:root {
  --bg: #F5F7FF;
  --nav: rgba(12,18,40,.94);
  --title: #131A35;
  --primary: #5B6CFF;
  --deep: #16213E;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --rose: #D94F70;
  --lavender: #7A5CFF;
  --text: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --card: #FFFFFF;
  --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: "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: inherit; }
img { max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 12000; padding: 10px 16px; background: #fff; border-radius: 10px; color: var(--title); box-shadow: var(--shadow); }
.skip-link:focus { top: 16px; }
.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)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.mobile-header-row { display: none; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 900; font-size: 20px; white-space: nowrap; }
.site-logo img { width: auto; max-width: 132px; max-height: 44px; display: block; object-fit: contain; }
.site-logo span { letter-spacing: .08em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #EEF2FF; 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(0,212,255,.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 24px; background: var(--gradient); color: #fff; border-radius: 999px; box-shadow: 0 14px 32px rgba(91,108,255,.22); text-decoration: none; font-weight: 800; border: 0; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,.28); }
.menu-button { width: 48px; height: 46px; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); color: #fff; cursor: pointer; display: grid; align-content: center; justify-items: center; gap: 4px; }
.menu-button span { width: 19px; height: 2px; background: currentColor; border-radius: 5px; }
.menu-button b { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 10020; background: rgba(4,8,22,.62); backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity .25s ease; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10030; width: min(420px, 92vw); height: 100dvh; padding: 24px; background: #0D142E; color: #EEF2FF; box-shadow: -24px 0 70px rgba(0,0,0,.28); transform: translateX(105%); transition: transform .3s ease; overflow-y: auto; }
.drawer-open .drawer-overlay { opacity: 1; pointer-events: auto; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-close { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.16); border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; font-size: 28px; cursor: pointer; }
.drawer-copy { color: #AEB9D8; margin: 22px 0; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.055); border-radius: 14px; text-decoration: none; }
.drawer-nav a:hover, .drawer-nav a.active { border-color: rgba(0,212,255,.4); background: rgba(91,108,255,.18); }
.drawer-nav em { color: var(--cyan); font-style: normal; font-size: 12px; }
.drawer-note { margin-top: 22px; padding: 15px; border-radius: 16px; background: rgba(255,200,87,.1); color: #FFF2C9; font-size: 13px; }
.site-main { min-height: 70vh; }
.container { width: min(1200px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 86px 0; }
.section-tight { padding: 56px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 32px; }
.section-head > div { max-width: 760px; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #8A5B00; background: #FFF4D6; border-radius: 999px; padding: 5px 12px; font-size: 13px; font-weight: 800; letter-spacing: .08em; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(40px, 6vw, 76px); letter-spacing: -.04em; }
h2, .section-title { font-size: clamp(28px, 3vw, 44px); letter-spacing: -.025em; }
h3 { font-size: 21px; }
p { margin: 0 0 1em; }
.lead { font-size: 18px; color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 800; text-decoration: none; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.hero { position: relative; padding: 80px 0 64px; overflow: hidden; background: radial-gradient(circle at 10% 10%, rgba(122,92,255,.18), transparent 34%), radial-gradient(circle at 90% 20%, rgba(0,212,255,.2), transparent 34%), linear-gradient(135deg,#F9F6FF 0%,#EAF7FF 54%,#FFF4FB 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero::before { width: 240px; height: 240px; left: -80px; bottom: -100px; background: rgba(255,200,87,.22); }
.hero::after { width: 160px; height: 160px; right: 8%; top: 12%; border: 28px solid rgba(91,108,255,.08); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero-copy { max-width: 650px; }
.hero-copy .eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 7px 14px; border-radius: 999px; background: rgba(91,108,255,.1); color: var(--primary); font-weight: 800; }
.hero-copy h1 span { display: block; color: var(--primary); }
.hero-copy .subtitle { font-size: clamp(22px, 3vw, 32px); color: var(--deep); font-weight: 800; margin: -16px 0 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin: 26px 0 28px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border: 1px solid rgba(91,108,255,.25); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--primary); font-weight: 800; text-decoration: none; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.72); border: 1px solid rgba(91,108,255,.12); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; padding: 18px; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 0 0 8%; border-radius: 36px; background: var(--gradient); opacity: .16; filter: blur(26px); }
.hero-visual img { position: relative; z-index: 1; width: 100%; max-height: 600px; object-fit: contain; filter: drop-shadow(0 24px 30px rgba(32,47,100,.22)); }
.floating-media { position: absolute; z-index: 2; display: grid; gap: 2px; width: 190px; padding: 14px; border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); border: 1px solid rgba(91,108,255,.15); }
.floating-media strong { color: var(--title); }
.floating-media small { color: var(--muted); }
.floating-one { left: -8px; bottom: 12%; }
.floating-two { right: -10px; top: 10%; }
.highlight-bar { margin-top: -22px; position: relative; z-index: 3; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 18px; border-radius: 26px; background: rgba(255,255,255,.92); box-shadow: var(--shadow); border: 1px solid rgba(91,108,255,.15); }
.highlight-item { padding: 14px 16px; border-right: 1px solid rgba(91,108,255,.12); }
.highlight-item:last-child { border-right: 0; }
.highlight-item b { display: block; margin-bottom: 5px; color: var(--title); }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-nav a { min-width: 160px; flex: 1 1 180px; padding: 15px 16px; border-radius: 18px; background: #fff; border: 1px solid var(--line); text-decoration: none; box-shadow: 0 10px 28px rgba(25,43,91,.08); }
.pill-nav strong { display: block; color: var(--title); }
.pill-nav span { color: var(--muted); font-size: 13px; }
.media-split, .two-col, .safety-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 26px; align-items: stretch; }
.media-split { align-items: center; }
.media-copy { padding: 24px 4px; }
.media-figure { padding: 22px; background: linear-gradient(135deg,#EFF8FF,#F6F0FF); border-radius: 30px; border: 1px solid var(--line); }
.media-figure img, .content-img, .zone-card img, .app-section img, .hero-visual img { max-width: 100%; height: auto; object-fit: contain; }
.media-figure img { width: 100%; max-height: 520px; }
.media-collage { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 12px; }
.media-collage .collage-accent { max-height: 300px; }
.feature-list { display: grid; gap: 14px; padding: 0; margin: 24px 0; list-style: none; }
.feature-list li { position: relative; padding-left: 27px; color: var(--muted); }
.feature-list li::before { content: ""; position: absolute; left: 0; top: .65em; width: 12px; height: 12px; border-radius: 50%; background: var(--gradient); box-shadow: 0 0 0 5px rgba(91,108,255,.1); }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; max-height: 300px; padding: 18px; background: linear-gradient(135deg,#EFF8FF,#FFF4FB); }
.zone-body { padding: 24px; }
.zone-body p { color: var(--muted); }
.service-points { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0; }
.service-points span { padding: 8px 10px; border-radius: 12px; background: #F3F5FF; color: var(--primary); font-size: 13px; text-align: center; font-weight: 700; }
.three-col { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.info-card { padding: 24px; }
.info-card img { width: 100%; max-height: 190px; object-fit: contain; margin-bottom: 18px; }
.info-card p { color: var(--muted); }
.dark-section { background: #0F1731; color: #D8E0F6; }
.dark-section h2, .dark-section h3 { color: #fff; }
.dark-section .section-kicker { color: #FFE6A3; background: rgba(255,200,87,.12); }
.safety-card { padding: 28px; border-radius: 24px; background: linear-gradient(145deg,#171F3E,#11182F); border: 1px solid rgba(255,255,255,.09); }
.safety-card img { width: 100%; max-height: 280px; object-fit: contain; margin-bottom: 18px; }
.safety-card p { color: #B9C4DF; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { padding: 22px; }
.review-card p { color: var(--muted); }
.review-card footer { display: flex; align-items: center; gap: 10px; margin-top: 18px; color: var(--primary); font-weight: 800; }
.review-card footer::before { content: ""; width: 34px; height: 34px; border-radius: 50%; background: var(--gradient); opacity: .85; }
.faq-list { display: grid; gap: 14px; }
details { border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(25,43,91,.07); }
summary { padding: 18px 22px; cursor: pointer; color: var(--title); font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--primary); font-size: 22px; }
details[open] summary::after { content: "−"; }
details p { padding: 0 22px 20px; color: var(--muted); }
.notice-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; padding: 32px; border-radius: 28px; background: linear-gradient(135deg,#EAF7FF,#F0ECFF 55%,#FFF4D6); border: 1px solid rgba(91,108,255,.16); }
.notice-panel p { margin: 0; color: var(--muted); }
.page-hero { padding: 72px 0 58px; background: radial-gradient(circle at 20% 0,rgba(122,92,255,.17),transparent 36%),radial-gradient(circle at 100% 20%,rgba(0,212,255,.18),transparent 35%),linear-gradient(135deg,#F9F8FF,#ECF8FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 46px; }
.page-hero h1 { font-size: clamp(38px,5vw,64px); }
.page-hero p { color: var(--muted); font-size: 18px; }
.page-hero-figure { padding: 22px; border-radius: 30px; background: rgba(255,255,255,.72); border: 1px solid var(--line); box-shadow: var(--shadow); }
.page-hero-figure img { width: 100%; max-height: 430px; object-fit: contain; }
.mini-features { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: -26px; position: relative; z-index: 2; }
.mini-feature { padding: 20px; }
.mini-feature p { margin: 0; color: var(--muted); font-size: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 34px; align-items: start; }
.prose { padding: 34px; }
.prose h2 { font-size: 30px; margin-top: 36px; }
.prose h2:first-child { margin-top: 0; }
.prose p { color: #46516C; }
.sidebar { display: grid; gap: 18px; position: sticky; top: 98px; }
.sidebar-card { padding: 22px; }
.sidebar-card ul { padding-left: 20px; margin-bottom: 0; color: var(--muted); }
.page-services { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.page-service-card { padding: 23px; }
.page-service-card .num { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--gradient); color: #fff; font-weight: 900; margin-bottom: 14px; }
.page-service-card p { color: var(--muted); }
.app-guide { display: grid; grid-template-columns: .8fr 1.2fr; gap: 28px; align-items: center; padding: 30px; }
.app-guide img { width: 100%; max-height: 350px; object-fit: contain; }
.feedback-card { padding: 30px; background: linear-gradient(135deg,#11182F,#182346); color: #DDE5F8; border-radius: 28px; box-shadow: var(--shadow); }
.feedback-card h2 { color: #fff; }
.feedback-card blockquote { margin: 0 0 16px; font-size: 20px; line-height: 1.75; }
.feedback-card cite { color: #8DEBFF; font-style: normal; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 34px; border-radius: 28px; background: var(--gradient); color: #fff; box-shadow: 0 22px 48px rgba(91,108,255,.25); }
.cta-band h2 { color: #fff; margin-bottom: 8px; }
.cta-band p { margin: 0; color: rgba(255,255,255,.86); }
.cta-band .main-btn { background: #fff; color: var(--primary); box-shadow: none; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 98px; }
.footer-inner { width: min(1200px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr 2fr; gap: 54px; }
.footer-brand p { max-width: 440px; color: #AEB9D8; }
.footer-logo { margin-bottom: 16px; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.footer-links h2 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-links a { display: block; margin: 8px 0; color: #BFC9E1; text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { width: min(1200px, calc(100% - 40px)); margin: 38px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.09); display: flex; justify-content: space-between; gap: 24px; color: #8995B4; font-size: 13px; }
.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
  .nav-core { gap: 2px; }
  .nav-core a { padding: 8px 9px; font-size: 14px; }
  .header-cta { padding-inline: 18px; }
  .hero-grid, .page-hero-grid { gap: 28px; }
  .three-col { grid-template-columns: 1fr 1fr; }
  .three-col .info-card:last-child { grid-column: 1 / -1; }
  .review-grid { grid-template-columns: repeat(2,1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
  .desktop-header-row { display: none; }
  .mobile-header-row { display: flex; width: min(100% - 24px, 720px); min-height: 64px; }
  .mobile-menu-button { flex: 0 0 44px; width: 44px; height: 42px; }
  .mobile-logo { position: absolute; left: 50%; transform: translateX(-50%); }
  .mobile-logo span { display: none; }
  .mobile-logo img { max-width: 110px; max-height: 38px; }
  .mobile-cta { min-height: 40px; padding: 0 15px; font-size: 13px; margin-left: auto; }
  .hero { padding-top: 58px; }
  .hero-grid, .page-hero-grid, .media-split, .two-col, .safety-grid, .app-guide { grid-template-columns: 1fr; }
  .media-collage { grid-template-columns: 1fr 1fr; }
  .hero-copy { max-width: none; }
  .hero-visual { max-width: 680px; margin: 0 auto; }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .highlight-item:nth-child(2) { border-right: 0; }
  .highlight-item { border-bottom: 1px solid rgba(91,108,255,.12); }
  .highlight-item:nth-last-child(-n+2) { border-bottom: 0; }
  .page-services { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
  .footer-bottom { flex-direction: column; }
  .section { padding: 68px 0; }
}
@media (max-width: 640px) {
  body { padding-bottom: 70px; }
  .container { width: min(100% - 28px, 1200px); }
  .section { padding: 58px 0; }
  .section-tight { padding: 42px 0; }
  .section-head { display: block; }
  .section-head .text-link { margin-top: 12px; }
  h1 { font-size: 44px; }
  h2, .section-title { font-size: 30px; }
  .hero-copy .subtitle { margin-top: -8px; font-size: 22px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .main-btn, .secondary-btn { width: 100%; }
  .mobile-cta { width: auto; }
  .floating-media { width: 160px; padding: 10px; font-size: 12px; }
  .floating-one { left: 0; bottom: 5%; }
  .floating-two { right: 0; top: 5%; }
  .highlight-grid, .mini-features, .review-grid, .three-col, .sidebar { grid-template-columns: 1fr; }
  .highlight-item { border-right: 0; border-bottom: 1px solid rgba(91,108,255,.12); }
  .highlight-item:last-child { border-bottom: 0; }
  .three-col .info-card:last-child { grid-column: auto; }
  .service-points { grid-template-columns: 1fr; }
  .notice-panel, .cta-band { grid-template-columns: 1fr; display: grid; }
  .notice-panel .main-btn, .cta-band .main-btn { width: 100%; }
  .prose { padding: 24px 20px; }
  .page-hero { padding: 52px 0 48px; }
  .page-hero p { font-size: 16px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .site-drawer { padding: 20px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 22px 16px; }
  .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 8px; z-index: 9000; display: grid; grid-template-columns: repeat(4,1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.95); backdrop-filter: blur(12px); box-shadow: 0 16px 40px rgba(0,0,0,.22); }
  .mobile-bottom-nav a { display: grid; place-items: center; gap: 2px; color: #B8C3DD; text-decoration: none; font-size: 12px; }
  .mobile-bottom-nav a span { font-size: 17px; line-height: 1; }
  .mobile-bottom-nav a.active { color: #fff; }
}