/* roulang page: index */
:root{
  --brand:#FF6A2B;
  --brand-pink:#FF3D7F;
  --purple:#7C4DFF;
  --teal:#14B8A6;
  --grad:linear-gradient(102deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  --bg:#FFF9F5;
  --bg-alt:#F4F0FF;
  --card:#FFFFFF;
  --ink:#1C1622;
  --text:#524A5C;
  --muted:#8A8296;
  --line:#EFE7E0;
  --line2:#E8E2F2;
  --shadow:0 6px 24px rgba(28,22,34,.06);
  --shadow-lg:0 14px 36px rgba(255,106,43,.16);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:20px;
  --r-sm:14px;
  --pill:999px;
  --ease:200ms cubic-bezier(.2,.8,.2,1);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;}
input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-0.01em;line-height:1.32;font-weight:700;}
h1{font-size:44px;line-height:1.2;font-weight:800;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.4;}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.28);border-radius:8px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section--tight{padding:76px 0;}
.section--alt{background:var(--bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(255,106,43,.1);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:14px;
}
.section-head h2{max-width:720px;}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}

/* ============ 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;letter-spacing:.01em;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,106,43,.28);}
.btn-primary:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-secondary:hover{background:rgba(255,106,43,.06);transform:translateY(-2px);color:var(--brand);}
.btn-ghost{color:var(--ink);padding:0 6px;height:auto;font-weight:600;}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(5px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

/* ============ 标签 / 徽章 ============ */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
}
.chip-orange{background:rgba(255,106,43,.12);color:#D9501A;}
.chip-purple{background:rgba(124,77,255,.12);color:#5B32D6;}
.chip-teal{background:rgba(20,184,166,.14);color:#0E8C7E;}
.chip-gray{background:#F4F1EE;color:var(--muted);}

.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:44px;
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1;}
.stat b em{font-style:normal;font-size:15px;font-weight:600;color:var(--brand);margin-left:4px;}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(28,22,34,.08);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  position:relative;box-shadow:0 6px 16px rgba(255,106,43,.3);
}
.logo-mark::after{
  content:"";position:absolute;inset:11px;border-radius:6px;
  background:rgba(255,255,255,.9);
  clip-path:polygon(52% 0,100% 50%,52% 100%,0 50%);
}
.logo-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  padding:6px;border-radius:var(--pill);
  background:#F7F3F0;border:1px solid var(--line);
}
.nav-pill a{
  display:inline-block;padding:9px 18px;border-radius:var(--pill);
  font-size:14.5px;font-weight:600;color:var(--text);
  transition:background var(--ease),color var(--ease);
}
.nav-pill a:hover{background:#fff;color:var(--ink);}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,61,127,.26);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--pill);border:1px solid var(--line);
  background:#fff;color:var(--text);display:inline-flex;align-items:center;justify-content:center;
  transition:color var(--ease),border-color var(--ease),transform var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,106,43,.4);transform:translateY(-2px);}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--pill);border:1px solid var(--line);background:#fff;color:var(--ink);align-items:center;justify-content:center;}
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(360px,86vw);z-index:90;
  background:#fff;border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform 260ms cubic-bezier(.2,.8,.2,1);
  padding:24px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 18px;border-radius:var(--r-sm);border:1px solid var(--line);
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-link.active{border-color:rgba(255,106,43,.45);background:rgba(255,106,43,.07);color:var(--brand);}
.drawer .btn{margin-top:12px;width:100%;}
.drawer-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}
.overlay{position:fixed;inset:0;background:rgba(28,22,34,.42);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:80;}
.overlay.is-open{opacity:1;pointer-events:auto;}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 96px;}
.hero::before{
  content:"";position:absolute;top:-180px;right:-140px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(255,138,61,.28),rgba(124,77,255,.12) 55%,transparent 72%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--pill);background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--text);box-shadow:var(--shadow);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.18);}
.hero h1{margin:22px 0 18px;}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--text);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(28,22,34,.14);
}
.float-card{
  position:absolute;background:rgba(255,255,255,.96);border:1px solid var(--line);
  border-radius:18px;padding:12px 16px;box-shadow:0 12px 30px rgba(28,22,34,.14);
  display:flex;align-items:center;gap:10px;backdrop-filter:blur(6px);
}
.float-card b{font-size:17px;font-weight:800;color:var(--ink);}
.float-card span{font-size:12px;color:var(--muted);display:block;line-height:1.5;}
.float-a{top:-16px;left:-18px;}
.float-b{bottom:-18px;right:-14px;}
.float-ico{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;font-size:14px;background:var(--grad);}

/* ============ 主张区 ============ */
.claim{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.claim-list{margin-top:32px;display:grid;gap:20px;}
.claim-item{display:flex;gap:16px;}
.claim-ico{
  flex:0 0 auto;width:46px;height:46px;border-radius:15px;
  display:grid;place-items:center;font-size:17px;color:#fff;background:var(--grad);
  box-shadow:0 8px 20px rgba(255,61,127,.22);
}
.claim-item h3{font-size:17px;margin-bottom:4px;}
.claim-item p{font-size:14.5px;color:var(--muted);}
.claim-media{position:relative;padding:10px;border-radius:var(--r-xl);background:linear-gradient(140deg,rgba(255,138,61,.35),rgba(124,77,255,.28));}
.claim-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);}

/* ============ 故事 / 步骤 ============ */
.story{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;}
.story--flip{grid-template-columns:7fr 5fr;}
.story-media img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);}
.story-media--wide img{aspect-ratio:4/3;}
.steps{margin-top:30px;display:grid;gap:22px;}
.step{display:grid;grid-template-columns:52px 1fr;gap:16px;padding-bottom:20px;border-bottom:1px dashed var(--line2);}
.step:last-child{border-bottom:0;padding-bottom:0;}
.step-no{
  font-size:15px;font-weight:800;color:var(--brand);
  background:rgba(255,106,43,.1);border-radius:14px;height:44px;display:grid;place-items:center;
}
.step h3{font-size:17px;margin-bottom:5px;}
.step p{font-size:14.5px;color:var(--muted);}

/* ============ Bento 精选 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:22px;}
.bcard{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.bcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(255,106,43,.32);}
.bcard-img{position:relative;overflow:hidden;}
.bcard-img img{width:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.2,.8,.2,1);}
.bcard:hover .bcard-img img{transform:scale(1.03);}
.bcard-img .chip{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--brand);box-shadow:0 4px 12px rgba(28,22,34,.1);}
.bcard-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.bcard-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bcard-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.bcard-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:7px;}
.bcard-more i{transition:transform var(--ease);}
.bcard:hover .bcard-more i{transform:translateX(5px);}
.bcard--lead{grid-column:span 4;grid-row:span 2;}
.bcard--lead .bcard-img img{aspect-ratio:16/9;}
.bcard--lead .bcard-body{padding:26px 30px 30px;}
.bcard--lead h3{font-size:24px;}
.bcard--mid{grid-column:span 2;}
.bcard--mid .bcard-img img{aspect-ratio:16/10;}
.bcard--mini{grid-column:span 2;}
.bcard--mini .bcard-img img{aspect-ratio:16/9;}
.bcard--mini .bcard-body{padding:18px 20px 20px;}
.bcard--mini h3{font-size:16px;}

/* ============ 最新信息列表 ============ */
.news-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;box-shadow:var(--shadow);}
.news-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:20px;align-items:center;
  padding:18px 20px;border-radius:20px;border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.news-row + .news-row{margin-top:6px;}
.news-row:hover{background:var(--bg);border-color:var(--line);}
.news-row:hover .news-arrow{transform:translateX(6px);color:var(--brand);}
.news-thumb{width:96px;height:96px;border-radius:16px;overflow:hidden;background:var(--bg-alt);border:1px solid var(--line2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-title{font-size:17px;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-desc{margin-top:6px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:10px;flex-wrap:wrap;}
.news-meta time{font-size:12.5px;color:var(--muted);}
.news-arrow{font-size:18px;color:#CFC6C0;transition:transform var(--ease),color var(--ease);}
.news-empty{
  text-align:center;padding:56px 24px;border-radius:20px;background:var(--bg-alt);
  border:1px dashed var(--line2);
}
.news-empty .ico{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:#fff;
  display:grid;place-items:center;font-size:24px;color:var(--purple);box-shadow:var(--shadow);
}
.news-empty h3{font-size:17px;margin-bottom:8px;}
.news-empty p{font-size:14px;color:var(--muted);margin-bottom:18px;}

/* ============ 信任背书 ============ */
.trust-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.chip-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.gray-chip{
  padding:10px 18px;border-radius:var(--pill);background:#fff;border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--muted);transition:color var(--ease),border-color var(--ease);
}
.gray-chip:hover{color:var(--ink);border-color:var(--line2);}
.quote-cards{display:grid;gap:20px;}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--shadow);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.quote::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:4px;background:var(--grad);
}
.quote p{font-size:15px;color:var(--ink);padding-left:6px;}
.quote footer{margin-top:14px;font-size:13px;color:var(--muted);padding-left:6px;}

/* ============ FAQ ============ */
.faq-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:16px;box-shadow:var(--shadow);
}
.faq-item{border-radius:20px;overflow:hidden;transition:background var(--ease);}
.faq-item + .faq-item{margin-top:4px;}
.faq-item.is-open{background:var(--bg);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:700;color:var(--ink);
  position:relative;transition:color var(--ease);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:4px;
  background:var(--grad);opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q:hover{color:var(--brand);}
.faq-q i{flex:0 0 auto;font-size:14px;color:var(--brand);transition:transform var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.2,.8,.2,1);}
.faq-a p{padding:0 26px 24px;font-size:14.8px;color:var(--muted);}

/* ============ CTA ============ */
.cta-wrap{padding:0 0 104px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:64px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  box-shadow:0 26px 60px rgba(255,61,127,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card h2{color:#fff;font-size:30px;}
.cta-card p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.92);max-width:520px;}
.cta-form{position:relative;z-index:2;}
.cta-line{display:flex;gap:12px;background:rgba(255,255,255,.96);padding:8px;border-radius:var(--pill);}
.cta-line input{
  flex:1;min-width:0;height:52px;border:0;background:transparent;padding:0 20px;
  font-size:15px;color:var(--ink);outline:none;border-radius:var(--pill);
}
.cta-line input::placeholder{color:#A79FB0;}
.cta-line input:focus{box-shadow:0 0 0 3px rgba(255,106,43,.24);}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.86);}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.cta-tags span{
  font-size:12.5px;font-weight:600;padding:7px 15px;border-radius:var(--pill);
  background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.35);color:#fff;
}

/* ============ 页脚 ============ */
.site-footer{background:#1C1622;color:#B9B2C4;padding:76px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;}
.site-footer .logo-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;color:#9C94A8;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col li + li{margin-top:11px;}
.footer-col a{font-size:14px;color:#A79FB0;transition:color var(--ease);}
.footer-col a:hover{color:#FF8A3D;}
.footer-contact{font-size:14px;color:#A79FB0;line-height:2;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B8397;
}
.footer-bottom a{color:#8B8397;}
.footer-bottom a:hover{color:#FF8A3D;}

@media (max-width:1023px){
  h1{font-size:34px;}
  .nav-pill{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .hero{padding:52px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .claim,.story,.story--flip,.trust-grid,.cta-card{grid-template-columns:1fr;gap:36px;}
  .cta-card{padding:44px 32px;}
  .bento{grid-template-columns:repeat(2,1fr);}
  .bcard--lead,.bcard--mid,.bcard--mini{grid-column:span 2;grid-row:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:76px 0;}
}
@media (max-width:767px){
  body{font-size:15px;}
  h1{font-size:28px;line-height:1.28;}
  h2{font-size:22px;}
  .container{padding:0 18px;}
  .section{padding:58px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px;}
  .stat-strip{grid-template-columns:1fr;gap:14px;}
  .news-row{grid-template-columns:72px 1fr;gap:14px;padding:14px;}
  .news-thumb{width:72px;height:72px;border-radius:14px;}
  .news-arrow{display:none;}
  .bento{grid-template-columns:1fr;gap:16px;}
  .bcard--lead,.bcard--mid,.bcard--mini{grid-column:span 1;}
  .cta-card{padding:36px 24px;border-radius:26px;}
  .cta-line{flex-direction:column;border-radius:24px;padding:12px;}
  .cta-line input{height:48px;}
  .cta-line .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .float-a{top:-12px;left:-4px;}
  .float-b{bottom:-14px;right:-4px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
  .step{grid-template-columns:42px 1fr;gap:12px;}
  .step-no{height:38px;border-radius:12px;font-size:14px;}
  .faq-q{padding:18px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 20px;}
  .quote{padding:22px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#FF6A2B;
  --brand-2:#FF3D7F;
  --brand-3:#7C4DFF;
  --accent:#14B8A6;
  --bg:#FFF9F5;
  --bg-alt:#F4F0FF;
  --card:#FFFFFF;
  --ink:#1C1622;
  --ink-2:#524A5C;
  --ink-3:#8A8296;
  --line:#EFE7E0;
  --line-2:#E8E2F2;
  --dark:#1C1622;
  --grad:linear-gradient(102deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  --grad-soft:linear-gradient(102deg,rgba(255,138,61,.14) 0%,rgba(255,61,127,.12) 55%,rgba(124,77,255,.14) 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:20px;
  --r-input:14px;
  --r-pill:999px;
  --sh:0 6px 24px rgba(28,22,34,.06);
  --sh-hover:0 14px 36px rgba(255,106,43,.16);
  --ease:cubic-bezier(.2,.8,.2,1);
  --tr:200ms var(--ease);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:28px;
  font-weight:400;
  letter-spacing:0;
}
img{max-width:100%;display:block;border-radius:inherit;}
a{color:var(--ink);text-decoration:none;transition:color var(--tr),background var(--tr),border-color var(--tr),transform var(--tr);}
a:hover{color:var(--brand);}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.25em;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.25);border-radius:8px;}
.tnum{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(28,22,34,.08);background:rgba(255,255,255,.95);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,61,127,.28);
}
.brand-mark span{
  width:14px;height:14px;border-radius:5px;background:#fff;opacity:.92;display:block;
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.08em;}
.nav-pill{
  margin-left:auto;
  display:flex;align-items:center;gap:2px;
  padding:6px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh);
}
.nav-pill a{
  display:inline-block;
  padding:9px 16px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-pill a:hover{background:var(--bg-alt);color:var(--ink);}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,61,127,.24);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:var(--tr);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,106,43,.4);box-shadow:var(--sh);}
.menu-toggle{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:0;cursor:pointer;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,61,127,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,61,127,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,61,127,.24);}
.btn-secondary{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-secondary:hover{background:rgba(255,106,43,.06);color:var(--brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--ink);padding:0 8px;height:auto;}
.btn-ghost i{transition:transform var(--tr);}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;}

.search-pop{
  display:none;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.96);
}
.search-pop.is-open{display:block;}
.search-pop .container{display:flex;gap:12px;padding-top:14px;padding-bottom:14px;}
.search-pop input{
  flex:1;height:50px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 16px;background:#fff;color:var(--ink);transition:var(--tr);
}
.search-pop input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18);outline:none;}

/* ---------- Drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;pointer-events:none;
}
.mobile-drawer::before{
  content:"";position:absolute;inset:0;background:rgba(28,22,34,.42);
  opacity:0;transition:opacity var(--tr);
}
.drawer-inner{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);
  background:#fff;padding:22px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(105%);transition:transform 280ms var(--ease);
  overflow-y:auto;
}
.mobile-drawer.is-open{pointer-events:auto;}
.mobile-drawer.is-open::before{opacity:1;}
.mobile-drawer.is-open .drawer-inner{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:14px 16px;border-radius:16px;font-size:15px;font-weight:600;
  color:var(--ink);background:var(--bg);
}
.drawer-nav a.active{background:var(--grad);color:#fff;}
.drawer-foot{font-size:13px;color:var(--ink-3);line-height:24px;border-top:1px solid var(--line);padding-top:16px;}

/* ---------- Breadcrumb & article head ---------- */
.crumb-bar{padding:26px 0 10px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.breadcrumb a{color:var(--ink-2);font-weight:500;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFC7D6;}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-hero{padding:6px 0 34px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 13px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1;
}
.chip-cat{background:rgba(124,77,255,.10);color:var(--brand-3);}
.chip-time{background:rgba(20,184,166,.12);color:#0E8F83;}
.chip-date{background:#fff;color:var(--ink-3);border:1px solid var(--line);}
.article-hero h1{
  font-size:40px;line-height:48px;font-weight:800;letter-spacing:-.01em;
  max-width:900px;
}
.article-lead{
  margin-top:16px;font-size:17px;line-height:32px;color:var(--ink-2);
  max-width:820px;
}

/* ---------- Layout ---------- */
.article-layout{padding-bottom:20px;}
.article-main{min-width:0;}
.article-side{min-width:0;}

.article-cover{
  margin:0 0 30px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-alt);box-shadow:var(--sh);
}
.article-cover img{
  width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0;
  transition:transform 400ms var(--ease);
}
.article-cover:hover img{transform:scale(1.02);}

.toc-mobile{display:none;margin-bottom:24px;}
.toc-mobile details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  padding:14px 18px;box-shadow:var(--sh);
}
.toc-mobile summary{
  cursor:pointer;font-weight:700;color:var(--ink);font-size:15px;list-style:none;
}
.toc-mobile summary::-webkit-details-marker{display:none;}

/* ---------- Article body ---------- */
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:40px;box-shadow:var(--sh);
  font-size:17px;line-height:32px;color:var(--ink-2);
  max-width:860px;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;
  font-size:28px;line-height:36px;font-weight:700;color:var(--ink);
  margin:44px 0 18px;padding-left:18px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;
  background:var(--grad);
}
.article-body h3{font-size:20px;line-height:28px;font-weight:700;color:var(--ink);margin:32px 0 12px;}
.article-body p{margin:0 0 1em;}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand-3);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--grad-soft);
  border-left:4px solid;
  border-image:var(--grad) 1;
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px 0 8px;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--brand-3);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-2);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  border:1px solid var(--line-2);border-radius:16px;overflow:hidden;margin:24px 0;font-size:15px;
}
.article-body thead th{background:var(--bg-alt);color:var(--ink);font-weight:700;padding:14px 16px;text-align:left;}
.article-body tbody td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-2);}
.article-body code{
  background:var(--bg-alt);color:var(--brand-3);border-radius:6px;padding:2px 7px;font-size:15px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.empty-state{
  text-align:center;padding:56px 24px;border-radius:var(--r-md);
  background:var(--bg-alt);border:1px dashed var(--line-2);
}
.empty-state i{font-size:38px;color:var(--brand-3);}
.empty-state h2{margin:16px 0 8px;font-size:22px;}
.empty-state p{color:var(--ink-3);margin-bottom:20px;}

/* ---------- Sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  padding:22px;box-shadow:var(--sh);
}
.side-card h2{font-size:17px;line-height:26px;font-weight:700;margin-bottom:14px;}
.side-card h2 i{color:var(--brand);margin-right:8px;}
.toc-list{list-style:none;margin:0;padding:0;max-height:46vh;overflow:auto;}
.toc-list li{margin-bottom:4px;}
.toc-list a{
  display:block;padding:8px 12px;border-radius:12px;font-size:14px;line-height:22px;
  color:var(--ink-2);border-left:3px solid transparent;
}
.toc-list a:hover{background:var(--bg-alt);color:var(--ink);}
.toc-list a.is-active{
  color:var(--brand-3);font-weight:700;background:rgba(124,77,255,.08);
  border-left-color:var(--brand-3);
}
.toc-list .lvl-3 a{padding-left:26px;font-size:13px;color:var(--ink-3);}

.hot-list{list-style:none;margin:0;padding:0;}
.hot-list li{border-top:1px solid var(--line);}
.hot-list li:first-child{border-top:0;}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:14px;line-height:23px;
  color:var(--ink);font-weight:600;
}
.hot-list a:hover{color:var(--brand);}
.hot-list .num{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:var(--bg-alt);
  color:var(--brand-3);font-size:12px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;
}
.hot-list a:hover .num{background:var(--grad);color:#fff;}

.cat-chips{display:flex;flex-wrap:wrap;gap:8px;}
.cat-chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink-2);
}
.cat-chips a:hover{background:#fff;border-color:rgba(255,106,43,.4);color:var(--brand);}

.side-cta{
  background:var(--grad);border:0;color:#fff;position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  right:-70px;bottom:-90px;background:rgba(255,255,255,.16);
}
.side-cta h2{color:#fff;position:relative;}
.side-cta p{color:rgba(255,255,255,.88);font-size:14px;line-height:24px;position:relative;margin-bottom:16px;}
.side-cta .btn{
  position:relative;background:#fff;color:var(--brand-2);box-shadow:none;
}
.side-cta .btn:hover{color:var(--brand-2);transform:translateY(-2px);}

/* ---------- Footer of article ---------- */
.article-foot{
  max-width:860px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 40px;margin-top:24px;box-shadow:var(--sh);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag-row a{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--brand-3);font-size:13px;font-weight:600;
}
.tag-row a:hover{background:rgba(124,77,255,.18);}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.share-row button{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--ink-2);cursor:pointer;transition:var(--tr);
}
.share-row button:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-2px);}

/* ---------- Related ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:36px;}
.section-head p{margin:8px 0 0;color:var(--ink-3);font-size:14px;}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh);transition:var(--tr);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,106,43,.28);}
.rel-card .thumb{
  flex:0 0 auto;width:88px;height:88px;border-radius:16px;overflow:hidden;background:var(--bg-alt);
}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.rel-card h3{font-size:16px;line-height:24px;margin-bottom:8px;}
.rel-card .meta{font-size:13px;color:var(--ink-3);}
.rel-card:hover h3{color:var(--brand);}

/* ---------- Big CTA ---------- */
.cta-wrap{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:56px;
  display:grid;grid-template-columns:1.2fr 1fr;gap:36px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:rgba(255,255,255,.14);left:-120px;top:-140px;
}
.cta-card h2{color:#fff;font-size:30px;line-height:40px;position:relative;}
.cta-card p{color:rgba(255,255,255,.9);position:relative;margin:14px 0 0;font-size:15px;line-height:26px;}
.cta-form{position:relative;display:flex;gap:10px;background:rgba(255,255,255,.16);padding:8px;border-radius:var(--r-pill);}
.cta-form input{
  flex:1;height:50px;border:0;border-radius:var(--r-pill);padding:0 20px;background:#fff;color:var(--ink);
}
.cta-form input::placeholder{color:var(--ink-3);}
.cta-form button{
  height:50px;padding:0 24px;border-radius:var(--r-pill);border:0;cursor:pointer;
  background:#fff;color:var(--brand-2);font-weight:700;font-size:15px;transition:var(--tr);
}
.cta-form button:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(28,22,34,.18);}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text small{color:rgba(255,255,255,.5);}
.site-footer p{font-size:14px;line-height:26px;color:rgba(255,255,255,.62);}
.site-footer h3{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-note{font-size:14px;line-height:26px;color:rgba(255,255,255,.62);}
.footer-note strong{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

@media screen and (max-width:1024px){
  .nav-pill{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .article-body{padding:32px 26px;}
  .article-foot{padding:22px 26px;}
  .cta-card{grid-template-columns:1fr;padding:40px;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .article-hero h1{font-size:28px;line-height:36px;}
  .article-lead{font-size:15px;line-height:26px;}
  .article-body{font-size:16px;line-height:29px;border-radius:var(--r-img);padding:26px 20px;}
  .article-body h2{font-size:22px;line-height:30px;}
  .article-body h3{font-size:18px;line-height:27px;}
  .side-stack{position:static;margin-top:24px;}
  .toc-desktop{display:none;}
  .toc-mobile{display:block;}
  .section{padding:52px 0;}
  .section-head h2{font-size:22px;line-height:30px;}
  .cta-wrap{padding-bottom:60px;}
  .cta-card{padding:30px 22px;border-radius:var(--r-md);}
  .cta-card h2{font-size:23px;line-height:32px;}
  .cta-form{flex-direction:column;border-radius:var(--r-input);}
  .cta-form button{width:100%;}
  .cta-form input{border-radius:var(--r-input);}
}
@media screen and (max-width:520px){
  .brand-text{font-size:17px;}
  .footer-grid{grid-template-columns:1fr;}
  .breadcrumb .current{max-width:60vw;}
  .article-meta{gap:8px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand:#FF6A2B;
  --brand-2:#FF3D7F;
  --brand-3:#7C4DFF;
  --teal:#14B8A6;
  --grad:linear-gradient(102deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  --grad-soft:linear-gradient(102deg,rgba(255,138,61,.16),rgba(124,77,255,.16));
  --bg:#FFF9F5;
  --bg-alt:#F4F0FF;
  --card:#FFFFFF;
  --ink:#1C1622;
  --text:#524A5C;
  --muted:#8A8296;
  --line:#EFE7E0;
  --line-2:#E8E2F2;
  --shadow:0 6px 24px rgba(28,22,34,.06);
  --shadow-hover:0 14px 36px rgba(255,106,43,.16);
  --r-xl:28px;
  --r-lg:24px;
  --r-img:20px;
  --r-input:14px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --container:1200px;
  --nav-h:74px;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:28px;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;font-weight:800;}
h1{font-size:40px;line-height:48px;}
h2{font-size:28px;line-height:36px;font-weight:700;}
h3{font-size:20px;line-height:28px;font-weight:700;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
a{color:var(--ink);text-decoration:none;transition:color 200ms var(--ease);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;}
figure{margin:0;}
button{font-family:inherit;}
strong{color:var(--ink);}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,106,43,.25);border-radius:8px;}

/* ===== 布局容器 ===== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin:0 auto 52px;text-align:left;}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;line-height:20px;
  color:var(--brand-3);background:rgba(124,77,255,.09);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.eyebrow i{font-size:12px;}

/* Foundation 栅格微调 */
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}
.grid-x>.cell{min-width:0;}

/* ===== 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:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease);
}
.btn i{font-size:13px;transition:transform 200ms var(--ease);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,61,127,.22);}
.btn-primary:hover{color:#fff;filter:brightness(1.05);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:#FFF3EC;color:var(--brand);border-color:var(--brand);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--brand);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-white{background:#fff;color:var(--brand-2);}
.btn-white:hover{color:var(--brand-2);background:#fff;box-shadow:0 12px 28px rgba(28,22,34,.18);}
.btn-ghost-w{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-w:hover{background:rgba(255,255,255,.26);color:#fff;}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(28,22,34,.08);}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  box-shadow:0 6px 16px rgba(255,61,127,.28);position:relative;
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:11px;height:11px;
  border-radius:4px;background:#fff;transform:translate(-50%,-50%);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.nav-pill{
  display:flex;align-items:center;gap:4px;margin:0 auto;
  background:#F7F4F1;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px;
}
.nav-pill a{
  display:inline-block;padding:9px 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text);line-height:1.2;
  transition:background 200ms var(--ease),color 200ms var(--ease);
}
.nav-pill a:hover{background:#fff;color:var(--brand);}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,61,127,.24);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text);display:grid;place-items:center;cursor:pointer;
  transition:all 200ms var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:#FFD9C6;box-shadow:var(--shadow);}
.hamburger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;place-items:center;color:var(--ink);font-size:17px;
}
.hamburger:hover{border-color:#FFD9C6;color:var(--brand);}
.nav-drawer{
  position:fixed;top:var(--nav-h);right:0;width:min(86vw,340px);height:calc(100vh - var(--nav-h));
  background:#fff;border-left:1px solid var(--line);box-shadow:-14px 0 40px rgba(28,22,34,.10);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  padding:28px 24px;overflow-y:auto;z-index:70;
}
.nav-drawer.open{transform:translateX(0);}
.nav-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 16px;border-radius:14px;font-size:15.5px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
}
.nav-drawer a.drawer-link:hover{background:var(--bg);border-color:var(--line);color:var(--brand);}
.nav-drawer a.drawer-link.active{background:var(--grad-soft);color:var(--brand-3);}
.nav-drawer .drawer-cta{margin-top:18px;}
.nav-drawer .drawer-cta .btn{width:100%;}
.drawer-foot{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);}

/* ===== 分类页 Hero ===== */
.cat-hero{
  position:relative;padding:48px 0 78px;overflow:hidden;
  background-image:
    linear-gradient(180deg,rgba(255,249,245,.55) 0%,rgba(255,249,245,.90) 62%,rgba(255,249,245,.98) 100%),
    url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-90px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.22),rgba(124,77,255,0) 68%);
  pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);margin-bottom:22px;position:relative;z-index:1;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C9C1D2;}
.crumb [aria-current]{color:var(--ink);font-weight:600;}
.cat-hero .hero-inner{max-width:820px;position:relative;z-index:1;}
.cat-hero h1{margin-bottom:18px;}
.cat-hero .hero-lead{font-size:17px;line-height:30px;color:var(--text);max-width:680px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}

/* ===== 数据徽章 ===== */
.stat-strip{position:relative;z-index:2;margin-top:-40px;}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:26px 12px;list-style:none;
}
.stats li{text-align:center;padding:0 12px;border-right:1px solid var(--line);}
.stats li:last-child{border-right:0;}
.stats strong{
  display:block;font-size:32px;line-height:1.1;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stats span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ===== 图文交替 ===== */
.split{margin-bottom:76px;align-items:center;}
.split:last-child{margin-bottom:0;}
.split-text h3{margin-bottom:14px;}
.split-text .lead-sm{font-size:15.5px;color:var(--muted);margin-bottom:20px;}
.tick-list{list-style:none;}
.tick-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:15.5px;
}
.tick-list li:last-child{border-bottom:0;}
.tick-list i{color:var(--brand);font-size:14px;margin-top:6px;flex:0 0 auto;}
.tick-list strong{display:inline;}
.split-media{position:relative;}
.split-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line-2);background:var(--bg-alt);box-shadow:var(--shadow);
  transition:transform 300ms var(--ease),box-shadow 300ms var(--ease);
}
.split-media:hover img{transform:scale(1.02);box-shadow:var(--shadow-hover);}
.split-media::before{
  content:"";position:absolute;inset:-14px -14px auto auto;width:120px;height:120px;border-radius:28px;
  background:var(--grad-soft);z-index:-1;
}
.media-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);
  border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;
  font-size:13px;font-weight:600;color:var(--ink);box-shadow:var(--shadow);
  display:inline-flex;align-items:center;gap:8px;
}
.media-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);}

/* ===== 特性卡（两列） ===== */
.feature-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.f-card{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--shadow);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFE1D2;}
.f-ico{
  flex:0 0 52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:20px;background:var(--grad-soft);color:var(--brand-3);
}
.f-card:nth-child(2) .f-ico{color:var(--brand);}
.f-card:nth-child(3) .f-ico{color:var(--teal);}
.f-card:nth-child(4) .f-ico{color:var(--brand-2);}
.f-card h3{font-size:18px;margin-bottom:8px;}
.f-card p{font-size:14.5px;line-height:26px;color:var(--muted);margin:0;}

/* ===== 功能一览表 ===== */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.func-table{width:100%;border-collapse:collapse;min-width:680px;margin:0;}
.func-table caption{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
.func-table thead th{
  background:var(--bg-alt);color:var(--ink);font-weight:700;font-size:13.5px;letter-spacing:.03em;
  padding:16px 22px;text-align:left;border-bottom:1px solid var(--line-2);white-space:nowrap;
}
.func-table td{
  padding:18px 22px;font-size:14.8px;line-height:26px;color:var(--text);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.func-table tbody tr:last-child td{border-bottom:0;}
.func-table tbody tr{transition:background 180ms var(--ease);}
.func-table tbody tr:hover{background:#FFFBF8;}
.func-table td:first-child{font-weight:700;color:var(--ink);}
.chip{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;
  background:rgba(20,184,166,.12);color:#0E8E82;line-height:20px;
}
.chip-purple{background:rgba(124,77,255,.12);color:#5B32D6;}
.chip-orange{background:rgba(255,106,43,.13);color:#D9531B;}

/* ===== 玩法回合 ===== */
.rounds{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.round{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--shadow);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.round:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.round-num{
  display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;
  border-radius:16px;background:var(--grad-soft);color:var(--brand-3);
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.round h3{font-size:18px;margin-bottom:10px;}
.round p{font-size:14.5px;line-height:26px;color:var(--muted);margin:0;}
.round::after{
  content:"";position:absolute;top:53px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,#FFD9C6,#E8E2F2);
}
.round:last-child::after{display:none;}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-accordion{margin:0;background:transparent;list-style:none;border:0;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:18px;background:#fff;margin-bottom:14px;
  overflow:hidden;transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-accordion .accordion-item.is-active{border-color:#FFDCC8;box-shadow:var(--shadow);}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  position:relative;padding:20px 24px 20px 28px;
  font-size:16.5px;font-weight:700;color:var(--ink);border:0;background:transparent;
}
.faq-accordion .accordion-title:hover{color:var(--brand);}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:0;border-radius:0 4px 4px 0;background:var(--grad);
  transition:height 220ms var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{height:58%;}
.faq-accordion .accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--muted);transition:transform 220ms var(--ease),color 220ms var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--brand);}
.faq-accordion .accordion-content{
  padding:0 28px 22px;border:0;background:transparent;
  font-size:15px;line-height:28px;color:var(--text);display:none;
}
.faq-accordion .accordion-item.is-active .accordion-content{display:block;}
.faq-accordion .accordion-title{padding-right:24px;}

/* ===== CTA ===== */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;padding:64px;
  background:var(--grad);color:#fff;box-shadow:0 20px 50px rgba(255,61,127,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-card::before{
  content:"";position:absolute;right:120px;bottom:-120px;width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-grid{position:relative;z-index:1;align-items:center;}
.cta-card h2{color:#fff;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.92);font-size:16px;line-height:28px;margin:0;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ===== 页脚 ===== */
.site-footer{background:#1C1622;color:#B7AFC2;padding:72px 0 0;margin-top:96px;}
.footer-grid{padding-bottom:48px;}
.footer-col{padding-bottom:24px;}
.brand-footer .brand-text{color:#fff;}
.footer-col p{font-size:14px;line-height:26px;color:#9A93A6;margin:0 0 14px;}
.feedback-note{
  display:inline-block;font-size:12.5px;color:#C9C1D2;background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-pill);padding:6px 14px;margin:0;
}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.footer-links{list-style:none;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:#B7AFC2;display:inline-flex;align-items:center;gap:8px;}
.footer-links a:hover{color:#fff;}
.footer-links a i{font-size:11px;color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:#8A8296;margin:0;}

/* ===== 响应式 ===== */
@media screen and (max-width:75em){
  .container{padding:0 22px;}
}
@media screen and (max-width:64em){
  :root{--nav-h:68px;}
  .nav-pill{display:none;}
  .hamburger{display:grid;}
  .nav-inner{justify-content:space-between;}
  .section{padding:72px 0;}
  .section-head{margin-bottom:40px;}
  .split{margin-bottom:56px;}
  .feature-cards{grid-template-columns:1fr;}
  .rounds{grid-template-columns:repeat(2,1fr);}
  .round::after{display:none;}
  .cta-card{padding:48px 36px;}
  .cta-actions{justify-content:flex-start;margin-top:26px;}
  .cat-hero{padding:36px 0 66px;}
}
@media screen and (max-width:48em){
  h1{font-size:30px;line-height:40px;}
  h2{font-size:23px;line-height:32px;}
  .cat-hero .hero-lead{font-size:15.5px;line-height:28px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:18px 8px;}
  .stats li:nth-child(2){border-right:0;}
  .stats li:nth-child(1),.stats li:nth-child(2){border-bottom:1px solid var(--line);padding-bottom:18px;}
  .stats li:nth-child(3),.stats li:nth-child(4){padding-top:6px;}
  .rounds{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;padding-top:52px;}
}
@media screen and (max-width:40em){
  .container{padding:0 18px;}
  .grid-padding-x{margin-left:-10px;margin-right:-10px;}
  .grid-padding-x>.cell{padding-left:10px;padding-right:10px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:22px;line-height:30px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .stat-strip{margin-top:-28px;}
  .stats{padding:22px 6px;}
  .stats strong{font-size:27px;}
  .f-card{flex-direction:column;gap:16px;padding:22px;}
  .cta-card{padding:36px 22px;border-radius:24px;}
  .faq-accordion .accordion-title{padding:18px 18px 18px 22px;font-size:15.5px;}
  .faq-accordion .accordion-content{padding:0 22px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --brand:#FF6A2B;
  --brand-soft:rgba(255,106,43,.12);
  --pink:#FF3D7F;
  --violet:#7C4DFF;
  --violet-soft:rgba(124,77,255,.12);
  --teal:#14B8A6;
  --grad:linear-gradient(102deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  --grad-soft:linear-gradient(102deg,#FFE9DC 0%,#FFDFEA 52%,#E6DCFF 100%);
  --bg:#FFF9F5;
  --bg-alt:#F4F0FF;
  --card:#FFFFFF;
  --ink:#1C1622;
  --ink-2:#524A5C;
  --ink-3:#8A8296;
  --line:#EFE7E0;
  --line-2:#E8E2F2;
  --shadow:0 6px 24px rgba(28,22,34,.06);
  --shadow-hover:0 14px 36px rgba(255,106,43,.16);
  --r-xl:32px;
  --r-lg:28px;
  --r:24px;
  --r-img:20px;
  --r-in:14px;
  --r-pill:999px;
  --ease:cubic-bezier(.2,.8,.2,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--ink-2);
  background:var(--bg);
}
h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote,dl,dt,dd{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{cursor:pointer;border:0;background:none}
table{border-collapse:collapse}
:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;border-radius:6px}
h1,h2,h3{color:var(--ink);letter-spacing:-.01em}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(28,22,34,.08);background:rgba(255,255,255,.96)}
.header-inner{display:flex;align-items:center;gap:20px;height:78px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;font-weight:800;font-size:17px;color:var(--ink);letter-spacing:-.01em}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,106,43,.28);
  transition:transform .2s var(--ease);
}
.logo:hover .logo-mark{transform:rotate(-6deg) scale(1.04)}
.logo-mark svg{width:20px;height:20px}
.nav-pill{
  display:flex;align-items:center;gap:2px;margin-left:auto;
  padding:6px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);box-shadow:var(--shadow);
}
.nav-pill a{
  padding:10px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-pill a:hover{color:var(--brand);background:var(--brand-soft)}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(255,61,127,.28)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:grid;place-items:center;font-size:15px;
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,106,43,.42);box-shadow:var(--shadow)}
.icon-btn:active{transform:translateY(1px)}
.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;line-height:1;border:1.5px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,61,127,.26)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,106,43,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;color:var(--brand);border-color:rgba(255,106,43,.5)}
.btn-secondary:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-secondary:active{transform:translateY(1px)}
.hamburger{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--ink);place-items:center;font-size:16px}
.hamburger:hover{border-color:rgba(255,106,43,.42);color:var(--brand)}
.search-bar{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:14px 0;
}
.search-bar.is-open{display:block}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input{
  flex:1;height:48px;padding:0 18px;border-radius:var(--r-in);
  border:1px solid var(--line);background:var(--bg);color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.search-tip{font-size:13px;color:var(--ink-3);margin-top:10px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(28,22,34,.45);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:80;padding:22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .28s var(--ease);
  box-shadow:-20px 0 60px rgba(28,22,34,.18);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-weight:800;color:var(--ink)}
.drawer-link{padding:14px 16px;border-radius:16px;font-weight:600;color:var(--ink-2);border:1px solid transparent}
.drawer-link:hover{background:var(--bg-alt);color:var(--brand)}
.drawer-link.active{background:var(--grad);color:#fff}
.drawer-cta{margin-top:14px;width:100%}
.drawer-note{font-size:13px;line-height:22px;color:var(--ink-3);margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(100deg,rgba(255,249,245,.97) 0%,rgba(255,249,245,.9) 44%,rgba(244,240,255,.6) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:52px 0 58px;
}
.page-hero::after{
  content:'';position:absolute;right:-70px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:var(--grad);opacity:.14;filter:blur(6px);pointer-events:none;
}
.hero-inner{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.6}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--violet-soft);color:#5B34D6;
  font-size:13px;font-weight:600;
}
.page-hero h1{
  margin-top:18px;font-size:40px;line-height:48px;font-weight:800;max-width:860px;
}
.hero-lead{margin-top:16px;font-size:17px;line-height:30px;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  position:relative;padding-left:24px;
  font-size:28px;line-height:36px;font-weight:700;
}
.section-head h2::before{
  content:'';position:absolute;left:0;top:7px;width:6px;height:22px;
  border-radius:var(--r-pill);background:var(--grad);
}
.section-head p{margin-top:14px;font-size:15.5px;line-height:28px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.steps::before{
  content:'';position:absolute;left:9%;right:9%;top:50px;height:2px;
  background:linear-gradient(90deg,rgba(255,106,43,.45),rgba(124,77,255,.4));z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:28px;
  box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.35)}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
  box-shadow:0 8px 20px rgba(255,61,127,.26);
}
.step h3{font-size:18px;line-height:26px;font-weight:700;margin-bottom:10px}
.step p{font-size:14.5px;line-height:25px}

/* ---------- grid helper ---------- */
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x > .cell{padding-left:12px;padding-right:12px}

/* ---------- note list + figure ---------- */
.note-item{
  display:flex;gap:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r);padding:22px;
  box-shadow:var(--shadow);margin-bottom:18px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.note-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.3)}
.note-idx{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  background:var(--bg-alt);color:var(--violet);
  display:grid;place-items:center;font-weight:800;font-variant-numeric:tabular-nums;
}
.note-item h3{font-size:17px;line-height:26px;font-weight:700;margin-bottom:6px}
.note-item p{font-size:14.5px;line-height:25px}
.note-figure{margin-top:8px;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.note-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r)}
.figure-cap{font-size:13px;line-height:20px;color:var(--ink-3);padding:12px 4px 0}

/* ---------- quick card ---------- */
.quick-card{
  position:sticky;top:104px;background:var(--card);
  border:1px solid var(--line-2);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:28px;
}
.quick-card h3{font-size:18px;line-height:26px;font-weight:700}
.qc-sub{font-size:13px;color:var(--ink-3);margin-top:6px;margin-bottom:18px}
.status-pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;
  border-radius:var(--r-pill);background:rgba(20,184,166,.12);color:#0F766E;
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.18)}
.qc-row{display:flex;justify-content:space-between;gap:12px;padding:14px 0;border-top:1px dashed var(--line-2);font-size:14px}
.qc-row:first-of-type{border-top:0}
.qc-row dt{color:var(--ink-3);flex:0 0 auto}
.qc-row dd{color:var(--ink);font-weight:600;text-align:right}
.quick-card .btn{width:100%;margin-top:20px}

/* ---------- check list ---------- */
.check-row{
  display:flex;align-items:flex-start;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:22px 24px;margin-bottom:14px;box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.check-row:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:rgba(255,106,43,.3)}
.check-ico{
  flex:0 0 auto;width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:14px;box-shadow:0 6px 16px rgba(255,61,127,.22);
}
.check-row h3{font-size:16.5px;line-height:26px;font-weight:700;margin-bottom:6px}
.check-row p{font-size:14.5px;line-height:25px}

/* ---------- faq ---------- */
.faq-wrap{max-width:920px}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:20px;margin-bottom:14px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .2s var(--ease);
}
.faq-item:hover{border-color:rgba(124,77,255,.28)}
.faq-item[open]{border-color:rgba(255,106,43,.35);box-shadow:var(--shadow)}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 64px 22px 28px;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--bg-alt);color:var(--violet);
  display:grid;place-items:center;font-size:18px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary::after{content:'−';background:var(--grad);color:#fff}
.faq-body{padding:0 28px 24px;font-size:15px;line-height:28px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad-soft);border:1px solid var(--line-2);
  border-radius:var(--r-xl);padding:64px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::after{
  content:'';position:absolute;right:-50px;bottom:-70px;width:230px;height:230px;
  border-radius:50%;background:var(--grad);opacity:.18;pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:560px}
.cta-copy h2{font-size:28px;line-height:36px;font-weight:700}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:28px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:#1C1622;color:#B9B1C6;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:26px;max-width:320px}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:#B9B1C6}
.footer-links a:hover{color:#FF9A5C}
.footer-quote{
  padding:16px 18px;border-radius:16px;margin-bottom:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);
  font-size:13.5px;line-height:24px;color:#CFC7DA;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;align-items:center;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8A8296;
}
.footer-bottom a{color:#8A8296}
.footer-bottom a:hover{color:#FF9A5C}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .nav-pill{display:none}
  .hamburger{display:grid}
  .header-cta{display:none}
  .header-inner{height:70px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .quick-card{position:static;margin-top:28px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media screen and (max-width:767px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px;line-height:30px;padding-left:18px}
  .section-head h2::before{height:18px;top:5px;width:5px}
  .page-hero{padding:40px 0 44px}
  .page-hero h1{font-size:28px;line-height:38px}
  .hero-lead{font-size:15.5px;line-height:27px}
  .hero-actions .btn{flex:1 1 auto}
  .cta-band{padding:36px 26px;flex-direction:column;align-items:flex-start;gap:26px}
  .cta-copy h2{font-size:22px;line-height:30px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .site-footer{padding-top:56px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .steps{grid-template-columns:1fr}
  .step{padding:22px}
  .note-item{padding:20px;gap:12px}
  .quick-card{padding:22px}
  .faq-item summary{padding:18px 56px 18px 20px;font-size:15.5px}
  .faq-body{padding:0 20px 20px;font-size:14.5px;line-height:26px}
  .check-row{padding:18px 18px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .search-form{flex-direction:column;align-items:stretch}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --brand:#FF6A2B;
  --brand-2:#FF3D7F;
  --brand-3:#7C4DFF;
  --teal:#14B8A6;
  --bg:#FFF9F5;
  --bg-alt:#F4F0FF;
  --white:#FFFFFF;
  --ink:#1C1622;
  --body:#524A5C;
  --muted:#8A8296;
  --line:#EFE7E0;
  --line-2:#E8E2F2;
  --grad:linear-gradient(102deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  --grad-soft:linear-gradient(102deg,rgba(255,138,61,.12) 0%,rgba(255,61,127,.12) 55%,rgba(124,77,255,.12) 100%);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:24px;
  --r-img:20px;
  --r-input:14px;
  --r-pill:999px;
  --sh:0 6px 24px rgba(28,22,34,.06);
  --sh-hover:0 14px 36px rgba(255,106,43,.16);
  --t:200ms cubic-bezier(.2,.8,.2,1);
  --container:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;font-weight:700;}
h1{font-size:40px;line-height:48px;font-weight:800;}
h2{font-size:28px;line-height:36px;}
h3{font-size:20px;line-height:28px;}
p{margin:0 0 12px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
time{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(255,106,43,.35);outline-offset:2px;border-radius:8px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 通用动效 ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s cubic-bezier(.2,.8,.2,1);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t),filter var(--t);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,61,127,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 14px 30px rgba(255,61,127,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(255,61,127,.24);}
.btn-secondary{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-secondary:hover{color:var(--brand);background:#FFF3EC;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.14);}
.btn-secondary:active{transform:translateY(1px);}
.btn-light{background:#fff;color:#DE3A6C;font-weight:700;box-shadow:0 8px 20px rgba(28,22,34,.12);}
.btn-light:hover{color:#C92E5E;transform:translateY(-1px);box-shadow:0 14px 28px rgba(28,22,34,.18);}
.btn-light:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;height:auto;padding:4px 0;color:var(--brand);font-weight:600;font-size:15px;}
.btn-ghost .arrow{transition:transform var(--t);}
.btn-ghost:hover{color:var(--brand-2);}
.btn-ghost:hover .arrow{transform:translateX(5px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(28,22,34,.08);background:rgba(255,255,255,.94);}
.nav-inner{display:flex;align-items:center;gap:24px;height:76px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,61,127,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);}
.brand:hover .brand-text{color:var(--brand);}
.nav-pill{
  display:flex;align-items:center;gap:4px;margin:0 auto;
  padding:6px;border-radius:var(--r-pill);
  background:#F7F3FF;border:1px solid var(--line-2);
}
.nav-pill a{
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--body);
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.nav-pill a:hover{color:var(--ink);background:rgba(255,255,255,.92);}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(255,61,127,.26);}
.nav-pill a.active:hover{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--body);
  display:grid;place-items:center;
  transition:color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);box-shadow:0 8px 20px rgba(255,106,43,.16);transform:translateY(-1px);}
.icon-btn svg{width:18px;height:18px;}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;
  transition:border-color var(--t),box-shadow var(--t);
}
.menu-toggle:hover{border-color:var(--brand);box-shadow:0 8px 20px rgba(255,106,43,.14);}
.menu-toggle svg{width:20px;height:20px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 24px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a.m-drawer-link{
  display:block;padding:15px 4px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-drawer a.m-drawer-link.active{color:var(--brand);}
.mobile-drawer .m-cta{display:block;margin-top:20px;}
.mobile-drawer .m-cta .btn{width:100%;}

/* ============ 窄版 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:290px;display:flex;align-items:center;
  padding:56px 0;
  background:
    radial-gradient(900px 320px at 82% -20%,rgba(124,77,255,.14),transparent 70%),
    radial-gradient(760px 300px at 8% 0%,rgba(255,106,43,.14),transparent 70%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:var(--grad);opacity:.08;filter:blur(6px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:20px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.hero-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--r-pill);
  background:rgba(20,184,166,.1);
  border:1px solid rgba(20,184,166,.25);
  color:#0E8C7F;font-size:13px;font-weight:600;line-height:1;
}
.hero-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(20,184,166,.18);}
.page-hero h1{max-width:820px;}
.page-hero .hero-lede{max-width:720px;margin-top:16px;font-size:17px;line-height:30px;color:var(--body);}

/* ============ 板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:56px 0 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;margin-bottom:14px;padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(124,77,255,.1);color:#5B32D6;
  font-size:12.5px;font-weight:600;line-height:18px;letter-spacing:.02em;
}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:14px;font-size:16px;line-height:28px;color:var(--body);}

/* ============ 数据徽章带 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.stat-card{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.stat-num{
  flex:0 0 auto;font-size:34px;line-height:1;font-weight:800;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-text strong{display:block;font-size:15px;line-height:24px;color:var(--ink);}
.stat-text span{display:block;font-size:13px;line-height:20px;color:var(--muted);}

/* ============ 时间线 ============ */
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:14px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#FF8A3D 0%,#FF3D7F 55%,#7C4DFF 100%);
  opacity:.35;
}
.timeline-item{position:relative;padding:0 0 40px 60px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:7px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--brand);
  box-shadow:0 0 0 4px rgba(255,106,43,.12);
}
.timeline-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:14px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
  background:rgba(255,106,43,.1);color:#D9521A;
}
.tag.tag-purple{background:rgba(124,77,255,.1);color:#5B32D6;}
.tag.tag-teal{background:rgba(20,184,166,.12);color:#0E8C7F;}
.timeline-date{font-size:13px;line-height:20px;color:var(--muted);font-variant-numeric:tabular-nums;}
.timeline-card{
  display:grid;grid-template-columns:1.35fr .85fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t);
}
.timeline-item:hover .timeline-card{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.timeline-card-body{padding:28px;}
.timeline-card-body h3{margin-bottom:10px;}
.timeline-card-body > p{font-size:15px;line-height:26px;color:var(--body);}
.timeline-card-media{position:relative;min-height:220px;background:var(--bg-alt);overflow:hidden;}
.timeline-card-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.timeline-item:hover .timeline-card-media img{transform:scale(1.03);}
.dot-list{margin-top:14px;}
.dot-list li{position:relative;padding-left:18px;font-size:14.5px;line-height:26px;color:var(--body);}
.dot-list li + li{margin-top:2px;}
.dot-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}

/* ============ 要点行卡 ============ */
.note-list{display:grid;gap:16px;}
.note-row{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px 26px 34px;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.note-row::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.note-row:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F7DCCB;}
.note-index{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:30px;padding:0 10px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);color:var(--brand-3);
  font-size:13px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;
}
.note-row h3{font-size:18px;line-height:26px;margin-bottom:8px;}
.note-row p{font-size:15px;line-height:26px;color:var(--body);}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F7DCCB;}
.topic-media{position:relative;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--t);}
.topic-card:hover .topic-media img{transform:scale(1.03);}
.chip-float{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
  background:rgba(255,255,255,.94);color:var(--brand);
  box-shadow:0 4px 14px rgba(28,22,34,.1);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.topic-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.topic-body h3{font-size:18px;line-height:27px;}
.topic-body p{font-size:14.5px;line-height:25px;color:var(--body);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.topic-foot{margin-top:auto;padding-top:6px;}
.topic-foot .btn-ghost{font-size:14px;}

/* ============ 订阅 CTA ============ */
.cta-band{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  padding:64px;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;
  box-shadow:0 24px 60px rgba(255,61,127,.26);
}
.cta-card::before{content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;border-radius:50%;background:rgba(255,255,255,.14);}
.cta-card::after{content:"";position:absolute;left:-60px;bottom:-110px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.1);}
.cta-copy,.cta-form-wrap{position:relative;z-index:1;}
.cta-card h2{color:#fff;font-size:30px;line-height:38px;}
.cta-card .cta-lede{margin-top:14px;font-size:15.5px;line-height:27px;color:rgba(255,255,255,.92);max-width:520px;}
.cta-form{
  display:flex;align-items:center;gap:10px;
  padding:8px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.34);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.cta-form input{
  flex:1;min-width:0;height:48px;padding:0 20px;
  border:1px solid transparent;border-radius:var(--r-pill);
  background:transparent;color:#fff;font-size:15px;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.cta-form input::placeholder{color:rgba(255,255,255,.78);}
.cta-form input:focus{outline:none;background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.7);box-shadow:0 0 0 3px rgba(255,255,255,.24);}
.cta-hint{margin-top:14px;font-size:13px;line-height:20px;color:rgba(255,255,255,.82);}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:24px;color:var(--muted);max-width:320px;}
.footer-col h3{font-size:14px;line-height:22px;font-weight:700;color:var(--ink);margin-bottom:16px;letter-spacing:.02em;}
.footer-col li + li{margin-top:10px;}
.footer-col a{font-size:14.5px;line-height:22px;color:var(--body);}
.footer-col a:hover{color:var(--brand);}
.footer-col .footer-note{font-size:13.5px;line-height:22px;color:var(--muted);margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;line-height:20px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-pill{display:none;}
  .menu-toggle{display:grid;}
  .nav-actions .icon-btn{display:none;}
  .nav-inner{gap:16px;}
  h1{font-size:34px;line-height:42px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .timeline-card{grid-template-columns:1fr;}
  .timeline-card-media{order:-1;min-height:210px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:48px;}
  .cta-card h2{font-size:26px;line-height:34px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  h1{font-size:28px;line-height:36px;}
  h2{font-size:22px;line-height:30px;}
  .page-hero{min-height:240px;padding:40px 0;}
  .page-hero .hero-lede{font-size:15.5px;line-height:27px;}
  .section{padding:60px 0;}
  .section-tight{padding:44px 0 0;}
  .section-head{margin-bottom:32px;}
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .stat-card{padding:20px 22px;}
  .timeline::before{left:8px;}
  .timeline-item{padding:0 0 32px 40px;}
  .timeline-item::before{left:1px;width:14px;height:14px;border-width:3px;}
  .timeline-card-body{padding:20px;}
  .note-row{grid-template-columns:1fr;gap:12px;padding:22px 22px 22px 26px;}
  .note-row::before{top:18px;bottom:18px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:0 0 64px;}
  .cta-card{padding:36px 24px;border-radius:var(--r-lg);}
  .cta-form{flex-direction:column;align-items:stretch;border-radius:var(--r-md);padding:12px;}
  .cta-form input{width:100%;padding:0 16px;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{margin-top:32px;flex-direction:column;}
}
@media (max-width:520px){
  .nav-inner{height:68px;}
  .brand-text{font-size:16px;}
  .nav-actions .btn-primary{display:none;}
  h1{font-size:26px;line-height:34px;}
  .page-hero h1{max-width:100%;}
  .timeline-meta{gap:8px;}
  .stat-num{font-size:30px;}
  .cta-card h2{font-size:23px;line-height:31px;}
}