*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#FFF8FB;color:#51444B;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}
a{color:#D94A82;text-decoration:none}
a:hover{color:#6150AD}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(137,115,230,.36);outline-offset:3px}
img{max-width:100%;height:auto;display:block}
button{font:inherit}
.wrap{width:min(1240px,calc(100% - 40px));margin:0 auto}
.site-header{position:fixed;inset:0 0 auto 0;z-index:100;background:rgba(255,248,251,.97);box-shadow:0 10px 28px rgba(70,42,57,.06);backdrop-filter:blur(12px)}
.brand-toolbar{height:38px;border-bottom:1px solid rgba(255,95,159,.12);background:#FFF0F5}
.toolbar-inner{height:38px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand-inline{display:flex;align-items:center;gap:12px;color:#33262D;min-width:0}
.brand-name{font-weight:800;letter-spacing:.02em}
.brand-slogan{font-size:13px;color:#7C6C75}
.toolbar-links{display:flex;align-items:center;gap:18px}
.toolbar-links a{font-size:13px;color:#7C6C75}
.main-nav{height:68px;background:#fff;border-bottom:1px solid rgba(255,95,159,.12)}
.nav-inner{height:68px;display:flex;align-items:center;gap:20px;min-width:0}
.menu-toggle,.menu-close{border:0;background:#FFF0F5;color:#51444B;border-radius:14px;min-height:44px;padding:0 14px;display:inline-flex;align-items:center;gap:9px;cursor:pointer;white-space:nowrap}
.menu-lines,.menu-lines::before,.menu-lines::after{display:block;width:17px;height:2px;background:#D94A82;border-radius:99px;content:"";position:relative;pointer-events:none}
.menu-lines::before{position:absolute;top:-5px;left:0}
.menu-lines::after{position:absolute;top:5px;left:0}
.nav-logo{flex:0 0 auto;min-width:98px;height:44px;display:flex;align-items:center;justify-content:center;color:#33262D;font-weight:900;font-size:19px}
.nav-logo img{max-height:36px;max-width:118px;object-fit:contain}
.primary-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.primary-links a{min-height:44px;padding:0 12px;display:flex;align-items:center;justify-content:center;white-space:nowrap;color:#51444B;border-radius:12px}
.primary-links a.is-active{background:#FFF0F5;color:#D94A82;font-weight:700}
.nav-action,.btn-primary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 20px;border-radius:14px;color:#fff;background:linear-gradient(135deg,#FF92AA 0%,#FF5F9F 52%,#8973E6 100%);font-weight:700;white-space:nowrap;box-shadow:0 12px 28px rgba(217,74,130,.13)}
.nav-action:hover,.btn-primary:hover{color:#fff;filter:saturate(.94)}
.btn-secondary{min-height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border:1px solid rgba(255,95,159,.2);border-radius:14px;background:#fff;color:#D94A82;font-weight:700;white-space:nowrap}
main{padding-top:106px}
.hero{padding:72px 0 34px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:56px;align-items:center}
.eyebrow{font-size:14px;font-weight:800;letter-spacing:.12em;color:#D94A82;margin:0 0 12px}
.hero h1,.page-hero h1{margin:0;color:#33262D;line-height:1.16;letter-spacing:-.035em;font-size:clamp(38px,5vw,68px)}
.hero-copy{font-size:18px;color:#62535B;max-width:720px;margin:24px 0}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-stage{position:relative;min-height:500px;border-radius:28px;background:radial-gradient(circle at 20% 10%,#fff 0 18%,transparent 19%),linear-gradient(145deg,#FFF0F5,#F6F2FF);box-shadow:0 20px 48px rgba(217,74,130,.15);overflow:hidden;padding:24px}
.hero-media{height:100%;min-height:452px;border-radius:24px;display:flex;align-items:flex-end;justify-content:center;background:linear-gradient(160deg,#fff 0 33%,#FFE7F0 34% 67%,#EEE8FF 68%);position:relative;overflow:hidden}
.hero-media img{width:100%;height:100%;object-fit:cover}
.phone-art{width:52%;max-width:270px;aspect-ratio:9/18.5;border:9px solid #33262D;border-radius:34px;background:#fff;box-shadow:0 24px 50px rgba(70,42,57,.18);padding:18px;display:flex;flex-direction:column;gap:14px;transform:rotate(3deg)}
.phone-art::before{content:"糖心Vlog";display:flex;align-items:center;justify-content:center;color:#D94A82;font-weight:800;height:34px;border-radius:10px;background:#FFF0F5}
.phone-card{flex:1;border-radius:18px;background:linear-gradient(145deg,#FFF0F5,#F6F2FF)}
.float-notes{position:absolute;inset:auto 18px 18px 18px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.float-note{background:rgba(255,255,255,.94);border:1px solid rgba(255,95,159,.14);border-radius:18px;padding:14px;box-shadow:0 14px 36px rgba(70,42,57,.08)}
.float-note strong{display:block;color:#33262D;margin-bottom:4px}
.float-note span{display:block;font-size:13px;color:#7C6C75;line-height:1.55}
.section{padding:62px 0}
.section.soft{background:#FFF0F5}
.section.purple{background:#F6F2FF}
.section.gray{background:#F8F6F7}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:26px}
.section-head h2{font-size:clamp(28px,3.4vw,44px);line-height:1.18;color:#33262D;margin:0}
.section-head p{max-width:670px;margin:0;color:#7C6C75}
.kicker{display:block;font-size:13px;font-weight:800;letter-spacing:.11em;color:#D94A82;margin-bottom:9px}
.index-grid,.card-grid,.topic-grid,.review-grid{display:grid;gap:18px}
.index-grid{grid-template-columns:repeat(7,1fr)}
.index-item,.card,.topic-card,.review-card,.info-panel,.faq-box,.step-card,.notice-card{background:#fff;border:1px solid rgba(255,95,159,.16);border-radius:22px;box-shadow:0 14px 36px rgba(70,42,57,.06)}
.index-item{padding:20px;min-height:188px;display:flex;flex-direction:column}
.index-item h3,.card h3,.topic-card h3,.step-card h3,.info-panel h3{color:#33262D;margin:0 0 9px}
.index-item p,.card p,.topic-card p,.review-card p,.step-card p,.notice-card p{margin:0 0 12px}
.index-item a{margin-top:auto;font-weight:700}
.timeline{position:relative;display:grid;gap:18px;padding-left:32px}
.timeline::before{content:"";position:absolute;left:10px;top:8px;bottom:8px;width:2px;background:linear-gradient(#FF92AA,#8973E6);pointer-events:none}
.timeline-item{position:relative;background:#fff;border:1px solid rgba(255,95,159,.15);border-radius:24px;padding:24px}
.timeline-item::before{content:"";position:absolute;left:-29px;top:29px;width:14px;height:14px;border-radius:50%;background:#FF5F9F;box-shadow:0 0 0 5px #FFF0F5;pointer-events:none}
.timeline-item h3{margin:2px 0 8px;color:#33262D;font-size:22px}
.time-label{font-size:13px;font-weight:800;color:#8973E6}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.tag{display:inline-flex;align-items:center;min-height:32px;padding:0 11px;border-radius:999px;background:#F6F2FF;color:#6150AD;font-size:13px}
.card-grid.three{grid-template-columns:repeat(3,1fr)}
.card-grid.four{grid-template-columns:repeat(4,1fr)}
.card{padding:24px}
.card.tint{background:#FFF9FB}
.card .text-link{font-weight:700}
.tag-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.tag-wall span{padding:12px 18px;border-radius:999px;background:#fff;border:1px solid rgba(255,95,159,.18);color:#D94A82;font-weight:700}
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.info-panel{padding:28px}
.info-panel ul{margin:14px 0 0;padding-left:20px}
.topic-grid{grid-template-columns:repeat(5,1fr)}
.topic-card{padding:22px}
.review-grid{grid-template-columns:repeat(3,1fr)}
.review-card{padding:22px}
.faq-list{display:grid;gap:12px}
.faq-list details,.faq-box{background:#fff;border:1px solid rgba(255,95,159,.15);border-radius:18px;padding:0 20px}
.faq-list summary{cursor:pointer;color:#33262D;font-weight:800;min-height:58px;display:flex;align-items:center}
.faq-list details p{margin:0 0 20px;color:#62535B}
.brand-story{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:center}
.story-art{min-height:320px;border-radius:28px;background:linear-gradient(145deg,#FFF0F5,#F6F2FF);display:grid;place-items:center}
.story-mark{font-size:46px;font-weight:900;color:#D94A82;letter-spacing:-.04em}
.page-hero{padding:60px 0 34px}
.page-hero .intro{max-width:850px;font-size:18px;color:#62535B;margin:20px 0 0}
.breadcrumbs{font-size:14px;color:#A09199;margin-bottom:12px}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:28px;align-items:start}
.prose{display:grid;gap:18px}
.prose article{background:#fff;border:1px solid rgba(255,95,159,.14);border-radius:24px;padding:28px}
.prose article h2{margin:0 0 12px;color:#33262D;font-size:28px}
.prose article h3{color:#33262D}
.prose article p:last-child{margin-bottom:0}
.side-stack{display:grid;gap:16px;position:sticky;top:126px}
.notice-card{padding:22px;background:#F6F2FF}
.notice-card h2{font-size:20px;margin:0 0 8px;color:#33262D}
.link-list{display:grid;gap:8px}
.link-list a{min-height:42px;display:flex;align-items:center;border-bottom:1px solid rgba(255,95,159,.1)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.step-card{padding:22px;position:relative}
.step-card::before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#FFF0F5;color:#D94A82;font-weight:900;margin-bottom:12px}
.service-end{margin-top:26px;padding:24px;border-radius:22px;background:#30242B;color:#FFEAF2}
.service-end h2{color:#fff;margin-top:0}
.service-end a{color:#FFD4E4;font-weight:800}
.app-feature{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;align-items:center}
.app-art{min-height:430px;border-radius:28px;background:linear-gradient(145deg,#FFF0F5,#F6F2FF);display:grid;place-items:center}
.quick-rail{position:fixed;right:12px;top:50%;transform:translateY(-50%);z-index:55;display:grid;gap:8px;padding:10px;background:#fff;border:1px solid rgba(255,95,159,.14);border-radius:18px;box-shadow:0 14px 36px rgba(70,42,57,.08)}
.quick-rail a{min-width:92px;min-height:40px;padding:8px 10px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:13px;color:#7C6C75}
.quick-rail a.is-active{background:#FFF0F5;color:#D94A82;font-weight:800}
.site-footer{background:#30242B;color:#FFEAF2;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(4,1fr);gap:32px}
.footer-grid h2{font-size:15px;color:#fff;margin:0 0 12px}
.footer-grid a{display:block;min-height:34px;color:#FFEAF2;font-size:14px}
.footer-brand p{color:#D9C5CE;max-width:320px}
.footer-logo{display:inline-flex;min-height:44px;align-items:center;color:#fff!important;font-weight:900;font-size:22px}
.footer-logo img{max-height:38px;max-width:130px;object-fit:contain}
.footer-note{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;gap:24px;color:#CDB8C1;font-size:13px}
.mobile-bottom-nav{display:none}
.menu-overlay{position:fixed;inset:0;background:rgba(48,36,43,.36);z-index:150;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s ease,visibility .22s ease}
.channel-menu{position:fixed;z-index:160;inset:0 auto 0 0;width:min(460px,88vw);background:#fff;transform:translateX(-102%);visibility:hidden;transition:transform .24s ease,visibility .24s ease;box-shadow:20px 0 50px rgba(70,42,57,.15);overflow-y:auto}
.menu-open{overflow:hidden}
.menu-open .menu-overlay{opacity:1;visibility:visible;pointer-events:auto}
.menu-open .channel-menu{transform:translateX(0);visibility:visible}
.channel-head{position:sticky;top:0;z-index:2;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;border-bottom:1px solid rgba(255,95,159,.12)}
.channel-brand{min-height:44px;display:flex;align-items:center;color:#33262D;font-size:22px}
.channel-brand img{max-height:38px;max-width:132px;object-fit:contain}
.channel-groups{padding:18px 22px 36px;display:grid;gap:24px}
.channel-groups section{display:grid;gap:8px}
.channel-groups h2{font-size:13px;color:#A09199;letter-spacing:.1em;margin:0 0 2px}
.channel-groups a{padding:13px 14px;border-radius:15px;background:#FFF9FB;color:#51444B}
.channel-groups a:hover{background:#FFF0F5}
.channel-groups strong,.channel-groups span{display:block}
.channel-groups strong{color:#33262D;margin-bottom:3px}
.channel-groups span{font-size:13px;color:#7C6C75;line-height:1.55}
.table-like{display:grid;gap:10px}
.table-row{display:grid;grid-template-columns:150px 1fr;gap:18px;padding:16px 0;border-bottom:1px solid rgba(255,95,159,.12)}
.table-row strong{color:#33262D}
.inline-links{display:flex;flex-wrap:wrap;gap:10px}
.inline-links a{min-height:40px;display:inline-flex;align-items:center;padding:0 14px;border-radius:12px;background:#fff;border:1px solid rgba(255,95,159,.15)}
@media (max-width:1380px){.quick-rail{display:none}}
@media (max-width:1040px){
  .wrap{width:min(100% - 32px,1240px)}
  .brand-toolbar{display:none}
  .site-header,.main-nav,.nav-inner{height:64px}
  .primary-links{display:none}
  .nav-inner{justify-content:space-between;gap:12px}
  .menu-toggle{font-size:0;padding:0 14px}
  .menu-toggle .menu-lines{margin:0}
  .nav-logo{position:absolute;left:50%;transform:translateX(-50%);min-width:120px}
  .nav-action{padding:0 14px}
  main{padding-top:64px}
  .hero-grid,.brand-story,.app-feature{grid-template-columns:1fr}
  .hero-stage{min-height:430px}
  .index-grid{grid-template-columns:repeat(3,1fr)}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid.four{grid-template-columns:repeat(2,1fr)}
  .content-grid{grid-template-columns:1fr}
  .side-stack{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(3,1fr)}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:700px){
  .wrap{width:calc(100% - 32px)}
  .nav-logo{font-size:17px;min-width:108px}
  .nav-action{min-height:42px;padding:0 12px;font-size:14px;border-radius:12px}
  .hero{padding:44px 0 24px}
  .hero h1,.page-hero h1{font-size:clamp(36px,12vw,52px)}
  .hero-copy,.page-hero .intro{font-size:16px}
  .hero-stage{min-height:410px;padding:16px}
  .hero-media{min-height:378px}
  .phone-art{width:62%;max-width:230px}
  .float-notes{position:relative;inset:auto;margin-top:14px;grid-template-columns:1fr;overflow:visible}
  .hero-stage{overflow:visible}
  .hero-media{height:340px;min-height:340px}
  .section{padding:44px 0}
  .section-head{display:block}
  .section-head p{margin-top:10px}
  .index-grid,.card-grid.three,.card-grid.four,.topic-grid,.review-grid,.split,.steps{grid-template-columns:1fr}
  .index-item{min-height:0}
  .timeline{padding-left:26px}
  .timeline-item{padding:20px}
  .table-row{grid-template-columns:1fr;gap:5px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .footer-note{display:block;padding-bottom:74px}
  .site-footer{padding-bottom:18px}
  .mobile-bottom-nav{position:fixed;z-index:90;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));height:62px;background:rgba(255,255,255,.97);border:1px solid rgba(255,95,159,.16);border-radius:19px;box-shadow:0 14px 36px rgba(70,42,57,.14);display:grid;grid-template-columns:repeat(5,1fr);overflow:hidden}
  .mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;min-height:52px;color:#7C6C75;font-size:13px}
  .mobile-bottom-nav a.is-active{color:#D94A82;background:#FFF0F5;font-weight:800}
  body{padding-bottom:82px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}