:root {
    --bg: #fff8f0;
    --surface: #ffffff;
    --surface-soft: #effffa;
    --surface-gold: #fff1c7;
    --ink: #2a1f1a;
    --title: #24130c;
    --muted: #75645a;
    --faint: #a9978c;
    --brand: #ff6b35;
    --brand-strong: #ff7a00;
    --purple: #2b1a3f;
    --mint: #00e5b0;
    --gold: #ffd166;
    --berry: #b8336a;
    --border: rgba(255, 107, 53, .18);
    --shadow: 0 20px 46px rgba(97, 45, 16, .14);
    --shadow-small: 0 12px 30px rgba(97, 45, 16, .10);
    --radius: 24px;
    --radius-small: 16px;
    --max: 1240px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 10% 8%, rgba(255, 209, 102, .24), transparent 30rem),
        radial-gradient(circle at 90% 14%, rgba(0, 229, 176, .14), transparent 34rem),
        var(--bg);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
}
body.no-scroll { overflow: hidden; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.skip-link {
    position: fixed; left: 16px; top: -80px; z-index: 20000;
    padding: 10px 16px; border-radius: 999px; background: #fff; color: var(--title); box-shadow: var(--shadow-small);
}
.skip-link:focus { top: 12px; }
.site-header {
    position: sticky; top: 0; z-index: 9999; width: 100%;
    background: rgba(38, 20, 12, .94); backdrop-filter: blur(14px);
    box-shadow: 0 8px 26px rgba(97, 45, 16, .16);
}
.header-inner {
    max-width: 1280px; min-height: 72px; margin: 0 auto; padding: 0 20px;
    display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-logo, .footer-logo, .drawer-brand {
    display: inline-flex; align-items: center; gap: 10px; text-decoration: none;
}
.site-logo img { width: 42px; height: 42px; object-fit: contain; }
.site-logo strong { color: #fff3e8; font-size: 1.38rem; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; }
.nav-core a {
    padding: 8px 12px; border-radius: 999px; color: #fff3e8; text-decoration: none; font-size: .95rem; white-space: nowrap;
}
.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; }
.main-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    min-height: 48px; padding: 11px 22px; border: 0; border-radius: 999px;
    color: #fff; font-weight: 800; text-decoration: none;
    background: linear-gradient(135deg, #ff6b35 0%, #ffb703 48%, #00e5b0 100%);
    box-shadow: 0 14px 32px rgba(255, 107, 53, .22); transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 36px rgba(255, 107, 53, .28); }
.main-btn.compact { min-height: 42px; padding: 9px 18px; font-size: .92rem; }
.secondary-btn {
    display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 20px;
    border: 1px solid rgba(43, 26, 63, .18); border-radius: 999px; color: var(--purple); font-weight: 800; text-decoration: none; background: rgba(255,255,255,.72);
}
.menu-toggle {
    width: 44px; height: 44px; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
    border: 1px solid rgba(255,255,255,.18); border-radius: 14px; background: rgba(255,255,255,.08);
}
.menu-toggle span { width: 19px; height: 2px; border-radius: 4px; background: #fff3e8; }
.mobile-menu-toggle { display: none; }
.drawer-overlay {
    position: fixed; inset: 0; z-index: 10000; opacity: 0; background: rgba(26, 15, 10, .56); backdrop-filter: blur(3px); transition: opacity .24s ease;
}
.drawer-overlay.is-visible { opacity: 1; }
.site-drawer {
    position: fixed; top: 0; right: 0; z-index: 10001; width: min(420px, 92vw); height: 100dvh;
    padding: 24px; overflow-y: auto; transform: translateX(102%); transition: transform .28s ease;
    background: #fffaf5; box-shadow: -24px 0 70px rgba(36, 19, 12, .24);
}
.site-drawer.is-open { transform: translateX(0); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.drawer-brand img { width: 44px; height: 44px; object-fit: contain; }
.drawer-brand span { color: var(--title); font-size: 1.35rem; font-weight: 900; }
.drawer-close { border: 0; background: transparent; color: var(--title); font-size: 2rem; line-height: 1; }
.drawer-intro { color: var(--muted); margin: 18px 0; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.drawer-nav a {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 13px 14px;
    border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--title); text-decoration: none; font-weight: 700;
}
.drawer-nav a:hover { border-color: rgba(0, 229, 176, .46); background: var(--surface-soft); }
.drawer-nav span { color: var(--brand); }
.drawer-note { margin-top: 18px; padding: 16px; border-radius: 16px; background: var(--surface-gold); color: #644a18; font-size: .9rem; }
main { display: block; }
.section { padding: 92px 20px; }
.section.compact { padding-top: 62px; padding-bottom: 62px; }
.container { width: min(100%, var(--max)); margin: 0 auto; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-kicker { display: inline-block; color: var(--brand-strong); font-weight: 900; letter-spacing: .08em; margin-bottom: 8px; }
h1, h2, h3, .section-title { margin-top: 0; color: var(--title); line-height: 1.2; }
h1 { font-size: clamp(2.7rem, 7vw, 6.4rem); letter-spacing: -.04em; }
h2 { font-size: clamp(2rem, 4vw, 3.35rem); letter-spacing: -.025em; }
h3 { font-size: 1.25rem; }
p { margin-top: 0; }
.lead { font-size: clamp(1.04rem, 2vw, 1.22rem); color: var(--muted); }
.text-link { color: var(--brand); font-weight: 800; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.hero { padding: 72px 20px 58px; overflow: hidden; }
.hero-grid { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 54px; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; padding: 8px 13px;
    border: 1px solid rgba(255, 107, 53, .2); border-radius: 999px; background: rgba(255,255,255,.72); color: var(--berry); font-weight: 800;
}
.eyebrow::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 0 5px rgba(0,229,176,.13); }
.hero h1 { margin-bottom: 14px; }
.hero-subtitle { margin: 0 0 20px; color: var(--purple); font-size: clamp(1.45rem, 3vw, 2.2rem); font-weight: 900; }
.hero-copy { max-width: 700px; color: var(--muted); font-size: 1.06rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 22px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 0; padding: 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--title); font-size: .92rem; box-shadow: var(--shadow-small); }
.hero-visual { position: relative; min-height: 540px; display: grid; place-items: center; }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); }
.hero-visual::before { width: 360px; height: 360px; right: -8%; top: 6%; background: rgba(0,229,176,.15); }
.hero-visual::after { width: 260px; height: 260px; left: 0; bottom: 2%; background: rgba(184,51,106,.13); }
.hero-visual img { position: relative; z-index: 1; max-height: 560px; width: 100%; object-fit: contain; filter: drop-shadow(0 28px 40px rgba(43,26,63,.18)); }
.floating-note {
    position: absolute; z-index: 2; max-width: 220px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.9); border: 1px solid var(--border); box-shadow: var(--shadow-small); color: var(--title); font-weight: 800;
}
.floating-note.one { left: 0; top: 14%; }
.floating-note.two { right: 0; bottom: 10%; }
.highlight-strip { padding: 0 20px 40px; }
.highlight-grid { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.highlight-item { padding: 20px; border-radius: 20px; background: rgba(255,255,255,.86); border: 1px solid var(--border); box-shadow: var(--shadow-small); }
.highlight-item strong { display: block; margin-bottom: 7px; color: var(--title); font-size: 1.06rem; }
.highlight-item p { margin: 0; color: var(--muted); font-size: .93rem; }
.pill-channels { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.channel-pill { min-height: 135px; padding: 18px; border-radius: 22px; background: #fff; border: 1px solid var(--border); text-decoration: none; box-shadow: var(--shadow-small); }
.channel-pill:hover { transform: translateY(-3px); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 7px; }
.channel-pill small { display: block; color: var(--muted); line-height: 1.6; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; align-items: stretch; }
.media-panel, .card, .zone-card, .info-card, .review-card, .faq-item, .notice-card {
    background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: var(--radius);
}
.media-panel { overflow: hidden; display: grid; grid-template-columns: .9fr 1.1fr; }
.media-panel.reverse { grid-template-columns: 1.1fr .9fr; }
.media-panel img { width: 100%; height: 100%; min-height: 360px; object-fit: contain; background: linear-gradient(145deg, #effffa, #fff1c7); padding: 20px; }
.media-panel-content { padding: 42px; align-self: center; }
.feature-list { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.feature-list li { position: relative; padding-left: 27px; color: var(--muted); }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--brand); font-weight: 900; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card, .zone-card, .info-card { padding: 26px; }
.card img, .zone-card img, .info-card img { width: 100%; max-height: 230px; object-fit: contain; border-radius: 18px; margin-bottom: 20px; background: linear-gradient(145deg, #effffa, #fff8f0); }
.card p, .zone-card p, .info-card p { color: var(--muted); }
.card .text-link, .zone-card .text-link { display: inline-block; margin-top: 8px; }
.three-zone { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.security-card { padding: 32px; border-radius: var(--radius); }
.security-card:first-child { background: var(--purple); color: #fff3e8; }
.security-card:first-child h2, .security-card:first-child h3 { color: #fff; }
.security-card:last-child { background: var(--surface-soft); border: 1px solid rgba(0,229,176,.22); }
.security-card img { width: 100%; max-height: 250px; object-fit: contain; border-radius: 18px; margin-bottom: 20px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.review-card { padding: 24px; }
.review-card p { color: var(--muted); }
.review-meta { display: flex; align-items: center; gap: 12px; margin-top: 18px; color: var(--title); font-weight: 800; }
.avatar { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; background: linear-gradient(135deg, #ffd166, #00e5b0); color: var(--purple); }
.faq-list { display: grid; gap: 14px; }
.faq-item { padding: 0; overflow: hidden; }
.faq-item details { padding: 0; }
.faq-item summary { padding: 20px 24px; color: var(--title); font-weight: 900; cursor: pointer; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; float: right; color: var(--brand); font-size: 1.4rem; }
.faq-item details[open] summary::after { content: "−"; }
.faq-answer { padding: 0 24px 22px; color: var(--muted); }
.notice-card { padding: 34px; background: linear-gradient(135deg, #fff1c7, #effffa); }
.notice-card h2 { font-size: clamp(1.7rem, 3vw, 2.5rem); }
.notice-card p { color: #5f5149; }
.band { background: var(--purple); color: #fff3e8; }
.band h2, .band h3 { color: #fff; }
.band .lead, .band p { color: rgba(255,243,232,.82); }
.band .section-kicker { color: var(--gold); }
.internal-hero { padding: 72px 20px 60px; }
.internal-grid { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 50px; }
.internal-hero h1 { font-size: clamp(2.55rem, 6vw, 5rem); margin-bottom: 18px; }
.internal-hero img { width: 100%; max-height: 480px; object-fit: contain; border-radius: 32px; background: linear-gradient(145deg, #effffa, #fff1c7); padding: 20px; box-shadow: var(--shadow); }
.stat-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.stat { padding: 14px; border-radius: 16px; background: rgba(255,255,255,.8); border: 1px solid var(--border); }
.stat strong { display: block; color: var(--title); }
.stat span { color: var(--muted); font-size: .88rem; }
.prose { max-width: 860px; }
.prose p { color: var(--muted); font-size: 1.03rem; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.service-card { padding: 26px; border-radius: 22px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow-small); }
.service-card .num { display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 16px; border-radius: 12px; background: var(--surface-gold); color: var(--berry); font-weight: 900; }
.service-card p { color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: steps; }
.step { position: relative; padding: 28px 24px 24px; border-left: 3px solid var(--mint); background: #fff; border-radius: 0 20px 20px 0; box-shadow: var(--shadow-small); }
.step::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 12px; color: var(--brand); font-size: 1.55rem; font-weight: 900; }
.step p { color: var(--muted); }
.quote-panel { padding: 40px; border-radius: 26px; background: linear-gradient(135deg, rgba(43,26,63,.96), rgba(184,51,106,.92)); color: #fff; box-shadow: var(--shadow); }
.quote-panel blockquote { margin: 0; font-size: clamp(1.35rem, 3vw, 2rem); line-height: 1.5; font-weight: 800; }
.quote-panel p { margin: 18px 0 0; color: rgba(255,255,255,.8); }
.contact-options { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.contact-option { padding: 24px; border-radius: 20px; background: #fff; border: 1px solid var(--border); }
.contact-option p { color: var(--muted); }
.site-footer { padding: 70px 20px 30px; background: #1a0f0a; color: #fff3e8; }
.footer-grid { width: min(100%, var(--max)); margin: 0 auto; display: grid; grid-template-columns: 1.7fr repeat(3, 1fr); gap: 40px; }
.footer-logo img { width: 46px; height: 46px; object-fit: contain; }
.footer-logo strong { color: #fff; font-size: 1.4rem; }
.footer-brand p { max-width: 470px; color: rgba(255,243,232,.72); }
.site-footer h2 { color: #fff; font-size: 1.06rem; }
.site-footer section > a:not(.main-btn):not(.footer-logo) { display: block; margin: 8px 0; color: rgba(255,243,232,.74); text-decoration: none; }
.site-footer section > a:hover { color: #fff; }
.footer-bottom { width: min(100%, var(--max)); margin: 42px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.11); display: flex; justify-content: space-between; gap: 20px; color: rgba(255,243,232,.62); font-size: .88rem; }
.footer-bottom p { margin: 0; }
.footer-bottom a { margin-left: 16px; color: rgba(255,243,232,.8); text-decoration: none; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1080px) {
    .nav-core { gap: 2px; }
    .nav-core a { padding: 8px 8px; font-size: .9rem; }
    .hero-grid, .internal-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: none; }
    .hero-visual { min-height: 420px; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .pill-channels { grid-template-columns: repeat(3, 1fr); }
    .card-grid, .review-grid, .service-grid, .steps { grid-template-columns: repeat(2, 1fr); }
    .three-zone { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
    .footer-grid section:last-child { grid-column: 2 / 4; }
}
@media (max-width: 820px) {
    body { padding-bottom: 72px; }
    .header-inner { min-height: 64px; padding: 0 14px; gap: 10px; }
    .nav-core, .desktop-menu-toggle { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .site-logo strong { display: none; }
    .site-logo img { width: 38px; height: 38px; }
    .header-actions { margin-left: auto; }
    .main-btn.compact { min-height: 38px; padding: 8px 13px; font-size: .83rem; }
    .section { padding: 68px 18px; }
    .hero { padding: 52px 18px 42px; }
    .hero-visual { min-height: 360px; }
    .floating-note { font-size: .82rem; max-width: 170px; }
    .split, .security-grid, .media-panel, .media-panel.reverse { grid-template-columns: 1fr; }
    .media-panel img { min-height: 280px; }
    .media-panel-content { padding: 30px; }
    .pill-channels { grid-template-columns: repeat(2, 1fr); }
    .three-zone { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-grid section:last-child { grid-column: auto; }
    .footer-bottom { flex-direction: column; }
    .footer-bottom a { margin: 0 16px 0 0; }
    .mobile-bottom-nav {
        position: fixed; left: 10px; right: 10px; bottom: 10px; z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr);
        padding: 8px; border: 1px solid rgba(255,255,255,.14); border-radius: 20px; background: rgba(38,20,12,.94); backdrop-filter: blur(14px); box-shadow: 0 12px 32px rgba(36,19,12,.26);
    }
    .mobile-bottom-nav a { display: grid; place-items: center; gap: 2px; color: #fff3e8; text-decoration: none; font-size: .76rem; }
    .mobile-bottom-nav span { color: var(--mint); font-size: 1rem; }
}
@media (max-width: 580px) {
    h1 { font-size: 3rem; }
    .drawer-nav { grid-template-columns: 1fr; }
    .highlight-grid, .card-grid, .review-grid, .service-grid, .steps, .stat-row, .contact-options, .footer-grid { grid-template-columns: 1fr; }
    .pill-channels { grid-template-columns: 1fr; }
    .footer-brand, .footer-grid section:last-child { grid-column: auto; }
    .hero-visual { min-height: 300px; }
    .floating-note.one { top: 2%; }
    .floating-note.two { bottom: 1%; }
    .notice-card, .quote-panel { padding: 28px 22px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
