:root {
    --bg: #F5F8FC;
    --nav: rgba(10,24,42,0.94);
    --title: #102033;
    --brand: #3B82F6;
    --deep: #172B4D;
    --ice: #38BDF8;
    --cyan: #22D3C5;
    --indigo: #6366F1;
    --soft-blue: #E9F5FF;
    --soft-cyan: #E8FCFA;
    --soft-gray: #F0F4F8;
    --highlight: #2563EB;
    --text: #263748;
    --muted: #657789;
    --hint: #8C9AAA;
    --card: #FFFFFF;
    --dark-card: #12253A;
    --line: rgba(59,130,246,0.14);
    --shadow: 0 20px 50px rgba(29,78,119,0.10);
    --gradient: linear-gradient(135deg, #2563EB 0%, #3B82F6 48%, #22D3C5 100%);
    --footer: #0C1B2A;
    --footer-text: #EAF4FF;
    --radius-xl: 32px;
    --radius-lg: 24px;
    --radius-md: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.78; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--highlight); text-decoration: none; }
a:hover { color: #1D4ED8; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--nav); backdrop-filter: blur(16px); -webkit-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 { width: min(1280px, calc(100% - 40px)); margin: 0 auto; min-height: 72px; 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; font-size: 20px; letter-spacing: .02em; flex: 0 0 auto; }
.site-logo:hover { color: #fff; }
.site-logo img { max-height: 44px; width: auto; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1 1 auto; }
.nav-core a { color: #DCEAF7; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 14px; white-space: nowrap; transition: .2s ease; }
.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; flex: 0 0 auto; }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(37,99,235,0.20); }
.main-btn:hover, .main-btn:focus-visible { color: #fff; transform: translateY(-1px); box-shadow: 0 18px 38px rgba(37,99,235,0.24); }
.secondary-btn { border: 1px solid rgba(37,99,235,.18); background: rgba(255,255,255,.82); color: var(--highlight); }
.secondary-btn:hover { background: #fff; color: #1D4ED8; }
.menu-button { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.06); border-radius: 14px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-button span { width: 18px; height: 2px; border-radius: 99px; background: #EAF4FF; display: block; }
.menu-button--mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(5,18,32,.46); opacity: 0; transition: opacity .25s ease; }
.drawer-overlay.is-open { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; right: 0; top: 0; width: min(420px, 92vw); height: 100dvh; overflow-y: auto; background: rgba(12,27,42,.98); color: #EAF4FF; transform: translateX(102%); transition: transform .28s ease; padding: 24px; box-shadow: -24px 0 60px rgba(6,20,36,.26); }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.drawer-brand { display: flex; gap: 12px; align-items: center; }
.drawer-brand img { width: 46px; height: 46px; object-fit: contain; }
.drawer-brand strong, .drawer-brand small { display: block; }
.drawer-brand strong { font-size: 18px; color: #fff; }
.drawer-brand small { color: #9FC2DE; margin-top: 2px; }
.drawer-close { width: 42px; height: 42px; border-radius: 14px; border: 1px solid rgba(255,255,255,.16); color: #fff; background: rgba(255,255,255,.06); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.drawer-nav a { color: #DCEAF7; border: 1px solid rgba(255,255,255,.08); padding: 11px 13px; border-radius: 14px; background: rgba(255,255,255,.03); }
.drawer-nav a:hover, .drawer-nav a.active { color: #fff; background: rgba(56,189,248,.12); border-color: rgba(56,189,248,.24); }
.drawer-note { margin-top: 24px; padding: 18px; border-radius: 18px; background: rgba(56,189,248,.08); border: 1px solid rgba(56,189,248,.14); }
.drawer-note strong { color: #fff; }
.drawer-note p { color: #BFD5E6; margin: 6px 0 0; font-size: 13px; line-height: 1.7; }
.section { padding: 86px 0; }
.section--tight { padding: 58px 0; }
.section--soft { background: linear-gradient(180deg, rgba(233,245,255,.70), rgba(232,252,250,.48)); }
.section--deep { background: linear-gradient(135deg, #12253A 0%, #172B4D 62%, #123B50 100%); color: #DCEAF7; }
.section--deep h2, .section--deep h3 { color: #fff; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 34px; }
.section-head > div { max-width: 760px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #0284C7; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; margin-bottom: 8px; }
.section-kicker::before { content: ""; width: 26px; height: 1px; background: currentColor; }
h1, h2, h3, .section-title { color: var(--title); margin-top: 0; line-height: 1.22; }
h1 { font-size: clamp(40px, 6vw, 74px); letter-spacing: -.045em; margin-bottom: 18px; }
h2 { font-size: clamp(28px, 4vw, 44px); letter-spacing: -.028em; margin-bottom: 14px; }
h3 { font-size: 20px; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { font-size: clamp(19px, 2vw, 25px); color: var(--deep); line-height: 1.5; }
.text-muted { color: var(--muted); }
.text-link { color: var(--highlight); font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(3px); }
.card, .zone-card, .info-card, .review-card { background: rgba(255,255,255,0.90); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.glass-card { background: rgba(255,255,255,0.72); border: 1px solid rgba(255,255,255,0.78); backdrop-filter: blur(18px); border-radius: 22px; }
.hero { position: relative; overflow: hidden; padding: 88px 0 68px; background: radial-gradient(circle at 80% 10%, rgba(56,189,248,.18), transparent 34%), radial-gradient(circle at 18% 18%, rgba(99,102,241,.09), transparent 31%), linear-gradient(135deg, #F9FCFF 0%, #EEF7FF 52%, #E8FCFA 100%); }
.hero::before { content: ""; position: absolute; inset: 0; opacity: .34; background-image: linear-gradient(rgba(37,99,235,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(37,99,235,.06) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, #000, transparent 82%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 56px; }
.hero-copy { max-width: 680px; }
.hero-copy .lead { max-width: 640px; }
.hero-copy > p:not(.lead) { color: var(--muted); font-size: 16px; max-width: 670px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 28px 0 28px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.72); border: 1px solid rgba(59,130,246,.13); color: #33536F; font-size: 13px; }
.hero-visual { position: relative; min-width: 0; }
.hero-stack { position: relative; padding: 20px 14px 42px 30px; }
.hero-stack::before { content: ""; position: absolute; inset: 10% 5% 0 12%; border-radius: 36px; background: linear-gradient(135deg, rgba(59,130,246,.16), rgba(34,211,197,.16)); filter: blur(2px); transform: rotate(3deg); }
.hero-primary { position: relative; border-radius: 30px; box-shadow: 0 28px 70px rgba(22,69,111,.20); border: 1px solid rgba(255,255,255,.92); background: #fff; }
.hero-phone { position: absolute; width: 34%; right: -1%; bottom: 0; border-radius: 24px; box-shadow: 0 22px 48px rgba(20,61,98,.22); border: 6px solid rgba(255,255,255,.96); background: #fff; }
.hero-chip { position: absolute; left: 0; top: 12%; padding: 12px 15px; border-radius: 16px; background: rgba(255,255,255,.86); border: 1px solid rgba(255,255,255,.92); box-shadow: 0 18px 40px rgba(29,78,119,.12); backdrop-filter: blur(12px); color: var(--deep); font-size: 13px; }
.service-strip { margin-top: -22px; position: relative; z-index: 3; }
.service-strip-inner { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-radius: 24px; overflow: hidden; background: rgba(255,255,255,.9); border: 1px solid rgba(59,130,246,.13); box-shadow: var(--shadow); }
.service-bit { padding: 24px; min-height: 150px; position: relative; }
.service-bit + .service-bit { border-left: 1px solid rgba(59,130,246,.11); }
.service-bit .num { display: block; color: #6AAEDF; font-size: 12px; font-weight: 800; letter-spacing: .12em; margin-bottom: 10px; }
.service-bit h2 { font-size: 18px; margin-bottom: 8px; }
.service-bit p { color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0; }
.pill-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { display: inline-flex; align-items: center; gap: 10px; padding: 12px 16px; border-radius: 999px; background: rgba(255,255,255,.8); border: 1px solid rgba(59,130,246,.14); box-shadow: 0 10px 28px rgba(29,78,119,.06); color: var(--deep); }
.channel-pill strong { font-size: 14px; color: var(--title); }
.channel-pill span { font-size: 12px; color: var(--muted); }
.split-feature { display: grid; grid-template-columns: .92fr 1.08fr; gap: 54px; align-items: center; }
.split-feature.reverse { grid-template-columns: 1.08fr .92fr; }
.split-feature.reverse .feature-media { order: 2; }
.feature-media { position: relative; }
.feature-media::before { content: ""; position: absolute; width: 82%; height: 82%; left: -18px; bottom: -18px; border-radius: 30px; background: linear-gradient(135deg, rgba(59,130,246,.11), rgba(34,211,197,.12)); }
.content-img, .zone-card img, .app-section img, .hero-visual img { max-width: 100%; height: auto; object-fit: contain; }
.content-img { position: relative; border-radius: 26px; box-shadow: 0 24px 64px rgba(29,78,119,.14); border: 1px solid rgba(255,255,255,.88); background: #fff; }
.number-note { display: flex; align-items: baseline; gap: 12px; color: #7AA8C9; font-weight: 700; margin-bottom: 12px; }
.number-note b { font-size: 34px; line-height: 1; color: rgba(37,99,235,.24); }
.feature-points { display: grid; gap: 12px; margin: 24px 0 0; }
.feature-point { padding: 15px 16px; border-left: 3px solid rgba(56,189,248,.66); background: rgba(255,255,255,.56); border-radius: 0 14px 14px 0; }
.feature-point strong { display: block; color: var(--title); margin-bottom: 3px; }
.feature-point span { color: var(--muted); font-size: 14px; }
.media-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 26px; }
.media-primary { padding: 18px; border-radius: 28px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.media-primary img { border-radius: 22px; }
.media-side { display: grid; gap: 18px; }
.media-note { padding: 24px; border-radius: 24px; background: var(--soft-blue); border: 1px solid rgba(59,130,246,.10); }
.media-note.alt { background: var(--soft-cyan); }
.media-note .eyebrow { color: #0284C7; font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.media-note h3 { margin-top: 7px; }
.dual-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
.dual-panel { overflow: hidden; border-radius: 30px; padding: 28px; min-height: 100%; }
.dual-panel.blue { background: linear-gradient(160deg, #EEF7FF, #F8FCFF); border: 1px solid rgba(59,130,246,.14); }
.dual-panel.cyan { background: linear-gradient(160deg, #E8FCFA, #F9FFFE); border: 1px solid rgba(34,211,197,.17); }
.dual-panel.dark { background: linear-gradient(160deg, #10243A, #17344A); color: #CFE3F2; }
.dual-panel.dark h2, .dual-panel.dark h3 { color: #fff; }
.dual-panel img { border-radius: 22px; margin-bottom: 22px; max-height: 360px; width: 100%; object-fit: contain; background: rgba(255,255,255,.5); }
.dual-panel p { color: var(--muted); }
.dual-panel.dark p { color: #BBD1E2; }
.compact-list { display: grid; gap: 9px; padding: 0; list-style: none; margin: 18px 0; }
.compact-list li { padding: 10px 12px; border-radius: 12px; background: rgba(255,255,255,.68); color: #36566F; font-size: 14px; }
.dual-panel.dark .compact-list li { background: rgba(255,255,255,.07); color: #D5E6F3; }
.triple-grid { display: grid; grid-template-columns: 1.05fr .9fr 1.05fr; gap: 22px; align-items: stretch; }
.triple-panel { border-radius: 26px; padding: 24px; border: 1px solid var(--line); background: rgba(255,255,255,.86); box-shadow: 0 18px 44px rgba(29,78,119,.08); }
.triple-panel.timeline { background: linear-gradient(180deg, #fff, #F0F4F8); }
.triple-panel.device { background: linear-gradient(160deg, #12253A, #173A4C); color: #CFE5F5; }
.triple-panel.device h2 { color: #fff; }
.triple-panel img { border-radius: 20px; margin-bottom: 18px; background: rgba(255,255,255,.88); }
.date-line { display: flex; align-items: baseline; gap: 12px; border-top: 1px solid rgba(59,130,246,.12); padding: 13px 0; }
.date-line:first-of-type { border-top: 0; }
.date-line b { color: var(--highlight); font-size: 13px; }
.security-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.security-card { display: grid; grid-template-columns: 170px 1fr; gap: 22px; align-items: center; padding: 24px; border-radius: 28px; background: rgba(255,255,255,.86); border: 1px solid rgba(59,130,246,.13); }
.security-card img { border-radius: 20px; background: var(--soft-blue); }
.security-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--muted); }
.review-wall { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.review-card { padding: 24px; margin: 0; }
.review-card:nth-child(1), .review-card:nth-child(4) { grid-column: span 5; }
.review-card:nth-child(2), .review-card:nth-child(3), .review-card:nth-child(5), .review-card:nth-child(6) { grid-column: span 7; }
.review-card:nth-child(3), .review-card:nth-child(4) { transform: translateY(8px); }
.review-card p { font-size: 16px; color: #38546A; margin-bottom: 18px; }
.review-card footer { color: var(--hint); font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid rgba(59,130,246,.14); border-radius: 18px; background: rgba(255,255,255,.84); box-shadow: 0 10px 28px rgba(29,78,119,.05); overflow: hidden; }
.faq-item summary { cursor: pointer; list-style: none; padding: 18px 52px 18px 20px; color: var(--title); font-weight: 700; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 24px; color: var(--highlight); font-weight: 400; }
.faq-item[open] summary::after { content: "−"; }
.faq-item p { padding: 0 20px 20px; margin: 0; color: var(--muted); }
.notice-band { border-radius: 30px; padding: 34px; background: linear-gradient(135deg, #10243A, #173A4C 60%, #14506A); color: #D9EAF7; display: grid; grid-template-columns: .85fr 1.15fr; gap: 34px; align-items: start; }
.notice-band h2 { color: #fff; }
.notice-band .notice-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.notice-pill { padding: 13px 14px; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08); border-radius: 14px; font-size: 13px; }
.about-home { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: center; }
.about-home img { border-radius: 26px; box-shadow: var(--shadow); }
.subpage { min-height: 70vh; }
.sub-hero { position: relative; overflow: hidden; padding: 74px 0 62px; background: radial-gradient(circle at 88% 16%, rgba(56,189,248,.16), transparent 34%), linear-gradient(145deg, #F9FCFF, #EDF7FF 60%, #F1FFFD); }
.sub-hero::before { 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: 46px 46px; opacity: .55; }
.sub-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.sub-hero-copy p { color: var(--muted); font-size: 17px; max-width: 720px; }
.sub-hero-copy h1 { font-size: clamp(36px, 5vw, 62px); }
.sub-hero-media { position: relative; }
.sub-hero-media img { border-radius: 28px; box-shadow: 0 24px 64px rgba(29,78,119,.15); border: 1px solid rgba(255,255,255,.9); background: #fff; max-height: 470px; margin: 0 auto; object-fit: contain; }
.sub-hero-media::after { content: attr(data-label); position: absolute; right: 14px; bottom: -13px; padding: 9px 13px; border-radius: 999px; background: #fff; color: #2379B3; border: 1px solid rgba(59,130,246,.14); box-shadow: 0 10px 30px rgba(29,78,119,.08); font-size: 11px; letter-spacing: .12em; font-weight: 800; }
.subnav-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.subnav-row a { padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid rgba(59,130,246,.13); font-size: 13px; color: #38647F; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 34px; align-items: start; }
.article-main { min-width: 0; }
.article-section { padding: 30px 0; border-top: 1px solid rgba(59,130,246,.11); }
.article-section:first-child { padding-top: 0; border-top: 0; }
.article-section p { color: #4D6476; }
.article-side { position: sticky; top: 96px; display: grid; gap: 16px; }
.side-card { padding: 20px; border-radius: 20px; background: #fff; border: 1px solid rgba(59,130,246,.13); box-shadow: 0 14px 36px rgba(29,78,119,.07); }
.side-card h3 { font-size: 17px; }
.side-card p { font-size: 13px; color: var(--muted); margin-bottom: 10px; }
.service-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.service-card { padding: 20px; border-radius: 20px; background: linear-gradient(180deg, #fff, #F8FBFE); border: 1px solid rgba(59,130,246,.13); }
.service-card .mini-num { color: #7BAFD1; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.service-card h3 { margin: 8px 0; font-size: 18px; }
.service-card p { font-size: 14px; line-height: 1.7; margin: 0; color: var(--muted); }
.app-note { display: grid; grid-template-columns: 200px 1fr; gap: 28px; align-items: center; padding: 28px; border-radius: 28px; background: linear-gradient(135deg, #EEF7FF, #E8FCFA); border: 1px solid rgba(59,130,246,.12); }
.app-note img { border-radius: 20px; max-height: 260px; object-fit: contain; background: rgba(255,255,255,.72); }
.page-quote { margin: 0; padding: 26px; border-radius: 24px; background: #12253A; color: #D8E8F4; position: relative; }
.page-quote::before { content: "“"; position: absolute; right: 22px; top: 2px; font-size: 72px; color: rgba(56,189,248,.16); font-family: Georgia, serif; }
.page-quote p { margin: 0 0 10px; color: #E6F1F8; }
.page-quote footer { color: #95B6CC; font-size: 13px; }
.mini-faq { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.mini-faq article { padding: 20px; border-radius: 20px; background: #fff; border: 1px solid rgba(59,130,246,.13); }
.mini-faq h3 { font-size: 17px; }
.mini-faq p { color: var(--muted); font-size: 14px; margin: 0; }
.compliance-box { padding: 24px; border-radius: 22px; background: #F0F7FC; border: 1px solid rgba(59,130,246,.13); }
.compliance-box h2 { font-size: 22px; }
.compliance-box p { margin-bottom: 0; color: #536A7C; }
/* per-page visual accents */
.page-brand .sub-hero-media img { transform: rotate(1deg); }
.page-vlog .sub-hero { background: radial-gradient(circle at 90% 12%, rgba(99,102,241,.13), transparent 34%), linear-gradient(145deg,#F8FBFF,#EAF6FF 54%,#F6F4FF); }
.page-vlog .article-section:nth-child(2) { background: linear-gradient(90deg, rgba(233,245,255,.55), transparent); padding-left: 22px; border-radius: 16px; }
.page-social .sub-hero { background: linear-gradient(145deg,#F8FCFF,#ECFBFA); }
.page-match .service-card { border-style: dashed; }
.page-chat .sub-hero-media img { border-radius: 40px; }
.page-community .article-main { padding: 28px; border-radius: 28px; background: rgba(255,255,255,.7); border: 1px solid rgba(59,130,246,.11); }
.page-discover .sub-hero { background: radial-gradient(circle at 84% 20%, rgba(34,211,197,.16), transparent 31%), linear-gradient(145deg,#FBFDFF,#F0F8FF); }
.page-activity .service-card:nth-child(2) { transform: translateY(10px); }
.page-app .sub-hero-media img { max-height: 520px; }
.page-download .app-note { background: linear-gradient(135deg,#F8FBFE,#EEF7FF); }
.page-safety .sub-hero { background: linear-gradient(145deg,#F7FBFF,#EAF6FF); }
.page-safety .service-card { background: #F7FBFF; }
.page-privacy .sub-hero { background: radial-gradient(circle at 85% 16%, rgba(34,211,197,.14), transparent 30%), linear-gradient(145deg,#FBFDFF,#EDFBF8); }
.page-help .article-side .side-card:first-child { background: var(--soft-blue); }
.page-contact .sub-hero-media::after { content: "SERVICE / SUPPORT"; }
.page-account .service-card { counter-increment: guide; }
.page-account .service-cards { counter-reset: guide; }
.page-responsible .sub-hero { background: linear-gradient(145deg,#FBFDFF,#F2F8FC); }
.page-service .service-card:nth-child(odd) { background: var(--soft-blue); }
.page-about .article-section h2::before { content: "— "; color: #6AAEDF; }
.page-faq .article-grid { grid-template-columns: 1fr; }
.page-faq .article-side { position: static; grid-template-columns: repeat(3, minmax(0,1fr)); }
.site-footer { background: var(--footer); color: var(--footer-text); padding: 64px 0 0; margin-top: 0; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 36px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 20px; }
.footer-logo:hover { color: #fff; }
.footer-logo img { width: 46px; height: 46px; object-fit: contain; }
.footer-brand p { margin: 18px 0 0; color: #AFC9DD; font-size: 14px; max-width: 440px; }
.footer-group h2 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-group a { display: block; color: #BFD4E4; font-size: 14px; padding: 4px 0; }
.footer-group a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; border-top: 1px solid rgba(255,255,255,.08); padding: 20px; text-align: center; }
.footer-bottom p { margin: 0 auto; max-width: 980px; font-size: 12px; color: #91AEC4; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .header-inner { width: min(100% - 28px, 1280px); }
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 9px; font-size: 13px; }
    .hero-grid, .sub-hero-inner { gap: 34px; }
    .triple-grid { grid-template-columns: 1fr 1fr; }
    .triple-panel.device { grid-column: span 2; display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: center; }
    .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-group:last-child { grid-column: 2 / -1; display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 18px; }
    .footer-group:last-child h2 { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
    body { padding-bottom: 72px; }
    .site-logo span { display: none; }
    .menu-button--mobile { display: inline-flex; }
    .menu-button--desktop, .nav-core { display: none; }
    .header-inner { min-height: 64px; position: relative; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo img { max-height: 40px; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 38px; padding: 0 14px; font-size: 13px; }
    .hero { padding-top: 60px; }
    .hero-grid, .sub-hero-inner, .split-feature, .split-feature.reverse, .media-layout, .article-grid, .about-home { grid-template-columns: 1fr; }
    .split-feature.reverse .feature-media { order: 0; }
    .hero-copy { max-width: none; }
    .hero-visual { max-width: 720px; margin: 0 auto; }
    .service-strip-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service-bit:nth-child(3) { border-left: 0; border-top: 1px solid rgba(59,130,246,.11); }
    .service-bit:nth-child(4) { border-top: 1px solid rgba(59,130,246,.11); }
    .dual-grid, .security-grid { grid-template-columns: 1fr; }
    .triple-grid { grid-template-columns: 1fr; }
    .triple-panel.device { grid-column: auto; grid-template-columns: 180px 1fr; }
    .review-card:nth-child(n) { grid-column: span 12; transform: none; }
    .notice-band { grid-template-columns: 1fr; }
    .article-side { position: static; grid-template-columns: repeat(3, minmax(0,1fr)); }
    .service-cards { grid-template-columns: 1fr 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-group:last-child { grid-column: auto; display: block; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 9000; min-height: 58px; padding: 6px; border-radius: 18px; background: rgba(12,27,42,.94); border: 1px solid rgba(255,255,255,.10); box-shadow: 0 16px 44px rgba(6,20,36,.24); backdrop-filter: blur(14px); display: grid; grid-template-columns: repeat(4, 1fr); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: #AFC9DD; font-size: 11px; border-radius: 12px; }
    .mobile-bottom-nav a span { font-size: 17px; line-height: 1; }
    .mobile-bottom-nav a.active { color: #fff; background: rgba(56,189,248,.12); }
}
@media (max-width: 640px) {
    .container { width: min(100% - 28px, 1180px); }
    .section { padding: 62px 0; }
    .section--tight { padding: 44px 0; }
    .hero { padding: 48px 0 50px; }
    .hero-grid { gap: 24px; }
    .hero-actions { margin-top: 22px; }
    .hero-stack { padding: 14px 8px 38px 14px; }
    .hero-phone { width: 38%; right: -2%; border-width: 4px; }
    .hero-chip { left: -2px; top: 6%; font-size: 11px; padding: 9px 11px; }
    .service-strip { margin-top: -12px; }
    .service-strip-inner { grid-template-columns: 1fr; border-radius: 20px; }
    .service-bit + .service-bit { border-left: 0; border-top: 1px solid rgba(59,130,246,.11); }
    .service-bit { min-height: auto; padding: 20px; }
    .channel-pill { width: 100%; border-radius: 18px; justify-content: space-between; }
    .channel-pill span { text-align: right; }
    .media-primary { padding: 12px; }
    .dual-panel, .triple-panel { padding: 20px; border-radius: 22px; }
    .triple-panel.device { display: block; }
    .triple-panel.device img { max-height: 300px; margin-left: auto; margin-right: auto; }
    .security-card { grid-template-columns: 1fr; }
    .security-card img { max-height: 260px; margin: 0 auto; }
    .notice-band { padding: 24px; border-radius: 22px; }
    .notice-band .notice-list { grid-template-columns: 1fr; }
    .sub-hero { padding: 52px 0 46px; }
    .sub-hero-media img { max-height: 360px; }
    .article-side, .page-faq .article-side { grid-template-columns: 1fr; }
    .service-cards, .mini-faq { grid-template-columns: 1fr; }
    .app-note { grid-template-columns: 1fr; padding: 22px; }
    .app-note img { max-height: 260px; margin: 0 auto; }
    .footer-inner { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
    .footer-group:last-child { grid-column: auto; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { padding: 18px; }
    .header-inner { width: calc(100% - 20px); }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}