:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,0.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --rose: #D94F70;
    --light-blue: #EAF7FF;
    --light-gold: #FFF4D6;
    --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: "Microsoft YaHei", "PingFang SC", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.75; overflow-x: hidden; }
body.drawer-open { overflow: hidden; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--violet); }
img { max-width: 100%; height: auto; }
main { min-height: 70vh; }
.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(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: 22px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; flex: 0 0 auto; }
.site-logo img { max-height: 44px; width: auto; display: block; object-fit: contain; }
.site-logo strong { font-size: 21px; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-core a { color: #EEF2FF; border-radius: 999px; padding: 8px 12px; 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: 48px; padding: 10px 24px; border-radius: 999px; background: var(--gradient); color: #fff; font-weight: 700; box-shadow: 0 14px 32px rgba(91,108,255,0.22); transition: transform .2s ease, box-shadow .2s ease; }
.main-btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 18px 40px rgba(91,108,255,0.28); }
.compact-btn { min-height: 42px; padding: 8px 18px; white-space: nowrap; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 9px 21px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,.82); color: var(--primary); font-weight: 700; }
.menu-toggle { border: 0; background: rgba(255,255,255,.1); width: 42px; height: 42px; border-radius: 13px; padding: 10px; display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; }
.menu-toggle span { display: block; width: 100%; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(6,9,22,.58); opacity: 0; visibility: hidden; transition: .25s ease; }
.site-drawer { position: fixed; z-index: 10001; top: 0; right: 0; width: min(420px, 92vw); height: 100dvh; overflow-y: auto; padding: 24px; background: #fff; transform: translateX(104%); transition: transform .3s ease; box-shadow: -18px 0 46px rgba(9,15,40,.22); }
.drawer-open .drawer-overlay { opacity: 1; visibility: visible; }
.drawer-open .site-drawer { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; }
.drawer-brand { display: flex; align-items: center; gap: 10px; color: var(--title); font-size: 20px; font-weight: 800; }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; }
.drawer-close { border: 0; background: var(--light-blue); color: var(--title); width: 40px; height: 40px; border-radius: 50%; font-size: 28px; line-height: 1; cursor: pointer; }
.drawer-intro { color: var(--muted); margin: 18px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a { padding: 12px 14px; border-radius: 14px; border: 1px solid var(--border); color: var(--text); display: flex; align-items: center; justify-content: space-between; background: #fff; }
.drawer-nav a.active, .drawer-nav a:hover { background: var(--light-blue); color: var(--primary); }
.drawer-note { margin-top: 20px; padding: 16px; border-radius: 16px; background: var(--light-gold); color: #72551b; font-size: 14px; }
.hero { position: relative; overflow: hidden; padding: 78px 0 56px; background: radial-gradient(circle at 10% 20%, rgba(0,212,255,.17), transparent 30%), radial-gradient(circle at 90% 10%, rgba(217,79,112,.16), transparent 24%), linear-gradient(145deg, #f8f7ff 0%, #eaf7ff 52%, #fff3fb 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; background: rgba(122,92,255,.10); left: -90px; bottom: -90px; }
.hero::after { width: 190px; height: 190px; background: rgba(255,200,87,.16); right: 8%; bottom: -60px; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; z-index: 1; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border-radius: 999px; background: rgba(91,108,255,.10); color: var(--primary); font-size: 14px; font-weight: 700; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.3; }
.hero h1 { font-size: clamp(44px, 7vw, 76px); margin: 18px 0 8px; letter-spacing: -.04em; }
.hero .hero-subtitle { font-size: clamp(24px, 3vw, 38px); color: var(--deep); font-weight: 800; margin: 0 0 20px; }
.hero p { color: var(--muted); font-size: 17px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 24px; }
.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,.78); border: 1px solid var(--border); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual img { display: block; width: 100%; max-height: 600px; object-fit: contain; filter: drop-shadow(0 30px 40px rgba(25,43,91,.22)); }
.floating-note { position: absolute; left: -22px; bottom: 38px; max-width: 230px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.92); border: 1px solid var(--border); box-shadow: var(--shadow); font-size: 14px; color: var(--muted); }
.highlight-strip { margin-top: -1px; padding: 0 0 22px; background: linear-gradient(180deg, rgba(234,247,255,.92), transparent); }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { padding: 20px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 14px 34px rgba(25,43,91,.09); }
.highlight-item span { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 50%; background: var(--light-blue); color: var(--primary); font-weight: 800; }
.highlight-item h3 { margin: 12px 0 5px; font-size: 18px; }
.highlight-item p { margin: 0; color: var(--muted); font-size: 14px; }
.section { padding: 76px 0; }
.section.compact { padding: 52px 0; }
.section-head { display: flex; align-items: end; justify-content: space-between; gap: 26px; margin-bottom: 28px; }
.section-head h2 { font-size: clamp(28px, 4vw, 44px); margin: 10px 0 0; }
.section-head p { max-width: 620px; color: var(--muted); margin: 0; }
.capsule-nav { display: flex; flex-wrap: wrap; gap: 12px; }
.capsule-link { flex: 1 1 190px; padding: 16px 18px; border-radius: 18px; border: 1px solid var(--border); background: #fff; box-shadow: 0 10px 28px rgba(25,43,91,.07); }
.capsule-link strong { display: block; color: var(--title); margin-bottom: 3px; }
.capsule-link small { color: var(--muted); display: block; min-height: 48px; }
.capsule-link span { display: inline-block; margin-top: 8px; font-weight: 700; }
.split-card, .card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; }
.split-card { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; }
.split-card.reverse .split-media { order: 2; }
.split-media { min-height: 430px; background: linear-gradient(145deg, var(--light-blue), #f6efff); display: flex; align-items: center; justify-content: center; padding: 26px; }
.split-media img { width: 100%; height: 100%; max-height: 460px; object-fit: contain; }
.split-content { padding: clamp(28px, 5vw, 58px); }
.split-content h2 { margin: 10px 0 16px; font-size: clamp(28px, 4vw, 42px); }
.split-content p { color: var(--muted); }
.feature-list { list-style: none; padding: 0; margin: 22px 0; display: grid; gap: 10px; }
.feature-list li { position: relative; padding-left: 27px; color: var(--text); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--primary); font-weight: 900; }
.text-link { font-weight: 800; color: var(--primary); }
.two-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.three-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(145deg, var(--light-blue), #f6efff); padding: 18px; }
.zone-card .card-body { padding: 25px; }
.zone-card h3 { margin: 0 0 10px; font-size: 25px; }
.zone-card p { color: var(--muted); }
.service-points { display: grid; gap: 8px; margin: 18px 0; }
.service-points span { display: block; padding: 9px 12px; border-radius: 12px; background: #f8f9ff; color: var(--deep); font-size: 14px; }
.dark-section { background: var(--deep); color: #edf1ff; }
.dark-section h2, .dark-section h3 { color: #fff; }
.security-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 24px; align-items: stretch; }
.security-visual { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-visual img { width: 100%; height: 100%; min-height: 360px; object-fit: contain; border-radius: 22px; background: rgba(255,255,255,.08); padding: 18px; }
.security-copy { padding: 38px; border-radius: 24px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.10); }
.security-copy p { color: #c9d1ea; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card .stars { color: var(--gold); letter-spacing: 3px; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--title); }
.faq-list { display: grid; gap: 12px; }
details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 0 20px; box-shadow: 0 9px 24px rgba(25,43,91,.06); }
summary { cursor: pointer; list-style: none; padding: 17px 34px 17px 0; color: var(--title); font-weight: 800; position: relative; }
summary::after { content: "+"; position: absolute; right: 0; top: 14px; width: 28px; height: 28px; border-radius: 50%; background: var(--light-blue); color: var(--primary); display: grid; place-items: center; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin: 0 0 18px; }
.notice-box { padding: 24px; border-radius: 22px; background: var(--light-gold); border: 1px solid rgba(255,200,87,.42); color: #624d21; }
.notice-box h2, .notice-box h3 { color: #4a3b1c; margin-top: 0; }
.inner-hero { padding: 66px 0 44px; background: radial-gradient(circle at 85% 10%, rgba(0,212,255,.18), transparent 30%), linear-gradient(145deg, #f8f7ff, #eaf7ff 58%, #fff3fb); }
.inner-hero-grid { display: grid; grid-template-columns: 1fr .82fr; gap: 40px; align-items: center; }
.inner-hero h1 { font-size: clamp(38px, 6vw, 62px); margin: 14px 0; }
.inner-hero p { color: var(--muted); font-size: 17px; }
.inner-hero img { width: 100%; max-height: 430px; object-fit: contain; filter: drop-shadow(0 28px 35px rgba(25,43,91,.17)); }
.breadcrumb { color: var(--soft); font-size: 14px; }
.breadcrumb a { color: var(--primary); }
.content-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; align-items: start; }
.article-card { padding: clamp(26px, 4vw, 46px); background: #fff; border: 1px solid var(--border); border-radius: 24px; box-shadow: var(--shadow); }
.article-card + .article-card { margin-top: 22px; }
.article-card h2 { font-size: 30px; margin-top: 0; }
.article-card h3 { font-size: 22px; margin-top: 28px; }
.article-card p { color: var(--muted); }
.article-card ul { padding-left: 22px; color: var(--muted); }
.article-card li { margin: 7px 0; }
.side-panel { position: sticky; top: 96px; display: grid; gap: 16px; }
.side-card { padding: 22px; border-radius: 20px; background: #fff; border: 1px solid var(--border); box-shadow: 0 12px 30px rgba(25,43,91,.08); }
.side-card h3 { margin-top: 0; }
.side-card a { display: block; padding: 8px 0; border-bottom: 1px solid #edf0fb; }
.side-card a:last-child { border-bottom: 0; }
.flow-steps { counter-reset: step; display: grid; gap: 14px; }
.flow-step { counter-increment: step; padding: 18px 18px 18px 62px; border-radius: 16px; background: #f8f9ff; position: relative; }
.flow-step::before { content: counter(step); position: absolute; left: 17px; top: 16px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-items: center; background: var(--gradient); color: #fff; font-weight: 800; }
.data-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.data-table th, .data-table td { border: 1px solid #e4e8f5; padding: 12px 14px; text-align: left; vertical-align: top; }
.data-table th { background: var(--light-blue); color: var(--title); }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 58px 0 26px; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.15fr 1.85fr; gap: 56px; }
.footer-brand p { color: #aeb8d5; max-width: 460px; }
.footer-logo { margin-bottom: 16px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.footer-links h3 { color: #fff; margin: 0 0 10px; }
.footer-links a { display: block; color: #bfc8e4; padding: 4px 0; }
.footer-links a:hover { color: #fff; }
.footer-compliance { width: min(1180px, calc(100% - 40px)); margin: 32px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.10); color: #8f9ab9; font-size: 13px; display: flex; justify-content: space-between; gap: 30px; }
.footer-compliance p { margin: 0; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1024px) {
    .nav-core { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .desktop-menu-toggle { display: none; }
    .header-inner { gap: 14px; }
    .hero-grid, .inner-hero-grid { grid-template-columns: 1fr; }
    .hero-visual { max-width: 720px; margin: 0 auto; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .three-grid, .review-grid { grid-template-columns: repeat(2, 1fr); }
    .content-layout { grid-template-columns: 1fr; }
    .side-panel { position: static; grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    body { padding-bottom: 74px; }
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { min-height: 64px; padding: 0 14px; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo strong { display: none; }
    .site-logo img { max-height: 39px; }
    .compact-btn { min-height: 38px; padding: 7px 13px; font-size: 13px; }
    .menu-toggle { width: 38px; height: 38px; }
    .hero { padding: 52px 0 36px; }
    .hero h1 { font-size: 50px; }
    .hero .hero-subtitle { font-size: 26px; }
    .floating-note { position: static; margin-top: 14px; max-width: none; }
    .highlight-grid, .two-grid, .three-grid, .review-grid, .security-grid, .split-card { grid-template-columns: 1fr; }
    .highlight-item { padding: 17px; }
    .section { padding: 56px 0; }
    .section.compact { padding: 40px 0; }
    .section-head { align-items: start; flex-direction: column; gap: 10px; }
    .split-card.reverse .split-media { order: 0; }
    .split-media { min-height: 290px; }
    .split-content { padding: 28px 22px; }
    .security-visual { grid-template-columns: 1fr; }
    .security-visual img { min-height: 260px; }
    .security-copy { padding: 26px 22px; }
    .inner-hero { padding: 48px 0 34px; }
    .article-card { padding: 25px 20px; }
    .side-panel { grid-template-columns: 1fr; }
    .drawer-nav { grid-template-columns: 1fr; }
    .site-drawer { left: 0; right: auto; transform: translateX(-104%); }
    .drawer-open .site-drawer { transform: translateX(0); }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-compliance { flex-direction: column; gap: 12px; }
    .mobile-bottom-nav { position: fixed; display: grid; grid-template-columns: repeat(4, 1fr); left: 10px; right: 10px; bottom: 10px; z-index: 9998; padding: 8px 6px calc(8px + env(safe-area-inset-bottom)); border-radius: 20px; background: rgba(11,16,36,.94); backdrop-filter: blur(12px); box-shadow: 0 12px 35px rgba(11,16,36,.26); }
    .mobile-bottom-nav a { color: #bdc7e7; text-align: center; font-size: 12px; line-height: 1.3; }
    .mobile-bottom-nav a span { display: block; font-size: 18px; }
    .mobile-bottom-nav a.active { color: #fff; }
}
@media (max-width: 460px) {
    .footer-links { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: stretch; }
    .main-btn, .secondary-btn { width: 100%; }
    .highlight-grid { grid-template-columns: 1fr; }
}