:root {
    --bg: #F5F7FF;
    --ink: #1F2740;
    --muted: #66708A;
    --soft: #9AA4BA;
    --title: #131A35;
    --brand: #5B6CFF;
    --violet: #7A5CFF;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --deep: #16213E;
    --footer: #0B1024;
    --card: #FFFFFF;
    --border: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.14);
    --radius: 24px;
    --max: 1240px;
}
* { 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: inherit; }
img { max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 12000; padding: 10px 18px; border-radius: 999px; background: #fff; color: var(--brand); text-decoration: none; box-shadow: var(--shadow); }
.skip-link:focus { top: 12px; }
.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; min-height: 74px; margin: 0 auto; padding: 0 22px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo, .drawer-brand, .footer-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: .04em; }
.site-logo { color: #fff; white-space: nowrap; }
.site-logo img { width: 42px; height: 42px; object-fit: contain; display: block; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 4px; }
.nav-core a { color: #EEF2FF; text-decoration: none; border-radius: 999px; padding: 8px 13px; font-size: 15px; transition: .2s ease; 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; }
.main-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; background: linear-gradient(135deg,#5B6CFF 0%,#7A5CFF 48%,#00D4FF 100%); color: #fff; border-radius: 999px; text-decoration: none; font-weight: 700; box-shadow: 0 14px 32px rgba(91,108,255,.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.3); }
.main-btn.small { min-height: 42px; padding: 0 18px; font-size: 14px; white-space: nowrap; }
.text-link { color: var(--brand); font-weight: 700; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.menu-toggle { width: 44px; height: 44px; border: 0; border-radius: 14px; background: rgba(255,255,255,.1); display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,10,25,.58); backdrop-filter: blur(3px); }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px,90vw); height: 100dvh; padding: 20px; overflow-y: auto; background: #fff; box-shadow: -24px 0 60px rgba(10,18,45,.24); transform: translateX(105%); transition: transform .28s ease; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.drawer-brand { color: var(--title); }
.drawer-brand img, .footer-logo img { width: 40px; height: 40px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #EEF1FF; color: var(--title); font-size: 28px; cursor: pointer; }
.drawer-copy { color: var(--muted); margin: 18px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 12px 14px; border: 1px solid var(--border); border-radius: 14px; text-decoration: none; color: var(--ink); background: #FAFBFF; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--brand); background: #EFF2FF; border-color: rgba(91,108,255,.35); }
.drawer-notice { margin-top: 20px; padding: 16px; border-radius: 16px; background: #FFF8E7; color: #6F5B24; font-size: 13px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 86px 0; }
.section.compact { padding: 58px 0; }
.section-head { max-width: 760px; margin-bottom: 32px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: #856400; font-weight: 800; font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.section-kicker::before { content: ''; width: 30px; height: 3px; border-radius: 3px; background: linear-gradient(90deg,var(--brand),var(--cyan)); }
h1,h2,h3,.section-title { color: var(--title); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(42px,7vw,82px); letter-spacing: -.04em; margin-bottom: 20px; }
h2 { font-size: clamp(30px,4.5vw,48px); letter-spacing: -.025em; margin-bottom: 16px; }
h3 { font-size: 21px; margin-bottom: 10px; }
p { margin-top: 0; }
.lead { font-size: clamp(17px,2vw,21px); color: var(--muted); }
.muted { color: var(--muted); }
.hero { position: relative; padding: 84px 0 70px; overflow: hidden; background: radial-gradient(circle at 85% 15%,rgba(0,212,255,.22),transparent 30%), radial-gradient(circle at 18% 10%,rgba(122,92,255,.22),transparent 34%), linear-gradient(135deg,#F8F3FF,#EAF7FF 58%,#FFF5FB); }
.hero::after { content: ''; position: absolute; width: 320px; height: 320px; border-radius: 50%; right: -130px; bottom: -160px; background: rgba(255,200,87,.18); filter: blur(2px); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 58px; }
.hero-copy { max-width: 650px; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 8px 14px; border: 1px solid rgba(91,108,255,.2); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--brand); font-weight: 800; font-size: 14px; }
.hero-subtitle { margin-bottom: 18px; font-size: clamp(22px,3vw,34px); font-weight: 800; color: var(--deep); }
.hero-copy .lead { margin-bottom: 30px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-points span { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid var(--border); color: var(--title); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual::before { content: ''; position: absolute; inset: 8% 0 0 12%; border-radius: 50%; background: linear-gradient(135deg,rgba(91,108,255,.22),rgba(0,212,255,.24)); filter: blur(30px); }
.hero-visual img { position: relative; display: block; width: 100%; max-height: 610px; object-fit: contain; filter: drop-shadow(0 28px 38px rgba(27,37,90,.2)); }
.highlight-strip { margin-top: -1px; background: #fff; border-top: 1px solid rgba(91,108,255,.1); border-bottom: 1px solid rgba(91,108,255,.12); }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); }
.highlight-item { padding: 28px 24px; border-right: 1px solid rgba(91,108,255,.12); }
.highlight-item:last-child { border-right: 0; }
.highlight-item strong { display: block; margin-bottom: 8px; color: var(--title); }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.65; }
.capsule-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule-link { flex: 1 1 210px; min-height: 104px; padding: 18px; border: 1px solid var(--border); border-radius: 20px; background: #fff; text-decoration: none; box-shadow: 0 10px 26px rgba(25,43,91,.07); transition: .2s ease; }
.capsule-link:hover { transform: translateY(-3px); border-color: rgba(91,108,255,.42); }
.capsule-link strong { display: block; color: var(--title); margin-bottom: 6px; }
.capsule-link span { display: block; color: var(--muted); font-size: 14px; line-height: 1.55; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { position: relative; padding: 24px; border-radius: 32px; background: linear-gradient(145deg,#E8EBFF,#EAFBFF); }
.split-media img { width: 100%; max-height: 520px; object-fit: contain; display: block; }
.split-content p { color: var(--muted); }
.point-list { display: grid; gap: 12px; margin: 24px 0; padding: 0; list-style: none; }
.point-list li { position: relative; padding-left: 28px; color: var(--ink); }
.point-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }
.grid-2, .grid-3, .grid-4, .review-grid, .faq-grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2,1fr); }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }
.card, .zone-card, .info-card, .review-card, .faq-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius); overflow: hidden; }
.card-body { padding: 28px; }
.zone-card img, .info-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#F1F3FF,#EAF9FF); padding: 18px; }
.zone-card p, .info-card p { color: var(--muted); }
.service-points { display: grid; gap: 12px; margin: 20px 0; }
.service-point { padding: 14px 16px; border-radius: 15px; background: #F7F8FF; border: 1px solid rgba(91,108,255,.12); }
.service-point strong { display: block; color: var(--title); margin-bottom: 4px; }
.service-point span { color: var(--muted); font-size: 14px; }
.dark-band { background: linear-gradient(135deg,#10182F,#16254B); color: #EEF2FF; }
.dark-band h2, .dark-band h3 { color: #fff; }
.dark-band p { color: #C9D2EC; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.security-card { display: grid; grid-template-columns: 150px 1fr; gap: 22px; align-items: center; padding: 24px; border: 1px solid rgba(255,255,255,.1); border-radius: 24px; background: rgba(255,255,255,.06); }
.security-card img { width: 100%; max-height: 160px; object-fit: contain; }
.review-grid { grid-template-columns: repeat(3,1fr); }
.review-card { padding: 26px; }
.review-card .quote { color: var(--ink); }
.review-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 22px; color: var(--muted); font-size: 13px; }
.review-meta strong { color: var(--brand); }
.faq-grid { grid-template-columns: repeat(2,1fr); }
.faq-card { padding: 24px 26px; box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.faq-card h3 { font-size: 18px; }
.faq-card p { margin-bottom: 0; color: var(--muted); }
.notice-band { border-top: 1px solid rgba(91,108,255,.12); border-bottom: 1px solid rgba(91,108,255,.12); background: linear-gradient(90deg,#FFF8E7,#F1F4FF,#EAFBFF); }
.notice-wrap { display: grid; grid-template-columns: .75fr 1.25fr; gap: 38px; align-items: center; }
.notice-wrap img { max-height: 330px; width: 100%; object-fit: contain; }
.cta-panel { position: relative; overflow: hidden; padding: 48px; border-radius: 32px; background: linear-gradient(135deg,#5B6CFF,#7A5CFF 52%,#00BFD9); color: #fff; box-shadow: 0 25px 60px rgba(91,108,255,.28); }
.cta-panel::after { content: ''; position: absolute; width: 240px; height: 240px; right: -70px; top: -80px; border-radius: 50%; background: rgba(255,255,255,.14); }
.cta-panel h2, .cta-panel p { position: relative; z-index: 1; color: #fff; }
.cta-panel .main-btn { position: relative; z-index: 1; background: #fff; color: var(--brand); }
.inner-hero { position: relative; overflow: hidden; padding: 74px 0; background: radial-gradient(circle at 90% 10%,rgba(0,212,255,.22),transparent 30%), radial-gradient(circle at 10% 10%,rgba(122,92,255,.22),transparent 38%), linear-gradient(135deg,#F8F4FF,#EAF7FF); }
.inner-hero-grid { display: grid; grid-template-columns: 1.06fr .94fr; gap: 52px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px,6vw,68px); }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 24px 35px rgba(28,40,98,.18)); }
.breadcrumbs { display: flex; gap: 8px; align-items: center; margin-bottom: 18px; color: var(--muted); font-size: 14px; }
.breadcrumbs a { color: var(--brand); text-decoration: none; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 34px; align-items: start; }
.article-main { display: grid; gap: 24px; }
.article-block { padding: 32px; border-radius: 24px; background: #fff; border: 1px solid var(--border); box-shadow: 0 16px 38px rgba(25,43,91,.09); }
.article-block p { color: var(--muted); }
.article-block p:last-child { margin-bottom: 0; }
.article-sidebar { position: sticky; top: 98px; display: grid; gap: 18px; }
.side-card { padding: 24px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.side-card img { width: 100%; max-height: 230px; object-fit: contain; border-radius: 16px; background: #F3F5FF; }
.side-card ul { margin: 16px 0 0; padding-left: 20px; color: var(--muted); }
.side-card .main-btn { width: 100%; margin-top: 14px; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { position: relative; padding: 18px 18px 18px 64px; border: 1px solid rgba(91,108,255,.14); border-radius: 18px; background: #F9FAFF; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg,var(--brand),var(--cyan)); color: #fff; font-weight: 800; }
.step strong { display: block; color: var(--title); margin-bottom: 4px; }
.step span { color: var(--muted); font-size: 14px; }
.inner-review { padding: 22px; border-radius: 18px; background: linear-gradient(135deg,#FFF7EC,#F2F4FF); color: var(--ink); }
.inner-review cite { display: block; margin-top: 12px; color: var(--brand); font-style: normal; font-weight: 700; }
.site-footer { background: var(--footer); color: #EEF2FF; }
.footer-inner { width: min(var(--max),calc(100% - 40px)); margin: 0 auto; padding: 62px 0 44px; display: grid; grid-template-columns: .8fr 1.2fr; gap: 60px; }
.footer-logo { color: #fff; font-size: 20px; }
.footer-brand p { max-width: 430px; margin-top: 18px; color: #BFC8E1; }
.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 26px; }
.footer-links h3 { color: #fff; font-size: 15px; margin-bottom: 14px; }
.footer-links a { display: block; margin: 9px 0; color: #BFC8E1; text-decoration: none; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { width: min(var(--max),calc(100% - 40px)); margin: 0 auto; padding: 20px 0; color: #9DA8C6; font-size: 13px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1060px) {
    .nav-core a { padding: 8px 9px; font-size: 14px; }
    .header-inner { gap: 12px; }
    .hero-grid, .inner-hero-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
    .review-grid { grid-template-columns: repeat(2,1fr); }
    .grid-4 { grid-template-columns: repeat(2,1fr); }
    .footer-inner { grid-template-columns: 1fr; gap: 38px; }
}
@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; }
    .site-logo strong { display: none; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo img { width: 40px; height: 40px; }
    .header-actions { margin-left: auto; }
    .hero { padding-top: 54px; }
    .hero-grid, .inner-hero-grid, .split, .article-layout, .notice-wrap { grid-template-columns: 1fr; }
    .hero-copy { max-width: none; }
    .hero-visual img { max-height: 480px; }
    .split.reverse .split-media { order: initial; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .highlight-item:nth-child(2) { border-right: 0; }
    .highlight-item:nth-child(-n+2) { border-bottom: 1px solid rgba(91,108,255,.12); }
    .grid-3 { grid-template-columns: 1fr; }
    .security-grid { grid-template-columns: 1fr; }
    .article-sidebar { position: static; grid-template-columns: 1fr 1fr; }
    .footer-links { grid-template-columns: repeat(2,1fr); }
    .mobile-bottom-nav { position: fixed; z-index: 9000; left: 12px; right: 12px; bottom: max(10px,env(safe-area-inset-bottom)); min-height: 62px; display: grid; grid-template-columns: repeat(4,1fr); padding: 7px; border: 1px solid rgba(91,108,255,.18); border-radius: 22px; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); box-shadow: 0 16px 40px rgba(25,43,91,.2); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px; color: var(--muted); font-size: 12px; text-decoration: none; border-radius: 15px; }
    .mobile-bottom-nav a span { font-size: 18px; line-height: 1; }
    .mobile-bottom-nav a.active { color: var(--brand); background: #EFF1FF; }
    body { padding-bottom: 88px; }
}
@media (max-width: 620px) {
    .container { width: min(100% - 28px,var(--max)); }
    .section { padding: 62px 0; }
    .section.compact { padding: 44px 0; }
    .hero, .inner-hero { padding: 44px 0 50px; }
    h1 { font-size: 45px; }
    h2 { font-size: 32px; }
    .hero-actions { align-items: stretch; }
    .hero-actions .main-btn { width: 100%; }
    .hero-actions .text-link { text-align: center; width: 100%; }
    .highlight-grid, .grid-2, .review-grid, .faq-grid, .article-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; }
    .grid-4 { grid-template-columns: 1fr; }
    .security-card { grid-template-columns: 1fr; }
    .security-card img { max-height: 210px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .article-block, .card-body { padding: 24px; }
    .cta-panel { padding: 32px 24px; }
    .footer-inner { width: calc(100% - 28px); padding-top: 48px; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
    .footer-bottom p { width: calc(100% - 28px); }
}
@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; }
}