:root {
  --bg: #f5f7ff; --nav: rgba(12,18,40,.94); --title: #131a35; --primary: #5b6cff;
  --deep: #16213e; --cyan: #00d4ff; --gold: #ffc857; --rose: #d94f70; --violet: #7a5cff;
  --text: #1f2740; --muted: #66708a; --soft: #9aa4ba; --card: #fff; --dark-card: #11182f;
  --line: rgba(91,108,255,.18); --shadow: 0 20px 46px rgba(25,43,91,.14);
  --gradient: linear-gradient(135deg,#5b6cff 0%,#7a5cff 48%,#00d4ff 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: "PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; padding: 10px 16px; border-radius: 10px; background: #fff; color: var(--deep); box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.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(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(1280px, calc(100% - 40px)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; white-space: nowrap; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; }
.site-logo strong { font-size: 21px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; gap: 8px; }
.nav-core a { color: #eef2ff; border-radius: 999px; padding: 8px 12px; font-size: 15px; transition: .25s ease; white-space: nowrap; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,212,255,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn, .ghost-btn, .soft-btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 0 24px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover, .ghost-btn:hover, .soft-btn:hover { transform: translateY(-2px); }
.main-btn.compact { min-height: 42px; padding: 0 18px; font-size: 14px; }
.ghost-btn { color: var(--primary); border: 1px solid rgba(91,108,255,.32); background: rgba(255,255,255,.9); }
.soft-btn { color: var(--deep); background: #fff; box-shadow: var(--shadow); }
.menu-toggle { width: 42px; height: 42px; display: inline-flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; padding: 0; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: rgba(255,255,255,.08); cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,27,.58); backdrop-filter: blur(3px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 88vw); height: 100dvh; padding: 24px; background: #fff; transform: translateX(104%); transition: transform .28s ease; overflow-y: auto; box-shadow: -24px 0 60px rgba(9,17,43,.24); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; font-size: 20px; }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { border: 0; background: #eef2ff; color: var(--title); width: 40px; height: 40px; border-radius: 50%; font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; background: #f5f7ff; color: var(--title); font-weight: 650; }
.drawer-nav a:hover { background: #eaf7ff; color: var(--primary); }
.drawer-note { margin-top: 22px; padding: 18px; border-radius: 18px; background: linear-gradient(135deg,#eff8ff,#fff4d6); }
.drawer-note strong { color: var(--title); }
.drawer-note p { margin: 6px 0 0; color: var(--muted); font-size: 14px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 8px; color: #9a6b00; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 26px; height: 2px; background: var(--gold); }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.25; }
h1 { margin: 0 0 20px; font-size: clamp(38px,6vw,72px); letter-spacing: -.035em; }
h2 { margin: 0 0 18px; font-size: clamp(28px,4vw,44px); }
h3 { margin: 0 0 10px; }
p { margin: 0 0 16px; }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 750; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.hero { position: relative; padding: 92px 0 74px; overflow: hidden; background: radial-gradient(circle at 12% 15%,rgba(0,212,255,.18),transparent 24%), radial-gradient(circle at 88% 15%,rgba(217,79,112,.15),transparent 24%), linear-gradient(145deg,#f7f4ff 0%,#eef9ff 52%,#fff8fb 100%); }
.hero::after { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -180px; bottom: -220px; background: rgba(122,92,255,.11); filter: blur(3px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.hero-copy .lead { max-width: 680px; color: var(--muted); font-size: 18px; }
.hero-subtitle { margin-bottom: 14px; color: var(--violet); font-size: clamp(20px,3vw,30px); font-weight: 800; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 8px 13px; border: 1px solid rgba(91,108,255,.18); border-radius: 999px; background: rgba(255,255,255,.74); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 11% 8% -4%; border-radius: 36px; background: var(--gradient); opacity: .18; filter: blur(24px); }
.hero-visual img { position: relative; width: 100%; max-height: 600px; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(35,49,98,.18)); }
.section { padding: 84px 0; }
.section.alt { background: #fff; }
.section.deep { color: #eaf0ff; background: linear-gradient(145deg,#11182f,#18264d); }
.section.deep h2, .section.deep h3 { color: #fff; }
.section-heading { max-width: 780px; margin-bottom: 34px; }
.section-heading p { color: var(--muted); font-size: 17px; }
.section.deep .section-heading p, .section.deep p { color: #bfc9e6; }
.highlight-strip { position: relative; z-index: 2; margin-top: -30px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 28px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.highlight-item { padding: 18px; border-radius: 20px; background: linear-gradient(145deg,#fff,#f6f8ff); }
.highlight-item strong { display: block; color: var(--title); margin-bottom: 5px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.pill-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-link { display: inline-flex; flex-direction: column; max-width: 220px; padding: 13px 17px; border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 24px rgba(25,43,91,.07); }
.pill-link strong { color: var(--title); }
.pill-link span { color: var(--muted); font-size: 13px; }
.split-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.triple-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 24px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(145deg,#f6f4ff,#effaff); padding: 16px; }
.zone-card-body { padding: 26px; }
.zone-card-body p { color: var(--muted); }
.point-list { display: grid; gap: 10px; margin: 20px 0; padding: 0; list-style: none; }
.point-list li { position: relative; padding-left: 28px; color: var(--text); }
.point-list li::before { content: "✓"; position: absolute; left: 0; top: 0; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--gradient); font-size: 12px; }
.media-row { display: grid; grid-template-columns: .95fr 1.05fr; align-items: center; gap: 48px; }
.media-row.reverse { grid-template-columns: 1.05fr .95fr; }
.media-row.reverse .media-image { order: 2; }
.media-image { padding: 22px; border-radius: 30px; background: linear-gradient(145deg,#fff,#eef7ff); box-shadow: var(--shadow); }
.media-image img { width: 100%; max-height: 520px; object-fit: contain; }
.media-copy p { color: var(--muted); }
.stats-row { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; margin-top: 26px; }
.stat { padding: 16px; border-radius: 18px; background: #f6f8ff; }
.stat strong { display: block; color: var(--primary); font-size: 24px; }
.stat span { color: var(--muted); font-size: 13px; }
.security-panel { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.security-card { display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: center; padding: 24px; border-radius: 26px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.security-card img { width: 100%; max-height: 170px; object-fit: contain; }
.security-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: #fff; font-weight: 800; background: var(--gradient); }
.review-meta strong { display: block; color: var(--title); }
.review-meta span { color: var(--soft); font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { border: 1px solid var(--line); border-radius: 18px; background: #fff; overflow: hidden; }
.faq-question { width: 100%; padding: 18px 22px; display: flex; justify-content: space-between; align-items: center; gap: 16px; border: 0; background: transparent; color: var(--title); text-align: left; font-weight: 750; cursor: pointer; }
.faq-question::after { content: "+"; font-size: 24px; color: var(--primary); }
.faq-item.open .faq-question::after { content: "−"; }
.faq-answer { display: none; padding: 0 22px 20px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.notice-box { padding: 26px; border-radius: 26px; background: linear-gradient(135deg,#fff4d6,#eff8ff 55%,#f4efff); border: 1px solid rgba(255,200,87,.38); }
.notice-box h2 { font-size: clamp(25px,3vw,36px); }
.notice-box p { color: var(--muted); }
.inner-hero { padding: 74px 0 64px; background: radial-gradient(circle at 18% 20%,rgba(0,212,255,.15),transparent 28%), radial-gradient(circle at 88% 20%,rgba(122,92,255,.18),transparent 28%), linear-gradient(145deg,#f7f5ff,#eefaff); }
.inner-hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 56px; }
.inner-hero h1 { font-size: clamp(36px,5vw,60px); }
.inner-hero p { max-width: 700px; color: var(--muted); font-size: 18px; }
.inner-hero img { width: 100%; max-height: 480px; object-fit: contain; filter: drop-shadow(0 28px 40px rgba(35,49,98,.16)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--primary); }
.content-section { padding: 74px 0; }
.content-section.alt { background: #fff; }
.prose-grid { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 38px; align-items: start; }
.prose { min-width: 0; }
.prose h2 { margin-top: 38px; font-size: 32px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin-top: 26px; font-size: 22px; }
.prose p { color: #4f5972; font-size: 16px; }
.prose ul { margin: 18px 0 26px; padding: 0; list-style: none; display: grid; gap: 12px; }
.prose li { padding: 14px 16px 14px 44px; position: relative; border-radius: 16px; background: #fff; border: 1px solid var(--line); color: #3f4860; }
.prose li::before { content: ""; position: absolute; left: 17px; top: 20px; width: 10px; height: 10px; border-radius: 50%; background: var(--gradient); }
.side-panel { position: sticky; top: 98px; display: grid; gap: 16px; }
.side-card { padding: 22px; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 14px 34px rgba(25,43,91,.1); }
.side-card h3 { font-size: 20px; }
.side-card p { color: var(--muted); font-size: 14px; }
.side-card img { max-height: 230px; width: 100%; object-fit: contain; margin-bottom: 14px; }
.mini-links { display: grid; gap: 9px; }
.mini-links a { padding: 10px 12px; border-radius: 12px; background: #f5f7ff; color: var(--primary); font-weight: 700; }
.feedback-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; margin: 28px 0; }
.feedback-card { padding: 20px; border-left: 4px solid var(--violet); border-radius: 16px; background: #fff; box-shadow: 0 12px 30px rgba(25,43,91,.08); }
.feedback-card p { margin: 0; color: var(--muted); }
.contact-form { display: grid; gap: 14px; }
.contact-form label { font-weight: 700; color: var(--title); }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; background: #fff; color: var(--text); }
.contact-form textarea { min-height: 130px; resize: vertical; }
.site-cta { padding: 54px 0; background: linear-gradient(135deg,#eaf7ff,#f3efff 55%,#fff4d6); }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-inner h2 { font-size: clamp(26px,4vw,40px); }
.cta-inner p { max-width: 760px; color: var(--muted); }
.cta-actions { display: flex; gap: 12px; flex-shrink: 0; }
.site-footer { padding: 58px 0 110px; background: #0b1024; color: #eef2ff; }
.footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 38px; }
.footer-grid h3 { color: #fff; font-size: 17px; }
.footer-grid a { display: block; margin: 9px 0; color: #bdc7e2; }
.footer-grid a:hover { color: #fff; }
.footer-brand p { max-width: 360px; color: #aeb9d6; }
.footer-logo { margin-bottom: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.1); color: #9eabc9; font-size: 14px; }
.footer-bottom div { display: flex; gap: 18px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 980px) {
  .nav-core { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
  .desktop-menu-toggle { display: none; }
  .header-inner { width: min(100% - 24px,1280px); min-height: 66px; }
  .site-logo strong { display: none; }
  .hero-grid, .inner-hero-grid, .media-row, .media-row.reverse, .prose-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 64px; }
  .hero-visual { max-width: 720px; margin: 0 auto; }
  .inner-hero img { max-height: 390px; }
  .media-row.reverse .media-image { order: initial; }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .triple-grid, .review-grid { grid-template-columns: repeat(2,1fr); }
  .security-panel { grid-template-columns: 1fr; }
  .side-panel { position: static; grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .cta-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 680px) {
  .container { width: min(100% - 28px,1180px); }
  .header-inner { gap: 10px; }
  .site-logo img { width: 38px; height: 38px; }
  .main-btn.compact { min-height: 38px; padding: 0 14px; font-size: 13px; }
  .menu-toggle { width: 38px; height: 38px; }
  .hero { padding: 52px 0 62px; }
  h1 { font-size: 42px; }
  .hero-copy .lead, .inner-hero p { font-size: 16px; }
  .hero-actions, .cta-actions { width: 100%; }
  .hero-actions a, .cta-actions a { flex: 1; min-width: 0; padding: 0 16px; }
  .section, .content-section { padding: 62px 0; }
  .highlight-grid, .split-grid, .triple-grid, .review-grid, .stats-row, .feedback-grid, .side-panel { grid-template-columns: 1fr; }
  .highlight-strip { margin-top: -18px; }
  .highlight-grid { padding: 12px; }
  .security-card { grid-template-columns: 100px 1fr; padding: 18px; }
  .security-card img { max-height: 130px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .inner-hero { padding: 52px 0; }
  .inner-hero-grid { gap: 30px; }
  .prose h2 { font-size: 28px; }
  .site-cta { padding: 44px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; padding-bottom: 12px; }
  .footer-bottom div { flex-wrap: wrap; }
  .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; height: 70px; padding: 8px max(12px, env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(12px, env(safe-area-inset-left)); display: grid; grid-template-columns: repeat(4,1fr); background: rgba(11,16,36,.96); border-top: 1px solid rgba(255,255,255,.1); backdrop-filter: blur(14px); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: #e8edff; font-size: 12px; }
  .mobile-bottom-nav span { color: var(--cyan); font-size: 19px; line-height: 1; }
  .site-footer { padding-bottom: 116px; }
}