/* roulang page: index */
:root{
  --primary:#FF6A18;
  --primary-deep:#E8570A;
  --cyan:#16C8B8;
  --ink:#0E1013;
  --ink-2:#171A20;
  --warm:#F7F5F2;
  --text:#1B1E24;
  --muted:#5A6068;
  --line:rgba(14,16,19,.06);
  --line-dark:rgba(255,255,255,.10);
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --danger:#E5484D;
  --warn:#F5A524;
  --success:#16C8B8;
  --r-card:20px;
  --r-btn:14px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,16,19,.08);
  --sh-2:0 18px 44px rgba(255,106,24,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--warm);
  font-feature-settings:"tnum" 1;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.22;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-dark{background:var(--ink);color:#EDEEF1;}
.section-dark .lead,.section-dark p{color:rgba(237,238,241,.72);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--primary);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);}
.section-head .lead{margin-top:12px;color:var(--muted);max-width:640px;}
.more-link{
  flex:none;font-size:14px;font-weight:700;color:var(--primary);
  display:inline-flex;align-items:center;gap:6px;transition:gap .22s var(--ease),color .22s var(--ease);
}
.more-link:hover{gap:12px;color:var(--primary-deep);}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;pointer-events:none;}
.nav-shell{
  pointer-events:auto;
  max-width:1200px;margin:0 auto;
  height:64px;padding:0 10px 0 22px;
  display:flex;align-items:center;gap:18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,242,.74);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 6px 22px rgba(14,16,19,.07);
  transition:height .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.site-header.is-stuck .nav-shell{
  height:58px;
  background:rgba(247,245,242,.92);
  box-shadow:0 14px 38px rgba(14,16,19,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:15px;
  box-shadow:0 6px 16px rgba(255,106,24,.32);flex:none;
}
.brand-text{font-size:15.5px;font-weight:900;letter-spacing:-.01em;white-space:nowrap;}
.brand-text span{color:var(--primary);}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-list a{
  position:relative;display:block;
  padding:9px 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:#3A4048;
  transition:color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.nav-list a:hover{color:var(--primary);background:rgba(255,106,24,.08);}
.nav-list a.active{color:var(--primary);}
.nav-list a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:3px;
  border-radius:2px;background:var(--grad);
}
.nav-cta{
  flex:none;margin-left:8px;
  display:inline-flex;align-items:center;gap:7px;
  height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,61,127,.26);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,127,.34);}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border:0;border-radius:14px;
  background:rgba(14,16,19,.06);cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#252A31;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#252A31;border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  display:none;pointer-events:auto;
  max-width:1200px;margin:10px auto 0;
  background:rgba(247,245,242,.97);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.6);
  border-radius:24px;padding:10px;
  box-shadow:0 20px 46px rgba(14,16,19,.16);
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 18px;border-radius:16px;
  font-size:16px;font-weight:600;color:#2B3138;
}
.nav-drawer a:hover,.nav-drawer a.active{background:rgba(255,106,24,.10);color:var(--primary);}

/* ============ Hero ============ */
.hero{
  position:relative;padding:158px 0 0;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -6%, rgba(255,106,24,.14), transparent 62%),
    radial-gradient(700px 380px at -8% 22%, rgba(22,200,184,.14), transparent 60%),
    var(--warm);
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.7);
  border:1px solid rgba(255,106,24,.28);
  font-size:13.5px;font-weight:700;color:var(--primary-deep);
  box-shadow:0 6px 18px rgba(255,106,24,.10);
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,200,184,.18);}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,5vw,56px);line-height:1.15;font-weight:900;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.8;color:var(--muted);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:52px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,106,24,.28);}
.btn-primary:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.btn-ghost{background:#fff;color:var(--text);border-color:rgba(14,16,19,.10);box-shadow:var(--sh-1);}
.btn-ghost:hover{transform:translateY(-4px);border-color:rgba(22,200,184,.5);color:var(--primary-deep);}
.btn-soft{background:rgba(255,255,255,.12);color:#fff;border-color:var(--line-dark);}
.btn-soft:hover{background:rgba(255,255,255,.2);transform:translateY(-4px);}
.hero-tagline{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;
  padding:9px 18px;border-radius:var(--r-pill);
  background:rgba(22,200,184,.10);border:1px dashed rgba(22,200,184,.45);
  font-size:13.5px;font-weight:600;color:#0E8A7E;
}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-img);
  box-shadow:0 24px 60px rgba(14,16,19,.16);
  transform:rotate(-1.2deg);
}
.hero-visual::after{
  content:"";position:absolute;inset:auto -18px -18px auto;width:150px;height:150px;
  border-radius:50%;background:var(--grad);filter:blur(48px);opacity:.34;z-index:-1;
}
.hero-float{
  position:absolute;left:-22px;bottom:26px;
  background:rgba(247,245,242,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.7);border-radius:18px;
  padding:14px 18px;box-shadow:var(--sh-1);
}
.hero-float b{display:block;font-size:22px;font-weight:900;letter-spacing:.02em;font-variant-numeric:tabular-nums;}
.hero-float small{font-size:12.5px;color:var(--muted);}

.badge-band{
  margin-top:62px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.badge-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.badge-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(22,200,184,.35);}
.badge-item .num{
  font-size:34px;font-weight:900;letter-spacing:.02em;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-item .num sup{font-size:16px;font-weight:800;}
.badge-item .lbl{font-size:13.5px;color:var(--muted);margin-top:4px;display:flex;align-items:center;gap:7px;}
.badge-item .lbl::before{content:"";width:14px;height:2px;border-radius:2px;background:var(--cyan);}

/* ============ 理念 / 时间线 ============ */
.story-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.story-copy p{color:var(--muted);margin-bottom:18px;}
.story-copy p:last-child{margin-bottom:0;}
.story-copy strong{color:var(--text);font-weight:800;}
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(255,106,24,.8),rgba(22,200,184,.25));
  border-radius:2px;
}
.timeline li{position:relative;padding:0 0 26px 0;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);
}
.timeline li:nth-child(even)::before{border-color:var(--cyan);}
.timeline h4{font-size:16px;}
.timeline span{font-size:13px;color:var(--muted);display:block;margin-top:4px;}

/* ============ 精选内容 ============ */
.feature-grid{
  display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:repeat(2,minmax(0,1fr));
  gap:22px;
}
.feature-main{grid-row:span 2;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.24);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;border-radius:0;transition:transform .5s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.feature-main .card-media img{aspect-ratio:16/9;}
.feature-side .card-media img{aspect-ratio:16/10;}
.card-body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.pill{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,106,24,.12);color:var(--primary-deep);
}
.pill-cyan{background:rgba(22,200,184,.14);color:#0E8A7E;}
.pill-dark{background:rgba(255,255,255,.08);color:rgba(255,255,255,.86);border:1px solid var(--line-dark);}
.card h3{font-size:19px;}
.feature-main h3{font-size:24px;}
.card p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:14px;border-top:1px dashed rgba(14,16,19,.10);
}
.card-meta .arrow{color:var(--primary);font-weight:800;transition:transform .22s var(--ease);display:inline-block;}
.card:hover .card-meta .arrow{transform:translateX(5px);}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh-1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.24);}
.news-card .card-media img{aspect-ratio:16/10;border-radius:0;transition:transform .5s var(--ease);}
.news-card:hover .card-media img{transform:scale(1.04);}
.news-card .card-body{padding:22px 22px 20px;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed rgba(14,16,19,.14);border-radius:var(--r-card);
}
.empty-state .empty-art{
  width:96px;height:96px;margin:0 auto 18px;border-radius:26px;
  background:linear-gradient(135deg,rgba(255,106,24,.14),rgba(22,200,184,.16));
  display:grid;place-items:center;color:var(--primary);font-size:34px;font-weight:900;
}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ============ 信任背书 ============ */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:46px;}
.trust-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:26px;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.trust-card:hover{border-color:rgba(22,200,184,.5);transform:translateY(-4px);}
.trust-card .num{font-size:40px;font-weight:900;letter-spacing:.02em;font-variant-numeric:tabular-nums;color:#fff;}
.trust-card .num sup{font-size:18px;color:var(--cyan);}
.trust-card h4{font-size:16px;margin:10px 0 8px;color:#fff;}
.trust-card p{font-size:14px;color:rgba(237,238,241,.66);}
.logo-rail{
  display:flex;gap:14px;overflow-x:auto;padding:6px 2px 14px;
  scrollbar-width:thin;
}
.logo-rail .logo-item{
  flex:0 0 auto;min-width:170px;height:64px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  color:rgba(237,238,241,.62);font-size:14px;font-weight:700;letter-spacing:.04em;
  filter:grayscale(1);transition:filter .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.logo-rail .logo-item:hover{filter:grayscale(0);color:#fff;border-color:rgba(255,106,24,.5);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:rgba(255,106,24,.34);box-shadow:0 14px 34px rgba(255,106,24,.12);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:700;line-height:1;
  background:rgba(255,106,24,.12);color:var(--primary);
  transition:transform .24s var(--ease),background .24s var(--ease),color .24s var(--ease);
}
.faq-item.open .faq-icon{background:var(--grad);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;padding:46px;
  background:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  color:#fff;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  box-shadow:0 24px 60px rgba(255,61,127,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.16);filter:blur(6px);
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.9);font-size:15px;}
.cta-form{position:relative;z-index:1;display:flex;flex-direction:column;gap:10px;}
.cta-input-wrap{
  display:flex;align-items:center;gap:8px;
  background:#fff;border-radius:var(--r-btn);padding:4px;
  box-shadow:0 12px 30px rgba(14,16,19,.16);
}
.cta-input-wrap input{
  flex:1;height:48px;border:0;outline:none;background:transparent;
  padding:0 16px;color:var(--text);font-size:15px;border-radius:12px;
}
.cta-input-wrap input::placeholder{color:#9AA0A8;}
.cta-input-wrap button{
  flex:none;height:48px;padding:0 24px;border:0;border-radius:12px;cursor:pointer;
  background:var(--ink);color:#fff;font-weight:700;font-size:15px;
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.cta-input-wrap button:hover{background:#252A31;transform:translateX(2px);}
.cta-hint{font-size:13px;color:rgba(255,255,255,.86);}
.cta-hint.ok{color:#E9FFFB;}
.cta-hint.err{color:#FFE3E4;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(237,238,241,.72);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:38px;padding-bottom:46px;}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(237,238,241,.66);max-width:330px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:800;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(237,238,241,.7);transition:color .22s var(--ease),padding-left .22s var(--ease);}
.footer-col a:hover{color:var(--cyan);padding-left:4px;}
.footer-qr{
  width:112px;height:112px;border-radius:16px;
  background:rgba(255,255,255,.06);border:1px dashed var(--line-dark);
  display:grid;place-items:center;font-size:12.5px;color:rgba(237,238,241,.6);text-align:center;
  margin-bottom:14px;padding:10px;line-height:1.5;
}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(237,238,241,.5);flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  :root{--container:1280px;}
}
@media (max-width:1279px){
  .container{padding:0 22px;}
  .hero-grid{gap:36px;}
  .story-grid{gap:40px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-list,.nav-cta{display:none;}
  .nav-toggle{display:grid;}
  .nav-shell{padding:0 10px 0 18px;height:60px;}
  .hero{padding-top:132px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-visual img{transform:none;aspect-ratio:16/10;}
  .hero-float{left:auto;right:16px;bottom:14px;}
  .badge-band{grid-template-columns:repeat(2,1fr);margin-top:44px;}
  .feature-grid{grid-template-columns:1fr;grid-template-rows:none;}
  .feature-main{grid-row:auto;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .story-grid{grid-template-columns:1fr;gap:34px;}
  .trust-grid{grid-template-columns:1fr;gap:16px;}
  .cta-band{grid-template-columns:1fr;gap:26px;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 18px;}
  .hero{padding-top:120px;}
  .hero h1{font-size:clamp(26px,7.4vw,34px);}
  .hero-sub{font-size:15.5px;}
  .badge-band{grid-template-columns:1fr 1fr;gap:12px;}
  .badge-item{padding:16px;}
  .badge-item .num{font-size:26px;}
  .news-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .btn{min-height:48px;width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .cta-input-wrap{flex-direction:column;padding:10px;gap:10px;}
  .cta-input-wrap input{width:100%;text-align:center;}
  .cta-input-wrap button{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15px;padding:18px;}
  .code-block{font-size:12.5px;padding:16px;}
}
@media (max-width:520px){
  .brand-text{font-size:14px;}
  .hero-float{padding:11px 14px;}
  .hero-float b{font-size:18px;}
  .card-body{padding:20px;}
}
.code-block{
  background:var(--ink-2);color:#E6E8EC;border-radius:16px;padding:20px 22px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13.5px;line-height:1.7;
  overflow-x:auto;margin:22px 0;
}
.code-block span{color:var(--cyan);}

/* roulang page: article */
/* ============ 1. 设计变量 ============ */
:root{
  --brand:#FF6A18;
  --brand-2:#FF3D7F;
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --cyan:#16C8B8;
  --danger:#E5484D;
  --warn:#F5A524;
  --ink:#0E1013;
  --ink-2:#171A20;
  --paper:#F7F5F2;
  --white:#ffffff;
  --text:#1B1E24;
  --muted:#5A6068;
  --line:rgba(14,16,19,.06);
  --line-2:rgba(14,16,19,.12);
  --line-d:rgba(255,255,255,.10);
  --glass:rgba(247,245,242,.72);
  --r-card:20px;
  --r-img:16px;
  --r-btn:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,16,19,.08);
  --sh-2:0 18px 44px rgba(255,106,24,.18);
  --sh-3:0 24px 60px rgba(14,16,19,.16);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms;
  --ctn:1200px;
  --sec:88px;
}
/* ============ 2. 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,106,24,.22)}

/* ============ 3. 排版 ============ */
.h1{font-size:clamp(30px,5vw,56px);line-height:1.15;font-weight:900;letter-spacing:-.01em;color:var(--ink)}
.h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--ink)}
.lead{font-size:17px;line-height:1.85;color:var(--muted)}
.muted{color:var(--muted)}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;font-family:"DIN Alternate","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace}

/* ============ 4. 容器 ============ */
.container{width:100%;max-width:var(--ctn);margin:0 auto;padding:0 24px}
@media (min-width:1280px){.container{max-width:1280px}}

/* ============ 5. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),
             background-position var(--t) var(--ease),color var(--t) var(--ease),
             border-color var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);background-size:190% 190%;background-position:0% 50%;
  color:#fff;box-shadow:0 10px 24px rgba(255,106,24,.28);
}
.btn-primary:hover{background-position:100% 50%;box-shadow:var(--sh-2);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,106,24,.12)}
.btn-ghost{background:rgba(255,255,255,.08);border-color:var(--line-d);color:#fff}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}

/* ============ 6. 胶囊与徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;line-height:1;
  background:rgba(255,106,24,.10);color:#C9480A;border:1px solid rgba(255,106,24,.20);
}
.pill-cyan{background:rgba(22,200,184,.12);color:#0E8F84;border-color:rgba(22,200,184,.24)}
.pill-dark{background:rgba(255,255,255,.06);color:#E8E6E2;border-color:var(--line-d)}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:14px 20px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid rgba(22,200,184,.28);
}
.badge b{font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.badge span{font-size:13px;color:rgba(255,255,255,.62)}

/* ============ 7. 顶部悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 24px}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;border-radius:var(--r-pill);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px) saturate(180%);
  backdrop-filter:blur(14px) saturate(180%);
  border:1px solid rgba(255,255,255,.62);
  box-shadow:0 8px 24px rgba(14,16,19,.08);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 12px 0 20px;
  transition:box-shadow var(--t) var(--ease),height var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:58px;background:rgba(247,245,242,.90);
  box-shadow:0 16px 40px rgba(14,16,19,.16);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;
  box-shadow:0 6px 16px rgba(255,106,24,.30);flex-shrink:0;
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.brand-text span{color:var(--brand)}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list a{
  position:relative;padding:10px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:#3C4149;
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-list a:hover{color:var(--brand);background:rgba(255,106,24,.08)}
.nav-list a.active{color:var(--brand);font-weight:700}
.nav-list a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:var(--r-pill);background:var(--grad);
}
.nav-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad);background-size:180% 180%;color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,106,24,.28);white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-position var(--t) var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:var(--sh-2);background-position:100% 50%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line-2);background:#fff;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open i:nth-child(2){opacity:0}
.nav-toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 8. 页面主体偏移 ============ */
main{padding-top:118px}
.page-head{padding:8px 0 0}

/* ============ 9. 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(14,16,19,.22)}
.breadcrumb .current{
  color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 10. 文章头 ============ */
.article-wrap{max-width:760px;margin:0 auto}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{font-size:clamp(27px,3.9vw,42px);line-height:1.22;font-weight:900;color:var(--ink);margin:16px 0 18px;letter-spacing:-.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(14,16,19,.20);flex-shrink:0}
.article-cover{margin:30px 0 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ 11. 正文阅读区 ============ */
.article-body{font-size:16.5px;line-height:1.9;color:#242830}
.article-body > * + *{margin-top:18px}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:clamp(21px,2.5vw,28px);line-height:1.35;font-weight:800;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:5px;border-radius:3px;background:var(--grad);
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:700;color:var(--ink);margin:32px 0 12px}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:24px 0 10px}
.article-body a{color:#C9480A;border-bottom:1px solid rgba(255,106,24,.35)}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;color:#2C313A}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:8px;height:8px;border-radius:3px;
  background:var(--grad);transform:translateY(-50%) rotate(45deg);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.34em;width:18px;height:18px;
  border-radius:6px;background:rgba(255,106,24,.12);color:#C9480A;
  font-size:11.5px;font-weight:800;line-height:18px;text-align:center;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  color:#2C313A;font-size:16px;box-shadow:var(--sh-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0;border:1px solid var(--line);width:100%}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 0 10px}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;line-height:1.7}
.article-body code{
  background:rgba(14,16,19,.06);border-radius:6px;padding:2px 7px;
  font-size:14px;font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  color:#B3400A;
}
.article-body pre{
  background:var(--ink);color:#E8E6E2;border-radius:var(--r-btn);
  padding:20px 22px;overflow-x:auto;font-size:14px;line-height:1.75;
  font-family:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  border:1px solid rgba(255,255,255,.08);
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;background:#fff;border-radius:var(--r-btn);overflow:hidden}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:rgba(14,16,19,.03);font-weight:700;color:var(--ink)}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}

/* ============ 12. 文末标签 ============ */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);
}
.article-tags .label{font-size:13.5px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line-2);font-size:13.5px;font-weight:600;color:#3C4149;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ============ 13. 相关推荐 ============ */
.related{margin-top:var(--sec)}
.related-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;padding-bottom:18px;border-bottom:1px solid var(--line);
}
.related-head .h2{font-size:clamp(20px,2.4vw,26px)}
.related-head .more{font-size:14.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.related-head .more::after{content:"→";transition:transform var(--t) var(--ease)}
.related-head .more:hover::after{transform:translateX(4px)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.rcard{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.24)}
.rcard .thumb{aspect-ratio:16/10;overflow:hidden}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 500ms var(--ease)}
.rcard:hover .thumb img{transform:scale(1.04)}
.rcard .rc-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard h3{font-size:16px;line-height:1.5;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard p{font-size:13.5px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .rc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);padding-top:6px}
.rcard .rc-foot .arrow{color:var(--brand);font-weight:800;transition:transform var(--t) var(--ease)}
.rcard:hover .rc-foot .arrow{transform:translateX(4px)}

/* ============ 14. 返回条 / 空态 ============ */
.back-bar{
  margin-top:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;border-radius:var(--r-card);
  background:rgba(255,255,255,.7);border:1px solid var(--line);
}
.back-bar .txt{font-size:14.5px;color:var(--muted)}
.empty-state{
  margin:20px 0 0;padding:64px 28px;border-radius:var(--r-card);background:#fff;
  border:1px dashed var(--line-2);text-align:center;
}
.empty-state .es-icon{
  width:72px;height:72px;margin:0 auto 20px;border-radius:22px;
  background:var(--grad);opacity:.14;
}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:24px}

/* ============ 15. 底部 CTA 长条 ============ */
.cta-strip{
  margin-top:var(--sec);border-radius:26px;overflow:hidden;position:relative;
  background:var(--ink);padding:44px 46px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  border:1px solid var(--line-d);
}
.cta-strip::before{
  content:"";position:absolute;inset:0;opacity:.5;
  background:radial-gradient(520px 220px at 88% 12%,rgba(255,106,24,.34),transparent 62%),
             radial-gradient(420px 200px at 6% 92%,rgba(22,200,184,.22),transparent 66%);
  pointer-events:none;
}
.cta-strip .cta-left{position:relative;z-index:1;max-width:560px}
.cta-strip h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;color:#fff;line-height:1.35;margin-bottom:10px}
.cta-strip p{font-size:15px;color:rgba(255,255,255,.66);line-height:1.8}
.cta-strip .cta-right{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ============ 16. 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);margin-top:var(--sec);padding:70px 0 0;border-top:1px solid var(--line-d)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.01em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-qr{
  width:112px;height:112px;border-radius:14px;margin-bottom:16px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-d);
  display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.6;
  color:rgba(255,255,255,.55);
}
.footer-bottom{
  border-top:1px solid var(--line-d);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:rgba(255,255,255,.42);
}

/* ============ 17. 响应式 ============ */
@media (max-width:1279px){
  :root{--ctn:1080px;--sec:76px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .site-header{padding:0 16px;top:12px}
  .nav-shell{padding:0 10px 0 16px;height:60px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .nav-list{
    position:fixed;top:84px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px;
    border-radius:24px;background:rgba(247,245,242,.97);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.7);box-shadow:var(--sh-3);
    display:none;
  }
  .nav-list.is-open{display:flex}
  .nav-list a{padding:14px 16px;border-radius:14px;font-size:15.5px;min-height:52px;display:flex;align-items:center}
  .nav-list a.active{background:rgba(255,106,24,.10)}
  .nav-list a.active::after{display:none}
  main{padding-top:104px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  body{font-size:15.5px}
  .article-body{font-size:16px;line-height:1.85}
  .related-grid{grid-template-columns:1fr}
  .cta-strip{padding:32px 24px;border-radius:20px}
  .cta-strip .cta-right{width:100%}
  .cta-strip .cta-right .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .back-bar{padding:18px 20px}
  .breadcrumb .current{max-width:220px}
}
@media (max-width:520px){
  .brand-text{font-size:15px}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:16px}
  .btn{width:100%}
  .article-tags{gap:8px}
}

/* roulang page: category1 */
:root{
  --orange:#FF6A18;
  --pink:#FF3D7F;
  --cyan:#16C8B8;
  --ink:#0E1013;
  --ink-2:#171A20;
  --paper:#F7F5F2;
  --text:#1B1E24;
  --muted:#5A6068;
  --line:rgba(14,16,19,.06);
  --line-strong:rgba(14,16,19,.12);
  --line-dark:rgba(255,255,255,.10);
  --danger:#E5484D;
  --warn:#F5A524;
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --grad-cyan:linear-gradient(135deg,#16C8B8 0%,#0FA79B 100%);
  --r-card:20px;
  --r-btn:14px;
  --r-img:16px;
  --shadow-1:0 8px 24px rgba(14,16,19,.08);
  --shadow-2:0 18px 44px rgba(255,106,24,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:220ms;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),border-color var(--t) var(--ease)}
a:hover{color:var(--orange)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-head p{color:var(--muted);font-size:15px;max-width:640px;margin-top:10px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:13px;letter-spacing:.06em;font-weight:600;
  color:var(--orange);background:rgba(255,106,24,.10);
  border:1px solid rgba(255,106,24,.22);
}
.eyebrow.on-dark{color:#FFD9C2;background:rgba(255,106,24,.16);border-color:rgba(255,106,24,.38)}
.text-link{font-size:14px;font-weight:600;color:var(--orange);display:inline-flex;align-items:center;gap:6px}
.text-link::after{content:"→";transition:transform var(--t) var(--ease)}
.text-link:hover::after{transform:translateX(4px)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  padding:16px 24px;display:flex;justify-content:center;
  pointer-events:none;
}
.nav-shell{
  pointer-events:auto;
  width:100%;max-width:var(--container);
  height:64px;border-radius:999px;
  background:rgba(247,245,242,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(14,16,19,.06);
  box-shadow:0 8px 24px rgba(14,16,19,.08);
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 20px;
  transition:height var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.scrolled .nav-shell{
  height:58px;background:rgba(247,245,242,.92);
  box-shadow:0 14px 34px rgba(14,16,19,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(255,106,24,.32);
}
.brand-text{font-weight:800;font-size:16px;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.brand-text span{color:var(--orange)}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-list a{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:#3A4048;white-space:nowrap;
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-list a:hover{color:var(--orange);background:rgba(255,106,24,.08)}
.nav-list a.active{color:var(--orange);font-weight:700}
.nav-list a.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:22px;height:3px;border-radius:999px;background:var(--grad);
}
.nav-cta{flex:0 0 auto;margin-left:6px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;margin-left:auto;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  border:1px solid var(--line-strong);background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(14,16,19,.55);
  opacity:0;visibility:hidden;transition:opacity var(--t) var(--ease),visibility var(--t) var(--ease);
  -webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.nav-drawer.open{opacity:1;visibility:visible}
.nav-drawer-panel{
  position:absolute;top:0;left:0;right:0;
  background:var(--paper);border-radius:0 0 28px 28px;
  padding:20px 24px 28px;
  transform:translateY(-14px);transition:transform var(--t) var(--ease);
  box-shadow:0 24px 60px rgba(14,16,19,.28);
}
.nav-drawer.open .nav-drawer-panel{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);
  background:#fff;font-size:18px;line-height:1;color:var(--muted);
}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{
  min-height:52px;display:flex;align-items:center;justify-content:space-between;
  padding:0 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
}
.drawer-links a:last-child{border-bottom:0}
.drawer-links a.active{color:var(--orange)}
.drawer-links a::after{content:"→";color:var(--muted);font-weight:400}
.drawer-cta{margin-top:16px;display:block;width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-position var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
  will-change:transform;
}
.btn-primary{background:var(--grad);background-size:150% 150%;background-position:0% 50%;color:#fff;box-shadow:0 10px 26px rgba(255,61,127,.28)}
.btn-primary:hover{color:#fff;background-position:100% 50%;transform:translateY(-3px);box-shadow:0 18px 40px rgba(255,106,24,.32)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line-strong)}
.btn-ghost:hover{color:var(--orange);border-color:rgba(255,106,24,.45);transform:translateY(-3px);box-shadow:var(--shadow-1)}
.btn-ghost.on-dark{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost.on-dark:hover{color:#fff;border-color:var(--cyan);background:rgba(22,200,184,.14)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:150px 0 0;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,16,19,.95) 0%,rgba(14,16,19,.84) 46%,rgba(14,16,19,.58) 100%);
}
.hero-glow{
  position:absolute;width:620px;height:620px;right:-160px;top:-200px;z-index:1;
  background:radial-gradient(circle,rgba(255,106,24,.42),rgba(255,61,127,.12) 45%,transparent 68%);
  filter:blur(6px);pointer-events:none;
}
.hero-glow.two{
  width:420px;height:420px;left:-140px;top:260px;right:auto;
  background:radial-gradient(circle,rgba(22,200,184,.28),transparent 68%);
}
.cat-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;padding-bottom:64px}
.hero-copy h1{
  font-size:clamp(30px,5vw,56px);line-height:1.15;font-weight:900;
  letter-spacing:-.02em;color:#fff;margin:20px 0 0;
}
.hero-copy h1 em{font-style:normal;color:var(--orange)}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.76);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-chip{
  margin-top:26px;display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;font-size:13.5px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-chip b{color:var(--cyan);font-weight:700}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:var(--r-img);border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 70px rgba(0,0,0,.45);
  transform:rotate(-1.4deg);
}
.hero-media::after{
  content:"";position:absolute;inset:-14px -14px 26px 26px;border-radius:22px;z-index:-1;
  background:linear-gradient(135deg,rgba(255,106,24,.5),rgba(22,200,184,.28));
  filter:blur(30px);opacity:.65;
}
.stat-strip{
  position:relative;z-index:2;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  padding:0 0 56px;
}
.stat{
  padding:18px 22px;border-radius:14px;
  background:rgba(255,255,255,.05);border:1px solid rgba(22,200,184,.32);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.stat:hover{transform:translateY(-4px);border-color:var(--cyan);background:rgba(22,200,184,.10)}
.stat b{
  display:block;font-size:clamp(24px,3vw,34px);line-height:1.15;font-weight:800;
  color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.stat span{display:block;margin-top:4px;font-size:13.5px;color:rgba(255,255,255,.62)}

/* ============ 导语 ============ */
.lead-section{padding:72px 0 8px}
.lead-box{
  max-width:880px;margin:0 auto;text-align:center;
}
.lead-box .eyebrow{margin-bottom:18px}
.lead-box p{font-size:16.5px;line-height:1.95;color:#3C424A}
.lead-box p + p{margin-top:18px}

/* ============ 步骤流程 ============ */
.steps-section{background:var(--ink);color:#fff;padding:88px 0}
.steps-section .section-head h2{color:#fff}
.steps-section .section-head p{color:rgba(255,255,255,.62)}
.steps-track{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;position:relative;
}
.step-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.step-card:hover{
  transform:translateY(-6px);border-color:rgba(255,106,24,.55);
  background:rgba(255,106,24,.08);box-shadow:0 18px 44px rgba(255,106,24,.16);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,61,127,.28);
}
.step-card h3{margin-top:18px;font-size:18px;font-weight:700;color:#fff}
.step-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66)}
.step-tag{
  display:inline-block;margin-top:16px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;color:var(--cyan);border:1px solid rgba(22,200,184,.38);
  background:rgba(22,200,184,.10);
}
.steps-note{
  margin-top:28px;padding:18px 22px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px dashed rgba(255,255,255,.16);
  font-size:14.5px;color:rgba(255,255,255,.7);
  display:flex;gap:12px;align-items:flex-start;
}
.steps-note b{color:#fff}

/* ============ 入口对照（非对称网格） ============ */
.entry-grid{display:grid;grid-template-columns:1.55fr 1fr;grid-template-rows:auto auto;gap:22px}
.entry-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(255,106,24,.28)}
.entry-card.big{grid-row:span 2}
.entry-thumb{overflow:hidden;background:#EDEAE6}
.entry-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 520ms var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-body .pill{
  align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--orange);background:rgba(255,106,24,.10);border:1px solid rgba(255,106,24,.22);
}
.entry-body h3{font-size:20px;font-weight:800;line-height:1.4}
.entry-card.big .entry-body h3{font-size:24px}
.entry-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.entry-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.entry-meta .go{font-weight:700;color:var(--orange)}

/* ============ 图文左右交替（准备清单） ============ */
.prep-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center}
.prep-media{position:relative}
.prep-media img{width:100%;border-radius:var(--r-img);box-shadow:var(--shadow-1)}
.prep-media .float-badge{
  position:absolute;right:-16px;bottom:-18px;
  padding:16px 22px;border-radius:16px;background:var(--ink);color:#fff;
  box-shadow:0 18px 40px rgba(14,16,19,.32);
}
.prep-media .float-badge b{display:block;font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.prep-media .float-badge span{font-size:12.5px;color:rgba(255,255,255,.6)}
.prep-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.prep-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:16px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.prep-item:hover{transform:translateX(6px);border-color:rgba(22,200,184,.45);box-shadow:var(--shadow-2)}
.prep-check{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;margin-top:2px;
  background:rgba(22,200,184,.12);border:1px solid rgba(22,200,184,.38);
  color:#0FA79B;font-size:14px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.prep-item h3{font-size:16.5px;font-weight:700}
.prep-item p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.8}

/* ============ 数据概览 ============ */
.metrics{background:#EFEBE5;border-radius:28px;padding:56px 48px;margin-top:8px}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:12px}
.metric{
  background:#fff;border-radius:18px;padding:24px;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.metric b{
  display:block;font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--muted)}
.metric i{display:block;margin-top:12px;height:4px;border-radius:999px;background:rgba(22,200,184,.18);position:relative;overflow:hidden}
.metric i::after{content:"";position:absolute;left:0;top:0;bottom:0;border-radius:999px;background:var(--grad-cyan)}

/* ============ FAQ ============ */
.faq-section{background:var(--paper)}
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border-radius:16px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item.open{border-color:rgba(255,106,24,.35);box-shadow:0 14px 36px rgba(255,106,24,.12)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:700;line-height:1.6;
  transition:color var(--t) var(--ease);
}
.faq-q:hover{color:var(--orange)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:10px;position:relative;
  background:rgba(255,106,24,.10);border:1px solid rgba(255,106,24,.24);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--orange);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a p{padding:0 24px 22px;font-size:14.8px;color:var(--muted);line-height:1.9}

/* ============ CTA 长条 ============ */
.cta-band{
  border-radius:26px;padding:44px 48px;
  background:var(--grad);background-size:160% 160%;background-position:0% 50%;
  display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;
  box-shadow:0 24px 60px rgba(255,61,127,.26);
  transition:background-position 600ms var(--ease);
}
.cta-band:hover{background-position:100% 50%}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff;line-height:1.3}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15px}
.cta-form{display:flex;flex-direction:column;gap:10px}
.cta-input-row{
  display:flex;align-items:center;gap:8px;padding:6px 6px 6px 18px;
  background:#fff;border-radius:16px;box-shadow:0 14px 32px rgba(14,16,19,.16);
  border:2px solid transparent;transition:border-color var(--t) var(--ease);
}
.cta-input-row input{
  flex:1;min-width:0;height:44px;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--text);
}
.cta-input-row input::placeholder{color:#9AA0A8}
.cta-input-row.error{border-color:#FFD1A6;box-shadow:0 0 0 4px rgba(255,106,24,.18)}
.cta-input-row.ok{border-color:rgba(22,200,184,.6);box-shadow:0 0 0 4px rgba(22,200,184,.16)}
.cta-tip{min-height:20px;font-size:13px;color:rgba(255,255,255,.92);display:flex;align-items:center;gap:6px}
.cta-tip.err{color:#FFE2CC;font-weight:600}
.cta-tip.ok{color:#D6FFF9;font-weight:600}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.56);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--cyan)}
.footer-qr{
  width:118px;height:118px;border-radius:16px;margin-bottom:16px;
  background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.5);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px}
  .hero-grid{gap:40px}
  .steps-track{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-list{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:0 12px 0 16px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{transform:none;max-width:620px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .entry-grid{grid-template-columns:1fr}
  .entry-card.big{grid-row:auto}
  .prep-wrap{grid-template-columns:1fr;gap:36px}
  .metrics{padding:40px 28px}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .site-header{padding:12px 14px}
  .nav-shell{height:58px}
  .cat-hero{padding-top:120px}
  .hero-copy h1{font-size:clamp(26px,7vw,38px)}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .steps-track{grid-template-columns:1fr;gap:14px}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;padding-bottom:40px}
  .stat b{font-size:22px}
  .metrics-grid{grid-template-columns:1fr}
  .prep-media .float-badge{right:10px;bottom:-14px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .stat-strip{grid-template-columns:1fr}
  .hero-chip{font-size:12.5px}
  .cta-input-row{flex-direction:column;padding:14px;gap:12px;align-items:stretch}
  .cta-input-row input{height:40px}
  .cta-input-row .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --orange:#FF6A18;
  --pink:#FF3D7F;
  --cyan:#16C8B8;
  --ink:#0E1013;
  --ink-2:#171A20;
  --warm:#F7F5F2;
  --card:#FFFFFF;
  --text:#1B1E24;
  --muted:#5A6068;
  --danger:#E5484D;
  --warn:#F5A524;
  --success:#16C8B8;
  --line:rgba(14,16,19,.06);
  --line-strong:rgba(14,16,19,.12);
  --line-dark:rgba(255,255,255,.10);
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --r-card:20px;
  --r-btn:14px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 8px 24px rgba(14,16,19,.08);
  --sh-2:0 18px 44px rgba(255,106,24,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sec-pad:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1280px){.container{max-width:1280px;}}

/* ============ 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:90;padding:0 24px;transition:top .26s var(--ease);}
.nav-pill{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:rgba(247,245,242,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 6px 20px rgba(14,16,19,.06);
  transition:height .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.site-header.scrolled .nav-pill{height:58px;background:rgba(247,245,242,.92);box-shadow:0 14px 34px rgba(14,16,19,.14);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(255,106,24,.32);
}
.brand-text{font-weight:800;font-size:16px;color:var(--text);white-space:nowrap;}
.brand-text span{color:var(--orange);}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-list a{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:#3B4048;white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-list a:hover{color:var(--orange);background:rgba(255,106,24,.08);}
.nav-list a.active{color:var(--orange);font-weight:700;}
.nav-list a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.7);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-drawer{
  display:none;max-width:1200px;margin:10px auto 0;
  background:rgba(247,245,242,.97);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:22px;padding:10px;
  box-shadow:0 18px 44px rgba(14,16,19,.16);
}
.nav-drawer.open{display:block;}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 18px;border-radius:14px;font-weight:600;color:#22262C;
}
.nav-drawer a:hover{background:rgba(255,106,24,.08);color:var(--orange);}
.nav-drawer a.active{color:var(--orange);background:rgba(255,106,24,.10);}
.nav-drawer .drawer-close{
  display:block;width:100%;height:44px;margin-top:6px;border:none;border-radius:14px;
  background:var(--ink);color:#fff;font-weight:700;cursor:pointer;
}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,106,24,.28);background-size:150% 150%;}
.btn-grad:hover{transform:translateY(-4px);box-shadow:var(--sh-2);background-position:100% 0;}
.btn-grad:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--cyan);transform:translateY(-4px);box-shadow:0 12px 30px rgba(22,200,184,.18);}
.btn-light{background:#fff;color:var(--ink);box-shadow:var(--sh-1);}
.btn-light:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(14,16,19,.16);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,106,24,.10);border:1px solid rgba(255,106,24,.22);
  color:#C94F0C;font-size:13px;font-weight:700;letter-spacing:.06em;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange);}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;background:rgba(22,200,184,.12);color:#0F8C81;
  border:1px solid rgba(22,200,184,.28);
}
.tag-orange{background:rgba(255,106,24,.12);color:#C94F0C;border-color:rgba(255,106,24,.26);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;padding:150px 0 76px;overflow:hidden;
  background:
    radial-gradient(900px 460px at 88% -10%,rgba(255,106,24,.16),transparent 62%),
    radial-gradient(720px 420px at 4% 8%,rgba(22,200,184,.14),transparent 60%),
    var(--warm);
}
.cat-hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.cat-hero h1{font-size:clamp(30px,5vw,52px);line-height:1.15;margin:20px 0 18px;font-weight:900;}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.lead{font-size:17px;color:var(--muted);max-width:52ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags span{
  padding:8px 16px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;
  color:#33413F;background:rgba(255,255,255,.62);border:1px solid rgba(14,16,19,.08);
  backdrop-filter:blur(6px);
}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;border-radius:var(--r-img);box-shadow:0 26px 60px rgba(14,16,19,.18);
  transform:rotate(-1.2deg);
}
.cat-hero-media::after{
  content:"";position:absolute;right:-18px;bottom:-22px;width:180px;height:180px;
  border-radius:40px;background:var(--grad);opacity:.20;z-index:-1;filter:blur(2px);
}
.cat-hero-media figcaption{
  margin-top:14px;font-size:13px;color:var(--muted);text-align:center;
}
.stat-strip{
  margin-top:56px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.stat b{
  display:block;font-size:32px;font-weight:800;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;color:var(--ink);line-height:1.1;
}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}
.stat i{display:block;width:26px;height:3px;border-radius:3px;background:var(--cyan);margin-bottom:12px;}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin:16px 0 14px;font-weight:900;}
.section-head p{color:var(--muted);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.intro-block{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 36px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.intro-block::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad);
}
.intro-block p{font-size:16.5px;color:#2C3138;}

/* ============ 图文左右交替 ============ */
.zigzag{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:72px;}
.zigzag:last-child{margin-bottom:0;}
.zigzag.reverse .zz-media{order:2;}
.zz-media img{width:100%;border-radius:var(--r-img);box-shadow:0 20px 48px rgba(14,16,19,.14);}
.zz-media{position:relative;}
.zz-index{
  position:absolute;top:-16px;left:-16px;width:56px;height:56px;border-radius:16px;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:18px;box-shadow:0 12px 28px rgba(255,61,127,.30);
  font-variant-numeric:tabular-nums;
}
.zz-copy h3{font-size:22px;margin:14px 0 14px;}
.zz-copy p{color:var(--muted);margin-bottom:16px;}
.check-list li{
  position:relative;padding-left:28px;margin-bottom:10px;color:#2C3138;font-size:15.5px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:11px;width:14px;height:14px;border-radius:5px;
  border:2px solid var(--cyan);background:rgba(22,200,184,.14);
}
.check-list li b{color:var(--ink);}

/* ============ 深色诊断区 ============ */
.dark-section{
  background:var(--ink);color:#fff;padding:var(--sec-pad) 0;position:relative;overflow:hidden;
}
.dark-section::before{
  content:"";position:absolute;top:-160px;right:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,24,.28),transparent 68%);
}
.dark-section .section-head h2{color:#fff;}
.dark-section .section-head p{color:rgba(255,255,255,.62);}
.dark-section .eyebrow{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:#FFB98A;}
.diag-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;position:relative;}
.diag-card{
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  border-radius:var(--r-card);padding:26px 28px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.diag-card:hover{transform:translateY(-4px);border-color:rgba(255,106,24,.5);box-shadow:0 18px 44px rgba(255,106,24,.16);}
.diag-card h4{font-size:17px;margin-bottom:16px;color:#fff;display:flex;align-items:center;gap:10px;}
.diag-card h4 em{
  font-style:normal;font-size:12px;font-weight:700;padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(229,72,77,.16);color:#FF9AA0;border:1px solid rgba(229,72,77,.32);
}
.diag-row{display:flex;gap:12px;padding:10px 0;border-top:1px dashed rgba(255,255,255,.10);font-size:14.5px;}
.diag-row:first-of-type{border-top:none;}
.diag-row label{
  flex:0 0 76px;color:rgba(255,255,255,.52);font-size:13px;letter-spacing:.06em;
}
.diag-row span{color:rgba(255,255,255,.9);}
.diag-row span.ok{color:#5EE0D2;}

/* ============ 横向轨道 ============ */
.track-wrap{position:relative;}
.track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 26px;scrollbar-width:thin;
}
.track::-webkit-scrollbar{height:8px;}
.track::-webkit-scrollbar-thumb{background:rgba(14,16,19,.16);border-radius:8px;}
.track-item{
  scroll-snap-align:start;flex:0 0 296px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.track-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.track-item b{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:rgba(255,106,24,.12);color:#C94F0C;font-size:15px;font-weight:800;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.track-item h4{font-size:17px;margin-bottom:10px;}
.track-item p{font-size:14.5px;color:var(--muted);}
.track-hint{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.track-hint::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--cyan);}

/* ============ 内容卡（相关内容） ============ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.24);}
.card-cover{overflow:hidden;aspect-ratio:16/10;background:#EDEAE5;}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s var(--ease);}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:17.5px;line-height:1.45;}
.card-body p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding-top:12px;border-top:1px solid var(--line);
}
.card-meta i{font-style:normal;color:var(--orange);font-weight:700;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item.open{border-color:rgba(255,106,24,.36);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:9px;position:relative;
  background:rgba(255,106,24,.10);transition:background .24s var(--ease),transform .24s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--orange);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s var(--ease);}
.faq-item.open .faq-icon{background:var(--grad);transform:rotate(180deg);}
.faq-item.open .faq-icon::before{background:#fff;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 24px 24px;color:var(--muted);font-size:15.5px;}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);border-radius:26px;padding:48px 52px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,127,.30),transparent 70%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;color:#fff;position:relative;}
.cta-band p{color:rgba(255,255,255,.66);position:relative;}
.cta-form{position:relative;}
.field{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);border-radius:var(--r-btn);padding:6px 6px 6px 18px;
  transition:border-color .24s var(--ease);
}
.field:focus-within{border-color:var(--cyan);}
.field.error{border-color:var(--danger);}
.field input{
  flex:1;min-width:0;height:44px;background:transparent;border:none;outline:none;
  color:#fff;font-size:15px;
}
.field input::placeholder{color:rgba(255,255,255,.42);}
.form-msg{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);min-height:20px;}
.form-msg.err{color:#FF9AA0;}
.form-msg.ok{color:#5EE0D2;}

/* ============ 面包屑 ============ */
.crumb{font-size:13.5px;color:var(--muted);padding-top:112px;}
.crumb a{color:var(--muted);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--cyan);}
.crumb span{margin:0 8px;opacity:.5;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.58);margin-top:18px;max-width:34ch;}
.footer-brand .brand-text{color:#fff;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.62);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--cyan);}
.footer-qr{
  width:112px;height:112px;border-radius:14px;display:grid;place-items:center;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  font-size:12.5px;color:rgba(255,255,255,.56);line-height:1.7;margin-bottom:18px;
}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.44);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .cat-hero-grid{gap:40px;}
  :root{--sec-pad:76px;}
}
@media (max-width:1023px){
  .nav-list{display:none;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-pill{justify-content:space-between;padding:0 12px 0 16px;}
  .cat-hero{padding:132px 0 60px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero-media img{transform:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .zigzag{grid-template-columns:1fr;gap:32px;}
  .zigzag.reverse .zz-media{order:0;}
  .diag-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  :root{--sec-pad:64px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .site-header{top:10px;padding:0 14px;}
  .nav-pill{height:58px;}
  .brand-text{font-size:15px;}
  .cat-hero{padding:112px 0 48px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:16px;}
  .stat b{font-size:26px;}
  .intro-block{padding:24px 22px;}
  .section{padding:56px 0;}
  :root{--sec-pad:56px;}
  .track-item{flex:0 0 82%;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .field{flex-wrap:wrap;padding:14px;gap:12px;}
  .field input{height:40px;width:100%;flex:1 1 100%;}
  .field .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .faq-q{padding:18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 20px;}
}

/* roulang page: category3 */
:root{
  --orange:#FF6A18;
  --pink:#FF3D7F;
  --cyan:#16C8B8;
  --ink:#0E1013;
  --ink-2:#171A20;
  --paper:#F7F5F2;
  --white:#FFFFFF;
  --text:#1B1E24;
  --text-2:#5A6068;
  --line:rgba(14,16,19,.06);
  --line-2:rgba(14,16,19,.12);
  --line-dark:rgba(255,255,255,.08);
  --line-dark-2:rgba(255,255,255,.14);
  --danger:#E5484D;
  --warn:#F5A524;
  --success:#16C8B8;
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --r-card:20px;
  --r-btn:14px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(14,16,19,.08);
  --sh-2:0 18px 44px rgba(255,106,24,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),background-color var(--t) var(--ease),border-color var(--t) var(--ease),transform var(--t) var(--ease)}
h1,h2,h3,h4{margin:0;line-height:1.2;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:200;padding:0 24px;transition:top var(--t) var(--ease)}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 10px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(247,245,242,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  box-shadow:0 6px 22px rgba(14,16,19,.07);
  transition:height var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease);
}
.site-header.scrolled .nav-shell{height:58px;background:rgba(247,245,242,.94);box-shadow:0 14px 36px rgba(14,16,19,.14)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 18px rgba(255,106,24,.32);
}
.brand-text{font-size:17px;font-weight:900;color:var(--text);letter-spacing:.01em;white-space:nowrap}
.brand-text span{color:var(--orange);font-weight:800;font-size:14px;margin-left:2px}
.nav-list{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-list a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
}
.nav-list a:hover{color:var(--text);background:rgba(14,16,19,.05)}
.nav-list a.active{color:var(--orange);font-weight:700;background:rgba(255,106,24,.09)}
.nav-list a.active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:18px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;place-items:center;gap:4px;flex-direction:column;border:1px solid var(--line-2)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer{
  max-width:1200px;margin:10px auto 0;border-radius:24px;overflow:hidden;
  background:rgba(247,245,242,.97);backdrop-filter:blur(14px);
  border:1px solid var(--line);box-shadow:0 20px 46px rgba(14,16,19,.16);
  max-height:0;opacity:0;visibility:hidden;transition:max-height 300ms var(--ease),opacity 220ms var(--ease),visibility 220ms;
}
.drawer.open{max-height:460px;opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}
.drawer-head span{font-size:14px;color:var(--text-2)}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line-2);display:grid;place-items:center;font-size:18px;line-height:1}
.drawer nav{display:flex;flex-direction:column;padding:8px 12px 16px}
.drawer nav a{display:flex;align-items:center;height:52px;padding:0 14px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px solid var(--line)}
.drawer nav a:last-child{border-bottom:0}
.drawer nav a.active{color:var(--orange);background:rgba(255,106,24,.09)}

/* ============ 通用按钮 / 胶囊 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,106,24,.28)}
.btn-grad:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:#0d8b80;transform:translateY(-3px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(-1px)}
.btn-block{width:100%}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.pill-soft{background:rgba(255,106,24,.10);color:#c94d07;border:1px solid rgba(255,106,24,.22)}
.pill-cyan{background:rgba(22,200,184,.12);color:#0d8b80;border:1px solid rgba(22,200,184,.28)}
.pill-glass{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px)}
.pill-plain{background:rgba(14,16,19,.05);color:var(--text-2);border:1px solid var(--line)}

/* ============ Hero ============ */
.hero{position:relative;padding:152px 0 72px;background:#fff;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.09;pointer-events:none}
.hero-glow{position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle at center,rgba(255,106,24,.22),rgba(255,61,127,0) 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(30px,5vw,52px);line-height:1.15;font-weight:900;margin-top:18px}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.9;color:var(--text-2);max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{
  display:inline-flex;align-items:center;gap:10px;margin-top:26px;padding:10px 18px;
  border-radius:var(--r-pill);background:rgba(14,16,19,.045);border:1px solid var(--line);
  font-size:14px;color:var(--text-2);
}
.hero-note i{width:8px;height:8px;border-radius:50%;background:var(--cyan);display:block;box-shadow:0 0 0 4px rgba(22,200,184,.16)}
.hero-media{position:relative}
.hero-media img{border-radius:var(--r-img);box-shadow:0 24px 60px rgba(14,16,19,.18);transform:rotate(-1.2deg)}
.hero-media::after{
  content:"";position:absolute;left:-18px;bottom:-18px;width:120px;height:120px;border-radius:26px;
  background:var(--grad);opacity:.16;filter:blur(6px);z-index:-1;
}
.hero-badges{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:56px}
.badge{
  background:var(--paper);border:1px solid rgba(22,200,184,.34);border-radius:14px;padding:18px 20px;
}
.badge b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.badge span{display:block;margin-top:4px;font-size:13px;color:var(--text-2)}

/* ============ 板块通用 ============ */
.section{padding:var(--sec) 0}
.section-tight{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:900}
.sec-head p{margin-top:10px;color:var(--text-2);font-size:16px;max-width:52em}
.link-more{color:var(--orange);font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more:hover{color:#c94d07;gap:10px}

/* 导语 */
.lede{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.lede-box{position:relative;padding:36px 40px 36px 44px;background:var(--paper);border-radius:var(--r-card);border:1px solid var(--line)}
.lede-box::before{content:"";position:absolute;left:0;top:28px;bottom:28px;width:5px;border-radius:5px;background:var(--grad)}
.lede-box p{font-size:17px;line-height:2;color:var(--text);max-width:78ch}

/* ============ 时间线 ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.split h2{font-size:clamp(24px,3.2vw,36px)}
.split .lead{margin-top:16px;color:var(--text-2);font-size:16px;max-width:34em}
.timeline{position:relative;padding-left:0}
.timeline::before{content:"";position:absolute;left:7px;top:12px;bottom:12px;width:2px;background:linear-gradient(180deg,rgba(255,106,24,.6),rgba(22,200,184,.5));border-radius:2px}
.tl-item{position:relative;padding:0 0 30px 46px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--orange);box-shadow:0 0 0 5px rgba(255,106,24,.10);
}
.tl-item:nth-child(even) .tl-dot{border-color:var(--cyan);box-shadow:0 0 0 5px rgba(22,200,184,.12)}
.tl-item h3{font-size:18px;font-weight:800}
.tl-item h3 span{color:var(--orange);font-size:13px;font-weight:800;margin-right:8px;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.tl-item p{margin-top:6px;color:var(--text-2);font-size:15px;line-height:1.9;max-width:46em}

/* ============ 非对称卡片区 ============ */
.asym{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:stretch}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.22)}
.card-lg{overflow:hidden;display:flex;flex-direction:column}
.card-lg figure{margin:0;overflow:hidden}
.card-lg img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 520ms var(--ease)}
.card-lg:hover img{transform:scale(1.04)}
.card-body{padding:26px 28px 28px}
.card-body h3{font-size:20px;font-weight:800}
.card-body p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.9}
.check-list{margin-top:16px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text)}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--cyan);border-bottom:2px solid var(--cyan);
  transform:rotate(-45deg);
}
.side-stack{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.mini-card{padding:24px;display:flex;flex-direction:column;justify-content:space-between}
.mini-card h3{font-size:17px;font-weight:800}
.mini-card p{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.85}
.mini-ico{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:rgba(255,106,24,.10);color:var(--orange);margin-bottom:14px;
}
.mini-ico svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ============ 仪表盘深色区 ============ */
.dash{background:var(--ink);border-radius:28px;padding:52px;position:relative;overflow:hidden}
.dash::after{
  content:"";position:absolute;top:-120px;right:-80px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,24,.26),rgba(255,106,24,0) 70%);
}
.dash-head{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.dash-head h2{color:#fff;font-size:clamp(24px,3.2vw,34px)}
.dash-head p{color:rgba(255,255,255,.66);margin-top:10px;font-size:15px;max-width:48em}
.dash-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dash-card{background:rgba(255,255,255,.04);border:1px solid var(--line-dark);border-radius:18px;padding:24px;transition:border-color var(--t) var(--ease),background-color var(--t) var(--ease),transform var(--t) var(--ease)}
.dash-card:hover{border-color:rgba(22,200,184,.5);background:rgba(255,255,255,.07);transform:translateY(-4px)}
.dash-num{font-size:clamp(28px,3.4vw,40px);font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.dash-card b{display:block;color:#fff;font-size:15px;font-weight:700;margin-top:10px}
.dash-card span{display:block;color:rgba(255,255,255,.58);font-size:13px;margin-top:6px;line-height:1.8}

/* ============ 矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mx-card{padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.mx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(22,200,184,.32)}
.mx-card h3{font-size:17px;margin-top:4px}
.mx-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.9}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-img);box-shadow:var(--sh-1);overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease)}
.faq-item.open{border-color:rgba(255,106,24,.3);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);
}
.faq-q .sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  border:1px solid var(--line-2);color:var(--text-2);font-size:16px;font-weight:700;line-height:1;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item.open .sign{background:var(--grad);border-color:transparent;color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.95}

/* ============ CTA ============ */
.cta-band{background:var(--ink);border-radius:28px;padding:48px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-3.webp);background-size:cover;background-position:center;opacity:.12}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{color:#fff;font-size:clamp(24px,3.2vw,34px)}
.cta-band p{color:rgba(255,255,255,.68);margin-top:12px;font-size:15px;max-width:38em}
.cta-form{display:grid;gap:12px}
.field{position:relative;display:flex;align-items:center;background:#fff;border-radius:var(--r-btn);padding:4px;border:1px solid transparent;transition:border-color var(--t) var(--ease)}
.field input{flex:1;height:46px;padding:0 16px;border:0;background:transparent;font-size:15px;outline:none}
.field input::placeholder{color:#9aa0a8}
.field.err{border-color:var(--danger)}
.field .btn{min-height:46px;padding:0 20px}
.form-hint{font-size:13px;color:rgba(255,255,255,.6)}
.form-hint.bad{color:#ff8b8f}
.form-hint.ok{color:var(--cyan)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.95;color:rgba(255,255,255,.6);max-width:34em}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-qr{
  width:104px;height:104px;border-radius:14px;border:1px dashed var(--line-dark-2);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;
  color:rgba(255,255,255,.5);margin-bottom:16px;
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  .container{max-width:1280px}
  .nav-shell{max-width:1200px}
}
@media (max-width:1279px){
  :root{--sec:76px}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .nav-list,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .nav-shell{padding:0 12px 0 16px}
  .hero{padding:132px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{transform:none}
  .hero-badges{grid-template-columns:repeat(2,1fr);gap:14px}
  .split{grid-template-columns:1fr;gap:32px}
  .asym{grid-template-columns:1fr}
  .side-stack{grid-template-rows:auto auto}
  .dash{padding:36px}
  .dash-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  body{font-size:15px}
  .site-header{top:10px;padding:0 14px}
  .nav-shell{height:58px}
  .brand-text{font-size:15px}
  .brand-text span{display:none}
  .section{padding:var(--sec) 0}
  .hero{padding:118px 0 48px}
  .hero-sub{font-size:16px}
  .hero-btns .btn{width:100%}
  .hero-badges{grid-template-columns:1fr 1fr}
  .badge{padding:14px 16px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .lede-box{padding:24px 22px 24px 26px}
  .lede-box p{font-size:16px}
  .dash{padding:24px;border-radius:22px}
  .dash-grid{grid-template-columns:1fr;gap:14px}
  .matrix{grid-template-columns:1fr}
  .card-body{padding:22px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .cta-band{padding:26px;border-radius:22px}
  .field{flex-wrap:wrap;padding:6px}
  .field input{width:100%;flex:1 1 100%}
  .field .btn{width:100%;margin-top:6px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .tl-item{padding-left:38px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-badges{grid-template-columns:1fr}
  .btn{min-height:48px}
}

/* roulang page: category4 */
:root{
  --orange:#FF6A18;
  --pink:#FF3D7F;
  --cyan:#16C8B8;
  --ink:#0E1013;
  --ink-2:#171A20;
  --warm:#F7F5F2;
  --text:#1B1E24;
  --muted:#5A6068;
  --line:rgba(14,16,19,.06);
  --line-2:rgba(14,16,19,.12);
  --line-dark:rgba(255,255,255,.08);
  --line-dark-2:rgba(255,255,255,.16);
  --grad:linear-gradient(135deg,#FF6A18 0%,#FF3D7F 100%);
  --r-card:20px;
  --r-btn:14px;
  --r-img:16px;
  --sh-1:0 8px 24px rgba(14,16,19,.08);
  --sh-2:0 18px 44px rgba(255,106,24,.18);
  --ease:cubic-bezier(.2,.7,.2,1);
  --t:240ms;
  --danger:#E5484D;
  --warn:#F5A524;
  --ok:#16C8B8;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--warm);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
figure{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--orange);text-transform:uppercase;
  font-variant-numeric:tabular-nums;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3.2vw,36px)}
.sec-head p{color:var(--muted);font-size:15px;max-width:620px;margin-top:10px}
.sec-link{font-weight:700;color:var(--orange);font-size:15px;display:inline-flex;align-items:center;gap:6px;transition:gap var(--t) var(--ease),color var(--t) var(--ease)}
.sec-link:hover{gap:12px;color:var(--pink)}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px}
.nav-shell{
  max-width:1200px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 10px 0 18px;
  background:rgba(247,245,242,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 4px 18px rgba(14,16,19,.06);
  transition:height var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.site-header.is-scrolled .nav-shell{
  height:58px;
  background:rgba(247,245,242,.9);
  box-shadow:0 14px 34px rgba(14,16,19,.14);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:18px;
  box-shadow:0 6px 16px rgba(255,61,127,.28);
}
.brand-text{font-weight:800;font-size:16px;letter-spacing:.01em;white-space:nowrap}
.brand-text span{color:var(--orange)}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list a{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-list a:hover{color:var(--orange);background:rgba(255,106,24,.08)}
.nav-list a.active{color:var(--orange)}
.nav-list a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:1px;width:20px;height:3px;border-radius:3px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line-2);align-items:center;justify-content:center;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-toggle:hover{border-color:var(--orange);background:rgba(255,106,24,.08)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{
  display:none;max-width:1200px;margin:10px auto 0;
  background:rgba(247,245,242,.96);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh-1);
  padding:12px;overflow:hidden;
}
.nav-drawer.open{display:block}
.nav-drawer a{
  display:block;height:52px;line-height:52px;padding:0 18px;border-radius:14px;
  font-weight:600;color:var(--text);transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-drawer a:hover,.nav-drawer a.active{background:rgba(255,106,24,.1);color:var(--orange)}
.nav-drawer .drawer-cta{margin-top:8px;text-align:center;background:var(--grad);color:#fff;font-weight:700}
.nav-drawer .drawer-cta:hover{color:#fff;background:var(--grad)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:0 26px;border-radius:var(--r-btn);
  font-weight:700;font-size:16px;white-space:nowrap;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,106,24,.26)}
.btn-grad:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.btn-grad:active{transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line-2);color:var(--text);background:rgba(255,255,255,.7)}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-3px);box-shadow:0 12px 28px rgba(255,106,24,.14)}
.btn-cyan{border:1px solid rgba(22,200,184,.5);color:var(--cyan);background:rgba(22,200,184,.08)}
.btn-cyan:hover{background:rgba(22,200,184,.16);transform:translateY(-3px)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px}

/* ============ 分类 Hero ============ */
.page-hero{position:relative;padding:132px 0 0;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:560px;
  background:
    radial-gradient(760px 320px at 12% 6%,rgba(255,106,24,.16),transparent 68%),
    radial-gradient(620px 300px at 88% 0%,rgba(22,200,184,.14),transparent 70%);
  pointer-events:none;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;
  padding-bottom:52px;
}
.pill-tag{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:700;
  color:#7a3b12;background:rgba(255,106,24,.1);
  border:1px solid rgba(255,106,24,.22);
}
.pill-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(22,200,184,.18)}
.page-hero h1{font-size:clamp(30px,5vw,56px);line-height:1.15;margin:20px 0 18px;font-weight:900}
.page-hero .lead{font-size:17px;color:var(--muted);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-media{position:relative}
.hero-media img{
  width:100%;height:400px;object-fit:cover;border-radius:var(--r-img);
  box-shadow:0 24px 60px rgba(14,16,19,.22);
  transform:rotate(-1deg);
  transition:transform 420ms var(--ease),box-shadow 420ms var(--ease);
}
.hero-media:hover img{transform:rotate(0deg) translateY(-6px);box-shadow:0 30px 70px rgba(255,106,24,.24)}
.hero-media::after{
  content:"";position:absolute;right:-18px;bottom:-18px;width:130px;height:130px;border-radius:28px;
  background:var(--grad);opacity:.18;filter:blur(2px);z-index:-1;
}
.hero-float{
  position:absolute;left:18px;bottom:18px;right:18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:16px;
  background:rgba(14,16,19,.78);backdrop-filter:blur(8px);
  color:#fff;font-size:14px;font-weight:600;
}
.hero-float b{color:var(--cyan);font-variant-numeric:tabular-nums}

/* ============ 数据徽章带 ============ */
.badge-band{
  position:relative;
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  padding:22px 0 0;border-top:1px solid var(--line-2);
}
.badge-item{
  display:flex;align-items:center;gap:16px;
  padding:20px 24px;border-radius:14px;background:#fff;
  border:1px solid rgba(22,200,184,.28);
  box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.badge-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.4)}
.badge-num{font-size:34px;font-weight:900;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.badge-num em{font-style:normal;font-size:16px;color:var(--orange);margin-left:2px}
.badge-label{font-size:14px;color:var(--muted);line-height:1.5}

/* ============ 导语区 ============ */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.intro-text h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:16px}
.intro-text p{color:var(--muted);font-size:16px}
.intro-media img{width:100%;height:290px;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.intro-media figcaption{font-size:13px;color:var(--muted);margin-top:12px;text-align:center}

/* ============ 检查清单卡 ============ */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.check-card{
  position:relative;padding:28px 24px;border-radius:var(--r-card);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.check-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform 320ms var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,24,.28)}
.check-card:hover::before{transform:scaleX(1)}
.check-idx{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.check-card h3{font-size:19px;margin:14px 0 10px}
.check-card p{font-size:14.5px;color:var(--muted)}
.check-card .tagline{
  display:inline-block;margin-top:16px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:var(--orange);background:rgba(255,106,24,.1);
}

/* ============ 时间线（深色区） ============ */
.tl-section{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.tl-section::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 88% 4%,rgba(255,106,24,.22),transparent 66%),
    radial-gradient(520px 300px at 6% 92%,rgba(22,200,184,.18),transparent 68%);
  pointer-events:none;
}
.tl-section .container{position:relative}
.tl-section .eyebrow{color:var(--cyan)}
.tl-section .eyebrow::before{background:linear-gradient(90deg,var(--cyan),var(--orange))}
.tl-section h2{font-size:clamp(24px,3.2vw,36px);margin:14px 0 12px;color:#fff}
.tl-section .sec-desc{color:rgba(255,255,255,.66);max-width:640px;font-size:15.5px}
.timeline{display:grid;margin-top:48px}
.tl-item{
  position:relative;display:grid;grid-template-columns:72px 1fr;gap:24px;
  padding-bottom:36px;
}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:35px;top:74px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(22,200,184,.7),rgba(255,106,24,.45),rgba(255,255,255,0));
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:72px;height:72px;border-radius:20px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark-2);
  font-size:22px;font-weight:900;color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.tl-body{
  padding:22px 26px;border-radius:var(--r-card);
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  transition:border-color var(--t) var(--ease),transform var(--t) var(--ease),background var(--t) var(--ease);
}
.tl-body:hover{border-color:rgba(255,106,24,.45);transform:translateX(4px);background:rgba(255,255,255,.06)}
.tl-body h3{font-size:19px;color:#fff;margin-bottom:8px}
.tl-body p{color:rgba(255,255,255,.66);font-size:14.5px}
.tl-note{
  display:inline-flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13px;font-weight:700;color:var(--cyan);
  padding:6px 12px;border-radius:999px;
  background:rgba(22,200,184,.1);border:1px solid rgba(22,200,184,.28);
}

/* ============ 适配矩阵 ============ */
.matrix{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--line);display:grid;gap:1px;box-shadow:var(--sh-1);
}
.matrix-row{
  display:grid;grid-template-columns:1.05fr 1.35fr 1.35fr 1.2fr;gap:18px;
  background:#fff;padding:20px 24px;align-items:center;
  transition:background var(--t) var(--ease);
}
.matrix-row:not(.matrix-head):hover{background:#FFF8F4}
.matrix-head{background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;letter-spacing:.04em}
.matrix-cell{font-size:14.5px;color:var(--muted)}
.matrix-cell.strong{color:var(--text);font-weight:700;font-size:15.5px}
.mx-label{display:none}
.status{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  padding:4px 10px;border-radius:999px;
}
.status.ok{color:#0f7a70;background:rgba(22,200,184,.14)}
.status.warn{color:#8a5a00;background:rgba(245,165,36,.18)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.faq-aside h2{font-size:clamp(24px,3.2vw,34px);margin:14px 0 14px}
.faq-aside p{color:var(--muted);font-size:15.5px}
.faq-aside .aside-card{
  margin-top:26px;padding:22px 24px;border-radius:var(--r-card);
  background:linear-gradient(135deg,rgba(255,106,24,.1),rgba(255,61,127,.08));
  border:1px solid rgba(255,106,24,.22);
}
.faq-aside .aside-card strong{display:block;font-size:16px;margin-bottom:6px}
.faq-aside .aside-card p{font-size:14px;color:#6b4a33}
.faq-list{display:grid;gap:14px}
.faq-item{
  border-radius:var(--r-img);border:1px solid var(--line);background:#fff;
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.faq-item:hover{border-color:rgba(255,106,24,.3)}
.faq-item.open{border-color:rgba(255,106,24,.42);box-shadow:0 14px 34px rgba(255,106,24,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:700;line-height:1.6;
}
.faq-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  display:grid;place-items:center;position:relative;
  background:rgba(255,106,24,.1);
  transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;background:var(--orange);border-radius:2px;
}
.faq-ico::before{width:12px;height:2px}
.faq-ico::after{width:2px;height:12px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.faq-item.open .faq-ico{background:var(--grad);transform:rotate(180deg)}
.faq-item.open .faq-ico::before{background:#fff}
.faq-item.open .faq-ico::after{opacity:0;transform:scaleY(0)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 300ms var(--ease);
}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;padding:44px 46px;
  background:var(--ink);color:#fff;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  box-shadow:0 28px 60px rgba(14,16,19,.28);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,106,24,.42),rgba(255,61,127,.22) 42%,rgba(22,200,184,.2));
  opacity:.7;pointer-events:none;
}
.cta-band > *{position:relative}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px}
.subscribe{display:flex;gap:10px;background:rgba(255,255,255,.08);border:1px solid var(--line-dark-2);border-radius:var(--r-btn);padding:8px;transition:border-color var(--t) var(--ease)}
.subscribe:focus-within{border-color:var(--cyan)}
.subscribe input{
  flex:1;min-width:0;height:52px;padding:0 16px;border:0;background:transparent;color:#fff;
  border-radius:10px;
}
.subscribe input::placeholder{color:rgba(255,255,255,.5)}
.subscribe input:focus{outline:none}
.subscribe .btn{min-height:52px}
.form-msg{font-size:13px;margin-top:10px;min-height:20px;color:rgba(255,255,255,.72)}
.form-msg.err{color:#FFB4B6}
.form-msg.ok{color:var(--cyan)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14.5px;margin-top:18px;max-width:320px;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.68);transition:color var(--t) var(--ease)}
.footer-col a:hover{color:var(--cyan)}
.footer-qr{
  width:104px;height:104px;border-radius:14px;margin-bottom:18px;
  display:grid;place-items:center;text-align:center;font-size:12.5px;line-height:1.6;
  color:rgba(255,255,255,.7);
  background:rgba(255,255,255,.05);
  border:1px dashed rgba(255,255,255,.24);
}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (min-width:1280px){
  .container{max-width:1280px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px}
  .hero-media img{height:320px;transform:none}
  .badge-band{grid-template-columns:1fr 1fr}
  .intro-grid{grid-template-columns:1fr;gap:32px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:36px 30px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-list{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .page-hero{padding-top:112px}
  .page-hero h1{font-size:30px}
  .hero-actions .btn{width:100%;min-height:48px}
  .badge-band{grid-template-columns:1fr;gap:12px}
  .check-grid{grid-template-columns:1fr}
  .matrix-row{grid-template-columns:1fr;gap:6px;padding:18px}
  .matrix-head{display:none}
  .mx-label{display:block;font-size:12.5px;font-weight:700;color:var(--orange);letter-spacing:.04em}
  .tl-item{grid-template-columns:56px 1fr;gap:16px}
  .tl-num{width:56px;height:56px;border-radius:16px;font-size:18px}
  .tl-item::before{left:27px;top:58px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:30px 22px;border-radius:20px}
  .subscribe{flex-direction:column}
  .subscribe .btn{width:100%}
  .site-footer{padding-top:56px;margin-top:56px}
}
@media (max-width:520px){
  .brand-text{font-size:14.5px}
  .hero-media img{height:250px}
  .sec-head{margin-bottom:28px}
}