/* roulang page: index */
:root{
  --ink:#10393D;
  --ink-2:#174E4C;
  --brand:#FF6B3D;
  --brand-2:#FFC24B;
  --teal:#1C6B67;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --soft:#FFF4EC;
  --line:#ECE2D7;
  --text:#22302E;
  --muted:#64726F;
  --radius-card:20px;
  --radius-lg:28px;
  --radius-sm:14px;
  --shadow-card:0 1px 2px rgba(16,57,61,.05), 0 12px 32px -12px rgba(16,57,61,.14);
  --shadow-hover:0 2px 4px rgba(16,57,61,.06), 0 24px 48px -16px rgba(16,57,61,.22);
  --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,241,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(255,107,61,.28);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;font-size:18px;font-weight:800;color:var(--ink);white-space:nowrap;line-height:1.2}
.brand-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0;line-height:1.4}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;
  font-size:15px;font-weight:500;color:#2C3A38;padding:0 12px;border-radius:999px;
  transition:background .18s ease-out,color .18s ease-out;white-space:nowrap;
}
.nav-link:hover{background:#FFEDE3;color:var(--ink)}
.nav-link.active{background:#FFEDE3;color:var(--ink)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:220px;height:40px;padding:0 10px 0 12px;
  background:#fff;border:1px solid #E6DCD1;border-radius:12px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cmd-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
.cmd-search svg{flex-shrink:0;color:#9AA6A3}
.cmd-search input{border:0;outline:none;background:transparent;width:100%;font-size:13px;color:var(--text)}
.cmd-search input::placeholder{color:#A6B0AD}
.cmd-kbd{
  flex-shrink:0;background:#F1EAE2;border-radius:6px;font-size:11px;color:#8A9693;
  padding:2px 6px;line-height:1.4;
}
.nav-login{font-size:14px;color:#2C3A38;padding:8px 4px;transition:color .18s ease-out;white-space:nowrap}
.nav-login:hover{color:var(--brand)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,filter .18s ease-out,border-color .18s ease-out}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary{
  height:40px;padding:0 20px;font-size:14px;color:#fff;background:var(--grad);
  box-shadow:0 6px 18px rgba(255,107,61,.28);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 24px rgba(255,107,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-lg{height:48px;padding:0 26px;font-size:15px}
.btn-secondary{
  height:48px;padding:0 26px;font-size:15px;color:var(--ink);background:#fff;
  border:1px solid #E2D6C9;
}
.btn-secondary:hover{background:var(--soft);border-color:#FFC9AE;transform:translateY(-1px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}
.btn-text svg{transition:transform .18s ease-out}
.btn-text:hover svg{transform:translateX(3px)}
.btn-text:hover{color:var(--brand)}
.mobile-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;place-items:center;margin-left:auto;flex-shrink:0;
}
.mobile-toggle svg{color:var(--ink)}
.mobile-panel{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:49;
  background:var(--bg);padding:20px 24px 32px;overflow-y:auto;
  display:flex;flex-direction:column;gap:4px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .22s ease-out,transform .22s ease-out;
}
.mobile-panel.open{transform:translateY(0);opacity:1;pointer-events:auto}
.mobile-panel .m-link{
  font-size:18px;font-weight:600;color:var(--ink);padding:14px 8px;border-bottom:1px solid var(--line);
}
.mobile-panel .m-link.active{color:var(--brand)}
.mobile-panel .m-cta{margin-top:20px;height:48px;font-size:15px;width:100%}
@media (max-width:1023px){
  .nav-main,.cmd-search,.nav-login,.nav-cta{display:none}
  .mobile-toggle{display:grid}
  .nav-right{margin-left:auto}
}
@media (max-width:420px){
  .brand-sub{display:none}
}

/* ---------- generic sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px}
.sec-title{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(24px,2.8vw,36px);font-weight:700;line-height:1.25;color:var(--ink);
}
.sec-title::before{content:"";width:4px;height:.9em;border-radius:2px;background:var(--grad);flex-shrink:0}
.sec-lead{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);max-width:640px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--soft);color:#C1441B;border:1px solid #FFDFCE;
}
.pill-outline{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.pill-outline:hover{background:var(--soft);border-color:#FFC9AE;color:#C1441B}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  box-shadow:0 1px 2px rgba(16,57,61,.04);
}
.stat-badge b{font-size:22px;font-weight:800;color:var(--brand);line-height:1;font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.stat-badge span{font-size:12px;color:var(--muted);line-height:1.4}
.dot-grad{width:8px;height:8px;border-radius:999px;background:var(--grad);display:inline-block;flex-shrink:0}

/* ---------- hero ---------- */
.hero{padding:48px 0 56px;position:relative;overflow:hidden}
@media (min-width:1024px){.hero{padding:72px 0 96px}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:55fr 45fr;gap:48px}}
.hero h1{
  font-size:clamp(32px,4.4vw,56px);line-height:1.18;font-weight:800;color:var(--ink);
  margin:18px 0 18px;
}
.hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:16px;line-height:1.8;color:#4A5A57;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:32px;max-width:520px}
@media (min-width:640px){.hero-badges{grid-template-columns:repeat(3,auto);justify-content:flex-start}}
.hero-media{position:relative}
.hero-media img{
  width:100%;border-radius:var(--radius-lg);border:1px solid rgba(16,57,61,.08);
  box-shadow:var(--shadow-card);object-fit:cover;aspect-ratio:16/10;
}
.hero-float{
  position:absolute;right:16px;bottom:-18px;background:#fff;border-radius:20px;
  box-shadow:var(--shadow-hover);padding:14px 20px;display:flex;align-items:center;gap:12px;
  border:1px solid var(--line);
}
.hero-float b{font-size:26px;font-weight:800;color:var(--ink);line-height:1;font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.hero-float span{font-size:12px;color:var(--muted);line-height:1.4;max-width:110px;display:block}
@media (max-width:639px){
  .hero-float{position:static;margin-top:14px;width:100%;justify-content:flex-start}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* ---------- trust strip ---------- */
.trust-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:32px 0}
@media (min-width:900px){.trust-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.trust-item b{
  display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--ink);line-height:1.1;
  font-family:Inter,ui-sans-serif,system-ui,sans-serif;
}
.trust-item b em{font-style:normal;color:var(--brand)}
.trust-item p{font-size:13px;color:var(--muted);line-height:1.6;margin-top:6px}

/* ---------- value ---------- */
.value-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.value-grid{grid-template-columns:7fr 5fr;grid-template-rows:auto auto;gap:24px}}
.value-main{
  grid-row:span 2;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.value-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.value-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.value-main-body{padding:26px 28px 30px}
.value-main h3{font-size:22px;font-weight:700;color:var(--ink);line-height:1.4}
.value-main p{font-size:15px;line-height:1.8;color:var(--muted);margin-top:10px}
.value-main ul{margin-top:18px;display:grid;gap:10px}
.value-main li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#3B4A47;line-height:1.7}
.value-main li::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--grad);margin-top:5px;flex-shrink:0}
.value-small{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:10px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.value-small:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD3BC}
.icon-block{
  width:44px;height:44px;border-radius:var(--radius-sm);background:var(--soft);
  display:grid;place-items:center;color:var(--brand);flex-shrink:0;
  transition:background .18s ease-out,color .18s ease-out;
}
.value-small h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4}
.value-small p{font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- feature cards ---------- */
.feature-group{margin-bottom:56px}
.feature-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:24px}
.group-head h3{font-size:19px;font-weight:700;color:var(--ink)}
.group-head .pill-outline{font-size:12px}
.feature-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD3BC}
.feature-card:hover .icon-block{background:var(--grad);color:#fff}
.feature-card h4{font-size:18px;font-weight:600;color:var(--ink);line-height:1.4;margin-top:18px}
.feature-card p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:8px}
.feature-card ul{margin-top:16px;display:grid;gap:8px}
.feature-card li{position:relative;padding-left:14px;font-size:13px;line-height:1.7;color:#3B4A47}
.feature-card li::before{
  content:"";position:absolute;left:0;top:7px;width:3px;height:12px;border-radius:2px;background:var(--grad);
}

/* ---------- scenes ---------- */
.scene-row{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow-card);margin-bottom:28px;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.scene-row:last-child{margin-bottom:0}
.scene-row:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
@media (min-width:900px){
  .scene-row{grid-template-columns:5fr 7fr;gap:36px;padding:24px}
  .scene-row.reverse{grid-template-columns:7fr 5fr}
  .scene-row.reverse .scene-media{order:2}
}
.scene-media{position:relative}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;border:1px solid rgba(16,57,61,.08)}
.scene-tag{
  position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);
  border-radius:999px;padding:7px 14px;font-size:12px;font-weight:600;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;box-shadow:0 6px 18px -8px rgba(16,57,61,.4);
}
.scene-body{padding:4px 6px}
.scene-body h3{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4}
.scene-body p{font-size:14px;line-height:1.8;color:var(--muted);margin-top:10px}
.scene-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.scene-tags .pill-outline{font-size:12px;padding:5px 12px}
.scene-body .btn-text{margin-top:18px;font-size:14px}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD3BC}
.news-cover{position:relative}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-cat{
  position:absolute;left:12px;top:12px;background:rgba(255,244,236,.96);color:#C1441B;
  border-radius:999px;padding:4px 12px;font-size:12px;font-weight:600;
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:13px;line-height:1.75;color:var(--muted);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);font-size:12px;color:#8A9693;
}
.news-meta .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.news-empty{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed #E2D6C9;border-radius:var(--radius-lg);padding:32px;text-align:center;
}
.news-empty .empty-art{width:88px;height:56px;position:relative}
.news-empty .empty-art i{
  position:absolute;background:#FFD9C6;border-radius:999px;display:block;
}
.news-empty .empty-art i:nth-child(1){width:10px;height:10px;left:0;top:6px}
.news-empty .empty-art i:nth-child(2){width:56px;height:6px;left:20px;top:8px;background:#F0E4D8}
.news-empty .empty-art i:nth-child(3){width:10px;height:10px;left:0;top:26px}
.news-empty .empty-art i:nth-child(4){width:44px;height:6px;left:20px;top:28px;background:#F0E4D8}
.news-empty .empty-art i:nth-child(5){width:10px;height:10px;left:0;top:46px}
.news-empty .empty-art i:nth-child(6){width:32px;height:6px;left:20px;top:48px;background:#F0E4D8}
.news-empty p{font-size:14px;color:var(--muted)}

/* ---------- cases dark ---------- */
.dark-block{
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  position:relative;color:#fff;overflow:hidden;
}
.dark-block::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
}
.dark-block .container{position:relative;z-index:1}
.dark-block .sec-title{color:#fff}
.dark-block .sec-lead{color:rgba(255,255,255,.72)}
.dark-block .btn-text{color:#fff}
.dark-block .btn-text:hover{color:var(--brand-2)}
.case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:900px){.case-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.case-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.case-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,194,75,.5)}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.94}
.case-body{padding:22px;display:flex;flex-direction:column;flex:1;gap:10px}
.case-ind{
  display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:999px;
  background:rgba(255,194,75,.18);color:#FFD79A;font-size:12px;font-weight:600;
}
.case-body h3{font-size:17px;font-weight:600;line-height:1.5;color:#fff}
.case-body p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.72)}
.case-badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);align-self:flex-start;margin-top:auto;
}
.case-badge b{font-size:18px;font-weight:800;color:#FFD79A;line-height:1;font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.case-badge span{font-size:12px;color:rgba(255,255,255,.72)}
.quote-block{
  margin-top:32px;border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.05);padding:28px 30px;
}
.quote-block p{font-size:17px;line-height:1.9;color:rgba(255,255,255,.9)}
.quote-block p::before{content:"“";color:var(--brand-2);font-size:30px;font-weight:800;line-height:0;vertical-align:-8px;margin-right:2px}
.quote-block p::after{content:"”";color:var(--brand-2);font-size:30px;font-weight:800;line-height:0;vertical-align:-8px;margin-left:2px}
.quote-author{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- pricing ---------- */
.price-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:stretch}
@media (min-width:900px){.price-grid{grid-template-columns:repeat(3,minmax(0,1fr));align-items:center}}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 26px;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;height:100%;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.price-card.hot{
  background:linear-gradient(160deg,#10393D 0%,#174E4C 100%);color:#fff;border:1px solid transparent;
  box-shadow:var(--shadow-hover);position:relative;overflow:hidden;
}
.price-card.hot::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad)}
@media (min-width:900px){.price-card.hot{transform:scale(1.03)}.price-card.hot:hover{transform:scale(1.03) translateY(-4px)}}
.price-name{font-size:18px;font-weight:700;color:var(--ink)}
.price-card.hot .price-name{color:#fff}
.price-for{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7}
.price-card.hot .price-for{color:rgba(255,255,255,.7)}
.price-amount{display:flex;align-items:flex-end;gap:6px;margin:20px 0 4px}
.price-amount b{font-size:40px;font-weight:800;line-height:1;color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,sans-serif}
.price-card.hot .price-amount b{color:#fff}
.price-amount span{font-size:13px;color:var(--muted);padding-bottom:4px}
.price-card.hot .price-amount span{color:rgba(255,255,255,.7)}
.price-list{display:grid;gap:10px;margin:20px 0 24px}
.price-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.7;color:#3B4A47}
.price-card.hot .price-list li{color:rgba(255,255,255,.85)}
.price-list svg{flex-shrink:0;margin-top:5px;color:var(--brand)}
.price-card.hot .price-list svg{color:var(--brand-2)}
.price-card .btn{width:100%;margin-top:auto}
.price-card.hot .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.price-card.hot .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  transition:background .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FFF9F3}
.faq-item[open] summary{background:#FFF9F3}
.faq-icon{
  width:26px;height:26px;border-radius:999px;border:1px solid var(--line);flex-shrink:0;
  display:grid;place-items:center;color:var(--brand);transition:transform .18s ease-out,background .18s ease-out;
  background:#fff;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--soft);border-color:#FFC9AE}
.faq-answer{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- cta ---------- */
.cta-card{
  border-radius:var(--radius-lg);padding:40px 30px;position:relative;overflow:hidden;
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);color:#fff;
}
@media (min-width:900px){.cta-card{padding:56px 56px}}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:7fr 5fr;gap:48px}}
.cta-inner h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:#fff}
.cta-inner p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.75);margin-top:14px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-card .btn-secondary{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.cta-card .btn-secondary:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6)}
.cta-side{display:grid;gap:12px}
.cta-side .stat-badge{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);box-shadow:none;justify-content:flex-start}
.cta-side .stat-badge b{color:#FFD79A}
.cta-side .stat-badge span{color:rgba(255,255,255,.72)}

/* ---------- footer ---------- */
.site-footer{background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);color:rgba(255,255,255,.72);position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
}
.site-footer .container{position:relative;z-index:1}
.footer-top{display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px}
@media (min-width:900px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-desc{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer-contact{margin-top:16px;display:grid;gap:6px;font-size:13px;color:rgba(255,255,255,.62)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:color .18s ease-out}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:var(--brand-2)}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --ink:#10393D;
  --brand:#FF6B3D;
  --brand-2:#FFC24B;
  --teal:#1C6B67;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --soft:#FFF4EC;
  --line:#ECE2D7;
  --text:#22302E;
  --muted:#64726F;
  --brand-grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-sm:14px;
  --shadow-card:0 1px 2px rgba(16,57,61,.05),0 12px 32px -12px rgba(16,57,61,.14);
  --shadow-hover:0 2px 4px rgba(16,57,61,.06),0 24px 48px -16px rgba(16,57,61,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,dl,dd,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:768px){.container{padding:0 32px}}
body.no-scroll{overflow:hidden}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,241,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;border-radius:12px}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.02em;
  box-shadow:0 6px 18px rgba(255,107,61,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-0.01em;white-space:nowrap}
.brand-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0}
.nav-main{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.nav-main{display:flex}}
.nav-link{
  position:relative;display:inline-block;font-size:15px;font-weight:500;color:#2C3A38;
  padding:8px 13px;border-radius:999px;
  transition:background .18s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.nav-link:hover,.nav-link.active{background:#FFEDE3;color:var(--ink)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:none;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 10px;
  background:#fff;border:1px solid #E6DCD1;border-radius:12px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
.command-search svg{flex:0 0 auto;color:var(--muted)}
.command-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;font-size:13px;outline:none;line-height:1.4}
.command-search input::placeholder{color:#9AA6A3}
.kbd{
  flex:0 0 auto;font-size:11px;line-height:1;color:#8A9693;background:#F1EAE2;
  border-radius:999px;padding:5px 7px;
}
@media (min-width:1200px){.command-search{display:flex}}
.login-link{display:none;font-size:14px;color:#3B4A47;padding:8px 6px;border-radius:8px}
.login-link:hover{color:var(--brand)}
@media (min-width:1024px){.login-link{display:inline-block}}
.menu-toggle{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  transition:border-color .18s ease-out,background .18s ease-out;
}
.menu-toggle:hover{border-color:#FFC9AE;background:var(--soft)}
@media (min-width:1024px){.menu-toggle{display:none}}
.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:68px;bottom:0;
  background:rgba(250,246,241,.98);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);
  padding:24px 24px 32px;z-index:49;
  transform:translateY(-8px);opacity:0;transition:transform .22s ease-out,opacity .22s ease-out;
  overflow-y:auto;
}
.mobile-panel.is-open{display:block;transform:translateY(0);opacity:1}
.mobile-panel .m-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.mobile-panel .m-nav a{
  font-size:18px;font-weight:600;color:var(--ink);padding:14px 12px;border-radius:14px;
  border-bottom:1px solid rgba(236,226,215,.8);
}
.mobile-panel .m-nav a:hover,.mobile-panel .m-nav a.active{background:var(--soft)}
.mobile-panel .m-search{display:flex;align-items:center;gap:8px;height:48px;padding:0 14px;background:#fff;border:1px solid #E6DCD1;border-radius:12px;margin-bottom:20px}
.mobile-panel .m-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px}
.mobile-panel .m-cta{display:block;width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,filter .18s ease-out;
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(255,107,61,.28)}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,107,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid #E2D6C9}
.btn-ghost:hover{background:var(--soft);border-color:#FFC9AE;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);min-height:44px}
.btn-text:hover{color:var(--brand)}
.btn-text .arrow{transition:transform .18s ease-out}
.btn-text:hover .arrow{transform:translateX(2px)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:28px 0 40px;
  background:
    radial-gradient(720px 280px at 88% -40%, rgba(255,194,75,.20), transparent 70%),
    radial-gradient(560px 240px at 6% -30%, rgba(255,107,61,.14), transparent 72%),
    var(--bg);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:40px;width:200px;height:200px;border-radius:50%;
  border:1px solid rgba(255,107,61,.18);pointer-events:none;
}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:20px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B9C4C1}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:#43524F;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:var(--soft);color:#C2440F;font-size:12px;font-weight:600;line-height:1.4;
  border:1px solid rgba(255,107,61,.18);
}
.chip-dot{width:6px;height:6px;border-radius:50%;background:var(--brand-grad)}
.article-title{
  margin:16px 0 0;
  font-size:clamp(28px,3.6vw,40px);
  line-height:1.3;font-weight:800;color:var(--ink);
  letter-spacing:0;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  margin-top:18px;font-size:14px;color:var(--muted);
}
.article-meta span,.article-meta time{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{color:#9AA6A3}
.meta-divider{width:1px;height:14px;background:var(--line)}
.hero-rule{margin-top:26px;height:1px;background:var(--line)}

/* ============ 文章主体 ============ */
.article-wrap{padding:44px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px}
}
.reading{min-width:0;max-width:760px}
.article-body{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:28px 22px;
  font-size:17px;line-height:1.9;color:var(--text);
}
@media (min-width:768px){.article-body{padding:40px 44px}}
.article-body>*+*{margin-top:1.15em}
.article-body p{margin:0 0 1.4em;font-size:17px;line-height:1.9}
.article-body h2{
  position:relative;margin:32px 0 16px;padding-left:14px;
  font-size:24px;line-height:1.4;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--brand-grad);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:26px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:20px 0 10px}
.article-body a{color:var(--teal);border-bottom:1px solid rgba(28,107,103,.28);transition:color .18s ease-out,border-color .18s ease-out}
.article-body a:hover{color:var(--brand);border-color:rgba(255,107,61,.5)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:2px}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:8px;height:8px;border-radius:50%;background:var(--brand-grad);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li;padding-left:28px}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;
  width:20px;height:20px;border-radius:8px;background:var(--soft);color:#C2440F;
  font-size:12px;font-weight:700;display:grid;place-items:center;line-height:1;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--soft);border-left:3px solid;border-image:var(--brand-grad) 1;
  border-radius:12px;color:#3B4A47;font-size:16px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:12px 0;border:1px solid rgba(16,57,61,.08);width:100%;height:auto}
.article-body figure{margin:20px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:6px}
.article-body table{
  display:block;width:100%;overflow-x:auto;
  border-collapse:collapse;background:#FCFAF7;
  border:1px solid var(--line);border-radius:12px;
  font-size:15px;margin:20px 0;
}
.article-body table th,.article-body table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body table th{background:#FFF4EC;color:var(--ink);font-weight:600}
.article-body table tr:last-child td{border-bottom:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:28px 0}

/* 空态 */
.empty-state{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);padding:56px 24px;text-align:center;
}
.empty-graphic{width:120px;height:80px;margin:0 auto 20px;position:relative}
.empty-graphic span{position:absolute;background:#F1EAE2;border-radius:8px}
.empty-graphic span:nth-child(1){left:0;top:8px;width:120px;height:10px}
.empty-graphic span:nth-child(2){left:0;top:30px;width:88px;height:10px}
.empty-graphic span:nth-child(3){left:0;top:52px;width:64px;height:10px}
.empty-graphic::after{content:"";position:absolute;right:6px;bottom:0;width:24px;height:24px;border-radius:50%;background:var(--brand-grad);opacity:.85}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink);margin-bottom:8px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* 标签、返回、翻页 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:#3B4A47;font-size:13px;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.tag:hover{background:var(--soft);border-color:#FFC9AE;color:#C2440F}
.back-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.pager{
  display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px;
}
@media (min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.pager a:hover{border-color:#FFC9AE;box-shadow:var(--shadow-card);transform:translateY(-2px)}
.pager .pager-label{font-size:12px;color:var(--muted);letter-spacing:.02em}
.pager .pager-title{font-size:15px;font-weight:600;color:var(--ink);margin-top:6px;line-height:1.5}
.pager .ta-r{text-align:right}

/* 相关推荐 */
.relate{margin-top:52px}
.relate-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.relate-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;color:var(--ink);line-height:1.3}
.relate-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.relate-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.relate-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3DCCB}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#F1EAE2}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-cat{
  position:absolute;left:12px;top:12px;padding:5px 11px;border-radius:999px;
  background:rgba(255,244,236,.94);color:#C2440F;font-size:12px;font-weight:600;line-height:1.4;
  border:1px solid rgba(255,107,61,.2);
}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.post-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5}
.post-desc{font-size:14px;color:var(--muted);line-height:1.7;flex:1 1 auto}
.post-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}
.post-foot .arrow{color:var(--brand)}

/* 右侧栏 */
.article-side{min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:96px;align-self:start}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px;
}
.side-card+.side-card{margin-top:20px}
.side-title{display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.toc-toggle{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--muted);font-weight:500}
@media (min-width:1024px){.toc-toggle{display:none}}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-link{
  position:relative;display:block;font-size:14px;line-height:1.6;color:#3B4A47;
  padding:7px 10px 7px 14px;border-radius:8px;
  transition:background .18s ease-out,color .18s ease-out;
}
.toc-link::before{
  content:"";position:absolute;left:2px;top:50%;transform:translateY(-50%);
  width:2px;height:0;border-radius:2px;background:var(--brand-grad);transition:height .18s ease-out;
}
.toc-link:hover{background:var(--soft);color:var(--ink)}
.toc-link.is-sub{padding-left:26px;font-size:13px;color:var(--muted)}
.toc-link.is-active{color:var(--brand);font-weight:600;background:var(--soft)}
.toc-link.is-active::before{height:18px}
.toc-empty{font-size:13px;color:var(--muted)}
.cta-card{
  border-radius:var(--radius-card);padding:22px;
  background:linear-gradient(#FFFDFB,#FFF6EE);
  border:1px solid rgba(255,107,61,.28);
  box-shadow:0 18px 40px -22px rgba(255,107,61,.5);
}
.cta-card .cta-kicker{font-size:12px;font-weight:700;color:#C2440F;letter-spacing:.04em}
.cta-card h3{font-size:18px;font-weight:700;color:var(--ink);line-height:1.45;margin:8px 0 8px}
.cta-card p{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.cta-card .btn{width:100%}
@media (max-width:1023px){
  .toc-list{max-height:none;overflow:visible}
  .toc-card.is-collapsed .toc-list{display:none}
  .article-side{margin-top:8px}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
}
.footer-top{position:relative;display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{box-shadow:none;width:38px;height:38px;border-radius:12px;font-size:17px}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.footer-contact{margin-top:16px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:rgba(255,255,255,.58)}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.01em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease-out}
.footer-col a:hover{color:#FFC24B}
.footer-bottom{
  position:relative;margin-top:40px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category1 */
:root{
    --ink:#10393D;
    --ink-2:#174E4C;
    --brand:#FF6B3D;
    --brand-2:#FFC24B;
    --teal:#1C6B67;
    --bg:#FAF6F1;
    --card:#FFFFFF;
    --soft:#FFF4EC;
    --line:#ECE2D7;
    --text:#22302E;
    --muted:#64726F;
    --radius-sm:14px;
    --radius-card:20px;
    --radius-lg:28px;
    --shadow-card:0 1px 2px rgba(16,57,61,.05), 0 12px 32px -12px rgba(16,57,61,.14);
    --shadow-hover:0 2px 4px rgba(16,57,61,.06), 0 24px 48px -16px rgba(16,57,61,.22);
    --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
    --ease:180ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  .page{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .page img{display:block;max-width:100%;height:auto}
  .page a{color:inherit;text-decoration:none}
  .page button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  .page input,.page textarea{font:inherit;color:inherit}
  .page ul,.page ol{margin:0;padding:0;list-style:none}
  .page h1,.page h2,.page h3,.page h4,.page p{margin:0}
  .num{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (min-width:768px){.container{padding:0 32px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;height:68px;
    background:rgba(250,246,241,.88);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18)}
  .header-inner{height:68px;display:flex;align-items:center;gap:20px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:40px;height:40px;flex:0 0 40px;border-radius:12px;
    background:var(--grad);color:#fff;font-weight:800;font-size:18px;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 18px -8px rgba(255,107,61,.65);
  }
  .brand-text{
    display:flex;flex-direction:column;line-height:1.15;
    font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
  }
  .brand-sub{font-size:11px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:2px}
  .nav-main{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
  .nav-link{
    position:relative;padding:8px 14px;border-radius:999px;
    font-size:16px;font-weight:500;color:#2C3A38;white-space:nowrap;
    transition:background var(--ease),color var(--ease);
  }
  .nav-link:hover{background:#FFEDE3;color:var(--ink)}
  .nav-link.active{background:#FFEDE3;color:var(--ink);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);
  }
  .header-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
  .command-search{
    position:relative;width:240px;height:40px;
  }
  .command-search svg{
    position:absolute;left:12px;top:50%;transform:translateY(-50%);
    width:16px;height:16px;color:var(--muted);pointer-events:none;
  }
  .command-search input{
    width:100%;height:40px;border-radius:12px;border:1px solid #E6DCD1;background:#fff;
    padding:0 58px 0 36px;font-size:14px;color:var(--text);outline:none;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .command-search input::placeholder{color:#9AA6A3}
  .command-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
  .kbd{
    position:absolute;right:8px;top:50%;transform:translateY(-50%);
    background:#F1EAE2;color:#7C8885;font-size:11px;line-height:1;
    padding:5px 7px;border-radius:999px;pointer-events:none;
  }
  .login-link{font-size:14px;color:var(--ink);white-space:nowrap;transition:color var(--ease)}
  .login-link:hover{color:var(--brand)}
  .nav-toggle{
    display:none;width:40px;height:40px;flex:0 0 40px;border-radius:12px;
    border:1px solid var(--line);background:#fff;color:var(--ink);
    align-items:center;justify-content:center;
  }
  .nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
  }
  .btn-sm{height:40px;padding:0 20px;font-size:14px}
  .btn-primary{
    background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(255,107,61,.28);
  }
  .btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,61,.34)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{
    background:#fff;color:var(--ink);border:1px solid #E2D6C9;box-shadow:none;
  }
  .btn-ghost:hover{background:var(--soft);border-color:#FFC9AE;transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
  .btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
  .btn-link{
    display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);
    transition:color var(--ease);
  }
  .btn-link svg{width:16px;height:16px;transition:transform var(--ease)}
  .btn-link:hover{color:var(--brand)}
  .btn-link:hover svg{transform:translateX(2px)}

  /* 移动端面板 */
  .mobile-panel{
    position:fixed;left:0;right:0;top:68px;bottom:0;z-index:49;
    background:var(--bg);padding:20px 24px 32px;
    display:none;flex-direction:column;gap:6px;overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .mobile-panel.open{display:flex;animation:panelDown 220ms ease-out}
  @keyframes panelDown{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
  .mobile-panel .nav-link{font-size:18px;padding:12px 14px;border-radius:14px}
  .mobile-panel .nav-link.active::after{display:none}
  .mobile-panel .m-actions{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:12px}
  .mobile-panel .m-actions .btn{width:100%}
  @media (prefers-reduced-motion:reduce){
    .mobile-panel.open{animation:none}
    .btn,.nav-link,.btn-link svg{transition:none}
  }

  /* ---------- 面包屑 ---------- */
  .crumb-wrap{padding:20px 0 0}
  .crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);flex-wrap:wrap}
  .crumb a{color:var(--muted);transition:color var(--ease)}
  .crumb a:hover{color:var(--brand)}
  .crumb .sep{color:#C3B9AE}
  .crumb .current{color:var(--ink);font-weight:600}

  /* ---------- 页面头 ---------- */
  .page-hero{position:relative;padding:32px 0 8px;overflow:hidden}
  .page-hero::before{
    content:"";position:absolute;inset:-40px 0 auto 0;height:320px;
    background:
      radial-gradient(circle at 88% 12%, rgba(255,194,75,.18), transparent 58%),
      radial-gradient(circle at 6% 0%, rgba(255,107,61,.12), transparent 52%);
    pointer-events:none;
  }
  .page-hero .container{position:relative}
  .tag-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
    font-size:13px;color:var(--muted);
  }
  .tag-pill .dot{width:8px;height:8px;border-radius:50%;background:var(--grad)}
  .page-h1{
    margin-top:18px;
    font-size:clamp(30px,4.2vw,44px);line-height:1.22;font-weight:800;color:var(--ink);
    max-width:900px;
  }
  .page-h1 .hl{
    background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .page-lead{
    margin-top:18px;max-width:760px;font-size:17px;line-height:1.85;color:var(--muted);
  }
  .page-hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

  /* ---------- 通用区块 ---------- */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
  .section-head .h2{
    position:relative;font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:700;color:var(--ink);
    padding-left:16px;
  }
  .section-head .h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
  }
  .section-sub{margin-top:14px;max-width:720px;font-size:15px;line-height:1.8;color:var(--muted)}

  /* ---------- 功能卡 ---------- */
  .feature-grid{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:768px){.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
  .feature-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:28px;box-shadow:var(--shadow-card);
    display:flex;flex-direction:column;gap:16px;
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#F3D9C6}
  .icon-block{
    width:44px;height:44px;border-radius:var(--radius-sm);background:var(--soft);color:var(--brand);
    display:flex;align-items:center;justify-content:center;
    transition:background var(--ease),color var(--ease),transform var(--ease);
  }
  .icon-block svg{width:22px;height:22px}
  .feature-card:hover .icon-block{background:var(--grad);color:#fff}
  .feature-card h3{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink)}
  .feature-card .card-desc{font-size:15px;line-height:1.8;color:var(--muted)}
  .point-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
  .point-list li{
    position:relative;padding-left:14px;font-size:14px;line-height:1.7;color:var(--text);
  }
  .point-list li::before{
    content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;border-radius:2px;background:#FFD9C6;
  }

  /* ---------- 能力对比条 ---------- */
  .cap-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px 26px;box-shadow:var(--shadow-card);
    display:flex;flex-wrap:wrap;align-items:center;gap:12px 10px;
  }
  .cap-title{
    font-size:14px;font-weight:600;color:var(--ink);margin-right:8px;
    display:inline-flex;align-items:center;gap:8px;
  }
  .cap-title .dot{width:8px;height:8px;border-radius:50%;background:var(--grad)}
  .cap-chip{
    display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
    background:var(--soft);color:#B9481F;font-size:13px;border:1px solid #FFE2D2;
    transition:background var(--ease),color var(--ease),border-color var(--ease);
  }
  .cap-chip:hover{background:var(--grad);color:#fff;border-color:transparent}
  .cap-sep{color:#D8CEC3;font-size:12px}

  /* ---------- 图文块 ---------- */
  .split{
    display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:24px;box-shadow:var(--shadow-card);
  }
  @media (min-width:1024px){
    .split{grid-template-columns:6fr 5fr;gap:48px;padding:32px}
  }
  .split-media{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(16,57,61,.08)}
  .split-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
  .split-media::after{
    content:"";position:absolute;inset:0;background:rgba(16,57,61,.08);pointer-events:none;
  }
  .split-badge{
    position:absolute;left:16px;bottom:16px;z-index:2;
    display:inline-flex;align-items:center;gap:10px;
    background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:999px;
    padding:10px 16px;box-shadow:var(--shadow-card);
  }
  .split-badge .n{font-size:20px;font-weight:800;color:var(--brand);line-height:1}
  .split-badge .t{font-size:12px;color:var(--muted);line-height:1.3}
  .split-body h3{font-size:clamp(20px,2.2vw,24px);line-height:1.35;font-weight:700;color:var(--ink)}
  .split-body p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--muted)}
  .split-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}

  /* 数据徽章 */
  .stat-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  }
  .stat-badge .n{font-size:20px;font-weight:800;color:var(--brand);line-height:1}
  .stat-badge .t{font-size:12px;color:var(--muted);line-height:1.3}

  /* ---------- 流程 ---------- */
  .step-grid{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:640px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
  .step-card{
    position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:26px;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease);
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
  .step-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:12px;background:var(--soft);color:var(--brand);
    font-size:16px;font-weight:800;
  }
  .step-card h3{margin-top:16px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.4}
  .step-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted)}

  /* ---------- FAQ ---------- */
  .faq-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-card);overflow:hidden;
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
    padding:22px 26px;font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
    transition:background var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{background:#FFFBF6}
  .faq-item[open] summary{background:#FFF9F3}
  .faq-icon{
    position:relative;flex:0 0 22px;width:22px;height:22px;transition:transform var(--ease);
  }
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
    transform:translate(-50%,-50%);
  }
  .faq-icon::before{width:14px;height:2px}
  .faq-icon::after{width:2px;height:14px}
  .faq-item[open] .faq-icon{transform:rotate(45deg)}
  .faq-body{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--muted)}
  .faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;overflow:hidden;border-radius:var(--radius-lg);
    background:linear-gradient(120deg,#10393D 0%,#174E4C 100%);
    padding:44px 28px;
    display:grid;grid-template-columns:1fr;gap:28px;align-items:center;
  }
  @media (min-width:1024px){.cta-card{padding:56px 48px;grid-template-columns:1.4fr 1fr}}
  .cta-card::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      repeating-linear-gradient(to right,rgba(255,255,255,.04) 0 1px,transparent 1px 64px),
      repeating-linear-gradient(to bottom,rgba(255,255,255,.04) 0 1px,transparent 1px 64px);
  }
  .cta-card > *{position:relative;z-index:2}
  .cta-card h2{font-size:clamp(24px,2.8vw,34px);line-height:1.3;font-weight:700;color:#fff}
  .cta-card p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px}
  .cta-actions{display:flex;flex-direction:column;gap:14px}
  .cta-actions .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.28)}
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
  .cta-note{font-size:13px;color:rgba(255,255,255,.55);text-align:center}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;overflow:hidden;
    background:linear-gradient(120deg,#10393D 0%,#174E4C 100%);
    color:rgba(255,255,255,.72);
    margin-top:64px;
  }
  .site-footer::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      repeating-linear-gradient(to right,rgba(255,255,255,.04) 0 1px,transparent 1px 64px),
      repeating-linear-gradient(to bottom,rgba(255,255,255,.04) 0 1px,transparent 1px 64px);
  }
  .site-footer .container{position:relative;z-index:2}
  .footer-top{
    display:grid;grid-template-columns:1fr;gap:36px;padding:56px 0 40px;
  }
  @media (min-width:768px){.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:32px}}
  @media (min-width:1024px){.footer-top{grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}}
  .footer-brand{display:flex;align-items:center;gap:10px}
  .site-footer .brand-mark{
    background:rgba(255,255,255,.12);box-shadow:none;color:#fff;
  }
  .site-footer .brand-text{color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em}
  .site-footer .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .site-footer .brand-sub{font-size:11px;font-weight:400;color:rgba(255,255,255,.6);margin-top:2px}
  .footer-desc{margin-top:18px;max-width:340px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
  .footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:6px;font-size:13px;color:rgba(255,255,255,.55)}
  .footer-col h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 14px}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--ease)}
  .footer-col a:hover{color:#fff}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.12);
    padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
    font-size:13px;color:rgba(255,255,255,.55);
  }

  @media (max-width:1023px){
    .nav-main,.command-search,.login-link{display:none}
    .nav-toggle{display:flex}
    .header-tools{margin-left:auto}
  }
  @media (max-width:639px){
    .brand-sub{display:none}
    .header-tools .btn-primary{display:none}
    .page-hero{padding-top:20px}
    .section{padding:56px 0}
    .feature-card,.step-card{padding:22px}
    .faq-item summary{padding:18px 20px;font-size:16px}
    .faq-body{padding:0 20px 20px}
    .split{padding:18px}
    .cta-card{padding:36px 22px}
  }

/* roulang page: category2 */
:root{
    --ink:#10393D;
    --brand:#FF6B3D;
    --brand-2:#FFC24B;
    --teal:#1C6B67;
    --bg:#FAF6F1;
    --card:#FFFFFF;
    --soft:#FFF4EC;
    --line:#ECE2D7;
    --text:#22302E;
    --muted:#64726F;
    --radius-card:20px;
    --radius-big:28px;
    --radius-pill:999px;
    --shadow-card:0 1px 2px rgba(16,57,61,.05), 0 12px 32px -12px rgba(16,57,61,.14);
    --shadow-hover:0 2px 4px rgba(16,57,61,.06), 0 24px 48px -16px rgba(16,57,61,.22);
    --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
  }

  *,*::before,*::after{box-sizing:border-box;}

  .site-body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  .site-body img{display:block;max-width:100%;height:auto;}
  .site-body a{color:inherit;text-decoration:none;}
  .site-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
  .site-body ul,.site-body ol{list-style:none;margin:0;padding:0;}

  .container{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 24px;
  }
  @media (min-width:768px){
    .container{padding:0 32px;}
  }

  /* ===== 头部导航 ===== */
  .site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(250,246,241,.88);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow .18s ease-out;
  }
  .site-header.is-scrolled{
    box-shadow:0 6px 24px -12px rgba(16,57,61,.18);
  }
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:68px;
  }
  .brand{display:flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:40px;height:40px;border-radius:12px;
    background:var(--grad);
    color:#fff;font-weight:800;font-size:18px;
    display:grid;place-items:center;
    flex:none;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{
    font-size:18px;font-weight:800;color:var(--ink);
    letter-spacing:-0.01em;white-space:nowrap;
  }
  .brand-sub{font-size:11px;font-weight:500;color:var(--muted);white-space:nowrap;}

  .nav-main{display:flex;align-items:center;gap:2px;}
  .nav-link{
    position:relative;
    display:inline-block;
    padding:8px 14px;
    border-radius:var(--radius-pill);
    font-size:16px;
    font-weight:500;
    color:#2C3A38;
    white-space:nowrap;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .nav-link:hover{background:#FFEDE3;}
  .nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .nav-link.active{background:#FFEDE3;color:var(--ink);font-weight:600;}
  .nav-link.active::after{
    content:"";
    position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,#FF6B3D,#FFC24B);
  }

  .header-right{display:flex;align-items:center;gap:10px;flex:none;}
  .cmd-search{
    display:flex;align-items:center;gap:8px;
    width:240px;height:40px;
    padding:0 10px 0 13px;
    background:#fff;
    border:1px solid #E6DCD1;
    border-radius:12px;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .cmd-search:focus-within{
    border-color:var(--brand);
    box-shadow:0 0 0 3px rgba(255,107,61,.15);
  }
  .cmd-search svg{width:16px;height:16px;flex:none;color:#9AA6A3;}
  .cmd-search input{
    flex:1;min-width:0;border:0;background:transparent;outline:none;
    font-size:13px;color:var(--text);
    font-family:inherit;
  }
  .cmd-search input::placeholder{color:#98A5A2;}
  .cmd-kbd{
    flex:none;font-size:11px;color:#8C9A97;background:#F1EAE2;
    border-radius:var(--radius-pill);padding:2px 8px;white-space:nowrap;
  }
  .login-link{
    font-size:14px;font-weight:500;color:#2C3A38;
    padding:10px 6px;border-radius:8px;
    transition:color .18s ease-out;
  }
  .login-link:hover{color:var(--brand);}
  .login-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-pill);
    font-weight:600;
    text-align:center;
    transition:transform .18s ease-out,box-shadow .18s ease-out,filter .18s ease-out,background .18s ease-out,border-color .18s ease-out;
  }
  .btn-primary{
    background:var(--grad);
    color:#fff;
    font-size:15px;
    height:48px;
    padding:0 26px;
    box-shadow:0 6px 18px rgba(255,107,61,.28);
  }
  .btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,107,61,.32);}
  .btn-primary:active{transform:translateY(0);}
  .btn-primary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-ghost{
    background:#fff;
    border:1px solid #E2D6C9;
    color:var(--ink);
    font-size:15px;
    height:48px;
    padding:0 24px;
  }
  .btn-ghost:hover{background:var(--soft);border-color:#FFC9AE;transform:translateY(-1px);}
  .btn-ghost:active{transform:translateY(0);}
  .btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .btn-sm{height:40px;padding:0 18px;font-size:14px;}

  .menu-toggle{
    display:none;
    width:40px;height:40px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    align-items:center;justify-content:center;
    color:var(--ink);
    flex:none;
  }
  .menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .menu-toggle svg{width:20px;height:20px;}

  .mobile-panel{
    position:fixed;
    top:68px;left:0;right:0;
    z-index:49;
    background:#FAF6F1;
    border-bottom:1px solid var(--line);
    padding:18px 24px 28px;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
    opacity:0;
    transform:translateY(-10px);
    pointer-events:none;
    transition:opacity .22s ease-out,transform .22s ease-out;
  }
  .mobile-panel.open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .mobile-panel .m-link{
    display:block;
    padding:14px 12px;
    font-size:18px;
    font-weight:600;
    color:var(--ink);
    border-radius:14px;
  }
  .mobile-panel .m-link.active{background:#FFEDE3;}
  .mobile-panel .m-link:hover{background:var(--soft);}
  .mobile-panel .btn{width:100%;margin-top:12px;}

  @media (max-width:1023px){
    .nav-main{display:none;}
    .cmd-search{display:none;}
    .login-link{display:none;}
    .header-cta{display:none;}
    .menu-toggle{display:inline-flex;}
    .brand-sub{display:none;}
  }

  /* ===== 页面 Hero ===== */
  .page-hero{
    position:relative;
    overflow:hidden;
    padding:36px 0 56px;
    border-bottom:1px solid var(--line);
  }
  .page-hero-bg{
    position:absolute;inset:0;
    background-image:
      linear-gradient(180deg,rgba(250,246,241,.90) 0%,rgba(250,246,241,.96) 60%,rgba(250,246,241,1) 100%),
      url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center;
  }
  .page-hero-inner{position:relative;z-index:1;}

  .breadcrumb{margin-bottom:22px;}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
  .breadcrumb a{color:var(--muted);transition:color .18s ease-out;}
  .breadcrumb a:hover{color:var(--brand);}
  .breadcrumb .sep{color:#B9C4C1;}
  .breadcrumb li[aria-current="page"]{color:var(--ink);font-weight:600;}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    font-size:13px;
    font-weight:600;
    color:var(--ink);
    margin-bottom:18px;
  }
  .eyebrow .dot{
    width:8px;height:8px;border-radius:50%;
    background:var(--grad);
    flex:none;
  }

  .page-title{
    margin:0 0 18px;
    font-size:clamp(32px,4.4vw,46px);
    line-height:1.2;
    font-weight:800;
    color:var(--ink);
    letter-spacing:0;
    max-width:860px;
  }
  .page-lead{
    margin:0 0 26px;
    max-width:720px;
    font-size:16px;
    line-height:1.8;
    color:var(--muted);
  }

  .stat-strip{display:flex;flex-wrap:wrap;gap:12px;}
  .stat{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    box-shadow:0 1px 2px rgba(16,57,61,.04);
  }
  .stat-num{font-size:20px;font-weight:800;color:var(--brand);line-height:1;}
  .stat-label{font-size:12px;color:var(--muted);line-height:1.4;}

  /* ===== 通用区块 ===== */
  .section{padding:64px 0;}
  @media (min-width:1024px){.section{padding:80px 0;}}
  .section-tight{padding:48px 0;}
  @media (min-width:1024px){.section-tight{padding:56px 0;}}

  .section-head{margin-bottom:32px;}
  .section-title{
    margin:0 0 10px;
    font-size:clamp(24px,2.8vw,34px);
    line-height:1.25;
    font-weight:700;
    color:var(--ink);
  }
  .section-desc{
    margin:0;
    max-width:680px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }

  /* ===== 方案切换 ===== */
  .solution-layout{
    display:grid;
    grid-template-columns:280px minmax(0,1fr);
    gap:32px;
    align-items:start;
  }
  .solution-tabs{display:flex;flex-direction:column;gap:12px;}
  .tab-pill{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    width:100%;
    padding:15px 20px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
    font-size:15px;
    font-weight:600;
    color:var(--ink);
    text-align:left;
    transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
  }
  .tab-pill:hover{background:var(--soft);border-color:#FFC9AE;transform:translateY(-1px);}
  .tab-pill:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  .tab-pill .tab-index{
    font-size:12px;font-weight:700;color:#9AA6A3;
    background:#F4EEE7;border-radius:var(--radius-pill);
    padding:2px 9px;flex:none;
  }
  .tab-pill.active{
    background:var(--grad);
    color:#fff;
    border-color:transparent;
    box-shadow:0 10px 24px -10px rgba(255,107,61,.55);
  }
  .tab-pill.active .tab-index{background:rgba(255,255,255,.24);color:#fff;}

  .solution-card{
    display:none;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-big);
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .solution-card.active{display:grid;grid-template-columns:1.15fr 1fr;}
  .solution-media{position:relative;min-height:340px;background:#F1EAE2;}
  .solution-media img{
    position:absolute;inset:0;
    width:100%;height:100%;
    object-fit:cover;
  }
  .solution-media::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(16,57,61,.06),rgba(16,57,61,.30));
  }
  .media-badges{
    position:absolute;left:20px;bottom:20px;right:20px;
    display:flex;flex-wrap:wrap;gap:10px;
    z-index:2;
  }
  .media-badges .stat{
    background:rgba(255,255,255,.94);
    border-color:rgba(255,255,255,.6);
    box-shadow:0 8px 20px -10px rgba(16,57,61,.5);
  }
  .solution-body{padding:32px;display:flex;flex-direction:column;}
  .solution-body h3{
    margin:0 0 12px;
    font-size:21px;
    line-height:1.4;
    font-weight:600;
    color:var(--ink);
  }
  .solution-body p{
    margin:0 0 18px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }
  .point-list{display:flex;flex-direction:column;gap:12px;margin:0 0 22px;}
  .point-list li{
    position:relative;
    padding-left:16px;
    font-size:14px;
    line-height:1.7;
    color:var(--text);
  }
  .point-list li::before{
    content:"";
    position:absolute;left:0;top:6px;bottom:6px;
    width:3px;border-radius:3px;
    background:linear-gradient(180deg,#FF6B3D,#FFC24B);
  }
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:600;color:var(--ink);
    margin-top:auto;
    transition:color .18s ease-out;
  }
  .text-link svg{width:16px;height:16px;transition:transform .18s ease-out;}
  .text-link:hover{color:var(--brand);}
  .text-link:hover svg{transform:translateX(2px);}
  .text-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

  @media (max-width:1023px){
    .solution-layout{grid-template-columns:1fr;gap:24px;}
    .solution-tabs{
      flex-direction:row;
      overflow-x:auto;
      gap:10px;
      padding-bottom:6px;
      scrollbar-width:thin;
    }
    .tab-pill{width:auto;white-space:nowrap;flex:none;}
    .solution-card.active{grid-template-columns:1fr;}
    .solution-media{min-height:240px;}
    .solution-body{padding:24px;}
  }

  /* ===== 细长方案条 ===== */
  .strip-grid{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:24px;
    margin-top:32px;
  }
  .strip-card{
    display:flex;
    gap:18px;
    align-items:flex-start;
    padding:24px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#FFD8C2;}
  .strip-icon{
    width:44px;height:44px;flex:none;
    border-radius:14px;
    background:var(--soft);
    color:var(--brand);
    display:grid;place-items:center;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .strip-icon svg{width:22px;height:22px;}
  .strip-card:hover .strip-icon{background:var(--grad);color:#fff;}
  .strip-card h3{
    margin:0 0 6px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    line-height:1.4;
  }
  .strip-card p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
  }
  @media (max-width:767px){
    .strip-grid{grid-template-columns:1fr;gap:20px;}
  }

  /* ===== 流程 ===== */
  .flow-grid{
    display:grid;
    grid-template-columns:repeat(4,minmax(0,1fr));
    gap:24px;
  }
  .flow-card{
    position:relative;
    padding:26px 22px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-card);
    transition:transform .18s ease-out,box-shadow .18s ease-out;
  }
  .flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
  .flow-num{
    display:inline-block;
    font-size:13px;font-weight:800;
    color:var(--brand);
    background:var(--soft);
    border-radius:var(--radius-pill);
    padding:2px 12px;
    margin-bottom:14px;
  }
  .flow-card h3{
    margin:0 0 8px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    line-height:1.4;
  }
  .flow-card p{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:var(--muted);
  }
  @media (max-width:1023px){
    .flow-grid{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:639px){
    .flow-grid{grid-template-columns:1fr;gap:20px;}
  }

  /* ===== 适用说明 ===== */
  .fit-band{
    display:grid;
    grid-template-columns:1.1fr 1fr;
    gap:32px;
    align-items:center;
    padding:36px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-big);
    box-shadow:var(--shadow-card);
  }
  .fit-band h3{
    margin:0 0 10px;
    font-size:22px;
    font-weight:700;
    color:var(--ink);
    line-height:1.35;
  }
  .fit-band p{
    margin:0;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
  }
  .fit-tags{display:flex;flex-wrap:wrap;gap:10px;}
  .tag{
    display:inline-flex;align-items:center;
    padding:8px 16px;
    font-size:14px;
    color:var(--ink);
    background:var(--soft);
    border:1px solid #F4DCCB;
    border-radius:var(--radius-pill);
    transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  }
  .tag:hover{background:#FFE7DA;color:#C24A20;border-color:#FFC9AE;}
  @media (max-width:900px){
    .fit-band{grid-template-columns:1fr;padding:26px;gap:22px;}
  }

  /* ===== FAQ ===== */
  .faq-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-big);
    box-shadow:var(--shadow-card);
    overflow:hidden;
  }
  .faq-item + .faq-item{border-top:1px solid var(--line);}
  .faq-item{transition:background .18s ease-out;}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    width:100%;
    padding:22px 28px;
    font-size:17px;
    font-weight:600;
    color:var(--ink);
    text-align:left;
    line-height:1.5;
  }
  .faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-4px;}
  .faq-icon{
    width:28px;height:28px;flex:none;
    border-radius:50%;
    background:var(--soft);
    color:var(--brand);
    display:grid;place-items:center;
    transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out;
  }
  .faq-icon svg{width:14px;height:14px;}
  .faq-item.open{background:#FFF9F3;}
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff;}
  .faq-a{
    display:none;
    padding:0 28px 22px;
    font-size:15px;
    line-height:1.8;
    color:var(--muted);
    max-width:840px;
  }
  .faq-item.open .faq-a{display:block;}
  @media (max-width:639px){
    .faq-q{padding:18px 20px;font-size:16px;}
    .faq-a{padding:0 20px 18px;}
  }

  /* ===== 尾部 CTA ===== */
  .cta-card{
    position:relative;
    overflow:hidden;
    border-radius:var(--radius-big);
    background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
    color:#fff;
    padding:52px 48px;
  }
  .cta-card::after{
    content:"";
    position:absolute;inset:0;
    background-image:
      repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px),
      repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px);
    pointer-events:none;
  }
  .cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
  .cta-card h2{
    margin:0 0 10px;
    font-size:clamp(24px,2.6vw,32px);
    line-height:1.3;
    font-weight:700;
    color:#fff;
  }
  .cta-card p{
    margin:0;
    font-size:15px;
    line-height:1.8;
    color:rgba(255,255,255,.76);
    max-width:560px;
  }
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .cta-actions .btn-ghost{
    background:rgba(255,255,255,.10);
    border-color:rgba(255,255,255,.28);
    color:#fff;
  }
  .cta-actions .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5);}
  @media (max-width:767px){
    .cta-card{padding:34px 24px;}
    .cta-actions{width:100%;}
    .cta-actions .btn{width:100%;}
  }

  /* ===== 页脚 ===== */
  .site-footer{
    position:relative;
    overflow:hidden;
    background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
    color:rgba(255,255,255,.72);
    padding:56px 0 0;
    margin-top:8px;
  }
  .site-footer::before{
    content:"";
    position:absolute;inset:0;
    background-image:
      repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px),
      repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 44px);
    pointer-events:none;
  }
  .footer-top{
    position:relative;z-index:1;
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1fr;
    gap:32px;
  }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
  .footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;}
  .footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800;}
  .footer-brand .brand-sub{color:rgba(255,255,255,.58);font-size:11px;font-weight:500;}
  .footer-desc{
    margin:0;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.72);
    max-width:340px;
  }
  .footer-contact{
    display:flex;flex-direction:column;gap:6px;
    margin-top:16px;
    font-size:13px;
    color:rgba(255,255,255,.6);
  }
  .footer-col h4{
    margin:0 0 14px;
    font-size:14px;
    font-weight:600;
    color:#fff;
  }
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{
    font-size:14px;
    color:rgba(255,255,255,.72);
    transition:color .18s ease-out;
  }
  .footer-col a:hover{color:var(--brand-2);}
  .footer-col a:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;}
  .footer-bottom{
    position:relative;z-index:1;
    margin-top:44px;
    padding:20px 0;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
    font-size:13px;
    color:rgba(255,255,255,.55);
  }
  @media (max-width:1023px){
    .footer-top{grid-template-columns:1fr 1fr;}
  }
  @media (max-width:639px){
    .footer-top{grid-template-columns:1fr;gap:28px;}
    .footer-bottom{flex-direction:column;align-items:flex-start;}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.001ms !important;
      animation-iteration-count:1 !important;
      transition-duration:.001ms !important;
      scroll-behavior:auto !important;
    }
  }

/* roulang page: category3 */
:root{
  --ink:#10393D;
  --brand:#FF6B3D;
  --brand-2:#FFC24B;
  --teal:#1C6B67;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --soft:#FFF4EC;
  --line:#ECE2D7;
  --text:#22302E;
  --muted:#64726F;
  --radius-card:20px;
  --radius-lg:28px;
  --radius-sm:14px;
  --shadow-card:0 1px 2px rgba(16,57,61,.05), 0 12px 32px -12px rgba(16,57,61,.14);
  --shadow-hover:0 2px 4px rgba(16,57,61,.06), 0 24px 48px -16px rgba(16,57,61,.22);
  --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body.site-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.site-body a{color:inherit;text-decoration:none;}
body.site-body img{max-width:100%;display:block;}
body.site-body button{font-family:inherit;}
body.site-body ul{list-style:none;margin:0;padding:0;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:768px){.container{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(250,246,241,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18);}
.header-inner{display:flex;align-items:center;gap:14px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 18px rgba(255,107,61,.28);flex-shrink:0;
}
.brand-text{
  display:flex;flex-direction:column;line-height:1.12;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
}
.brand-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0;}

.nav-main{display:flex;align-items:center;gap:2px;margin:0 auto;}
.nav-link{
  position:relative;font-size:16px;font-weight:500;color:#2C3A38;
  padding:8px 14px;border-radius:999px;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:#FFEDE3;}
.nav-link.active{background:#FFEDE3;color:var(--ink);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:1px;
  width:18px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-link:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.header-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.command-search{position:relative;display:flex;align-items:center;width:240px;}
.command-search .search-icon{
  position:absolute;left:12px;width:16px;height:16px;color:#9AA6A3;pointer-events:none;
}
.command-search input{
  width:100%;height:40px;border-radius:12px;border:1px solid #E6DCD1;background:#fff;
  padding:0 52px 0 38px;font-size:14px;color:var(--text);outline:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search input::placeholder{color:#9AA6A3;}
.command-search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15);}
.command-search .kbd{
  position:absolute;right:8px;height:22px;padding:0 8px;border-radius:999px;
  background:#F1EAE2;color:#8A9693;font-size:11px;display:grid;place-items:center;
}
.login-link{
  font-size:14px;font-weight:500;color:#2C3A38;padding:8px 10px;border-radius:8px;
  transition:color .18s ease-out,background .18s ease-out;
}
.login-link:hover{color:var(--brand);background:#FFEDE3;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:600;border-radius:999px;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,
             border-color .18s ease-out,filter .18s ease-out,color .18s ease-out;
}
.btn-primary{
  height:48px;padding:0 26px;font-size:15px;color:#fff;background:var(--grad);
  box-shadow:0 6px 18px rgba(255,107,61,.28);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 10px 24px rgba(255,107,61,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-primary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-ghost{
  height:48px;padding:0 24px;font-size:15px;background:#fff;color:var(--ink);
  border:1px solid #E2D6C9;
}
.btn-ghost:hover{background:var(--soft);border-color:#FFC9AE;}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
}
.menu-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.mobile-panel{
  position:fixed;left:0;right:0;top:68px;bottom:0;z-index:49;
  background:var(--bg);padding:20px 24px 110px;overflow-y:auto;
  visibility:hidden;opacity:0;transform:translateY(-12px);
  transition:transform .22s ease-out,opacity .22s ease-out,visibility .22s;
}
.mobile-panel.open{visibility:visible;opacity:1;transform:translateY(0);}
.mobile-panel .m-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-panel .m-nav a{
  font-size:18px;font-weight:600;color:var(--ink);padding:12px 14px;border-radius:14px;
  transition:background .18s ease-out;
}
.mobile-panel .m-nav a:hover,.mobile-panel .m-nav a.active{background:#FFEDE3;}
.mobile-panel .m-cta{margin-top:20px;}
.mobile-panel .m-cta .btn{width:100%;}

@media (max-width:1023px){
  .nav-main,.command-search,.login-link{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-right{gap:8px;}
}
@media (min-width:1024px){
  .mobile-panel{display:none;}
}

/* ============ 面包屑 ============ */
.crumb{padding-top:26px;font-size:14px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--muted);transition:color .18s ease-out;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#B9C2BF;}
.crumb [aria-current="page"]{color:var(--text);font-weight:500;}

/* ============ Hero ============ */
.page-hero{padding:30px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:center;}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:56px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:var(--soft);border:1px solid #FFDCC8;color:#C2410C;font-size:13px;font-weight:600;
}
.eyebrow .dot{width:6px;height:6px;border-radius:999px;background:var(--grad);}
.page-hero h1{
  font-size:clamp(32px,4.4vw,44px);line-height:1.18;font-weight:800;color:var(--ink);
  margin:18px 0 0;letter-spacing:-.01em;max-width:15em;
}
.page-hero h1 .grad{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{font-size:17px;line-height:1.85;color:var(--muted);margin:18px 0 0;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badges{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:30px;max-width:520px;}
@media (min-width:640px){.hero-badges{display:flex;flex-wrap:wrap;}}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.badge-pill .num{font-size:20px;font-weight:800;color:var(--brand);line-height:1.2;}
.badge-pill .lbl{font-size:12px;color:var(--muted);}

.hero-media{position:relative;}
.hero-frame{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(16,57,61,.08);box-shadow:var(--shadow-card);
}
.hero-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;background:rgba(16,57,61,.08);pointer-events:none;
}
.hero-float{
  position:absolute;right:16px;bottom:16px;display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:20px;
  padding:12px 18px;box-shadow:var(--shadow-card);backdrop-filter:blur(6px);
}
.hero-float .num{font-size:24px;font-weight:800;color:var(--ink);line-height:1.1;}
.hero-float .lbl{font-size:12px;color:var(--muted);line-height:1.4;}
.deco-dots{
  position:absolute;left:-14px;top:-14px;width:96px;height:96px;pointer-events:none;
  background-image:radial-gradient(rgba(255,107,61,.35) 1.6px, transparent 1.6px);
  background-size:14px 14px;border-radius:16px;
}
@media (max-width:639px){
  .hero-float{position:static;margin-top:14px;width:100%;justify-content:flex-start;}
  .deco-dots{display:none;}
}

/* ============ 通用区块 ============ */
.section{padding:52px 0;}
@media (min-width:1024px){.section{padding:80px 0;}}
.section-alt{background:#FFFDFA;}
.section-head{max-width:760px;margin-bottom:34px;}
.section-head h2{
  position:relative;padding-left:16px;margin:0 0 12px;
  font-size:clamp(24px,2.8vw,32px);line-height:1.28;font-weight:700;color:var(--ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:var(--grad);
}
.section-head p{margin:0;font-size:15px;line-height:1.8;color:var(--muted);}

/* ============ 场景长条 ============ */
.scene-list{display:flex;flex-direction:column;gap:0;}
.scene-row{
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  padding:36px 0;border-top:1px solid var(--line);
}
.scene-row:first-child{border-top:0;padding-top:8px;}
@media (min-width:1024px){
  .scene-row{grid-template-columns:5fr 6fr;gap:56px;padding:44px 0;}
  .scene-row.reverse{grid-template-columns:6fr 5fr;}
  .scene-row.reverse .scene-media{order:2;}
  .scene-row.reverse .scene-body{order:1;}
}
.scene-media{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid rgba(16,57,61,.08);box-shadow:var(--shadow-card);
}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .18s ease-out;}
.scene-media::after{
  content:"";position:absolute;inset:0;background:rgba(16,57,61,.08);pointer-events:none;
}
.scene-row:hover .scene-media img{transform:scale(1.02);}
.overlay-badge{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:rgba(255,255,255,.9);border:1px solid var(--line);
  backdrop-filter:blur(6px);
}
.overlay-badge .num{font-size:20px;font-weight:800;color:var(--brand);line-height:1.2;}
.overlay-badge .lbl{font-size:12px;color:var(--muted);}

.scene-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink);margin:0 0 10px;}
.scene-body p{font-size:15.5px;line-height:1.85;color:#3A4A47;margin:0 0 12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 18px;}
.tag{
  font-size:13px;padding:6px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:#3A4A47;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.tag:hover{background:var(--soft);border-color:#FFC9AE;color:#C2410C;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink);
}
.link-arrow .arrow{transition:transform .18s ease-out;display:inline-block;}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover .arrow{transform:translateX(2px);}
.link-arrow:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,1fr);gap:24px;}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.step:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;background:var(--soft);
  color:#C2410C;font-size:14px;font-weight:800;margin-bottom:16px;
}
.step h3{font-size:16.5px;font-weight:600;color:var(--ink);margin:0 0 8px;line-height:1.45;}
.step p{font-size:14.5px;line-height:1.8;color:var(--muted);margin:0;}

/* ============ 场景标签云 ============ */
.cloud{display:flex;flex-wrap:wrap;gap:12px;}
.cloud-chip{
  font-size:14px;font-weight:500;padding:11px 20px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:#33423F;
  transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out,
             transform .18s ease-out,box-shadow .18s ease-out;
}
.cloud-chip:hover{
  background:var(--soft);border-color:#FFC9AE;color:#C2410C;
  transform:translateY(-2px);box-shadow:var(--shadow-card);
}
.cloud-chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ============ FAQ ============ */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:6px 26px;box-shadow:var(--shadow-card);
}
@media (min-width:768px){.faq-card{padding:8px 34px;}}
.faq-item{border-bottom:1px solid var(--line);transition:background .18s ease-out;}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--ink);
  cursor:pointer;list-style:none;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;}
.faq-plus{
  position:relative;width:22px;height:22px;flex-shrink:0;color:var(--brand);
  transition:transform .18s ease-out;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
}
.faq-plus::before{left:4px;right:4px;top:50%;height:2px;transform:translateY(-50%);}
.faq-plus::after{top:4px;bottom:4px;left:50%;width:2px;transform:translateX(-50%);}
.faq-item[open] .faq-plus{transform:rotate(45deg);}
.faq-item[open]{background:#FFF9F3;}
.faq-item p{margin:0 0 22px;font-size:15px;line-height:1.85;color:var(--muted);padding-right:32px;}

/* ============ 尾部 CTA ============ */
.cta-wrap{padding:8px 0 72px;}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  padding:48px 28px;color:#fff;
}
@media (min-width:1024px){.cta-band{padding:64px 56px;}}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;gap:48px;}}
.cta-band h2{
  font-size:clamp(23px,2.6vw,32px);line-height:1.3;font-weight:700;margin:0 0 12px;color:#fff;
}
.cta-band p{margin:0;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:1023px){.cta-actions .btn{width:100%;}}
.cta-band .btn-ghost{
  background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.28);
}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.45);}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  color:rgba(255,255,255,.72);
  padding:60px 0 28px;
}
.footer-top{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;flex-shrink:0;
}
.footer-brand .brand-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:18px;font-weight:800;color:#fff;white-space:nowrap;
}
.footer-brand .brand-sub{font-size:11px;font-weight:500;color:rgba(255,255,255,.55);}
.footer-desc{font-size:14px;line-height:1.8;max-width:350px;margin:0 0 18px;}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:rgba(255,255,255,.58);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin:0 0 14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color .18s ease-out;
}
.footer-col a:hover{color:var(--brand-2);}
.footer-col a:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --ink:#10393D;
  --ink-2:#174E4C;
  --brand:#FF6B3D;
  --brand-2:#FFC24B;
  --teal:#1C6B67;
  --bg:#FAF6F1;
  --card:#FFFFFF;
  --light:#FFF4EC;
  --line:#ECE2D7;
  --text:#22302E;
  --muted:#64726F;
  --radius-card:20px;
  --radius-big:28px;
  --radius-sm:12px;
  --shadow-card:0 1px 2px rgba(16,57,61,.05),0 12px 32px -12px rgba(16,57,61,.14);
  --shadow-hover:0 2px 4px rgba(16,57,61,.06),0 24px 48px -16px rgba(16,57,61,.22);
  --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,blockquote,figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  height:68px;
  background:rgba(250,246,241,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18)}
.header-inner{height:68px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:17px;line-height:1;
  display:grid;place-items:center;
  box-shadow:0 6px 18px -8px rgba(255,107,61,.55);
}
.brand-text{
  display:flex;flex-direction:column;justify-content:center;
  font-size:18px;font-weight:800;letter-spacing:-0.01em;line-height:1.15;
  color:var(--ink);white-space:nowrap;
}
.brand-sub{font-size:11px;font-weight:500;color:var(--muted);letter-spacing:0;line-height:1.4}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:16px;font-weight:500;line-height:1.4;
  color:#2C3A38;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link:hover{background:#FFEDE3;color:var(--ink)}
.nav-link.active{background:#FFEDE3;color:var(--ink)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 8px 0 12px;
  background:#fff;border:1px solid #E6DCD1;border-radius:12px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
.command-search svg{flex:0 0 16px;color:var(--muted)}
.command-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);font-family:inherit;
}
.command-search input::placeholder{color:#9AA6A3}
.kbd{
  flex:0 0 auto;font-size:11px;color:var(--muted);
  background:#F1EAE2;border-radius:6px;padding:2px 6px;line-height:1.4;white-space:nowrap;
}
.login-link{font-size:14px;font-weight:500;color:#2C3A38;white-space:nowrap}
.login-link:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  cursor:pointer;
}
.btn-primary{
  background:var(--grad);color:#fff;
  box-shadow:0 6px 18px rgba(255,107,61,.28);
}
.btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,61,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:#fff;border:1px solid #E2D6C9;color:var(--ink);
}
.btn-ghost:hover{background:var(--light);border-color:#FFC9AE;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid #E2D6C9;background:#fff;
  place-items:center;color:var(--ink);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);margin:3px auto;transition:transform .18s ease-out,opacity .18s ease-out}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.mobile-panel{
  display:none;position:fixed;left:0;right:0;top:68px;bottom:0;z-index:49;
  background:var(--bg);
  padding:20px 24px 96px;
  overflow-y:auto;
  transform:translateY(-8px);opacity:0;
  transition:transform .22s ease-out,opacity .22s ease-out;
}
.mobile-panel.is-open{display:block;transform:translateY(0);opacity:1}
.mobile-panel .m-link{
  display:block;padding:14px 4px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-panel .m-link.is-active{color:var(--brand)}
.mobile-panel .m-cta{
  position:fixed;left:0;right:0;bottom:0;padding:14px 24px 20px;
  background:rgba(250,246,241,.96);
  border-top:1px solid var(--line);
}
@media(max-width:1023px){
  .nav-main,.command-search,.login-link,.header-cta{display:none}
  .nav-toggle{display:grid}
  .brand-sub{display:none}
}
@media(max-width:400px){
  .brand-text{font-size:16px}
}

/* ---------- Page hero ---------- */
.page-hero{padding:28px 0 8px}
.breadcrumb{font-size:14px;color:var(--muted);margin-bottom:28px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:#B9C3C0}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current="page"]{color:var(--text)}

.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:48px}}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--light);color:#C9451C;
  font-size:13px;font-weight:600;line-height:1.5;
  border:1px solid #FFDCCB;
}
.pill::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--grad)}
.page-h1{
  margin-top:18px;
  font-size:clamp(32px,4.4vw,52px);
  line-height:1.18;font-weight:800;letter-spacing:0;
  color:var(--ink);
}
.page-h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-lead{
  margin-top:18px;
  font-size:16px;line-height:1.8;color:var(--muted);
  max-width:640px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,57,61,.04);
}
.badge-num{font-size:22px;font-weight:800;line-height:1.2;color:var(--brand);font-family:Inter,ui-sans-serif,sans-serif}
.badge-label{font-size:12px;color:var(--muted);line-height:1.4}

.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-big);
  border:1px solid rgba(16,57,61,.08);
  box-shadow:var(--shadow-card);
}
.hero-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-big);
  background:rgba(16,57,61,.08);pointer-events:none;
}
.float-card{
  position:absolute;left:16px;right:16px;bottom:-20px;
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-hover);
}
.float-card .fc-num{font-size:26px;font-weight:800;line-height:1;color:var(--ink);font-family:Inter,ui-sans-serif,sans-serif}
.float-card .fc-text{font-size:13px;line-height:1.5;color:var(--muted)}
@media(min-width:640px){
  .float-card{left:auto;right:-8px;bottom:-24px;min-width:220px}
}

/* ---------- Sections ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section-tight{padding:clamp(40px,5vw,64px) 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:0;
}
.section-head h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:999px;
  background:var(--grad);margin-bottom:16px;
}
.section-head p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--muted)}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head-row .section-head{margin-bottom:0}

/* ---------- Feature case cards ---------- */
.feature-list{display:grid;gap:28px}
.case-feature{
  display:grid;grid-template-columns:1fr;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-big);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.case-feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.case-feature-media{position:relative;overflow:hidden}
.case-feature-media img{width:100%;height:100%;min-height:240px;aspect-ratio:16/10;object-fit:cover}
.case-feature-body{padding:28px}
@media(min-width:900px){
  .case-feature{grid-template-columns:1.05fr 1fr;align-items:stretch}
  .case-feature.reverse .case-feature-media{order:2}
  .case-feature-body{padding:36px}
}
.case-feature-body h3{
  margin-top:14px;
  font-size:clamp(19px,2vw,22px);line-height:1.4;font-weight:700;color:var(--ink);
}
.case-feature-body p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted)}
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--light);color:#C9451C;
  font-size:12px;font-weight:600;line-height:1.6;
}
.stat-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.quote{
  margin-top:22px;padding:14px 18px;
  background:var(--light);
  border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#FF6B3D,#FFC24B) 1;
  border-radius:12px;
  font-size:15px;line-height:1.8;color:#4A5B58;
}
.quote footer{margin-top:6px;font-size:12px;color:var(--muted)}

/* ---------- Mini case grid ---------- */
.mini-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.mini-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.mini-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.case-mini{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.case-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);border-color:#FFDCCB}
.case-mini h3{font-size:17px;line-height:1.4;font-weight:600;color:var(--ink)}
.case-mini p{font-size:14px;line-height:1.8;color:var(--muted)}
.case-mini .mini-num{margin-top:auto;display:flex;align-items:baseline;gap:8px;padding-top:8px}
.case-mini .mini-num strong{font-size:24px;font-weight:800;line-height:1;color:var(--brand);font-family:Inter,ui-sans-serif,sans-serif}
.case-mini .mini-num span{font-size:12px;color:var(--muted)}

/* ---------- Dark band ---------- */
.dark-band{
  position:relative;overflow:hidden;
  padding:clamp(36px,5vw,56px);
  border-radius:var(--radius-big);
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  color:#fff;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
  pointer-events:none;
}
.dark-band > *{position:relative}
.dark-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:#fff}
.dark-band .band-lead{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72);max-width:720px}
.dark-quote{
  margin-top:28px;padding:22px 24px;
  background:rgba(255,255,255,.08);
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.14);
  font-size:clamp(16px,1.8vw,19px);line-height:1.8;color:#fff;
}
.dark-quote footer{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}
.dark-band .badge{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.16);
  box-shadow:none;
}
.dark-band .badge-num{color:#fff}
.dark-band .badge-label{color:rgba(255,255,255,.72)}
.dark-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- Logo wall ---------- */
.logo-wall{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;
}
@media(min-width:640px){.logo-wall{grid-template-columns:repeat(3,1fr)}}
@media(min-width:1024px){.logo-wall{grid-template-columns:repeat(4,1fr);gap:16px}}
.logo-item{
  display:flex;align-items:center;justify-content:center;
  min-height:76px;padding:16px;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;font-weight:600;color:#9AA6A3;
  filter:grayscale(1);
  transition:filter .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
  text-align:center;
}
.logo-item:hover{filter:grayscale(0);color:var(--ink);border-color:#FFDCCB;transform:translateY(-2px)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  padding:clamp(36px,5vw,64px);
  border-radius:var(--radius-big);
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  color:#fff;text-align:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px),
                   repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 32px);
  pointer-events:none;
}
.cta-card > *{position:relative}
.cta-card h2{font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700;color:#fff}
.cta-card p{margin:16px auto 0;max-width:600px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.72)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.cta-card .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.4)}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:clamp(56px,7vw,96px);
  padding-top:clamp(48px,6vw,72px);
  background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
  color:rgba(255,255,255,.72);
}
.footer-top{
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-bottom:44px;
}
@media(min-width:768px){.footer-top{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;font-size:15px;box-shadow:none}
.footer-brand .brand-text{color:#fff;font-size:17px}
.footer-brand .brand-sub{color:rgba(255,255,255,.55)}
.footer-desc{margin-top:16px;max-width:340px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:18px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.55)}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
    --ink:#10393D;
    --ink-2:#174E4C;
    --brand:#FF6B3D;
    --brand-2:#FFC24B;
    --teal:#1C6B67;
    --bg:#FAF6F1;
    --card:#FFFFFF;
    --soft:#FFF4EC;
    --soft-2:#FFF9F3;
    --line:#ECE2D7;
    --text:#22302E;
    --muted:#64726F;
    --radius-card:20px;
    --radius-lg:28px;
    --radius-sm:12px;
    --shadow-card:0 1px 2px rgba(16,57,61,.05), 0 12px 32px -12px rgba(16,57,61,.14);
    --shadow-hover:0 2px 4px rgba(16,57,61,.06), 0 24px 48px -16px rgba(16,57,61,.22);
    --grad:linear-gradient(120deg,#FF6B3D 0%,#FF9B3D 55%,#FFC24B 100%);
    --ease:180ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    background:var(--bg);
    color:var(--text);
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  input,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
  @media (min-width:768px){ .container{padding:0 32px} }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 26px;border-radius:999px;
    font-size:15px;font-weight:600;line-height:1;
    transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(255,107,61,.28)}
  .btn-primary:hover{filter:brightness(1.04);transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,107,61,.34)}
  .btn-primary:active{transform:translateY(0);box-shadow:0 6px 18px rgba(255,107,61,.28)}
  .btn-ghost{background:#fff;color:var(--ink);border:1px solid #E2D6C9}
  .btn-ghost:hover{background:var(--soft);border-color:#FFC9AE}
  .btn-sm{height:40px;padding:0 20px;font-size:14px}
  .btn-block{width:100%}
  .text-link{
    display:inline-flex;align-items:center;gap:6px;
    font-size:15px;font-weight:600;color:var(--ink);
    transition:color var(--ease);
  }
  .text-link span{transition:transform var(--ease)}
  .text-link:hover{color:var(--brand)}
  .text-link:hover span{transform:translateX(3px)}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:50;
    background:rgba(250,246,241,.88);
    -webkit-backdrop-filter:blur(12px);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    transition:box-shadow var(--ease);
  }
  .site-header.is-scrolled{box-shadow:0 6px 24px -12px rgba(16,57,61,.18)}
  .nav-inner{height:68px;display:flex;align-items:center;gap:18px}
  .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .brand-mark{
    width:40px;height:40px;border-radius:12px;background:var(--grad);
    color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:-.02em;
    box-shadow:0 6px 18px rgba(255,107,61,.28);flex-shrink:0;
  }
  .brand-text{
    display:flex;flex-direction:column;line-height:1.15;
    font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;
  }
  .brand-sub{font-size:11px;font-weight:500;color:var(--muted);margin-top:3px;letter-spacing:0}
  .nav-main{display:none;align-items:center;gap:2px;margin-left:6px}
  .nav-link{
    position:relative;white-space:nowrap;
    font-size:15px;font-weight:500;color:#2C3A38;
    padding:8px 12px;border-radius:999px;
    transition:background var(--ease),color var(--ease);
  }
  .nav-link:hover{background:#FFEDE3}
  .nav-link.active{background:#FFEDE3;color:var(--ink)}
  .nav-link.active::after{
    content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
    width:18px;height:2px;border-radius:2px;background:var(--grad);
  }
  .nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
  .nav-search{
    display:none;align-items:center;gap:8px;
    width:240px;height:40px;border-radius:12px;
    background:#fff;border:1px solid #E6DCD1;padding:0 10px 0 12px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
  .nav-search svg{flex-shrink:0;color:#9AA5A2}
  .nav-search input{width:100%;border:0;outline:none;background:transparent;font-size:13px}
  .nav-search input::placeholder{color:#9AA5A2}
  .nav-search .kbd{
    flex-shrink:0;font-size:11px;color:#8A9693;background:#F1EAE2;
    border-radius:999px;padding:2px 7px;white-space:nowrap;
  }
  .nav-login{display:none;font-size:14px;color:#2C3A38;padding:8px 4px;transition:color var(--ease)}
  .nav-login:hover{color:var(--brand)}
  .nav-burger{
    display:flex;align-items:center;justify-content:center;
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
    background:#fff;color:var(--ink);transition:background var(--ease),border-color var(--ease);
  }
  .nav-burger:hover{background:var(--soft);border-color:#FFC9AE}
  .mobile-panel{
    position:fixed;left:0;right:0;top:68px;bottom:0;z-index:49;
    background:var(--bg);padding:12px 24px 28px;
    display:flex;flex-direction:column;overflow-y:auto;
    opacity:0;transform:translateY(-12px);pointer-events:none;
    transition:opacity 220ms ease-out,transform 220ms ease-out;
  }
  .mobile-panel.open{opacity:1;transform:none;pointer-events:auto}
  .mobile-panel .m-link{
    display:flex;align-items:center;min-height:52px;
    font-size:18px;font-weight:600;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .mobile-panel .m-link.active{color:var(--brand)}
  .mobile-cta{position:sticky;bottom:0;padding:16px 0 4px;margin-top:auto;background:linear-gradient(180deg,rgba(250,246,241,0) 0%,var(--bg) 30%)}

  @media (min-width:1024px){
    .nav-main{display:flex}
    .nav-search{display:flex}
    .nav-login{display:inline-flex}
    .nav-burger{display:none}
    .mobile-panel{display:none}
  }

  /* ---------- 面包屑 ---------- */
  .crumbs{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    padding:22px 0 0;font-size:14px;color:var(--muted);
  }
  .crumbs a{transition:color var(--ease)}
  .crumbs a:hover{color:var(--brand)}
  .crumbs .sep{color:#C9BDB1}
  .crumbs [aria-current="page"]{color:var(--ink);font-weight:600}

  /* ---------- 页面头部 ---------- */
  .page-head{padding:26px 0 0}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:600;color:#B4491F;
    background:var(--soft);border:1px solid #FFDCCB;border-radius:999px;padding:6px 14px;
  }
  .eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--grad);flex-shrink:0}
  .page-title{
    font-size:clamp(30px,3.6vw,44px);line-height:1.22;font-weight:800;
    color:var(--ink);margin:18px 0 14px;letter-spacing:0;max-width:900px;
  }
  .lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:820px}

  /* ---------- 筛选胶囊 ---------- */
  .filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin:28px 0 30px}
  .filter-pill{
    display:inline-flex;align-items:center;justify-content:center;
    min-height:40px;padding:0 18px;border-radius:999px;
    background:#fff;border:1px solid var(--line);
    font-size:14px;font-weight:500;color:#3A4846;
    transition:background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  }
  .filter-pill:hover{background:var(--soft);border-color:#FFD3BD;color:#B4491F}
  .filter-pill.active{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:var(--shadow-card)}
  .filter-pill.active:hover{background:var(--ink-2);border-color:var(--ink-2);color:#fff}

  /* ---------- 主体布局 ---------- */
  .res-layout{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
  @media (min-width:1024px){ .res-layout{grid-template-columns:320px 1fr;gap:32px} }

  .side-col{display:grid;gap:24px}
  .side-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);
  }
  .side-cover{
    width:100%;aspect-ratio:4/3;object-fit:cover;
    border-radius:16px;margin-bottom:18px;
    border:1px solid rgba(16,57,61,.08);
    background:#EFE7DD;
  }
  .side-card h2{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4;margin-bottom:10px}
  .side-card p{font-size:14px;line-height:1.8;color:var(--muted)}
  .side-list{margin:16px 0 18px;display:grid;gap:10px}
  .side-list li{
    position:relative;padding-left:18px;
    font-size:14px;line-height:1.7;color:#3A4846;
  }
  .side-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:50%;background:var(--grad);
  }
  .side-stats{display:grid;gap:16px}
  .stat-row{display:flex;align-items:baseline;gap:10px}
  .stat-row strong{font-size:24px;font-weight:800;color:var(--brand);line-height:1;letter-spacing:-.01em}
  .stat-row span{font-size:12px;color:var(--muted);line-height:1.5}
  .stat-divider{height:1px;background:var(--line)}

  /* ---------- 文档列表 ---------- */
  .list-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}
  .list-head h2{font-size:20px;font-weight:700;color:var(--ink);line-height:1.4}
  .list-count{font-size:13px;color:var(--muted);white-space:nowrap}
  .doc-list{
    background:var(--card);border:1px solid var(--line);
    border-radius:24px;box-shadow:var(--shadow-card);overflow:hidden;
  }
  .doc-row{
    display:flex;align-items:flex-start;gap:14px;
    padding:22px 24px;border-bottom:1px solid var(--line);
    transition:background var(--ease);
  }
  .doc-row:last-child{border-bottom:0}
  .doc-row:hover{background:var(--soft)}
  .doc-row:hover .doc-arrow{transform:translateX(3px);color:var(--brand)}
  .doc-index{
    flex-shrink:0;width:28px;height:28px;border-radius:9px;
    background:var(--soft);color:#B4491F;
    display:grid;place-items:center;font-size:12px;font-weight:700;
    margin-top:2px;
  }
  .doc-main{flex:1;min-width:0}
  .doc-main h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);margin-bottom:6px}
  .doc-sum{
    font-size:14px;line-height:1.75;color:var(--muted);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .doc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:#8A9693}
  .doc-tag{background:#F4EEE7;border-radius:999px;padding:2px 10px;color:#6C7A77}
  .doc-arrow{flex-shrink:0;margin-top:6px;color:#C9BDB1;transition:transform var(--ease),color var(--ease)}
  .doc-empty{
    padding:44px 24px;text-align:center;
    display:none;
  }
  .doc-empty.show{display:block}
  .doc-empty p{font-size:14px;color:var(--muted);margin-bottom:16px}

  /* ---------- 通用区块 ---------- */
  .block{margin-top:64px}
  .block-head{max-width:720px;margin-bottom:26px}
  .block-head h2{
    font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:var(--ink);
    position:relative;padding-left:16px;
  }
  .block-head h2::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
    border-radius:4px;background:var(--grad);
  }
  .block-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted)}

  /* ---------- FAQ ---------- */
  .faq-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-lg);box-shadow:var(--shadow-card);overflow:hidden;
  }
  .faq-item{border-bottom:1px solid var(--line)}
  .faq-item:last-child{border-bottom:0}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;text-align:left;
    font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);
    transition:background var(--ease);
  }
  .faq-q:hover{background:#FFFDFA}
  .faq-item.open .faq-q{background:var(--soft-2)}
  .faq-icon{position:relative;width:18px;height:18px;flex-shrink:0;transition:transform var(--ease)}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--brand);border-radius:2px;
  }
  .faq-icon::before{left:0;top:8px;width:18px;height:2px}
  .faq-icon::after{left:8px;top:0;width:2px;height:18px}
  .faq-item.open .faq-icon{transform:rotate(45deg)}
  .faq-a{max-height:0;overflow:hidden;transition:max-height 220ms ease-out}
  .faq-a p{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

  /* ---------- 咨询表单 ---------- */
  .consult{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
  @media (min-width:1024px){ .consult{grid-template-columns:0.9fr 1.1fr;gap:32px} }
  .consult-intro p{font-size:15px;line-height:1.85;color:var(--muted);margin-top:14px}
  .consult-img{
    width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);
    border:1px solid rgba(16,57,61,.08);margin-top:22px;background:#EFE7DD;
  }
  .form-card{
    background:var(--card);border:1px solid var(--line);
    border-radius:24px;padding:28px;box-shadow:var(--shadow-card);
  }
  @media (max-width:520px){ .form-card{padding:22px 18px} }
  .field{margin-bottom:20px}
  .field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
  .field input,.field textarea{
    width:100%;min-height:48px;border-radius:12px;
    border:1px solid #E2D6C9;background:#fff;
    padding:12px 14px;font-size:15px;line-height:1.6;color:var(--text);
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .field input::placeholder,.field textarea::placeholder{color:#A7B1AE}
  .field textarea{min-height:120px;resize:vertical}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,61,.15)}
  .field.has-error input,.field.has-error textarea{border-color:#D14343}
  .field-error{display:none;margin-top:6px;font-size:12px;color:#D14343}
  .field.has-error .field-error{display:block}
  .form-note{margin-top:14px;font-size:13px;line-height:1.7;color:var(--muted)}
  .form-msg{margin-top:12px;font-size:14px;font-weight:600;color:var(--teal);display:none}
  .form-msg.show{display:block}

  /* ---------- 尾部 CTA ---------- */
  .cta-band{
    position:relative;overflow:hidden;margin-top:64px;
    border-radius:var(--radius-lg);padding:44px 28px;
    background:linear-gradient(135deg,#10393D 0%,#174E4C 100%);
    color:#fff;box-shadow:var(--shadow-card);
  }
  .cta-band::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px),
      repeating-linear-gradient(90deg,rgba(255,255,255,.04) 0 1px,transparent 1px 40px);
  }
  .cta-inner{position:relative;display:grid;gap:24px;align-items:center}
  @media (min-width:1024px){ .cta-inner{grid-template-columns:1.4fr 1fr;gap:32px} }
  .cta-inner h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:#fff}
  .cta-inner p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.76);max-width:520px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
  @media (min-width:1024px){ .cta-actions{justify-content:flex-end} }
  .btn-on-dark{background:#fff;color:var(--ink);box-shadow:0 10px 24px -10px rgba(0,0,0,.35)}
  .btn-on-dark:hover{background:var(--soft);transform:translateY(-1px)}
  .btn-outline-dark{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
  .btn-outline-dark:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.46)}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;margin-top:64px;padding:56px 0 24px;
    background:linear-gradient(150deg,#10393D 0%,#174E4C 100%);
    color:rgba(255,255,255,.72);
  }
  .site-footer::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:
      repeating-linear-gradient(0deg,rgba(255,255,255,.035) 0 1px,transparent 1px 44px),
      repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 44px);
  }
  .site-footer .container{position:relative}
  .footer-top{display:grid;grid-template-columns:1fr;gap:36px}
  @media (min-width:768px){ .footer-top{grid-template-columns:1fr 1fr;gap:36px 28px} }
  @media (min-width:1024px){ .footer-top{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px} }
  .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-brand .brand-text{color:#fff}
  .footer-brand .brand-sub{color:rgba(255,255,255,.55)}
  .footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:360px}
  .footer-contact{display:grid;gap:6px;margin-top:18px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.55)}
  .footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color var(--ease)}
  .footer-col a:hover{color:var(--brand-2)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
    margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
    font-size:13px;color:rgba(255,255,255,.55);
  }

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }