/* roulang page: index */
:root{
  --brand:#FF5C39;
  --brand-2:#FF9F1C;
  --brand-3:#12B39B;
  --accent:#FFD166;
  --ink:#1B1720;
  --ink-2:#57505E;
  --ink-3:#8B8494;
  --line:#EDE6E0;
  --bg:#FFFBF7;
  --bg-2:#FDF3EC;
  --deep:#1A141C;
  --grad-main:linear-gradient(115deg,#FF5C39 0%,#FF9F1C 55%,#FFD166 100%);
  --grad-cool:linear-gradient(120deg,#12B39B 0%,#0E8F9E 100%);
  --shadow-card:0 2px 8px rgba(27,23,32,.04),0 12px 32px rgba(255,92,57,.08);
  --shadow-card-hover:0 8px 20px rgba(27,23,32,.08),0 20px 48px rgba(255,92,57,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --nav-h:76px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.25}
::selection{background:rgba(255,92,57,.18)}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 顶部公告条 ---------- */
.topbar{background:linear-gradient(90deg,rgba(255,92,57,.10),rgba(255,209,102,.16));border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0;font-size:13px;color:var(--ink-2)}
.topbar-text{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.topbar-dot{width:7px;height:7px;border-radius:999px;background:var(--brand-3);flex:none}
.topbar-link{color:var(--brand);font-weight:600}
.topbar-link:hover{color:var(--brand-2)}
.topbar-close{font-size:16px;line-height:1;color:var(--ink-3);padding:4px 6px;border-radius:8px;transition:all .2s ease}
.topbar-close:hover{background:rgba(27,23,32,.06);color:var(--ink)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,251,247,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(27,23,32,.06)}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h);transition:height .22s ease}
.site-header.is-scrolled .nav-inner{height:66px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--grad-main);color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,92,57,.28);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.main-nav{display:none;align-items:center;gap:4px;margin-left:12px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-2);
  position:relative;transition:all .2s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(255,92,57,.06)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:999px;background:var(--grad-main);
}
.nav-caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);opacity:.7}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 10px);left:-40px;width:840px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 64px rgba(27,23,32,.14);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  z-index:90;
}
.nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.1fr 1fr;gap:24px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px}
.mega-link{display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--ink-2);font-weight:600;transition:all .18s ease}
.mega-link:hover{background:var(--bg-2);color:var(--brand);transform:translateX(2px)}
.mega-post{display:block;padding:10px;border-radius:12px;transition:all .18s ease}
.mega-post:hover{background:var(--bg-2)}
.mega-post-title{font-size:14px;font-weight:600;color:var(--ink);display:block;margin-bottom:4px}
.mega-post:hover .mega-post-title{color:var(--brand)}
.mega-post-time{font-size:12px;color:var(--ink-3)}
.mega-card{
  background:var(--grad-main);color:#fff;border-radius:var(--r-md);padding:20px;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  box-shadow:0 14px 30px rgba(255,92,57,.28);
}
.mega-card h4{font-size:16px;font-weight:800}
.mega-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.9);margin-top:6px}
.mega-card-btn{
  align-self:flex-start;background:rgba(255,255,255,.95);color:var(--brand);
  font-size:13px;font-weight:700;padding:8px 16px;border-radius:999px;transition:all .2s ease;
}
.mega-card-btn:hover{background:#fff;transform:translateY(-1px)}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);transition:all .2s ease;
}
.search-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--bg-2)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:all .2s ease;white-space:nowrap;border:1px solid transparent;
}
.btn-primary{
  background:var(--grad-main);color:#fff;box-shadow:0 10px 24px rgba(255,92,57,.28);
}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,92,57,.36)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--bg-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}
.btn-text{color:var(--brand);font-weight:700;font-size:14px;position:relative;display:inline-flex;align-items:center;gap:6px}
.btn-text::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--grad-main);transition:width .25s ease;border-radius:2px}
.btn-text:hover::after{width:100%}

.nav-toggle-input{position:absolute;opacity:0;pointer-events:none}
.nav-burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;flex:none;
}
.nav-burger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-burger span::before,.nav-burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-burger span::before{top:-6px}
.nav-burger span::after{top:6px}
@media(min-width:1024px){.nav-burger{display:none}}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 24px;
  box-shadow:0 20px 40px rgba(27,23,32,.08);
}
#navToggle:checked ~ .mobile-drawer{display:block}
.mobile-link{display:block;padding:13px 20px;font-weight:600;color:var(--ink-2);border-radius:12px;margin:0 12px}
.mobile-link:hover,.mobile-link.is-active{background:var(--bg-2);color:var(--brand)}
.mobile-cta{margin:14px 20px 0}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:112px 0}}
.section-alt{background:var(--bg-2)}
.section-dark{background:var(--deep);color:#fff}
[id]{scroll-margin-top:96px}
.section-head{max-width:720px;margin-bottom:36px}
@media(min-width:768px){.section-head{margin-bottom:48px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,92,57,.10);
  color:var(--brand);font-size:13px;font-weight:700;padding:7px 16px;border-radius:999px;margin-bottom:18px;
}
.eyebrow-light{background:rgba(255,255,255,.14);color:#FFD166}
.section-title{font-size:26px;font-weight:700;letter-spacing:-.01em}
@media(min-width:768px){.section-title{font-size:34px}}
@media(min-width:1024px){.section-title{font-size:40px}}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;line-height:1.8}
.section-dark .section-desc{color:rgba(255,255,255,.72)}
.grad-text{background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:48px 0 56px}
@media(min-width:1024px){.hero{padding:72px 0 88px}}
.hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,159,28,.20),rgba(255,209,102,0) 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-220px;left:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,179,155,.14),rgba(18,179,155,0) 70%);pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px}}
.hero-title{font-size:32px;font-weight:800;line-height:1.18;letter-spacing:-.02em;margin:0 0 18px}
@media(min-width:768px){.hero-title{font-size:44px}}
@media(min-width:1024px){.hero-title{font-size:54px}}
.hero-sub{color:var(--ink-2);font-size:16px;line-height:1.85;max-width:600px}
@media(min-width:768px){.hero-sub{font-size:17px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:560px}
@media(min-width:640px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 12px;text-align:center;
  box-shadow:0 2px 8px rgba(27,23,32,.04);transition:all .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-card)}
.stat-num{font-size:22px;font-weight:800;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:12px;color:var(--ink-3);margin-top:2px}
.trust-line{display:flex;align-items:center;gap:8px;margin-top:24px;font-size:13px;color:var(--ink-3)}
.trust-line svg{flex:none;color:var(--brand-3)}

.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--line);box-shadow:0 24px 60px rgba(27,23,32,.14);
}
.hero-card-img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-card-body{
  position:absolute;left:16px;right:16px;bottom:16px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-radius:var(--r-sm);padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-card-text{font-size:13px;color:var(--ink-2)}
.float-badge{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 16px;box-shadow:0 14px 34px rgba(27,23,32,.14);text-align:center;
  animation:floaty 5s ease-in-out infinite;
}
.float-badge strong{display:block;font-size:20px;font-weight:800;background:var(--grad-cool);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-badge span{font-size:12px;color:var(--ink-3)}
.badge-a{top:-18px;left:-14px}
.badge-b{bottom:-16px;right:-10px;animation-delay:1.4s}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@media(max-width:520px){.float-badge{display:none}}
.hero-scroll{display:flex;justify-content:center;margin-top:44px}
.hero-scroll a{
  width:46px;height:46px;border-radius:999px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;color:var(--brand);box-shadow:0 6px 18px rgba(27,23,32,.06);
  transition:all .2s ease;
}
.hero-scroll a:hover{transform:translateY(3px);border-color:var(--brand)}

/* ---------- 卖点：错落图文条 ---------- */
.feature-stack{display:flex;flex-direction:column;gap:24px}
@media(min-width:1024px){.feature-stack{gap:36px}}
.feature-row{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--shadow-card);transition:all .25s ease;
}
@media(min-width:768px){.feature-row{grid-template-columns:1fr 1fr;gap:32px;padding:26px}}
.feature-row:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-4px)}
@media(min-width:1024px){
  .feature-row.reverse .feature-text{order:2}
  .feature-row.reverse .feature-media{order:1}
}
.feature-media{border-radius:var(--r-md);overflow:hidden;background:var(--bg-2);border:1px solid var(--line)}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease}
.feature-row:hover .feature-media img{transform:scale(1.03)}
.num-badge{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;
  border-radius:12px;background:var(--grad-main);color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 8px 18px rgba(255,92,57,.26);margin-bottom:16px;
}
.feature-h3{font-size:20px;font-weight:700;margin-bottom:10px}
.feature-desc{color:var(--ink-2);font-size:15px;line-height:1.85}
.point-list{margin:16px 0 18px;display:flex;flex-direction:column;gap:9px}
.point{position:relative;padding-left:20px;font-size:14px;color:var(--ink-2)}
.point::before{
  content:"";position:absolute;left:2px;top:9px;width:8px;height:8px;border-radius:999px;background:var(--grad-cool);
}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:1fr;gap:44px;align-items:center}
@media(min-width:1024px){.demo-grid{grid-template-columns:5fr 7fr;gap:56px}}
.phone{
  width:100%;max-width:320px;margin:0 auto;background:#241C28;border-radius:38px;padding:12px;
  box-shadow:0 30px 70px rgba(0,0,0,.5);border:1px solid rgba(255,255,255,.10);
}
.phone-screen{border-radius:28px;overflow:hidden;background:var(--bg-2)}
.phone-screen img{width:100%;aspect-ratio:9/16;object-fit:cover}
.step-pills{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 28px}
.step-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.78);font-size:14px;font-weight:600;transition:all .2s ease;
}
.step-pill:hover{background:rgba(255,255,255,.14);color:#fff}
.step-pill.is-active{background:var(--grad-main);border-color:transparent;color:#fff;box-shadow:0 10px 24px rgba(255,92,57,.34)}
.shot-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.shot-grid{grid-template-columns:repeat(3,1fr)}}
.shot-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-md);
  padding:12px;transition:all .22s ease;
}
.shot-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.10)}
.shot-card img{border-radius:12px;width:100%;aspect-ratio:4/3;object-fit:cover}
.shot-title{font-size:14px;font-weight:700;margin-top:12px}
.shot-desc{font-size:13px;color:rgba(255,255,255,.64);margin-top:4px;line-height:1.7}

/* ---------- 证据区 ---------- */
.proof-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
@media(min-width:768px){.proof-stats{grid-template-columns:repeat(4,1fr);gap:20px}}
.proof-stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 18px;
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;transition:all .22s ease;
}
.proof-stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.proof-stat::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:var(--grad-cool)}
.proof-num{font-size:28px;font-weight:800;background:var(--grad-cool);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(min-width:768px){.proof-num{font-size:34px}}
.proof-label{font-size:13px;color:var(--ink-2);margin-top:6px}
.logo-wall{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.logo-chip{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px dashed var(--line);background:#fff;color:var(--ink-3);font-size:13px;font-weight:600;
  filter:grayscale(100%);transition:all .22s ease;
}
.logo-chip:hover{filter:grayscale(0);color:var(--brand);border-color:rgba(255,92,57,.4);border-style:solid}
.review-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:44px}
@media(min-width:768px){.review-grid{grid-template-columns:repeat(3,1fr)}}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--shadow-card);transition:all .22s ease;display:flex;flex-direction:column;gap:14px;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.review-head{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:999px;background:var(--grad-main);flex:none;
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:16px}
.review-name{font-size:15px;font-weight:700}
.review-role{font-size:12px;color:var(--ink-3)}
.stars{color:var(--accent);font-size:14px;letter-spacing:2px}
.review-text{font-size:14px;color:var(--ink-2);line-height:1.8}

.timeline{margin-top:48px;position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),rgba(255,209,102,.2))}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:7px;width:14px;height:14px;border-radius:999px;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(255,92,57,.12);
}
.tl-date{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em}
.tl-text{font-size:14px;color:var(--ink-2);margin-top:4px}

/* ---------- 内容列表 ---------- */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.post-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){
  .post-grid{grid-template-columns:repeat(3,1fr)}
  .post-card.is-feature{grid-column:span 2}
}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-card);transition:all .25s ease;height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.post-link{display:flex;flex-direction:column;height:100%}
.post-cover{overflow:hidden;background:var(--bg-2);aspect-ratio:16/9}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:25px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:rgba(255,92,57,.10);color:var(--brand);white-space:nowrap;
}
.pill-soft{background:var(--bg-2);color:var(--brand)}
.pill-cool{background:rgba(18,179,155,.12);color:#0E8F9E}
.post-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--brand)}
.post-summary{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3)}
.post-arrow{color:var(--brand);font-weight:700;transition:transform .22s ease}
.post-card:hover .post-arrow{transform:translateX(4px)}
.empty-state{
  border:2px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center;background:#fff;
}
.empty-icon{
  width:56px;height:56px;border-radius:999px;margin:0 auto 16px;background:var(--bg-2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;
}
.empty-title{font-size:17px;font-weight:700}
.empty-desc{font-size:14px;color:var(--ink-2);margin:8px 0 20px}

/* ---------- 方案区 ---------- */
.price-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
@media(min-width:768px){.price-grid{grid-template-columns:repeat(3,1fr)}}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 24px;
  box-shadow:var(--shadow-card);position:relative;transition:all .25s ease;height:100%;
  display:flex;flex-direction:column;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
@media(min-width:768px){.price-card.is-featured{transform:translateY(-10px);border-color:transparent}
  .price-card.is-featured:hover{transform:translateY(-14px)}}
.price-card.is-featured{
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-main) border-box;
  border:2px solid transparent;box-shadow:0 18px 46px rgba(255,92,57,.18);
}
.price-tag{
  position:absolute;top:-14px;right:24px;background:var(--grad-main);color:#fff;font-size:12px;font-weight:700;
  padding:6px 16px;border-radius:999px;box-shadow:0 8px 18px rgba(255,92,57,.30);
}
.price-name{font-size:18px;font-weight:700}
.price-value{font-size:30px;font-weight:800;margin:14px 0 6px;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent}
.price-desc{font-size:14px;color:var(--ink-2);line-height:1.75;min-height:48px}
.benefit-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:11px}
.benefit{position:relative;padding-left:26px;font-size:14px;color:var(--ink-2)}
.benefit::before{
  content:"✓";position:absolute;left:0;top:0;width:18px;height:18px;border-radius:999px;
  background:rgba(18,179,155,.14);color:#0E8F9E;font-size:11px;font-weight:800;
  display:flex;align-items:center;justify-content:center;line-height:1;
}
.price-card .btn{width:100%;margin-top:auto}
.compare-bar{
  margin-top:32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;display:flex;flex-wrap:wrap;gap:18px 32px;align-items:center;
  box-shadow:var(--shadow-card);
}
.compare-item{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2)}
.compare-dot{width:10px;height:10px;border-radius:999px;background:var(--grad-main);flex:none}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:all .22s ease;position:relative;
}
.faq-item:hover{border-color:rgba(255,92,57,.4)}
.faq-item[open]{box-shadow:var(--shadow-card)}
.faq-item[open]::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-main)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;font-size:16px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:30px;height:30px;border-radius:999px;flex:none;background:var(--bg-2);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;line-height:1;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad-main);color:#fff}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- 结尾 CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;background:var(--grad-main);color:#fff;
  padding:44px 28px;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  box-shadow:0 26px 60px rgba(255,92,57,.28);
}
@media(min-width:768px){.cta-card{padding:56px 48px;grid-template-columns:1.4fr 1fr}}
.cta-card::before{content:"";position:absolute;top:-90px;right:-60px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.18)}
.cta-card::after{content:"";position:absolute;bottom:-120px;left:20%;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-inner{position:relative;z-index:2}
.cta-title{font-size:26px;font-weight:800;line-height:1.3}
@media(min-width:768px){.cta-title{font-size:34px}}
.cta-desc{margin-top:12px;font-size:15px;color:rgba(255,255,255,.92);max-width:520px;line-height:1.8}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}
.btn-white{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(27,23,32,.16)}
.btn-white:hover{transform:translateY(-2px);background:#fff;box-shadow:0 16px 34px rgba(27,23,32,.22)}
.btn-outline-white{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-white:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:56px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.10)}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px}}
.footer-brand .logo-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-top:16px;max-width:320px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-btn{
  width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:rgba(255,255,255,.8);
  transition:all .2s ease;
}
.social-btn:hover{background:var(--grad-main);border-color:transparent;color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:5px 0;transition:all .2s ease}
.footer-link:hover{color:#FF9F1C;transform:translateX(3px)}
.newsletter{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}
.newsletter input{
  flex:1;min-width:160px;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;outline:none;
  transition:all .2s ease;
}
.newsletter input::placeholder{color:rgba(255,255,255,.42)}
.newsletter input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,57,.20)}
.newsletter .btn{min-height:48px;padding:0 22px}
.footer-note{font-size:12px;color:rgba(255,255,255,.42);margin-top:12px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 24px;border-radius:999px;
  background:var(--grad-main);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 30px rgba(255,92,57,.35);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .25s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{filter:brightness(1.06);transform:translateY(-3px)}
.float-cta-icon{width:24px;height:24px;border-radius:999px;background:rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;font-size:13px}
@media(max-width:767px){
  .float-cta{
    left:0;right:0;bottom:0;height:auto;min-height:62px;border-radius:0;padding:10px 18px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta .float-text{font-size:14px;font-weight:600}
  .float-cta .float-btn{background:#fff;color:var(--brand);border-radius:999px;padding:8px 18px;font-size:13px;font-weight:700}
}

/* roulang page: article */
:root{
  --brand:#FF5C39;
  --brand-2:#FF9F1C;
  --brand-3:#12B39B;
  --accent:#FFD166;
  --ink:#1B1720;
  --ink-2:#57505E;
  --ink-3:#8B8494;
  --line:#EDE6E0;
  --bg:#FFFBF7;
  --bg-2:#FDF3EC;
  --deep:#1A141C;
  --grad:linear-gradient(115deg,#FF5C39 0%,#FF9F1C 55%,#FFD166 100%);
  --grad-soft:linear-gradient(115deg,rgba(255,92,57,.10) 0%,rgba(255,159,28,.10) 55%,rgba(255,209,102,.14) 100%);
  --grad-cool:linear-gradient(120deg,#12B39B 0%,#0E8F9E 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(27,23,32,.04),0 12px 32px rgba(255,92,57,.08);
  --sh-2:0 8px 20px rgba(27,23,32,.08),0 20px 48px rgba(255,92,57,.14);
  --sh-cta:0 10px 30px rgba(255,92,57,.35);
  --nav-h:74px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:64px 0}
@media (min-width:768px){.section{padding:88px 0}}
@media (min-width:1024px){.section{padding:112px 0}}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:6px}

/* ============ 顶部公告 ============ */
.topbar{
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--ink-2);
}
.topbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:40px;padding:6px 0;
}
.topbar strong{color:var(--brand);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:10px;white-space:nowrap}
.topbar-close{width:26px;height:26px;border-radius:999px;color:var(--ink-3);display:grid;place-items:center}
.topbar-close:hover{background:#fff;color:var(--brand)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,251,247,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(27,23,32,.07);background:rgba(255,255,255,.92)}
.header-inner{
  display:flex;align-items:center;gap:18px;
  min-height:var(--nav-h);
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:800;font-size:19px;
  display:grid;place-items:center;box-shadow:0 6px 16px rgba(255,92,57,.32);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.1}
.logo-text em{font-style:normal;font-weight:600;font-size:13px;color:var(--ink-2);display:block;letter-spacing:0}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 12px;
  border-radius:12px;font-size:15px;font-weight:500;color:var(--ink-2);
  position:relative;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--bg-2)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:grid;place-items:center;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.nav-toggle{
  width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:grid;place-items:center;font-size:17px;
}
@media (min-width:1024px){
  .main-nav{display:flex}
  .nav-toggle{display:none}
}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 10px);left:-14px;width:800px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 60px rgba(27,23,32,.14);
  padding:24px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1.2fr 1fr;gap:22px}
.mega-title{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:10px}
.mega-link{display:block;padding:7px 0;font-size:14.5px;color:var(--ink-2);transition:color .2s ease,transform .2s ease}
.mega-link:hover{color:var(--brand);transform:translateX(3px)}
.mega-post{display:block;padding:9px 0;border-bottom:1px dashed var(--line)}
.mega-post:last-child{border-bottom:0}
.mega-post-title{display:block;font-size:14.5px;color:var(--ink);line-height:1.5}
.mega-post:hover .mega-post-title{color:var(--brand)}
.mega-post-time{font-size:12.5px;color:var(--ink-3)}
.mega-card{
  background:var(--grad);border-radius:var(--r-md);padding:20px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;min-height:170px;
}
.mega-card h4{font-size:16px;font-weight:700}
.mega-card p{font-size:13px;line-height:1.7;margin-top:8px;color:rgba(255,255,255,.86)}
.mega-card-btn{
  display:inline-flex;align-items:center;justify-content:center;
  align-self:flex-start;height:36px;padding:0 16px;border-radius:999px;
  background:#fff;color:var(--brand);font-size:13.5px;font-weight:700;
  transition:transform .2s ease;
}
.mega-card-btn:hover{transform:translateY(-2px)}

/* 移动端抽屉 */
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:14px 20px 22px;max-height:calc(100vh - var(--nav-h));overflow:auto;
    box-shadow:0 20px 40px rgba(27,23,32,.12);
    display:none;
  }
  body.nav-open .main-nav{display:flex}
  .nav-item{width:100%}
  .nav-link{width:100%;height:48px;padding:0 12px;font-size:16px;border-radius:12px}
  .nav-link.is-active::after{display:none}
  .nav-link.is-active{background:var(--grad-soft)}
  .mega{display:none}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,92,57,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:var(--sh-cta)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--bg-2);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.98)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.text-link{
  position:relative;color:var(--brand);font-weight:600;font-size:14.5px;
  display:inline-flex;align-items:center;gap:6px;
}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.text-link:hover::after{transform:scaleX(1)}

/* ============ 通用小元件 ============ */
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,92,57,.10);color:var(--brand);
}
.pill-cool{background:rgba(18,179,155,.12);color:#0E8F9E}
.pill-warm{background:rgba(255,209,102,.24);color:#9A6A00}
.badge-num{
  background:var(--grad-cool);color:#fff;border-radius:999px;padding:4px 12px;
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;gap:6px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:var(--grad-soft);border:1px solid rgba(255,92,57,.18);
  color:var(--brand);font-size:13px;font-weight:600;
}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:var(--grad-soft);
  border-bottom:1px solid var(--line);
  padding:34px 0 40px;
}
.article-hero::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;top:-200px;background:radial-gradient(circle,rgba(255,159,28,.22),transparent 68%);
}
.article-hero::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  left:-120px;bottom:-180px;background:radial-gradient(circle,rgba(18,179,155,.16),transparent 68%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-3);margin-bottom:18px;
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C9C0BB}
.breadcrumb .current{color:var(--ink);max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-h1{
  font-size:30px;font-weight:800;line-height:1.24;letter-spacing:-.02em;
  max-width:900px;margin:14px 0 18px;
}
@media (min-width:768px){.article-h1{font-size:38px}}
@media (min-width:1024px){.article-h1{font-size:44px}}
.article-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-3);font-size:13px}

/* ============ 布局 ============ */
.layout{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding:48px 0 72px;
}
@media (min-width:1280px){
  .layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding:64px 0 88px}
}
.main-col{min-width:0;max-width:820px}
@media (min-width:1280px){.main-col{max-width:none}}

.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px;
}
@media (min-width:768px){.panel{padding:36px 40px}}

/* ============ 正文排版 ============ */
.article-body{font-size:16.5px;line-height:1.85;color:var(--ink);overflow-wrap:break-word}
.article-body > * + *{margin-top:18px}
.article-body h2{
  font-size:23px;font-weight:700;margin-top:38px;padding-left:14px;position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:19px;font-weight:700;margin-top:30px;color:var(--ink)}
.article-body h4{font-size:17px;font-weight:600;margin-top:24px}
.article-body p{color:#241F2A}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(255,92,57,.35)}
.article-body a:hover{border-bottom-color:var(--brand)}
.article-body ul,.article-body ol{padding-left:22px}
.article-body ul li{list-style:none;position:relative;padding-left:20px;margin-top:10px;color:#241F2A}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:50%;background:var(--brand-3);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-top:10px;padding-left:6px;color:#241F2A}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--r-md);
  background:var(--bg-2);border-left:4px solid var(--brand);color:var(--ink-2);
}
.article-body img{border-radius:var(--r-md);margin:26px auto;box-shadow:var(--sh-1);height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:14.5px;margin:26px 0;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--bg-2);font-weight:600;color:var(--ink)}
.article-body code{
  background:var(--bg-2);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:#B23A1B;
}
.article-body pre{
  background:var(--deep);color:#F4EFEC;border-radius:var(--r-md);padding:20px 22px;overflow:auto;font-size:14px;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:34px 0}
.article-body strong{font-weight:700}

.empty-state{
  text-align:center;padding:60px 24px;border:1.5px dashed var(--line);border-radius:var(--r-lg);
  background:var(--bg-2);
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--grad-soft);color:var(--brand);
  display:grid;place-items:center;font-size:24px;margin:0 auto 18px;
}
.empty-state h3{font-size:19px;font-weight:700}
.empty-state p{font-size:14.5px;color:var(--ink-2);margin:10px auto 22px;max-width:420px}

/* ============ 文末模块 ============ */
.article-tail{margin-top:36px;display:grid;gap:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-row .label{font-size:13.5px;color:var(--ink-3)}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:all .2s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--bg-2);transform:translateY(-2px)}
.action-row{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.share-row{display:flex;align-items:center;gap:10px}
.share-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);display:grid;place-items:center;transition:all .2s ease;
}
.share-btn:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-2px)}
.like-btn{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;border-radius:999px;
  background:var(--grad-soft);color:var(--brand);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.like-btn:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}

.postnav{display:grid;gap:16px;grid-template-columns:1fr}
@media (min-width:768px){.postnav{grid-template-columns:1fr 1fr}}
.postnav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;transition:all .2s ease;
}
.postnav-card:hover{border-color:rgba(255,92,57,.5);box-shadow:var(--sh-2);transform:translateY(-4px)}
.postnav-card .k{font-size:12.5px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
.postnav-card .t{display:block;margin-top:8px;font-size:15.5px;font-weight:600;line-height:1.55}
.postnav-card:hover .t{color:var(--brand)}

.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.related-head h2{font-size:22px;font-weight:700}
.related-head h2 span{
  display:block;font-size:13px;font-weight:500;color:var(--ink-3);margin-top:6px;letter-spacing:0;
}
.card-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1280px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:all .25s ease;height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,57,.32)}
.card-media{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5}
.card:hover .card-body h3{color:var(--brand)}
.card-body p{font-size:14px;color:var(--ink-2);line-height:1.72}
.card-foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);
}
.card-foot i{color:var(--brand);transition:transform .2s ease}
.card:hover .card-foot i{transform:translateX(4px)}

.back-row{margin-top:30px;display:flex;justify-content:center}

/* ============ 侧栏 ============ */
.side-col{display:grid;gap:22px;align-content:start}
@media (min-width:1280px){
  .side-col{position:sticky;top:calc(var(--nav-h) + 22px)}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-title{
  font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.side-title i{color:var(--brand)}
.toc-list{border-left:2px solid var(--line);padding-left:14px;display:grid;gap:10px}
.toc-list a{font-size:14px;color:var(--ink-2);transition:color .2s ease,padding-left .2s ease}
.toc-list a:hover{color:var(--brand);padding-left:4px}
.hot-list{display:grid;gap:14px}
.hot-item{display:flex;gap:12px;align-items:flex-start}
.hot-rank{
  flex:0 0 26px;height:26px;border-radius:9px;background:var(--bg-2);color:var(--brand);
  font-size:12.5px;font-weight:700;display:grid;place-items:center;
}
.hot-item:nth-child(1) .hot-rank{background:var(--grad);color:#fff}
.hot-item:nth-child(2) .hot-rank{background:rgba(255,159,28,.22);color:#B36A00}
.hot-item:nth-child(3) .hot-rank{background:rgba(18,179,155,.16);color:#0E8F9E}
.hot-item h4{font-size:14.5px;font-weight:500;line-height:1.6;color:var(--ink)}
.hot-item:hover h4{color:var(--brand)}
.hot-item span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}
.side-cta{
  background:var(--grad);border-radius:var(--r-lg);padding:24px;color:#fff;
  position:relative;overflow:hidden;box-shadow:0 14px 34px rgba(255,92,57,.30);
}
.side-cta::after{
  content:"";position:absolute;width:150px;height:150px;border-radius:50%;
  right:-60px;bottom:-70px;background:rgba(255,255,255,.18);
}
.side-cta h3{font-size:18px;font-weight:700;position:relative}
.side-cta p{font-size:13.5px;line-height:1.7;margin:10px 0 18px;color:rgba(255,255,255,.9);position:relative}
.side-cta .btn{
  background:#fff;color:var(--brand);height:44px;padding:0 20px;font-size:14px;position:relative;
}
.side-cta .btn:hover{transform:translateY(-2px)}
.side-meta{display:grid;gap:12px}
.side-meta-row{display:flex;align-items:center;justify-content:space-between;font-size:14px;gap:12px}
.side-meta-row span:first-child{color:var(--ink-3)}
.side-meta-row span:last-child{color:var(--ink);font-weight:600}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:70;
  display:none;align-items:center;gap:10px;height:56px;padding:0 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:var(--sh-cta);transition:all .25s ease;
}
.float-cta:hover{transform:translateY(-3px);filter:brightness(1.05)}
.float-cta.is-show{display:inline-flex}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -8px 26px rgba(27,23,32,.10);
}
.mobile-bar .mb-text{font-size:13px;color:var(--ink-2);line-height:1.5}
.mobile-bar .mb-text strong{display:block;font-size:14.5px;color:var(--ink)}
.mobile-bar .btn{height:44px;padding:0 20px;font-size:14px}
@media (min-width:1024px){.mobile-bar{display:none}}

/* ============ CTA 大卡 ============ */
.cta-band{
  background:var(--grad);border-radius:32px;padding:40px 32px;color:#fff;
  position:relative;overflow:hidden;display:grid;gap:26px;
  box-shadow:0 24px 60px rgba(255,92,57,.28);
}
@media (min-width:768px){.cta-band{padding:54px 52px;grid-template-columns:1.4fr .9fr;align-items:center}}
.cta-band::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  right:-90px;top:-120px;background:rgba(255,255,255,.16);
}
.cta-band::after{
  content:"";position:absolute;width:200px;height:200px;border-radius:50%;
  left:-70px;bottom:-110px;background:rgba(255,255,255,.12);
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:26px;font-weight:800;line-height:1.3}
@media (min-width:768px){.cta-band h2{font-size:32px}}
.cta-band p{font-size:15px;line-height:1.8;margin-top:12px;color:rgba(255,255,255,.92);max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-white{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(27,23,32,.16)}
.cta-actions .btn-white:hover{transform:translateY(-2px)}
.cta-actions .btn-line{border:1px solid rgba(255,255,255,.65);color:#fff}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#CFC7D0;margin-top:80px;padding:60px 0 26px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr}}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text em{color:#A79FAC}
.footer-desc{font-size:14px;line-height:1.8;color:#A79FAC;margin-top:16px;max-width:360px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:#A79FAC;padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-link:hover{color:var(--brand-2);transform:translateX(3px)}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.08);
  color:#CFC7D0;display:grid;place-items:center;font-size:13.5px;
  transition:all .2s ease;
}
.social-btn:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.newsletter{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.newsletter input{
  flex:1 1 160px;height:48px;border-radius:14px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;transition:all .2s ease;
}
.newsletter input::placeholder{color:#867E8E}
.newsletter input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);box-shadow:0 0 0 4px rgba(255,92,57,.18)}
.newsletter .btn{height:48px;padding:0 22px;font-size:14px}
.footer-note{font-size:12.5px;color:#867E8E;margin-top:12px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#867E8E;
}
@media (max-width:1023px){
  body{padding-bottom:78px}
  .site-footer{padding-bottom:96px}
}

/* roulang page: category1 */
:root{
  --brand:#FF5C39;
  --brand-2:#FF9F1C;
  --brand-3:#12B39B;
  --accent:#FFD166;
  --ink:#1B1720;
  --ink-2:#57505E;
  --ink-3:#8B8494;
  --line:#EDE6E0;
  --bg:#FFFBF7;
  --bg-2:#FDF3EC;
  --deep:#1A141C;
  --grad:linear-gradient(115deg,#FF5C39 0%,#FF9F1C 55%,#FFD166 100%);
  --grad-cool:linear-gradient(120deg,#12B39B 0%,#0E8F9E 100%);
  --shadow-card:0 2px 8px rgba(27,23,32,.04),0 12px 32px rgba(255,92,57,.08);
  --shadow-card-hover:0 8px 20px rgba(27,23,32,.08),0 20px 48px rgba(255,92,57,.14);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,251,247,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(255,92,57,.32);
}
.logo-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-item{position:relative}
.nav-link{
  display:inline-flex;align-items:center;height:44px;padding:0 14px;
  border-radius:999px;font-size:15px;color:var(--ink-2);font-weight:500;
  transition:all .2s ease;position:relative;
}
.nav-link:hover{color:var(--brand);background:var(--bg-2)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;
  border-radius:999px;background:var(--grad);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--ink-2);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--bg-2)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* mega panel */
.mega{
  position:absolute;top:calc(100% + 10px);left:0;width:760px;max-width:calc(100vw - 48px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 24px 64px rgba(27,23,32,.14);padding:24px;
  opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-6px);
  transition:all .18s ease;z-index:70;
}
.nav-item:hover .mega,.nav-item:focus-within .mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);
}
.mega-grid{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:24px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px}
.mega-link{
  display:block;padding:9px 12px;border-radius:12px;font-size:14px;color:var(--ink-2);
  transition:all .2s ease;
}
.mega-link:hover{background:var(--bg-2);color:var(--brand);padding-left:16px}
.mega-post{
  display:block;padding:10px 12px;border-radius:12px;transition:all .2s ease;
}
.mega-post:hover{background:var(--bg-2)}
.mega-post-title{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-post:hover .mega-post-title{color:var(--brand)}
.mega-post-time{display:block;font-size:12px;color:var(--ink-3);margin-top:2px}
.mega-card{
  background:var(--grad);border-radius:var(--r-md);padding:20px;color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;min-height:180px;
}
.mega-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
.mega-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.92)}
.mega-card-btn{
  align-self:flex-start;background:#fff;color:var(--brand);font-size:13px;font-weight:700;
  padding:9px 18px;border-radius:999px;transition:all .2s ease;
}
.mega-card-btn:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.18)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,92,57,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,92,57,.4);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--bg-2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.text-link span.u{position:relative}
.text-link span.u::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--grad);transition:right .25s ease;
}
.text-link:hover span.u::after{right:0}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:52px 0 64px;
  background-image:linear-gradient(115deg,rgba(26,20,28,.88) 0%,rgba(255,92,57,.82) 62%,rgba(255,159,28,.78) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 86% 12%,rgba(255,255,255,.22),transparent 70%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.6}
.crumb .now{color:#fff;font-weight:600}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,44px);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;max-width:900px;
}
.cat-hero .lead{
  margin-top:18px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.92);max-width:760px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:9px 18px;font-size:13px;color:#fff;
  backdrop-filter:blur(6px);
}
.hero-badge b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.cat-body{padding:56px 0 24px}
.layout{display:grid;grid-template-columns:258px minmax(0,1fr);gap:32px;align-items:start}
.sidebar{position:sticky;top:96px;display:grid;gap:20px}
.filter-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-card);
}
.filter-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:14px}
.filter-pill{
  display:block;padding:10px 16px;border-radius:999px;font-size:14px;
  color:var(--ink-2);border:1px solid transparent;transition:all .2s ease;margin-bottom:8px;
}
.filter-pill:last-child{margin-bottom:0}
.filter-pill:hover{background:var(--bg-2);color:var(--brand);border-color:rgba(255,92,57,.22)}
.filter-pill.is-on{
  background:var(--grad);color:#fff;font-weight:700;border-color:transparent;
  box-shadow:0 8px 18px rgba(255,92,57,.28);
}
.side-note{
  border-radius:var(--r-lg);padding:22px;color:#fff;
  background:var(--grad-cool);
}
.side-note .badge{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(255,255,255,.2);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.side-note p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.94)}
.side-note a{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;
  font-weight:700;color:#fff;border-bottom:1px solid rgba(255,255,255,.6);
}
.side-note a:hover{border-bottom-color:#fff}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--brand);background:rgba(255,92,57,.1);
  border-radius:999px;padding:5px 14px;margin-bottom:12px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block}
h2.section-title{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.25}
.section-sub{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:720px}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--shadow-card);transition:all .2s ease;
}
.post-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-card-hover);
  border-color:rgba(255,92,57,.24);
}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .card-thumb img{transform:scale(1.03)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-pill{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);
  background:rgba(255,92,57,.1);padding:4px 12px;border-radius:999px;
}
.card-title{font-size:17px;font-weight:700;line-height:1.5;transition:color .2s ease}
.post-card:hover .card-title{color:var(--brand)}
.card-desc{
  font-size:14px;color:var(--ink-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.card-meta .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease}
.post-card:hover .card-meta .arrow{transform:translateX(4px)}

/* pagination */
.pagination{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-top:40px}
.page-btn{
  min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:14px;font-variant-numeric:tabular-nums;transition:all .2s ease;
}
.page-btn:hover{border-color:var(--brand);color:var(--brand)}
.page-btn.is-current{
  background:var(--grad);color:#fff;border-color:transparent;font-weight:700;
  box-shadow:0 8px 18px rgba(255,92,57,.28);
}

/* ---------- sections ---------- */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:88px 0}}
.section-alt{background:var(--bg-2)}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--shadow-card);transition:all .2s ease;height:100%;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover);border-color:rgba(255,92,57,.22)}
.feature-num{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:14px;
  background:rgba(255,92,57,.1);color:var(--brand);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.dot-list{margin-top:16px;display:grid;gap:9px}
.dot-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--ink-2);line-height:1.7;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;
  background:var(--grad);
}

.scene-row{
  display:flex;align-items:flex-start;gap:16px;padding:18px 20px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);transition:all .2s ease;
}
.scene-row:hover{border-color:rgba(255,92,57,.26);box-shadow:var(--shadow-card)}
.scene-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-cool);color:#fff;font-weight:800;font-size:15px;
}
.scene-row h3{font-size:16px;font-weight:700;margin-bottom:6px}
.scene-row p{font-size:14px;color:var(--ink-2);line-height:1.75}

.step-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-card);transition:all .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-card-hover)}
.step-num{
  display:inline-block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:10px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* faq */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:all .2s ease;
}
.faq-item:hover{border-color:rgba(255,92,57,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,92,57,.1);color:var(--brand);font-weight:800;font-size:16px;
  transition:all .2s ease;
}
.faq-item[open] .faq-icon{background:var(--grad);color:#fff;transform:rotate(45deg)}
.faq-item[open] summary{color:var(--brand)}
.faq-answer{
  padding:0 22px 20px;font-size:14px;color:var(--ink-2);line-height:1.85;
}
.faq-item[open]::before{
  content:"";display:block;height:3px;background:var(--grad);
}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:44px 40px;color:#fff;
  background:var(--grad);display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;box-shadow:0 24px 56px rgba(255,92,57,.28);
}
.cta-band::after{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  right:-80px;top:-120px;background:rgba(255,255,255,.16);
}
.cta-band::before{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  right:120px;bottom:-120px;background:rgba(255,255,255,.1);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;letter-spacing:-.01em}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.92);max-width:620px}
.cta-band .btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(0,0,0,.16)}
.cta-band .btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(0,0,0,.22)}

/* floating cta */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 30px rgba(255,92,57,.35);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .25s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{filter:brightness(1.05);transform:translateY(-3px)}
.float-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.35)}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:55;
  display:none;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);box-shadow:0 -8px 28px rgba(27,23,32,.1);
  transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar span{font-size:13px;color:var(--ink-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);margin-top:24px}
.site-footer .container{padding-top:64px;padding-bottom:28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
@media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px}}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text em{color:var(--brand-2)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-top:16px;max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.66);padding:7px 0;transition:all .2s ease}
.footer-link:hover{color:var(--brand-2);padding-left:6px}
.social-row{display:flex;gap:10px;margin-top:20px}
.social-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);font-size:13px;
  transition:all .2s ease;
}
.social-btn:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.newsletter{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.newsletter input{
  flex:1 1 160px;min-width:0;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
  transition:all .2s ease;
}
.newsletter input::placeholder{color:rgba(255,255,255,.45)}
.newsletter input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,92,57,.22)}
.footer-note{font-size:12px;color:rgba(255,255,255,.42);margin-top:12px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media(max-width:1279px){
  .card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:1100px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static;grid-template-columns:1fr 1fr;display:grid}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-row{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:1023px){
  .mega{display:none}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:calc(100% + 1px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 20px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(27,23,32,.1);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{height:48px;width:100%;border-radius:12px;padding:0 16px}
  .nav-link.is-active{background:var(--bg-2)}
  .nav-link.is-active::after{display:none}
  .header-actions .btn-primary{height:42px;padding:0 16px;font-size:14px}
  .float-cta{display:none}
}
@media(max-width:767px){
  .sidebar{grid-template-columns:1fr}
  .header-inner{gap:12px}
  .header-actions .icon-btn{display:none}
  .cat-hero{padding:40px 0 52px}
  .cta-band{padding:32px 24px;border-radius:24px}
  .mobile-bar{display:flex}
}
@media(max-width:639px){
  .card-grid{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr}
  .pagination{gap:8px}
  .page-btn{min-width:40px;height:40px;padding:0 12px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5C39;
  --brand-2:#FF9F1C;
  --brand-3:#12B39B;
  --accent:#FFD166;
  --ink:#1B1720;
  --ink-2:#57505E;
  --ink-3:#8B8494;
  --line:#EDE6E0;
  --bg:#FFFBF7;
  --bg-2:#FDF3EC;
  --deep:#1A141C;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-1:0 2px 8px rgba(27,23,32,.04), 0 12px 32px rgba(255,92,57,.08);
  --sh-2:0 8px 20px rgba(27,23,32,.08), 0 20px 48px rgba(255,92,57,.14);
  --grad:linear-gradient(115deg,#FF5C39 0%,#FF9F1C 55%,#FFD166 100%);
  --grad-cool:linear-gradient(120deg,#12B39B 0%,#0E8F9E 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:#FFD9CE;color:#7A2413}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#E3D8D0;border-radius:99px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#CFC0B6}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

section[id],div[id]{scroll-margin-top:104px}

.grad-text{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

/* ---------- 顶部公告条 ---------- */
.notice-bar{
  background:linear-gradient(90deg,#FFF1E8 0%,#FFF8EC 55%,#EAF7F4 100%);
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
}
.notice-inner{
  display:flex;align-items:center;gap:10px;
  min-height:38px;
}
.notice-dot{
  width:8px;height:8px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,92,57,.14);flex:none;
}
.notice-inner a{margin-left:auto;color:var(--brand);font-weight:600;white-space:nowrap}
.notice-inner a:hover{text-decoration:underline}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,251,247,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;align-items:center;gap:22px;
  min-height:74px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;
  box-shadow:0 8px 20px rgba(255,92,57,.3);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text em{font-style:normal;font-weight:500;font-size:13px;color:var(--ink-3);margin-left:6px;letter-spacing:0}

.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-item{position:relative}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease,background-color .2s ease;
  white-space:nowrap;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--brand);background:var(--bg-2)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--ink-2);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--bg-2)}
.icon-btn:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px}

/* Mega 面板 */
.mega{
  position:absolute;top:calc(100% + 10px);left:-38px;width:812px;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:0 24px 60px rgba(27,23,32,.14);
  padding:24px;z-index:90;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
}
.nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:22px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);margin-bottom:12px}
.mega-link{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-2);transition:all .18s ease;
}
.mega-link:hover{background:var(--bg-2);color:var(--brand);transform:translateX(2px)}
.mega-post{
  display:block;padding:10px;border-radius:12px;transition:background-color .18s ease;
}
.mega-post:hover{background:var(--bg-2)}
.mega-post-title{display:block;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5}
.mega-post:hover .mega-post-title{color:var(--brand)}
.mega-post-time{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.mega-card{
  height:100%;border-radius:18px;padding:20px;
  background:var(--grad);color:#fff;
  display:flex;flex-direction:column;justify-content:space-between;gap:16px;
  box-shadow:0 16px 36px rgba(255,92,57,.28);
}
.mega-card h4{font-size:16px;font-weight:700;margin-bottom:6px}
.mega-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.9)}
.mega-card-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:999px;
  background:#fff;color:var(--brand);font-size:13px;font-weight:700;
  align-self:flex-start;transition:transform .2s ease;
}
.mega-card-btn:hover{transform:translateY(-2px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .2s ease;white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,92,57,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,92,57,.36);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-ghost:hover{border-color:var(--brand);background:var(--bg-2);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 10px 24px rgba(120,40,10,.18)}
.btn-light:hover{transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand-3);outline-offset:2px}
.link-arrow{
  color:var(--brand);font-weight:600;font-size:14px;position:relative;
  display:inline-flex;align-items:center;gap:6px;
}
.link-arrow::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.link-arrow:hover::after{transform:scaleX(1)}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--bg-2);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,159,28,.28),rgba(255,159,28,0) 68%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:48px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink);font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:0 4px 12px rgba(255,92,57,.08);
}
.page-hero h1{
  position:relative;
  font-size:32px;line-height:1.22;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 0;padding-left:18px;
}
.page-hero h1::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:6px;border-radius:6px;
  background:var(--grad);
}
@media (min-width:768px){.page-hero h1{font-size:42px}}
@media (min-width:1024px){.page-hero h1{font-size:46px}}
.hero-sub{
  max-width:760px;margin-top:16px;font-size:16px;line-height:1.8;color:var(--ink-2);
}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-chip{
  display:flex;align-items:baseline;gap:6px;
  padding:10px 18px;border-radius:16px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stat-chip b{
  font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad-cool);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-chip span{font-size:13px;color:var(--ink-2)}

/* ---------- 文档式布局 ---------- */
.docs-layout{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-top:56px;padding-bottom:16px;
}
@media (min-width:1024px){
  .docs-layout{grid-template-columns:258px 1fr;gap:48px;padding-top:72px}
}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
@media (min-width:1024px){
  .toc-card{position:sticky;top:104px}
}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:12px}
.toc-link{
  display:block;padding:9px 12px;border-radius:12px;
  font-size:14px;color:var(--ink-2);border-left:2px solid transparent;
  transition:all .2s ease;
}
.toc-link:hover{background:var(--bg-2);color:var(--brand)}
.toc-link.is-active{color:var(--brand);font-weight:700;background:var(--bg-2);border-left-color:var(--brand)}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;line-height:1.75;color:var(--ink-3);
}

/* ---------- 文档区 ---------- */
.doc-section{margin-bottom:64px}
.doc-section:last-child{margin-bottom:0}
.section-head{margin-bottom:24px}
.section-head h2{
  font-size:26px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
}
@media (min-width:768px){.section-head h2{font-size:32px}}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:720px}

.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);cursor:pointer;
  transition:all .2s ease;
}
.pill:hover{border-color:var(--brand);color:var(--brand)}
.pill.is-active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 8px 20px rgba(255,92,57,.24);font-weight:600;
}

.doc-list{display:flex;flex-direction:column;gap:16px}
.doc-row{
  display:grid;grid-template-columns:1fr;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
@media (min-width:640px){
  .doc-row{grid-template-columns:160px 1fr;gap:20px;align-items:flex-start}
}
.doc-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#FFD9CE}
.doc-thumb{
  aspect-ratio:16/10;border-radius:16px;overflow:hidden;background:var(--bg-2);
}
.doc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.doc-row:hover .doc-thumb img{transform:scale(1.04)}
.doc-body{min-width:0}
.doc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px}
.tag{
  display:inline-flex;align-items:center;height:25px;padding:0 12px;
  border-radius:999px;background:#FFF1EA;color:var(--brand);
  font-size:12px;font-weight:600;
}
.tag-cool{background:#E6F6F3;color:#0E8F9E}
.doc-time{font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.doc-body h3{
  font-size:18px;font-weight:700;line-height:1.5;letter-spacing:-.01em;
  transition:color .2s ease;
}
.doc-row:hover .doc-body h3{color:var(--brand)}
.doc-body p{margin-top:8px;font-size:14.5px;line-height:1.78;color:var(--ink-2)}
.doc-points{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:12px}
.doc-points li{
  position:relative;padding-left:14px;font-size:13px;color:var(--ink-2);
}
.doc-points li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
  background:var(--grad);
}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;margin-top:8px;padding-left:26px;
  border-left:2px solid var(--line);
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-35px;top:7px;width:14px;height:14px;
  border-radius:50%;background:#fff;border:3px solid var(--brand-3);
}
.tl-item.is-now::before{border-color:var(--brand);box-shadow:0 0 0 5px rgba(255,92,57,.14)}
.tl-time{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.tl-title{font-size:16px;font-weight:600;margin-top:4px}
.tl-desc{font-size:14px;color:var(--ink-2);margin-top:6px;line-height:1.78}

/* ---------- 图文交替 ---------- */
.split-block{
  display:grid;grid-template-columns:1fr;gap:24px;
  align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
}
.split-block + .split-block{margin-top:20px}
@media (min-width:900px){
  .split-block{grid-template-columns:1fr 1fr;gap:36px;padding:28px}
  .split-block.reverse .split-media{order:2}
}
.split-media{
  aspect-ratio:16/10;border-radius:18px;overflow:hidden;background:var(--bg-2);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.split-body p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2)}
.split-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.split-list li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2)}
.split-list li::before{
  content:"";position:absolute;left:0;top:8px;width:10px;height:10px;border-radius:4px;
  background:var(--grad-cool);
}

/* ---------- FAQ ---------- */
.faq-list{margin-top:8px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#FFCFC0;box-shadow:var(--sh-1)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand);font-size:16px;line-height:1;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
}
.faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

/* ---------- CTA 横条 ---------- */
.cta-band{padding:8px 0 0}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:32px;padding:34px 28px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:0 24px 60px rgba(255,92,57,.28);
}
@media (min-width:900px){
  .cta-card{flex-direction:row;align-items:center;justify-content:space-between;padding:44px}
}
.cta-card h2{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.01em}
@media (min-width:768px){.cta-card h2{font-size:32px}}
.cta-card p{margin-top:10px;color:rgba(255,255,255,.92);font-size:15px;max-width:620px;line-height:1.8}
.cta-deco{
  position:absolute;border-radius:50%;background:rgba(255,255,255,.16);
}
.cta-deco.d1{width:220px;height:220px;right:-60px;top:-90px}
.cta-deco.d2{width:140px;height:140px;right:110px;bottom:-80px;background:rgba(255,255,255,.1)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--deep);color:#B9B2BE;
  padding:56px 0 0;font-size:14px;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-top:40px;border-top:1px solid rgba(255,255,255,.08);
  padding-bottom:40px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px}}
.site-footer .logo-mark{box-shadow:none}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text em{color:#9E96A6}
.footer-desc{margin-top:14px;font-size:13.5px;line-height:1.8;color:#9E96A6;max-width:340px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-btn{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:13px;
  background:rgba(255,255,255,.06);color:#CFC8D6;
  transition:all .2s ease;
}
.social-btn:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-link{
  display:block;font-size:13.5px;color:#9E96A6;padding:5px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer-link:hover{color:var(--brand);transform:translateX(3px)}
.newsletter{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.newsletter input{
  height:48px;border-radius:14px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);padding:0 16px;font-size:14px;color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.newsletter input::placeholder{color:#807890}
.newsletter input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,92,57,.18);
}
.footer-note{margin-top:12px;font-size:12.5px;color:#7C7488}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.08);
  font-size:12.5px;color:#7C7488;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 22px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 10px 30px rgba(255,92,57,.35);
  transition:transform .2s ease,box-shadow .2s ease;
}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(255,92,57,.42)}
@media (max-width:767px){
  .float-cta{right:16px;bottom:16px;height:46px;padding:0 18px;font-size:14px}
}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-inner{flex-wrap:wrap;gap:12px;padding-top:10px;padding-bottom:8px}
  .main-nav{
    order:3;width:100%;margin-left:0;gap:0;
    overflow-x:auto;-webkit-overflow-scrolling:touch;
    padding-bottom:6px;
  }
  .main-nav::-webkit-scrollbar{height:0}
  .nav-actions{margin-left:auto}
  .mega{display:none}
  .nav-link{height:40px;padding:0 12px;font-size:14px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .logo-text em{display:none}
  .page-hero .container{padding-top:32px;padding-bottom:36px}
  .page-hero h1{font-size:26px;padding-left:14px}
  .hero-sub{font-size:15px}
  .notice-inner{font-size:12.5px}
}

/* roulang page: category3 */
:root{
    --brand:#FF5C39;
    --brand-2:#FF9F1C;
    --brand-3:#12B39B;
    --accent:#FFD166;
    --ink:#1B1720;
    --ink-2:#57505E;
    --ink-3:#8B8494;
    --line:#EDE6E0;
    --bg:#FFFBF7;
    --bg-2:#FDF3EC;
    --deep:#1A141C;
    --grad:linear-gradient(115deg,#FF5C39 0%,#FF9F1C 55%,#FFD166 100%);
    --grad-cool:linear-gradient(120deg,#12B39B 0%,#0E8F9E 100%);
    --shadow-sm:0 2px 8px rgba(27,23,32,.04),0 12px 32px rgba(255,92,57,.08);
    --shadow-md:0 8px 20px rgba(27,23,32,.08),0 20px 48px rgba(255,92,57,.14);
    --r-l:26px;
    --r-m:20px;
    --r-s:14px;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.75;
    color:var(--ink);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s,background-color .2s,border-color .2s}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  input{font:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  .num{font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}

  .section{padding:56px 0}
  @media (min-width:768px){.section{padding:76px 0}}
  @media (min-width:1024px){.section{padding:92px 0}}
  .section[id]{scroll-margin-top:100px}

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:30px}
  .section-title{font-size:26px;line-height:1.25;font-weight:800;letter-spacing:-.02em}
  @media (min-width:768px){.section-title{font-size:32px}}
  @media (min-width:1024px){.section-title{font-size:38px}}
  .section-sub{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:660px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(255,92,57,.10);color:var(--brand);font-size:13px;font-weight:600}
  .eyebrow.cool{background:rgba(18,179,155,.12);color:#0E8F9E}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:50px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:all .2s}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,92,57,.28)}
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,92,57,.36);filter:brightness(1.04)}
  .btn-primary:active{transform:translateY(0) scale(.98)}
  .btn-ghost{background:#fff;border:1px solid var(--line);color:var(--brand)}
  .btn-ghost:hover{border-color:var(--brand);background:var(--bg-2);transform:translateY(-2px)}
  .btn-ghost:active{transform:translateY(0) scale(.98)}
  .btn-white{background:#fff;color:var(--brand);box-shadow:0 10px 26px rgba(0,0,0,.14)}
  .btn-white:hover{transform:translateY(-2px)}
  .btn-outline-w{border:1px solid rgba(255,255,255,.62);color:#fff}
  .btn-outline-w:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
  .btn-sm{height:40px;padding:0 18px;font-size:14px}
  .btn:focus-visible,.nav-link:focus-visible,.tag:focus-visible,.icon-btn:focus-visible,.footer-link:focus-visible,.social-btn:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px}

  .link-more{position:relative;display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:700}
  .link-more::after{content:"";position:absolute;left:0;bottom:-3px;height:2px;width:0;background:var(--grad);transition:width .25s}
  .link-more:hover::after{width:100%}

  /* ---------- 顶部公告 ---------- */
  .announce{background:linear-gradient(100deg,rgba(255,92,57,.10),rgba(255,209,102,.24));border-bottom:1px solid var(--line)}
  .announce-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0;font-size:13px;color:var(--ink-2)}
  .announce strong{color:var(--brand)}
  .announce-close{width:26px;height:26px;border-radius:999px;display:grid;place-items:center;color:var(--ink-3);font-size:14px;transition:all .2s}
  .announce-close:hover{background:#fff;color:var(--brand)}

  /* ---------- 导航 ---------- */
  .site-header{position:sticky;top:0;z-index:80;background:rgba(255,251,247,.88);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .25s}
  .site-header.is-stuck{box-shadow:0 6px 24px rgba(27,23,32,.07)}
  .header-inner{position:relative;display:flex;align-items:center;gap:16px;height:74px}

  .logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{width:40px;height:40px;border-radius:13px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;box-shadow:0 8px 20px rgba(255,92,57,.30);flex-shrink:0}
  .logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;line-height:1.15;letter-spacing:-.01em}
  .logo-text em{font-style:normal;font-size:11.5px;font-weight:500;color:var(--ink-3);letter-spacing:0}

  .main-nav{display:none}
  @media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:2px;margin-left:10px}}
  .nav-item{position:relative}
  .nav-link{position:relative;display:inline-flex;align-items:center;height:42px;padding:0 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-2);transition:all .2s}
  .nav-link:hover{color:var(--brand);background:rgba(255,92,57,.07)}
  .nav-link.is-active{color:var(--brand);font-weight:700}
  .nav-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:5px;height:3px;border-radius:3px;background:var(--grad)}

  .mega{position:absolute;top:calc(100% + 8px);left:-150px;width:820px;padding:22px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:0 24px 60px rgba(27,23,32,.13);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s;z-index:90}
  .nav-item:hover .mega,.nav-item:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
  .mega-grid{display:grid;grid-template-columns:1.05fr 1.05fr .95fr;gap:22px}
  .mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--ink-3);margin-bottom:10px}
  .mega-link{display:block;padding:8px 10px;border-radius:12px;font-size:14px;color:var(--ink-2)}
  .mega-link:hover{background:var(--bg-2);color:var(--brand)}
  .mega-post{display:block;padding:9px 10px;border-radius:12px}
  .mega-post-title{display:block;font-size:14px;font-weight:600;color:var(--ink)}
  .mega-post:hover .mega-post-title{color:var(--brand)}
  .mega-post-time{font-size:12px;color:var(--ink-3)}
  .mega-card{height:100%;display:flex;flex-direction:column;justify-content:space-between;gap:16px;padding:18px;border-radius:20px;background:var(--grad);color:#fff}
  .mega-card h4{font-size:16px;font-weight:700;margin-bottom:8px}
  .mega-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.92)}
  .mega-card-btn{align-self:flex-start;display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 16px;border-radius:999px;background:#fff;color:#FF5C39;font-size:13px;font-weight:700;transition:all .2s}
  .mega-card-btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(0,0,0,.16)}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  .icon-btn{width:42px;height:42px;border-radius:999px;display:grid;place-items:center;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all .2s}
  .icon-btn:hover{color:var(--brand);border-color:var(--brand)}
  .hamburger{display:grid;place-content:center;gap:4px;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;transition:all .2s}
  .hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:background .2s}
  .hamburger:hover{border-color:var(--brand)}
  .hamburger:hover span{background:var(--brand)}
  @media (min-width:1024px){.hamburger{display:none}}

  .mobile-drawer{display:none;position:absolute;left:0;right:0;top:100%;padding:14px 20px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 22px 44px rgba(27,23,32,.12)}
  #navToggle:checked ~ .mobile-drawer{display:block}
  @media (min-width:1024px){.mobile-drawer{display:none !important}}
  .mobile-drawer a{display:block;padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--ink-2)}
  .mobile-drawer a:hover{background:var(--bg-2);color:var(--brand)}
  .mobile-drawer a.is-active{color:var(--brand);background:rgba(255,92,57,.08)}

  /* ---------- Hero ---------- */
  .hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#FFF3EA 0%,#FFFBF7 48%,#FDF3EC 100%)}
  .hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,92,57,.14) 1px,transparent 1px);background-size:22px 22px;opacity:.7;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 72%);mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 72%);pointer-events:none}
  .hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:36px;padding:46px 0 54px}
  @media (min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;align-items:center;gap:52px;padding:68px 0 80px}}

  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
  .crumb a:hover{color:var(--brand)}
  .crumb-now{color:var(--ink)}

  .hero h1{margin-top:18px;font-size:33px;line-height:1.16;font-weight:800;letter-spacing:-.02em}
  @media (min-width:768px){.hero h1{font-size:44px}}
  @media (min-width:1024px){.hero h1{font-size:50px}}
  .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

  .hero-lead{margin-top:18px;font-size:16px;color:var(--ink-2);max-width:580px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
  .stat{min-width:132px;padding:12px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-sm)}
  .stat-num{font-size:24px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
  .stat-label{font-size:12.5px;color:var(--ink-3)}
  .hero-note{margin-top:20px;font-size:13px;color:var(--ink-3)}

  .hero-visual{position:relative}
  .hero-media{position:relative;border-radius:28px;overflow:hidden;box-shadow:0 24px 60px rgba(27,23,32,.15);background:var(--bg-2)}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s}
  .hero-media:hover img{transform:scale(1.03)}
  .hero-badge{position:absolute;padding:12px 16px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:0 14px 34px rgba(27,23,32,.14)}
  .hero-badge .stat-num{font-size:22px}
  .hero-badge.one{left:-10px;bottom:34px}
  .hero-badge.two{right:-8px;top:30px}
  @media (max-width:640px){
    .hero-badge.one{left:8px;bottom:10px}
    .hero-badge.two{right:8px;top:10px}
  }

  /* ---------- 筛选胶囊 ---------- */
  .toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
  .toolbar-label{font-size:13px;color:var(--ink-3);margin-right:4px}
  .tag{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 18px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink-2);transition:all .2s}
  .tag:hover{border-color:var(--brand);color:var(--brand)}
  .tag.is-on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(255,92,57,.26)}

  /* ---------- 杂志网格 ---------- */
  .mag{display:grid;gap:22px}
  .lead-card{display:grid;grid-template-columns:1fr;background:#fff;border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
  @media (min-width:1024px){.lead-card{grid-template-columns:1.12fr 1fr}}
  .lead-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .lead-media{position:relative;overflow:hidden;background:var(--bg-2)}
  .lead-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s}
  @media (min-width:1024px){.lead-media img{aspect-ratio:auto;min-height:340px}}
  .lead-card:hover .lead-media img{transform:scale(1.03)}
  .lead-body{padding:26px;display:flex;flex-direction:column;gap:14px}
  @media (min-width:768px){.lead-body{padding:34px}}
  .lead-body h3{font-size:22px;line-height:1.35;font-weight:800;letter-spacing:-.01em}
  @media (min-width:768px){.lead-body h3{font-size:26px}}
  .lead-body p{font-size:15px;color:var(--ink-2)}
  .lead-card:hover .lead-body h3{color:var(--brand)}
  .lead-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--ink-3);margin-top:auto;padding-top:6px}

  .pill{display:inline-flex;align-items:center;height:25px;padding:0 12px;border-radius:999px;background:rgba(255,92,57,.10);color:var(--brand);font-size:12.5px;font-weight:700}
  .pill.cool{background:rgba(18,179,155,.13);color:#0E8F9E}
  .pill.warm{background:rgba(255,209,102,.30);color:#A2721A}

  .grid-mid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:640px){.grid-mid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.grid-mid{grid-template-columns:repeat(4,1fr)}}
  .card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(255,92,57,.28)}
  .card-media{overflow:hidden;background:var(--bg-2)}
  .card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s}
  .card:hover .card-media img{transform:scale(1.04)}
  .card-body{display:flex;flex-direction:column;gap:10px;padding:18px;flex:1}
  .card-body h3{font-size:16.5px;line-height:1.45;font-weight:700}
  .card:hover .card-body h3{color:var(--brand)}
  .card-body p{font-size:14px;color:var(--ink-2);line-height:1.7}
  .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;font-size:12.5px;color:var(--ink-3)}

  .grid-small{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.grid-small{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.grid-small{grid-template-columns:repeat(3,1fr)}}
  .mini{display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s}
  .mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(255,92,57,.35)}
  .mini-num{flex-shrink:0;width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:var(--bg-2);color:var(--brand);font-size:14px;font-weight:800}
  .mini h3{font-size:15px;font-weight:700;margin-bottom:6px}
  .mini:hover h3{color:var(--brand)}
  .mini p{font-size:13.5px;color:var(--ink-2);line-height:1.65}

  /* ---------- 深色流程 ---------- */
  .deep{position:relative;overflow:hidden;color:#fff;background-color:var(--deep);background-image:linear-gradient(180deg,rgba(26,20,28,.93),rgba(26,20,28,.97)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
  .deep::after{content:"";position:absolute;right:-140px;top:-140px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(255,92,57,.38),transparent 70%);pointer-events:none}
  .deep .section-title{color:#fff}
  .deep .section-sub{color:rgba(255,255,255,.72)}
  .steps{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:18px}
  @media (min-width:640px){.steps{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr)}}
  .step{padding:22px;border-radius:var(--r-m);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);transition:transform .25s,background .25s}
  .step:hover{transform:translateY(-4px);background:rgba(255,255,255,.10)}
  .step-no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;margin-bottom:14px;border-radius:11px;background:var(--grad);color:#fff;font-size:14px;font-weight:800}
  .step h3{font-size:16px;font-weight:700;margin-bottom:8px}
  .step p{font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.74)}
  .step-pills{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
  .step-pill{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.22);font-size:13.5px;color:rgba(255,255,255,.82);transition:all .2s}
  .step-pill:hover{border-color:rgba(255,255,255,.5);color:#fff}
  .step-pill.on{background:var(--grad);border-color:transparent;color:#fff;font-weight:600}

  /* ---------- 适用场景 ---------- */
  .scene-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
  .scene{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s}
  .scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
  .scene.wide{grid-column:span 1}
  @media (min-width:768px){
    .scene.wide{grid-column:span 2;flex-direction:row;align-items:stretch}
    .scene.wide .scene-media{flex:0 0 46%}
    .scene.wide .scene-body{flex:1}
  }
  .scene-media{overflow:hidden;background:var(--bg-2)}
  .scene-media img{width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s}
  .scene:hover .scene-media img{transform:scale(1.04)}
  .scene-body{display:flex;flex-direction:column;gap:12px;padding:24px}
  .scene-body h3{font-size:18px;font-weight:700;line-height:1.4}
  .scene:hover .scene-body h3{color:var(--brand)}
  .scene-body p{font-size:14.5px;color:var(--ink-2)}
  .dot-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
  .dot-list li{position:relative;padding-left:16px;font-size:13.5px;color:var(--ink-2);line-height:1.7}
  .dot-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--grad)}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px;max-width:860px;margin:0 auto}
  .faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:border-color .25s,box-shadow .25s}
  .faq-item:hover{border-color:rgba(255,92,57,.42)}
  .faq-item[open]{border-color:rgba(255,92,57,.5);box-shadow:var(--shadow-sm)}
  .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;font-size:15.5px;font-weight:700;cursor:pointer;list-style:none}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-icon{position:relative;flex-shrink:0;width:30px;height:30px;border-radius:999px;border:1px solid var(--line);color:var(--brand);transition:all .25s}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%)}
  .faq-icon::before{width:12px;height:2px}
  .faq-icon::after{width:2px;height:12px;transition:transform .25s}
  .faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
  .faq-body{margin:0 22px 22px;padding-top:16px;border-top:1px solid var(--line);font-size:14.5px;line-height:1.85;color:var(--ink-2)}

  /* ---------- CTA ---------- */
  .cta-band{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr;gap:24px;align-items:center;padding:38px 26px;border-radius:32px;background:var(--grad);color:#fff;box-shadow:0 24px 60px rgba(255,92,57,.28)}
  @media (min-width:768px){.cta-band{grid-template-columns:1fr auto;padding:48px 48px}}
  .cta-band::before,.cta-band::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.16);pointer-events:none}
  .cta-band::before{width:230px;height:230px;right:-70px;top:-100px}
  .cta-band::after{width:150px;height:150px;right:130px;bottom:-76px;background:rgba(255,255,255,.12)}
  .cta-band h2{position:relative;z-index:1;font-size:25px;font-weight:800;letter-spacing:-.02em;line-height:1.25}
  @media (min-width:768px){.cta-band h2{font-size:32px}}
  .cta-band p{position:relative;z-index:1;margin-top:12px;max-width:580px;font-size:15px;color:rgba(255,255,255,.92)}
  .cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 页脚 ---------- */
  .site-footer{position:relative;padding:56px 0 26px;background:var(--deep);color:rgba(255,255,255,.72)}
  .site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,92,57,.65),transparent)}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
  @media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:40px}}
  .footer-brand .logo-text{color:#fff}
  .footer-brand .logo-text em{color:rgba(255,255,255,.5)}
  .footer-desc{margin-top:16px;max-width:320px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62)}
  .footer-title{margin-bottom:14px;font-size:14px;font-weight:700;color:#fff}
  .footer-link{display:block;padding:6px 0;font-size:13.5px;color:rgba(255,255,255,.68)}
  .footer-link:hover{color:var(--brand)}
  .social-row{display:flex;gap:10px;margin-top:18px}
  .social-btn{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:rgba(255,255,255,.82);font-size:13px;transition:all .2s}
  .social-btn:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
  .newsletter{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .newsletter input{flex:1;min-width:0;height:48px;padding:0 16px;border-radius:14px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;font-size:14px;transition:all .2s}
  .newsletter input::placeholder{color:rgba(255,255,255,.45)}
  .newsletter input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);box-shadow:0 0 0 4px rgba(255,92,57,.18)}
  .newsletter .btn{height:48px;padding:0 20px}
  .footer-note{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.45)}
  .footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:12.5px;color:rgba(255,255,255,.5)}

  /* ---------- 浮动 CTA ---------- */
  .float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:54px;padding:0 22px;border-radius:999px;background:var(--grad);color:#fff;font-size:15px;font-weight:700;box-shadow:0 10px 30px rgba(255,92,57,.35);opacity:0;visibility:hidden;transform:translateY(14px);transition:all .3s}
  .float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
  .float-cta:hover{filter:brightness(1.05)}
  @media (max-width:767px){
    .float-cta{left:12px;right:12px;bottom:12px;height:62px;padding:0 18px 0 20px;border-radius:20px;justify-content:space-between;font-size:14.5px}
  }

/* roulang page: category4 */
:root {
    --brand: #FF5C39;
    --brand-2: #FF9F1C;
    --brand-3: #12B39B;
    --accent: #FFD166;
    --ink: #1B1720;
    --ink-2: #57505E;
    --ink-3: #8B8494;
    --line: #EDE6E0;
    --bg: #FFFBF7;
    --bg-2: #FDF3EC;
    --deep: #1A141C;
    --grad: linear-gradient(115deg, #FF5C39 0%, #FF9F1C 55%, #FFD166 100%);
    --grad-cool: linear-gradient(120deg, #12B39B 0%, #0E8F9E 100%);
    --shadow-card: 0 2px 8px rgba(27, 23, 32, .04), 0 12px 32px rgba(255, 92, 57, .08);
    --shadow-card-hover: 0 8px 20px rgba(27, 23, 32, .08), 0 20px 48px rgba(255, 92, 57, .14);
    --radius-lg: 24px;
    --radius-md: 18px;
  }

  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    font-feature-settings: "tnum" 1;
  }
  img { display: block; max-width: 100%; height: auto; }
  a { color: inherit; text-decoration: none; }
  button, input, select, textarea { font: inherit; color: inherit; }
  h1, h2, h3, h4 { margin: 0; line-height: 1.25; letter-spacing: -0.01em; }
  p { margin: 0; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
  :focus-visible { outline: 2px solid var(--brand-3); outline-offset: 2px; border-radius: 6px; }

  .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
  @media (min-width: 768px) { .container { padding: 0 32px; } }

  /* ============ 导航 ============ */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: rgba(255, 251, 247, .92);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--line);
  }
  .header-inner {
    position: relative;
    display: flex;
    align-items: center;
    gap: 18px;
    height: 72px;
  }
  .logo { display: inline-flex; align-items: center; gap: 10px; flex: none; }
  .logo-mark {
    width: 38px; height: 38px; border-radius: 13px;
    background: var(--grad);
    color: #fff; font-weight: 800; font-size: 18px;
    display: grid; place-items: center;
    box-shadow: 0 8px 20px rgba(255, 92, 57, .28);
  }
  .logo-text { font-weight: 800; font-size: 17px; letter-spacing: -0.02em; color: var(--ink); }
  .logo-text em { font-style: normal; color: var(--brand); }

  .nav-toggle-input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
  .nav-toggle {
    display: none;
    width: 44px; height: 44px; border-radius: 14px;
    border: 1px solid var(--line); background: #fff;
    place-items: center; gap: 4px; cursor: pointer;
    margin-left: auto;
  }
  .nav-toggle span { display: block; width: 18px; height: 2px; border-radius: 2px; background: var(--ink-2); }

  .main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
  .nav-item { position: relative; }
  .nav-link {
    display: block; position: relative;
    padding: 9px 15px; border-radius: 999px;
    font-size: 15px; font-weight: 500; color: var(--ink-2);
    transition: all .2s ease;
  }
  .nav-link:hover { color: var(--brand); background: var(--bg-2); }
  .nav-link.is-active { color: var(--brand); font-weight: 600; }
  .nav-link.is-active::after {
    content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px;
    height: 3px; border-radius: 999px; background: var(--grad);
  }

  .mega {
    position: absolute; top: calc(100% + 12px); left: 50%;
    width: 760px; padding: 24px; background: #fff;
    border: 1px solid var(--line); border-radius: var(--radius-lg);
    box-shadow: 0 24px 60px rgba(27, 23, 32, .14);
    opacity: 0; visibility: hidden; transform: translate(-50%, -6px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s;
    z-index: 90;
  }
  .nav-item:hover .mega,
  .nav-item:focus-within .mega { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
  .mega-grid { display: grid; grid-template-columns: 1.05fr 1.25fr 1fr; gap: 24px; }
  .mega-title { font-size: 12.5px; font-weight: 700; letter-spacing: .08em; color: var(--ink-3); margin-bottom: 10px; }
  .mega-link { display: block; padding: 9px 11px; border-radius: 12px; font-size: 14px; color: var(--ink-2); transition: all .18s; }
  .mega-link:hover { background: var(--bg-2); color: var(--brand); }
  .mega-post { display: block; padding: 10px 11px; border-radius: 14px; transition: background .18s; }
  .mega-post:hover { background: var(--bg-2); }
  .mega-post-title { display: block; font-size: 14px; font-weight: 600; color: var(--ink); line-height: 1.5; }
  .mega-post-time { display: block; font-size: 12px; color: var(--ink-3); margin-top: 3px; }
  .mega-card {
    height: 100%; padding: 18px; border-radius: 20px;
    background: linear-gradient(150deg, #FFF2EC 0%, #FFE8D8 100%);
    display: flex; flex-direction: column; justify-content: space-between; gap: 14px;
  }
  .mega-card h4 { font-size: 16px; font-weight: 700; }
  .mega-card p { font-size: 13.5px; color: var(--ink-2); line-height: 1.7; margin-top: 6px; }
  .mega-card-btn {
    display: inline-flex; align-items: center; justify-content: center;
    height: 38px; padding: 0 18px; border-radius: 999px;
    background: var(--grad); color: #fff; font-size: 13.5px; font-weight: 600;
    align-self: flex-start; transition: all .2s;
  }
  .mega-card-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 22px rgba(255, 92, 57, .3); }

  .header-actions { display: flex; align-items: center; gap: 10px; flex: none; }
  .icon-btn {
    width: 44px; height: 44px; border-radius: 999px;
    border: 1px solid var(--line); background: #fff; color: var(--ink-2);
    display: grid; place-items: center; cursor: pointer; transition: all .2s;
  }
  .icon-btn:hover { color: var(--brand); border-color: #FFC4B0; transform: translateY(-1px); }

  /* ============ 按钮 ============ */
  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 50px; padding: 0 26px; border-radius: 999px;
    font-size: 15px; font-weight: 600; white-space: nowrap;
    border: 1px solid transparent; cursor: pointer;
    transition: all .2s ease;
  }
  .btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(255, 92, 57, .28); }
  .btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255, 92, 57, .38); filter: brightness(1.04); }
  .btn-primary:active { transform: translateY(0) scale(.98); }
  .btn-ghost { background: #fff; border-color: var(--line); color: var(--brand); }
  .btn-ghost:hover { border-color: var(--brand); background: var(--bg-2); transform: translateY(-2px); }
  .btn-ghost:active { transform: translateY(0) scale(.98); }
  .btn-onGrad { background: #fff; color: var(--brand); box-shadow: 0 10px 26px rgba(26, 20, 28, .18); }
  .btn-onGrad:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(26, 20, 28, .26); }
  .btn-sm { height: 42px; padding: 0 20px; font-size: 14px; }
  .link-arrow {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--brand); font-weight: 600; font-size: 14.5px;
    position: relative; padding-bottom: 3px;
  }
  .link-arrow::after {
    content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
    background: var(--grad); border-radius: 2px; transition: width .25s ease;
  }
  .link-arrow:hover::after { width: 100%; }

  /* ============ 页面横幅 ============ */
  .page-hero {
    position: relative; overflow: hidden;
    padding: 56px 0 68px; color: #fff;
    background-image:
      linear-gradient(115deg, rgba(26, 20, 28, .78) 0%, rgba(255, 92, 57, .74) 52%, rgba(255, 159, 28, .70) 100%),
      url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
  }
  .page-hero::after {
    content: ""; position: absolute; right: -120px; top: -140px;
    width: 420px; height: 420px; border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 209, 102, .55) 0%, rgba(255, 209, 102, 0) 68%);
    pointer-events: none;
  }
  .crumb { font-size: 13.5px; color: rgba(255, 255, 255, .78); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
  .crumb a:hover { color: #fff; }
  .crumb .sep { opacity: .6; }
  .crumb .now { color: #fff; font-weight: 600; }
  .page-hero h1 {
    font-size: 34px; font-weight: 800; line-height: 1.2; letter-spacing: -0.02em;
    margin: 18px 0 14px; max-width: 20em;
  }
  .page-hero .lead { font-size: 16px; color: rgba(255, 255, 255, .92); max-width: 46em; line-height: 1.85; }
  @media (min-width: 768px) { .page-hero h1 { font-size: 44px; } .page-hero .lead { font-size: 17px; } }
  @media (min-width: 1024px) { .page-hero { padding: 72px 0 84px; } .page-hero h1 { font-size: 50px; } }

  .hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
  .hero-badge {
    display: inline-flex; align-items: baseline; gap: 8px;
    padding: 10px 18px; border-radius: 999px;
    background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .28);
    backdrop-filter: blur(6px);
    font-size: 13.5px; color: rgba(255, 255, 255, .92);
  }
  .hero-badge b { font-size: 20px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; }

  /* ============ 通用板块 ============ */
  .section { padding: 64px 0; }
  @media (min-width: 768px) { .section { padding: 88px 0; } }
  @media (min-width: 1024px) { .section { padding: 104px 0; } }
  .section-alt { background: var(--bg-2); }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    height: 32px; padding: 0 14px; border-radius: 999px;
    background: #FFF0EA; color: var(--brand);
    font-size: 13px; font-weight: 700; letter-spacing: .04em;
  }
  .h2 { font-size: 27px; font-weight: 700; letter-spacing: -0.02em; margin-top: 16px; }
  .h2-sub { margin-top: 12px; font-size: 15.5px; color: var(--ink-2); max-width: 46em; line-height: 1.85; }
  @media (min-width: 768px) { .h2 { font-size: 34px; } }
  @media (min-width: 1024px) { .h2 { font-size: 38px; } }

  /* ============ 筛选胶囊 ============ */
  .chip-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
  .chip {
    display: inline-flex; align-items: center; height: 40px; padding: 0 18px;
    border-radius: 999px; border: 1px solid var(--line); background: #fff;
    font-size: 14px; color: var(--ink-2); cursor: pointer;
    transition: all .2s ease;
  }
  .chip:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
  .chip.is-active {
    background: var(--grad); color: #fff; border-color: transparent;
    box-shadow: 0 8px 20px rgba(255, 92, 57, .26);
  }
  .chip .num { font-size: 12.5px; opacity: .75; margin-left: 6px; font-variant-numeric: tabular-nums; }
  .chip.is-active .num { opacity: .9; }

  /* ============ 瀑布问答卡 ============ */
  .qa-card {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
  }
  .qa-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); border-color: #FFD9CB; }
  .qa-media { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-2); }
  .qa-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
  .qa-card:hover .qa-media img { transform: scale(1.03); }
  .qa-body { padding: 22px 22px 24px; }
  .qa-tag {
    display: inline-flex; align-items: center; height: 26px; padding: 0 12px;
    border-radius: 999px; background: #FFF0EA; color: var(--brand);
    font-size: 12.5px; font-weight: 600; letter-spacing: .02em;
  }
  .qa-tag.cool { background: #E6F7F4; color: #0E8F9E; }
  .qa-tag.warm { background: #FFF6DE; color: #B4761B; }
  .qa-title { font-size: 19px; font-weight: 700; line-height: 1.5; margin: 12px 0 10px; transition: color .2s; }
  .qa-card:hover .qa-title { color: var(--brand); }
  .qa-text { font-size: 15px; color: var(--ink-2); line-height: 1.85; }
  .qa-list { margin-top: 14px; }
  .qa-list li {
    position: relative; padding-left: 18px;
    font-size: 14px; color: var(--ink-2); line-height: 1.75; margin-top: 9px;
  }
  .qa-list li::before {
    content: ""; position: absolute; left: 0; top: 9px;
    width: 7px; height: 7px; border-radius: 50%; background: var(--grad);
  }
  .qa-foot {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    margin-top: 18px; padding-top: 15px; border-top: 1px dashed var(--line);
    font-size: 13px; color: var(--ink-3);
  }
  .qa-foot .go { color: var(--brand); font-weight: 600; }

  /* ============ 分页 ============ */
  .pager { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin-top: 44px; }
  .page-btn {
    min-width: 44px; height: 44px; padding: 0 15px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 999px; border: 1px solid var(--line); background: #fff;
    font-size: 14px; color: var(--ink-2); transition: all .2s ease;
  }
  .page-btn:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-1px); }
  .page-btn.is-current { background: var(--grad); color: #fff; border-color: transparent; box-shadow: 0 8px 20px rgba(255, 92, 57, .24); }

  /* ============ 核对流程 ============ */
  .step-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius-md);
    padding: 24px; box-shadow: var(--shadow-card); height: 100%;
    transition: transform .25s ease, box-shadow .25s ease;
  }
  .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
  .step-num {
    width: 44px; height: 44px; border-radius: 14px;
    background: var(--grad); color: #fff; font-weight: 800; font-size: 18px;
    display: grid; place-items: center; box-shadow: 0 8px 18px rgba(255, 92, 57, .26);
  }
  .step-card h3 { font-size: 18px; font-weight: 700; margin: 16px 0 8px; }
  .step-card p { font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }

  /* ============ FAQ ============ */
  .faq-item {
    background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-md); overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item + .faq-item { margin-top: 14px; }
  .faq-item:hover { border-color: #FFC9B6; box-shadow: 0 10px 26px rgba(255, 92, 57, .08); }
  .faq-item summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; justify-content: space-between; gap: 18px;
    padding: 20px 22px; font-size: 16px; font-weight: 600;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary .mark {
    flex: none; width: 30px; height: 30px; border-radius: 999px;
    display: grid; place-items: center; font-size: 18px; font-weight: 700;
    background: var(--bg-2); color: var(--brand); transition: all .2s ease;
  }
  .faq-item[open] summary .mark { background: var(--grad); color: #fff; }
  .faq-item[open] summary { border-bottom: 1px solid var(--line); }
  .faq-item[open]::before { content: ""; display: block; height: 3px; background: var(--grad); }
  .faq-body { padding: 18px 22px 22px; font-size: 15px; color: var(--ink-2); line-height: 1.9; }

  /* ============ CTA 横条 ============ */
  .cta-band {
    position: relative; overflow: hidden;
    background: var(--grad); border-radius: 32px;
    padding: 38px 32px; color: #fff;
    display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 26px;
    box-shadow: 0 24px 56px rgba(255, 92, 57, .26);
  }
  .cta-band::before,
  .cta-band::after {
    content: ""; position: absolute; border-radius: 50%;
    background: rgba(255, 255, 255, .16); pointer-events: none;
  }
  .cta-band::before { width: 220px; height: 220px; right: -60px; top: -90px; }
  .cta-band::after { width: 140px; height: 140px; right: 130px; bottom: -80px; background: rgba(255, 255, 255, .12); }
  .cta-band h2 { font-size: 25px; font-weight: 800; letter-spacing: -0.02em; }
  .cta-band p { margin-top: 10px; font-size: 15px; color: rgba(255, 255, 255, .92); max-width: 40em; line-height: 1.85; }
  .cta-band .cta-actions { position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 12px; }
  @media (min-width: 768px) { .cta-band { padding: 48px 44px; } .cta-band h2 { font-size: 30px; } }

  /* ============ 页脚 ============ */
  .site-footer { background: var(--deep); color: #CFC7D2; padding-top: 64px; margin-top: 96px; }
  .footer-grid { display: grid; grid-template-columns: 1fr; gap: 34px; }
  @media (min-width: 640px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (min-width: 1024px) { .footer-grid { grid-template-columns: 1.5fr 1fr 1fr 1.4fr; gap: 40px; } }
  .site-footer .logo-text { color: #fff; }
  .site-footer .logo-text em { color: var(--brand-2); }
  .footer-desc { font-size: 14px; line-height: 1.85; color: #B4ACBA; margin: 16px 0 18px; }
  .social-row { display: flex; gap: 10px; }
  .social-btn {
    width: 40px; height: 40px; border-radius: 13px;
    background: rgba(255, 255, 255, .08); color: #fff;
    display: grid; place-items: center; font-size: 14px;
    transition: all .2s ease;
  }
  .social-btn:hover { background: var(--brand); transform: translateY(-2px); }
  .footer-title { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 14px; }
  .footer-link { display: block; font-size: 14px; color: #B4ACBA; padding: 6px 0; transition: color .2s ease, transform .2s ease; }
  .footer-link:hover { color: var(--brand-2); transform: translateX(3px); }
  .newsletter { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 4px; }
  .newsletter input {
    flex: 1 1 170px; min-width: 0; height: 48px; padding: 0 16px;
    border-radius: 14px; border: 1px solid rgba(255, 255, 255, .16);
    background: rgba(255, 255, 255, .06); color: #fff; font-size: 14px;
    transition: all .2s ease;
  }
  .newsletter input::placeholder { color: #8B8494; }
  .newsletter input:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px rgba(255, 92, 57, .22); }
  .footer-note { font-size: 12.5px; color: #8B8494; margin-top: 10px; }
  .footer-bottom {
    display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px;
    border-top: 1px solid rgba(255, 255, 255, .1);
    margin-top: 44px; padding: 22px 0 28px;
    font-size: 13px; color: #8B8494;
  }

  /* ============ 响应式导航 ============ */
  @media (max-width: 1023px) {
    .nav-toggle { display: grid; }
    .header-actions { display: none; }
    .main-nav {
      position: absolute; top: 76px; left: 0; right: 0;
      display: none; flex-direction: column; align-items: stretch;
      gap: 2px; padding: 14px; margin-left: 0;
      background: #fff; border: 1px solid var(--line);
      border-radius: 22px;
      box-shadow: 0 22px 50px rgba(27, 23, 32, .16);
    }
    .nav-toggle-input:checked ~ .main-nav { display: flex; }
    .nav-link { padding: 13px 16px; border-radius: 14px; font-size: 15.5px; }
    .nav-link.is-active::after { display: none; }
    .nav-link.is-active { background: #FFF0EA; }
    .mega { display: none; }
  }
  @media (max-width: 520px) {
    .logo-text { font-size: 15.5px; }
    .cta-band { padding: 30px 22px; border-radius: 26px; }
    .qa-body { padding: 18px 18px 20px; }
    .page-hero h1 { font-size: 29px; }
  }