/* 糖心vlog 全站样式 */
:root {
  --bg: #FFF8F0;
  --nav: rgba(38,20,12,0.94);
  --title: #24130C;
  --brand: #FF6B35;
  --deep: #2B1A3F;
  --neon: #00E5B0;
  --gold: #FFD166;
  --rose: #B8336A;
  --sky: #E9FFF8;
  --cream: #FFF1C7;
  --text: #2A1F1A;
  --muted: #75645A;
  --hint: #A9978C;
  --card: #FFFFFF;
  --line: 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: var(--bg); color: var(--text); 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 { display: block; max-width: 100%; height: auto; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.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 { 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; font-weight: 900; letter-spacing: .02em; white-space: nowrap; }
.site-logo img { width: auto; max-width: 132px; max-height: 44px; object-fit: contain; }
.site-logo span { font-size: 1.1rem; }
.nav-core { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; }
.nav-core a { color: #FFF3E8; text-decoration: none; border-radius: 999px; padding: 8px 12px; font-size: .94rem; white-space: nowrap; transition: .2s ease; }
.nav-core a:hover, .nav-core a.active { color: #FFFFFF; background: rgba(0,229,176,0.16); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-btn, .ghost-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 999px; text-decoration: none; font-weight: 800; transition: transform .2s ease, box-shadow .2s ease; }
.main-btn { color: #FFFFFF; background: linear-gradient(135deg, #FF6B35 0%, #FFB703 48%, #00E5B0 100%); box-shadow: 0 14px 32px rgba(255,107,53,0.22); }
.main-btn:hover, .ghost-btn:hover { transform: translateY(-2px); }
.ghost-btn { color: var(--deep); background: rgba(255,255,255,.78); border: 1px solid rgba(43,26,63,.14); }
.menu-toggle { 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; justify-content: center; align-items: center; gap: 5px; cursor: pointer; }
.menu-toggle span { width: 19px; height: 2px; background: #fff; border-radius: 999px; }
.mobile-menu-toggle { display: none; }
.site-drawer { position: fixed; z-index: 10002; top: 0; right: 0; width: min(390px, 92vw); height: 100vh; background: #fff; box-shadow: -24px 0 60px rgba(36,19,12,.22); transform: translateX(105%); transition: transform .28s ease; padding: 24px; overflow-y: auto; }
.site-drawer.is-open { transform: translateX(0); }
.drawer-overlay { position: fixed; z-index: 10001; inset: 0; background: rgba(26,15,10,.56); backdrop-filter: blur(3px); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 18px; border-bottom: 1px solid var(--line); color: var(--title); }
.drawer-close { border: 0; background: #FFF1C7; color: var(--title); width: 42px; height: 42px; border-radius: 50%; font-size: 1.8rem; cursor: pointer; }
.drawer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 22px 0; }
.drawer-nav a { text-decoration: none; padding: 12px 14px; border-radius: 14px; color: var(--deep); background: #FFF9F4; border: 1px solid var(--line); }
.drawer-nav a:hover { background: var(--sky); }
.drawer-foot .main-btn { width: 100%; }
.section-shell { width: min(var(--max), calc(100% - 48px)); margin-inline: auto; }
.content-section { padding: 84px 0; }
.section-heading { max-width: 760px; margin-bottom: 34px; }
.section-heading h2, .split-copy h2, .safety-note h2, .cta-band h2 { margin: 8px 0 12px; color: var(--title); font-size: clamp(1.8rem, 3vw, 2.8rem); line-height: 1.2; }
.section-heading p, .lead { color: var(--muted); font-size: 1.04rem; }
.section-kicker { display: inline-flex; align-items: center; gap: 8px; color: var(--rose); font-weight: 900; letter-spacing: .08em; font-size: .82rem; text-transform: uppercase; }
.section-kicker::before { content: ""; width: 26px; height: 3px; background: linear-gradient(90deg, var(--brand), var(--neon)); border-radius: 999px; }
.page-hero { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr); align-items: center; gap: 58px; padding: 92px 0 74px; }
.page-hero::before { content: ""; position: absolute; z-index: -1; inset: 28px -5vw 10px; border-radius: 48px; background: radial-gradient(circle at 20% 20%, rgba(255,209,102,.48), transparent 30%), radial-gradient(circle at 82% 24%, rgba(0,229,176,.28), transparent 34%), linear-gradient(135deg, #F9EBFF 0%, #E9FFF8 44%, #FFF1E2 100%); }
.page-hero h1 { margin: 12px 0 18px; color: var(--title); font-size: clamp(2.5rem, 6vw, 5.2rem); line-height: 1.05; letter-spacing: -.04em; }
.page-hero-copy .lead { max-width: 720px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.media-frame { position: relative; border-radius: 32px; background: rgba(255,255,255,.78); padding: 18px; border: 1px solid rgba(255,255,255,.8); box-shadow: var(--shadow); overflow: hidden; }
.media-frame::after { content: ""; position: absolute; inset: auto 20px 18px auto; width: 74px; height: 74px; border-radius: 50%; background: linear-gradient(135deg, rgba(255,107,53,.86), rgba(0,229,176,.78)); filter: blur(1px); opacity: .7; }
.media-frame img { width: 100%; max-height: 520px; object-fit: contain; position: relative; z-index: 1; }
.prose-section { padding-top: 50px; }
.narrow-heading { margin-bottom: 24px; }
.prose-columns { columns: 2 420px; column-gap: 50px; }
.prose-columns p { margin: 0 0 20px; break-inside: avoid; color: var(--text); }
.soft-panel { width: min(var(--max), calc(100% - 48px)); padding: 56px; border-radius: 34px; background: linear-gradient(135deg, rgba(255,241,199,.9), rgba(233,255,248,.96)); border: 1px solid rgba(255,107,53,.16); }
.cards-grid { display: grid; gap: 22px; }
.three-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.info-card, .zone-card, .review-card, .channel-card, .about-card { background: #FFFFFF; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 22px; }
.info-card { padding: 28px; }
.info-card h3, .zone-card h3, .channel-card h3 { margin: 12px 0 10px; color: var(--title); font-size: 1.3rem; }
.info-card p, .zone-card p, .channel-card p { color: var(--muted); margin: 0; }
.number-badge { display: inline-flex; min-width: 40px; height: 30px; padding: 0 10px; align-items: center; justify-content: center; border-radius: 999px; background: var(--deep); color: var(--gold); font-weight: 900; font-size: .78rem; }
.split-section { display: grid; grid-template-columns: 1.16fr .84fr; gap: 32px; align-items: start; }
.split-copy, .safety-note { padding: 38px; border-radius: 28px; }
.split-copy { background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow); }
.safety-note { background: var(--deep); color: #FFF3E8; position: sticky; top: 102px; }
.safety-note h2 { color: #fff; }
.safety-note p { color: rgba(255,243,232,.8); }
.steps-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.steps-list li { display: grid; gap: 4px; padding: 16px 18px; border-radius: 16px; background: #FFF9F4; border: 1px solid var(--line); }
.steps-list strong { color: var(--title); }
.steps-list span { color: var(--muted); }
.inline-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.inline-links a { color: #fff; text-decoration: none; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; padding: 8px 12px; }
.review-card { margin: 0; padding: 28px; }
.review-card p { margin: 0 0 16px; color: var(--text); }
.review-card footer { color: var(--hint); font-size: .9rem; }
.faq-section { padding-top: 40px; }
.faq-list { display: grid; gap: 14px; }
.faq-list details { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 0 22px; box-shadow: 0 12px 26px rgba(97,45,16,.08); }
.faq-list summary { cursor: pointer; padding: 20px 36px 20px 0; color: var(--title); font-weight: 800; position: relative; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 0; top: 14px; font-size: 1.5rem; color: var(--brand); }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0 0 22px; color: var(--muted); }
.cta-band { margin-top: 20px; margin-bottom: 92px; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 42px; border-radius: 28px; background: linear-gradient(120deg, #2B1A3F, #5B2D70 56%, #B8336A); color: #fff; box-shadow: var(--shadow); }
.cta-band h2 { color: #fff; }
.cta-band p { margin: 0; color: rgba(255,255,255,.78); }
/* 首页 */
.home-hero { min-height: 700px; padding-top: 72px; }
.home-hero h1 { font-size: clamp(3.2rem, 8vw, 7.2rem); }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px; padding: 0; margin: 28px 0 0; list-style: none; }
.hero-points li { background: rgba(255,255,255,.72); border: 1px solid rgba(255,255,255,.9); color: var(--deep); border-radius: 999px; padding: 8px 14px; font-weight: 700; }
.highlight-strip { margin-top: -18px; display: grid; grid-template-columns: repeat(4, 1fr); background: var(--deep); border-radius: 24px; overflow: hidden; box-shadow: var(--shadow); }
.highlight-item { padding: 24px; color: #fff; border-right: 1px solid rgba(255,255,255,.12); }
.highlight-item:last-child { border-right: 0; }
.highlight-item h2 { margin: 0 0 6px; font-size: 1.05rem; color: var(--gold); }
.highlight-item p { margin: 0; color: rgba(255,255,255,.72); font-size: .9rem; line-height: 1.6; }
.channel-nav { padding: 52px 0 20px; }
.channel-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.channel-pill { display: block; min-height: 126px; padding: 18px; border-radius: 20px; background: #fff; border: 1px solid var(--line); text-decoration: none; box-shadow: 0 10px 24px rgba(97,45,16,.07); transition: transform .2s ease, background .2s ease; }
.channel-pill:hover { transform: translateY(-3px); background: var(--sky); }
.channel-pill strong { display: block; color: var(--title); margin-bottom: 6px; }
.channel-pill span { color: var(--muted); font-size: .86rem; line-height: 1.55; }
.feature-split { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: 42px; align-items: center; }
.feature-copy p { color: var(--muted); }
.feature-links { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 22px; }
.text-link { color: var(--brand); text-decoration: none; font-weight: 800; }
.zone-card { overflow: hidden; }
.zone-card img { width: 100%; aspect-ratio: 16/10; object-fit: contain; background: linear-gradient(135deg,#F9EBFF,#E9FFF8); padding: 16px; }
.zone-card-body { padding: 26px; }
.zone-card ul { margin: 14px 0 0; padding-left: 20px; color: var(--muted); }
.zone-card .text-link { display: inline-block; margin-top: 16px; }
.triple-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.security-panel { background: linear-gradient(135deg, #24130C, #2B1A3F); color: #fff; border-radius: 36px; padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.security-panel .section-heading h2, .security-panel h3 { color: #fff; }
.security-panel .section-heading p, .security-panel p { color: rgba(255,255,255,.74); }
.security-card { display: grid; grid-template-columns: 170px 1fr; gap: 22px; align-items: center; padding: 22px; border-radius: 22px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); }
.security-card img { width: 100%; max-height: 150px; object-fit: contain; }
.responsible-band { border-radius: 28px; background: var(--cream); border: 1px solid rgba(255,107,53,.2); padding: 38px; display: flex; gap: 28px; align-items: center; }
.responsible-band strong { color: var(--rose); font-size: 1.35rem; }
.responsible-band p { margin: 0; color: var(--muted); }
.about-card { display: grid; grid-template-columns: 330px 1fr; overflow: hidden; }
.about-card img { width: 100%; height: 100%; min-height: 320px; object-fit: contain; background: #F9EBFF; padding: 20px; }
.about-card-content { padding: 42px; }
.about-card-content p { color: var(--muted); }
.site-footer { background: #1A0F0A; color: #FFF3E8; padding: 70px 24px 24px; }
.footer-inner { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: 1.15fr 2fr; gap: 60px; }
.footer-brand p { max-width: 420px; color: rgba(255,243,232,.68); }
.footer-links { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 24px; }
.footer-links h2 { font-size: 1rem; color: var(--gold); margin: 0 0 14px; }
.footer-links a { display: block; text-decoration: none; color: rgba(255,243,232,.74); margin: 8px 0; font-size: .92rem; }
.footer-links a:hover { color: #fff; }
.footer-bottom { max-width: var(--max); margin: 42px auto 0; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.1); color: rgba(255,243,232,.56); font-size: .88rem; }
.mobile-bottom-nav { display: none; }
@media (max-width: 1060px) {
  .nav-core { display: none; }
  .page-hero { grid-template-columns: 1fr 420px; gap: 34px; }
  .channel-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .three-grid, .triple-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .highlight-strip { grid-template-columns: repeat(2, 1fr); }
  .highlight-item:nth-child(2) { border-right: 0; }
  .highlight-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.12); }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 780px) {
  body { padding-bottom: 76px; }
  .header-inner { min-height: 64px; padding: 0 14px; display: grid; grid-template-columns: 44px 1fr auto; gap: 10px; }
  .mobile-menu-toggle { display: inline-flex; }
  .desktop-menu-toggle { display: none; }
  .site-logo { justify-self: center; }
  .site-logo img { max-width: 96px; max-height: 36px; }
  .site-logo span { display: none; }
  .header-cta { min-height: 40px; padding: 0 14px; font-size: .86rem; }
  .section-shell { width: min(100% - 28px, var(--max)); }
  .content-section { padding: 60px 0; }
  .page-hero { grid-template-columns: 1fr; padding: 58px 0 46px; gap: 28px; }
  .page-hero::before { inset: 14px -8px 0; border-radius: 28px; }
  .page-hero h1 { font-size: clamp(2.6rem, 15vw, 4.5rem); }
  .page-hero-media { order: -1; }
  .home-hero .page-hero-media { order: 0; }
  .prose-columns { columns: 1; }
  .soft-panel { width: min(100% - 28px, var(--max)); padding: 30px 18px; }
  .three-grid, .two-grid, .triple-grid, .split-section, .feature-split, .security-panel { grid-template-columns: 1fr; }
  .safety-note { position: static; }
  .channel-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .highlight-strip { grid-template-columns: 1fr; }
  .highlight-item, .highlight-item:nth-child(2) { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); }
  .highlight-item:last-child { border-bottom: 0; }
  .security-panel { padding: 28px 18px; }
  .security-card { grid-template-columns: 110px 1fr; }
  .responsible-band { flex-direction: column; align-items: flex-start; padding: 28px; }
  .about-card { grid-template-columns: 1fr; }
  .about-card img { min-height: 240px; }
  .about-card-content { padding: 30px 22px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 30px 22px; margin-bottom: 70px; }
  .footer-links { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .mobile-bottom-nav { position: fixed; z-index: 9998; left: 10px; right: 10px; bottom: max(8px, env(safe-area-inset-bottom)); height: 62px; display: grid; grid-template-columns: repeat(4,1fr); align-items: center; border-radius: 20px; background: rgba(36,19,12,.94); backdrop-filter: blur(12px); box-shadow: 0 16px 40px rgba(36,19,12,.28); }
  .mobile-bottom-nav a { color: #FFF3E8; text-decoration: none; text-align: center; font-size: .74rem; line-height: 1.15; }
  .mobile-bottom-nav span { display: block; color: var(--neon); font-size: 1.1rem; margin-bottom: 3px; }
}
@media (max-width: 480px) {
  .channel-grid { grid-template-columns: 1fr; }
  .drawer-nav { grid-template-columns: 1fr; }
  .security-card { grid-template-columns: 1fr; }
  .security-card img { max-height: 180px; }
  .footer-links { grid-template-columns: 1fr 1fr; gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}