:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --red: #D94F70;
    --light-blue: #EAF7FF;
    --light-gold: #FFF4D6;
    --purple: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --border: rgba(91,108,255,0.18);
    --shadow: 0 20px 46px rgba(25,43,91,0.14);
    --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", "Noto Sans CJK SC", system-ui, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
body.drawer-open { overflow: hidden; }
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
button, input, textarea { font: inherit; }
.container { width: min(1200px, 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(25,43,91,0.16);
}
.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 72px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 900; letter-spacing: .02em; white-space: nowrap; }
.site-logo img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.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(0,212,255,0.16); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; background: var(--gradient); color: #fff; text-decoration: none; border-radius: 999px; box-shadow: 0 14px 32px rgba(91,108,255,0.22); 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(91,108,255,0.3); }
.main-btn.small { min-height: 42px; padding: 0 19px; font-size: 14px; }
.main-btn.tiny { min-height: 38px; padding: 0 14px; font-size: 13px; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 24px; border-radius: 999px; color: var(--primary); background: #fff; border: 1px solid var(--border); text-decoration: none; font-weight: 800; }
.menu-button { width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08); border-radius: 14px; display: grid; place-content: center; gap: 5px; cursor: pointer; }
.menu-button span { width: 19px; height: 2px; background: #fff; border-radius: 999px; }
.mobile-header { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(7,10,24,.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; box-shadow: -30px 0 60px rgba(11,16,36,.22); transform: translateX(104%); transition: transform .25s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.drawer-head .site-logo { color: var(--title); }
.drawer-close { width: 40px; height: 40px; border: 0; border-radius: 50%; background: var(--light-blue); color: var(--title); font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-note { margin: 20px 0; color: var(--muted); font-size: 14px; }
.drawer-nav { display: grid; gap: 7px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; color: var(--text); text-decoration: none; border-radius: 14px; background: #F8F9FF; border: 1px solid transparent; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--primary); border-color: var(--border); background: #F1F3FF; }
.drawer-safe { margin-top: 20px; padding: 16px; border-radius: 16px; color: #564314; background: var(--light-gold); font-size: 13px; }
.hero { position: relative; overflow: hidden; padding: 84px 0 68px; background: radial-gradient(circle at 82% 16%, rgba(0,212,255,.21), transparent 32%), radial-gradient(circle at 14% 22%, rgba(217,79,112,.16), transparent 30%), linear-gradient(140deg, #F8F3FF 0%, #ECF8FF 53%, #F5F7FF 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.hero::before { width: 240px; height: 240px; background: rgba(122,92,255,.10); left: -90px; top: 25%; }
.hero::after { width: 180px; height: 180px; background: rgba(255,200,87,.16); right: -40px; bottom: 5%; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.04fr .96fr; align-items: center; gap: 64px; }
.hero-copy h1 { margin: 10px 0 14px; color: var(--title); font-size: clamp(44px, 7vw, 82px); line-height: 1.05; letter-spacing: -.04em; }
.hero-subtitle { margin: 0 0 18px; color: var(--deep); font-weight: 800; font-size: clamp(22px, 3vw, 34px); }
.hero-copy p { color: var(--muted); font-size: 17px; }
.eyebrow, .section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #8A6100; background: var(--light-gold); border-radius: 999px; padding: 6px 12px; font-size: 13px; font-weight: 800; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px 18px; margin: 28px 0 0; padding: 0; list-style: none; }
.hero-points li { display: flex; align-items: center; gap: 8px; color: var(--deep); font-weight: 700; font-size: 14px; }
.hero-points li::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); box-shadow: 0 0 0 5px rgba(91,108,255,.1); }
.hero-visual { position: relative; }
.hero-visual img { width: 100%; max-height: 600px; object-fit: contain; filter: drop-shadow(0 30px 36px rgba(25,43,91,.18)); }
.floating-chip { position: absolute; padding: 10px 14px; border-radius: 16px; background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow); font-size: 13px; font-weight: 800; }
.chip-one { left: -6%; top: 18%; }
.chip-two { right: -3%; bottom: 14%; }
.feature-strip { margin-top: -22px; position: relative; z-index: 4; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; overflow: hidden; }
.feature-item { padding: 24px; }
.feature-item + .feature-item { border-left: 1px solid var(--border); }
.feature-item h2 { margin: 0 0 7px; color: var(--title); font-size: 18px; }
.feature-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.section { padding: 82px 0; }
.section.compact { padding: 54px 0; }
.section.alt { background: #fff; }
.section.dark { background: var(--deep); color: #EEF2FF; }
.section-head { max-width: 780px; margin-bottom: 32px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-title { margin: 12px 0 10px; color: var(--title); font-size: clamp(30px, 4vw, 48px); line-height: 1.2; letter-spacing: -.025em; }
.section-intro { margin: 0; color: var(--muted); font-size: 17px; }
.dark .section-title, .dark h2, .dark h3 { color: #fff; }
.dark .section-intro, .dark p { color: #C8D0E8; }
.capsule-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule-link { flex: 1 1 205px; min-height: 118px; padding: 18px; background: #fff; border: 1px solid var(--border); border-radius: 999px 24px 24px 999px; text-decoration: none; box-shadow: 0 10px 26px rgba(25,43,91,.08); transition: transform .2s ease; }
.capsule-link:hover { transform: translateY(-3px); }
.capsule-link strong { display: block; color: var(--title); }
.capsule-link span { display: block; color: var(--muted); font-size: 13px; line-height: 1.6; margin-top: 4px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 56px; }
.media-frame { position: relative; padding: 18px; border-radius: 32px; background: linear-gradient(145deg, rgba(91,108,255,.13), rgba(0,212,255,.12)); border: 1px solid var(--border); }
.media-frame img { width: 100%; max-height: 560px; object-fit: contain; border-radius: 24px; background: #fff; }
.prose h2 { margin: 10px 0 16px; color: var(--title); font-size: clamp(30px, 4vw, 46px); line-height: 1.25; }
.prose h3 { color: var(--title); margin: 24px 0 8px; }
.prose p { color: var(--muted); }
.check-list { display: grid; gap: 12px; padding: 0; margin: 22px 0; list-style: none; }
.check-list li { padding-left: 28px; position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.text-link { color: var(--primary); text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; overflow: hidden; }
.card, .info-card, .review-card { padding: 28px; }
.zone-card img { width: 100%; height: 270px; object-fit: contain; background: linear-gradient(145deg,#F2F0FF,#EEFAFF); }
.zone-card .zone-body { padding: 26px; }
.card h3, .zone-card h3, .info-card h3 { margin: 0 0 10px; color: var(--title); font-size: 24px; }
.card p, .zone-card p, .info-card p { color: var(--muted); }
.mini-list { display: grid; gap: 10px; margin: 18px 0; }
.mini-list span { display: block; padding: 11px 13px; border-radius: 12px; background: #F7F8FF; color: var(--text); font-size: 14px; }
.triple-card { min-height: 100%; display: flex; flex-direction: column; }
.triple-card img { width: 100%; height: 220px; object-fit: contain; background: #F5F8FF; }
.triple-card .zone-body { flex: 1; display: flex; flex-direction: column; }
.triple-card .text-link { margin-top: auto; }
.safety-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.safety-card { position: relative; overflow: hidden; min-height: 430px; padding: 34px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.safety-card img { width: 100%; height: 220px; object-fit: contain; margin-top: 18px; }
.safety-card h3 { font-size: 28px; color: var(--title); margin: 0 0 10px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card blockquote { margin: 0; color: var(--text); }
.review-card footer { margin-top: 16px; color: var(--muted); font-size: 14px; }
.review-stars { color: var(--gold); letter-spacing: 3px; margin-bottom: 10px; }
.faq-list { display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; overflow: hidden; }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 18px; padding: 20px 22px; background: transparent; border: 0; color: var(--title); text-align: left; font-weight: 800; cursor: pointer; }
.faq-question::after { content: "+"; flex: 0 0 auto; width: 30px; height: 30px; display: grid; place-content: center; border-radius: 50%; background: var(--light-blue); 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 { padding: 28px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#F6F0FF 60%,#EAF7FF); border: 1px solid rgba(255,200,87,.48); }
.notice h2, .notice h3 { margin-top: 0; color: var(--title); }
.notice p { color: #5E5A55; }
.inner-hero { padding: 72px 0 56px; background: radial-gradient(circle at 80% 20%,rgba(0,212,255,.18),transparent 30%), linear-gradient(140deg,#F6F1FF,#EAF7FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .8fr; align-items: center; gap: 48px; }
.inner-hero h1 { margin: 12px 0 16px; color: var(--title); font-size: clamp(38px, 6vw, 64px); line-height: 1.1; }
.inner-hero p { color: var(--muted); font-size: 17px; }
.inner-hero img { width: 100%; max-height: 420px; object-fit: contain; filter: drop-shadow(0 26px 34px rgba(25,43,91,.15)); }
.breadcrumbs { color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--primary); text-decoration: none; }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 32px; align-items: start; }
.article-card { padding: 34px; background: #fff; border: 1px solid var(--border); border-radius: 26px; box-shadow: var(--shadow); }
.article-card + .article-card { margin-top: 24px; }
.article-card h2 { color: var(--title); margin: 0 0 14px; font-size: 30px; }
.article-card h3 { color: var(--title); margin-top: 24px; }
.article-card p { color: var(--muted); }
.service-points { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.service-point { padding: 18px; border-radius: 16px; background: #F7F8FF; border: 1px solid var(--border); }
.service-point strong { display: block; color: var(--title); margin-bottom: 5px; }
.service-point p { margin: 0; font-size: 14px; }
.steps { counter-reset: step; display: grid; gap: 14px; }
.step { counter-increment: step; position: relative; padding: 16px 16px 16px 58px; border-radius: 16px; background: #F8FAFF; border: 1px solid var(--border); }
.step::before { content: counter(step); position: absolute; left: 16px; top: 16px; width: 28px; height: 28px; display: grid; place-content: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 900; }
.sidebar { position: sticky; top: 100px; display: grid; gap: 18px; }
.sidebar-card { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 32px rgba(25,43,91,.1); }
.sidebar-card h2, .sidebar-card h3 { margin: 0 0 10px; color: var(--title); font-size: 20px; }
.sidebar-card p { margin: 0 0 14px; color: var(--muted); font-size: 14px; }
.sidebar-links { display: grid; gap: 8px; }
.sidebar-links a { padding: 10px 12px; border-radius: 12px; background: #F7F8FF; color: var(--primary); text-decoration: none; font-weight: 700; font-size: 14px; }
.feedback-card { padding: 22px; border-radius: 20px; background: var(--deep); color: #fff; }
.feedback-card p { color: #D6DCF0; }
.simple-table { width: 100%; border-collapse: collapse; }
.simple-table th, .simple-table td { padding: 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.simple-table th { color: var(--title); background: #F7F8FF; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.footer-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 22px; font-weight: 900; }
.footer-brand img { width: 44px; height: 44px; object-fit: contain; border-radius: 12px; }
.footer-grid h2 { color: #fff; font-size: 16px; margin: 0 0 14px; }
.footer-grid p { color: #AEB8D6; max-width: 470px; }
.footer-grid > div:not(:first-child) { display: flex; flex-direction: column; gap: 9px; }
.footer-grid a { color: #C8D0E8; text-decoration: none; font-size: 14px; }
.footer-grid a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 24px; color: #8E99B8; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 16px; }
.footer-bottom a { color: #C8D0E8; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1020px) {
    .desktop-header { display: none; }
    .mobile-header { display: flex; }
    .hero-grid, .inner-hero-grid, .split { grid-template-columns: 1fr; }
    .hero { padding-top: 58px; }
    .hero-copy { text-align: center; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 680px; margin: 0 auto; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .feature-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .feature-item:nth-child(4) { border-top: 1px solid var(--border); }
    .card-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .content-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 720px) {
    .container { width: min(100% - 28px, 1200px); }
    .header-inner { min-height: 64px; padding: 0 14px; gap: 10px; }
    .mobile-logo span { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .hero { padding: 44px 0 46px; }
    .hero-copy h1 { font-size: 48px; }
    .hero-copy p { font-size: 15px; }
    .floating-chip { position: static; display: inline-flex; margin: 8px 4px 0; }
    .feature-strip { margin-top: 16px; }
    .feature-grid { grid-template-columns: 1fr; }
    .feature-item + .feature-item { border-left: 0; border-top: 1px solid var(--border); }
    .section { padding: 58px 0; }
    .section.compact { padding: 40px 0; }
    .section-title, .prose h2 { font-size: 32px; }
    .capsule-link { flex-basis: 100%; border-radius: 20px; }
    .card-grid, .card-grid.two, .review-grid, .safety-panel, .service-points, .sidebar { grid-template-columns: 1fr; }
    .zone-card img { height: 220px; }
    .safety-card { min-height: auto; }
    .article-card { padding: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; }
    .site-footer { padding-bottom: 96px; }
    .mobile-bottom-nav { position: fixed; left: 12px; right: 12px; bottom: 10px; z-index: 8000; display: grid; grid-template-columns: repeat(4, 1fr); padding: 8px; border-radius: 20px; background: rgba(11,16,36,.94); backdrop-filter: blur(12px); box-shadow: 0 12px 34px rgba(11,16,36,.35); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: 7px 4px; color: #B8C2DF; text-decoration: none; font-size: 12px; border-radius: 14px; }
    .mobile-bottom-nav a span { font-size: 17px; line-height: 1; }
    .mobile-bottom-nav a.active { color: #fff; background: rgba(91,108,255,.35); }
    body { padding-bottom: 72px; }
}