:root {
  --bg: #F5F7FF;
  --ink: #1F2740;
  --muted: #66708A;
  --soft: #9AA4BA;
  --title: #131A35;
  --brand: #5B6CFF;
  --purple: #7A5CFF;
  --cyan: #00D4FF;
  --gold: #FFC857;
  --pink: #D94F70;
  --deep: #16213E;
  --card: #FFFFFF;
  --border: 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(--ink); font-family: "PingFang SC", "Microsoft YaHei", Arial, sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--brand); text-decoration: none; }
a:hover { color: var(--purple); }
img { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
.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 { max-width: 1280px; margin: 0 auto; min-height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 22px; }
.site-logo, .drawer-brand, .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .04em; }
.site-logo { color: #fff; flex: 0 0 auto; }
.site-logo:hover { color: #fff; }
.site-logo img { max-height: 44px; width: 44px; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; white-space: nowrap; 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; flex: 0 0 auto; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 999px; background: var(--gradient); color: #fff; font-weight: 750; box-shadow: 0 14px 32px rgba(91,108,255,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.compact-btn { min-height: 40px; padding: 0 18px; font-size: 14px; }
.menu-toggle { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.16); background: rgba(255,255,255,.08); border-radius: 13px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 999px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,11,29,.56); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(390px, 90vw); height: 100vh; padding: 22px; background: #fff; transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; box-shadow: -24px 0 60px rgba(11,16,36,.24); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.drawer-brand { color: var(--title); }
.drawer-brand img { width: 42px; height: 42px; object-fit: contain; }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 12px; background: #F1F3FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-intro { color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0; }
.drawer-nav a { padding: 11px 13px; border-radius: 14px; background: #F5F7FF; color: var(--ink); font-weight: 650; }
.drawer-nav a:hover { background: #EAF7FF; color: var(--brand); }
.drawer-notice { padding: 14px; border-radius: 16px; background: #FFF4D6; color: #635127; font-size: 13px; }
.site-main { min-height: 70vh; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.section { padding: 78px 0; }
.section.tight { padding: 44px 0; }
.section-title { margin: 0 0 14px; color: var(--title); font-size: clamp(28px, 4vw, 46px); line-height: 1.22; letter-spacing: -.02em; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #A06A00; font-size: 13px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 999px; background: linear-gradient(90deg,var(--gold),var(--pink)); }
.section-lead { max-width: 760px; color: var(--muted); font-size: 17px; }
.hero { position: relative; overflow: hidden; padding: 72px 0 62px; background: radial-gradient(circle at 10% 10%, rgba(122,92,255,.18), transparent 34%), radial-gradient(circle at 86% 12%, rgba(0,212,255,.2), transparent 30%), linear-gradient(145deg,#F8F2FF 0%,#EEF8FF 50%,#FFF5FA 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; right: -80px; top: 80px; background: rgba(91,108,255,.1); }
.hero::after { width: 180px; height: 180px; left: -60px; bottom: -50px; background: rgba(217,79,112,.1); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; gap: 54px; align-items: center; }
.hero-copy h1 { margin: 0; color: var(--title); font-size: clamp(54px, 8vw, 96px); line-height: .98; letter-spacing: -.05em; }
.hero-copy .subtitle { margin: 20px 0 16px; color: var(--deep); font-size: clamp(24px, 3vw, 38px); font-weight: 800; line-height: 1.3; }
.hero-copy p { color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1px solid rgba(91,108,255,.3); background: rgba(255,255,255,.74); color: var(--brand); font-weight: 750; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { padding: 8px 13px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--deep); font-size: 14px; box-shadow: 0 8px 22px rgba(25,43,91,.08); }
.hero-visual { position: relative; padding: 18px; border-radius: 34px; background: rgba(255,255,255,.58); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); }
.hero-visual img { width: 100%; max-height: 620px; object-fit: contain; border-radius: 24px; }
.floating-card { position: absolute; padding: 12px 14px; border-radius: 16px; background: rgba(17,24,47,.92); color: #fff; box-shadow: 0 16px 34px rgba(11,16,36,.24); font-size: 13px; }
.floating-card.one { left: -26px; bottom: 54px; }
.floating-card.two { right: -22px; top: 42px; background: linear-gradient(135deg,rgba(91,108,255,.95),rgba(217,79,112,.9)); }
.highlights { position: relative; z-index: 3; margin-top: -22px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.highlight-item { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 16px 36px rgba(25,43,91,.1); }
.highlight-item h2, .highlight-item h3 { margin: 0 0 7px; color: var(--title); font-size: 18px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.capsule-wrap { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule { flex: 1 1 180px; min-width: 0; padding: 15px 17px; border-radius: 999px; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 24px rgba(25,43,91,.07); }
.capsule strong { display: block; color: var(--title); font-size: 15px; }
.capsule span { display: block; color: var(--muted); font-size: 12px; line-height: 1.55; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { padding: 16px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.split-media img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 20px; }
.split-copy p { color: var(--muted); }
.text-link { display: inline-flex; align-items: center; gap: 7px; font-weight: 750; }
.text-link::after { content: "→"; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.two-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.cards-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#F4F1FF,#EDF9FF); }
.zone-card .body { padding: 24px; }
.zone-card h3 { margin: 0 0 10px; color: var(--title); font-size: 24px; }
.zone-card p { color: var(--muted); }
.service-points { display: grid; gap: 10px; margin: 18px 0; }
.service-point { padding: 11px 13px; border-radius: 14px; background: #F5F7FF; color: var(--ink); font-size: 14px; }
.dark-band { background: #11182F; color: #EEF2FF; }
.dark-band .section-title, .dark-band h3 { color: #fff; }
.dark-band .section-lead, .dark-band p { color: #C8D1EA; }
.safety-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.safety-card { display: grid; grid-template-columns: 160px 1fr; gap: 20px; align-items: center; padding: 20px; border-radius: 24px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.safety-card img { width: 160px; height: 150px; object-fit: contain; border-radius: 18px; background: rgba(255,255,255,.06); }
.reviews { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { padding: 22px; }
.review-card p { margin: 0 0 15px; color: var(--ink); }
.review-card span { color: var(--muted); font-size: 13px; }
.faq-list { display: grid; gap: 12px; }
details.faq-item { border-radius: 18px; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 25px rgba(25,43,91,.07); }
details.faq-item summary { cursor: pointer; list-style: none; padding: 18px 22px; color: var(--title); font-weight: 800; }
details.faq-item summary::-webkit-details-marker { display: none; }
details.faq-item p { margin: 0; padding: 0 22px 20px; color: var(--muted); }
.notice-panel { padding: 26px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#FFF9EC); border: 1px solid rgba(255,200,87,.45); color: #5C4A20; }
.notice-panel h2, .notice-panel h3 { margin-top: 0; color: #4B3C16; }
.inner-hero { padding: 70px 0 54px; background: radial-gradient(circle at 15% 20%,rgba(122,92,255,.16),transparent 34%), radial-gradient(circle at 88% 22%,rgba(0,212,255,.17),transparent 30%), linear-gradient(145deg,#F7F1FF,#EEF9FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 44px; align-items: center; }
.inner-hero h1 { margin: 0 0 16px; color: var(--title); font-size: clamp(40px,6vw,68px); line-height: 1.08; }
.inner-hero p { color: var(--muted); font-size: 17px; }
.inner-hero img { width: 100%; max-height: 460px; object-fit: contain; border-radius: 28px; background: rgba(255,255,255,.72); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 16px; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 28px; align-items: start; }
.article-content { min-width: 0; }
.article-content section { padding: 28px; margin-bottom: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(25,43,91,.08); }
.article-content h2 { margin: 0 0 12px; color: var(--title); font-size: 28px; }
.article-content h3 { color: var(--title); }
.article-content p { color: var(--muted); }
.article-content ul { padding-left: 20px; color: var(--muted); }
.sidebar { position: sticky; top: 96px; display: grid; gap: 16px; }
.sidebar-card { padding: 20px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 28px rgba(25,43,91,.08); }
.sidebar-card h2, .sidebar-card h3 { margin: 0 0 10px; color: var(--title); font-size: 19px; }
.sidebar-card a { display: block; padding: 8px 0; border-bottom: 1px dashed rgba(91,108,255,.16); }
.sidebar-card a:last-child { border-bottom: 0; }
.steps { counter-reset: step; display: grid; gap: 12px; }
.step { position: relative; padding: 16px 16px 16px 56px; border-radius: 16px; background: #F5F7FF; color: var(--muted); }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 15px; top: 15px; width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--gradient); color: #fff; font-weight: 800; }
.feedback { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.feedback blockquote { margin: 0; padding: 18px; border-radius: 16px; background: #F8F9FF; border-left: 4px solid var(--brand); color: var(--muted); }
.feedback cite { display: block; margin-top: 8px; color: var(--title); font-style: normal; font-weight: 700; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 56px 0 20px; }
.footer-inner { width: min(1180px,calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 34px; }
.footer-brand p { max-width: 440px; color: #B9C2DC; }
.footer-logo { color: #fff; font-size: 20px; }
.footer-logo:hover { color: #fff; }
.footer-logo img { width: 46px; height: 46px; object-fit: contain; }
.site-footer h2 { color: #fff; font-size: 16px; }
.site-footer section > a { display: block; color: #C8D1EA; padding: 5px 0; }
.site-footer section > a:hover { color: #fff; }
.footer-bottom { width: min(1180px,calc(100% - 40px)); margin: 32px auto 0; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; gap: 12px 22px; color: #98A4C3; font-size: 13px; }
.footer-bottom a { color: #EEF2FF; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
  .nav-core { gap: 2px; }
  .nav-core a { padding: 8px 8px; font-size: 14px; }
  .hero-grid, .inner-hero-grid { gap: 32px; }
  .cards-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
  .header-inner { min-height: 66px; padding: 0 14px; }
  .nav-core, .desktop-menu-toggle { display: none; }
  .mobile-menu-toggle { display: inline-flex; order: 1; }
  .site-logo { order: 2; position: absolute; left: 50%; transform: translateX(-50%); }
  .site-logo strong { display: none; }
  .header-actions { order: 3; margin-left: auto; }
  .compact-btn { min-height: 38px; padding: 0 14px; font-size: 13px; }
  .hero-grid, .inner-hero-grid, .split, .two-grid, .safety-grid, .article-layout { grid-template-columns: 1fr; }
  .hero-copy h1 { font-size: clamp(50px,15vw,78px); }
  .hero-visual { max-width: 650px; margin: 0 auto; }
  .floating-card.one { left: 8px; }
  .floating-card.two { right: 8px; }
  .highlight-grid { grid-template-columns: repeat(2,1fr); }
  .three-grid, .reviews { grid-template-columns: repeat(2,1fr); }
  .split.reverse .split-media { order: initial; }
  .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 620px) {
  body { padding-bottom: calc(68px + env(safe-area-inset-bottom)); }
  .container { width: min(100% - 28px,1180px); }
  .section { padding: 56px 0; }
  .hero { padding: 52px 0 46px; }
  .hero-grid { gap: 28px; }
  .hero-copy .subtitle { font-size: 25px; }
  .hero-copy p, .inner-hero p { font-size: 15px; }
  .hero-actions { align-items: stretch; }
  .hero-actions a { width: 100%; }
  .highlight-grid, .three-grid, .cards-grid, .reviews, .feedback, .sidebar, .footer-inner { grid-template-columns: 1fr; }
  .highlight-item { padding: 18px; }
  .capsule { flex-basis: 100%; border-radius: 18px; }
  .safety-card { grid-template-columns: 100px 1fr; }
  .safety-card img { width: 100px; height: 100px; }
  .inner-hero { padding: 48px 0 42px; }
  .inner-hero h1 { font-size: 42px; }
  .article-content section { padding: 21px; }
  .drawer-nav { grid-template-columns: 1fr; }
  .site-drawer { width: min(360px,92vw); left: 0; right: auto; transform: translateX(-105%); }
  .site-drawer.open { transform: translateX(0); }
  .mobile-bottom-nav { position: fixed; z-index: 9000; left: 10px; right: 10px; bottom: max(10px,env(safe-area-inset-bottom)); min-height: 58px; display: grid; grid-template-columns: repeat(4,1fr); align-items: center; padding: 6px; border-radius: 20px; background: rgba(11,16,36,.95); backdrop-filter: blur(12px); box-shadow: 0 16px 36px rgba(11,16,36,.24); }
  .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: #EEF2FF; font-size: 11px; }
  .mobile-bottom-nav span { font-size: 18px; line-height: 1; }
}