* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: #F5F7FF;
    color: #1F2740;
    font-family: "PingFang SC", "Microsoft YaHei", 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, select { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -70px; z-index: 12000; padding: 10px 16px; border-radius: 12px; background: #fff; color: #131A35; box-shadow: 0 12px 30px rgba(0,0,0,.18); transition: top .2s; }
.skip-link:focus { top: 12px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow { width: min(860px, calc(100% - 40px)); margin: 0 auto; }
section { position: relative; padding: 84px 0; }
.section-soft { background: linear-gradient(180deg, rgba(234,247,255,.7), rgba(245,247,255,.4)); }
.section-white { background: #fff; }
.section-dark { background: #11182F; color: #EEF2FF; }
h1, h2, h3, h4, .section-title { margin-top: 0; color: #131A35; line-height: 1.25; }
h1 { font-size: clamp(2.55rem, 7vw, 5.8rem); letter-spacing: -.05em; }
h2 { font-size: clamp(1.9rem, 4vw, 3.15rem); letter-spacing: -.035em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1.15em; }
.section-dark h2, .section-dark h3 { color: #fff; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #7A5CFF; font-size: .85rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.section-kicker::before { content: ""; width: 26px; height: 2px; border-radius: 99px; background: linear-gradient(90deg, #5B6CFF, #00D4FF); }
.section-head { max-width: 760px; margin-bottom: 38px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .section-kicker { justify-content: center; }
.lead { font-size: 1.1rem; color: #66708A; }
.text-link { color: #5B6CFF; font-weight: 700; text-decoration: none; }
.text-link:hover { color: #7A5CFF; text-decoration: underline; }
.main-btn, .ghost-btn, .soft-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 46px; padding: 0 22px; border-radius: 999px; text-decoration: none; font-weight: 800; border: 1px solid transparent; transition: transform .2s, box-shadow .2s, background .2s;
}
.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 { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.ghost-btn { color: #5B6CFF; background: #fff; border-color: rgba(91,108,255,.25); }
.soft-btn { color: #16213E; background: #EAF7FF; }
.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(1280px, calc(100% - 36px)); min-height: 72px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 1.12rem; font-weight: 900; text-decoration: none; white-space: nowrap; }
.site-logo img { width: auto; max-width: 120px; max-height: 44px; display: block; object-fit: contain; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: .94rem; 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; }
.header-cta { min-height: 42px; padding: 0 18px; }
.menu-toggle { width: 42px; height: 42px; padding: 0; border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; border-radius: 9px; background: #fff; }
.menu-toggle-mobile { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(4,8,22,.58); opacity: 0; transition: opacity .22s; }
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 90vw); height: 100dvh; padding: 22px; background: #fff; box-shadow: -24px 0 80px rgba(5,11,34,.24); transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.drawer-brand { display: inline-flex; align-items: center; gap: 10px; color: #131A35; font-size: 1.12rem; font-weight: 900; text-decoration: none; }
.drawer-brand img { max-width: 110px; max-height: 40px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 14px; background: #EFF2FF; color: #16213E; font-size: 1.8rem; line-height: 1; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; background: #F5F7FF; color: #1F2740; text-decoration: none; font-weight: 700; }
.drawer-nav a:hover { background: #EAF7FF; color: #5B6CFF; }
.drawer-note { margin-top: 22px; padding: 18px; border-radius: 18px; background: #FFF4D6; color: #54451C; }
.drawer-note p { margin: 6px 0 0; font-size: .9rem; }

.hero { padding: 72px 0 62px; overflow: hidden; background: radial-gradient(circle at 15% 18%, rgba(122,92,255,.22), transparent 34%), radial-gradient(circle at 88% 20%, rgba(0,212,255,.18), transparent 32%), linear-gradient(140deg, #F8F5FF 0%, #EEF7FF 48%, #FFF3FA 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; left: -90px; bottom: -70px; background: rgba(255,200,87,.18); }
.hero::after { width: 340px; height: 340px; right: -130px; top: 40px; border: 1px solid rgba(91,108,255,.18); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero-copy { position: relative; z-index: 2; }
.hero h1 { margin-bottom: 18px; background: linear-gradient(120deg, #131A35 8%, #5B6CFF 55%, #D94F70 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-subtitle { font-size: clamp(1.35rem, 3vw, 2.05rem); font-weight: 800; color: #16213E; margin-bottom: 20px; }
.hero-copy .lead { max-width: 700px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-points span { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.75); border: 1px solid rgba(91,108,255,.16); color: #424D70; font-size: .9rem; font-weight: 700; box-shadow: 0 10px 25px rgba(25,43,91,.08); }
.hero-visual { position: relative; z-index: 1; }
.hero-visual::before { content: ""; position: absolute; inset: 10% 2% 4% 8%; border-radius: 36px; background: linear-gradient(135deg, rgba(91,108,255,.18), rgba(0,212,255,.16)); transform: rotate(4deg); }
.hero-visual img { position: relative; width: 100%; max-height: 610px; display: block; object-fit: contain; filter: drop-shadow(0 28px 36px rgba(25,43,91,.2)); }

.highlight-strip { padding: 0; margin-top: -2px; }
.highlight-grid { position: relative; z-index: 4; display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border: 1px solid rgba(91,108,255,.16); border-radius: 24px; box-shadow: 0 20px 46px rgba(25,43,91,.12); overflow: hidden; }
.highlight-item { padding: 24px; }
.highlight-item + .highlight-item { border-left: 1px solid rgba(91,108,255,.12); }
.highlight-item h3 { margin-bottom: 8px; font-size: 1.05rem; }
.highlight-item p { margin: 0; color: #66708A; font-size: .91rem; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 190px; padding: 16px 18px; border-radius: 18px; background: #fff; border: 1px solid rgba(91,108,255,.15); box-shadow: 0 12px 32px rgba(25,43,91,.08); text-decoration: none; }
.channel-pill strong { display: block; color: #131A35; margin-bottom: 4px; }
.channel-pill span { display: block; color: #66708A; font-size: .88rem; }
.channel-pill:hover { transform: translateY(-2px); border-color: rgba(91,108,255,.36); }

.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid rgba(91,108,255,.18); box-shadow: 0 20px 46px rgba(25,43,91,.14); border-radius: 22px; }
.card { padding: 28px; }
.media-split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 54px; }
.media-split.reverse .media-copy { order: 2; }
.media-split.reverse .media-frame { order: 1; }
.media-frame { position: relative; padding: 18px; border-radius: 28px; background: linear-gradient(145deg, #fff, #EFF8FF); border: 1px solid rgba(91,108,255,.16); box-shadow: 0 24px 56px rgba(25,43,91,.14); }
.media-frame img { width: 100%; max-height: 520px; display: block; object-fit: contain; border-radius: 20px; }
.feature-list { display: grid; gap: 12px; margin: 24px 0; }
.feature-list div { display: flex; gap: 12px; align-items: flex-start; }
.feature-list i { flex: 0 0 28px; width: 28px; height: 28px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; background: #EAF7FF; color: #5B6CFF; font-style: normal; font-weight: 900; }
.feature-list strong { display: block; color: #131A35; }
.feature-list p { margin: 3px 0 0; color: #66708A; font-size: .93rem; }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; max-height: 320px; object-fit: contain; background: linear-gradient(145deg, #EEF7FF, #FFF3FA); }
.zone-body { padding: 28px; }
.zone-body p { color: #66708A; }
.mini-points { display: grid; gap: 10px; padding: 0; margin: 20px 0; list-style: none; }
.mini-points li { position: relative; padding-left: 22px; color: #424D70; }
.mini-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: linear-gradient(135deg, #5B6CFF, #00D4FF); }
.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.info-card { overflow: hidden; }
.info-card img { width: 100%; height: 230px; object-fit: contain; background: linear-gradient(145deg, #EFF8FF, #FFF4D6); }
.info-card .card-copy { padding: 24px; }
.info-card p { color: #66708A; }
.safety-panel { display: grid; grid-template-columns: .92fr 1.08fr; gap: 28px; align-items: stretch; }
.safety-images { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.safety-images img { width: 100%; height: 100%; min-height: 320px; object-fit: contain; border-radius: 22px; background: #fff; border: 1px solid rgba(91,108,255,.18); box-shadow: 0 18px 40px rgba(25,43,91,.12); }
.safety-copy { padding: 34px; border-radius: 26px; background: #11182F; color: #EEF2FF; }
.safety-copy h2, .safety-copy h3 { color: #fff; }
.safety-copy .feature-list strong { color: #fff; }
.safety-copy .feature-list p { color: #C5CDEA; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card p { color: #4C5673; }
.review-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 18px; color: #8A94AD; font-size: .88rem; }
.review-meta strong { color: #5B6CFF; }
.faq-list { display: grid; gap: 14px; }
.faq-item { border: 1px solid rgba(91,108,255,.17); border-radius: 18px; background: #fff; box-shadow: 0 10px 28px rgba(25,43,91,.07); overflow: hidden; }
.faq-item details { padding: 0 22px; }
.faq-item summary { cursor: pointer; list-style: none; padding: 20px 36px 20px 0; font-weight: 800; color: #131A35; position: relative; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; position: absolute; right: 0; top: 16px; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: #EFF2FF; color: #5B6CFF; }
.faq-item details[open] summary::after { content: "−"; }
.faq-item .answer { padding: 0 0 20px; color: #66708A; }
.notice-band { padding: 30px; border-radius: 24px; background: linear-gradient(120deg, #FFF4D6, #FFF8E9); border: 1px solid rgba(255,200,87,.45); }
.notice-band h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
.notice-band p:last-child { margin-bottom: 0; }

.page-hero { padding: 72px 0 58px; overflow: hidden; background: radial-gradient(circle at 90% 20%, rgba(0,212,255,.18), transparent 34%), radial-gradient(circle at 8% 90%, rgba(122,92,255,.17), transparent 36%), linear-gradient(145deg, #F7F4FF, #EFF9FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 52px; }
.page-hero h1 { font-size: clamp(2.45rem, 6vw, 4.7rem); margin-bottom: 18px; }
.page-hero .lead { font-size: 1.08rem; }
.page-hero img { width: 100%; max-height: 470px; object-fit: contain; filter: drop-shadow(0 24px 30px rgba(25,43,91,.18)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 18px; color: #7D87A1; font-size: .9rem; }
.breadcrumb a { color: #5B6CFF; text-decoration: none; }
.content-section { padding: 72px 0; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; align-items: start; }
.article-main { min-width: 0; }
.article-section { padding: 30px; margin-bottom: 22px; border-radius: 22px; background: #fff; border: 1px solid rgba(91,108,255,.16); box-shadow: 0 18px 40px rgba(25,43,91,.1); }
.article-section h2 { font-size: clamp(1.45rem, 3vw, 2rem); margin-bottom: 16px; }
.article-section p { color: #4F5975; }
.article-section ul { margin: 16px 0 0; padding-left: 1.2em; color: #4F5975; }
.article-section li + li { margin-top: 8px; }
.article-image { width: 100%; max-height: 520px; object-fit: contain; border-radius: 20px; background: linear-gradient(145deg, #EFF8FF, #FFF4F8); }
.sidebar { position: sticky; top: 100px; display: grid; gap: 18px; }
.sidebar-card { padding: 24px; border-radius: 20px; background: #11182F; color: #EEF2FF; box-shadow: 0 20px 45px rgba(17,24,47,.22); }
.sidebar-card h3 { color: #fff; }
.sidebar-card p { color: #C5CDEA; font-size: .92rem; }
.sidebar-links { display: grid; gap: 8px; }
.sidebar-links a { padding: 10px 12px; border-radius: 12px; color: #EEF2FF; text-decoration: none; background: rgba(255,255,255,.07); }
.sidebar-links a:hover { background: rgba(0,212,255,.15); }
.service-steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: steps; }
.service-step { position: relative; padding: 25px; border-radius: 20px; background: #fff; border: 1px solid rgba(91,108,255,.16); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.service-step::before { counter-increment: steps; content: counter(steps, decimal-leading-zero); display: inline-flex; margin-bottom: 14px; color: #7A5CFF; font-weight: 900; letter-spacing: .08em; }
.service-step p { color: #66708A; }
.quote-panel { padding: 30px; border-radius: 24px; background: linear-gradient(135deg, #16213E, #11182F); color: #EEF2FF; }
.quote-panel h2, .quote-panel h3 { color: #fff; }
.quote-panel p { color: #D2D8ED; }
.faq-page .faq-item .answer { padding-right: 12px; }

.footer-cta { padding: 54px 0; background: linear-gradient(125deg, #EAF7FF, #F3EEFF 55%, #FFF4D6); }
.footer-cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 36px; }
.footer-cta-inner h2 { max-width: 720px; margin-bottom: 12px; font-size: clamp(1.65rem, 3.6vw, 2.8rem); }
.footer-cta-inner p { max-width: 760px; color: #66708A; margin-bottom: 0; }
.footer-cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex-shrink: 0; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 66px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(4, 1fr); gap: 28px; }
.footer-logo { margin-bottom: 16px; }
.footer-brand p { max-width: 370px; color: #AEB8D4; }
.site-footer h3 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
.site-footer a:not(.site-logo) { display: block; color: #AEB8D4; text-decoration: none; margin: 9px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 26px; padding-top: 24px; margin-top: 40px; border-top: 1px solid rgba(255,255,255,.1); color: #8994B3; font-size: .85rem; }
.footer-bottom p { margin: 0; max-width: 560px; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1080px) {
    .nav-core a { padding: 8px 8px; font-size: .88rem; }
    .header-inner { gap: 12px; }
    .hero-grid, .page-hero-grid { gap: 30px; }
    .footer-grid { grid-template-columns: 1.6fr repeat(2, 1fr); }
}
@media (max-width: 900px) {
    section { padding: 68px 0; }
    .nav-core, .menu-toggle-desktop { display: none; }
    .menu-toggle-mobile { display: inline-flex; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo span { display: none; }
    .site-logo img { max-width: 102px; max-height: 40px; }
    .header-inner { min-height: 66px; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 39px; padding: 0 15px; font-size: .88rem; }
    .hero-grid, .page-hero-grid, .media-split, .safety-panel { grid-template-columns: 1fr; }
    .hero { padding-top: 54px; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-points, .hero-copy .button-row { justify-content: center; }
    .hero-visual img { max-height: 500px; }
    .highlight-grid { grid-template-columns: 1fr 1fr; }
    .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(91,108,255,.12); }
    .highlight-item:nth-child(4) { border-top: 1px solid rgba(91,108,255,.12); }
    .triple-grid, .review-grid { grid-template-columns: 1fr 1fr; }
    .media-split.reverse .media-copy, .media-split.reverse .media-frame { order: initial; }
    .page-hero-copy { text-align: center; }
    .breadcrumb, .page-hero .button-row { justify-content: center; }
    .article-grid { grid-template-columns: 1fr; }
    .sidebar { position: static; grid-template-columns: 1fr 1fr; }
    .service-steps { grid-template-columns: 1fr; }
    .footer-cta-inner { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 680px) {
    body { padding-bottom: 72px; }
    .container, .narrow { width: min(100% - 28px, 1180px); }
    section { padding: 54px 0; }
    h1 { font-size: clamp(2.3rem, 14vw, 3.7rem); }
    .header-inner { width: calc(100% - 24px); }
    .hero { padding-top: 42px; }
    .hero-subtitle { font-size: 1.25rem; }
    .highlight-strip .container { width: calc(100% - 20px); }
    .highlight-grid { grid-template-columns: 1fr; border-radius: 20px; }
    .highlight-item + .highlight-item, .highlight-item:nth-child(3), .highlight-item:nth-child(4) { border-left: 0; border-top: 1px solid rgba(91,108,255,.12); }
    .dual-grid, .triple-grid, .review-grid, .sidebar, .safety-images { grid-template-columns: 1fr; }
    .card, .zone-body, .article-section { padding: 22px; }
    .zone-card img, .info-card img { max-height: 260px; }
    .safety-images img { min-height: 250px; }
    .page-hero { padding: 50px 0 42px; }
    .page-hero h1 { font-size: clamp(2.15rem, 12vw, 3.4rem); }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { padding: 18px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav { position: fixed; left: 10px; right: 10px; bottom: 9px; z-index: 9998; 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 14px 34px rgba(5,8,24,.3); }
    .mobile-bottom-nav a { display: grid; justify-items: center; gap: 2px; color: #DCE4FF; text-decoration: none; font-size: .72rem; }
    .mobile-bottom-nav span { font-size: 1rem; color: #00D4FF; }
    .footer-cta-actions { width: 100%; }
    .footer-cta-actions a { flex: 1; }
}
@media (max-width: 420px) {
    .header-cta { padding: 0 12px; }
    .site-logo img { max-width: 84px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
}