:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --brand: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --violet: #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: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 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(--violet); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font: inherit; }
.skip-link { position: fixed; left: 12px; top: -70px; z-index: 12000; background: #fff; color: var(--title); padding: 10px 14px; border-radius: 12px; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; width: 100%; z-index: 9999; background: var(--nav); backdrop-filter: blur(14px); box-shadow: 0 8px 26px rgba(25,43,91,0.16); }
.header-inner { width: min(1280px, calc(100% - 36px)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo, .footer-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; white-space: nowrap; }
.site-logo img, .footer-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo strong, .footer-logo strong { font-size: 20px; letter-spacing: .02em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 4px; flex: 1; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 11px; font-size: 15px; white-space: nowrap; }
.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: 10px; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border-radius: 999px; background: var(--gradient); color: #fff; font-weight: 700; box-shadow: 0 14px 32px rgba(91,108,255,0.22); transition: transform .25s ease, box-shadow .25s ease; }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 36px rgba(91,108,255,0.3); }
.main-btn.secondary { background: #fff; color: var(--brand); border: 1px solid var(--border); box-shadow: none; }
.menu-button, .drawer-close { border: 0; cursor: pointer; }
.menu-button { width: 44px; height: 44px; padding: 11px; border-radius: 14px; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; }
.menu-button span { display: block; height: 2px; width: 100%; border-radius: 3px; background: #fff; }
.mobile-menu-button { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10010; background: rgba(3,8,24,.56); backdrop-filter: blur(4px); }
.site-drawer { position: fixed; right: 0; top: 0; z-index: 10020; width: min(430px, 92vw); height: 100dvh; overflow-y: auto; background: #0E1530; color: #fff; padding: 28px; transform: translateX(105%); transition: transform .32s ease; box-shadow: -20px 0 60px rgba(0,0,0,.25); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.drawer-head strong { display: block; font-size: 25px; margin-top: 3px; }
.eyebrow, .section-kicker { color: var(--gold); font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.drawer-close { width: 42px; height: 42px; border-radius: 14px; background: rgba(255,255,255,.1); color: #fff; font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.drawer-nav a { display: flex; flex-direction: column; gap: 2px; color: #fff; padding: 14px; border: 1px solid rgba(255,255,255,.09); border-radius: 16px; background: rgba(255,255,255,.04); }
.drawer-nav a:hover { background: rgba(91,108,255,.22); }
.drawer-nav a span { color: #AAB6D8; font-size: 12px; }
.drawer-note { margin-top: 20px; padding: 16px; border-radius: 16px; background: rgba(0,212,255,.08); color: #C9D4F2; font-size: 13px; }
.hero { position: relative; overflow: hidden; padding: 78px 0 64px; background: radial-gradient(circle at 80% 15%, rgba(0,212,255,.18), transparent 30%), radial-gradient(circle at 20% 20%, rgba(217,79,112,.13), transparent 28%), linear-gradient(135deg,#F3F0FF 0%,#EAF7FF 52%,#FFF5FA 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 240px; height: 240px; right: -70px; top: 60px; background: rgba(122,92,255,.12); }
.hero::after { width: 160px; height: 160px; left: -45px; bottom: 30px; background: rgba(0,212,255,.12); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.hero-copy h1, .page-hero h1 { margin: 10px 0 16px; color: var(--title); font-size: clamp(42px,6vw,78px); line-height: 1.03; letter-spacing: -.04em; }
.hero-copy .subtitle { color: var(--violet); font-size: clamp(22px,3vw,34px); font-weight: 800; margin: 0 0 20px; }
.hero-copy .lead, .page-hero .lead { color: var(--muted); font-size: 17px; max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.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: rgba(255,255,255,.74); border: 1px solid var(--border); color: var(--deep); font-size: 13px; font-weight: 700; }
.hero-visual { position: relative; padding: 24px; }
.hero-visual::before { content:""; position:absolute; inset: 8% 0 0 10%; border-radius: 40px; background: var(--gradient); opacity: .18; transform: rotate(4deg); }
.hero-visual img { position: relative; width: 100%; max-height: 560px; object-fit: contain; filter: drop-shadow(0 28px 38px rgba(22,33,62,.24)); }
.floating-note { position: absolute; z-index: 2; background: rgba(255,255,255,.9); border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 18px; padding: 12px 16px; font-size: 13px; font-weight: 700; color: var(--deep); }
.floating-note.one { left: 0; bottom: 15%; }
.floating-note.two { right: 0; top: 12%; }
.highlight-strip { margin-top: -20px; position: relative; z-index: 2; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); background: #fff; border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); overflow: hidden; }
.highlight-item { padding: 24px; }
.highlight-item + .highlight-item { border-left: 1px solid var(--border); }
.highlight-item strong { display: block; color: var(--title); font-size: 17px; margin-bottom: 5px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 13px; }
.section { padding: 76px 0; }
.section.compact { padding: 54px 0; }
.section-dark { background: var(--deep); color: #EEF2FF; }
.section-soft { background: linear-gradient(180deg,#EFF8FF 0%,#F5F7FF 100%); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.section-heading > div { max-width: 760px; }
.section-heading h2, .page-section h2 { color: var(--title); margin: 7px 0 10px; font-size: clamp(29px,4vw,46px); line-height: 1.18; letter-spacing: -.025em; }
.section-dark .section-heading h2 { color: #fff; }
.section-heading p { margin: 0; color: var(--muted); }
.section-dark .section-heading p { color: #B8C4E4; }
.text-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 800; white-space: nowrap; }
.text-link::after { content: "→"; }
.pill-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.pill-link { flex: 1 1 190px; min-height: 88px; padding: 16px 18px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 10px 25px rgba(25,43,91,.07); }
.pill-link strong { display: block; color: var(--title); margin-bottom: 3px; }
.pill-link span { display: block; color: var(--muted); font-size: 13px; }
.split-media { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.split-media.reverse .media-visual { order: 2; }
.media-visual { position: relative; }
.media-visual img { width: 100%; max-height: 520px; object-fit: contain; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.media-copy h2 { color: var(--title); font-size: clamp(30px,4vw,47px); line-height: 1.2; margin: 8px 0 16px; }
.media-copy p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 28px; color: var(--deep); font-weight: 600; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }
.card-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2,1fr); }
.card-grid.four { grid-template-columns: repeat(4,1fr); }
.card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; overflow: hidden; }
.card-media { padding: 18px 18px 0; }
.card-media img { width: 100%; height: 245px; object-fit: contain; border-radius: 18px; background: linear-gradient(135deg,#EEF2FF,#EAF7FF); }
.card-body { padding: 24px; }
.card h3 { color: var(--title); margin: 0 0 10px; font-size: 22px; }
.card p { margin: 0 0 15px; color: var(--muted); }
.mini-list { padding-left: 18px; color: var(--muted); }
.mini-list li { margin-bottom: 7px; }
.safety-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; padding: 26px; border-radius: 28px; background: linear-gradient(135deg,#11182F,#1B2854); color: #EEF2FF; box-shadow: var(--shadow); }
.safety-panel img { width: 100%; max-height: 360px; object-fit: contain; border-radius: 22px; background: rgba(255,255,255,.06); }
.safety-panel h2 { color: #fff; font-size: clamp(28px,4vw,44px); margin: 8px 0 14px; }
.safety-panel p { color: #C5D0EE; }
.safety-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.reviews { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 24px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.review-card p { color: var(--muted); margin: 0 0 18px; }
.review-card strong { color: var(--title); }
.review-card span { display: block; color: var(--soft); font-size: 12px; }
.faq-list { display: grid; gap: 14px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 18px; box-shadow: 0 10px 24px rgba(25,43,91,.07); padding: 0 20px; }
summary { cursor: pointer; color: var(--title); font-weight: 800; padding: 18px 0; }
details p { color: var(--muted); margin: 0; padding: 0 0 20px; }
.notice { padding: 26px; border-radius: 24px; background: linear-gradient(135deg,#FFF4D6,#FFF9ED); border: 1px solid rgba(255,200,87,.36); }
.notice h2, .notice h3 { color: var(--title); margin-top: 0; }
.notice p { margin-bottom: 0; color: #5C5770; }
.page-hero { padding: 68px 0; background: radial-gradient(circle at 80% 20%,rgba(0,212,255,.17),transparent 30%), linear-gradient(135deg,#F3F0FF,#EAF7FF); }
.page-hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 42px; }
.page-hero h1 { font-size: clamp(38px,5vw,64px); }
.page-hero img { width: 100%; max-height: 420px; object-fit: contain; filter: drop-shadow(0 24px 30px rgba(22,33,62,.2)); }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--soft); font-size: 13px; }
.breadcrumbs a { color: var(--brand); }
.content-layout { display: grid; grid-template-columns: minmax(0,1fr) 320px; gap: 34px; align-items: start; }
.prose-card { background: #fff; border: 1px solid var(--border); border-radius: 26px; box-shadow: var(--shadow); padding: clamp(24px,4vw,46px); }
.prose-card h2 { color: var(--title); font-size: 30px; margin: 32px 0 12px; }
.prose-card h2:first-child { margin-top: 0; }
.prose-card h3 { color: var(--title); margin: 24px 0 8px; }
.prose-card p { color: var(--muted); margin: 0 0 16px; }
.prose-card img { width: 100%; max-height: 460px; object-fit: contain; border-radius: 22px; background: linear-gradient(135deg,#F1F3FF,#EAF7FF); margin: 24px 0; }
.service-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin: 24px 0; }
.service-item { padding: 18px; border-radius: 18px; background: #F7F8FF; border: 1px solid var(--border); }
.service-item strong { display: block; color: var(--title); margin-bottom: 6px; }
.service-item p { font-size: 14px; margin: 0; }
.steps { counter-reset: step; display: grid; gap: 14px; margin: 20px 0; }
.step { counter-increment: step; display: grid; grid-template-columns: 46px 1fr; gap: 14px; align-items: start; }
.step::before { content: counter(step); width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; background: var(--gradient); color: #fff; font-weight: 900; }
.step strong { display: block; color: var(--title); }
.step p { margin: 3px 0 0; }
.sidebar { display: grid; gap: 18px; position: sticky; top: 96px; }
.sidebar-card { padding: 22px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 30px rgba(25,43,91,.1); }
.sidebar-card.dark { background: var(--dark-card); color: #fff; }
.sidebar-card h2, .sidebar-card h3 { margin-top: 0; color: var(--title); }
.sidebar-card.dark h2, .sidebar-card.dark h3 { color: #fff; }
.sidebar-card p { color: var(--muted); }
.sidebar-card.dark p { color: #BFC9E4; }
.sidebar-card a:not(.main-btn) { display: block; padding: 7px 0; border-bottom: 1px solid var(--border); }
.sidebar-card a:last-child { border-bottom: 0; }
.quote { padding: 22px; border-left: 4px solid var(--violet); background: #F7F5FF; border-radius: 0 18px 18px 0; color: var(--deep); margin: 24px 0; }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 58px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3,1fr); gap: 36px; }
.footer-brand p { color: #AEB9D6; max-width: 480px; }
.site-footer h2 { color: #fff; font-size: 16px; margin: 0 0 14px; }
.site-footer a:not(.main-btn):not(.footer-logo) { display: block; color: #BFC9E4; padding: 5px 0; }
.site-footer a:hover { color: #fff; }
.footer-bottom { margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; gap: 20px; color: #8995B5; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; gap: 16px; }
.footer-bottom a { padding: 0 !important; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .nav-core { display: none; }
    .header-inner { gap: 14px; }
    .mobile-menu-button { display: inline-flex; }
    .desktop-menu-button { display: none; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-inline: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 760px; margin: 0 auto; }
    .content-layout { grid-template-columns: 1fr; }
    .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
    .card-grid.four { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 820px) {
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { width: calc(100% - 20px); min-height: 64px; }
    .header-cta { min-height: 40px; padding: 8px 14px; font-size: 13px; }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .highlight-item:nth-child(4) { border-top: 1px solid var(--border); }
    .split-media, .safety-panel { grid-template-columns: 1fr; }
    .split-media.reverse .media-visual { order: 0; }
    .card-grid, .card-grid.two, .reviews { grid-template-columns: 1fr; }
    .service-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .footer-brand { grid-column: 1/-1; }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav { position: fixed; z-index: 9980; left: 10px; right: 10px; bottom: max(10px, env(safe-area-inset-bottom)); display: grid; grid-template-columns: repeat(4,1fr); background: rgba(11,16,36,.95); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,.1); border-radius: 18px; box-shadow: 0 16px 34px rgba(0,0,0,.24); overflow: hidden; }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; gap: 1px; color: #DDE4F8; padding: 8px 4px; font-size: 11px; }
    .mobile-bottom-nav span { font-size: 17px; }
    body { padding-bottom: 86px; }
}
@media (max-width: 560px) {
    .hero { padding: 54px 0 45px; }
    .hero-copy h1 { font-size: 48px; }
    .hero-copy .subtitle { font-size: 24px; }
    .hero-copy .lead { font-size: 15px; }
    .hero-visual { padding: 12px; }
    .floating-note { position: static; display: inline-block; margin: 7px 4px 0; }
    .highlight-grid { grid-template-columns: 1fr; }
    .highlight-item + .highlight-item { border-left: 0; border-top: 1px solid var(--border); }
    .section { padding: 56px 0; }
    .section-heading { align-items: flex-start; flex-direction: column; }
    .card-grid.four { grid-template-columns: 1fr; }
    .page-hero { padding: 48px 0; }
    .page-hero-grid { text-align: center; }
    .breadcrumbs { justify-content: center; }
    .sidebar { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { padding: 20px; }
}