/* roulang page: index */
:root{
  --brand:#1B5E57;
  --brand-deep:#0F3F3A;
  --brand-soft:#E7F0EE;
  --accent:#C97B3C;
  --accent-deep:#B0662C;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E5E0;
  --ink:#17211F;
  --ink-2:#4A5A57;
  --ink-3:#8A9693;
  --ok:#4F7A52;
  --warn:#B4813A;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(23,33,31,.05), 0 6px 20px rgba(23,33,31,.06);
  --shadow-2:0 10px 28px rgba(23,33,31,.10);
  --container:1200px;
  --section-gap:96px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","PingFang 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:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--section-gap) 0;}
.section-tight{padding:64px 0;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(23,33,31,.06);}
.nav-wrap{
  max-width:var(--container);margin:0 auto;padding:0 32px;
  height:72px;display:flex;align-items:center;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.brand-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:30px;margin:0 auto;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;
  background:var(--brand);transition:width .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-right{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-search{position:relative;width:222px;}
.nav-search svg{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:15px;height:15px;stroke:var(--ink-3);fill:none;stroke-width:1.8;
}
.nav-search input{
  width:100%;height:40px;border:1px solid var(--line);border-radius:var(--radius-pill);
  background:#fff;color:var(--ink);font-size:14px;padding:0 16px 0 38px;
  transition:border-color .18s ease, background .18s ease, box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);background:var(--brand-soft);
  box-shadow:0 0 0 3px rgba(27,94,87,.10);
}
.nav-divider{width:1px;height:22px;background:var(--line);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-align:center;line-height:1.2;
}
.btn svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 6px rgba(201,123,60,.22);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(201,123,60,.26);}
.btn-primary:active{transform:none;box-shadow:0 2px 6px rgba(201,123,60,.22);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:none;}
.btn-onDark{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-onDark:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:none;
  padding:0;min-height:0;color:var(--brand);font-size:15px;font-weight:600;
  cursor:pointer;transition:color .18s ease;
}
.btn-text:hover{color:var(--brand-deep);}
.btn-text:hover svg{transform:translateX(3px);}
.nav-cta{height:40px;min-height:40px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;cursor:pointer;padding:0;
}
.nav-toggle svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;}

/* ---------- Drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none;}
.drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(23,33,31,.45);}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(330px,86vw);
  background:#fff;padding:22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;
}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;stroke-linecap:round;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:10px;font-size:16px;color:var(--ink);font-weight:500;
  border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.drawer-search{margin:16px 0 8px;}
.drawer-search input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,94,87,.10);}
.drawer-cta{margin-top:14px;width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--bg);padding:72px 0 var(--section-gap);overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:22px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero h1{
  font-size:48px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);margin:0 0 20px;
}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;
  font-size:14px;color:var(--ink-2);
}
.hero-points span{display:inline-flex;align-items:center;gap:8px;}
.hero-points span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-visual::before{
  content:"";position:absolute;right:-16px;bottom:-16px;width:92%;height:88%;
  background:var(--brand-soft);border-radius:var(--radius-lg);z-index:0;
}
.hero-visual img{
  position:relative;z-index:1;width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--radius-lg);background:var(--brand-soft);
  border:1px solid rgba(227,229,224,.7);
}

/* ---------- Section head ---------- */
.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:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--ink);margin:0 0 8px;}
.section-head p{margin:0;font-size:15px;line-height:1.75;color:var(--ink-2);max-width:660px;}
.section-head .head-action{flex:0 0 auto;padding-bottom:6px;}

/* ---------- Feature covers ---------- */
.cover-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;}
.cover-col{display:grid;gap:24px;}
.cover-card{
  position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--brand-soft);border:1px solid var(--line);
  transition:transform .25s ease, box-shadow .25s ease;
}
.cover-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.cover-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.cover-card:hover img{transform:scale(1.03);}
.cover-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(to top, rgba(15,63,58,.94) 0%, rgba(15,63,58,.62) 46%, rgba(15,63,58,.04) 78%);
}
.cover-card .badge{
  position:absolute;top:20px;left:20px;z-index:2;
  background:rgba(255,255,255,.92);color:var(--brand-deep);
}
.cover-body{
  position:relative;z-index:2;height:100%;min-height:412px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;color:#fff;
}
.cover-card.small .cover-body{min-height:194px;padding:22px;}
.cover-body h3{font-size:24px;line-height:1.4;font-weight:700;color:#fff;margin:0 0 10px;}
.cover-card.small .cover-body h3{font-size:18px;margin-bottom:6px;}
.cover-body .cover-desc{font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);margin:0 0 14px;}
.cover-card.small .cover-body .cover-desc{display:none;}
.cover-meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.cover-card.small .cover-meta{margin-bottom:0;font-size:12px;}
.cover-card .btn{width:auto;align-self:flex-start;}
.cover-card.small .btn{min-height:36px;padding:0 14px;font-size:13px;margin-top:10px;}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;line-height:1.5;white-space:nowrap;
}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:transform .22s ease, box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  font-family:var(--font-num);font-size:15px;font-weight:700;color:var(--accent);
  letter-spacing:.08em;margin-bottom:14px;display:block;
}
.step-card h3{font-size:20px;line-height:1.45;font-weight:600;margin:0 0 10px;color:var(--ink);}
.step-card p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0;}

/* ---------- Catalog ---------- */
.catalog{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.catalog-row{
  display:grid;grid-template-columns:52px 1fr auto 22px;gap:18px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line);
  transition:background .18s ease;color:var(--ink);
}
.catalog-row:last-child{border-bottom:none;}
.catalog-row:hover{background:var(--brand-soft);}
.catalog-num{font-family:var(--font-num);font-size:19px;font-weight:700;color:var(--accent);}
.catalog-main h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);margin:0 0 4px;}
.catalog-row:hover .catalog-main h3{color:var(--brand);}
.catalog-main p{font-size:14px;line-height:1.7;color:var(--ink-2);margin:0;}
.catalog-time{font-size:13px;color:var(--ink-3);white-space:nowrap;font-family:var(--font-num);}
.catalog-arrow{display:inline-flex;align-items:center;justify-content:center;}
.catalog-arrow svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease, stroke .18s ease;}
.catalog-row:hover .catalog-arrow svg{transform:translateX(3px);stroke:var(--brand);}

/* ---------- Featured cards ---------- */
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;font-weight:600;margin:0;}
.card-body h3 a{color:var(--ink);display:block;}
.post-card:hover .card-body h3 a{color:var(--brand);}
.card-body p{
  font-size:14px;line-height:1.72;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}
.featured-grid .span-2{grid-column:span 2;}
.featured-grid .span-2 .card-cover{aspect-ratio:21/9;}
.featured-grid .span-2 .card-body{padding:24px 28px 28px;}
.featured-grid .span-2 .card-body h3{font-size:22px;}

/* ---------- News (CMS) ---------- */
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:1fr 200px;gap:32px;align-items:center;
  padding:24px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.news-item:hover{background:rgba(231,240,238,.45);}
.news-top{display:flex;align-items:center;gap:12px;margin-bottom:10px;flex-wrap:wrap;}
.news-date{font-size:13px;color:var(--ink-3);font-family:var(--font-num);}
.news-item h3{font-size:20px;line-height:1.5;font-weight:600;margin:0 0 8px;}
.news-item h3 a{color:var(--ink);}
.news-item h3 a:hover{color:var(--brand);}
.news-item p{
  font-size:14px;line-height:1.72;color:var(--ink-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-thumb{aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--brand-soft);border:1px solid var(--line);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:44px 28px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state p{font-size:15px;color:var(--ink-2);margin:0 0 16px;}

/* ---------- Recommend scroller ---------- */
.rec-scroller{
  display:grid;grid-auto-flow:column;grid-auto-columns:282px;gap:20px;
  overflow-x:auto;padding:4px 4px 14px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rec-scroller::-webkit-scrollbar{height:6px;}
.rec-scroller::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.rec-card{
  scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease, box-shadow .2s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.rec-cover{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.rec-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rec-card:hover .rec-cover img{transform:scale(1.04);}
.rec-body{padding:16px 18px 18px;}
.rec-body h3{font-size:16px;line-height:1.5;font-weight:600;margin:8px 0 0;}
.rec-body h3 a{color:var(--ink);}
.rec-body h3 a:hover{color:var(--brand);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-soft);border-radius:var(--radius-lg);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;border:1px solid rgba(27,94,87,.10);
}
.cta-band h2{font-size:22px;line-height:1.5;font-weight:700;margin:0 0 6px;color:var(--brand-deep);}
.cta-band p{font-size:14px;color:var(--ink-2);margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:flex-start;gap:16px;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-idx{
  font-family:var(--font-num);font-size:14px;font-weight:700;color:var(--accent);
  flex:0 0 auto;padding-top:3px;letter-spacing:.06em;
}
.faq-item summary .faq-arrow{
  margin-left:auto;flex:0 0 auto;width:18px;height:18px;transition:transform .2s ease;
}
.faq-item summary .faq-arrow svg{width:18px;height:18px;stroke:var(--ink-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--accent), var(--shadow-1);}
.faq-item[open] summary .faq-arrow{transform:rotate(180deg);}
.faq-answer{padding:0 24px 22px 64px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-answer p{margin:0 0 10px;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#E8EFEC;margin-top:var(--section-gap);}
.footer-inner{max-width:var(--container);margin:0 auto;padding:64px 32px 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.footer-brand .brand-mark svg{stroke:#fff;}
.footer-brand span{font-size:16px;font-weight:700;color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(232,239,236,.72);margin:0 0 12px;max-width:320px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.02em;}
.footer-links a{display:block;color:rgba(232,239,236,.72);font-size:14px;padding:6px 0;transition:color .18s ease,padding-left .18s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-links li{line-height:1.6;}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(232,239,236,.72);margin:0 0 8px;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,239,236,.58);
}
.footer-bottom a{color:rgba(232,239,236,.72);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  :root{--section-gap:80px;}
  .hero h1{font-size:42px;}
  .nav-wrap{gap:18px;padding:0 24px;}
  .main-nav{gap:22px;}
  .nav-search{width:190px;}
  .container{padding:0 24px;}
  .footer-inner{padding:56px 24px 0;}
}
@media (max-width:1023px){
  :root{--section-gap:72px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-divider{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:52px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .hero-sub{max-width:none;}
  .hero-visual{max-width:560px;}
  .hero-visual img{aspect-ratio:16/10;}
  .cover-grid{grid-template-columns:1fr;}
  .cover-body{min-height:320px;}
  .cover-col{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .featured-grid{grid-template-columns:repeat(2,1fr);}
  .featured-grid .span-2{grid-column:span 2;}
  .featured-grid .span-2 .card-cover{aspect-ratio:16/9;}
  .news-item{grid-template-columns:1fr 160px;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .catalog-row{grid-template-columns:44px 1fr 22px;gap:14px;}
  .catalog-time{display:none;}
  .rec-scroller{grid-auto-columns:250px;}
}
@media (max-width:767px){
  :root{--section-gap:56px;}
  body{font-size:16px;}
  .container{padding:0 16px;}
  .nav-wrap{height:60px;padding:0 16px;gap:12px;}
  .brand-name{font-size:15px;}
  .hero{padding:40px 0 56px;}
  .hero h1{font-size:30px;line-height:1.28;}
  .hero-sub{font-size:16px;margin-bottom:24px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:8px 16px;font-size:13.5px;}
  .hero-visual::before{right:-8px;bottom:-8px;}
  .section-head{margin-bottom:24px;}
  .section-head h2{font-size:23px;}
  .section-head p{font-size:14.5px;}
  .cover-col{grid-template-columns:1fr;}
  .cover-body{min-height:290px;padding:22px;}
  .cover-card.small .cover-body{min-height:170px;}
  .cover-body h3{font-size:20px;}
  .cover-card.small .cover-body h3{font-size:17px;}
  .catalog-row{padding:16px 18px;grid-template-columns:38px 1fr 18px;gap:12px;}
  .catalog-num{font-size:17px;}
  .catalog-main h3{font-size:16.5px;}
  .catalog-main p{font-size:13.5px;}
  .featured-grid{grid-template-columns:1fr;}
  .featured-grid .span-2{grid-column:span 1;}
  .featured-grid .span-2 .card-cover{aspect-ratio:16/9;}
  .featured-grid .span-2 .card-body h3{font-size:19px;}
  .card-cover{aspect-ratio:16/9;}
  .news-item{grid-template-columns:1fr;gap:14px;padding:20px 0;}
  .news-thumb{order:-1;aspect-ratio:16/9;}
  .news-item h3{font-size:18px;}
  .rec-scroller{grid-auto-columns:78vw;}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:19px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .faq-item summary{padding:16px 18px;font-size:16px;gap:12px;}
  .faq-answer{padding:0 18px 18px 50px;font-size:14.5px;}
  .footer-inner{padding:44px 16px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px;}
  .step-card{padding:22px;}
  .step-card h3{font-size:18px;}
}
@media (max-width:479px){
  .hero h1{font-size:27px;}
  .brand-name{font-size:14px;}
  .eyebrow{font-size:12px;padding:5px 12px;}
  .btn{padding:0 18px;font-size:14.5px;}
  .rec-scroller{grid-auto-columns:84vw;}
}

/* roulang page: article */
:root{
  --brand:#1B5E57;
  --brand-deep:#0F3F3A;
  --brand-soft:#E7F0EE;
  --accent:#C97B3C;
  --accent-deep:#B26A2F;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E5E0;
  --ink:#17211F;
  --ink-2:#4A5A57;
  --ink-3:#8A9693;
  --ok:#4F7A52;
  --warn:#B4813A;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow-1:0 1px 2px rgba(23,33,31,.05),0 6px 20px rgba(23,33,31,.06);
  --shadow-2:0 10px 28px rgba(23,33,31,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style-position:outside}
li{list-style:inherit}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(23,33,31,.06)}
.header-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:9px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid rgba(27,94,87,.18);
}
.brand-mark svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.brand-text{
  font-size:17px;
  font-weight:700;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  height:100%;
  margin-right:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:72px;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:16px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.header-tools{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.search-form{position:relative;display:flex;align-items:center}
.search-form svg{
  position:absolute;
  left:13px;
  width:16px;
  height:16px;
  fill:none;
  stroke:var(--ink-3);
  stroke-width:1.8;
  stroke-linecap:round;
  pointer-events:none;
}
.search-form input{
  width:220px;
  height:40px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:14px;
  padding:0 16px 0 38px;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{
  outline:none;
  border-color:var(--brand);
  background:var(--brand-soft);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:#fff;
  color:var(--ink);
  align-items:center;
  justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 20px;
  border-radius:var(--radius-sm);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  text-align:center;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-quiet{
  background:#fff;
  border-color:var(--line);
  color:var(--ink-2);
  font-weight:500;
  padding:8px 16px;
  min-height:40px;
  font-size:14px;
}
.btn-quiet:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
  padding:4px 0;
  border:0;
  background:none;
}
.btn-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.btn-link:hover{color:var(--brand-deep)}
.btn-link:hover svg{transform:translateX(3px)}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  max-width:1200px;
  margin:0 auto;
  padding:18px 32px 4px;
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#C7CCC8}
.breadcrumb .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article shell ---------- */
.article-page{padding:8px 0 96px}
.article-main{max-width:840px;margin:0 auto;padding:0 32px}
.article-head{padding-top:20px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.4px;
  padding:5px 12px;
  border-radius:999px;
  line-height:1.5;
}
.article-title{
  font-size:34px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  margin:16px 0 18px;
  max-width:760px;
  letter-spacing:-.2px;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:14px;
  color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD1CD}
.article-head-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:22px;
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
}
.cover-figure{
  margin:26px 0 0;
  border-radius:16px;
  overflow:hidden;
  background:var(--brand-soft);
  border:1px solid var(--line);
}
.cover-figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  display:block;
}
.cover-caption{
  font-size:13px;
  color:var(--ink-3);
  margin-top:10px;
  line-height:1.7;
}

/* ---------- Article body ---------- */
.article-body{
  margin-top:34px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  max-width:760px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 22px}
.article-body h2{
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
  margin:44px 0 16px;
}
.article-body h2::before{
  content:"";
  display:block;
  width:40px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
  margin-bottom:14px;
}
.article-body h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  color:var(--ink);
  margin:30px 0 12px;
}
.article-body h4{
  font-size:17px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  margin:24px 0 10px;
}
.article-body ul,.article-body ol{
  margin:0 0 22px;
  padding-left:22px;
}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:9px;line-height:1.9}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:26px 0;
  padding:18px 22px;
  border-left:3px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;
  border-radius:12px;
  margin:24px 0 10px;
  background:var(--brand-soft);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  font-size:15px;
}
.article-body thead th{
  background:var(--brand-soft);
  color:var(--ink);
  font-weight:600;
  text-align:left;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  border-right:1px solid var(--line);
  line-height:1.7;
}
.article-body tr:last-child td{border-bottom:0}
.article-body th:last-child,.article-body td:last-child{border-right:0}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.article-body a:hover{color:var(--brand-deep);text-decoration-thickness:2px}
.article-body strong{font-weight:600}

/* ---------- Empty state ---------- */
.empty-state{
  margin-top:34px;
  padding:48px 28px;
  text-align:center;
  border:1px dashed var(--line);
  border-radius:var(--radius);
  background:#fff;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px}

/* ---------- Footer actions ---------- */
.article-foot{
  max-width:760px;
  margin-top:40px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.foot-label{font-size:13px;color:var(--ink-3);margin-bottom:12px;letter-spacing:.4px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:500;
  transition:background .18s ease,color .18s ease;
}
.tag:hover{background:var(--brand);color:#fff}
.foot-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}

/* ---------- Related ---------- */
.related-section{
  max-width:840px;
  margin:64px auto 0;
  padding:0 32px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}
.section-head h2{
  font-size:26px;
  line-height:1.35;
  font-weight:700;
  color:var(--ink);
}
.section-head p{font-size:14px;color:var(--ink-3);margin-top:6px}
.related-list{display:grid;gap:16px}
.related-item{
  display:grid;
  grid-template-columns:168px 1fr;
  gap:20px;
  align-items:center;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3DAD6}
.related-thumb{
  border-radius:10px;
  overflow:hidden;
  background:var(--brand-soft);
}
.related-thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .35s ease;
}
.related-item:hover .related-thumb img{transform:scale(1.03)}
.related-body h3{
  font-size:18px;
  line-height:1.5;
  font-weight:600;
  color:var(--ink);
  margin:8px 0 8px;
  transition:color .18s ease;
}
.related-item:hover .related-body h3{color:var(--brand)}
.related-body p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:8px;
}
.related-meta{font-size:13px;color:var(--ink-3)}

/* ---------- CTA strip ---------- */
.cta-strip{max-width:1200px;margin:72px auto 0;padding:0 32px}
.cta-inner{
  background:var(--brand-soft);
  border-radius:var(--radius-lg);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  border:1px solid rgba(27,94,87,.10);
}
.cta-title{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink)}
.cta-sub{font-size:14px;color:var(--ink-2);margin-top:6px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(320px,86vw);
  background:#fff;
  z-index:90;
  padding:22px;
  transform:translateX(105%);
  transition:transform .28s ease;
  box-shadow:-10px 0 30px rgba(23,33,31,.14);
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-title{font-size:15px;font-weight:700}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  padding:12px 10px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand)}
.drawer-search{position:relative;display:flex;align-items:center}
.drawer-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);
  padding:0 16px;font-size:14px;background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);background:var(--brand-soft)}
.drawer-cta{width:100%}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#EDEFEC;margin-top:88px}
.footer-inner{max-width:1200px;margin:0 auto;padding:64px 32px 0}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.16);
  color:#fff;
}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:10px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin-bottom:8px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .header-inner{gap:22px}
  .main-nav{gap:22px}
  .search-form input{width:180px}
}
@media (max-width:1023px){
  .container,.header-inner,.breadcrumb,.article-main,.related-section,.cta-strip{padding-left:24px;padding-right:24px}
  .main-nav{display:none}
  .search-form{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
  .article-title{font-size:30px}
  .article-body h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:28px;flex-direction:column;align-items:flex-start;gap:20px}
  .footer-inner{padding-top:52px}
}
@media (max-width:767px){
  .container,.header-inner,.breadcrumb,.article-main,.related-section,.cta-strip{padding-left:16px;padding-right:16px}
  .header-inner{height:60px;gap:12px}
  .brand-text{font-size:15px}
  .article-page{padding-bottom:64px}
  .article-title{font-size:28px;line-height:1.38}
  .article-head{padding-top:14px}
  .article-head-actions{margin-top:18px;padding-bottom:18px}
  .article-body{margin-top:26px;font-size:16px}
  .article-body h2{font-size:22px;margin-top:36px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .related-item{grid-template-columns:104px 1fr;gap:14px;padding:12px}
  .related-body h3{font-size:16px}
  .related-body p{-webkit-line-clamp:2}
  .related-section{margin-top:48px}
  .cta-strip{margin-top:52px}
  .cta-inner{padding:24px 20px}
  .cta-title{font-size:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-inner{padding-left:16px;padding-right:16px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .site-footer{margin-top:64px}
  .foot-actions .btn{flex:1 1 auto}
}
@media (max-width:480px){
  .article-title{font-size:26px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .related-item{grid-template-columns:1fr}
  .related-thumb img{aspect-ratio:16/9}
  .breadcrumb{font-size:12px}
  .article-meta{font-size:13px}
}

/* roulang page: category1 */
:root{
  --brand:#1B5E57;
  --brand-deep:#0F3F3A;
  --brand-soft:#E7F0EE;
  --accent:#C97B3C;
  --accent-deep:#B06A2F;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E5E0;
  --ink:#17211F;
  --ink-2:#4A5A57;
  --ink-3:#8A9693;
  --ok:#4F7A52;
  --warn:#B4813A;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,33,31,.05),0 6px 20px rgba(23,33,31,.06);
  --sh-2:0 10px 28px rgba(23,33,31,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit;font-size:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(23,33,31,.06)}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  height:72px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-size:17px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:32px;height:32px;
  border-radius:9px;
  background:var(--brand-soft);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--brand);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{width:100%}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:42px;
  width:228px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:#fff;
  transition:border-color .18s ease,background .18s ease;
}
.search-box:focus-within{border-color:var(--brand);background:var(--brand-soft)}
.search-box svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:1.8;stroke-linecap:round;flex:0 0 auto}
.search-box input{
  border:0;outline:none;background:transparent;
  width:100%;height:100%;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--ink-3)}
.header-tools .divider{width:1px;height:26px;background:var(--line)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  color:var(--ink);
}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:11px 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(23,33,31,.06)}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(201,123,60,.24)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:600;font-size:15px;
  min-height:44px;
}
.btn-text .arrow{transition:transform .2s ease;display:inline-block}
.btn-text:hover .arrow{transform:translateX(3px)}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.breadcrumb-bar .container{height:44px;display:flex;align-items:center}
.breadcrumb{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--ink-2)}

/* ============ 页头 ============ */
.page-head{padding:60px 0 40px}
.page-head-inner{display:grid;grid-template-columns:minmax(0,1fr) 288px;gap:56px;align-items:end}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;
  color:var(--brand);
  background:var(--brand-soft);
  border-radius:var(--r-pill);
  padding:5px 14px;
  font-weight:600;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.page-head h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.24;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-lead{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:660px}
.head-stats{
  display:flex;flex-direction:column;gap:22px;
  padding-left:28px;
  border-left:1px solid var(--line);
}
.stat-num{
  display:block;
  font-family:var(--font-num);
  font-size:27px;
  font-weight:700;
  color:var(--brand);
  line-height:1.2;
  letter-spacing:-.01em;
}
.stat-num.small{font-size:20px}
.stat-label{display:block;font-size:12px;color:var(--ink-3);margin-top:4px;letter-spacing:.02em}

/* ============ 筛选 + 列表 ============ */
.section{margin-bottom:88px}
.section-head{margin-bottom:26px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700}
.section-head p{margin-top:10px;font-size:15px;color:var(--ink-2);max-width:720px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.chip{
  display:inline-flex;align-items:center;
  min-height:40px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  font-weight:500;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff}
.chip.is-on:hover{color:#fff;transform:none}
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  display:grid;
  grid-template-columns:40% minmax(0,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6DCD7}
.entry-thumb{
  background:var(--brand-soft);
  min-height:200px;
  overflow:hidden;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:22px 24px;display:flex;flex-direction:column;gap:10px}
.tag{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.entry-body h3{font-size:19px;line-height:1.45;font-weight:600}
.entry-body h3 a{color:var(--ink)}
.entry-body h3 a:hover{color:var(--brand)}
.entry-body p{font-size:14px;line-height:1.8;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{
  margin-top:auto;
  padding-top:12px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;
  border-top:1px solid var(--line);
}
.meta{font-size:13px;color:var(--ink-3)}
.meta span+span::before{content:"·";margin:0 6px;color:var(--line)}
.arrow-badge{
  width:28px;height:28px;flex:0 0 auto;
  border-radius:50%;
  border:1px solid var(--line);
  color:var(--ink-3);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.entry-card:hover .arrow-badge{background:var(--brand);border-color:var(--brand);color:#fff}

/* ============ 分页 ============ */
.pager{
  display:flex;align-items:center;justify-content:center;
  gap:10px;flex-wrap:wrap;
  margin-top:44px;
}
.pager a,.pager span{
  min-width:44px;height:44px;
  padding:0 16px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  font-weight:500;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.pager .is-disabled{color:var(--ink-3);background:#F2F1ED}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-list{display:grid;gap:14px}
.faq-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .25s ease;
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;
  background:none;border:0;
  text-align:left;
  cursor:pointer;
  color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.5;
}
.faq-num{
  font-family:var(--font-num);
  font-size:13px;font-weight:700;
  color:var(--accent);
  letter-spacing:.04em;
  flex:0 0 auto;
}
.faq-icon{
  margin-left:auto;flex:0 0 auto;
  width:11px;height:11px;
  border-right:2px solid var(--ink-3);
  border-bottom:2px solid var(--ink-3);
  transform:rotate(45deg);
  transition:transform .25s ease,border-color .25s ease;
  margin-top:-4px;
}
.faq-item.is-open .faq-icon{transform:rotate(-135deg);border-color:var(--brand);margin-top:4px}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:760px}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--brand-deep) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:var(--sh-1);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(15,63,58,.94) 0%,rgba(15,63,58,.82) 52%,rgba(15,63,58,.56) 100%);
}
.cta-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;
  padding:42px 44px;
  color:#F3F6F4;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);line-height:1.4;font-weight:700;margin-bottom:8px}
.cta-inner p{font-size:15px;line-height:1.8;color:rgba(243,246,244,.82);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(15,63,58,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:70;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:min(320px,86vw);
  background:#fff;
  z-index:80;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
  box-shadow:-12px 0 32px rgba(23,33,31,.14);
}
.drawer.is-open{transform:translateX(0)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--ink);
}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.drawer-nav{display:grid;gap:4px;margin-bottom:22px}
.drawer-nav a{
  padding:13px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--ink-2);
  font-weight:500;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.drawer .search-box{width:100%;margin-bottom:16px}
.drawer .btn{width:100%}

/* ============ Footer ============ */
.site-footer{
  background:var(--brand-deep);
  color:#E7EDEA;
  padding:64px 0 0;
  margin-top:0;
}
.footer-inner{max-width:var(--container);margin:0 auto;padding:0 32px}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .9fr .9fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10);color:#E7F0EE}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(231,237,234,.72);margin-bottom:10px;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(231,237,234,.72)}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(231,237,234,.72);margin-bottom:8px}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(231,237,234,.6);
}
.footer-bottom a{color:rgba(231,237,234,.78)}
.footer-bottom a:hover{color:#fff}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container,.header-inner,.footer-inner{padding-left:24px;padding-right:24px}
  .header-inner{gap:20px}
  .search-box{width:200px}
  .page-head-inner{grid-template-columns:minmax(0,1fr) 250px;gap:36px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .search-box{display:none}
  .header-tools .divider{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .header-inner{height:64px}
  .page-head{padding:44px 0 32px}
  .page-head-inner{grid-template-columns:1fr;gap:28px;align-items:start}
  .head-stats{
    flex-direction:row;flex-wrap:wrap;gap:32px;
    padding-left:0;padding-top:22px;
    border-left:0;border-top:1px solid var(--line);
  }
  .entry-grid{grid-template-columns:1fr}
  .entry-thumb{min-height:180px}
  .section{margin-bottom:64px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .faq-wrap{max-width:none}
}
@media (max-width:767px){
  body{font-size:16px}
  .container,.header-inner,.footer-inner{padding-left:16px;padding-right:16px}
  .header-inner{height:60px}
  .brand{font-size:15px}
  .brand-mark{width:28px;height:28px;border-radius:8px}
  .brand-mark svg{width:17px;height:17px}
  .brand-tail{display:none}
  .page-head h1{font-size:28px;line-height:1.3}
  .page-lead{font-size:16px}
  .stat-num{font-size:23px}
  .stat-num.small{font-size:17px}
  .head-stats{gap:22px}
  .section{margin-bottom:48px}
  .entry-card{grid-template-columns:1fr}
  .entry-thumb{min-height:0}
  .entry-thumb img{aspect-ratio:16/9}
  .entry-body{padding:20px}
  .entry-body h3{font-size:18px}
  .faq-q{font-size:16px;padding:18px 18px;gap:10px}
  .faq-a-inner{padding:0 18px 18px 18px}
  .cta-inner{padding:28px 22px}
  .pager a,.pager span{min-width:42px;height:42px;padding:0 12px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .page-head h1{font-size:26px}
  .filter-bar{gap:8px}
  .chip{padding:7px 14px;font-size:13px;min-height:38px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --brand:#1B5E57;
  --brand-deep:#0F3F3A;
  --brand-soft:#E7F0EE;
  --accent:#C97B3C;
  --accent-deep:#AC6428;
  --bg:#F6F5F1;
  --surface:#FFFFFF;
  --line:#E3E5E0;
  --ink:#17211F;
  --ink-2:#4A5A57;
  --ink-3:#8A9693;
  --ok:#4F7A52;
  --warn:#B4813A;
  --radius-card:14px;
  --radius-lg:18px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(23,33,31,.05),0 6px 20px rgba(23,33,31,.06);
  --shadow-hover:0 10px 28px rgba(23,33,31,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",system-ui,-apple-system,sans-serif;
  --container:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:48px;line-height:1.22;}
h2{font-size:32px;line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.3;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 2px 8px rgba(201,123,60,.24);}
.btn-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(201,123,60,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(201,123,60,.24);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:8px 18px;min-height:40px;font-size:14px;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
  padding:8px 0;
  min-height:44px;
}
.btn-text .arrow{transition:transform .2s ease;display:inline-block;}
.btn-text:hover .arrow{transform:translateX(3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 10px rgba(23,33,31,.06);}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex-shrink:0;
}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:32px;
  height:32px;
  border-radius:9px;
  border:1px solid var(--line);
  background:var(--brand-soft);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  flex-shrink:0;
}
.brand-mark svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  color:var(--ink-2);
  font-size:15px;
  font-weight:500;
  border-radius:8px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:8px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:700;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  width:220px;
  height:42px;
  background:#FBFBF9;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 16px;
  transition:border-color .18s ease,background-color .18s ease;
}
.search-box:focus-within{border-color:var(--brand);background:var(--brand-soft);}
.search-box svg{width:16px;height:16px;stroke:var(--ink-3);fill:none;stroke-width:1.8;flex-shrink:0;}
.search-box input{
  border:0;
  background:transparent;
  outline:none;
  width:100%;
  padding:0 0 0 8px;
  font-size:14px;
  color:var(--ink);
  height:100%;
}
.search-box input::placeholder{color:var(--ink-3);}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:background-color .18s ease;}
.menu-toggle:hover span{background:var(--brand);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(340px,86vw);
  background:var(--surface);
  z-index:200;
  transform:translateX(102%);
  transition:transform .26s ease;
  padding:20px 22px 32px;
  overflow-y:auto;
  box-shadow:-8px 0 30px rgba(23,33,31,.12);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(15,63,58,.36);
  z-index:190;
  opacity:0;
  pointer-events:none;
  transition:opacity .26s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--ink-2);
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-search{display:flex;align-items:center;border:1px solid var(--line);border-radius:10px;height:44px;padding:0 14px;background:#FBFBF9;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px;color:var(--ink);}
.drawer-search input::placeholder{color:var(--ink-3);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:10px;
  color:var(--ink-2);font-size:16px;font-weight:500;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;}
.drawer-cta{margin-top:auto;width:100%;}

/* ============ 页头块（居中） ============ */
.page-head{
  padding:72px 0 56px;
  text-align:center;
  background:
    radial-gradient(900px 320px at 50% -60px, rgba(231,240,238,.95), rgba(246,245,241,0) 72%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
  margin-bottom:22px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.page-head h1{
  max-width:820px;
  margin:0 auto 20px;
  font-size:44px;
  line-height:1.24;
}
.page-head .lede{
  max-width:640px;
  margin:0 auto 30px;
  color:var(--ink-2);
  font-size:17px;
  line-height:1.8;
}
.pill-group{
  display:inline-flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  padding:8px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-card);
}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:7px 20px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  font-weight:500;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.pill:hover{border-color:var(--brand);color:var(--brand);}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;}

/* ============ 时间线目录 ============ */
.timeline-section{padding:var(--sp-section) 0 40px;}
.timeline-intro{
  max-width:720px;
  margin:0 auto 44px;
  text-align:center;
  color:var(--ink-2);
  font-size:15px;
}
.timeline{position:relative;max-width:960px;margin:0 auto;}
.timeline::before{
  content:"";
  position:absolute;
  left:31px;
  top:12px;
  bottom:12px;
  width:1px;
  background:linear-gradient(180deg, var(--line) 0%, var(--line) 88%, rgba(227,229,224,0) 100%);
}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:64px 1fr 140px;
  gap:26px;
  align-items:center;
  padding:26px 22px 26px 0;
  border-bottom:1px dashed var(--line);
  border-radius:12px;
  transition:background-color .2s ease;
}
.timeline-item:last-child{border-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:26px;
  top:50%;
  transform:translateY(-50%);
  width:11px;
  height:11px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand);
  box-shadow:0 0 0 4px var(--bg);
  transition:border-color .2s ease,background-color .2s ease;
}
.timeline-item:hover{background:var(--brand-soft);}
.timeline-item:hover::before{background:var(--accent);border-color:var(--accent);}
.timeline-num{
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:var(--accent);
  line-height:1;
  text-align:center;
  letter-spacing:.5px;
  transition:color .2s ease;
}
.timeline-item:hover .timeline-num{color:var(--brand);}
.timeline-body h3{margin-bottom:8px;font-size:20px;}
.timeline-body h3 a{color:var(--ink);}
.timeline-body h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;}
.timeline-body .summary{
  color:var(--ink-2);
  font-size:15px;
  line-height:1.8;
  margin:0 0 10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.timeline-meta{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-3);
  margin:0;
}
.timeline-meta .tag{
  display:inline-flex;
  align-items:center;
  padding:2px 10px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}
.timeline-thumb{
  width:140px;
  height:96px;
  border-radius:10px;
  overflow:hidden;
  background:var(--brand-soft);
  border:1px solid var(--line);
  flex-shrink:0;
}
.timeline-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.timeline-item:hover .timeline-thumb img{transform:scale(1.05);}

/* ============ 重点条目卡 ============ */
.featured-section{padding:20px 0 var(--sp-section);}
.featured-card{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.featured-text{padding:46px 46px 46px 48px;display:flex;flex-direction:column;justify-content:center;}
.badge{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  margin-bottom:18px;
}
.featured-text h2{font-size:28px;line-height:1.35;margin-bottom:16px;}
.featured-text p{color:var(--ink-2);font-size:15px;margin-bottom:26px;}
.featured-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.featured-media{
  position:relative;
  min-height:320px;
  background:var(--brand-soft);
}
.featured-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}

/* ============ 加载更多 ============ */
.load-more-wrap{
  max-width:960px;
  margin:0 auto;
  padding:0 0 var(--sp-section);
  text-align:center;
}
.load-more-note{
  font-size:13px;
  color:var(--ink-3);
  margin:14px 0 0;
}

/* ============ FAQ ============ */
.faq-section{
  padding:var(--sp-section) 0;
  background:#fff;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:700px;margin:0 auto 40px;text-align:center;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15px;}
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-wrap .accordion{background:transparent;border:0;margin:0;counter-reset:faq;}
.faq-wrap .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  counter-increment:faq;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-wrap .accordion-item:hover{box-shadow:var(--shadow-card);border-color:#D6DAD4;}
.faq-wrap .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--accent),var(--shadow-card);border-color:#D6DAD4;}
.faq-wrap .accordion-title{
  position:relative;
  display:flex;
  align-items:center;
  border:0;
  padding:20px 56px 20px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:transparent;
  line-height:1.5;
}
.faq-wrap .accordion-title:hover{background:transparent;color:var(--brand);}
.faq-wrap .accordion-title::before{
  content:counter(faq, decimal-leading-zero);
  position:static;
  display:inline-block;
  width:auto;
  height:auto;
  margin-right:14px;
  padding:0;
  background:none;
  border:0;
  transform:none;
  color:var(--accent);
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  line-height:1;
}
.faq-wrap .accordion-title::after{
  content:"＋";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:18px;
  font-weight:400;
  color:var(--ink-3);
  transition:transform .2s ease,color .2s ease;
}
.faq-wrap .accordion-item.is-active .accordion-title::after{content:"－";color:var(--brand);}
.faq-wrap .accordion-content{
  border:0;
  padding:0 24px 22px 24px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.8;
  background:transparent;
}
.faq-wrap .accordion-content p{margin:0;}

/* ============ CTA 条 ============ */
.cta-section{padding:var(--sp-section) 0;}
.cta-strip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  padding:38px 44px;
  background:var(--brand-soft);
  border:1px solid #D5E3DF;
  border-radius:var(--radius-lg);
}
.cta-strip h2{font-size:22px;line-height:1.5;margin-bottom:6px;}
.cta-strip p{margin:0;color:var(--ink-2);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#EAF1EE;
  padding:64px 0 0;
}
.footer-inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr .9fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#CFE3DE;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(234,241,238,.72);margin:0 0 10px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin:0 0 16px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(234,241,238,.72);font-size:14px;transition:color .18s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(234,241,238,.72);margin:0 0 8px;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(234,241,238,.6);
}
.footer-bottom a{color:rgba(234,241,238,.8);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  h1{font-size:40px;}
  .page-head h1{font-size:38px;}
  .container{padding:0 28px;}
  .header-inner{gap:18px;}
  .nav-link{padding:0 11px;font-size:14.5px;}
  .search-box{width:190px;}
  .timeline{max-width:880px;}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .main-nav{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{height:64px;}
  .page-head{padding:56px 0 44px;}
  .page-head h1{font-size:34px;}
  h2{font-size:26px;}
  .featured-card{grid-template-columns:1fr;}
  .featured-media{min-height:260px;order:-1;}
  .featured-text{padding:34px 30px 38px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .timeline-item{grid-template-columns:56px 1fr 120px;gap:20px;}
  .timeline-thumb{width:120px;height:86px;}
  .timeline::before{left:27px;}
  .timeline-item::before{left:22px;}
  .cta-strip{padding:30px 28px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .footer-inner{padding:0 18px;}
  h1{font-size:29px;}
  .page-head{padding:44px 0 36px;}
  .page-head h1{font-size:28px;}
  .page-head .lede{font-size:15.5px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .brand-text{font-size:15px;letter-spacing:0;}
  .pill-group{border-radius:16px;width:100%;}
  .pill{font-size:13px;padding:6px 15px;}
  .timeline-item{
    grid-template-columns:44px 1fr;
    gap:14px;
    padding:22px 12px 22px 0;
  }
  .timeline::before{left:20px;}
  .timeline-item::before{left:15px;top:30px;transform:none;}
  .timeline-num{font-size:22px;text-align:left;padding-left:2px;}
  .timeline-thumb{grid-column:2;width:100%;max-width:220px;height:124px;margin-top:6px;}
  .timeline-body .summary{-webkit-line-clamp:3;}
  .timeline-intro{margin-bottom:28px;font-size:14.5px;}
  .featured-text{padding:26px 20px 30px;}
  .featured-text h2{font-size:22px;}
  .featured-actions{gap:14px;}
  .faq-wrap .accordion-title{padding:16px 48px 16px 18px;font-size:16px;}
  .faq-wrap .accordion-content{padding:0 18px 18px 18px;}
  .cta-strip{padding:26px 20px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:480px){
  .page-head h1{font-size:25px;}
  .brand-text{font-size:14px;}
  .brand-mark{width:28px;height:28px;}
  .featured-media{min-height:190px;}
  .timeline-thumb{max-width:100%;height:140px;}
  .btn{width:100%;}
  .featured-actions .btn-text{width:auto;}
  .load-more-wrap .btn{width:100%;}
}