/* roulang page: index */
:root{
  --brand:#2450F0;
  --brand-dark:#1637C9;
  --brand-light:#EDF1FF;
  --orange:#FF6A3D;
  --orange-dark:#E2542A;
  --cyan:#12B5A5;
  --cyan-light:#E6F7F5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#0D1424;
  --muted:#46536B;
  --soft:#8A94A6;
  --placeholder:#B4BCCC;
  --line:#E4E9F2;
  --line-soft:#EEF1F7;
  --ink:#0B1220;
  --shadow:0 2px 4px rgba(13,20,36,.04),0 12px 28px rgba(13,20,36,.06);
  --shadow-hover:0 18px 40px rgba(13,20,36,.10);
  --radius:16px;
  --radius-lg:24px;
  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--muted);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--text);font-weight:700;}
p{margin:0;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
}

/* ---------- 通用排版 ---------- */
.section{padding:88px 0;}
.section-tight{padding:72px 0;}
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.12em;
  color:var(--cyan);text-transform:uppercase;
}
.sec-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--cyan);}
.sec-head h2{
  font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;
  margin:14px 0 10px;letter-spacing:-.01em;
}
.sec-head p{font-size:16px;color:var(--muted);max-width:640px;}
.sec-head.center p{margin-left:auto;margin-right:auto;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.sec-head-row .sec-head{margin-bottom:0;}
.more-link{font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.more-link i{font-size:12px;transition:transform .2s var(--ease);}
.more-link:hover i{transform:translateX(3px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(36,80,240,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9D4F8;}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.24);}
.btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.button,.button.primary{background-color:var(--brand);border-radius:var(--pill);font-family:inherit;}
.button:hover,.button.primary:hover{background-color:var(--brand-dark);}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:5px;
  height:24px;padding:0 10px;border-radius:var(--pill);
  font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
}
.tag-cyan{background:var(--cyan-light);color:#0E9184;}
.tag-orange{background:#FFEDE7;color:#C64018;}
.tag-blue{background:var(--brand-light);color:var(--brand-dark);}
.tag-gray{background:#F1F3F8;color:var(--soft);}

/* ---------- 顶部胶囊导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:padding .25s var(--ease);}
.site-header.scrolled{padding:8px 0;}
.nav-wrap{max-width:1248px;margin:0 auto;padding:0 24px;position:relative;}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 10px 0 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--pill);
  box-shadow:0 6px 24px rgba(13,20,36,.06);
  transition:height .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.scrolled .nav-shell{height:56px;box-shadow:0 10px 30px rgba(13,20,36,.10);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand) 0%,#4A76FF 100%);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:-.02em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:16px;font-weight:800;color:var(--text);letter-spacing:-.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--pill);
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;bottom:4px;left:50%;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{height:44px;padding:0 22px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  border-radius:var(--pill);flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-panel{
  display:none;position:absolute;left:24px;right:24px;top:calc(100% + 10px);
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-hover);padding:14px;
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  font-size:16px;font-weight:500;color:var(--text);
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--brand-light);color:var(--brand-dark);}
.mobile-panel .btn{width:100%;margin-top:10px;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:160px 0 88px;background:#fff;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center center/cover no-repeat;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 40%,rgba(237,241,255,.80) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-label{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--pill);
  background:var(--brand-light);color:var(--brand-dark);
  font-size:13px;font-weight:600;
}
.hero h1{
  font-size:clamp(30px,4.2vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;margin:20px 0 18px;max-width:12em;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--muted);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-list{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;}
.trust-list li{
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:600;color:var(--text);
}
.trust-list li i{
  width:22px;height:22px;border-radius:50%;
  background:var(--cyan-light);color:var(--cyan);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;
}
.hero-visual{display:flex;justify-content:flex-end;}
.hero-card{
  position:relative;width:320px;max-width:100%;
  aspect-ratio:9/16;border-radius:var(--radius-lg);
  overflow:hidden;background:linear-gradient(160deg,#DFE7FF,#F2F5FF);
  box-shadow:var(--shadow);border:1px solid rgba(255,255,255,.7);
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,20,36,0) 42%,rgba(13,20,36,.72) 100%);
}
.hero-card .chip-duration{
  position:absolute;top:16px;left:16px;z-index:3;
  height:26px;padding:0 12px;border-radius:var(--pill);
  background:rgba(13,20,36,.62);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.hero-card .play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:62px;height:62px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:0 12px 30px rgba(13,20,36,.24);
}
.hero-card .caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;color:#fff;
}
.hero-card .caption strong{display:block;font-size:16px;font-weight:700;line-height:1.5;}
.hero-card .caption span{display:block;font-size:13px;color:rgba(255,255,255,.82);margin-top:4px;}
.hero-stats{
  position:relative;z-index:2;margin-top:64px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding-top:32px;border-top:1px dashed var(--line);
}
.hero-stats div strong{
  display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;
  color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.hero-stats div span{font-size:14px;color:var(--soft);}

/* ---------- 横滑片段 ---------- */
.reel-wrap{position:relative;}
.reel{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 22px;scrollbar-width:none;-ms-overflow-style:none;
}
.reel::-webkit-scrollbar{display:none;}
.reel-card{
  flex:0 0 220px;scroll-snap-align:start;position:relative;
  aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  background:linear-gradient(160deg,#E3E9FA,#F3F6FF);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.reel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.reel-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.reel-card:hover img{transform:scale(1.04);}
.reel-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,20,36,.06) 0%,rgba(13,20,36,0) 34%,rgba(13,20,36,.78) 100%);
}
.reel-card .reel-time{
  position:absolute;left:12px;top:12px;z-index:3;
  height:24px;padding:0 10px;border-radius:var(--pill);
  background:rgba(13,20,36,.62);color:#fff;font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.reel-card .reel-cat{position:absolute;right:12px;top:12px;z-index:3;}
.reel-card .reel-title{
  position:absolute;left:14px;right:14px;bottom:16px;z-index:3;
  color:#fff;font-size:15px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 精选清单 ---------- */
.pick-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.pick-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pick-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8E0F5;}
.pick-thumb{
  flex:0 0 88px;width:88px;aspect-ratio:1/1;border-radius:14px;overflow:hidden;
  background:linear-gradient(150deg,#E4EAFA,#F4F7FF);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-body{flex:1 1 auto;min-width:0;}
.pick-no{
  font-size:12px;font-weight:800;color:var(--cyan);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.pick-body h3{
  font-size:17px;font-weight:700;line-height:1.45;margin:6px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-body p{
  font-size:14px;color:var(--soft);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-foot{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap;}
.pick-foot .link-more{font-size:14px;font-weight:600;margin-left:auto;}

/* ---------- 最新发布 / CMS ---------- */
.cms-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:24px;align-items:start;}
.cms-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.cms-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.cms-main .cms-main-cover{
  aspect-ratio:16/9;background:linear-gradient(150deg,#E4EAFA,#F4F7FF);overflow:hidden;
}
.cms-main .cms-main-cover img{width:100%;height:100%;object-fit:cover;}
.cms-main .cms-main-body{padding:22px 24px 24px;}
.cms-main h3{
  font-size:20px;font-weight:700;line-height:1.45;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-main p{
  font-size:15px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--soft);font-variant-numeric:tabular-nums;}
.cms-side{display:flex;flex-direction:column;gap:16px;}
.cms-item{
  display:flex;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.cms-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D8E0F5;}
.cms-thumb{
  flex:0 0 72px;width:72px;aspect-ratio:1/1;border-radius:12px;overflow:hidden;
  background:linear-gradient(150deg,#E4EAFA,#F4F7FF);
}
.cms-thumb img{width:100%;height:100%;object-fit:cover;}
.cms-item-body{min-width:0;flex:1 1 auto;}
.cms-item-body h3{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-item .cms-meta{margin-top:8px;gap:10px;}
.empty-state{
  grid-column:1/-1;
  background:var(--brand-light);border:1px dashed #C6D2F7;border-radius:var(--radius);
  padding:44px 24px;text-align:center;
}
.empty-state i{font-size:24px;color:var(--brand);opacity:.7;}
.empty-state p{margin:12px 0 18px;font-size:15px;color:var(--muted);}

/* ---------- 口碑 ---------- */
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:4px 2px 20px;scrollbar-width:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar-dot{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:linear-gradient(140deg,#D9E2FF,#EEF2FF);
  color:var(--brand-dark);font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.review-top strong{display:block;font-size:15px;color:var(--text);font-weight:600;}
.review-top span{display:block;font-size:13px;color:var(--soft);}
.stars{display:flex;gap:3px;color:var(--orange);font-size:12px;margin:14px 0 10px;}
.review-card p{
  font-size:15px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion{
  background:transparent;border:0;margin:0;
}
.accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:16px;box-shadow:var(--shadow);overflow:hidden;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.accordion .accordion-item:hover{border-color:#D8E0F5;}
.accordion .accordion-title{
  position:relative;display:block;
  padding:20px 56px 20px 24px;border:0;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
  background:transparent;transition:color .2s var(--ease);
}
.accordion .accordion-title:hover{background:transparent;color:var(--brand);}
.accordion .accordion-title::before{
  content:"";position:absolute;right:26px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--soft);border-bottom:2px solid var(--soft);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease),border-color .2s var(--ease);
}
.accordion .accordion-item.is-active > .accordion-title::before{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);
}
.accordion .accordion-content{
  padding:0 24px 22px;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--muted);
}
.accordion .accordion-content p{font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 订阅 / CTA ---------- */
.cta-panel{
  background:linear-gradient(120deg,#EDF1FF 0%,#F5F8FF 55%,#EAF6F4 100%);
  border:1px solid #DDE5FB;border-radius:var(--radius-lg);
  padding:48px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);
  gap:44px;align-items:center;
}
.cta-panel h2{font-size:clamp(24px,3vw,30px);line-height:1.3;margin:14px 0 14px;}
.cta-panel .cta-lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:32em;}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text);}
.cta-points li i{color:var(--cyan);font-size:12px;margin-top:7px;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.form-card .field{margin-bottom:16px;}
.form-card label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-card input,.form-card textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  background:#FBFCFE;color:var(--text);padding:0 14px;height:48px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.form-card textarea{height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-card input::placeholder,.form-card textarea::placeholder{color:var(--placeholder);}
.form-card input:focus,.form-card textarea:focus{
  outline:0;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(36,80,240,.12);
}
.form-actions{display:flex;gap:12px;margin-top:6px;}
.form-actions .btn{flex:1 1 auto;}
.form-note{font-size:13px;color:var(--soft);margin-top:14px;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9B4C6;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:linear-gradient(135deg,#3A64FF,#6B8CFF);}
.footer-brand p{font-size:14px;line-height:1.85;color:#8994A8;margin-top:18px;max-width:28em;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#A9B4C6;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col p{font-size:14px;line-height:1.9;color:#8994A8;}
.footer-col .footer-chip{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--pill);
  font-size:13px;color:#C8D2E2;margin-top:6px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7B8698;
}

/* ---------- 悬浮转化条 ---------- */
.buybar{
  position:fixed;right:24px;bottom:24px;z-index:900;width:280px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow-hover);padding:18px;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.buybar.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none;}
.buybar .buybar-text strong{display:block;font-size:15px;font-weight:700;color:var(--text);}
.buybar .buybar-text span{display:block;font-size:13px;color:var(--soft);margin-top:4px;line-height:1.6;}
.buybar .buybar-actions{display:flex;gap:10px;margin-top:14px;}
.buybar .buybar-actions .btn{flex:1 1 auto;}
.buybar-close{
  position:absolute;top:10px;right:12px;width:26px;height:26px;
  border:0;background:transparent;color:var(--placeholder);font-size:15px;line-height:1;
  border-radius:50%;
}
.buybar-close:hover{color:var(--muted);background:var(--line-soft);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section-tight{padding:56px 0;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:132px 0 64px;}
  .hero h1{max-width:none;}
  .hero-visual{justify-content:center;margin-top:44px;}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;}
  .cms-layout{grid-template-columns:1fr;}
  .pick-list{grid-template-columns:1fr;}
  .cta-panel{grid-template-columns:1fr;padding:36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  .sec-head-row{margin-bottom:28px;}
  .site-header{padding:12px 0;}
  .nav-wrap{padding:0 20px;}
  .nav-shell{height:58px;padding:0 8px 0 14px;gap:12px;}
  .site-header.scrolled .nav-shell{height:54px;}
  .brand-text{font-size:15px;}
  .hero{padding:112px 0 56px;}
  .hero h1{margin:16px 0 14px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-card{width:78vw;max-width:320px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:16px;padding-top:24px;margin-top:40px;}
  .hero-stats div:nth-child(3){grid-column:1/-1;}
  .reel-card{flex:0 0 180px;}
  .pick-item{flex-direction:row;gap:14px;padding:14px;}
  .pick-thumb{flex:0 0 72px;width:72px;}
  .cms-item{padding:12px;gap:12px;}
  .cms-thumb{flex:0 0 60px;width:60px;}
  .review-card{flex:0 0 264px;padding:18px;}
  .accordion .accordion-title{padding:16px 48px 16px 18px;font-size:16px;}
  .accordion .accordion-title::before{right:20px;}
  .accordion .accordion-content{padding:0 18px 18px;}
  .cta-panel{padding:26px 20px;border-radius:20px;}
  .form-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  body{padding-bottom:76px;}
  .buybar{
    left:0;right:0;bottom:0;width:auto;border-radius:16px 16px 0 0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    display:flex;align-items:center;gap:14px;
  }
  .buybar .buybar-text{flex:1 1 auto;min-width:0;}
  .buybar .buybar-text span{display:none;}
  .buybar .buybar-text strong{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .buybar .buybar-actions{margin-top:0;flex:0 0 auto;}
  .buybar .buybar-actions .btn{height:40px;padding:0 18px;font-size:14px;}
  .buybar-close{display:none;}
}
@media (min-width:1024px){
  .reel-wrap::after{
    content:"";position:absolute;top:0;right:0;bottom:22px;width:64px;
    background:linear-gradient(90deg,rgba(245,247,251,0),var(--bg));
    pointer-events:none;
  }
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand:#2450F0;
  --brand-dark:#1637C9;
  --brand-soft:#EDF1FF;
  --orange:#FF6A3D;
  --orange-dark:#E2542A;
  --orange-soft:#FFEDE6;
  --teal:#12B5A5;
  --teal-soft:#E3F7F5;
  --teal-deep:#0A8377;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --text:#0D1424;
  --body:#46536B;
  --muted:#8A94A6;
  --placeholder:#B4BCCC;
  --line:#E4E9F2;
  --line-soft:#EEF1F7;
  --footer-bg:#0B1220;
  --r-card:16px;
  --r-lg:24px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(13,20,36,.04), 0 12px 28px rgba(13,20,36,.06);
  --sh-2:0 18px 40px rgba(13,20,36,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --gap:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
::selection{background:var(--brand);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}
.button,.button.primary,.button.secondary{background:var(--brand);color:#fff;border-radius:var(--r-pill);}
.callout{background:var(--brand-soft);border:1px solid var(--line);border-radius:var(--r-card);color:var(--body);}
.accordion{border:0;background:transparent;}
.accordion-title{border:0;background:transparent;color:var(--text);}
.accordion-content{border:0;background:transparent;color:var(--body);}
a:not(.btn):not(.brand):not(.nav-link){color:var(--brand);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  padding-top:16px;
  transition:padding-top .25s var(--ease);
}
.site-header.is-compact{padding-top:8px;}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:64px;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height .25s var(--ease);
}
.site-header.is-compact .nav-shell{height:56px;}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  color:var(--text);
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--brand);
  color:#fff;
  display:grid;place-items:center;
  font-size:13px;font-weight:800;letter-spacing:.02em;
}
.brand-text{font-size:17px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;
  padding:0 14px;
  font-size:15.5px;
  font-weight:500;
  color:var(--body);
  border-radius:var(--r-pill);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;
  transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  cursor:pointer;
  align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
.nav-mobile{
  display:none;
  margin-top:10px;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-2);
}
.nav-mobile.is-open{display:block;}
.nav-mobile a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-input);
  color:var(--text);
  font-size:15.5px;
  font-weight:500;
}
.nav-mobile a:hover{background:var(--brand-soft);color:var(--brand);}
.nav-mobile .btn{margin-top:10px;width:100%;color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px);}
.btn-orange{background:var(--orange);color:#fff;}
.btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--body);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
  white-space:nowrap;
}
.tag-teal{background:var(--teal-soft);color:var(--teal-deep);}
.tag-orange{background:var(--orange-soft);color:var(--orange-dark);}
.tag-blue{background:var(--brand-soft);color:var(--brand);}
.sec-label{
  display:inline-block;
  margin-bottom:14px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--teal-soft);
  color:var(--teal-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}

/* ---------- 文章头部横幅 ---------- */
.article-hero{
  position:relative;
  padding:128px 0 46px;
  background-image:linear-gradient(180deg,rgba(255,255,255,.95) 0%,rgba(237,241,255,.93) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:20px;
  font-size:14px;
  color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--placeholder);}
.breadcrumb .current{color:var(--brand);font-weight:600;}
.article-hero .tag{margin-bottom:16px;}
.article-hero h1{
  max-width:880px;
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 24px;
  margin-top:22px;
  font-size:14px;
  color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.article-meta i{color:var(--teal);}

/* ---------- 正文 ---------- */
.article-body{padding:56px 0 0;}
.article-wrap{max-width:760px;margin:0 auto;}
.article-cover{
  margin-bottom:40px;
  border-radius:var(--r-card);
  overflow:hidden;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,#EDF1FF,#F5F7FB);
  box-shadow:var(--sh-1);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.cms-content{
  font-size:17px;
  line-height:1.9;
  color:var(--body);
}
.cms-content p{margin:0 0 20px;}
.cms-content > *:last-child{margin-bottom:0;}
.cms-content h2{
  position:relative;
  margin:46px 0 20px;
  padding-left:16px;
  font-size:clamp(22px,2.6vw,26px);
  line-height:1.35;
  font-weight:700;
  color:var(--text);
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;
  border-radius:4px;background:var(--brand);
}
.cms-content h3{
  margin:32px 0 14px;
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  color:var(--text);
}
.cms-content h4{margin:24px 0 12px;font-size:17px;font-weight:600;color:var(--text);}
.cms-content ul{margin:0 0 20px;}
.cms-content ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.cms-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;
  width:8px;height:8px;border-radius:50%;background:var(--brand);
}
.cms-content ol{margin:0 0 20px;counter-reset:item;}
.cms-content ol li{position:relative;padding-left:32px;margin-bottom:10px;counter-increment:item;}
.cms-content ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.42em;
  width:20px;height:20px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.cms-content blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:var(--brand-soft);
  border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:#33406B;
}
.cms-content img{
  max-width:100%;
  height:auto;
  margin:24px auto;
  border-radius:12px;
}
.cms-content figure{margin:24px 0;}
.cms-content figcaption{margin-top:10px;font-size:13px;color:var(--muted);text-align:center;}
.cms-content a{color:var(--brand);text-decoration:underline;}
.cms-content strong{color:var(--text);font-weight:600;}
.cms-content table{
  display:block;
  width:100%;
  margin:24px 0;
  overflow-x:auto;
  border-collapse:collapse;
  font-size:15px;
}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.cms-content th{background:var(--brand-soft);color:var(--text);font-weight:600;}
.cms-content pre{
  margin:24px 0;
  padding:18px;
  background:#0B1220;
  color:#E7ECF7;
  border-radius:12px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.cms-content code{background:var(--line-soft);padding:2px 6px;border-radius:6px;font-size:15px;}
.cms-content pre code{background:transparent;padding:0;color:inherit;}
.cms-content hr{border:0;border-top:1px dashed var(--line);margin:36px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 24px;
  text-align:center;
  background:var(--brand-soft);
  border:1px dashed #C7D2F5;
  border-radius:var(--r-card);
}
.empty-state p{margin-bottom:20px;font-size:16px;color:var(--body);}

/* ---------- 相关推荐 ---------- */
.related{padding:var(--gap) 0 0;}
.sec-head{max-width:720px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;}
.sec-head p{margin-top:12px;font-size:15px;color:var(--muted);}
.related-grid{margin-top:32px;}
.related-grid > .cell{margin-bottom:24px;}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#EDF1FF,#F5F7FB);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-title{
  font-size:17px;
  line-height:1.5;
  font-weight:600;
  color:var(--text);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-title a{color:var(--text);}
.card-title a:hover{color:var(--brand);}
.card-meta{
  display:flex;align-items:center;gap:10px;
  margin-top:14px;padding-top:14px;
  border-top:1px dashed var(--line-soft);
  font-size:13px;color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.text-list{margin-top:12px;border-top:1px dashed var(--line);}
.text-list li{
  display:flex;align-items:baseline;gap:16px;
  padding:14px 0;
  border-bottom:1px dashed var(--line-soft);
}
.text-list .tl-date{flex:0 0 76px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.text-list a{font-size:15.5px;font-weight:500;color:var(--text);}
.text-list a:hover{color:var(--brand);}

/* ---------- 返回入口 ---------- */
.back-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  padding:56px 0 0;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--gap);
  padding:64px 0 28px;
  background:var(--footer-bg);
  color:#A9B4C9;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:var(--brand);}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.8;color:#8E9AB0;max-width:320px;}
.footer-col h3{margin-bottom:16px;font-size:15px;font-weight:600;color:#fff;}
.footer-col ul li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:#A9B4C9;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col p{font-size:14px;line-height:1.8;color:#8E9AB0;}
.footer-chip{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:14px;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  color:#C7D0E0;
  font-size:13px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#7C8798;
}

/* ---------- 悬浮转化条 ---------- */
.float-bar{
  position:fixed;
  right:24px;bottom:24px;
  z-index:70;
  width:260px;
  padding:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-2);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-bar.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none;}
.float-bar p{margin-bottom:12px;font-size:13.5px;line-height:1.6;color:var(--body);}
.float-actions{display:flex;gap:8px;}
.float-actions .btn{flex:1;height:38px;padding:0 10px;font-size:13px;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-actions > .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid > .cell{flex:0 0 50%;max-width:50%;}
}
@media (max-width:640px){
  :root{--gap:56px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-margin-x > .cell{padding-left:8px;padding-right:8px;}
  body{padding-bottom:76px;}
  .article-hero{padding:104px 0 36px;}
  .article-body{padding:40px 0 0;}
  .article-cover{margin-bottom:28px;border-radius:12px;}
  .cms-content{font-size:16.5px;}
  .related-grid > .cell{flex:0 0 100%;max-width:100%;}
  .text-list li{flex-direction:column;gap:4px;}
  .text-list .tl-date{flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .float-bar{
    right:0;left:0;bottom:0;
    width:auto;
    display:flex;align-items:center;gap:12px;
    padding:8px 14px calc(8px + env(safe-area-inset-bottom));
    min-height:56px;
    border-radius:0;
    border-left:0;border-right:0;border-bottom:0;
  }
  .float-bar p{margin:0;flex:1;font-size:12.5px;line-height:1.45;}
  .float-actions{flex:0 0 auto;}
  .float-actions .btn{flex:none;padding:0 16px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --brand:#2450F0;
  --brand-dark:#1637C9;
  --brand-light:#EDF1FF;
  --accent:#FF6A3D;
  --accent-dark:#E2542A;
  --accent-light:#FFF0EA;
  --teal:#12B5A5;
  --teal-deep:#0E8F83;
  --teal-light:#E6F7F5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --ink:#0D1424;
  --text:#46536B;
  --muted:#8A94A6;
  --placeholder:#B4BCCC;
  --line:#E4E9F2;
  --line-soft:#EEF1F7;
  --footer:#0B1220;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 2px 4px rgba(13,20,36,.04),0 12px 28px rgba(13,20,36,.06);
  --sh-2:0 18px 40px rgba(13,20,36,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
button{font:inherit;cursor:pointer;border:0;background:none}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}
input,textarea,select{font:inherit;color:var(--ink)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-12px}
.grid-margin-y>.cell{margin-top:24px}
h1{font-size:clamp(30px,4.2vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:16px;font-weight:600}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark);color:#fff}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff}
.btn-ghost{background:#fff;color:var(--brand);border-color:#C9D6FF}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 标签 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1;
}
.pill-teal{background:var(--teal-light);color:var(--teal-deep)}
.pill-brand{background:var(--brand-light);color:var(--brand-dark)}
.pill-accent{background:var(--accent-light);color:var(--accent-dark)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--teal);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--teal)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:18px;left:0;right:0;z-index:80;
  transition:top .25s var(--ease);
}
.site-header.is-scrolled{top:10px}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  height:64px;padding:0 14px 0 18px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:0 10px 26px rgba(13,20,36,.07);
  transition:height .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled .nav-shell{height:56px;box-shadow:0 12px 30px rgba(13,20,36,.11)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:16px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  display:grid;place-items:center;
  background:var(--brand);color:#fff;font-size:13px;font-weight:800;letter-spacing:0;
}
.brand-text{letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:40px;padding:0 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text);
}
.nav-link:hover{color:var(--ink);background:var(--line-soft)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  align-items:center;justify-content:center;color:var(--ink);
  border:1px solid var(--line);background:#fff;
}
.nav-toggle i{font-size:17px}
.mobile-panel{
  display:none;margin-top:10px;padding:14px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:14px;
  color:var(--text);font-size:16px;font-weight:500;
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--brand-light);color:var(--brand-dark)}
.mobile-panel .btn{margin-top:10px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding-top:0}
.section-tint{background:#fff}
.section-head{max-width:700px;margin-bottom:40px}
.section-head h2{margin:14px 0 12px}
.section-head p{font-size:16px;color:var(--text)}
section[id]{scroll-margin-top:96px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:158px 0 88px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.90) 48%,rgba(237,241,255,.86) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero-copy .pill{margin-bottom:18px}
.hero-copy h1{margin-bottom:18px;max-width:600px}
.hero-sub{font-size:17px;color:var(--text);max-width:540px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-trust li{display:inline-flex;align-items:center;gap:9px;font-size:14.5px;font-weight:500;color:var(--ink)}
.hero-trust i{color:var(--teal);font-size:14px}
.hero-media-cell{margin-top:40px}
.hero-media{
  position:relative;width:100%;max-width:320px;margin:0 auto;
  aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(160deg,#DCE5FF,#F3F6FF);
  box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media-time{
  position:absolute;top:14px;left:14px;
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:var(--r-pill);
  background:rgba(11,18,32,.72);color:#fff;font-size:12px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.hero-media-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--brand);
  display:grid;place-items:center;font-size:18px;
  box-shadow:0 8px 24px rgba(13,20,36,.18);
}
.hero-media-bar{
  position:absolute;left:0;right:0;bottom:0;
  padding:34px 16px 16px;
  background:linear-gradient(to top,rgba(11,18,32,.86),rgba(11,18,32,0));
  color:#fff;font-size:13.5px;font-weight:500;
}

/* ---------- 数据条 ---------- */
.stat-strip{padding:0 0 8px}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  padding:26px 28px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.stat-card{display:flex;flex-direction:column;gap:6px;padding-left:16px;border-left:2px dashed var(--line)}
.stat-card:first-child{border-left-color:var(--teal)}
.stat-card strong{font-size:19px;color:var(--ink);font-weight:700;letter-spacing:-.01em}
.stat-card span{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- 卡片 ---------- */
.card{
  position:relative;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8E0F0}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);font-size:17px;margin-bottom:16px;
}
.card-icon.is-teal{background:var(--teal-light);color:var(--teal-deep)}
.card-icon.is-accent{background:var(--accent-light);color:var(--accent-dark)}
.card h3{margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 场景卡 ---------- */
.scene-card{display:flex;flex-direction:column;height:100%}
.scene-media{
  position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-sm);
  overflow:hidden;margin-bottom:20px;background:linear-gradient(150deg,#E4EAFF,#F5F7FB);
}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.04)}
.scene-list{margin-top:16px;display:grid;gap:10px}
.scene-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text)}
.scene-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:7px;height:7px;border-radius:50%;background:var(--teal);
}

/* ---------- 流程 ---------- */
.flow-wrap{counter-reset:flow}
.flow-item{
  position:relative;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:16px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:10px}
.flow-item p{font-size:14.5px;color:var(--text);line-height:1.8}
.flow-line{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.flow-line span{height:1px;flex:1;background:repeating-linear-gradient(to right,var(--line) 0 6px,transparent 6px 12px)}

/* ---------- 横滑片段卡 ---------- */
.reel-track{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 4px 18px;margin:0 -4px;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.reel-track::-webkit-scrollbar{display:none}
.reel-card{flex:0 0 216px;scroll-snap-align:start}
.reel-media{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(160deg,#DCE5FF,#F3F6FF);box-shadow:var(--sh-1);
  transition:box-shadow .2s var(--ease);
}
.reel-card:hover .reel-media{box-shadow:var(--sh-2)}
.reel-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.reel-card:hover .reel-media img{transform:scale(1.04)}
.reel-time{
  position:absolute;top:12px;left:12px;
  height:24px;padding:0 9px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;
  background:rgba(11,18,32,.72);color:#fff;font-size:11.5px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.reel-tag{
  position:absolute;top:12px;right:12px;
  height:24px;padding:0 9px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;
  background:rgba(255,255,255,.94);color:var(--teal-deep);font-size:11.5px;font-weight:600;
}
.reel-shade{
  position:absolute;left:0;right:0;bottom:0;height:56%;
  background:linear-gradient(to top,rgba(11,18,32,.82),rgba(11,18,32,0));
}
.reel-title{
  margin-top:14px;font-size:15px;font-weight:600;color:var(--ink);
  line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 口碑 ---------- */
.voice-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x proximity;
  padding:4px 4px 16px;margin:0 -4px;scrollbar-width:none;
}
.voice-track::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:grid;place-items:center;background:var(--brand-light);
  color:var(--brand-dark);font-weight:700;font-size:15px;
}
.voice-head strong{display:block;font-size:15px;color:var(--ink);font-weight:600}
.voice-meta{font-size:12.5px;color:var(--muted)}
.stars{display:inline-flex;gap:3px;color:var(--accent);font-size:12.5px;margin-bottom:10px}
.voice-card p{font-size:14.5px;color:var(--text);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:16px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item.is-open{border-color:#C9D6FF;box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:18px 22px;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-q i{color:var(--muted);font-size:14px;transition:transform .25s var(--ease),color .2s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text)}

/* ---------- CTA + 表单 ---------- */
.cta-panel{
  background:var(--brand-light);
  border:1px solid #DCE5FF;border-radius:var(--r-lg);
  padding:44px 40px;
}
.cta-panel h2{margin-bottom:14px}
.cta-panel > .grid-x > .cell > p{font-size:15.5px;color:var(--text);max-width:440px}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{position:relative;padding-left:24px;font-size:15px;color:var(--ink)}
.cta-points li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;font-size:12px;color:var(--teal);
}
.lead-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#FBFCFE;font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(36,80,240,.12);
}
.form-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.form-note{
  margin-top:14px;font-size:14px;color:var(--teal-deep);
  opacity:0;transform:translateY(-4px);transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.form-note.is-visible{opacity:1;transform:translateY(0)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:#A9B2C6;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand:hover{color:#fff}
.footer-brand p{color:#8A94A6;font-size:14.5px;margin-top:16px;line-height:1.85}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:#A9B2C6;font-size:14.5px;display:inline-block;min-height:24px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-col p{font-size:14.5px;color:#8A94A6;line-height:1.85}
.footer-chip{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);color:#C8D0E0;font-size:13px;
}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:56px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13.5px;color:#7C879B;
}

/* ---------- 悬浮转化条 ---------- */
.sticky-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;width:260px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:18px;box-shadow:var(--sh-2);
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.sticky-cta.is-hidden{opacity:0;transform:translateY(16px);pointer-events:none}
.sticky-cta strong{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px}
.sticky-cta p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.sticky-actions{display:flex;gap:10px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .site-header{top:12px}
  .section{padding:64px 0}
  .hero{padding:130px 0 64px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px;padding:22px}
  .stat-card:nth-child(3){border-left-color:var(--teal)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
  .cta-panel{padding:34px 26px}
}
@media (max-width:767px){
  .hero{padding:118px 0 56px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-media{max-width:280px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .stat-grid{grid-template-columns:1fr;padding:20px;gap:16px}
  .stat-card{padding-left:14px}
  .voice-card{flex:0 0 270px}
  .reel-card{flex:0 0 180px}
  .cta-panel{padding:28px 20px}
  .lead-form{padding:20px}
  .form-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-bottom{margin-top:36px}
  .site-footer{padding-bottom:96px}
  .sticky-cta{
    right:0;left:0;bottom:0;width:auto;border-radius:20px 20px 0 0;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom,0px));
    display:flex;align-items:center;gap:14px;
  }
  .sticky-cta strong{font-size:13.5px;margin-bottom:2px}
  .sticky-cta p{display:none}
  .sticky-actions{margin-left:auto;flex:0 0 auto}
  .sticky-actions .btn{height:38px;padding:0 14px;font-size:13.5px}
}
@media (max-width:519px){
  .brand-text{font-size:14px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px}
  .hero-media{max-width:100%}
  .footer-grid{grid-template-columns:1fr}
  .voice-card{flex:0 0 240px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --blue:#2450F0;
  --blue-dark:#1637C9;
  --blue-soft:#EDF1FF;
  --orange:#FF6A3D;
  --orange-dark:#E2542A;
  --teal:#12B5A5;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --ink:#0D1424;
  --muted:#46536B;
  --faint:#8A94A6;
  --placeholder:#B4BCCC;
  --line:#E4E9F2;
  --line-soft:#EEF1F7;
  --footer-bg:#0B1220;
  --r-card:16px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 2px 4px rgba(13,20,36,.04), 0 12px 28px rgba(13,20,36,.06);
  --sh-2:0 18px 40px rgba(13,20,36,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--muted);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--blue-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
@media screen and (max-width:639px){
  .grid-container{padding-left:20px;padding-right:20px;}
}

/* ============ 头部悬浮胶囊导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:14px 0 6px;
}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 10px 0 20px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:height .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-shell.is-scrolled{height:56px;box-shadow:var(--sh-1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--blue);
  color:#fff;
  font-size:14px;
  font-weight:800;
  letter-spacing:.02em;
}
.brand-text{font-size:17px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:500;
  color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-link:hover{background:var(--blue-soft);color:var(--blue);}
.nav-link.is-active{color:var(--blue);font-weight:600;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:4px;
  transform:translateX(-50%);
  width:22px;height:2px;
  border-radius:2px;
  background:var(--blue);
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:var(--r-pill);
  color:var(--ink);
  font-size:18px;
  cursor:pointer;
}
.mobile-panel{
  display:none;
  margin-top:10px;
  padding:14px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-2);
}
.mobile-panel.is-open{display:block;}
.mobile-panel a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  border-radius:14px;
  color:var(--muted);
  font-size:16px;
  font-weight:500;
}
.mobile-panel a:hover,.mobile-panel a.is-active{background:var(--blue-soft);color:var(--blue);}
.mobile-panel .btn{width:100%;margin-top:10px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--blue);color:#fff;}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--blue);border-color:var(--blue);}
.btn-ghost:hover{background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-2px);}
.btn-orange{background:var(--orange);color:#fff;}
.btn-orange:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn:active{transform:translateY(0);}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
  background:var(--blue-soft);
  color:var(--blue);
}
.tag-teal{background:rgba(18,181,165,.12);color:#0E8C80;}
.tag-orange{background:rgba(255,106,61,.12);color:var(--orange-dark);}
.tag-plain{background:var(--line-soft);color:var(--muted);}

/* ============ 板块 ============ */
.section{margin-top:88px;}
.sec-head{max-width:760px;margin-bottom:32px;}
.sec-kicker{
  display:inline-block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--teal);
  margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;}
.sec-head p{margin-top:10px;color:var(--muted);font-size:16px;}

/* ============ 顶部横幅 ============ */
.banner{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-lg);
  padding:56px 48px;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-1);
}
.banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.9) 46%,rgba(237,241,255,.72) 100%);
}
.banner > .grid-x{position:relative;z-index:2;}
.crumbs{font-size:14px;color:var(--faint);margin-bottom:18px;}
.crumbs a{color:var(--faint);}
.crumbs a:hover{color:var(--blue);}
.crumbs span{margin:0 8px;}
.crumbs .current{color:var(--blue);}
.banner h1{
  font-size:clamp(30px,4.2vw,44px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
  margin:14px 0 16px;
}
.banner .lede{font-size:17px;line-height:1.8;color:var(--muted);max-width:560px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.trust-item i{color:var(--teal);}
.banner-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  background:linear-gradient(135deg,#EDF1FF,#F5F7FB);
  box-shadow:var(--sh-1);
  aspect-ratio:16/9;
}
.banner-figure img{width:100%;height:100%;object-fit:cover;}

/* ============ 锚点目录 ============ */
.toc{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--sh-1);
}
.toc h2{font-size:16px;font-weight:700;margin-bottom:12px;}
.toc a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 14px;
  border-radius:12px;
  color:var(--muted);
  font-size:15px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.toc a i{font-size:12px;color:var(--placeholder);}
.toc a:hover,.toc a.is-current{background:var(--blue-soft);color:var(--blue);}
.toc a:hover i,.toc a.is-current i{color:var(--blue);}
.toc-note{
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--faint);
}

/* ============ 内容卡 ============ */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-icon{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:14px;
  background:var(--blue-soft);
  color:var(--blue);
  font-size:18px;
  margin-bottom:16px;
}
.card h3{font-size:20px;font-weight:600;margin-bottom:12px;line-height:1.4;}
.card p{font-size:15px;line-height:1.8;margin-bottom:12px;}
.check-list{margin-top:6px;border-top:1px dashed var(--line);padding-top:14px;}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
  margin-bottom:6px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:4px;top:11px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--teal);
}

/* ============ 步骤条 ============ */
.steps{display:grid;gap:24px;grid-template-columns:repeat(4,1fr);position:relative;}
.step{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  border-radius:var(--r-pill);
  background:var(--blue);
  color:#fff;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;color:var(--muted);}

/* ============ 场景卡 ============ */
.scene-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  height:100%;
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#EDF1FF,#F5F7FB);
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.scene-card:hover .scene-thumb img{transform:scale(1.04);}
.scene-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-body h3{font-size:18px;font-weight:600;}
.scene-body p{font-size:15px;line-height:1.8;color:var(--muted);}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.stat{
  background:var(--card);
  padding:24px 22px;
  text-align:center;
}
.stat b{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--blue);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat span{font-size:14px;color:var(--faint);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:16px;}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .2s var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 24px;
  min-height:44px;
  background:none;
  border:0;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  cursor:pointer;
}
.faq-q i{
  color:var(--blue);
  font-size:14px;
  transition:transform .25s var(--ease);
  flex:0 0 auto;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease);
}
.faq-a p{
  padding:0 24px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--muted);
}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px 36px;
  border-radius:var(--r-lg);
  background:linear-gradient(96deg,#EDF1FF 0%,#F5F7FB 60%,#FFFFFF 100%);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.cta-bar h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.cta-bar p{font-size:15px;color:var(--muted);max-width:620px;}
.cta-bar .cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--footer-bg);
  color:rgba(255,255,255,.72);
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:36px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:var(--blue);}
.site-footer .brand-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px;max-width:320px;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  color:rgba(255,255,255,.78);
  font-size:13px;
}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 悬浮转化条 ============ */
.float-bar{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:70;
  width:260px;
  padding:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-bar.is-hidden{opacity:0;transform:translateY(16px);pointer-events:none;}
.float-bar span{font-size:13px;color:var(--muted);line-height:1.6;display:flex;align-items:center;gap:8px;}
.float-bar span i{color:var(--orange);}
.float-bar .btn{width:100%;}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .toc{position:static;margin-bottom:24px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .banner{padding:44px 32px;}
}
@media screen and (max-width:767px){
  .section{margin-top:56px;}
  .banner{padding:32px 22px;}
  .banner .lede{font-size:16px;}
  .banner-actions .btn{width:100%;}
  .trust-row{gap:14px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn{width:100%;}
  .card{padding:20px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a p{padding:0 18px 18px;}
}
@media screen and (max-width:639px){
  body{padding-bottom:76px;}
  .brand-text{font-size:16px;}
  .steps{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-bar{
    right:0;left:0;bottom:0;
    width:100%;
    border-radius:16px 16px 0 0;
    border-left:0;border-right:0;border-bottom:0;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:12px 16px calc(12px + env(safe-area-inset-bottom));
    gap:12px;
  }
  .float-bar span{font-size:12px;flex:1;}
  .float-bar .btn{min-height:44px;width:auto;padding:0 18px;font-size:14px;flex:0 0 auto;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}