:root {
    --bg: #fff8f0;
    --nav: rgba(38, 20, 12, 0.94);
    --title: #24130c;
    --brand: #ff6b35;
    --deep: #2b1a3f;
    --neon: #00e5b0;
    --gold: #ffd166;
    --accent: #b8336a;
    --pale-blue: #e9fff8;
    --pale-gold: #fff1c7;
    --text: #2a1f1a;
    --muted: #75645a;
    --soft: #a9978c;
    --card: #fff;
    --border: rgba(255, 107, 53, 0.18);
    --shadow: 0 20px 46px rgba(97, 45, 16, 0.14);
    --radius: 24px;
    --max: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background:
        radial-gradient(circle at 8% 8%, rgba(255, 209, 102, 0.22), transparent 30%),
        radial-gradient(circle at 92% 16%, rgba(0, 229, 176, 0.14), transparent 28%),
        var(--bg);
    color: var(--text);
    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%; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 9999;
    background: var(--nav);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 26px rgba(97, 45, 16, 0.16);
}
.header-inner {
    width: min(calc(100% - 32px), 1280px);
    margin: 0 auto;
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff3e8;
    text-decoration: none;
    flex: 0 0 auto;
}
.site-logo img { max-height: 44px; width: auto; display: block; }
.site-logo strong { font-size: 1.25rem; letter-spacing: .04em; }
.nav-core { display: flex; align-items: center; gap: 8px; }
.nav-core a {
    color: #fff3e8;
    text-decoration: none;
    border-radius: 999px;
    padding: 8px 12px;
    font-size: .95rem;
    white-space: nowrap;
}
.nav-core a:hover, .nav-core a.active { color: #fff; background: rgba(0, 229, 176, 0.16); }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.main-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #ff6b35 0%, #ffb703 48%, #00e5b0 100%);
    color: #fff;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 14px 32px rgba(255, 107, 53, 0.22);
    transition: transform .2s ease, box-shadow .2s ease;
}
.main-btn:hover { transform: translateY(-2px); box-shadow: 0 18px 38px rgba(255, 107, 53, 0.3); }
.menu-button {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 14px;
    background: rgba(255,255,255,.08);
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-button span { width: 19px; height: 2px; background: #fff; border-radius: 99px; }
.mobile-menu-button { display: none; }

.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(20, 8, 4, .54);
    opacity: 0;
    visibility: hidden;
    transition: .25s ease;
    z-index: 10000;
}
.site-drawer {
    position: fixed;
    top: 0;
    right: 0;
    width: min(390px, 92vw);
    height: 100dvh;
    z-index: 10001;
    background: #fffaf5;
    padding: 22px;
    transform: translateX(105%);
    transition: transform .28s ease;
    overflow-y: auto;
    box-shadow: -24px 0 60px rgba(36,19,12,.28);
}
.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; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.drawer-head .site-logo { color: var(--title); }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: #fff1e7; color: var(--title); font-size: 1.7rem; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; padding: 22px 0; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; border-radius: 14px; background: #fff; border: 1px solid var(--border); font-weight: 700; }
.drawer-nav a:hover { border-color: var(--brand); color: var(--brand); }
.drawer-tip { padding: 18px; border-radius: 20px; background: linear-gradient(135deg, var(--pale-gold), var(--pale-blue)); }
.drawer-tip p { margin: 6px 0 0; color: var(--muted); font-size: .93rem; }

.section-shell { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.hero {
    display: grid;
    grid-template-columns: 1.03fr .97fr;
    gap: 56px;
    align-items: center;
    padding: 78px 0 54px;
    min-height: 690px;
}
.hero-copy { position: relative; z-index: 2; }
.eyebrow, .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: .84rem;
    font-weight: 900;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #a46800;
}
.eyebrow::before, .section-kicker::before { content: ""; width: 20px; height: 2px; background: linear-gradient(90deg, var(--brand), var(--neon)); border-radius: 99px; }
h1, h2, h3, .section-title { color: var(--title); line-height: 1.22; }
h1 { margin: 18px 0; font-size: clamp(3.4rem, 8vw, 7.4rem); letter-spacing: -.06em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.85rem); margin: 12px 0 16px; }
h3 { font-size: 1.12rem; margin: 0 0 8px; }
p { margin: 0 0 14px; }
.hero-subtitle { font-size: clamp(1.28rem, 2.5vw, 2rem); font-weight: 800; color: var(--deep); margin-top: -10px; }
.hero-lead { color: var(--muted); font-size: 1.05rem; max-width: 760px; }
.hero-actions { display: flex; align-items: center; gap: 18px; margin-top: 28px; flex-wrap: wrap; }
.text-link { color: var(--brand); text-decoration: none; font-weight: 800; }
.text-link::after { content: " →"; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 26px 0 0; list-style: none; }
.hero-points li { padding: 8px 12px; border-radius: 999px; background: #fff; border: 1px solid var(--border); box-shadow: 0 8px 24px rgba(97,45,16,.08); font-size: .9rem; }
.hero-visual { position: relative; }
.hero-visual::before, .hero-visual::after { content: ""; position: absolute; border-radius: 50%; filter: blur(2px); }
.hero-visual::before { width: 230px; height: 230px; right: -22px; top: -30px; background: rgba(0,229,176,.22); }
.hero-visual::after { width: 180px; height: 180px; left: -30px; bottom: -34px; background: rgba(184,51,106,.18); }
.hero-visual img { position: relative; z-index: 1; width: 100%; height: auto; object-fit: contain; border-radius: 36px; box-shadow: 0 34px 70px rgba(43,26,63,.22); }
.floating-card { position: absolute; z-index: 2; padding: 13px 16px; border-radius: 18px; background: rgba(255,255,255,.9); backdrop-filter: blur(10px); box-shadow: var(--shadow); font-weight: 800; }
.floating-card.one { left: -24px; top: 18%; }
.floating-card.two { right: -18px; bottom: 14%; }

.highlight-strip { display: grid; grid-template-columns: repeat(4,1fr); gap: 14px; padding: 0 0 56px; }
.highlight-item { background: #fff; border: 1px solid var(--border); border-radius: 20px; padding: 20px; box-shadow: 0 12px 34px rgba(97,45,16,.09); }
.highlight-item strong { display: block; color: var(--title); margin-bottom: 6px; }
.highlight-item p { font-size: .92rem; color: var(--muted); margin: 0; }

.channel-shell { padding: 10px 0 72px; }
.channel-list { display: flex; gap: 12px; flex-wrap: wrap; }
.channel-pill { flex: 1 1 210px; padding: 15px 18px; border-radius: 999px; background: #fff; border: 1px solid var(--border); text-decoration: none; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.channel-pill span { font-weight: 900; color: var(--title); }
.channel-pill small { color: var(--muted); }
.channel-pill:hover { border-color: var(--neon); transform: translateY(-2px); }

.section-heading { max-width: 760px; margin-bottom: 28px; }
.section-heading p { color: var(--muted); }
.content-split { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; padding: 72px 0; }
.content-split.reverse .media-side { order: 2; }
.content-split.reverse .copy-side { order: 1; }
.media-side img, .content-img, .zone-card img, .app-section img { width: 100%; height: auto; object-fit: contain; border-radius: 28px; }
.copy-side { padding: 10px; }
.clean-list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 10px; }
.clean-list li { position: relative; padding-left: 28px; color: var(--muted); }
.clean-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--brand); font-weight: 900; }

.card, .zone-card, .info-card, .review-card { background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); border-radius: 22px; }
.dual-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; padding: 32px 0 72px; }
.zone-card { overflow: hidden; }
.zone-card img { border-radius: 0; max-height: 330px; }
.zone-card-body { padding: 28px; }
.zone-card-body p { color: var(--muted); }
.feature-points { display: grid; gap: 10px; margin-top: 18px; }
.feature-points span { display: block; padding: 10px 12px; background: #fff8f2; border-radius: 12px; font-size: .92rem; }
.three-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; padding: 20px 0 74px; }
.three-grid .info-card { overflow: hidden; }
.three-grid img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#fff2e5,#e9fff8); }
.card-body { padding: 24px; }
.card-body p { color: var(--muted); }

.security-zone { display: grid; grid-template-columns: 1.2fr .8fr; gap: 26px; padding: 72px 0; }
.security-copy { padding: 38px; background: var(--deep); color: #fff; border-radius: 28px; box-shadow: var(--shadow); }
.security-copy h2 { color: #fff; }
.security-copy p { color: rgba(255,255,255,.78); }
.security-images { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.security-images img { width: 100%; height: 100%; min-height: 300px; object-fit: contain; border-radius: 24px; background: #fff; border: 1px solid var(--border); }

.reviews { padding: 70px 0; }
.review-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.review-card { padding: 24px; }
.review-card blockquote { margin: 0 0 16px; color: var(--muted); font-size: 1rem; }
.review-meta { color: var(--soft); font-size: .86rem; }
.faq-section { padding: 70px 0; }
.faq-list { display: grid; gap: 12px; }
.faq-list details { background: #fff; border: 1px solid var(--border); border-radius: 18px; padding: 0 20px; }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 34px 18px 0; font-weight: 800; position: relative; color: var(--title); }
.faq-list summary::after { content: "+"; position: absolute; right: 2px; top: 14px; font-size: 1.5rem; color: var(--brand); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { color: var(--muted); padding: 0 0 18px; }
.notice-band { margin: 36px auto 72px; padding: 26px 30px; border-radius: 24px; background: linear-gradient(135deg,var(--pale-gold),var(--pale-blue)); border: 1px solid rgba(0,229,176,.2); }
.notice-band h2 { font-size: 1.6rem; }
.notice-band p { color: var(--muted); }
.final-cta { margin-top: 64px; margin-bottom: 80px; padding: 34px; border-radius: 28px; background: linear-gradient(135deg,#24130c,#2b1a3f); color: #fff; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.final-cta h2 { color: #fff; margin-bottom: 8px; }
.final-cta p { color: rgba(255,255,255,.7); margin: 0; }

.sub-hero { display: grid; grid-template-columns: 1.08fr .92fr; gap: 44px; align-items: center; padding: 76px 0 58px; }
.sub-hero h1 { font-size: clamp(2.5rem, 6vw, 5.2rem); }
.sub-hero-media img { box-shadow: var(--shadow); background: #fff; }
.page-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; padding: 18px 0 72px; }
.page-section-card { position: relative; padding: 30px; }
.page-section-card.featured-card { grid-column: 1 / -1; background: linear-gradient(135deg,#fff,#f2fffb); }
.card-index { display: inline-flex; color: var(--brand); font-weight: 900; letter-spacing: .12em; margin-bottom: 8px; }
.soft-panel { padding: 40px; border-radius: 30px; background: linear-gradient(135deg,#fff1c7,#e9fff8); margin-bottom: 72px; }
.compact-heading { margin-bottom: 24px; }
.steps-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.step-card { background: rgba(255,255,255,.78); border: 1px solid rgba(255,107,53,.14); border-radius: 20px; padding: 22px; }
.step-card > span { width: 34px; height: 34px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; background: var(--deep); color: #fff; font-weight: 900; margin-bottom: 14px; }
.step-card p { color: var(--muted); margin: 0; }
.assurance-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; padding: 0 0 28px; }
.assurance-grid > article { padding: 30px; }
.assurance-grid blockquote { margin: 18px 0; font-size: 1.16rem; color: var(--muted); }
.safety-note-card { background: var(--deep); color: #fff; }
.safety-note-card h2 { color: #fff; }
.safety-note-card p { color: rgba(255,255,255,.75); }
.safety-note-card .text-link { color: var(--gold); }

.site-footer { background: #1a0f0a; color: #fff3e8; padding: 58px 0 100px; }
.footer-inner { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 58px; }
.footer-brand p { color: rgba(255,243,232,.66); max-width: 520px; margin-top: 20px; }
.footer-links { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.footer-links h3 { color: #fff; font-size: 1rem; }
.footer-links a { display: block; text-decoration: none; color: rgba(255,243,232,.68); padding: 4px 0; }
.footer-links a:hover { color: var(--neon); }
.footer-bottom { width: min(calc(100% - 32px), var(--max)); margin: 38px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 24px; color: rgba(255,243,232,.52); font-size: .84rem; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1060px) {
    .nav-core a:nth-child(3), .nav-core a:nth-child(4) { display: none; }
    .hero { gap: 34px; }
    .highlight-strip { grid-template-columns: repeat(2,1fr); }
    .review-grid { grid-template-columns: repeat(2,1fr); }
    .three-grid { grid-template-columns: repeat(2,1fr); }
    .three-grid article:last-child { grid-column: 1 / -1; }
}

@media (max-width: 780px) {
    body { padding-bottom: 72px; }
    .header-inner { width: min(calc(100% - 20px), 1280px); min-height: 64px; gap: 8px; position: relative; }
    .header-inner > .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }
    .nav-core, .desktop-menu-button { display: none; }
    .mobile-menu-button { display: inline-flex; }
    .header-actions { margin-left: auto; }
    .header-cta { min-height: 40px; padding: 0 15px; font-size: .86rem; }
    .site-logo strong { font-size: 1.05rem; }
    .site-logo img { max-height: 36px; }
    .hero, .sub-hero, .content-split, .security-zone, .footer-inner, .assurance-grid { grid-template-columns: 1fr; }
    .hero { padding: 54px 0 38px; min-height: auto; }
    .hero h1 { font-size: 4.4rem; }
    .hero-visual { margin-top: 16px; }
    .floating-card.one { left: 8px; top: 8%; }
    .floating-card.two { right: 8px; bottom: 8%; }
    .highlight-strip, .dual-grid, .page-grid, .steps-grid { grid-template-columns: 1fr; }
    .content-split.reverse .media-side, .content-split.reverse .copy-side { order: initial; }
    .three-grid, .review-grid { grid-template-columns: 1fr; }
    .three-grid article:last-child { grid-column: auto; }
    .security-images { grid-template-columns: 1fr 1fr; }
    .security-images img { min-height: 210px; }
    .page-section-card.featured-card { grid-column: auto; }
    .soft-panel { padding: 26px 20px; }
    .final-cta { align-items: flex-start; flex-direction: column; }
    .footer-links { grid-template-columns: repeat(2,1fr); }
    .footer-bottom { flex-direction: column; }
    .mobile-bottom-nav {
        position: fixed;
        left: 10px;
        right: 10px;
        bottom: max(10px, env(safe-area-inset-bottom));
        z-index: 9000;
        display: grid;
        grid-template-columns: repeat(4,1fr);
        background: rgba(36,19,12,.94);
        backdrop-filter: blur(14px);
        border: 1px solid rgba(255,255,255,.12);
        border-radius: 20px;
        box-shadow: 0 18px 42px rgba(36,19,12,.3);
        overflow: hidden;
    }
    .mobile-bottom-nav a { color: #fff3e8; text-decoration: none; font-size: .75rem; text-align: center; padding: 9px 4px; }
    .mobile-bottom-nav span { display: block; font-size: 1.1rem; line-height: 1; margin-bottom: 4px; color: var(--neon); }
}

@media (max-width: 520px) {
    .section-shell { width: min(calc(100% - 22px), var(--max)); }
    .site-drawer { width: 92vw; padding: 18px; }
    .drawer-nav { grid-template-columns: 1fr; }
    .highlight-strip { grid-template-columns: 1fr; }
    .channel-pill { border-radius: 20px; align-items: flex-start; flex-direction: column; }
    .content-split { padding: 52px 0; }
    .zone-card-body, .page-section-card, .assurance-grid > article { padding: 22px; }
    .security-copy { padding: 25px; }
    .security-images { grid-template-columns: 1fr; }
    .security-images img { min-height: 230px; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { padding-bottom: 18px; }
}