:root {
  --bg: #F5F7FF;
  --surface: #FFFFFF;
  --ink: #1F2740;
  --title: #131A35;
  --muted: #66708A;
  --soft: #9AA4BA;
  --primary: #5B6CFF;
  --primary-2: #7A5CFF;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --deep: #16213E;
  --footer: #0B1024;
  --border: rgba(91,108,255,.18);
  --shadow: 0 20px 46px rgba(25,43,91,.14);
  --radius: 24px;
  --max: 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, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-2); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
main { min-height: 60vh; }
.container { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; }
.section { padding: 88px 0; position: relative; }
.section-sm { padding: 58px 0; }
.section-alt { background: linear-gradient(180deg, rgba(234,247,255,.8), rgba(245,247,255,0)); }
.section-dark { background: linear-gradient(135deg, #11182F, #18264A); color: #EEF2FF; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker, .tag, .label, .badge { display: inline-flex; align-items: center; gap: 8px; color: #9A6500; background: #FFF4D6; border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.section-title, h1, h2, h3 { color: var(--title); line-height: 1.25; margin-top: 0; }
.section-title { font-size: clamp(30px, 4vw, 46px); margin-bottom: 16px; }
.section-desc { color: var(--muted); font-size: 17px; margin: 0; }
.lead { font-size: 18px; color: var(--muted); }
.muted { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.main-btn, .ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #fff; background: linear-gradient(135deg, #5B6CFF 0%, #7A5CFF 48%, #00D4FF 100%); box-shadow: 0 14px 32px rgba(91,108,255,.22); }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,.30); }
.ghost-btn { color: var(--primary); border: 1px solid var(--border); background: rgba(255,255,255,.78); }
.ghost-btn:hover { transform: translateY(-2px); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: rgba(12,18,40,.94); backdrop-filter: blur(12px); box-shadow: 0 8px 26px rgba(25,43,91,.16); }
.header-inner { width: min(calc(100% - 32px), 1280px); margin: 0 auto; min-height: 72px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 26px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 19px; white-space: nowrap; }
.site-logo:hover { color: #fff; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; border-radius: 12px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 10px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: 15px; }
.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; }
.header-cta { min-height: 42px; padding: 0 18px; }
.menu-trigger { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.16); border-radius: 12px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-trigger span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.menu-trigger-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,8,22,.62); backdrop-filter: blur(3px); opacity: 0; visibility: hidden; transition: .25s ease; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 92vw); height: 100vh; overflow-y: auto; padding: 24px; background: #fff; box-shadow: -20px 0 60px rgba(3,10,36,.25); transform: translateX(105%); transition: transform .28s ease; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-weight: 800; font-size: 19px; }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.drawer-close { border: 0; width: 42px; height: 42px; border-radius: 12px; background: #F0F3FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 22px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 14px; border: 1px solid var(--border); border-radius: 14px; color: var(--ink); background: #fff; }
.drawer-nav a.active, .drawer-nav a:hover { background: #EFF2FF; color: var(--primary); }
.drawer-nav b { font-size: 20px; }
.drawer-safe { margin-top: 20px; padding: 16px; border-radius: 16px; color: #5B6480; background: linear-gradient(135deg, #FFF7E5, #EFF8FF); font-size: 13px; }
.hero { position: relative; overflow: hidden; padding: 82px 0 72px; background: radial-gradient(circle at 18% 10%, rgba(122,92,255,.22), transparent 34%), radial-gradient(circle at 88% 20%, rgba(0,212,255,.20), transparent 30%), linear-gradient(135deg, #F8F5FF 0%, #EEF9FF 55%, #FFF5FB 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 280px; height: 280px; left: -100px; bottom: -110px; background: rgba(255,200,87,.18); }
.hero::after { width: 240px; height: 240px; right: -80px; top: 80px; background: rgba(217,79,112,.12); }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 56px; position: relative; z-index: 1; }
.hero-copy h1 { font-size: clamp(52px, 7vw, 84px); margin: 14px 0 10px; letter-spacing: -.04em; }
.hero-subtitle { color: var(--primary-2); font-size: clamp(24px, 3.2vw, 38px); font-weight: 800; margin-bottom: 20px; }
.hero-copy p { max-width: 680px; color: #56617A; font-size: 17px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-points span { display: inline-flex; align-items: center; gap: 7px; padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.76); border: 1px solid rgba(91,108,255,.14); box-shadow: 0 10px 24px rgba(56,74,130,.08); color: #394361; font-size: 14px; }
.hero-points span::before { content: "✓"; color: var(--primary); font-weight: 900; }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 620px; object-fit: contain; filter: drop-shadow(0 32px 45px rgba(45,57,105,.22)); }
.floating-note { position: absolute; right: 0; bottom: 8%; max-width: 220px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); color: var(--muted); font-size: 13px; }
.highlight-strip { margin-top: -26px; position: relative; z-index: 2; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { background: rgba(255,255,255,.96); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 20px; padding: 22px; }
.highlight-item h3 { font-size: 18px; margin-bottom: 8px; }
.highlight-item p { color: var(--muted); margin: 0; font-size: 14px; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; min-width: 0; padding: 18px 20px; border: 1px solid var(--border); border-radius: 20px; background: rgba(255,255,255,.9); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 5px; }
.channel-pill span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 8px; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); }
.media-split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.media-split.reverse .media-copy { order: 2; }
.media-copy { padding: 12px 0; }
.media-copy h2 { font-size: clamp(30px, 4vw, 48px); margin: 14px 0; }
.media-copy p { color: var(--muted); }
.media-image { padding: 18px; background: linear-gradient(135deg, #EEF0FF, #EAFBFF); }
.media-image img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 18px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16 / 10; object-fit: contain; background: linear-gradient(135deg, #F2F1FF, #ECFAFF); }
.zone-body { padding: 26px; }
.zone-body h3 { font-size: 25px; margin-bottom: 10px; }
.zone-body p { color: var(--muted); }
.service-points { padding: 0; margin: 18px 0; display: grid; gap: 9px; list-style: none; }
.service-points li { position: relative; padding-left: 25px; color: #4C5670; }
.service-points li::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--cyan)); position: absolute; left: 2px; top: .68em; }
.three-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.three-grid .zone-card img { aspect-ratio: 4 / 3; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.security-card { padding: 28px; display: grid; grid-template-columns: 180px 1fr; gap: 24px; align-items: center; }
.security-card img { width: 100%; max-height: 210px; object-fit: contain; }
.security-card p { color: var(--muted); }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { margin: 0 0 18px; color: #47516A; }
.review-card footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 13px; }
.review-card footer::before { content: "●"; color: var(--primary); }
.faq-list { display: grid; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 22px 24px; }
.faq-item h3 { font-size: 18px; margin-bottom: 8px; }
.faq-item p { margin: 0; color: var(--muted); }
.notice-band { background: linear-gradient(135deg, #151D39, #243C68); border-radius: 30px; padding: 38px; color: #F2F5FF; display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; }
.notice-band h2 { color: #fff; margin-bottom: 10px; }
.notice-band p { margin: 0; color: #D4DCEF; }
.about-mini { display: grid; grid-template-columns: .82fr 1.18fr; gap: 30px; align-items: center; }
.about-mini img { width: 100%; max-height: 430px; object-fit: contain; }
.page-hero { padding: 72px 0 56px; background: radial-gradient(circle at 12% 15%, rgba(122,92,255,.18), transparent 32%), radial-gradient(circle at 86% 22%, rgba(0,212,255,.16), transparent 28%), linear-gradient(135deg, #FAF8FF, #F0FAFF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 46px; }
.page-hero h1 { font-size: clamp(40px, 6vw, 68px); margin: 14px 0; }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero-image { padding: 18px; background: rgba(255,255,255,.72); border-radius: 30px; border: 1px solid var(--border); }
.page-hero-image img { width: 100%; max-height: 470px; object-fit: contain; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 30px; align-items: start; }
.article-main { display: grid; gap: 22px; }
.article-card { padding: 30px; }
.article-card h2 { font-size: 28px; margin-bottom: 14px; }
.article-card p { color: var(--muted); margin: 0 0 14px; }
.article-card p:last-child { margin-bottom: 0; }
.article-card .service-points { grid-template-columns: repeat(2, 1fr); }
.article-aside { position: sticky; top: 96px; display: grid; gap: 18px; }
.aside-card { padding: 24px; }
.aside-card h3 { font-size: 20px; }
.aside-card p { color: var(--muted); font-size: 14px; }
.aside-card img { width: 100%; max-height: 250px; object-fit: contain; border-radius: 16px; background: #F5F7FF; margin-bottom: 16px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 20px; }
.step { padding: 20px; border: 1px solid var(--border); border-radius: 18px; background: #F9FAFF; }
.step b { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 50%; color: #fff; background: linear-gradient(135deg, var(--primary), var(--cyan)); margin-bottom: 10px; }
.step h3 { font-size: 18px; }
.step p { font-size: 14px; }
.page-reviews { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.page-review { padding: 22px; border-radius: 18px; background: #F7F8FF; border: 1px solid var(--border); color: var(--muted); }
.contact-form { display: grid; gap: 14px; margin-top: 20px; }
.contact-form label { font-weight: 700; color: var(--title); }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid var(--border); background: #fff; border-radius: 14px; padding: 13px 15px; color: var(--ink); outline: none; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(91,108,255,.10); }
.contact-form textarea { min-height: 150px; resize: vertical; }
.site-footer { background: var(--footer); color: #EEF2FF; padding: 64px 0 0; }
.footer-inner { width: min(calc(100% - 40px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1fr 1.6fr; gap: 60px; }
.footer-brand p { color: #ABB7D2; max-width: 430px; }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-links h3 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-links a { display: block; color: #B9C5DD; margin: 10px 0; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 50px; border-top: 1px solid rgba(255,255,255,.10); padding: 20px max(20px, calc((100vw - var(--max))/2)); display: flex; justify-content: space-between; gap: 20px; color: #93A0BB; font-size: 13px; }
.mobile-quick-nav { display: none; }
@media (max-width: 1080px) {
  .nav-core { display: none; }
  .header-inner { grid-template-columns: auto 1fr auto; }
  .site-logo { justify-self: start; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 800px; }
  .hero-visual { max-width: 720px; margin: 0 auto; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .three-grid { grid-template-columns: 1fr 1fr; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .article-grid { grid-template-columns: 1fr; }
  .article-aside { position: static; grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 64px 0; }
  .site-header { position: sticky; }
  .header-inner { min-height: 64px; width: calc(100% - 20px); grid-template-columns: 44px 1fr auto; gap: 8px; }
  .menu-trigger-mobile { display: inline-flex; }
  .menu-trigger-desktop { display: none; }
  .site-logo { justify-self: center; }
  .site-logo img { width: 36px; height: 36px; }
  .site-logo span { display: none; }
  .header-cta { min-height: 38px; padding: 0 14px; font-size: 13px; }
  .hero { padding: 56px 0 48px; }
  .hero-grid { gap: 34px; }
  .hero-copy h1 { font-size: 50px; }
  .hero-subtitle { font-size: 26px; }
  .floating-note { position: static; margin-top: 12px; max-width: none; }
  .highlight-strip { margin-top: -14px; }
  .highlight-grid, .feature-grid, .security-grid, .three-grid, .review-grid, .page-reviews, .steps, .media-split, .about-mini { grid-template-columns: 1fr; }
  .media-split.reverse .media-copy { order: 0; }
  .security-card { grid-template-columns: 110px 1fr; }
  .notice-band { grid-template-columns: 1fr; padding: 28px; }
  .article-card { padding: 24px; }
  .article-card .service-points { grid-template-columns: 1fr; }
  .article-aside { grid-template-columns: 1fr; }
  .drawer-nav { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; gap: 34px; }
  .footer-links { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; padding-bottom: 96px; }
  .mobile-quick-nav { position: fixed; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); z-index: 9998; display: grid; grid-template-columns: repeat(4, 1fr); min-height: 64px; border-radius: 20px; background: rgba(11,16,36,.95); box-shadow: 0 12px 35px rgba(6,12,31,.28); backdrop-filter: blur(12px); overflow: hidden; }
  .mobile-quick-nav a { color: #BFC8DE; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-size: 12px; }
  .mobile-quick-nav a span { font-size: 20px; line-height: 1; }
  .mobile-quick-nav a.active { color: #fff; background: rgba(91,108,255,.25); }
  body { padding-bottom: 78px; }
}
@media (max-width: 480px) {
  .highlight-grid { grid-template-columns: 1fr; }
  .security-card { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
  .section-title { font-size: 31px; }
  .page-hero h1 { font-size: 42px; }
  .channel-pill { flex-basis: 100%; }
}