/* 蘑菇视频全站样式 */
:root {
    --bg: #FFF8F0;
    --ink: #2A1F1A;
    --title: #24130C;
    --muted: #75645A;
    --soft: #A9978C;
    --brand: #FF6B35;
    --deep: #2B1A3F;
    --cyan: #00E5B0;
    --gold: #FFD166;
    --berry: #B8336A;
    --pale-cyan: #EFFFFA;
    --pale-gold: #FFF1C7;
    --line: rgba(255, 107, 53, .18);
    --shadow: 0 20px 46px rgba(97, 45, 16, .14);
    --radius: 24px;
    --gradient: linear-gradient(135deg, #FF6B35 0%, #FFB703 48%, #00E5B0 100%);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", 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 { font: inherit; }
button { cursor: pointer; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 20000; background: #fff; color: var(--title); padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 16px; }
.container { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.narrow-container { max-width: 900px; }
.section { padding: 90px 0; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 10px; color: #9A5F00; font-size: .78rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 22px; height: 3px; border-radius: 3px; background: var(--gradient); }
h1, h2, h3, .section-title { margin-top: 0; color: var(--title); line-height: 1.2; }
h1 { font-size: clamp(2.5rem, 6vw, 5.4rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.8rem, 3.4vw, 3rem); letter-spacing: -.025em; }
h3 { font-size: 1.25rem; }
p { margin: 0 0 1em; }
.lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: var(--muted); }
.main-btn, .secondary-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 10px 22px; border-radius: 999px; text-decoration: none; font-weight: 800; border: 1px solid transparent; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.main-btn { background: var(--gradient); color: #fff; box-shadow: 0 14px 32px rgba(255, 107, 53, .22); }
.main-btn:hover, .secondary-btn:hover { transform: translateY(-2px); }
.secondary-btn { border-color: rgba(36, 19, 12, .15); background: rgba(255,255,255,.78); color: var(--title); }
.text-link { color: var(--brand); text-decoration: none; font-weight: 800; }
.text-link:hover { text-decoration: underline; }

.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 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff3e8; text-decoration: none; flex: 0 0 auto; }
.site-logo img { width: auto; max-width: 150px; max-height: 44px; object-fit: contain; }
.site-logo strong { font-size: 1.12rem; white-space: nowrap; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 0; }
.nav-core a { color: #fff3e8; text-decoration: none; border-radius: 999px; padding: 8px 12px; white-space: nowrap; font-size: .94rem; }
.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; }
.header-cta { min-height: 42px; padding: 7px 18px; }
.menu-toggle { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.18); background: rgba(255,255,255,.08); border-radius: 50%; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.menu-toggle span { width: 18px; height: 2px; background: #fff; border-radius: 2px; }
.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.visible { opacity: 1; }
.site-drawer { position: fixed; top: 0; right: 0; z-index: 10001; width: min(390px, 92vw); height: 100dvh; padding: 28px; background: #fffaf5; box-shadow: -20px 0 60px rgba(36,19,12,.24); transform: translateX(105%); transition: transform .25s ease; overflow-y: auto; }
.site-drawer.open { transform: translateX(0); }
.drawer-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); }
.drawer-head strong { display: block; color: var(--title); font-size: 1.4rem; }
.drawer-close { width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--pale-gold); color: var(--title); font-size: 1.6rem; line-height: 1; }
.drawer-nav { display: grid; gap: 5px; padding: 20px 0; }
.drawer-nav a { display: flex; align-items: center; justify-content: space-between; padding: 11px 14px; border-radius: 12px; color: var(--title); text-decoration: none; }
.drawer-nav a:hover, .drawer-nav a.active { background: var(--pale-cyan); color: var(--berry); }
.drawer-nav em { color: var(--soft); font-style: normal; font-size: .8rem; }
.drawer-note { padding: 18px; border-radius: 18px; background: var(--deep); color: #fff; }
.drawer-note strong { color: var(--gold); }
.drawer-note p { margin: 6px 0 0; color: rgba(255,255,255,.8); font-size: .9rem; }

.hero { position: relative; isolation: isolate; overflow: hidden; padding: 78px 0 64px; background: radial-gradient(circle at 16% 16%, rgba(255,209,102,.5), transparent 28%), radial-gradient(circle at 88% 12%, rgba(0,229,176,.24), transparent 24%), linear-gradient(135deg, #fff1f3 0%, #f5efff 48%, #e9fff8 100%); }
.hero::before, .hero::after { content: ""; position: absolute; z-index: -1; border-radius: 50%; filter: blur(1px); }
.hero::before { width: 340px; height: 340px; right: -110px; top: 28%; background: rgba(184,51,106,.12); }
.hero::after { width: 220px; height: 220px; left: -90px; bottom: -40px; background: rgba(0,229,176,.14); }
.hero-grid { display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 60px; }
.hero-copy h1 { margin-bottom: 18px; }
.hero-copy h1 span { display: block; font-size: clamp(1rem, 2vw, 1.35rem); margin-bottom: 14px; letter-spacing: .16em; color: var(--berry); }
.hero-copy .hero-subtitle { color: var(--deep); font-size: clamp(1.4rem, 3vw, 2.3rem); font-weight: 850; margin-bottom: 20px; line-height: 1.35; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0; }
.mini-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 0; list-style: none; }
.mini-points li { padding: 7px 12px; border-radius: 999px; background: rgba(255,255,255,.72); border: 1px solid rgba(43,26,63,.09); color: var(--deep); font-size: .88rem; font-weight: 700; }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-visual > img { width: 100%; max-height: 570px; object-fit: contain; filter: drop-shadow(0 30px 50px rgba(43,26,63,.2)); }
.floating-card { position: absolute; max-width: 210px; padding: 14px 16px; border-radius: 18px; background: rgba(255,255,255,.9); box-shadow: var(--shadow); border: 1px solid rgba(255,255,255,.9); }
.floating-card strong { display: block; color: var(--title); }
.floating-card span { color: var(--muted); font-size: .82rem; }
.floating-card.card-a { left: -10px; top: 18%; }
.floating-card.card-b { right: -14px; bottom: 13%; }
.signal-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px rgba(0,229,176,.14); margin-right: 8px; }

.highlight-strip { position: relative; z-index: 2; margin-top: -24px; }
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: #fff; border-radius: 26px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.highlight-item { padding: 24px; border-right: 1px solid var(--line); }
.highlight-item:last-child { border-right: 0; }
.highlight-item strong { display: block; margin-bottom: 6px; color: var(--title); }
.highlight-item p { margin: 0; color: var(--muted); font-size: .91rem; line-height: 1.65; }

.channel-section { padding: 68px 0 30px; }
.channel-cloud { display: flex; flex-wrap: wrap; gap: 12px; }
.channel-pill { flex: 1 1 200px; min-height: 104px; padding: 16px 18px; border-radius: 20px; background: #fff; border: 1px solid var(--line); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease; }
.channel-pill:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 3px; }
.channel-pill span { display: block; color: var(--muted); font-size: .86rem; }

.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 34px; }
.section-heading > div { max-width: 650px; }
.section-heading > p { max-width: 440px; color: var(--muted); margin: 0; }
.centered-heading { justify-content: center; text-align: center; }
.soft-section { background: linear-gradient(180deg, rgba(233,255,248,.7), rgba(255,248,240,0)); }
.deep-section { background: var(--deep); color: rgba(255,255,255,.82); }
.deep-section h2, .deep-section h3 { color: #fff; }
.light-heading > p { color: rgba(255,255,255,.68); }

.brand-grid, .split-panel, .prose-grid, .inner-hero-grid { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 56px; }
.brand-copy p, .rich-copy p { color: var(--muted); }
.media-frame { position: relative; padding: 18px; border-radius: 30px; background: linear-gradient(145deg, rgba(255,107,53,.16), rgba(0,229,176,.18)); border: 1px solid rgba(255,255,255,.72); box-shadow: var(--shadow); }
.media-frame img { width: 100%; max-height: 560px; object-fit: contain; border-radius: 22px; }
.media-caption { position: absolute; left: 28px; right: 28px; bottom: 28px; padding: 10px 14px; border-radius: 14px; background: rgba(36,19,12,.82); color: #fff; backdrop-filter: blur(8px); font-size: .88rem; }
.media-caption span { display: inline-block; width: 8px; height: 8px; background: var(--cyan); border-radius: 50%; margin-right: 8px; }
.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.zone-card, .info-card, .review-card, .card { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(145deg, #fff1f3, var(--pale-cyan)); }
.zone-card-content { padding: 26px; }
.zone-card p { color: var(--muted); }
.service-points { display: grid; gap: 8px; padding: 0; margin: 16px 0 0; list-style: none; }
.service-points li { position: relative; padding-left: 20px; color: var(--muted); }
.service-points li::before { content: ""; position: absolute; left: 0; top: .72em; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient); }
.triple-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.triple-card { padding: 25px; border-radius: 22px; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.triple-card img { width: 100%; height: 210px; object-fit: contain; margin-bottom: 18px; border-radius: 16px; background: #fff8f0; }
.triple-card p { color: var(--muted); }
.security-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 30px; align-items: stretch; }
.security-media { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.security-media img { width: 100%; height: 100%; min-height: 260px; object-fit: contain; border-radius: 22px; background: #fff; box-shadow: var(--shadow); }
.security-copy { padding: 36px; border-radius: 28px; background: var(--deep); color: rgba(255,255,255,.8); }
.security-copy h2 { color: #fff; }
.security-copy ul { padding-left: 20px; }
.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.review-card { padding: 24px; margin: 0; }
.review-card p { color: var(--ink); }
.review-card footer { color: var(--berry); font-weight: 800; font-size: .88rem; }
.deep-section .review-card { border-color: rgba(255,255,255,.14); }
.faq-list { display: grid; gap: 14px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 20px; box-shadow: 0 10px 24px rgba(97,45,16,.08); }
.faq-list summary { cursor: pointer; list-style: none; padding: 18px 30px 18px 0; color: var(--title); font-weight: 800; position: relative; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 15px; color: var(--brand); font-size: 1.4rem; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { color: var(--muted); padding-bottom: 18px; }
.compliance-box { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px; padding: 32px; border-radius: 28px; background: linear-gradient(135deg, #fff1c7, #effffa); border: 1px solid var(--line); }
.compliance-icon { width: 58px; height: 58px; display: grid; place-items: center; border-radius: 50%; background: var(--deep); color: var(--gold); font-weight: 900; font-size: 1.5rem; }
.compliance-box h2 { margin-bottom: 8px; }
.compliance-box p { color: var(--muted); margin: 0; }

.inner-hero { padding: 72px 0; background: radial-gradient(circle at 15% 10%, rgba(255,209,102,.48), transparent 25%), radial-gradient(circle at 90% 20%, rgba(0,229,176,.22), transparent 25%), linear-gradient(140deg, #fff5ef, #f8efff 50%, #ecfffa); }
.inner-hero h1 { font-size: clamp(2.3rem, 5vw, 4.5rem); margin-bottom: 18px; }
.inner-hero-media img { max-height: 500px; }
.content-section { padding-bottom: 70px; }
.prose-grid { align-items: start; grid-template-columns: .72fr 1.28fr; }
.rich-copy p:first-child { font-size: 1.08rem; color: var(--ink); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.info-card { position: relative; padding: 24px; overflow: hidden; }
.info-card::after { content: ""; position: absolute; width: 100px; height: 100px; border-radius: 50%; right: -48px; top: -48px; background: rgba(0,229,176,.1); }
.card-number { display: inline-block; margin-bottom: 24px; color: var(--brand); font-weight: 900; letter-spacing: .1em; }
.info-card p { color: var(--muted); font-size: .94rem; }
.panel-copy { padding: 12px 0; }
.panel-image img { max-height: 530px; }
.step-list { display: grid; gap: 16px; list-style: none; padding: 0; margin: 28px 0 0; counter-reset: step; }
.step-list li { counter-increment: step; display: grid; grid-template-columns: 44px 1fr; column-gap: 14px; padding: 16px 0; border-top: 1px solid var(--line); }
.step-list li::before { content: counter(step); grid-row: 1 / span 2; width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--gradient); color: #fff; font-weight: 900; }
.step-list strong { color: var(--title); }
.step-list span { color: var(--muted); }
.compact-reviews { grid-template-columns: repeat(2, 1fr); }

.site-footer { background: #1A0F0A; color: #FFF3E8; padding: 70px 0 100px; }
.footer-inner { width: min(1180px, calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; }
.footer-brand p { max-width: 520px; color: rgba(255,243,232,.7); }
.footer-logo { margin-bottom: 18px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.footer-links h2 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer-links a { display: block; color: rgba(255,243,232,.7); text-decoration: none; margin: 8px 0; font-size: .92rem; }
.footer-links a:hover { color: var(--cyan); }
.footer-bottom { width: min(1180px, calc(100% - 40px)); margin: 42px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 28px; color: rgba(255,243,232,.5); font-size: .82rem; }
.footer-bottom p { margin: 0; }
.mobile-bottom-nav { display: none; }

@media (max-width: 1020px) {
    .nav-core { display: none; }
    .mobile-menu-toggle { display: inline-flex; }
    .header-inner { justify-content: space-between; }
    .hero-grid, .brand-grid, .split-panel, .prose-grid, .inner-hero-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: 760px; }
    .hero-visual { min-height: 420px; }
    .feature-grid, .security-grid { grid-template-columns: 1fr; }
    .highlight-grid { grid-template-columns: repeat(2, 1fr); }
    .highlight-item:nth-child(2) { border-right: 0; }
    .highlight-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .service-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-inner { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 760px) {
    body { padding-bottom: 72px; }
    .container, .footer-inner, .footer-bottom { width: min(100% - 28px, 1180px); }
    .section { padding: 64px 0; }
    .header-inner { min-height: 64px; padding: 0 12px; gap: 8px; }
    .site-logo img { max-height: 36px; max-width: 110px; }
    .site-logo strong { display: none; }
    .desktop-menu-toggle { display: none; }
    .header-cta { min-height: 38px; padding: 6px 13px; font-size: .85rem; }
    .menu-toggle { width: 40px; height: 40px; }
    .hero { padding: 56px 0 42px; }
    .hero-grid { gap: 24px; }
    .hero-visual { min-height: 340px; }
    .floating-card { max-width: 160px; padding: 10px 12px; }
    .floating-card.card-a { left: 0; top: 8%; }
    .floating-card.card-b { right: 0; bottom: 4%; }
    .highlight-strip { margin-top: 0; padding-top: 18px; }
    .highlight-grid, .feature-grid, .triple-grid, .review-grid, .compact-reviews, .service-grid, .security-media { grid-template-columns: 1fr; }
    .highlight-item { border-right: 0; border-bottom: 1px solid var(--line); }
    .highlight-item:last-child { border-bottom: 0; }
    .section-heading { display: block; }
    .section-heading > p { margin-top: 14px; }
    .media-frame { padding: 10px; border-radius: 22px; }
    .media-caption { position: static; margin-top: 10px; }
    .compliance-box { grid-template-columns: auto 1fr; }
    .compliance-box .secondary-btn { grid-column: 1 / -1; }
    .footer-links { grid-template-columns: 1fr 1fr; }
    .footer-bottom { display: block; }
    .footer-bottom p + p { margin-top: 10px; }
    .mobile-bottom-nav { position: fixed; left: 0; right: 0; bottom: 0; z-index: 9000; display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(26,15,10,.96); backdrop-filter: blur(10px); border-top: 1px solid rgba(255,255,255,.12); padding-bottom: env(safe-area-inset-bottom); }
    .mobile-bottom-nav a { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 62px; color: rgba(255,243,232,.72); text-decoration: none; font-size: .72rem; }
    .mobile-bottom-nav a span { font-size: 1.1rem; line-height: 1.2; }
    .mobile-bottom-nav a.active { color: var(--cyan); }
    .site-drawer { right: auto; left: 0; transform: translateX(-105%); }
    .site-drawer.open { transform: translateX(0); }
}
@media (max-width: 480px) {
    .footer-links { grid-template-columns: 1fr; }
    .hero-actions { display: grid; }
    .hero-actions a { width: 100%; }
    .channel-pill { flex-basis: 100%; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}