:root {
    --bg: #F5F7FF;
    --nav: rgba(12,18,40,.94);
    --title: #131A35;
    --primary: #5B6CFF;
    --deep: #16213E;
    --cyan: #00D4FF;
    --gold: #FFC857;
    --accent: #D94F70;
    --soft-blue: #EAF7FF;
    --soft-gold: #FFF4D6;
    --purple: #7A5CFF;
    --text: #1F2740;
    --muted: #66708A;
    --light-muted: #9AA4BA;
    --card: #FFFFFF;
    --dark-card: #11182F;
    --border: rgba(91,108,255,.18);
    --shadow: 0 20px 46px rgba(25,43,91,.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: inherit; }
img { display: block; max-width: 100%; height: auto; object-fit: contain; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 20000; background: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 10px; }
.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,.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: 22px;
}
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; flex: 0 0 auto; }
.site-logo img { width: 44px; max-height: 44px; border-radius: 12px; }
.site-logo strong { font-size: 19px; letter-spacing: .04em; }
.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; 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; flex: 0 0 auto; }
.main-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    background: var(--gradient); color: #fff; border-radius: 999px; padding: 13px 24px;
    box-shadow: 0 14px 32px rgba(91,108,255,.22); text-decoration: none; font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(91,108,255,.30); }
.compact-btn { padding: 10px 18px; font-size: 14px; }
.menu-toggle { width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08); cursor: pointer; display: grid; place-content: center; gap: 4px; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.mobile-menu-toggle { display: none; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 12001; width: min(390px, 92vw); height: 100dvh; background: #fff; padding: 26px; transform: translateX(105%); transition: transform .28s ease; overflow-y: auto; box-shadow: -20px 0 60px rgba(7,13,37,.28); }
.site-drawer.open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; z-index: 12000; background: rgba(7,13,37,.55); backdrop-filter: blur(3px); }
.drawer-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.drawer-head strong { display: block; color: var(--title); font-size: 24px; }
.drawer-close { width: 42px; height: 42px; border: 0; background: var(--soft-blue); border-radius: 50%; color: var(--title); font-size: 28px; cursor: pointer; line-height: 1; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 22px 0; }
.drawer-nav a { display: flex; justify-content: space-between; align-items: center; padding: 11px 13px; border-radius: 13px; text-decoration: none; color: var(--title); background: #F8FAFF; }
.drawer-nav a:hover, .drawer-nav a.active { color: var(--primary); background: #EEF0FF; }
.drawer-note { background: var(--dark-card); color: #EEF2FF; border-radius: 20px; padding: 20px; }
.drawer-note p { margin: 8px 0 0; color: #C8D0EA; font-size: 14px; }
.section-kicker { color: var(--primary); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero { position: relative; overflow: hidden; padding: 86px 0 70px; background: radial-gradient(circle at 8% 20%,rgba(122,92,255,.18),transparent 28%), radial-gradient(circle at 95% 15%,rgba(0,212,255,.20),transparent 28%), linear-gradient(145deg,#F7F2FF 0%,#EEF9FF 54%,#FFF8FC 100%); }
.hero::before, .hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(1px); pointer-events: none; }
.hero::before { width: 260px; height: 260px; background: rgba(255,200,87,.18); left: -90px; bottom: -90px; }
.hero::after { width: 210px; height: 210px; background: rgba(217,79,112,.10); right: 9%; top: -80px; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; }
.hero-copy h1 { color: var(--title); font-size: clamp(46px, 6vw, 82px); line-height: 1.08; margin: 12px 0 12px; letter-spacing: -.04em; }
.hero-copy .hero-subtitle { color: var(--primary); font-size: clamp(21px, 3vw, 30px); font-weight: 800; margin: 0 0 20px; }
.hero-copy > p { font-size: 17px; color: var(--muted); max-width: 680px; margin: 0 0 26px; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin: 28px 0; }
.secondary-btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 20px; border-radius: 999px; border: 1px solid var(--border); background: rgba(255,255,255,.78); color: var(--primary); text-decoration: none; font-weight: 700; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; }
.hero-points span { padding: 8px 13px; border-radius: 999px; background: rgba(255,255,255,.75); border: 1px solid rgba(91,108,255,.12); color: var(--deep); font-size: 14px; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; max-height: 580px; margin: 0 auto; filter: drop-shadow(0 30px 44px rgba(35,50,112,.22)); }
.floating-card { position: absolute; background: rgba(255,255,255,.90); border: 1px solid rgba(255,255,255,.95); box-shadow: var(--shadow); border-radius: 18px; padding: 14px 16px; min-width: 175px; backdrop-filter: blur(10px); }
.floating-card strong { display: block; color: var(--title); }
.floating-card small { color: var(--muted); }
.floating-card.one { left: -25px; top: 12%; }
.floating-card.two { right: -20px; bottom: 11%; }
.section { padding: 80px 0; }
.section.tight { padding: 56px 0; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 30px; }
.section-heading.center { text-align: center; display: block; max-width: 800px; margin-left: auto; margin-right: auto; }
.section-heading h2, .page-hero h1 { color: var(--title); margin: 8px 0 10px; line-height: 1.2; }
.section-heading h2 { font-size: clamp(30px, 4vw, 48px); }
.section-heading p { color: var(--muted); max-width: 720px; margin: 0; }
.highlight-strip { margin-top: -28px; position: relative; z-index: 4; }
.highlight-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.highlight-item { background: rgba(255,255,255,.96); border: 1px solid var(--border); border-radius: 20px; padding: 22px; box-shadow: 0 16px 34px rgba(25,43,91,.10); }
.highlight-item span { display: inline-grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; background: var(--soft-blue); color: var(--primary); font-weight: 900; }
.highlight-item h3 { color: var(--title); margin: 12px 0 6px; font-size: 18px; }
.highlight-item p { color: var(--muted); margin: 0; font-size: 14px; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 205px; min-width: 0; text-decoration: none; border: 1px solid var(--border); border-radius: 999px; background: #fff; padding: 12px 17px; display: flex; gap: 12px; align-items: center; box-shadow: 0 10px 24px rgba(25,43,91,.07); }
.channel-pill strong { color: var(--title); white-space: nowrap; }
.channel-pill small { color: var(--muted); line-height: 1.4; }
.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.split-section { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
.split-section.reverse .content-media { order: 2; }
.content-media { background: linear-gradient(145deg,#EEF0FF,#F1FBFF); border-radius: 28px; min-height: 400px; display: grid; place-items: center; padding: 30px; overflow: hidden; }
.content-media img { width: 100%; max-height: 470px; }
.content-copy h2 { color: var(--title); font-size: clamp(30px,4vw,46px); line-height: 1.2; margin: 8px 0 16px; }
.content-copy p { color: var(--muted); }
.feature-list { display: grid; gap: 12px; margin: 24px 0; }
.feature-list div { display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: start; }
.feature-list span { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--soft-blue); color: var(--primary); font-weight: 900; }
.feature-list strong { color: var(--title); display: block; }
.text-link { color: var(--primary); font-weight: 800; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.two-card-grid, .three-card-grid, .review-grid, .faq-grid, .service-grid { display: grid; gap: 24px; }
.two-card-grid { grid-template-columns: repeat(2,1fr); }
.three-card-grid { grid-template-columns: repeat(3,1fr); }
.review-grid { grid-template-columns: repeat(3,1fr); }
.faq-grid { grid-template-columns: repeat(2,1fr); }
.service-grid { grid-template-columns: repeat(3,1fr); }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; max-height: 300px; padding: 22px 22px 0; }
.zone-body { padding: 24px; }
.zone-body h3 { color: var(--title); font-size: 25px; margin: 0 0 10px; }
.zone-body p { color: var(--muted); }
.mini-points { margin: 18px 0; padding: 0; list-style: none; display: grid; gap: 8px; }
.mini-points li { padding-left: 22px; position: relative; color: var(--text); }
.mini-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); }
.dark-section { background: var(--dark-card); color: #EEF2FF; }
.dark-section .section-heading h2, .dark-section .section-heading p { color: #fff; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { display: grid; grid-template-columns: 180px 1fr; gap: 22px; align-items: center; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 24px; padding: 24px; }
.security-card img { max-height: 190px; margin: auto; }
.security-card h3 { margin: 0 0 8px; color: #fff; }
.security-card p { color: #C8D0EA; margin: 0 0 10px; }
.security-card a { color: var(--cyan); }
.review-card { padding: 24px; }
.review-card .stars { color: var(--gold); letter-spacing: .1em; }
.review-card p { color: var(--muted); }
.review-card strong { color: var(--title); }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 22px; }
.faq-item h3 { color: var(--title); font-size: 18px; margin: 0 0 8px; }
.faq-item p { color: var(--muted); margin: 0; }
.notice-panel { border-radius: 28px; background: linear-gradient(135deg,#FFF4D6,#F7F0FF 55%,#EAF7FF); padding: 34px; border: 1px solid rgba(255,200,87,.42); }
.notice-panel h2 { color: var(--title); margin-top: 0; }
.notice-panel p { color: var(--muted); }
.page-hero { padding: 76px 0 58px; background: radial-gradient(circle at 15% 15%,rgba(122,92,255,.15),transparent 28%), radial-gradient(circle at 90% 20%,rgba(0,212,255,.18),transparent 30%), linear-gradient(145deg,#F7F2FF,#EEF9FF); }
.page-hero-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 50px; align-items: center; }
.page-hero h1 { font-size: clamp(38px,5vw,62px); }
.page-hero p { color: var(--muted); font-size: 17px; }
.page-hero img { max-height: 450px; margin: auto; filter: drop-shadow(0 26px 40px rgba(35,50,112,.20)); }
.breadcrumb { display: flex; gap: 8px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--primary); text-decoration: none; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 300px; gap: 30px; align-items: start; }
.article-main { display: grid; gap: 24px; }
.content-block { background: #fff; border: 1px solid var(--border); border-radius: 22px; padding: 28px; box-shadow: 0 14px 36px rgba(25,43,91,.09); }
.content-block h2 { color: var(--title); font-size: 28px; margin: 0 0 12px; }
.content-block h3 { color: var(--title); }
.content-block p { color: var(--muted); }
.content-block img { max-height: 430px; margin: 20px auto; }
.steps { counter-reset: item; display: grid; gap: 14px; }
.step { position: relative; padding: 18px 18px 18px 62px; border-radius: 16px; background: #F8FAFF; }
.step::before { counter-increment: item; content: counter(item); position: absolute; left: 18px; top: 18px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 800; }
.sidebar { position: sticky; top: 96px; display: grid; gap: 18px; }
.sidebar-card { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 22px; }
.sidebar-card h2 { color: var(--title); font-size: 20px; margin-top: 0; }
.sidebar-card a { display: block; color: var(--primary); text-decoration: none; padding: 7px 0; border-bottom: 1px dashed rgba(91,108,255,.18); }
.sidebar-card a:last-child { border-bottom: 0; }
.quote-card { background: var(--dark-card); color: #fff; border-radius: 20px; padding: 24px; }
.quote-card p { color: #D5DCF2; }
.data-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.data-item { text-align: center; padding: 20px; background: #fff; border: 1px solid var(--border); border-radius: 18px; }
.data-item strong { display: block; color: var(--primary); font-size: 28px; }
.contact-paths { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.contact-path { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 24px; }
.contact-path h3 { color: var(--title); }
.site-footer { background: #0B1024; color: #EEF2FF; padding: 64px 0 22px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(3,1fr); gap: 36px; }
.footer-grid h2 { font-size: 16px; color: #fff; margin: 0 0 12px; }
.footer-grid > div > a:not(.site-logo) { display: block; color: #BFC8E7; text-decoration: none; padding: 5px 0; }
.footer-grid > div > a:hover { color: #fff; }
.footer-brand p { color: #BFC8E7; max-width: 430px; }
.footer-logo { margin-bottom: 14px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255,255,255,.10); padding-top: 20px; margin-top: 38px; color: #9FABCB; font-size: 14px; }
.footer-bottom div { display: flex; gap: 18px; }
.footer-bottom a { color: #C7D0EB; text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 8px; font-size: 14px; }
    .hero-grid, .page-hero-grid { gap: 32px; }
    .review-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
    .nav-core, .desktop-menu-toggle { display: none; }
    .mobile-menu-toggle { display: grid; }
    .header-inner { min-height: 66px; }
    .site-logo strong { display: none; }
    .hero { padding-top: 64px; }
    .hero-grid, .page-hero-grid, .split-section, .article-layout { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy > p { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 620px; margin: 0 auto; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .three-card-grid, .service-grid, .contact-paths { grid-template-columns: repeat(2,1fr); }
    .security-grid { grid-template-columns: 1fr; }
    .split-section.reverse .content-media { order: 0; }
    .sidebar { position: static; grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid > div:last-child { grid-column: 2 / 4; }
}
@media (max-width: 680px) {
    .container { width: min(100% - 28px, 1180px); }
    .header-inner { width: calc(100% - 20px); gap: 8px; }
    .compact-btn { padding: 9px 13px; font-size: 13px; }
    .hero { padding: 48px 0 58px; }
    .hero-copy h1 { font-size: 48px; }
    .hero-copy .hero-subtitle { font-size: 21px; }
    .floating-card { position: static; display: inline-block; margin: 10px 4px 0; min-width: 0; }
    .section { padding: 58px 0; }
    .section-heading { display: block; }
    .highlight-grid, .two-card-grid, .three-card-grid, .review-grid, .faq-grid, .service-grid, .data-row, .contact-paths, .sidebar { grid-template-columns: 1fr; }
    .channel-pill { border-radius: 18px; align-items: flex-start; }
    .content-media { min-height: 280px; padding: 20px; }
    .security-card { grid-template-columns: 1fr; text-align: center; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / 3; }
    .footer-grid > div:last-child { grid-column: auto; }
    .footer-bottom { display: block; padding-bottom: 74px; }
    .footer-bottom div { flex-wrap: wrap; }
    .mobile-bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 9998; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,255,255,.96); border-top: 1px solid var(--border); backdrop-filter: blur(14px); padding: 7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left)); box-shadow: 0 -10px 30px rgba(25,43,91,.10); }
    .mobile-bottom-nav a { text-decoration: none; color: var(--muted); display: grid; justify-items: center; font-size: 12px; line-height: 1.3; }
    .mobile-bottom-nav a span { font-size: 20px; }
    .mobile-bottom-nav a.active { color: var(--primary); font-weight: 800; }
    .site-footer { padding-bottom: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}