:root {
    --bg: #FFF8F0;
    --ink: #2A1F1A;
    --heading: #24130C;
    --muted: #75645A;
    --soft: #A9978C;
    --brand: #FF6B35;
    --deep: #2B1A3F;
    --aqua: #00E5B0;
    --gold: #FFD166;
    --rose: #B8336A;
    --pale-aqua: #EFFFFA;
    --pale-gold: #FFF1C7;
    --card: #FFFFFF;
    --border: rgba(255,107,53,.18);
    --shadow: 0 20px 46px rgba(97,45,16,.14);
    --gradient: linear-gradient(135deg, #FF6B35 0%, #FFB703 48%, #00E5B0 100%);
    --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", 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; display: block; }
button, input, textarea, select { font: inherit; }
.skip-link { position: fixed; left: 16px; top: -100px; z-index: 12000; background: #fff; color: var(--heading); padding: 10px 14px; border-radius: 12px; }
.skip-link:focus { top: 12px; }
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: rgba(38,20,12,.94);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 26px rgba(97,45,16,.16);
}
.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    min-height: 72px;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}
.site-logo, .footer-logo, .drawer-brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 900; letter-spacing: .04em; }
.site-logo { color: #FFF3E8; flex: 0 0 auto; }
.site-logo img { max-height: 44px; width: auto; }
.site-logo span { font-size: 1.18rem; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 6px; min-width: 0; }
.nav-core a { color: #FFF3E8; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .95rem; }
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0,229,176,.16); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn, .secondary-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 48px; padding: 0 22px; border-radius: 999px; font-weight: 800; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(255,107,53,.22); }
.secondary-btn { background: #fff; color: var(--heading); border: 1px solid var(--border); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.compact-btn { min-height: 42px; padding: 0 18px; font-size: .94rem; }
.menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 14px; background: rgba(255,255,255,.1); display: inline-grid; place-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { display: block; width: 19px; height: 2px; border-radius: 2px; background: #fff; }
.mobile-menu-toggle { display: none; }
.drawer-overlay { position: fixed; inset: 0; z-index: 10000; background: rgba(26,15,10,.58); opacity: 0; transition: opacity .22s ease; }
.drawer-overlay.show { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; width: min(390px, 90vw); height: 100dvh; z-index: 10001; background: #fff; transform: translateX(105%); transition: transform .25s ease; padding: 22px; overflow-y: auto; box-shadow: -28px 0 70px rgba(36,19,12,.22); }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.drawer-brand img { width: 42px; max-height: 42px; }
.drawer-brand span { font-size: 1.2rem; color: var(--heading); }
.drawer-close { width: 42px; height: 42px; border-radius: 50%; border: 1px solid var(--border); background: var(--bg); font-size: 1.8rem; 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: 15px; background: #FFF8F2; color: var(--heading); text-decoration: none; border: 1px solid rgba(255,107,53,.1); }
.drawer-nav a:hover { background: var(--pale-aqua); color: #14685a; }
.drawer-note { margin-top: 20px; padding: 15px; border-radius: 16px; background: var(--pale-gold); color: #6a4f00; font-size: .92rem; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 82px 0; }
.section.compact { padding: 58px 0; }
.section-head { max-width: 760px; margin-bottom: 32px; }
.section-head.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 800; letter-spacing: .08em; font-size: .84rem; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 24px; height: 3px; border-radius: 99px; background: var(--gradient); }
h1, h2, h3, .section-title { color: var(--heading); line-height: 1.25; margin-top: 0; }
h1 { font-size: clamp(2.6rem, 7vw, 5.6rem); letter-spacing: -.045em; }
h2 { font-size: clamp(1.8rem, 4vw, 3rem); letter-spacing: -.025em; }
h3 { font-size: 1.28rem; }
p { margin: 0 0 1em; }
.lead { color: var(--muted); font-size: clamp(1.04rem, 2vw, 1.18rem); }
.hero { position: relative; overflow: hidden; background: radial-gradient(circle at 15% 20%, rgba(255,209,102,.4), transparent 30%), radial-gradient(circle at 88% 18%, rgba(0,229,176,.27), transparent 32%), linear-gradient(135deg, #FFF0E9 0%, #F6EEFF 48%, #E9FFF8 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(184,51,106,.10); left: -80px; bottom: -100px; }
.hero::after { width: 180px; height: 180px; border: 30px solid rgba(255,107,53,.08); right: 2%; top: 8%; }
.hero-grid { min-height: 690px; display: grid; grid-template-columns: 1.02fr .98fr; gap: 56px; align-items: center; padding: 78px 0; position: relative; z-index: 1; }
.hero-copy .eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; background: rgba(255,255,255,.78); border: 1px solid var(--border); color: var(--rose); font-weight: 800; font-size: .88rem; margin-bottom: 20px; }
.hero-copy h1 span { display: block; margin-top: 14px; font-size: clamp(1.5rem, 3.2vw, 2.45rem); letter-spacing: -.02em; color: var(--deep); }
.hero-copy .lead { max-width: 680px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 26px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.hero-points li { background: rgba(255,255,255,.72); border: 1px solid rgba(43,26,63,.08); padding: 8px 12px; border-radius: 999px; font-weight: 700; color: var(--deep); font-size: .92rem; }
.hero-visual { position: relative; }
.hero-visual > img { width: 100%; max-height: 590px; object-fit: contain; filter: drop-shadow(0 30px 45px rgba(43,26,63,.20)); }
.float-card { position: absolute; background: rgba(255,255,255,.92); border: 1px solid rgba(255,107,53,.16); box-shadow: var(--shadow); border-radius: 18px; padding: 14px 16px; backdrop-filter: blur(10px); }
.float-card strong { display: block; color: var(--heading); }
.float-card span { color: var(--muted); font-size: .86rem; }
.float-one { left: -20px; bottom: 14%; }
.float-two { right: -18px; top: 16%; }
.highlight-strip { position: relative; z-index: 2; margin-top: -36px; }
.highlight-grid { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 24px; display: grid; grid-template-columns: repeat(4,1fr); overflow: hidden; }
.highlight-item { padding: 24px; }
.highlight-item + .highlight-item { border-left: 1px solid rgba(255,107,53,.12); }
.highlight-item h2 { font-size: 1.08rem; margin-bottom: 7px; }
.highlight-item p { color: var(--muted); font-size: .92rem; margin: 0; }
.channel-pills { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 210px; min-height: 112px; padding: 18px 20px; background: #fff; border: 1px solid var(--border); border-radius: 18px; text-decoration: none; transition: transform .2s ease, background .2s ease; }
.channel-pill:hover { transform: translateY(-3px); background: var(--pale-aqua); }
.channel-pill strong { display: block; color: var(--heading); margin-bottom: 5px; }
.channel-pill span { display: block; color: var(--muted); font-size: .9rem; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; }
.split.reverse .media { order: 2; }
.split .media img, .content-img { width: 100%; max-height: 520px; object-fit: contain; border-radius: var(--radius); }
.media-frame { background: linear-gradient(145deg, #fff, #F6EEFF); border: 1px solid var(--border); border-radius: 30px; padding: 22px; box-shadow: var(--shadow); }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--brand); font-weight: 800; text-decoration: none; }
.text-link::after { content: "→"; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.card, .zone-card, .info-card, .review-card, .faq-item { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.card, .zone-card, .info-card, .review-card { padding: 24px; }
.card img, .zone-card img { width: 100%; height: 220px; object-fit: contain; border-radius: 18px; background: linear-gradient(145deg, #FFF8F0, #EFFFFA); margin-bottom: 18px; }
.card p, .zone-card p, .info-card p { color: var(--muted); }
.feature-list { list-style: none; padding: 0; margin: 20px 0; display: grid; gap: 10px; }
.feature-list li { position: relative; padding-left: 28px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }
.duo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.duo-card { border-radius: 28px; overflow: hidden; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.duo-card .duo-media { padding: 20px; background: linear-gradient(135deg, #FFF2E8, #F4F0FF, #E8FFF9); }
.duo-card img { width: 100%; height: 300px; object-fit: contain; }
.duo-card .duo-copy { padding: 28px; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.tint-section { background: linear-gradient(135deg, rgba(255,241,199,.65), rgba(233,255,248,.8)); }
.dark-section { background: var(--heading); color: #FFF3E8; }
.dark-section h2, .dark-section h3 { color: #fff; }
.dark-section p { color: rgba(255,243,232,.76); }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { border-radius: 26px; background: #fff; padding: 24px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.security-card img { width: 100%; height: 260px; object-fit: contain; margin-bottom: 16px; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.review-card { position: relative; }
.review-card::before { content: "“"; position: absolute; right: 18px; top: 5px; color: rgba(255,107,53,.18); font-size: 4.2rem; font-weight: 900; line-height: 1; }
.review-card p { position: relative; z-index: 1; color: var(--muted); }
.review-card strong { color: var(--heading); }
.faq-list { display: grid; gap: 14px; }
.faq-item { overflow: hidden; box-shadow: none; }
.faq-item button { width: 100%; border: 0; background: #fff; color: var(--heading); text-align: left; padding: 20px 22px; font-weight: 800; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.faq-item button::after { content: "+"; width: 30px; height: 30px; border-radius: 50%; display: grid; place-content: center; background: var(--pale-gold); color: #7d5600; flex: 0 0 auto; }
.faq-answer { display: none; padding: 0 22px 20px; color: var(--muted); }
.faq-item.open .faq-answer { display: block; }
.faq-item.open button::after { content: "−"; }
.notice { padding: 28px; border-radius: 24px; background: var(--pale-gold); border: 1px solid rgba(255,183,3,.22); }
.notice h2 { font-size: 1.55rem; }
.notice p:last-child { margin-bottom: 0; }
.page-hero { position: relative; overflow: hidden; background: linear-gradient(135deg, #FFF0E9, #F4EEFF 52%, #E9FFF8); padding: 76px 0 64px; }
.page-hero::after { content: ""; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(0,229,176,.12); right: -80px; top: -110px; }
.page-hero-grid { display: grid; grid-template-columns: 1fr .75fr; gap: 44px; align-items: center; position: relative; z-index: 1; }
.page-hero h1 { font-size: clamp(2.35rem, 5vw, 4.2rem); margin-bottom: 18px; }
.page-hero img { width: 100%; max-height: 400px; object-fit: contain; filter: drop-shadow(0 25px 34px rgba(43,26,63,.15)); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: .9rem; margin-bottom: 16px; }
.breadcrumb a { color: var(--brand); text-decoration: none; }
.prose { max-width: 860px; }
.prose h2 { margin-top: 42px; }
.prose h3 { margin-top: 28px; }
.prose p { color: var(--muted); }
.prose-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr); gap: 34px; align-items: start; }
.sticky-side { position: sticky; top: 104px; display: grid; gap: 18px; }
.side-card { background: #fff; border-radius: 22px; padding: 22px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.side-card h2 { font-size: 1.25rem; }
.side-card a { display: block; color: var(--brand); text-decoration: none; padding: 6px 0; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { counter-increment: step; padding: 20px 20px 20px 68px; border-radius: 20px; background: #fff; border: 1px solid var(--border); position: relative; }
.step::before { content: counter(step); position: absolute; left: 20px; top: 20px; width: 32px; height: 32px; border-radius: 50%; display: grid; place-content: center; background: var(--gradient); color: #fff; font-weight: 900; }
.contact-box { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.contact-box .info-card { box-shadow: none; }
.site-footer { background: #1A0F0A; color: #FFF3E8; padding: 62px 0 24px; }
.footer-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: 1.5fr repeat(3,1fr); gap: 36px; }
.footer-logo { color: #fff; margin-bottom: 16px; }
.footer-logo img { width: 44px; max-height: 44px; }
.footer-brand p { color: rgba(255,243,232,.66); max-width: 430px; }
.footer-group h2 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-group a { display: block; color: rgba(255,243,232,.68); text-decoration: none; margin: 8px 0; }
.footer-group a:hover { color: var(--aqua); }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 34px auto 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: rgba(255,243,232,.58); font-size: .88rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { color: rgba(255,243,232,.72); text-decoration: none; margin-left: 16px; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1050px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 9px; font-size: .88rem; }
    .hero-grid { gap: 28px; }
    .card-grid { grid-template-columns: repeat(2,1fr); }
    .review-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 860px) {
    .nav-core, .desktop-menu-toggle { display: none; }
    .mobile-menu-toggle { display: inline-grid; order: 0; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo span { display: none; }
    .site-logo img { max-height: 40px; }
    .header-actions { margin-left: auto; }
    .header-inner { min-height: 66px; }
    .hero-grid, .split, .page-hero-grid, .prose-grid { grid-template-columns: 1fr; }
    .hero-grid { min-height: auto; padding: 58px 0 80px; }
    .hero-copy { text-align: center; }
    .hero-copy .lead { margin-left: auto; margin-right: auto; }
    .hero-actions, .hero-points { justify-content: center; }
    .hero-visual { max-width: 640px; margin: 0 auto; }
    .highlight-grid { grid-template-columns: repeat(2,1fr); }
    .highlight-item:nth-child(3) { border-left: 0; border-top: 1px solid rgba(255,107,53,.12); }
    .highlight-item:nth-child(4) { border-top: 1px solid rgba(255,107,53,.12); }
    .duo-grid, .security-grid { grid-template-columns: 1fr; }
    .three-grid { grid-template-columns: 1fr 1fr; }
    .split.reverse .media { order: initial; }
    .sticky-side { position: static; }
    .footer-inner { grid-template-columns: 1.5fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
    body { padding-bottom: 70px; }
    .container { width: min(100% - 28px, var(--max)); }
    .section { padding: 62px 0; }
    .section.compact { padding: 44px 0; }
    .header-inner { padding: 0 12px; }
    .compact-btn { min-height: 38px; padding: 0 13px; font-size: .86rem; }
    .hero-grid { padding-top: 46px; gap: 28px; }
    h1 { font-size: 2.72rem; }
    .hero-copy h1 span { font-size: 1.55rem; }
    .float-card { display: none; }
    .highlight-strip { margin-top: -24px; }
    .highlight-grid, .card-grid, .card-grid.two, .three-grid, .review-grid, .contact-box { grid-template-columns: 1fr; }
    .highlight-item + .highlight-item { border-left: 0; border-top: 1px solid rgba(255,107,53,.12); }
    .channel-pill { flex-basis: 100%; }
    .duo-card img { height: 240px; }
    .page-hero { padding: 54px 0 48px; }
    .page-hero-grid { gap: 24px; }
    .page-hero img { max-height: 290px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .footer-bottom a { margin-left: 0; margin-right: 14px; }
    .mobile-bottom-nav { position: fixed; display: grid; grid-template-columns: repeat(4,1fr); left: 0; right: 0; bottom: 0; z-index: 9000; min-height: 64px; background: rgba(255,255,255,.96); border-top: 1px solid var(--border); box-shadow: 0 -10px 28px rgba(97,45,16,.12); backdrop-filter: blur(12px); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1px; color: var(--muted); text-decoration: none; font-size: .76rem; }
    .mobile-bottom-nav span { color: var(--brand); font-size: 1.1rem; line-height: 1; }
}
@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; transition: none !important; }
}