/* roulang page: index */
:root{
  --brand:#4C2A9C;
  --brand-dark:#2A1650;
  --brand-deep:#1A1030;
  --brand-soft:#EFE9FB;
  --accent:#C9F25C;
  --accent-ink:#24340A;
  --warm:#FFB45C;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --ink:#1F1533;
  --muted:#6E6483;
  --line:#E8E1F2;
  --ok:#2F9E62;
  --warn:#E5A100;
  --err:#D9453F;
  --r-card:16px;
  --r-hero:20px;
  --r-btn:14px;
  --shadow-sm:0 2px 8px rgba(42,22,80,.06);
  --shadow-md:0 10px 26px rgba(42,22,80,.10);
  --shadow-lg:0 20px 48px rgba(42,22,80,.16);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Space Grotesk","Inter",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-tight{padding:64px 0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,243,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:22px;height:22px;border-radius:7px;background:var(--accent);
  display:grid;place-items:center;color:var(--brand-deep);flex-shrink:0;
}
.logo-text{display:flex;align-items:baseline;gap:6px;font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--ink)}
.logo-sub{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:0}
.logo-light .logo-text{color:#fff}
.logo-light .logo-sub{color:rgba(255,255,255,.55)}

.nav-links{display:flex;align-items:center;gap:4px;justify-content:center;flex:1}
.nav-links a{
  position:relative;padding:8px 14px;font-size:15px;font-weight:600;color:var(--ink);
  transition:color .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,
.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand)}

.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{
  width:208px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);padding:0 16px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease,width .22s ease;
}
.nav-search input::placeholder{color:#9C93AE}
.nav-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.14);outline:none}
.search-icon{position:absolute;left:13px;width:16px;height:16px;color:var(--muted);pointer-events:none}
.nav-login{font-size:15px;font-weight:600;color:var(--ink);padding:6px 4px;transition:color .22s ease}
.nav-login:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);align-items:center;justify-content:center;color:var(--ink);
  transition:border-color .22s ease,color .22s ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn svg{width:16px;height:16px;transition:transform .22s ease}
.btn-primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 6px 16px rgba(201,242,92,.28)}
.btn-primary:hover{transform:translateY(-1px);background:#D5F873;box-shadow:0 10px 22px rgba(201,242,92,.38)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(201,242,92,.24)}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-light-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:999px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand);
  transition:color .22s ease;
}
.btn-text svg{width:15px;height:15px;transition:transform .22s ease}
.btn-text:hover{color:var(--brand-dark)}
.btn-text:hover svg{transform:translateX(3px)}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:8px;font-size:13px;font-weight:600;padding:4px 10px;line-height:1.4;
}
.badge-warm{background:rgba(255,180,92,.18);color:#8A4A00}
.badge-light{background:rgba(201,242,92,.16);color:var(--accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,242,92,.16);color:var(--accent);
  border-radius:999px;font-size:13px;font-weight:600;padding:6px 14px;letter-spacing:.4px;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--brand-deep);
  padding:76px 0 92px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.26;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 18% 22%,rgba(76,42,156,.62),transparent 62%),
             linear-gradient(180deg,rgba(26,16,48,.30),rgba(26,16,48,.86));
}
.hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:56px;align-items:center;
}
.hero h1{
  margin:20px 0 0;
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.22;font-weight:700;letter-spacing:.3px;
  color:#fff;
}
.hero-sub{
  margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats .stat-num{
  font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--accent);line-height:1.2;
}
.hero-stats .stat-label{font-size:13px;color:rgba(255,255,255,.58);margin-top:2px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-hero);
  box-shadow:0 18px 40px rgba(10,4,26,.5);
  transition:transform .22s ease;
}
.hero-visual:hover img{transform:scale(1.02)}
.hero-float{
  position:absolute;left:-18px;bottom:22px;
  display:flex;align-items:center;gap:10px;
  background:#fff;color:var(--ink);border-radius:14px;
  padding:12px 18px;font-size:13px;font-weight:600;
  box-shadow:var(--shadow-md);
}
.hero-float .dot{
  width:9px;height:9px;border-radius:50%;background:var(--ok);flex-shrink:0;
  box-shadow:0 0 0 4px rgba(47,158,98,.14);
}

/* ---------- Section heading ---------- */
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--ink);
}
.section-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px}
.section-head .head-action{flex-shrink:0}

/* ---------- Story ---------- */
.story-grid{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;align-items:center}
.story-visual{position:relative}
.story-visual::before{
  content:"";position:absolute;left:-24px;top:-24px;width:180px;height:180px;
  background:var(--brand-soft);border-radius:24px;transform:rotate(-6deg);z-index:0;
}
.story-visual img{
  position:relative;z-index:1;width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--r-hero);box-shadow:var(--shadow-md);
}
.story-copy h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700}
.story-copy p{margin-top:18px;font-size:16px;line-height:1.85;color:#3B2F52}
.story-points{margin-top:26px;display:grid;gap:12px}
.story-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--ink)}
.story-points li::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);
  margin-top:9px;flex-shrink:0;box-shadow:0 0 0 4px rgba(201,242,92,.24);
}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD2F0}
.card-media{position:relative;overflow:hidden}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--ink)}
.card-body p{font-size:14px;line-height:1.75;color:var(--muted)}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);font-family:var(--font-num);
}
.card-meta .cat{font-family:var(--font-cn);font-weight:600;color:var(--brand)}
.card-feature{
  grid-column:span 2;flex-direction:row;
}
.card-feature .card-media{flex:0 0 46%;max-width:46%}
.card-feature .card-media img{height:100%;aspect-ratio:auto;min-height:260px}
.card-feature .card-body{padding:28px}
.card-feature .card-body h3{font-size:22px}

/* ---------- Dark trust block ---------- */
.trust{
  position:relative;overflow:hidden;
  background:var(--brand-dark);color:#fff;border-radius:24px;
  padding:56px 40px;
}
.trust::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;opacity:.10;
}
.trust-inner{position:relative;z-index:2}
.trust h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;max-width:640px}
.trust p.lead{margin-top:12px;color:rgba(255,255,255,.64);font-size:15px;max-width:660px}
.trust-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  margin-top:40px;padding-top:34px;border-top:1px solid rgba(255,255,255,.14);
}
.trust-stat .num{
  font-family:var(--font-num);font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--accent);line-height:1.1;
}
.trust-stat .label{margin-top:8px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.6}
.trust-partners{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;opacity:.6;
}
.trust-partners span{
  height:36px;min-width:112px;border-radius:10px;background:rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:rgba(255,255,255,.8);
}

/* ---------- Filter pills ---------- */
.pill-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--muted);
  font-size:14px;font-weight:600;transition:.22s ease;white-space:nowrap;
}
.pill:hover{border-color:var(--brand);color:var(--brand)}
.pill.is-active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}

/* ---------- Post list (CMS) ---------- */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.post-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD2F0}
.post-thumb{
  flex:0 0 148px;max-width:148px;border-radius:12px;overflow:hidden;background:var(--brand-soft);
}
.post-thumb img{width:100%;height:100%;min-height:104px;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.post-body h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--ink)}
.post-body h3 a{transition:color .22s ease}
.post-body h3 a:hover{color:var(--brand)}
.post-body p{font-size:13px;line-height:1.7;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--muted);font-family:var(--font-num);
}
.post-foot .more{font-family:var(--font-cn);font-weight:700;color:var(--brand);font-size:13px}
.empty-state{
  min-height:220px;border:1px dashed var(--line);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:var(--surface);text-align:center;padding:36px 20px;
}
.empty-state .empty-ico{
  width:52px;height:52px;border-radius:16px;background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);
}
.empty-state p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);transition:border-color .22s ease,box-shadow .22s ease;
  overflow:hidden;
}
.faq-item:hover{border-color:#DCD2F0}
.faq-item.is-open{border-color:#DCD2F0;box-shadow:var(--shadow-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
}
.faq-q:hover{color:var(--brand)}
.faq-ico{
  position:relative;width:22px;height:22px;flex-shrink:0;border-radius:50%;
  background:var(--brand-soft);transition:transform .28s ease,background .22s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:10px;height:2px}
.faq-ico::after{width:2px;height:10px;transition:opacity .22s ease}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:var(--accent)}
.faq-item.is-open .faq-ico::before,.faq-item.is-open .faq-ico::after{background:var(--accent-ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-block{
  background:var(--brand-soft);border-radius:var(--r-hero);
  padding:56px 40px;text-align:center;
}
.cta-block h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--ink)}
.cta-block p{margin-top:12px;font-size:15px;color:var(--muted)}
.sub-form{
  display:flex;gap:12px;justify-content:center;margin-top:28px;flex-wrap:wrap;
}
.sub-form input{
  width:320px;max-width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);padding:0 16px;font-size:15px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.sub-form input::placeholder{color:#9C93AE}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.14);outline:none}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:64px 0 0;margin-top:80px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;width:120px;height:2px;background:var(--accent);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col a{
  display:block;font-size:14px;color:rgba(255,255,255,.62);padding:6px 0;
  transition:color .22s ease,transform .22s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-sub p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.58);margin-bottom:16px}
.footer-sub .sub-form{justify-content:flex-start;margin-top:0;flex-wrap:nowrap}
.footer-sub .sub-form input{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff;width:100%;min-width:0;
}
.footer-sub .sub-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-sub .sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,92,.16)}
.footer-sub .sub-form .btn{padding:0 20px;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:rgba(26,16,48,.42);
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.mobile-drawer.is-open{display:block}
.drawer-panel{
  position:absolute;right:16px;top:16px;left:16px;
  background:var(--surface);border-radius:20px;padding:20px;
  box-shadow:var(--shadow-lg);
  animation:drawerIn .24s ease;
}
@keyframes drawerIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-close{
  width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:20px;line-height:1;
  transition:background .22s ease,color .22s ease;
}
.drawer-close:hover{background:var(--accent);color:var(--accent-ink)}
.drawer-search{position:relative;display:flex;align-items:center;margin-bottom:12px}
.drawer-search input{
  width:100%;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);padding:0 16px 0 38px;font-size:14px;color:var(--ink);
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.14);outline:none}
.drawer-links{display:grid;margin:8px 0 16px}
.drawer-links a{
  display:flex;align-items:center;height:44px;font-size:16px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);transition:color .22s ease;
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand)}
.drawer-panel .btn{width:100%}
body.drawer-open{overflow:hidden}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .nav-search input{width:168px}
  .hero-grid{gap:40px}
  .story-grid{gap:40px}
}
@media (max-width:991px){
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .nav-links,.nav-search,.nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:520px}
  .hero-float{left:0}
  .story-grid{grid-template-columns:1fr;gap:32px}
  .story-visual::before{width:140px;height:140px;left:-14px;top:-14px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-feature{grid-column:span 2;flex-direction:column}
  .card-feature .card-media{flex:none;max-width:100%}
  .card-feature .card-media img{min-height:0;aspect-ratio:16/9}
  .trust{padding:40px 28px}
  .trust-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
  .post-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:span 2}
  .footer-sub{grid-column:span 2}
  .site-footer{margin-top:56px}
}
@media (max-width:767px){
  .hero-stats{gap:28px}
  .hero-stats .stat-num{font-size:22px}
  .card-grid{grid-template-columns:1fr}
  .card-feature{grid-column:span 1}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px}
  .cta-block{padding:40px 22px}
  .sub-form{flex-direction:column;align-items:stretch}
  .sub-form input{width:100%}
  .sub-form .btn{width:100%}
  .footer-sub .sub-form{flex-direction:column}
  .faq-q{font-size:16px;padding:18px}
  .faq-a-inner{padding:0 18px 18px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .section{padding:40px 0}
  .logo-text{font-size:16px}
  .logo-sub{display:none}
  .hero{padding:44px 0 52px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{gap:22px}
  .post-card{flex-direction:column}
  .post-thumb{flex:none;max-width:100%}
  .post-thumb img{min-height:0;aspect-ratio:16/9}
  .trust{padding:32px 20px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand,.footer-sub{grid-column:span 1}
  .footer-bottom{font-size:12px}
}

/* roulang page: article */
:root{
  --brand:#4C2A9C;
  --brand-dark:#2A1650;
  --brand-deep:#1A1030;
  --brand-soft:#EFE9FB;
  --accent:#C9F25C;
  --accent-ink:#24340A;
  --warm:#FFB45C;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --ink:#1F1533;
  --muted:#6E6483;
  --line:#E8E1F2;
  --ok:#2F9E62;
  --warn:#E5A100;
  --err:#D9453F;
  --shadow-sm:0 2px 8px rgba(42,22,80,.06);
  --shadow-md:0 10px 26px rgba(42,22,80,.10);
  --shadow-lg:0 20px 48px rgba(42,22,80,.16);
  --radius:16px;
  --radius-lg:20px;
  --radius-btn:14px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:17px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:22px;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-dark);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
input,button,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,248,243,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:20px;height:20px;border-radius:6px;background:var(--accent);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.2px;display:inline-flex;align-items:baseline;gap:6px;white-space:nowrap;}
.logo-sub{font-size:11px;font-weight:600;letter-spacing:.6px;color:var(--muted);}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;display:inline-block;padding:9px 12px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:3px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.12);}
.nav-search svg{color:var(--muted);flex:0 0 auto;}
.nav-search input{
  width:168px;border:0;outline:0;background:transparent;color:var(--ink);font-size:14px;line-height:1.4;
}
.nav-search input::placeholder{color:#a89dc2;}
.nav-plain{font-size:15px;font-weight:600;color:var(--ink);padding:8px 4px;}
.nav-plain:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease,filter .22s ease;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);}
.btn-primary:hover{color:var(--accent-ink);filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-primary:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;width:min(340px,86vw);height:100%;z-index:120;
  background:var(--surface);border-radius:20px 0 0 20px;padding:20px;
  transform:translateX(105%);transition:transform .3s ease;
  box-shadow:var(--shadow-lg);overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,16,48,.42);z-index:110;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  color:var(--ink);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand);}
.drawer-search{display:flex;margin-bottom:16px;}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg);color:var(--ink);outline:0;
}
.drawer-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.12);}
.drawer-nav{display:grid;gap:2px;margin-bottom:18px;}
.drawer-nav a{
  display:block;padding:0 12px;line-height:44px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);}
.drawer-btn{width:100%;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#c4b8dd;}
.breadcrumb .current{
  color:var(--ink);font-weight:600;max-width:min(420px,62vw);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.article-hero{padding:22px 0 10px;}
.article-hero .hero-inner{max-width:820px;}
.tag{
  display:inline-block;padding:4px 10px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;line-height:1.4;
}
.article-hero h1{
  margin:16px 0 18px;font-size:clamp(28px,4vw,40px);line-height:1.26;font-weight:700;
  letter-spacing:.2px;color:var(--brand-deep);
}
.post-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--muted);}
.post-meta .dot{width:1px;height:14px;background:var(--line);}
.post-meta .meta-num{font-family:var(--font-num);letter-spacing:.4px;}
.meta-share{display:inline-flex;align-items:center;gap:6px;color:var(--muted);}
.meta-share:hover{color:var(--brand);}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;
  padding:34px 0 72px;
}
.article-main{min-width:0;max-width:760px;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink);}
.article-body > * + *{margin-top:1.1em;}
.article-body h2{
  position:relative;margin-top:2.1em;padding-left:14px;
  font-size:24px;line-height:1.42;font-weight:700;color:var(--brand-deep);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;background:var(--accent);
}
.article-body h3{margin-top:1.7em;font-size:19px;line-height:1.5;font-weight:600;color:var(--brand-deep);}
.article-body p{margin:1.1em 0 0;}
.article-body ul,.article-body ol{margin:1em 0 0;padding-left:22px;}
.article-body li{margin:.45em 0;line-height:1.8;}
.article-body li::marker{color:var(--brand);}
.article-body strong{font-weight:700;color:var(--brand-deep);}
.article-body a{
  color:var(--brand);text-decoration:underline;text-underline-offset:3px;
  transition:background .22s ease,color .22s ease;
}
.article-body a:hover{background:var(--accent);color:var(--accent-ink);text-decoration:none;border-radius:4px;}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;border-left:3px solid var(--brand);border-radius:8px;
  background:var(--brand-soft);color:#3d2f60;font-size:16px;line-height:1.85;
}
.article-body blockquote p{margin:0;}
.article-body blockquote p + p{margin-top:.7em;}
.article-body img{border-radius:12px;margin:1.6em auto;max-width:100%;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;line-height:1.7;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;}
.article-body tr:nth-child(even) td{background:#FCFAFF;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{
  font-family:var(--font-num);background:var(--brand-soft);color:var(--brand-dark);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}

/* ---------- 正文空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:44px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--radius);background:var(--surface);
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--brand-deep);}
.empty-state p{font-size:15px;color:var(--muted);max-width:420px;}
.empty-state .btn{margin-top:4px;}

/* ---------- 文末操作条 ---------- */
.article-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:26px;border-top:1px solid var(--line);
}
.article-foot .foot-note{font-size:14px;color:var(--muted);}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:88px;display:grid;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);padding:20px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--brand-deep);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--accent);}
.toc{list-style:none;padding:0;margin:0;display:grid;gap:4px;}
.toc li{position:relative;padding:7px 0 7px 14px;font-size:14px;line-height:1.6;color:var(--muted);}
.toc li::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--line);
}
.toc li.current{color:var(--brand-deep);font-weight:600;}
.toc li.current::before{background:var(--accent);}
.mini-list{display:grid;gap:14px;}
.mini-item{display:flex;gap:12px;align-items:flex-start;}
.mini-item img{width:60px;height:60px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:var(--brand-soft);}
.mini-item .mini-title{
  font-size:14px;line-height:1.55;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-item:hover .mini-title{color:var(--brand);}
.mini-item .mini-tag{display:block;font-size:12px;color:var(--muted);margin-top:4px;}

/* ---------- 相关推荐 ---------- */
.section{padding:0 0 72px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:var(--brand-deep);}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;}
.section-head .more{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{gap:10px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);color:inherit;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD3F0;color:inherit;}
.card-thumb{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-size:20px;line-height:1.45;font-weight:600;color:var(--brand-deep);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body .card-desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:6px;font-size:13px;color:var(--muted);
}
.card-meta .arrow{color:var(--brand);font-weight:700;transition:transform .22s ease;}
.card:hover .card-meta .arrow{transform:translateX(3px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:44px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.4;font-weight:700;color:var(--brand-deep);}
.cta-band p{font-size:15px;color:#5a4b7d;margin-top:8px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:20px;
}
.site-footer::before{
  content:"";display:block;width:120px;height:2px;background:var(--accent);
  margin:-64px 0 52px 24px;max-width:1200px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;
}
.logo-light{color:#fff;}
.logo-light:hover{color:#fff;}
.logo-light .logo-sub{color:rgba(255,255,255,.55);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{
  display:block;font-size:14px;line-height:2.1;color:rgba(255,255,255,.68);
  transition:color .22s ease,transform .22s ease;
}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-sub p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.6);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 150px;min-width:0;height:44px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;outline:0;font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45);}
.sub-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,242,92,.18);}
.sub-form .btn{height:44px;padding:0 18px;border-radius:12px;font-size:14px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .nav-search input{width:132px;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px;padding:30px 0 60px;}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .nav-links,.nav-search,.nav-plain{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:60px;gap:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{padding:52px 0 24px;}
  .site-footer::before{margin:-52px 0 42px 24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .breadcrumb{padding-top:18px;}
  .article-hero{padding:16px 0 6px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .article-side{grid-template-columns:minmax(0,1fr);}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .section{padding-bottom:56px;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .header-actions .btn-sm{padding:0 14px;font-size:13px;}
  .article-hero h1{font-size:26px;}
  .post-meta{font-size:13px;gap:10px;}
  .card-body{padding:16px;}
  .card-body h3{font-size:18px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand:#4C2A9C;
  --brand-dark:#2A1650;
  --brand-deep:#1A1030;
  --brand-soft:#EFE9FB;
  --accent:#C9F25C;
  --accent-ink:#24340A;
  --warm:#FFB45C;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --ink:#1F1533;
  --muted:#6E6483;
  --line:#E8E1F2;
  --ok:#2F9E62;
  --warn:#E5A100;
  --err:#D9453F;
  --shadow-sm:0 2px 8px rgba(42,22,80,.06);
  --shadow-md:0 10px 26px rgba(42,22,80,.10);
  --shadow-lg:0 20px 48px rgba(42,22,80,.16);
  --r-card:16px;
  --r-big:20px;
  --r-btn:14px;
  --r-input:12px;
  --r-tag:8px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Space Grotesk","Inter",var(--font-cn);
  --ease:.22s ease;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease);}
img{max-width:100%;display:block;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:.2px;
}
.section-head p{
  color:var(--muted);
  font-size:15px;
  max-width:560px;
  margin-top:8px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  letter-spacing:.3px;
  padding:5px 12px;
  border-radius:var(--r-tag);
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(201,242,92,.35);
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(251,248,243,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-bar{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:700;
  font-size:17px;
  letter-spacing:.2px;
  flex:none;
}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:20px;height:20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--accent);
  color:var(--brand-deep);
  border-radius:6px;
  flex:none;
}
.logo-text{display:inline-flex;align-items:baseline;gap:6px;}
.logo-sub{
  font-size:12px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.5px;
}
.logo-light{color:#fff;}
.logo-light:hover{color:var(--accent);}
.logo-light .logo-sub{color:rgba(255,255,255,.55);}

.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:6px 0;
  line-height:1.4;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  height:3px;
  width:0;
  border-radius:3px;
  background:var(--accent);
  transition:width var(--ease);
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after,
.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--brand);}

.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search svg{
  position:absolute;
  left:14px;
  color:var(--muted);
  pointer-events:none;
}
.nav-search input{
  width:212px;
  height:40px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--surface);
  padding:0 16px 0 38px;
  font-size:14px;
  color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(76,42,156,.14);
}
.nav-login{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:6px 2px;
}
.nav-login:hover{color:var(--brand);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.2px;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-primary{
  background:var(--accent);
  color:var(--accent-ink);
  box-shadow:0 1px 0 rgba(36,52,10,.06);
}
.btn-primary:hover{
  background:#d5f774;
  transform:translateY(-1px);
  box-shadow:var(--shadow-sm);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--surface);
  color:var(--ink);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-dark-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.32);
}
.btn-dark-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.btn-text svg{transition:transform var(--ease);}
.btn-text:hover svg{transform:translateX(3px);}

/* 移动端抽屉 */
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  align-items:center;
  justify-content:center;
  color:var(--ink);
}
.drawer{
  display:none;
  position:fixed;
  inset:0;
  z-index:80;
}
.drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;
  inset:0;
  background:rgba(26,16,48,.42);
}
.drawer-panel{
  position:absolute;
  top:14px;right:14px;left:14px;
  background:var(--surface);
  border-radius:var(--r-big);
  padding:22px;
  box-shadow:var(--shadow-lg);
}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:12px;
}
.drawer-close{
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:40px;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-search{margin-top:16px;}
.drawer-search input{
  width:100%;
  height:46px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:0 16px;
  font-size:15px;
  background:var(--bg);
}
.drawer-actions{margin-top:16px;display:flex;gap:12px;}
.drawer-actions .btn{flex:1;}

/* ============ 页头 ============ */
.page-hero{
  background:linear-gradient(180deg,var(--brand-soft) 0%,#F7F2FD 60%,var(--bg) 100%);
  padding:34px 0 44px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  border:1px solid rgba(76,42,156,.12);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9BFDD;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-hero-grid{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:.2px;
  max-width:760px;
}
.page-hero .lead{
  margin-top:16px;
  font-size:16px;
  color:var(--muted);
  max-width:660px;
}
.hero-badges{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:22px;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink);
  font-size:13px;
  font-weight:600;
  padding:6px 12px;
  border-radius:999px;
  box-shadow:var(--shadow-sm);
}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.stat-chip{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 24px;
  box-shadow:var(--shadow-sm);
  text-align:center;
  min-width:168px;
}
.stat-chip .num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
}
.stat-chip .label{
  font-size:13px;
  color:var(--muted);
  margin-top:6px;
}

/* 锚点胶囊条 */
.pill-bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:6px 0 0;
  overflow-x:auto;
  scrollbar-width:none;
}
.pill-bar::-webkit-scrollbar{display:none;}
.pill{
  flex:none;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:all var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);}
.pill.is-active{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--accent-ink);
}

/* ============ 通用卡片 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  overflow:hidden;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#DCD2F0;
}
.card-body{padding:22px;}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  padding:4px 10px;
  border-radius:var(--r-tag);
  line-height:1.2;
}
.tag-warm{background:rgba(255,180,92,.18);color:#9A5B10;}
.card h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  margin-bottom:10px;
}
.card p{
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
}
.card-meta{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--muted);
  font-family:var(--font-num);
}
.card-meta .sep{width:1px;height:12px;background:var(--line);}

/* 卖点三栏 */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feature{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.feature .icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.feature h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.feature p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ 准备清单：左图右文横向卡 + 序号 ============ */
.prep-list{display:flex;flex-direction:column;gap:20px;}
.prep-item{
  display:grid;
  grid-template-columns:220px 1fr auto;
  gap:24px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.prep-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#DCD2F0;
}
.prep-media{
  border-radius:12px;
  overflow:hidden;
  aspect-ratio:16/10;
  background:var(--brand-soft);
}
.prep-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.prep-item:hover .prep-media img{transform:scale(1.04);}
.prep-content h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.prep-content p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:620px;}
.prep-num{
  font-family:var(--font-num);
  font-size:44px;
  font-weight:700;
  color:#E6DCF8;
  line-height:1;
  letter-spacing:-1px;
  padding-right:8px;
}

/* ============ 步骤流程（时间线） ============ */
.steps{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:0;
  padding-left:34px;
}
.steps::before{
  content:"";
  position:absolute;
  left:11px;
  top:10px;
  bottom:10px;
  width:2px;
  background:linear-gradient(180deg,var(--accent),rgba(76,42,156,.16));
  border-radius:2px;
}
.step{
  position:relative;
  padding:0 0 34px 0;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:-34px;
  top:6px;
  width:24px;height:24px;
  border-radius:50%;
  background:var(--surface);
  border:2px solid var(--accent);
  box-shadow:0 0 0 4px rgba(201,242,92,.22);
}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.step p{font-size:15px;color:var(--muted);line-height:1.8;max-width:700px;}
.step .hint{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-tag);
  padding:4px 10px;
  font-weight:600;
}
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:start;
}
.split-media{
  border-radius:var(--r-big);
  overflow:hidden;
  background:var(--brand-soft);
  box-shadow:var(--shadow-md);
  aspect-ratio:4/3;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.split-media:hover img{transform:scale(1.04);}

/* ============ 深色区块 ============ */
.dark-block{
  background:var(--brand-dark);
  border-radius:24px;
  padding:56px 48px;
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 18px 40px rgba(10,4,26,.5);
}
.dark-block::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-110px;
  width:300px;height:300px;
  border-radius:50%;
  border:1px solid rgba(201,242,92,.16);
}
.dark-block h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  color:#fff;
  max-width:640px;
}
.dark-block .sub{
  color:rgba(255,255,255,.66);
  font-size:15px;
  margin-top:12px;
  max-width:620px;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:40px;
  position:relative;
  z-index:1;
}
.metric .num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  color:var(--accent);
  line-height:1.1;
}
.metric .label{
  font-size:13.5px;
  color:rgba(255,255,255,.72);
  margin-top:8px;
  line-height:1.6;
}
.dark-tags{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:34px;
  position:relative;
  z-index:1;
}
.dark-tags span{
  background:rgba(201,242,92,.16);
  color:var(--accent);
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:var(--r-tag);
}

/* ============ 场景卡 ============ */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.scene-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),box-shadow var(--ease);
  display:flex;
  flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.scene-card .media{aspect-ratio:16/9;background:var(--brand-soft);overflow:hidden;}
.scene-card .media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.scene-card:hover .media img{transform:scale(1.04);}
.scene-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.scene-card h3{font-size:19px;font-weight:600;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.scene-card .link{margin-top:auto;padding-top:8px;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);
  transition:border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.faq-item[open]{
  border-color:#D9CCF3;
  box-shadow:var(--shadow-md);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-family:var(--font-num);
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  transition:transform var(--ease);
  flex:none;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .answer{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:790px;
}

/* ============ CTA ============ */
.cta-box{
  background:var(--brand-soft);
  border-radius:var(--r-big);
  padding:48px 40px;
  text-align:center;
}
.cta-box h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.35;
}
.cta-box p{
  color:var(--muted);
  font-size:15px;
  margin-top:12px;
  max-width:560px;
  margin-left:auto;
  margin-right:auto;
}
.cta-form{
  margin-top:26px;
  display:flex;
  gap:12px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-form input{
  width:320px;
  max-width:100%;
  height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:var(--surface);
  padding:0 16px;
  font-size:15px;
  color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(76,42,156,.14);
}
.cta-note{
  margin-top:14px;
  font-size:13px;
  color:var(--muted);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  margin-top:80px;
  padding:64px 0 0;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:24px;
  width:120px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.66);
  line-height:2;
  transition:color var(--ease);
}
.footer-col a:hover{color:var(--accent);}
.footer-sub p{
  font-size:13.5px;
  color:rgba(255,255,255,.6);
  margin-bottom:14px;
  line-height:1.75;
}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1;
  min-width:150px;
  height:44px;
  border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 14px;
  font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.4);}
.sub-form input:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(201,242,92,.16);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-search input{width:170px;}
  .feature-grid,.scene-grid{gap:20px;}
}

@media (max-width:991px){
  .section{padding:56px 0;}
  .nav-links{gap:18px;}
  .nav-search{display:none;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .dark-block{padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .prep-item{grid-template-columns:180px 1fr auto;gap:18px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:44px 0;}
  .nav-bar{height:60px;gap:12px;}
  .nav-links,.nav-login{display:none;}
  .nav-toggle{display:flex;}
  .nav-right .btn-sm{height:38px;padding:0 16px;font-size:13.5px;}
  .page-hero{padding:24px 0 34px;}
  .page-hero-grid{gap:24px;}
  .stat-chip{min-width:0;flex:1;padding:14px 18px;}
  .feature-grid,.scene-grid{grid-template-columns:1fr;}
  .prep-item{
    grid-template-columns:1fr;
    gap:14px;
    padding:16px;
  }
  .prep-media{aspect-ratio:16/9;}
  .prep-num{font-size:34px;padding-right:0;order:-1;}
  .metric-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .dark-block{padding:32px 22px;border-radius:20px;}
  .cta-box{padding:34px 22px;}
  .cta-form{flex-direction:column;}
  .cta-form input,.cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head{margin-bottom:26px;}
  .steps{padding-left:28px;}
  .step::before{left:-28px;width:20px;height:20px;}
  .steps::before{left:9px;}
}

@media (max-width:479px){
  .hero-badges{gap:8px;}
  .badge{font-size:12px;padding:5px 10px;}
  .page-hero h1{font-size:27px;}
  .pill{height:34px;padding:0 14px;font-size:13px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-item .answer{padding:0 18px 18px;}
  .metric-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
  --brand:#4C2A9C;
  --brand-dark:#2A1650;
  --brand-deep:#1A1030;
  --brand-soft:#EFE9FB;
  --accent:#C9F25C;
  --accent-ink:#24340A;
  --warm:#FFB45C;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --ink:#1F1533;
  --muted:#6E6483;
  --line:#E8E1F2;
  --ok:#2F9E62;
  --warn:#E5A100;
  --err:#D9453F;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:14px;
  --shadow-sm:0 2px 8px rgba(42,22,80,.06);
  --shadow-md:0 10px 26px rgba(42,22,80,.10);
  --shadow-lg:0 20px 48px rgba(42,22,80,.16);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Space Grotesk","Inter",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:22px;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,button,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,248,243,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.header-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:20px;height:20px;border-radius:6px;
  background:var(--accent);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--ink);display:inline-flex;align-items:baseline;gap:6px;}
.logo-sub{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.4px;}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;transition:color .22s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:3px;width:0;
  background:var(--accent);border-radius:2px;transition:width .22s ease;
}
.nav-links a:hover{color:var(--brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{width:100%;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:12px;color:var(--muted);pointer-events:none;}
.nav-search input{
  width:190px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);padding:0 14px 0 36px;font-size:14px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search input::placeholder{color:var(--muted);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.14);
}
.link-login{font-size:14px;font-weight:600;color:var(--ink);transition:color .22s ease;}
.link-login:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border:0;border-radius:var(--radius-btn);cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  text-align:center;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);height:48px;padding:0 26px;font-size:15px;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-sm);background:#d3f874;}
.btn-primary:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-second{
  background:var(--surface);color:var(--ink);border:1px solid var(--line);
  height:48px;padding:0 24px;font-size:15px;
}
.btn-second:hover{border-color:var(--brand);color:var(--brand);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--surface);padding:16px 24px 24px;}
.site-header.drawer-open .mobile-drawer{display:block;}
.mobile-drawer a{
  display:block;padding:10px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink);
}
.mobile-drawer a.active{background:var(--brand-soft);color:var(--brand);}
.mobile-drawer .drawer-search{margin:12px 0;display:flex;gap:8px;}
.mobile-drawer .drawer-search input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--line);padding:0 14px;background:var(--bg);
}
.mobile-drawer .btn{width:100%;margin-top:4px;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-soft);
  border-bottom:1px solid var(--line);
  padding:32px 0 44px;
}
.page-hero::before{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  background-image:radial-gradient(rgba(76,42,156,.16) 1.6px,transparent 1.6px);
  background-size:18px 18px;border-radius:50%;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#b9afd0;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.page-hero-inner{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.tag{
  display:inline-block;background:rgba(201,242,92,.55);color:var(--accent-ink);
  font-size:13px;font-weight:700;padding:4px 10px;border-radius:8px;letter-spacing:.3px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,44px);line-height:1.22;font-weight:700;letter-spacing:0;
  margin:14px 0 12px;max-width:760px;
}
.page-hero p{font-size:16px;color:var(--muted);max-width:640px;line-height:1.8;}
.hero-badge{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px 24px;text-align:center;box-shadow:var(--shadow-sm);min-width:150px;
}
.hero-badge strong{display:block;font-family:var(--font-num);font-size:30px;line-height:1.1;color:var(--brand);font-weight:700;}
.hero-badge span{font-size:13px;color:var(--muted);}

/* ---------- filter ---------- */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin:44px 0 30px;flex-wrap:wrap;
}
.pills{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.pills::-webkit-scrollbar{display:none;}
.pill{
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;cursor:pointer;
  transition:color .22s ease,border-color .22s ease,background-color .22s ease;
}
.pill:hover{color:var(--brand);border-color:var(--brand-soft);}
.pill.active{background:var(--accent);color:var(--accent-ink);border-color:var(--accent);}
.sort-note{font-size:14px;color:var(--muted);}
.sort-note strong{color:var(--ink);font-weight:600;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand-soft),rgba(201,242,92,.65),var(--brand-soft));
  border-radius:2px;
}
.tl-item{display:grid;grid-template-columns:40px 1fr;gap:18px;margin-bottom:28px;}
.tl-marker{position:relative;display:flex;justify-content:center;padding-top:26px;}
.tl-marker i{
  width:14px;height:14px;border-radius:50%;background:var(--surface);
  border:3px solid var(--brand);box-shadow:0 0 0 4px var(--bg);display:block;
}
.tl-item:nth-child(3n+2) .tl-marker i{border-color:#8A6BD8;}
.tl-item:nth-child(3n+3) .tl-marker i{border-color:var(--accent-ink);background:var(--accent);}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;max-width:820px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--brand-soft);}
.tl-thumb{overflow:hidden;aspect-ratio:16/7;background:var(--brand-soft);}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.tl-card:hover .tl-thumb img{transform:scale(1.04);}
.tl-body{padding:20px 22px 22px;}
.tag-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.badge{
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
  padding:4px 10px;border-radius:8px;
}
.badge-warm{background:rgba(255,180,92,.22);color:#8a4d00;}
.meta{font-family:var(--font-num);font-size:13px;color:var(--muted);letter-spacing:.3px;}
.tl-body h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.link-arrow svg{transition:transform .22s ease;}
.link-arrow:hover{color:var(--accent-ink);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- stat band ---------- */
.stat-band-wrap{margin:20px auto 0;}
.stat-band{
  background:var(--brand-dark);border-radius:24px;padding:44px 40px;
  color:#fff;box-shadow:0 18px 40px rgba(10,4,26,.5);
}
.stat-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;margin-bottom:6px;color:#fff;}
.stat-band .band-sub{font-size:14px;color:rgba(255,255,255,.62);margin-bottom:28px;}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.stat-item strong{
  display:block;font-family:var(--font-num);font-size:34px;line-height:1.1;
  color:var(--accent);font-weight:700;
}
.stat-item span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:6px;line-height:1.7;}

/* ---------- pagination ---------- */
.pagination{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin:48px 0 8px;flex-wrap:wrap;
}
.page-btn{
  min-width:44px;height:44px;padding:0 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .22s ease,color .22s ease,background-color .22s ease;
}
.page-btn:hover{border-color:var(--brand);color:var(--brand);}
.page-btn.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);}
.page-btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;}
.page-btn[aria-disabled="true"]:hover{border-color:var(--line);color:var(--ink);}

/* ---------- faq ---------- */
.section{margin-top:64px;}
.section-head{margin-bottom:26px;max-width:640px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:17px;font-weight:600;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-family:var(--font-num);font-size:22px;line-height:1;color:var(--brand);
  transition:transform .22s ease;flex-shrink:0;
}
.faq-item[open]{border-color:var(--brand-soft);box-shadow:var(--shadow-sm);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- cta ---------- */
.cta{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:48px 40px;text-align:center;margin:64px 0 0;
}
.cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta p{font-size:15px;color:var(--muted);margin:12px auto 24px;max-width:520px;}
.cta-form{display:flex;gap:10px;justify-content:center;max-width:520px;margin:0 auto;}
.cta-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  padding:0 16px;font-size:15px;color:var(--ink);transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,42,156,.14);}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--brand-deep);color:rgba(255,255,255,.72);
  padding:64px 0 28px;margin-top:80px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:120px;height:2px;background:var(--accent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.logo-light .logo-text{color:#fff;}
.logo-light .logo-sub{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:14px;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.footer-col a{display:block;font-size:14px;padding:5px 0;color:rgba(255,255,255,.66);transition:color .22s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-sub p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;}
.sub-form{display:flex;gap:8px;margin-top:12px;}
.sub-form input{
  flex:1;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:#fff;padding:0 12px;font-size:14px;
  transition:border-color .22s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.45);}
.sub-form input:focus{outline:none;border-color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:40px;padding-top:20px;
  display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-search input{width:160px;}
  .nav-links{gap:20px;}
}
@media (max-width:991px){
  .nav-links,.nav-search,.link-login{display:none;}
  .header-actions .btn-sm{display:none;}
  .nav-toggle{display:inline-flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .stat-band{padding:36px 28px;}
  .stat-grid{grid-template-columns:repeat(3,1fr);gap:18px;}
  .page-hero{padding:26px 0 36px;}
  .cta{padding:40px 28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .page-hero h1{font-size:clamp(26px,6.6vw,34px);}
  .hero-badge{width:100%;display:flex;align-items:center;gap:12px;justify-content:center;padding:14px 18px;}
  .hero-badge strong{font-size:24px;}
  .filter-bar{margin:32px 0 22px;}
  .timeline::before{display:none;}
  .tl-item{grid-template-columns:1fr;gap:0;}
  .tl-marker{display:none;}
  .tl-thumb{aspect-ratio:16/9;}
  .stat-grid{grid-template-columns:1fr;gap:20px;}
  .stat-band{border-radius:20px;padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta{padding:34px 20px;border-radius:16px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:16px;}
  .faq-body{padding:0 18px 18px;}
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .pagination .page-btn{min-width:40px;height:40px;padding:0 12px;}
}
@media (max-width:479px){
  .logo-text{font-size:16px;}
  .logo-sub{font-size:11px;}
  .tl-body{padding:16px 16px 18px;}
  .tl-body h3{font-size:18px;}
  .footer-bottom{flex-direction:column;}
}