/* roulang page: index */
:root{
  --brand:#FF6B2C;
  --brand-dark:#E2541A;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF6B2C 48%,#FF4D6D 100%);
  --mint:#0FB59B;
  --mint-dark:#0A8E7B;
  --violet:#7C5CFF;
  --ink:#1F1A17;
  --text:#5A4F49;
  --muted:#8C8078;
  --cream:#FFF7F1;
  --card:#FFFFFF;
  --line:#F2E6DC;
  --dark:#241C18;
  --warn:#D9822B;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 10px 30px rgba(31,26,23,.06);
  --shadow-hover:0 18px 44px rgba(255,107,44,.16);
  --gap:28px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,transform .2s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:92px 0}}
.section-head{margin-bottom:30px}
@media(min-width:1024px){.section-head{margin-bottom:40px}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand-dark);background:#FFF1E8;border:1px solid #FFE0CE;
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad)}
.h1{font-size:clamp(30px,4.6vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.h2{font-size:clamp(23px,3vw,34px);font-weight:700;line-height:1.3}
.h3{font-size:20px;font-weight:600;line-height:1.45}
.lead{font-size:17px;color:var(--text);max-width:760px}
.small{font-size:14px;line-height:1.7;color:var(--muted)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all .2s ease-out;white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,107,44,.28)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,107,44,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,107,44,.24)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:#FFF1E8}
.btn-ghost{background:transparent;color:var(--ink);border-color:rgba(31,26,23,.22)}
.btn-ghost:hover{border-color:var(--ink);background:rgba(255,255,255,.6)}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(255,107,44,.4);outline-offset:2px;
}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,247,241,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:height .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(31,26,23,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .2s ease-out}
.site-header.is-scrolled .nav-inner{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background-image:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 8px 18px rgba(255,107,44,.28);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.08em}
.nav-links{display:none;align-items:center;gap:6px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text);
}
.nav-link:hover{color:var(--brand-dark);background:#FFF1E8}
.nav-link.active{color:var(--brand-dark);background:#FFF1E8}
.nav-right{display:flex;align-items:center;gap:12px}

.mega-wrap{position:relative;display:none}
@media(min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text);border:1px solid transparent;cursor:pointer;background:transparent;
}
.mega-wrap:hover .mega-trigger,.mega-wrap:focus-within .mega-trigger{color:var(--brand-dark);background:#FFF1E8}
.mega{
  position:absolute;top:calc(100% + 10px);right:0;width:700px;
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;
  box-shadow:0 20px 50px rgba(31,26,23,.12);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mega-wrap:hover .mega,.mega-wrap:focus-within .mega{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted);margin-bottom:10px}
.mega-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;transition:background-color .2s ease-out}
.mega-item:hover{background:#FFF7F1}
.mega-ico{width:30px;height:30px;border-radius:9px;background:#FFF1E8;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;flex:0 0 auto}
.mega-item b{display:block;font-size:14px;color:var(--ink);font-weight:600}
.mega-item em{font-style:normal;font-size:12px;color:var(--muted)}
.mega-count{margin-left:auto;font-size:12px;font-weight:700;color:var(--mint-dark);background:#E7F7F3;border-radius:999px;padding:2px 9px}
.mega-mini{display:flex;gap:10px;padding:10px;border-radius:14px;border:1px solid var(--line);background:#FFFDFB}
.mega-mini img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex:0 0 auto}
.mega-mini b{display:block;font-size:13.5px;color:var(--ink);line-height:1.4}
.mega-mini span{font-size:12px;color:var(--muted)}
.mega-foot{
  margin-top:18px;padding:14px 16px;border-radius:16px;background-image:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;font-weight:600;
}
.mega-foot span{opacity:.92;font-weight:500}
.mega-foot strong{font-weight:700;white-space:nowrap}

.hamburger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
@media(min-width:1024px){.hamburger{display:none}}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);margin:0 auto;border-radius:2px}
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(36,28,24,.97);color:#fff;
  padding:24px 20px 40px;overflow-y:auto;display:none;
}
.drawer.open{display:block}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:20px;cursor:pointer}
.drawer a.drawer-link{display:block;padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;color:#fff;border:1px solid rgba(255,255,255,.1);margin-bottom:10px}
.drawer a.drawer-link:hover{background:rgba(255,255,255,.08)}
.drawer-sub{font-size:13px;color:rgba(255,255,255,.6);margin:18px 0 10px;letter-spacing:.08em}

/* Hero */
.hero{position:relative;overflow:hidden;background-color:var(--dark);color:#fff;padding:52px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(255,138,61,.72) 0%,rgba(255,107,44,.66) 48%,rgba(255,77,109,.58) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(900px 420px at 88% 12%,rgba(15,181,155,.28),transparent 70%);
}
.hero-inner{position:relative;z-index:2;display:grid;gap:36px}
@media(min-width:1024px){.hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:52px}}
.hero h1{color:#fff}
.hero .eyebrow{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28);color:#fff}
.hero .eyebrow::before{background:#fff}
.hero-sub{font-size:clamp(16px,2vw,19px);color:rgba(255,255,255,.92);margin:18px 0 14px;font-weight:500;max-width:640px}
.hero-desc{color:rgba(255,255,255,.8);max-width:640px;font-size:15.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 22px}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px 26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.22)}
.hero-fact{display:flex;align-items:baseline;gap:8px;font-size:14px;color:rgba(255,255,255,.82)}
.hero-fact b{font-size:20px;font-weight:800;color:#fff}
.hero-card{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 26px 60px rgba(0,0,0,.34);border:1px solid rgba(255,255,255,.18)}
.hero-card img{width:100%;height:300px;object-fit:cover}
@media(min-width:1024px){.hero-card img{height:400px}}
.hero-badge{
  position:absolute;left:18px;bottom:18px;background:#fff;color:var(--ink);
  border-radius:16px;padding:12px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:12px;
}
.hero-badge .n{font-size:26px;font-weight:800;color:var(--brand-dark);line-height:1}
.hero-badge .t{font-size:12px;color:var(--muted);line-height:1.4}

/* 指标看板 */
.stat-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;overflow:hidden;
}
.stat-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background-image:var(--grad)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.stat-ico{width:36px;height:36px;border-radius:11px;background:#FFF1E8;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px}
.stat-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num small{font-size:14px;font-weight:700;color:var(--brand-dark);margin-left:4px}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px}
.bar{height:6px;border-radius:999px;background:#F4EAE2;overflow:hidden;margin-top:14px}
.bar i{display:block;height:100%;border-radius:999px;background-image:var(--grad)}

/* 卡片通用 */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.card-pad{padding:26px}
.media{border-radius:var(--r-md);overflow:hidden;background:var(--cream)}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.card:hover .media img{transform:scale(1.03)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:#FFF1E8;color:var(--brand-dark)}
.tag-mint{background:#E7F7F3;color:var(--mint-dark)}
.tag-violet{background:#F0EDFF;color:#5A3FE0}
.arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-dark)}
.arrow-link:hover{gap:10px;color:var(--brand)}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);margin-bottom:10px}
.check-list li:last-child{margin-bottom:0}
.dot{width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex:0 0 auto;margin-top:3px}
.dot-ok{background:#E7F7F3;color:var(--mint-dark)}
.dot-no{background:#FBEDE9;color:#C9452F}

/* 对比 */
.compare{border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);padding:26px}
.compare-col{border-radius:var(--r-md);padding:22px;border:1px solid var(--line);height:100%}
.compare-old{background:#FFFBF8}
.compare-new{background:#F6FEFC;border-color:#D6F0E9}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.cmp-bar{margin-top:16px}
.cmp-bar .lbl{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:6px}
.cmp-bar .lbl b{color:var(--ink)}
.track{height:10px;border-radius:999px;background:#F4EAE2;overflow:hidden}
.track i{display:block;height:100%;border-radius:999px}
.track .old{background:#7C5CFF;opacity:.75}
.track .new{background-image:var(--grad)}

/* 场景列表 */
.scene{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-ico{width:44px;height:44px;border-radius:14px;background-image:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto}
.scene b{display:block;font-size:16px;color:var(--ink);margin-bottom:4px;font-weight:700}
.scene p{font-size:14px;color:var(--text);margin:0}

/* 列表卡片 */
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow);transition:transform .2s ease-out,box-shadow .2s ease-out;height:100%;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.post-cover{aspect-ratio:16/10;overflow:hidden;background:var(--cream)}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-title{font-size:17px;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover .post-title{color:var(--brand-dark)}
.post-sum{font-size:14px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.empty{background:#fff;border:1px dashed #EFDCCE;border-radius:var(--r-lg);padding:48px 24px;text-align:center}
.empty-ico{width:56px;height:56px;border-radius:18px;background:#FFF1E8;color:var(--brand);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:22px;font-weight:800}

/* 深色区块 */
.dark-block{background:var(--dark);border-radius:var(--r-lg);padding:34px 26px;color:rgba(255,255,255,.82)}
@media(min-width:1024px){.dark-block{padding:44px 40px}}
.dark-block h2,.dark-block h3{color:#fff}
.dark-block .small{color:rgba(255,255,255,.62)}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out}
.faq-item[open]{box-shadow:var(--shadow-hover);border-color:#FFE0CE}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background-image:var(--grad)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;padding:21px 22px;font-weight:600;color:var(--ink);font-size:16.5px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{width:32px;height:32px;border-radius:50%;background:#FFF1E8;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto}
.faq-item summary::after{content:"+";margin-left:auto;color:var(--muted);font-size:20px;font-weight:600;line-height:1}
.faq-item[open] summary::after{content:"–";color:var(--brand)}
.faq-a{padding:0 24px 22px 68px;color:var(--text);font-size:15px;line-height:1.9}
@media(max-width:640px){
  .faq-item summary{padding:18px 16px;font-size:15.5px;gap:10px}
  .faq-a{padding:0 18px 20px 58px;font-size:14.5px}
}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:28px}
@media(min-width:1024px){.form-card{padding:34px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FFFDFB;padding:0 14px;font-size:15px;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,44,.18);outline:none;background:#fff;
}
.form-note{font-size:13.5px;color:var(--muted);margin-top:14px}
.form-ok{display:none;margin-top:14px;background:#E7F7F3;color:var(--mint-dark);border-radius:var(--r-sm);padding:12px 14px;font-size:14px;font-weight:600}
.form-ok.show{display:block}
.why-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;margin-bottom:12px;color:var(--text)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:0;padding:56px 0 26px}
.footer-grid{display:grid;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand b{color:#fff;font-size:17px;font-weight:800;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:320px}
.footer-title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:14px}
.footer-link{display:block;font-size:14px;color:rgba(255,255,255,.68);padding:5px 0;transition:color .2s ease-out,transform .2s ease-out}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo .logo-mark{box-shadow:none}
.footer-logo b{color:#fff;font-size:16px;font-weight:800}

/* roulang page: article */
:root{
  --brand-1:#FF8A3D;
  --brand:#FF6B2C;
  --brand-dark:#E2541A;
  --brand-2:#FF4D6D;
  --mint:#0FB59B;
  --mint-dark:#0A8E7B;
  --violet:#7C5CFF;
  --ink:#1F1A17;
  --body:#5A4F49;
  --muted:#8C8078;
  --bg:#FFF7F1;
  --card:#FFFFFF;
  --line:#F2E6DC;
  --deep:#241C18;
  --soft:#FFF1E8;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF6B2C 48%,#FF4D6D 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:14px;
  --sd:0 10px 30px rgba(31,26,23,.06);
  --sd-hover:0 18px 44px rgba(255,107,44,.16);
}
*,*::before,*::after{box-sizing:border-box;}
.site-body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul,ol{margin:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:768px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease-out;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,107,44,.26);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,107,44,.32);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--soft);transform:translateY(-2px);color:var(--brand-dark);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(255,107,44,.4);outline-offset:2px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,241,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all .2s ease-out;
}
.site-header.scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(31,26,23,.06);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .2s ease-out;}
.site-header.scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(255,107,44,.28);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.nav-links{display:none;align-items:center;gap:4px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-link{
  position:relative;padding:9px 14px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--body);transition:all .18s ease-out;
}
.nav-link:hover{color:var(--brand);background:var(--soft);}
.nav-link.active{color:var(--brand-dark);background:var(--soft);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-right{display:flex;align-items:center;gap:12px;}
.nav-mega{position:relative;display:none;}
@media (min-width:1024px){.nav-mega{display:block;}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--line);
  border-radius:12px;padding:9px 14px;font-size:15px;color:var(--body);cursor:pointer;transition:all .18s ease-out;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:660px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:0 20px 50px rgba(31,26,23,.12);
  padding:22px;display:grid;grid-template-columns:1fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .2s ease-out;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);text-transform:uppercase;margin-bottom:10px;}
.mega-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;font-size:14px;color:var(--ink);transition:all .18s ease-out;
}
.mega-link:hover{background:var(--soft);color:var(--brand-dark);}
.mega-count{
  font-size:12px;font-weight:700;color:var(--mint-dark);background:rgba(15,181,155,.12);
  border-radius:999px;padding:2px 9px;font-variant-numeric:tabular-nums;
}
.mega-post{display:flex;gap:10px;padding:8px;border-radius:14px;transition:background .18s ease-out;}
.mega-post:hover{background:var(--bg);}
.mega-post img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex-shrink:0;}
.mega-post b{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.5;}
.mega-post span{font-size:12px;color:var(--muted);}
.mega-footer-card{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--soft);border-radius:14px;padding:14px 16px;font-size:14px;font-weight:600;color:var(--brand-dark);
  transition:background .18s ease-out;
}
.mega-footer-card:hover{background:#FFE6D6;}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.menu-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;
}
@media (min-width:1024px){.menu-toggle{display:none;}}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);margin:0 auto;}

.mobile-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:55;
  background:#fff;padding:22px 20px 40px;overflow-y:auto;
  transform:translateX(100%);visibility:hidden;transition:transform .24s ease-out,visibility .24s;
}
.mobile-drawer.open{transform:translateX(0);visibility:visible;}
.drawer-link{
  display:block;padding:14px 12px;border-radius:14px;font-size:16px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.active{color:var(--brand-dark);background:var(--soft);font-weight:700;}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--muted);margin:22px 0 8px;text-transform:uppercase;}

/* ---------- 面包屑 & 文章头 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:22px 0 0;}
.breadcrumb a{color:var(--muted);transition:color .18s ease-out;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#D8C9BE;}
.breadcrumb .current{color:var(--ink);font-weight:500;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{padding:26px 0 30px;}
.article-inner{max-width:860px;margin:0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--soft);border-radius:999px;padding:5px 14px;
}
.article-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.3;font-weight:700;color:var(--ink);
  margin:16px 0 0;letter-spacing:-.2px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:18px;font-size:14px;color:var(--muted);}
.article-meta i{color:var(--brand);margin-right:6px;}
.article-cover{margin:28px 0 0;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sd);}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover;}
.article-figure-cap{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 8px;}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--body);}
.article-body p{margin:0 0 18px;}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);line-height:1.4;font-weight:700;color:var(--ink);
  margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body li{margin:8px 0;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body a{color:var(--brand-dark);border-bottom:1px solid rgba(255,107,44,.4);}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand);}
.article-body img{border-radius:var(--r-lg);margin:22px 0;box-shadow:var(--sd);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--soft);
  border-left:3px solid var(--brand);border-radius:0 14px 14px 0;color:var(--ink);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--line);border-radius:14px;overflow:hidden;}
.article-body th{background:var(--soft);color:var(--ink);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{background:var(--soft);border-radius:6px;padding:2px 7px;font-size:14px;color:var(--brand-dark);}
.article-body pre{background:var(--deep);color:#F6EDE6;border-radius:var(--r-lg);padding:18px 20px;overflow-x:auto;margin:22px 0;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:30px 0;}

.article-empty{
  max-width:760px;margin:0 auto;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:52px 24px;box-shadow:var(--sd);
}
.article-empty .ico{
  width:64px;height:64px;border-radius:20px;background:var(--soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:26px;margin:0 auto 18px;
}
.article-empty h2{font-size:22px;color:var(--ink);font-weight:700;margin-bottom:10px;}
.article-empty p{margin-bottom:22px;color:var(--muted);}

/* ---------- 标签 / 翻页 ---------- */
.tag-row{max-width:760px;margin:38px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .label{font-size:13px;color:var(--muted);}
.tag{
  font-size:13px;color:var(--brand-dark);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;transition:all .18s ease-out;
}
.tag:hover{border-color:var(--brand);background:var(--soft);}
.post-nav{max-width:860px;margin:36px auto 0;display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr;}}
.post-nav a{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;
  transition:all .2s ease-out;display:block;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--sd-hover);border-color:#FFD9C2;}
.post-nav .k{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.post-nav .v{font-size:15px;font-weight:600;color:var(--ink);margin-top:6px;}

/* ---------- 视频/相关推荐 ---------- */
.section{padding:72px 0;}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px;}
.section-title{font-size:clamp(23px,3vw,32px);font-weight:700;color:var(--ink);line-height:1.35;}
.section-sub{margin-top:10px;font-size:15px;color:var(--muted);max-width:640px;}
.more-link{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.more-link:hover{color:var(--brand);}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr);}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sd);transition:all .2s ease-out;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sd-hover);border-color:#FFD9C2;}
.card-cover{overflow:hidden;aspect-ratio:16/10;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.55;margin:12px 0 10px;}
.card-body p{font-size:14.5px;color:var(--body);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.card-foot i{color:var(--brand);transition:transform .2s ease-out;}
.card:hover .card-foot i{transform:translateX(4px);}

/* ---------- CTA + 表单 ---------- */
.cta-wrap{background:var(--deep);border-radius:var(--r-xl);padding:38px 26px;color:#F6EDE6;}
@media (min-width:1024px){.cta-wrap{padding:52px 48px;}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:start;}}
.cta-wrap h2{font-size:clamp(23px,2.8vw,30px);font-weight:700;color:#fff;line-height:1.4;}
.cta-wrap p.lead{margin-top:14px;font-size:15px;color:rgba(246,237,230,.78);line-height:1.85;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{list-style:none;display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(246,237,230,.86);}
.cta-points i{color:var(--mint);margin-top:5px;}
.cta-form{background:#fff;border-radius:var(--r-xl);padding:24px;display:grid;gap:16px;}
.field{display:grid;gap:7px;}
.field label{font-size:13.5px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:11px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FFFDFB;transition:all .18s ease-out;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,107,44,.16);outline:none;background:#fff;
}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(246,237,230,.72);margin-top:80px;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;}}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:14px;max-width:320px;color:rgba(246,237,230,.7);}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo b{color:#fff;font-size:16px;font-weight:700;}
.footer-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:14px;text-transform:uppercase;}
.footer-link{display:block;font-size:14px;color:rgba(246,237,230,.7);padding:5px 0;transition:all .18s ease-out;}
.footer-link:hover{color:var(--brand-1);transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(246,237,230,.14);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(246,237,230,.55);
}
@media (max-width:767px){
  .article-title{font-size:26px;}
  .section{padding:56px 0;}
  .article-cover img{aspect-ratio:16/10;}
}

/* roulang page: category1 */
:root{
  --brand:#FF6B2C;
  --brand-dark:#E2541A;
  --brand-soft:#FFF1E8;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF6B2C 48%,#FF4D6D 100%);
  --mint:#0FB59B;
  --mint-dark:#0A8E7B;
  --purple:#7C5CFF;
  --ink:#1F1A17;
  --text:#5A4F49;
  --muted:#8C8078;
  --bg:#FFF7F1;
  --card:#FFFFFF;
  --line:#F2E6DC;
  --dark:#241C18;
  --warn:#D9822B;
  --err:#C9452F;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(31,26,23,.06);
  --sh-hover:0 18px 44px rgba(255,107,44,.16);
  --container:1240px;
}

*,*::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","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,transform .18s ease-out}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,107,44,.4);outline-offset:2px;border-radius:8px}

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

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,247,241,.88);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(31,26,23,.06);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .22s ease-out}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;line-height:1;
  box-shadow:0 6px 18px rgba(255,107,44,.32);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:12px;font-size:15px;color:var(--text);
  white-space:nowrap;font-weight:500;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-link.active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(255,107,44,.24)}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}

.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;transition:.2s ease-out;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}
.mega-trigger i{font-size:11px;transition:transform .2s ease-out}
.mega-wrap:hover .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:660px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:20px;box-shadow:0 20px 50px rgba(31,26,23,.12);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:20px}
.mega-sub{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:1px;margin-bottom:10px}
.mega-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;transition:.16s ease-out}
.mega-item:hover{background:var(--brand-soft)}
.mega-ico{
  width:36px;height:36px;border-radius:12px;flex:none;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:15px;
}
.mega-item b{display:block;font-size:14px;color:var(--ink);line-height:1.4}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.count-badge{
  margin-left:auto;font-size:12px;font-weight:700;color:var(--mint-dark);
  border:1px solid rgba(15,181,155,.4);border-radius:999px;padding:2px 9px;flex:none;
}
.mega-post{display:flex;gap:10px;align-items:center;padding:9px 8px;border-radius:14px;transition:.16s ease-out}
.mega-post:hover{background:#FFF7F1}
.mega-post img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex:none}
.mega-post b{display:block;font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.45;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:210px}
.mega-post span{font-size:12px;color:var(--muted)}
.mega-foot{
  margin-top:16px;padding:14px 16px;border-radius:16px;background:var(--dark);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.mega-foot b{color:#fff;font-size:14px}
.mega-foot span{display:block;color:#B9ADA4;font-size:12px;line-height:1.6}
.mega-foot .mini-link{color:#FFB388;font-size:13px;font-weight:700;white-space:nowrap}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:16px 0 24px}
.mobile-drawer.open{display:block}
.drawer-link{
  display:block;padding:13px 18px;border-radius:14px;font-size:15.5px;color:var(--ink);font-weight:600;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-link.active{background:var(--grad);color:#fff}
.drawer-title{font-size:12px;letter-spacing:1px;color:var(--muted);font-weight:700;padding:16px 18px 8px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;text-align:center;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,107,44,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,44,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand-dark);border:1px solid rgba(255,107,44,.5)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid rgba(31,26,23,.18)}
.btn-ghost:hover{background:rgba(255,255,255,.9);color:var(--ink)}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;border-radius:12px}
.btn-block{width:100%}

/* ---------- 内页头图 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:64px 0 72px}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.45;
}
.page-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,138,61,.78) 0%,rgba(255,107,44,.66) 48%,rgba(255,77,109,.72) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;max-width:860px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .cur{color:#fff;font-weight:600}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:13.5px;font-weight:600;margin-bottom:18px;
}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,48px);font-weight:700;line-height:1.25;
  letter-spacing:.5px;margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.92);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.page-hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55)}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff}
.hero-inline-stats{display:flex;flex-wrap:wrap;gap:14px}
.inline-stat{
  display:flex;align-items:baseline;gap:8px;padding:11px 16px;border-radius:14px;
  background:rgba(36,28,24,.34);border:1px solid rgba(255,255,255,.22);
}
.inline-stat b{font-size:20px;font-weight:800;color:#fff}
.inline-stat span{font-size:13px;color:rgba(255,255,255,.86)}

.anchor-nav{position:relative;z-index:3;margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.anchor-nav a{
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#fff;
}
.anchor-nav a:hover{background:#fff;color:var(--brand-dark)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-dark);letter-spacing:1.4px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-title{font-size:clamp(23px,3vw,34px);margin-bottom:14px}
.section-desc{font-size:16px;max-width:760px}
.surface-white{background:#fff}

/* ---------- 双栏图文 ---------- */
.split-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){.split-grid{grid-template-columns:1fr 1fr;gap:56px}}
.split-copy p{margin:16px 0 0;font-size:16.5px}
.check-list{margin-top:24px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text)}
.check-ico{
  width:24px;height:24px;border-radius:999px;flex:none;margin-top:4px;
  background:rgba(15,181,155,.14);color:var(--mint-dark);
  display:grid;place-items:center;font-size:12px;
}
.check-list b{color:var(--ink);font-weight:700}
.split-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px}
.split-media{position:relative}
.split-media img{
  width:100%;border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(31,26,23,.16);
  aspect-ratio:16/11;object-fit:cover;
}
.float-badge{
  position:absolute;left:20px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:14px 20px;box-shadow:var(--sh);display:flex;align-items:center;gap:12px;
}
.float-badge b{font-size:30px;font-weight:800;color:var(--brand);line-height:1}
.float-badge span{font-size:13px;color:var(--muted);line-height:1.5}
.split-media::after{
  content:"";position:absolute;top:-16px;right:-16px;width:96px;height:96px;border-radius:999px;
  background:radial-gradient(circle,rgba(15,181,155,.2) 0%,rgba(15,181,155,0) 70%);z-index:-1;
}

/* ---------- 竖向数据条 ---------- */
.data-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-bars{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:34px}
@media (min-width:1024px){.stat-bars{grid-template-columns:repeat(4,minmax(0,1fr));gap:26px}}
.stat-card{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px 20px;position:relative;overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .2s ease-out}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,107,44,.28)}
.stat-card:hover::before{opacity:1}
.bar-track{
  height:120px;width:100%;background:#fff;border:1px solid var(--line);border-radius:14px;
  display:flex;align-items:flex-end;padding:8px;margin-bottom:18px;overflow:hidden;
}
.bar-fill{width:100%;border-radius:10px;background:var(--grad);transition:height .4s ease-out}
.bar-fill.alt{background:linear-gradient(180deg,#3FD3B8 0%,var(--mint-dark) 100%)}
.bar-fill.deep{background:linear-gradient(180deg,#5A4F49 0%,var(--dark) 100%)}
.bar-fill.violet{background:linear-gradient(180deg,#A18BFF 0%,var(--purple) 100%)}
.stat-num{font-size:36px;font-weight:800;color:var(--ink);line-height:1.1}
.stat-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px}
.stat-label{margin-top:6px;font-size:14px;color:var(--muted)}
.stat-note{margin-top:12px;font-size:13.5px;color:var(--text);border-top:1px dashed var(--line);padding-top:10px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:var(--dark);border-radius:var(--r-lg);padding:38px 28px;
  display:grid;grid-template-columns:1fr;gap:26px;align-items:center;
  position:relative;overflow:hidden;
}
@media (min-width:1024px){.cta-band{padding:48px 48px;grid-template-columns:1.5fr 1fr;gap:40px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:999px;
  background:radial-gradient(circle,rgba(255,107,44,.42) 0%,rgba(255,107,44,0) 70%);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;position:relative;z-index:2}
.cta-band p{color:#C9BEB6;font-size:15.5px;position:relative;z-index:2}
.cta-points{margin-top:18px;display:grid;gap:10px;position:relative;z-index:2}
.cta-points li{display:flex;gap:10px;color:#E8DED7;font-size:14.5px;align-items:flex-start}
.cta-points i{color:var(--mint);margin-top:6px;font-size:12px}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px}
@media (min-width:640px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.scene-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,107,44,.26)}
.scene-ico{
  width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;
}
.scene-card h3{font-size:18px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--text)}
.scene-meta{margin-top:16px;font-size:13px;color:var(--mint-dark);font-weight:700;display:flex;align-items:center;gap:8px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:16px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-hover);border-color:rgba(255,107,44,.24)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{
  width:30px;height:30px;border-radius:999px;flex:none;background:var(--brand-soft);
  color:var(--brand-dark);display:grid;place-items:center;font-size:14px;font-weight:800;
}
.faq-caret{margin-left:auto;color:var(--muted);font-size:13px;transition:transform .2s ease-out}
.faq-item[open] .faq-caret{transform:rotate(180deg)}
.faq-a{padding:0 22px 22px 66px;font-size:15px;line-height:1.9;color:var(--text)}
@media (max-width:520px){.faq-a{padding:0 18px 20px 18px}}

/* ---------- 入口卡片 ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:34px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,107,44,.26)}
.entry-thumb{position:relative;overflow:hidden;aspect-ratio:16/10}
.entry-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .22s ease-out}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-chip{
  position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);
  color:var(--brand-dark);font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.entry-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:18px;margin-bottom:10px}
.entry-body p{font-size:14.5px;color:var(--text);flex:1}
.entry-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;
}
.entry-foot b{color:var(--brand-dark);font-weight:700;display:inline-flex;align-items:center;gap:8px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9BEB6;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#A79B93;max-width:330px;margin-top:14px}
.footer-logo{display:flex;align-items:center;gap:10px}
.footer-logo b{color:#fff;font-size:17px;font-weight:800;letter-spacing:.4px}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;line-height:1;
}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-link{display:block;color:#A79B93;font-size:14.5px;padding:6px 0;transition:color .18s ease-out,transform .18s ease-out}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:#8C8078;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links,.mega-wrap{display:none}
  .nav-toggle{display:flex}
  .nav-right .btn-sm{display:none}
}
@media (max-width:520px){
  .page-hero{padding:44px 0 54px}
  .hero-sub{font-size:15.5px}
  .hero-inline-stats{gap:10px}
  .inline-stat{padding:9px 13px}
  .inline-stat b{font-size:18px}
  .btn{width:100%}
  .hero-actions .btn,.split-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .anchor-nav a{font-size:12.5px;padding:8px 13px}
  .float-badge{left:12px;bottom:-16px;padding:12px 16px}
  .float-badge b{font-size:26px}
}

/* roulang page: category2 */
:root{
  --brand:#FF6B2C;
  --brand-deep:#E2541A;
  --brand-soft:#FFF1E8;
  --grad:linear-gradient(120deg,#FF8A3D 0%,#FF6B2C 48%,#FF4D6D 100%);
  --mint:#0FB59B;
  --mint-deep:#0A8E7B;
  --violet:#7C5CFF;
  --ink:#1F1A17;
  --text:#5A4F49;
  --muted:#8C8078;
  --cream:#FFF7F1;
  --card:#FFFFFF;
  --line:#F2E6DC;
  --dark:#241C18;
  --warn:#D9822B;
  --err:#C9452F;
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(31,26,23,.06);
  --sh-hover:0 18px 44px rgba(255,107,44,.16);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--cream);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,107,44,.4);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid transparent;
  transition:height .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px rgba(31,26,23,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .22s ease-out}
.site-header.scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:20px;line-height:1;
  box-shadow:0 8px 20px rgba(255,107,44,.28);
}
.brand-text b{display:block;font-size:16px;line-height:1.2;color:var(--ink);letter-spacing:.01em}
.brand-text i{display:block;font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.12em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-block;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--text);
  transition:color .18s ease-out,background .18s ease-out,transform .18s ease-out;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-link.active{color:var(--brand-deep);background:var(--brand-soft);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:10px;position:relative}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:0 8px 20px rgba(255,107,44,.14)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);
  width:680px;background:#fff;border-radius:20px;
  box-shadow:0 20px 50px rgba(31,26,23,.12);
  border:1px solid var(--line);
  padding:22px;display:grid;grid-template-columns:1.05fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted);font-weight:700;margin-bottom:10px}
.mega-item{
  display:flex;align-items:center;gap:12px;
  padding:10px 12px;border-radius:14px;
  transition:background .18s ease-out,transform .18s ease-out;
}
.mega-item:hover{background:var(--cream);transform:translateX(2px)}
.mega-icon{
  width:34px;height:34px;border-radius:11px;flex:0 0 34px;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);font-size:14px;
}
.mega-item b{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.4}
.mega-item span{display:block;font-size:12px;color:var(--muted);line-height:1.5}
.mega-count{
  margin-left:auto;font-size:12px;font-weight:700;color:var(--mint-deep);
  background:rgba(15,181,155,.12);border-radius:999px;padding:2px 9px;
}
.mega-news{
  display:flex;align-items:center;gap:12px;padding:10px;border-radius:14px;
  transition:background .18s ease-out;
}
.mega-news:hover{background:var(--cream)}
.mega-news img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex:0 0 48px}
.mega-news b{display:block;font-size:13px;color:var(--ink);font-weight:600;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:230px}
.mega-news span{font-size:12px;color:var(--muted)}
.mega-foot{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:var(--cream);border-radius:16px;padding:14px 18px;
}
.mega-foot b{font-size:14px;color:var(--ink)}
.mega-foot span{font-size:12px;color:var(--muted)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s ease-out}
.site-header.open .hamburger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.open .hamburger span:nth-child(2){opacity:0}
.site-header.open .hamburger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(255,107,44,.28);border-radius:999px}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,107,44,.32)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(255,107,44,.26)}
.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand-deep)}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--ink);background:#fff}
.btn-ghost-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ---------- section ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-dark{background:var(--dark);color:rgba(255,255,255,.82)}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-title{font-size:clamp(23px,3vw,34px);line-height:1.3;letter-spacing:-.01em}
.section-sub{margin-top:12px;font-size:15px;color:var(--muted);max-width:700px}
.section-dark .section-sub{color:rgba(255,255,255,.62)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding-top:22px}
.crumb a{color:var(--muted);transition:color .18s ease-out}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#D9CCC2}
.crumb .current{color:var(--ink);font-weight:600}

/* ---------- hero ---------- */
.hero-cat{position:relative;overflow:hidden;background:#241C18;color:#fff;padding:56px 0 64px}
@media(min-width:1024px){.hero-cat{padding:72px 0 88px}}
.hero-cat-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3}
.hero-cat-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,138,61,.68) 0%,rgba(255,107,44,.55) 46%,rgba(36,28,24,.9) 100%)}
.hero-cat-inner{position:relative;z-index:2;display:grid;gap:40px;align-items:center}
@media(min-width:1024px){.hero-cat-inner{grid-template-columns:1.12fr .88fr;gap:52px}}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.1em;
  border-radius:999px;padding:7px 14px;
}
.pill-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.34)}
.hero-cat h1{
  color:#fff;margin:18px 0 16px;
  font-size:clamp(30px,4.6vw,48px);line-height:1.25;letter-spacing:-.01em;
}
.hero-lead{font-size:clamp(17px,1.6vw,20px);color:rgba(255,255,255,.94);font-weight:600;margin-bottom:12px}
.hero-desc{font-size:15px;color:rgba(255,255,255,.78);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:28px}
.hero-metrics li{display:flex;align-items:baseline;gap:8px}
.hero-metrics b{font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.hero-metrics span{font-size:13px;color:rgba(255,255,255,.72)}
.hero-cat-card{
  position:relative;background:#fff;border-radius:var(--r-xl);padding:14px;
  box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.hero-cat-card img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:16px}
.hero-badge{
  position:absolute;right:18px;bottom:-18px;
  background:var(--grad);color:#fff;border-radius:999px;
  padding:10px 18px;font-size:13px;font-weight:600;
  box-shadow:0 14px 30px rgba(255,107,44,.4);
}
.hero-badge b{font-size:17px;font-variant-numeric:tabular-nums}

/* ---------- stat cards ---------- */
.stat-card{
  position:relative;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 20px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.stat-icon{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:15px;
}
.stat-num{font-size:34px;font-weight:800;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px}
.stat-label{margin-top:9px;font-size:14px;color:var(--muted)}
.stat-bar{height:6px;border-radius:999px;background:var(--cream);margin-top:16px;overflow:hidden}
.stat-bar i{display:block;height:100%;border-radius:999px;background:var(--grad)}
.stat-bar.mint i{background:linear-gradient(90deg,#0FB59B,#0A8E7B)}

/* ---------- timeline ---------- */
.timeline{position:relative;max-width:940px;margin:0 auto}
.timeline::before{
  content:"";position:absolute;left:26px;top:14px;bottom:26px;width:2px;
  background:linear-gradient(180deg,#FF8A3D 0%,#FF4D6D 55%,rgba(255,107,44,.08) 100%);
}
.tl-item{position:relative;padding:0 0 24px 74px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;width:54px;height:54px;border-radius:50%;
  background:#fff;border:2px solid var(--line);
  display:grid;place-items:center;
  font-size:19px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
  z-index:2;
}
.tl-item:hover .tl-dot{border-color:var(--brand);box-shadow:0 12px 26px rgba(255,107,44,.2);transform:scale(1.04)}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F6DCC9}
.tl-card h3{font-size:19px;line-height:1.4;margin-bottom:8px}
.tl-card p{font-size:15px;color:var(--text)}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 12px;
  background:var(--cream);color:var(--text);border:1px solid var(--line);
}
.tag.mint{background:rgba(15,181,155,.1);color:var(--mint-deep);border-color:rgba(15,181,155,.24)}
.tag.brand{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(255,107,44,.24)}

/* ---------- cta ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-xl);
  padding:36px 28px;color:rgba(255,255,255,.82);
}
@media(min-width:1024px){.cta-card{padding:48px 52px}}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,44,.5),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;gap:28px}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.35fr .95fr;gap:48px;align-items:center}}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px}
.cta-list{display:grid;gap:12px}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px}
.cta-list i{color:var(--mint);margin-top:6px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ---------- cards grid ---------- */
.way-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);position:relative;height:100%;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.way-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.way-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:17px;margin-bottom:16px;
}
.way-card h3{font-size:18px;margin-bottom:8px}
.way-card p{font-size:14.5px;color:var(--text)}
.way-foot{margin-top:16px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.way-foot b{color:var(--mint-deep);font-variant-numeric:tabular-nums}

/* ---------- compare ---------- */
.compare-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;box-shadow:var(--sh);height:100%;
}
.compare-card.good{border-top:3px solid var(--mint)}
.compare-card.slow{border-top:3px solid var(--warn)}
.compare-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.compare-card h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--warn)}
.compare-card.good h3 .dot{background:var(--mint)}
.compare-list{display:grid;gap:12px}
.compare-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px}
.compare-list i{margin-top:6px;font-size:13px}
.compare-list .ok{color:var(--mint-deep)}
.compare-list .no{color:var(--warn)}
.bar-row{margin-top:18px}
.bar-row span{display:flex;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px}
.bar-track{height:10px;border-radius:999px;background:var(--cream);overflow:hidden}
.bar-track i{display:block;height:100%;border-radius:999px}
.bar-brand{background:var(--grad)}
.bar-violet{background:linear-gradient(90deg,#9A82FF,#7C5CFF)}

/* ---------- split feature ---------- */
.split{display:grid;gap:28px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:.95fr 1.05fr;gap:48px}}
.split-card{
  background:#fff;border-radius:var(--r-xl);padding:14px;border:1px solid var(--line);
  box-shadow:var(--sh);
}
.split-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:18px}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px}
.check-list i{
  width:24px;height:24px;border-radius:50%;flex:0 0 24px;margin-top:4px;
  display:grid;place-items:center;background:rgba(15,181,155,.12);color:var(--mint-deep);font-size:11px;
}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px}
details.faq{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
details.faq::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
  opacity:0;transition:opacity .2s ease-out;
}
details.faq[open]::before{opacity:1}
details.faq[open]{box-shadow:var(--sh-hover);border-color:#F6DCC9}
details.faq summary{
  display:flex;align-items:center;gap:14px;padding:20px 24px;cursor:pointer;
  font-weight:600;color:var(--ink);font-size:16px;list-style:none;
}
details.faq summary::-webkit-details-marker{display:none}
.q-badge{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:800;
}
.faq-body{padding:0 26px 22px 66px;font-size:15px;color:var(--text);line-height:1.9}
.faq-body ul{display:grid;gap:8px;margin-top:10px}
.faq-body ul li{position:relative;padding-left:16px}
.faq-body ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.66);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo .logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;
}
.footer-logo b{color:#fff;font-size:16px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.6);max-width:320px;line-height:1.8}
.footer-title{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.04em}
.footer-link{
  display:block;font-size:14px;color:rgba(255,255,255,.66);padding:6px 0;
  transition:color .18s ease-out,transform .18s ease-out;
}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- mobile nav ---------- */
@media(max-width:1023px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;padding:16px 20px 22px;
    border-radius:0 0 20px 20px;box-shadow:0 20px 44px rgba(31,26,23,.14);
    border-top:1px solid var(--line);
  }
  .site-header.open .nav-links{display:flex}
  .nav-link{padding:13px 16px;border-radius:14px;font-size:16px}
  .nav-link.active::after{display:none}
  .hamburger{display:flex}
  .header-actions .btn-primary{display:none}
  .mega-panel{
    position:static;width:auto;grid-template-columns:1fr;gap:14px;
    box-shadow:none;border:1px solid var(--line);padding:14px;margin-top:10px;
    display:none;opacity:1;visibility:visible;transform:none;
  }
  .mega-wrap.open .mega-panel{display:grid}
  .mega-news b{max-width:150px}
  .mega-foot{grid-column:auto;flex-direction:column;align-items:flex-start;gap:8px}
  .tl-item{padding-left:58px}
  .tl-dot{width:44px;height:44px;font-size:16px}
  .timeline::before{left:21px}
  .faq-body{padding:0 22px 20px 22px}
}
@media(max-width:520px){
  .hero-cat h1{font-size:27px}
  .hero-metrics{gap:18px}
  .hero-metrics b{font-size:20px}
  .btn{width:100%}
  .hero-cta{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
}

/* roulang page: category3 */
:root{
  --brand:#FF6B2C;
  --brand-deep:#E2541A;
  --brand-grad:linear-gradient(120deg,#FF8A3D 0%,#FF6B2C 48%,#FF4D6D 100%);
  --mint:#0FB59B;
  --mint-deep:#0A8E7B;
  --violet:#7C5CFF;
  --warn:#D9822B;
  --danger:#C9452F;
  --ink:#1F1A17;
  --body-c:#5A4F49;
  --muted:#8C8078;
  --cream:#FFF7F1;
  --card:#FFFFFF;
  --line:#F2E6DC;
  --dark:#241C18;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 10px 30px rgba(31,26,23,.06);
  --sh-hover:0 18px 44px rgba(255,107,44,.16);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body-c);
  background:var(--cream);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out}
a:hover{color:var(--brand)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.25;font-weight:700}
h2{font-size:clamp(23px,3vw,34px);line-height:1.35}
h3{font-size:20px;font-weight:600;line-height:1.5}
p{margin:0 0 18px;max-width:760px}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid rgba(255,107,44,.45);outline-offset:2px;border-radius:6px}

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

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;border-radius:var(--r-sm);
  font-weight:600;font-size:15px;line-height:1.2;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(255,107,44,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,44,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,107,44,.26)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.12);border-color:#fff}
.btn-outline{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-outline:hover{background:#FFF1E8;color:var(--brand-deep)}
.btn-sm{min-height:44px;padding:10px 18px;font-size:14px}
.btn-block{width:100%}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.3);
}
.eyebrow-light{background:#FFF1E8;color:var(--brand-deep);border-color:#FFD9C2}

.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:#FFF1E8;color:var(--brand-deep);border:1px solid #FFD9C2;
}
.tag-mint{background:#E6F7F3;color:var(--mint-deep);border-color:#BFE9E0}
.tag-violet{background:#F0ECFF;color:#5B44CC;border-color:#DCD3FF}

.section{padding:64px 0}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{max-width:780px;margin-bottom:32px}
.section-head h2{margin-bottom:14px}
.section-head .lead{font-size:16px;color:var(--body-c)}
.section-tint{background:#fff}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  transition:height .22s ease-out,box-shadow .22s ease-out;
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .22s ease-out}
.site-header.scrolled{box-shadow:0 8px 26px rgba(31,26,23,.07)}
.site-header.scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(255,107,44,.28);
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.2px}
.brand:hover .brand-text{color:var(--brand)}

.nav-links{display:none;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:9px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--body-c);
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-link:hover{background:#FFF1E8;color:var(--brand-deep)}
.nav-link.active{background:#FFF1E8;color:var(--brand-deep);box-shadow:inset 0 -2px 0 0 var(--brand)}

.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}

.mega-wrap{position:relative;display:none}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--body-c);background:none;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{background:#FFF1E8;color:var(--brand-deep)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:660px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:0 20px 50px rgba(31,26,23,.12);padding:22px;
  display:grid;grid-template-columns:1.05fr 1fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--muted);margin-bottom:12px}
.mega-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:12px;font-size:14px;font-weight:600;color:var(--ink)}
.mega-item:hover{background:var(--cream);color:var(--brand-deep)}
.mega-ico{
  width:28px;height:28px;border-radius:9px;background:#FFF1E8;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
}
.mega-count{margin-left:auto;font-size:12px;color:var(--muted);font-weight:600}
.mega-news{display:flex;gap:10px;padding:9px 10px;border-radius:12px}
.mega-news:hover{background:var(--cream)}
.mega-news img{width:48px;height:48px;border-radius:12px;object-fit:cover;flex-shrink:0}
.mega-news b{display:block;font-size:14px;color:var(--ink);font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.mega-news span{font-size:12px;color:var(--muted)}
.mega-foot{
  grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 16px;border-radius:16px;background:linear-gradient(120deg,#FFF1E8,#FFF7F1);border:1px solid #FFE2D2;
  font-size:14px;font-weight:600;color:var(--ink);margin-top:4px;
}
.mega-foot a{color:var(--brand-deep)}

.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:14px 20px 22px;
}
body.nav-open .mobile-drawer{display:block}
.mobile-drawer .nav-link{display:block;padding:13px 14px;font-size:16px;border-radius:12px}
.mobile-drawer .btn{margin-top:12px}

@media(min-width:1024px){
  .nav-links{display:flex}
  .mega-wrap{display:block}
  .nav-toggle{display:none}
  .mobile-drawer{display:none !important}
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:76px 0 64px}
.page-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.38;transform:scale(1.04);
}
.page-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,138,61,.72) 0%,rgba(255,107,44,.62) 45%,rgba(36,28,24,.9) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:#fff;font-weight:600}
.page-hero h1{color:#fff;max-width:900px;margin:16px 0 16px}
.page-hero .hero-lead{font-size:17px;color:rgba(255,255,255,.92);max-width:680px;font-weight:500}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stat{
  display:flex;align-items:center;gap:10px;padding:10px 16px;border-radius:14px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:14px;color:#fff;font-weight:600;
}
.hero-stat b{font-size:20px;font-weight:800;color:#fff}
.hero-anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-anchors a{
  padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--brand-deep);
  font-size:14px;font-weight:600;min-height:44px;display:inline-flex;align-items:center;
}
.hero-anchors a:hover{color:#fff;background:var(--brand-deep)}

/* ---------- 卡片矩阵 ---------- */
.matrix{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.matrix{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.matrix{grid-template-columns:repeat(12,1fr);gap:24px}}
.m-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);position:relative;overflow:hidden;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.m-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);opacity:0;transition:opacity .22s ease-out}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#FFD9C2}
.m-card:hover::before{opacity:1}
.m-card h3{margin-bottom:10px}
.m-card p{font-size:15px;color:var(--body-c);margin-bottom:14px}
.m-card .arrow{position:absolute;top:22px;right:22px;color:var(--brand);opacity:0;transition:opacity .2s ease-out,transform .2s ease-out}
.m-card:hover .arrow{opacity:1;transform:translateX(3px)}
.m-card-wide{display:grid;gap:20px}
@media(min-width:1024px){
  .m-card-wide{grid-template-columns:1fr 1fr;align-items:center}
  .span-7{grid-column:span 7}
  .span-5{grid-column:span 5}
  .span-4{grid-column:span 4}
  .span-6{grid-column:span 6}
}
.m-card-wide img{width:100%;height:100%;min-height:210px;object-fit:cover;border-radius:var(--r-md)}
.m-list{display:grid;gap:10px;margin-bottom:16px}
.m-list li{display:flex;gap:10px;font-size:15px;align-items:flex-start;line-height:1.7}
.m-list i{color:var(--mint);font-size:13px;margin-top:7px}
.m-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:#FFF1E8;color:var(--brand);font-size:18px;margin-bottom:16px;
}
.m-icon.mint{background:#E6F7F3;color:var(--mint-deep)}
.m-icon.violet{background:#F0ECFF;color:#5B44CC}
.m-icon.dark{background:var(--dark);color:#FFB98C}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:6px}

/* ---------- 数据区 ---------- */
.dark-band{background:var(--dark);color:#EDE4DE;border-radius:var(--r-lg);padding:34px 26px;position:relative;overflow:hidden}
.dark-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,107,44,.35),transparent 65%);
}
.dark-band .stats{display:grid;gap:20px;grid-template-columns:repeat(2,1fr);position:relative;z-index:2}
@media(min-width:900px){.dark-band .stats{grid-template-columns:repeat(3,1fr)}}
.stat{padding:18px;border-radius:var(--r-md);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12)}
.stat b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;color:#fff;line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:14px;color:rgba(255,255,255,.72)}
.stat .bar{height:6px;border-radius:999px;background:rgba(255,255,255,.14);margin-top:12px;overflow:hidden}
.stat .bar i{display:block;height:100%;border-radius:999px;background:var(--brand-grad)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:2}
.badge-fill{background:var(--brand-grad);color:#fff}
.badge-line{border:1px solid var(--mint);color:#CFF5EC;background:transparent}
.badge-dark{background:#120D0B;color:#EDE4DE;border:1px solid rgba(255,255,255,.14)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600}
.badge b{font-size:18px;font-weight:800}

/* ---------- 对照表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-hint{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:10px 20px;border-bottom:1px solid var(--line);background:var(--cream)}
.cmp-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px;background:#fff}
.cmp-table caption{text-align:left;padding:20px 22px 6px;font-size:18px;font-weight:700;color:var(--ink)}
.cmp-table th{
  text-align:left;padding:14px 18px;font-size:14px;font-weight:700;color:var(--brand-deep);
  background:#FFF1E8;border-bottom:1px solid #FFD9C2;white-space:nowrap;
}
.cmp-table td{padding:15px 18px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.7;color:var(--body-c)}
.cmp-table tbody tr:nth-child(even){background:var(--cream)}
.cmp-table tbody tr:hover{background:#FFF1E8}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td strong{color:var(--ink)}
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700}
.pill-fast{background:#E6F7F3;color:var(--mint-deep)}
.pill-mid{background:#FFF1E8;color:var(--brand-deep)}
.pill-slow{background:#FBE9E4;color:var(--danger)}

/* ---------- CTA / 表单 ---------- */
.cta-card{
  background:var(--dark);color:#EDE4DE;border-radius:var(--r-lg);padding:30px 26px;position:relative;overflow:hidden;
  box-shadow:0 24px 60px rgba(36,28,24,.35);
}
@media(min-width:1024px){.cta-card{padding:40px}}
.cta-card h2,.cta-card h3{color:#fff}
.cta-grid{display:grid;gap:26px}
@media(min-width:1024px){.cta-grid{grid-template-columns:1.05fr 1fr;gap:40px;align-items:start}}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:#EDE4DE;margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.22);color:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.5)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 2px rgba(255,107,44,.45);
}
.field select option{color:var(--ink)}
.why-list{display:grid;gap:12px;margin-top:22px}
.why-list li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.85);align-items:flex-start;line-height:1.7}
.why-list i{color:var(--mint);margin-top:7px;font-size:13px}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item[open]{box-shadow:inset 4px 0 0 0 var(--brand),var(--sh);border-color:#FFD9C2}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--ink);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{
  width:32px;height:32px;flex-shrink:0;border-radius:50%;background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--muted);margin-left:auto;transition:transform .2s ease-out}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-a{padding:0 20px 20px 66px;font-size:15px;line-height:1.9;color:var(--body-c)}
.faq-a p{margin-bottom:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#CBBFB7;margin-top:8px;padding:64px 0 26px}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo .logo-mark{width:36px;height:36px;font-size:18px}
.footer-logo b{color:#fff;font-size:17px;font-weight:800}
.footer-brand p{color:#B8A79E;font-size:15px;max-width:340px;margin-bottom:0}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}
.footer-link{display:block;padding:6px 0;font-size:15px;color:#CBBFB7;transition:color .2s ease-out,transform .2s ease-out}
.footer-link:hover{color:var(--brand);transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:14px;color:#9C8D84;
}

/* ---------- 通用小工具 ---------- */
.grid-3{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:640px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.img-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .22s ease-out,box-shadow .22s ease-out}
.img-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.img-card .cover{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.img-card .body{padding:22px}
.img-card h3{margin-bottom:8px}
.img-card p{font-size:15px;margin-bottom:12px}
.meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}