 16px 6px; color: #456078; }

.split-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 24px; }
.split-panel { border-radius: 30px; padding: 34px; overflow: hidden; min-height: 100%; }
.split-panel.blue { background: #EEF7FF; }
.split-panel.cyan { background: #E8FCFA; }
.split-panel.white { background: rgba(255,255,255,.9); border: 1px solid var(--line); box-shadow: var(--shadow); }
.split-panel.deep { background: #12253A; color: #DCEAF7; }
.split-panel.deep h2, .split-panel.deep h3 { color: #fff; }
.split-panel img { width: 100%; max-height: 360px; object-fit: contain; border-radius: 24px; margin-bottom: 22px; }
.split-panel h2 { margin: 0 0 12px; color: var(--title); font-size: 30px; }
.split-panel p { margin: 0 0 14px; color: var(--muted); }
.split-panel.deep p { color: #BFD0E0; }
.point-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.point-row span { padding: 7px 10px; border-radius: 999px; background: rgba(37,99,235,.07); color: #27567E; font-size: 12px; }
.deep .point-row span { background: rgba(56,189,248,.10); color: #BDEBFA; }

.service-trio { display: grid; grid-template-columns: 1fr .88fr 1.12fr; gap: 22px; align-items: stretch; }
.service-block { padding: 26px; border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 42px rgba(30,78,118,.07); }
.service-block:nth-child(2) { background: #F0F4F8; }
.service-block:nth-child(3) { background: #EEF7FF; }
.service-block img { width: 100%; max-height: 250px; object-fit: contain; border-radius: 20px; margin-bottom: 18px; }
.service-block h3 { color: var(--title); font-size: 23px; margin: 0 0 10px; }
.service-block p { color: var(--muted); }
.date-list { display: grid; gap: 10px; margin: 16px 0; }
.date-list div { display: grid; grid-template-columns: 70px 1fr; gap: 12px; align-items: center; padding: 9px 0; border-bottom: 1px solid rgba(23,43,77,.08); }
.date-list b { color: #2563EB; font-size: 12px; }

.safety-band { background: linear-gradient(120deg, #EAF5FF, #F8FBFF 48%, #E8FCFA); border-top: 1px solid rgba(59,130,246,.08); border-bottom: 1px solid rgba(59,130,246,.08); }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { padding: 28px; border-radius: 28px; background: rgba(255,255,255,.76); border: 1px solid rgba(59,130,246,.12); }
.safety-card img { max-height: 300px; object-fit: contain; margin: 0 auto 18px; border-radius: 22px; }
.safety-card h3 { color: var(--title); font-size: 25px; margin: 0 0 8px; }
.safety-card p { color: var(--muted); }

.reviews-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: start; }
.review-card { background: rgba(255,255,255,.90); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; padding: 24px; }
.review-card:nth-child(2n) { margin-top: 24px; }
.review-card p { margin: 0; color: #40566C; }
.review-card footer { margin-top: 14px; color: #7A8B9C; font-size: 12px; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 18px; box-shadow: 0 10px 30px rgba(30,78,118,.05); }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; font-weight: 800; color: #17385E; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 16px; color: #2563EB; font-size: 22px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 18px; color: var(--muted); }
.notice-panel { padding: 28px 32px; border-radius: 28px; background: #12253A; color: #D8E9F7; display: grid; grid-template-columns: auto 1fr; gap: 20px; align-items: start; }
.notice-panel .notice-mark { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: rgba(56,189,248,.12); color: #7DD3FC; font-weight: 900; }
.notice-panel h2 { color: #fff; margin: 0 0 8px; font-size: 25px; }
.notice-panel p { margin: 0; color: #BED1E2; }

/* Inner pages */
.inner-hero { padding: 66px 0 54px; background: linear-gradient(135deg, #F8FBFF 0%, #ECF6FF 52%, #ECFBFA 100%); position: relative; overflow: hidden; }
.inner-hero::after { content: ""; position: absolute; width: 340px; height: 340px; border-radius: 50%; right: -100px; bottom: -180px; background: rgba(99,102,241,.10); }
.inner-hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.03fr .97fr; gap: 44px; align-items: center; }
.inner-hero h1 { color: var(--title); font-size: clamp(40px, 6vw, 68px); line-height: 1.04; margin: 10px 0 18px; letter-spacing: -.04em; }
.inner-hero p { color: #526A80; font-size: 17px; }
.inner-hero img { width: 100%; max-height: 440px; object-fit: contain; border-radius: 28px; box-shadow: var(--shadow); background: rgba(255,255,255,.5); }
.trust-chips { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.trust-chips span { font-size: 12px; padding: 6px 10px; border: 1px solid rgba(37,99,235,.12); border-radius: 999px; background: rgba(255,255,255,.62); color: #315B7D; }
.page-content { padding: 66px 0 76px; }
.content-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 34px; align-items: start; }
.article-flow { display: grid; gap: 24px; }
.article-section { padding: 28px 30px; border-radius: 26px; background: rgba(255,255,255,.88); border: 1px solid var(--line); box-shadow: 0 16px 42px rgba(30,78,118,.06); }
.article-section:nth-child(even) { background: #EEF7FF; }
.article-section h2 { margin: 0 0 12px; color: var(--title); font-size: 27px; }
.article-section p { margin: 0 0 12px; color: #536A7F; }
.article-section p:last-child { margin-bottom: 0; }
.topic-points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 16px; }
.topic-points span { padding: 12px; border-radius: 16px; background: rgba(255,255,255,.72); border: 1px solid rgba(59,130,246,.10); color: #315B7D; font-size: 13px; }
.page-aside { position: sticky; top: 96px; display: grid; gap: 16px; }
.aside-card { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: 0 16px 40px rgba(30,78,118,.06); }
.aside-card h2 { margin: 0 0 10px; color: var(--title); font-size: 20px; }
.aside-card p { color: var(--muted); font-size: 14px; }
.aside-links { display: grid; gap: 8px; }
.aside-links a { padding: 9px 10px; border-radius: 12px; background: #F6FAFE; font-weight: 700; font-size: 13px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.step { border-radius: 20px; padding: 18px; background: #F7FAFD; border: 1px solid rgba(59,130,246,.10); }
.step b { display: block; color: #2563EB; font-size: 12px; margin-bottom: 6px; }
.step strong { color: var(--title); }
.step p { margin: 7px 0 0; font-size: 14px; }
.page-feedback { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.page-feedback blockquote { margin: 0; padding: 18px; border-radius: 18px; background: #F7FAFD; border: 1px solid rgba(59,130,246,.10); color: #536A7F; }
.page-feedback cite { display: block; margin-top: 8px; font-size: 12px; color: #8A99A8; font-style: normal; }

/* Layout-specific accents */
.layout-brand .inner-hero { background: linear-gradient(125deg, #F7FBFF, #EAF5FF 55%, #EEF0FF); }
.layout-brand .article-section:first-child { border-left: 5px solid #6366F1; }
.layout-vlog .inner-hero-grid { grid-template-columns: .92fr 1.08fr; }
.layout-vlog .article-section:nth-child(3n) { background: #12253A; }
.layout-vlog .article-section:nth-child(3n) h2 { color: #fff; }
.layout-vlog .article-section:nth-child(3n) p { color: #C6D6E4; }
.layout-social .inner-hero { background: linear-gradient(135deg, #F7FBFF, #E8FCFA); }
.layout-social .article-flow { gap: 18px; }
.layout-match .topic-points span { border-radius: 999px; text-align: center; background: #EEF7FF; }
.layout-chat .article-section { border-radius: 18px 30px 30px 30px; }
.layout-chat .article-section:nth-child(even) { border-radius: 30px 18px 30px 30px; background: #E8FCFA; }
.layout-community .article-section:nth-child(odd) { border-left: 4px solid #22D3C5; }
.layout-discover .article-flow { counter-reset: discover; }
.layout-discover .article-section { position: relative; padding-left: 72px; }
.layout-discover .article-section::before { counter-increment: discover; content: "0" counter(discover); position: absolute; left: 24px; top: 29px; color: #38BDF8; font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.layout-activity .article-section { box-shadow: none; border-left: 4px solid #3B82F6; }
.layout-app .inner-hero img, .layout-download .inner-hero img, .layout-account .inner-hero img { max-height: 520px; }
.layout-safety .article-section:nth-child(odd), .layout-privacy .article-section:nth-child(odd) { background: #EEF7FF; }
.layout-help .article-section, .layout-service .article-section { box-shadow: none; }
.layout-contact .article-section:first-child { background: #E8FCFA; }
.layout-responsible .inner-hero { background: linear-gradient(135deg, #F7FBFF, #F0F4F8); }
.layout-about .article-section:nth-child(2) { background: #12253A; }
.layout-about .article-section:nth-child(2) h2 { color: #fff; }
.layout-about .article-section:nth-child(2) p { color: #C3D4E3; }
.layout-faq .content-grid { grid-template-columns: 1fr; }
.layout-faq .page-aside { position: static; grid-template-columns: repeat(3, 1fr); }

.site-footer { background: #0C1B2A; color: #EAF4FF; padding: 58px 0 0; }
.footer-inner { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; display: grid; grid-template-columns: 1.1fr 2fr; gap: 54px; }
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 800; }
.footer-logo img { max-width: 126px; max-height: 44px; object-fit: contain; }
.footer-brand p { color: #AFC3D5; max-width: 430px; }
.footer-links { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.footer-links section { display: flex; flex-direction: column; gap: 8px; }
.footer-links h2 { color: #fff; font-size: 15px; margin: 0 0 7px; }
.footer-links a { color: #BFD2E2; font-size: 13px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); margin-top: 42px; padding: 18px 22px; text-align: center; color: #8FA8BC; font-size: 12px; }

@media (max-width: 1080px) {
  .nav-core { gap: 2px; }
  .nav-core a { padding: 7px 8px; font-size: 13px; }
  .hero-grid, .editorial, .editorial.reverse, .inner-hero-grid { gap: 30px; }
  .service-trio { grid-template-columns: 1fr 1fr; }
  .service-block:last-child { grid-column: span 2; display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: center; }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 880px) {
  .nav-core, .desktop-menu-toggle { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .header-inner { min-height: 66px; padding: 0 14px; }
  .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .site-logo span { display: none; }
  .site-logo img { max-width: 108px; max-height: 38px; }
  .header-actions { margin-left: auto; }
  .header-cta { min-height: 38px; padding: 0 13px; font-size: 13px; }
  .hero { padding-top: 44px; }
  .hero-grid, .inner-hero-grid, .editorial, .editorial.reverse, .split-grid, .safety-grid, .content-grid { grid-template-columns: 1fr; }
  .editorial.reverse .editorial-media { order: 0; }
  .hero-copy h1 { font-size: clamp(50px, 16vw, 72px); }
  .hero-visual { min-height: 420px; }
  .hero-float.one { left: 1%; }
  .hero-float.two { right: 0; }
  .highlight-inner { grid-template-columns: 1fr 1fr; }
  .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(59,130,246,.10); }
  .highlight-item:nth-child(4) { border-top: 1px solid rgba(59,130,246,.10); }
  .reviews-grid { grid-template-columns: 1fr 1fr; }
  .page-aside { position: static; grid-template-columns: 1fr 1fr; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .mobile-bottom-nav { position: fixed; z-index: 9000; left: 12px; right: 12px; bottom: calc(10px + env(safe-area-inset-bottom)); min-height: 58px; border-radius: 22px; background: rgba(12,27,42,.94); backdrop-filter: blur(16px); box-shadow: 0 18px 46px rgba(7,23,38,.25); display: grid; grid-template-columns: repeat(4, 1fr); padding: 7px; border: 1px solid rgba(255,255,255,.08); }
  .mobile-bottom-nav a { display: grid; place-items: center; color: #DCEAF7; border-radius: 16px; font-size: 12px; }
  .mobile-bottom-nav a:hover { background: rgba(56,189,248,.12); color: #fff; }
  body { padding-bottom: 84px; }
}
@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .section { padding: 54px 0; }
  .section-sm { padding: 38px 0; }
  .section-title { font-size: 31px; }
  .hero { padding: 38px 0 54px; }
  .hero-grid { gap: 20px; }
  .hero-subtitle { font-size: 24px; }
  .hero-copy p { font-size: 15px; }
  .hero-visual { min-height: 330px; }
  .hero-visual .hero-main { width: 96%; border-radius: 22px; }
  .hero-float { border-width: 5px; border-radius: 18px; }
  .highlight-strip { margin-top: -18px; }
  .highlight-inner { grid-template-columns: 1fr; border-radius: 20px; }
  .highlight-item + .highlight-item, .highlight-item:nth-child(3), .highlight-item:nth-child(4) { border-left: 0; border-top: 1px solid rgba(59,130,246,.10); }
  .channel-pill { flex-basis: 100%; max-width: none; }
  .split-panel { padding: 24px; border-radius: 24px; }
  .service-trio { grid-template-columns: 1fr; }
  .service-block:last-child { grid-column: auto; display: block; }
  .reviews-grid, .steps, .page-feedback, .topic-points { grid-template-columns: 1fr; }
  .review-card:nth-child(2n) { margin-top: 0; }
  .notice-panel { grid-template-columns: 1fr; padding: 24px; }
  .inner-hero { padding: 42px 0 36px; }
  .inner-hero h1 { font-size: 42px; }
  .inner-hero img { border-radius: 22px; }
  .page-content { padding: 44px 0 58px; }
  .article-section { padding: 23px 21px; border-radius: 22px; }
  .article-section h2 { font-size: 23px; }
  .page-aside, .layout-faq .page-aside { grid-template-columns: 1fr; }
  .layout-discover .article-section { padding-left: 54px; }
  .layout-discover .article-section::before { left: 18px; top: 25px; }
  .footer-inner { width: min(100% - 28px, var(--max)); }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 26px 16px; }
  .drawer-nav { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}