/* roulang page: index */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --bg-alt:#F4F5F7;
  --dark:#14121A;
  --text:#1B1A22;
  --text-2:#5A5766;
  --text-3:#8E8B99;
  --line:#ECE9F0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 2px 6px rgba(20,18,26,.06);
  --sh-2:0 14px 34px rgba(255,90,46,.14);
  --sh-3:0 10px 30px rgba(20,18,26,.10);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.2px;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:16px;
}
.eyebrow i{font-size:12px;}
.section-title{margin-bottom:14px;}
.section-desc{color:var(--text-2);font-size:16px;max-width:740px;}
.text-brand{color:var(--brand-deep);}

/* ============ 浮动 Dock 导航 ============ */
.site-dock{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 16px;pointer-events:none;}
.dock-inner{
  pointer-events:auto;max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 14px 10px 16px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-3);
  transition:padding var(--ease),box-shadow var(--ease),border-radius var(--ease);
}
.site-dock.is-stuck .dock-inner{padding:6px 12px 6px 14px;box-shadow:0 12px 34px rgba(20,18,26,.16);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 6px 16px rgba(255,90,46,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;font-weight:700;font-size:15px;color:var(--text);}
.logo-text em{font-style:normal;font-size:11px;color:var(--text-3);font-weight:500;letter-spacing:.6px;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:9px 12px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.dock-nav a:hover{color:var(--brand-deep);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand-deep);font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search-btn{
  width:38px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:flex;align-items:center;justify-content:center;
  transition:var(--ease);
}
.dock-search-btn:hover{color:var(--brand-deep);border-color:var(--brand);}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);
}
.dock-search{
  position:absolute;left:16px;right:16px;top:76px;max-width:1080px;margin:0 auto;
  display:none;align-items:center;gap:10px;padding:12px 16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-3);
}
.dock-search.is-open{display:flex;}
.dock-search i{color:var(--text-3);}
.dock-search input{
  flex:1;border:0;outline:none;font-size:15px;background:transparent;color:var(--text);height:28px;
}
.dock-search-hint{font-size:13px;color:var(--text-3);white-space:nowrap;}
.dock-drawer{
  position:fixed;inset:0;z-index:70;background:rgba(20,18,26,.55);
  display:none;padding:88px 16px 20px;
}
.dock-drawer.is-open{display:block;}
.drawer-panel{
  max-width:420px;margin:0 auto;background:#fff;border-radius:24px;padding:22px;
  box-shadow:0 24px 60px rgba(20,18,26,.28);max-height:calc(100vh - 120px);overflow:auto;
}
.drawer-title{font-size:13px;color:var(--text-3);margin-bottom:12px;letter-spacing:.6px;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;background:var(--bg-alt);
  font-size:15px;font-weight:500;color:var(--text);
}
.drawer-nav a i{color:var(--text-3);font-size:13px;}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}

/* ============ 按钮 & 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease),filter var(--ease);
}
.btn i{font-size:14px;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,46,.28);background-size:160% 100%;}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,46,.36);filter:brightness(1.05);background-position:100% 0;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{color:#fff;background:#241f2e;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.14);}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  transition:var(--ease);
}
.badge i{color:var(--cyan);font-size:13px;}
.badge.gold i{color:var(--gold);}
.badge:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--sh-1);}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.tag.cyan{background:rgba(18,194,180,.12);color:#0B8B81;}
.tag.dark{background:rgba(255,255,255,.12);color:#fff;}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:142px 0 76px;}
.hero::before{
  content:"";position:absolute;top:-220px;right:-140px;width:820px;height:620px;
  background:var(--grad);opacity:.10;border-radius:0 0 0 320px;transform:rotate(-7deg);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,90,46,.35) 1px,transparent 1px);
  background-size:24px 24px;opacity:.16;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 68%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:flex;flex-wrap:wrap;align-items:center;gap:48px;}
.hero-copy{flex:1 1 520px;min-width:300px;}
.hero-visual{flex:1 1 420px;min-width:280px;position:relative;}
.hero h1{margin-bottom:20px;}
.hero h1 span{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;overflow-x:auto;padding-bottom:4px;}
.hero-visual img{
  width:100%;border-radius:var(--r-xl);box-shadow:0 24px 60px rgba(20,18,26,.16);
  aspect-ratio:4/3;object-fit:cover;
}
.float-card{
  position:absolute;right:-8px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:14px 18px;box-shadow:var(--sh-3);max-width:290px;
}
.float-card .dot{
  width:10px;height:10px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 5px rgba(18,194,180,.16);flex:0 0 auto;
}
.float-card strong{display:block;font-size:14px;color:var(--text);font-weight:700;}
.float-card span{display:block;font-size:12.5px;color:var(--text-3);line-height:1.5;}

/* ============ 三步上手 ============ */
.steps-wrap{position:relative;}
.steps-line{
  position:absolute;top:34px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,rgba(255,90,46,.35),rgba(18,194,180,.35));
}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;height:100%;box-shadow:var(--sh-1);transition:var(--ease);
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.28);}
.step-num{
  width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.step-card h3{margin-bottom:10px;font-size:19px;}
.step-card p{color:var(--text-2);font-size:15px;margin-bottom:14px;}
.step-link{font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.step-link i{font-size:12px;transition:transform var(--ease);}
.step-link:hover i{transform:translateX(4px);}

/* ============ 通用卡片 ============ */
.ui-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px;height:100%;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;transition:var(--ease);
}
.ui-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.24);}
.card-icon{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.card-icon.cyan{background:rgba(18,194,180,.12);color:#0B8B81;}
.card-icon.gold{background:rgba(255,194,75,.18);color:#B87A00;}
.ui-card h3{margin-bottom:10px;font-size:19px;}
.ui-card p{color:var(--text-2);font-size:15px;margin-bottom:16px;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;}
.card-foot .meta{font-size:12.5px;color:var(--text-3);}
.channel-stat{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;border-radius:14px;background:var(--bg-alt);
  font-size:14px;color:var(--text-2);margin-top:12px;
}
.channel-stat b{color:var(--text);font-variant-numeric:tabular-nums;}

/* ============ 场景案例 ============ */
.case-main{
  display:flex;flex-wrap:wrap;gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);height:100%;
}
.case-main .case-img{flex:1 1 300px;min-height:260px;}
.case-main .case-img img{width:100%;height:100%;object-fit:cover;min-height:260px;}
.case-main .case-body{flex:1 1 320px;padding:30px;}
.case-body h3{font-size:22px;margin:12px 0 12px;}
.case-body p{color:var(--text-2);font-size:15px;}
.case-results{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0;}
.case-source{font-size:12.5px;color:var(--text-3);}
.case-small{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);height:100%;display:flex;flex-direction:column;transition:var(--ease);
}
.case-small:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.case-small .thumb{aspect-ratio:16/10;overflow:hidden;}
.case-small .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
.case-small:hover .thumb img{transform:scale(1.03);}
.case-small .case-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.case-small h3{font-size:18px;margin:10px 0 8px;}
.case-small p{color:var(--text-2);font-size:14.5px;}

/* ============ 深色提示带 ============ */
.dark-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:32px;padding:56px 48px;
}
.dark-band::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:420px;
  background:var(--grad);opacity:.28;border-radius:50%;filter:blur(10px);
}
.dark-band .inner{position:relative;z-index:2;}
.dark-band h2{color:#fff;margin-bottom:14px;}
.dark-band .section-desc{color:rgba(255,255,255,.72);}
.stat-card{
  padding:24px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  height:100%;transition:var(--ease);
}
.stat-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,194,75,.4);}
.stat-num{
  font-size:38px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums;
  background:linear-gradient(112deg,#FFC24B,#FF7A18 60%,#12C2B4);
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:10px;
}
.stat-card h3{color:#fff;font-size:17px;margin-bottom:8px;}
.stat-card p{color:rgba(255,255,255,.68);font-size:14px;margin:0;}

/* ============ 最新信息 ============ */
.news-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.news-head .more-link{font-size:14.5px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-1);transition:var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.24);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#f3f1f6;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{
  font-size:17.5px;margin:12px 0 10px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  color:var(--text-2);font-size:14.5px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.empty-state{
  text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);
  border-radius:var(--r-xl);color:var(--text-2);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state p{font-size:15px;margin-bottom:16px;}

/* ============ FAQ ============ */
.faq-accordion{border:0;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);transition:var(--ease);
}
.faq-accordion .accordion-item:hover{border-color:rgba(255,90,46,.28);}
.faq-accordion .accordion-title{
  background:transparent;border:0;padding:18px 54px 18px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);position:relative;line-height:1.5;
  transition:color var(--ease);
}
.faq-accordion .accordion-title:hover{color:var(--brand-deep);}
.faq-accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-accordion .accordion-content{
  padding:0 22px 20px;border:0;background:transparent;
  color:var(--text-2);font-size:15px;line-height:1.85;
}
.faq-accordion .accordion-content p{margin:0;}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:92px 0;margin-top:8px;
}
.cta-band::before{
  content:"";position:absolute;top:-140px;left:50%;transform:translateX(-50%);
  width:900px;height:520px;background:var(--grad);opacity:.22;border-radius:50%;filter:blur(20px);
}
.cta-band .container{position:relative;z-index:2;text-align:center;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(255,255,255,.74);max-width:640px;margin:0 auto 30px;}
.cta-band .btn-grad{box-shadow:0 18px 44px rgba(255,90,46,.42);}
.cta-trust{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px;}
.cta-trust .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:rgba(255,255,255,.86);}
.cta-trust .badge i{color:var(--gold);}
.cta-trust .badge:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);padding:72px 0 0;}
.footer-grid{row-gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px;margin-bottom:16px;}
.footer-contact{font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-contact span{display:block;margin-bottom:6px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:.4px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);transition:var(--ease);}
.footer-col ul a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1099px){
  .dock-nav,.dock-search-btn{display:none;}
  .dock-toggle{display:flex;align-items:center;justify-content:center;}
  .dock-actions .btn-grad{display:none;}
}
@media (max-width:1023px){
  .section{padding:70px 0;}
  .hero{padding:124px 0 60px;}
  .hero-grid{gap:36px;}
  .steps-line{display:none;}
  .dark-band{padding:44px 28px;border-radius:26px;}
  .cta-band{padding:72px 0;}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  .hero{padding:112px 0 52px;}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 100%;}
  .float-card{position:static;margin-top:16px;max-width:100%;}
  .news-head{align-items:flex-start;flex-direction:column;}
  .site-footer{padding-top:56px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .ui-card,.step-card{padding:22px;}
  .dark-band{padding:34px 20px;}
  .stat-num{font-size:32px;}
  .cta-band .btn-grad{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .ui-card:hover,.news-card:hover,.step-card:hover,.case-small:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --surface-alt:#F4F5F7;
  --dark:#14121A;
  --text:#1B1A22;
  --text-2:#5A5766;
  --text-3:#8E8B99;
  --line:#ECE9F0;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-1:0 2px 6px rgba(20,18,26,.06);
  --shadow-2:0 14px 34px rgba(255,90,46,.14);
  --shadow-dock:0 10px 30px rgba(20,18,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-soft);color:var(--brand-deep);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 浮动 Dock 导航 ============ */
.site-dock{position:sticky;top:0;z-index:80;padding:16px 16px 0;}
.dock-inner{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:20px;padding:10px 14px 10px 18px;
  box-shadow:var(--shadow-dock);transition:padding .25s var(--ease),box-shadow .25s var(--ease);
}
.site-dock.is-stuck .dock-inner{padding-top:6px;padding-bottom:6px;box-shadow:0 14px 36px rgba(20,18,26,.16);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;flex:0 0 auto;
  box-shadow:0 6px 14px rgba(255,90,46,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-weight:700;font-size:15px;color:var(--text);letter-spacing:.2px;}
.logo-text em{font-style:normal;font-weight:500;font-size:11px;color:var(--text-3);letter-spacing:1px;}
.dock-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1 1 auto;min-width:0;}
.dock-nav a{
  position:relative;padding:8px 10px;font-size:13.5px;color:var(--text-2);
  border-radius:999px;white-space:nowrap;transition:.22s var(--ease);
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--text);font-weight:600;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:10px;right:10px;bottom:1px;height:3px;border-radius:99px;background:var(--grad);
}
.dock-nav .drawer-cta{display:none;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-search-btn{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--text-2);cursor:pointer;transition:.22s var(--ease);
}
.dock-search-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);cursor:pointer;align-items:center;justify-content:center;
}
.dock-search{
  max-width:1080px;margin:10px auto 0;display:none;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:10px 16px;
  box-shadow:var(--shadow-1);color:var(--text-3);
}
.site-dock.search-open .dock-search{display:flex;}
.dock-search input{
  flex:1;border:0;background:transparent;padding:6px 0;font-size:14.5px;color:var(--text);outline:none;
}
.dock-search-hint{font-size:12.5px;color:var(--text-3);white-space:nowrap;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;padding:13px 26px;font-size:15px;font-weight:600;
  cursor:pointer;transition:.25s var(--ease);text-align:center;line-height:1.2;
}
.btn-grad{background:var(--grad);background-size:170% 100%;color:#fff;box-shadow:0 8px 20px rgba(255,90,46,.24);}
.btn-grad:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,46,.34);}
.btn-grad:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.16);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.btn-light{background:#fff;color:var(--dark);}
.btn-light:hover{background:var(--gold);color:var(--dark);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-deep);
}
.tag-cyan{background:rgba(18,194,180,.12);color:#0B8F85;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section-alt{background:var(--surface-alt);}
.section-white{background:var(--surface);}
.section-head{max-width:740px;margin-bottom:34px;}
.section-head h2{
  position:relative;font-size:clamp(24px,2.6vw,34px);line-height:1.3;color:var(--text);
  padding-left:18px;margin-bottom:12px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:5px;border-radius:99px;background:var(--grad);
}
.section-head p{font-size:15.5px;color:var(--text-2);}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;margin:30px 0 20px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 18px;
  font-size:13px;color:var(--text-3);max-width:100%;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFCBD8;}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章主区 ============ */
.page-main{padding-bottom:20px;}
.article-layout{padding-bottom:8px;}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(22px,3vw,42px);box-shadow:var(--shadow-1);
}
.article-head .tag{margin-bottom:16px;}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;color:var(--text);font-weight:700;letter-spacing:.2px;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:22px;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--cyan);}

/* 正文排版 */
.article-body{max-width:740px;font-size:17px;line-height:1.9;color:var(--text-2);padding-top:26px;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,25px);line-height:1.45;color:var(--text);
  margin:44px 0 16px;padding-left:16px;scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:99px;background:var(--grad);
}
.article-body h3{font-size:19px;line-height:1.5;color:var(--text);margin:30px 0 12px;}
.article-body h4{font-size:17px;color:var(--text);margin:24px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body strong{color:var(--text);font-weight:600;}
.article-body a{
  color:var(--brand-deep);
  text-decoration:underline;
  text-decoration-color:rgba(18,194,180,.65);
  text-underline-offset:4px;
}
.article-body a:hover{color:var(--brand);text-decoration-color:var(--brand);}
.article-body ul,.article-body ol{margin:0 0 20px;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.74em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.article-body ol{counter-reset:olnum;}
.article-body ol li{position:relative;padding-left:34px;margin-bottom:12px;counter-increment:olnum;}
.article-body ol li::before{
  content:counter(olnum);position:absolute;left:0;top:.22em;width:22px;height:22px;border-radius:7px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:18px 24px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 16px 16px 0;color:var(--text);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:26px auto;border-radius:18px;box-shadow:var(--shadow-1);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:14px;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body th{background:var(--surface-alt);color:var(--text);font-weight:600;}
.article-body code{
  background:var(--surface-alt);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-deep);
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:34px 0;}

/* 空态 */
.empty-state{text-align:center;padding:64px 20px 56px;}
.empty-state i{font-size:44px;color:var(--brand);opacity:.7;}
.empty-state h2{font-size:23px;margin:18px 0 10px;color:var(--text);}
.empty-state p{font-size:15px;color:var(--text-3);max-width:420px;margin:0 auto 24px;}

/* 上一篇 / 下一篇 */
.article-foot{
  margin-top:42px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.article-foot .nav-pair{display:flex;flex-wrap:wrap;gap:10px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--text-2);transition:.22s var(--ease);
}
.pill-link:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}

/* ============ 侧栏 ============ */
.side-sticky{position:sticky;top:104px;}
.side-box{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-box h3{
  font-size:15px;color:var(--text);font-weight:700;display:flex;align-items:center;gap:8px;
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.side-box h3 i{color:var(--brand);}
.toc-list{max-height:340px;overflow:auto;scrollbar-width:thin;}
.toc-list a{
  display:block;padding:8px 12px;font-size:13.5px;color:var(--text-2);line-height:1.5;
  border-left:2px solid var(--line);border-radius:0 10px 10px 0;transition:.2s var(--ease);
}
.toc-list a:hover{color:var(--brand);background:var(--brand-soft);}
.toc-list a.is-current{color:var(--brand-deep);border-left-color:var(--brand);background:var(--brand-soft);font-weight:600;}
.side-note{font-size:12.5px;color:var(--text-3);margin-top:10px;line-height:1.7;}
.related-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);}
.related-item:last-child{border-bottom:0;padding-bottom:0;}
.related-item img{width:76px;height:56px;object-fit:cover;border-radius:12px;flex:0 0 auto;}
.related-item a{font-size:14px;color:var(--text);line-height:1.5;display:block;margin-bottom:4px;}
.related-item a:hover{color:var(--brand);}
.related-item time{font-size:12px;color:var(--text-3);}
.side-cta{
  background:var(--dark);border-radius:var(--radius-md);padding:22px;color:#fff;text-align:center;
  background-image:radial-gradient(circle at 85% 10%,rgba(255,90,46,.35),transparent 55%);
}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.72);margin:8px 0 16px;}
.side-cta strong{font-size:16px;display:block;}

/* ============ 相关推荐（正文下方） ============ */
.rec-grid{display:grid;gap:20px;grid-template-columns:repeat(3,minmax(0,1fr));}
.rec-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:.25s var(--ease);display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,46,.35);}
.rec-card img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.rec-card:hover img{transform:scale(1.03);}
.rec-card .rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-card h3{font-size:16.5px;line-height:1.5;color:var(--text);}
.rec-card p{font-size:13.5px;color:var(--text-3);line-height:1.7;}
.rec-card .rec-time{font-size:12px;color:var(--text-3);margin-top:auto;display:flex;align-items:center;gap:6px;}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--dark);color:#fff;border-radius:28px;padding:clamp(34px,4vw,58px) clamp(24px,4vw,56px);text-align:center;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;background:var(--grad);opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.5),transparent 68%);top:-190px;right:-120px;
}
.cta-inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(23px,2.6vw,32px);line-height:1.35;margin-bottom:12px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.75);max-width:560px;margin:0 auto 26px;}
.cta-badges{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;border-radius:999px;
  font-size:12.5px;font-weight:600;font-variant-numeric:tabular-nums;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.9);background:rgba(255,255,255,.06);
}
.badge i{color:var(--cyan);}
.badge-gold i{color:var(--gold);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#fff;margin-top:96px;padding:66px 0 0;}
.footer-grid{row-gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--cyan);margin-right:6px;}
.footer-col h4{font-size:14px;font-weight:600;margin-bottom:16px;color:#fff;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .dock-nav{
    position:fixed;inset:0;margin:0;display:none;flex-direction:column;align-items:stretch;
    justify-content:flex-start;gap:4px;background:rgba(255,255,255,.98);
    padding:96px 26px 34px;overflow-y:auto;z-index:-1;
  }
  .site-dock.nav-open .dock-nav{display:flex;}
  .dock-nav a{font-size:17px;padding:15px 6px;border-bottom:1px solid var(--line);border-radius:0;white-space:normal;}
  .dock-nav a.is-active::after{left:6px;right:auto;width:30px;bottom:6px;}
  .dock-nav .drawer-cta{
    display:inline-flex;justify-content:center;margin-top:22px;border:0;border-radius:999px;
    background:var(--grad);color:#fff;font-weight:600;padding:14px 22px;
  }
  .dock-nav .drawer-cta::after{display:none;}
  .dock-toggle{display:inline-flex;position:relative;z-index:90;}
  .dock-actions .btn-grad{display:none;}
  .side-sticky{position:static;margin-top:26px;}
  .section{padding:64px 0;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .site-dock{padding:12px 12px 0;}
  .dock-inner{gap:10px;padding:9px 10px 9px 14px;border-radius:18px;}
  .logo-text{font-size:14px;}
  .article-body{font-size:16px;}
  .rec-grid{grid-template-columns:1fr;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-bottom{flex-direction:column;}
  .breadcrumb .current{max-width:170px;}
}
@media (max-width:520px){
  .section{padding:52px 0;}
  .logo-text{font-size:13.5px;}
  .logo-text em{display:none;}
  .cta-band{border-radius:22px;}
  .article-card{padding:20px 16px;}
  .btn{padding:12px 20px;font-size:14px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .rec-card:hover{transform:none;}
  .rec-card:hover img{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --surface-alt:#F4F5F7;
  --dark:#14121A;
  --text:#1B1A22;
  --text-2:#5A5766;
  --text-3:#8E8B99;
  --line:#ECE9F0;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-card:0 2px 6px rgba(20,18,26,.06);
  --shadow-hover:0 14px 34px rgba(255,90,46,.14);
  --shadow-dock:0 10px 30px rgba(20,18,26,.10);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
}
*,*::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","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
p{margin:0 0 16px;max-width:740px;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
ul,ol{margin:0 0 16px;padding-left:0;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,61,110,.22);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,61,110,.30);filter:brightness(1.05);}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(255,90,46,.45);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);transform:translateY(-2px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#241f30;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.12);}
.btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  white-space:nowrap;
}
.badge i{font-size:12px;}
.badge-cyan{border-color:rgba(18,194,180,.4);color:#0e8b81;background:rgba(18,194,180,.08);}
.badge-gold{border-color:rgba(255,194,75,.55);color:#a3700d;background:rgba(255,194,75,.12);}
.badge-brand{border-color:rgba(255,90,46,.35);color:var(--brand-deep);background:var(--brand-soft);}
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}

/* ============ 浮动 Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-dock);
  transition:padding var(--ease),box-shadow var(--ease),background var(--ease);
}
.dock-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 18px;
  transition:padding var(--ease);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;box-shadow:0 6px 14px rgba(255,61,110,.28);
}
.logo-text{
  display:flex;flex-direction:column;line-height:1.15;
  font-size:15px;font-weight:700;color:var(--text);
}
.logo-text em{
  font-style:normal;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.04em;
}
.dock-nav{
  display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;
}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand-deep);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.dock-search-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.dock-search-btn:hover{color:var(--brand);border-color:rgba(255,90,46,.4);background:var(--brand-soft);}
.dock-toggle{
  display:none;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text);
  cursor:pointer;font-size:15px;
}
.site-dock.is-stuck{box-shadow:0 14px 40px rgba(20,18,26,.16);background:rgba(255,255,255,.98);}
.site-dock.is-stuck .dock-inner{padding:8px 16px;}
.dock-search{
  display:none;align-items:center;gap:10px;
  padding:12px 20px;border-top:1px solid var(--line);
}
.dock-search.is-open{display:flex;}
.dock-search i{color:var(--text-3);font-size:14px;}
.dock-search input{
  flex:1;border:none;outline:none;background:transparent;
  font-size:14px;color:var(--text);padding:6px 0;
}
.dock-search-hint{font-size:12px;color:var(--text-3);white-space:nowrap;}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;display:none;
}
.mobile-drawer.is-open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(20,18,26,.5);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#fff;padding:24px 22px;display:flex;flex-direction:column;gap:6px;
  box-shadow:-12px 0 40px rgba(20,18,26,.18);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  overflow-y:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text);cursor:pointer;
}
.drawer-panel a.drawer-link{
  padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-panel a.drawer-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-panel a.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;border-color:rgba(255,90,46,.25);}
.drawer-cta{margin-top:auto;padding-top:18px;}

/* ============ 迷你 Hero ============ */
main{padding-top:104px;}
.mini-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:#fff;
}
.mini-hero::before{
  content:"";position:absolute;inset:0;
  background:var(--grad);opacity:.06;
}
.mini-hero::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;
  border-radius:50%;background:var(--grad);opacity:.10;filter:blur(10px);
}
.mini-hero .hero-inner{
  position:relative;z-index:2;
  padding:34px 0 38px;
}
.breadcrumb{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--surface-alt);border-radius:999px;
  padding:6px 16px;font-size:13px;color:var(--text-2);margin-bottom:16px;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:var(--text-3);}
.mini-hero h1{max-width:900px;}
.mini-hero .hero-sub{
  margin:14px 0 20px;font-size:17px;color:var(--text-2);max-width:760px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ============ 内容布局 ============ */
.layout-wrap{padding:56px 0 72px;}
.layout-grid{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;}

/* 左侧锚点目录 */
.toc-col{position:sticky;top:104px;}
.toc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-card);
}
.toc-title{
  display:flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--text);
  margin:0 0 14px;padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.toc-title i{color:var(--brand);}
.toc ul{list-style:none;margin:0;padding:0;}
.toc li{margin-bottom:4px;}
.toc a{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);border-left:3px solid transparent;
  transition:all var(--ease);
}
.toc a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.toc a.is-current{
  background:var(--brand-soft);color:var(--brand-deep);font-weight:700;
  border-left-color:var(--brand);
}
.toc-tip{
  margin-top:16px;padding:16px;border-radius:var(--radius-sm);
  background:var(--surface-alt);
}
.toc-tip p{font-size:13px;color:var(--text-2);margin:10px 0 0;line-height:1.7;}

/* 右侧长文 */
.content-col{min-width:0;}
.content-section{margin-bottom:56px;scroll-margin-top:120px;}
.section-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:18px;}
.section-num{
  flex-shrink:0;width:44px;height:44px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;
}
.content-section h2{font-size:clamp(21px,2.2vw,27px);}
.content-section h2::before{
  content:"";display:block;width:44px;height:4px;border-radius:4px;
  background:var(--grad);margin-bottom:12px;
}
.content-section p{color:var(--text-2);}
.content-section strong{color:var(--text);}
.point-list{list-style:none;margin:0 0 18px;padding:0;}
.point-list li{
  position:relative;padding:10px 0 10px 30px;
  font-size:15px;color:var(--text-2);border-bottom:1px dashed var(--line);
}
.point-list li:last-child{border-bottom:none;}
.point-list li::before{
  content:"";position:absolute;left:8px;top:20px;
  width:8px;height:8px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 0 4px rgba(18,194,180,.14);
}
.note-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:var(--radius-sm);padding:18px 20px;margin:22px 0;
}
.note-card i{color:var(--brand);font-size:18px;margin-top:4px;}
.note-card p{margin:0;font-size:15px;color:var(--text-2);}
.figure-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);margin:24px 0;
}
.figure-card img{width:100%;height:auto;border-radius:0;}
.figure-card figcaption{
  padding:12px 20px;font-size:13px;color:var(--text-3);text-align:center;
  border-top:1px solid var(--line);
}

/* 步骤流 */
.step-flow{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin:24px 0;
}
.step-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-idx{
  width:34px;height:34px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  margin-bottom:12px;
}
.step-item h3{font-size:17px;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--text-2);margin:0;}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:26px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.scene-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform var(--ease);}
.scene-card:hover img{transform:scale(1.03);}
.scene-body{padding:20px 22px 24px;}
.scene-body h3{font-size:17px;margin:10px 0 8px;}
.scene-body p{font-size:14px;color:var(--text-2);margin:0;}

/* 指标条 */
.metric-strip{
  background:var(--dark);border-radius:var(--radius-lg);
  padding:32px 28px;margin:56px 0;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;
}
.metric-item{color:#fff;text-align:center;}
.metric-item i{font-size:20px;color:var(--gold);margin-bottom:10px;display:block;}
.metric-item strong{
  display:block;font-size:22px;font-weight:700;letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
}
.metric-item span{font-size:13px;color:rgba(255,255,255,.68);}

/* FAQ */
.faq-block{scroll-margin-top:120px;}
.faq-accordion{border:none;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-md);
  background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);
  border:none;background:#fff;line-height:1.5;
}
.faq-accordion .accordion-title:hover{background:var(--brand-soft);color:var(--brand-deep);}
.faq-accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  order:2;font-size:13px;color:var(--brand);transition:transform var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-accordion .accordion-content{
  border:none;padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.8;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* 相关内容位 */
.related-block{margin-top:8px;}
.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:22px;}
.related-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.related-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,46,.3);}
.related-item h3{font-size:16px;margin:10px 0 8px;}
.related-item p{font-size:13px;color:var(--text-3);margin:0;}

/* CTA 通栏 */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);border-radius:var(--radius-lg);
  padding:56px 32px;text-align:center;margin:72px 0 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;background:var(--grad);opacity:.16;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.76);max-width:620px;margin:0 auto 26px;}
.cta-trust{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:22px;}
.cta-trust .badge{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:rgba(255,255,255,.86);}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0 0;}
.footer-grid{padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--cyan);margin-right:8px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.48);
}
.section-lead{font-size:16px;color:var(--text-2);margin-bottom:20px;max-width:720px;}
.section-title-plain{margin-bottom:8px;}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .layout-grid{grid-template-columns:230px minmax(0,1fr);gap:32px;}
}
@media screen and (max-width:1023px){
  .dock-nav{display:none;}
  .dock-toggle{display:flex;align-items:center;justify-content:center;}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .toc-col{position:static;top:auto;}
  .toc ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;}
  .toc li{margin:0;flex:0 0 auto;}
  .toc a{white-space:nowrap;border-left:none;background:var(--surface-alt);}
  .scene-grid,.related-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .step-flow{grid-template-columns:minmax(0,1fr);}
}
@media screen and (max-width:640px){
  .container{padding:0 18px;}
  main{padding-top:96px;}
  .site-dock{top:10px;width:calc(100% - 20px);}
  .dock-inner{padding:10px 14px;gap:10px;}
  .logo-text{font-size:14px;}
  .logo-text em{display:none;}
  .mini-hero .hero-inner{padding:26px 0 30px;}
  .mini-hero .hero-sub{font-size:15px;}
  .layout-wrap{padding:40px 0 56px;}
  .content-section{margin-bottom:44px;}
  .scene-grid,.related-list{grid-template-columns:minmax(0,1fr);}
  .metric-strip{padding:26px 20px;}
  .cta-band{padding:40px 20px;border-radius:20px;}
  .faq-accordion .accordion-title{font-size:16px;padding:16px 18px;}
  .faq-accordion .accordion-content{padding:0 18px 18px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .scene-card:hover img{transform:none;}
  .btn:hover,.step-item:hover,.scene-card:hover,.related-item:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --alt:#F4F5F7;
  --dark:#14121A;
  --ink:#1B1A22;
  --ink-2:#5A5766;
  --ink-3:#8E8B99;
  --line:#ECE9F0;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --shadow-1:0 2px 6px rgba(20,18,26,.06);
  --shadow-2:0 14px 34px rgba(255,90,46,.14);
  --shadow-dock:0 10px 30px rgba(20,18,26,.10);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --ease:.25s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.page-main{padding-top:112px}

/* ============ Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  z-index:120;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--shadow-dock);
  transition:padding var(--ease),box-shadow var(--ease),top var(--ease);
}
.site-dock.is-stuck{top:10px;box-shadow:0 14px 36px rgba(20,18,26,.16)}
.dock-inner{display:flex;align-items:center;gap:14px;padding:12px 18px;transition:padding var(--ease)}
.site-dock.is-stuck .dock-inner{padding:8px 16px}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:15px;
  box-shadow:0 6px 16px rgba(255,61,110,.32);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;font-size:15px;font-weight:700;line-height:1.18;color:var(--ink)}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--ink-3);letter-spacing:.06em}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.is-active{color:var(--brand);font-weight:600}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-search-btn{
  width:38px;height:38px;border-radius:50%;color:var(--ink-2);
  display:grid;place-items:center;border:1px solid var(--line);background:#fff;transition:all var(--ease);
}
.dock-search-btn:hover{color:var(--brand);border-color:var(--brand);box-shadow:0 6px 18px rgba(255,90,46,.16)}
.dock-toggle{display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px}
.dock-search{
  display:none;align-items:center;gap:10px;
  margin:0 18px 14px;padding:10px 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
}
.dock-search.is-open{display:flex}
.dock-search i{color:var(--ink-3)}
.dock-search input{flex:1;border:0;outline:none;font-size:14px;color:var(--ink);background:transparent}
.dock-search-hint{font-size:12px;color:var(--ink-3);white-space:nowrap}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:all var(--ease);border:1px solid transparent;line-height:1.2;white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,61,110,.26)}
.btn-grad:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,61,110,.34)}
.btn-grad:active{transform:translateY(0);box-shadow:inset 0 3px 8px rgba(0,0,0,.18)}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.12)}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.24);border-color:#fff}
.btn-outline{border-color:var(--line);color:var(--ink);background:#fff}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);box-shadow:0 10px 24px rgba(255,90,46,.14)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{color:#fff;background:#241f30;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--alt)}
.section-white{background:#fff}
.section-dark{background:var(--dark);color:#fff}
.section-head{max-width:740px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:16px;color:var(--ink-2);max-width:740px;font-size:15.5px}
.section-dark .section-head p{color:#B9B6C2}

/* ============ 面包屑 ============ */
.crumb{
  display:inline-flex;align-items:center;gap:8px;flex-wrap:wrap;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3);
  border-radius:999px;padding:7px 16px;font-size:13px;color:rgba(255,255,255,.92);
}
.crumb a{color:rgba(255,255,255,.92)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span.sep{opacity:.6}

/* ============ 迷你 Hero ============ */
.hero-mini{
  position:relative;margin-top:8px;border-radius:var(--r-lg);overflow:hidden;
  min-height:300px;max-height:320px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-mini::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(255,122,24,.93) 0%,rgba(255,61,110,.88) 55%,rgba(122,59,240,.80) 100%);
}
.hero-mini::after{
  content:"";position:absolute;inset:0;opacity:.08;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:16px 16px;
}
.hero-mini .hero-body{position:relative;z-index:2;padding:44px 40px;width:100%;color:#fff}
.hero-mini h1{font-size:clamp(26px,3.4vw,40px);margin:16px 0 12px;max-width:760px}
.hero-mini .hero-sub{font-size:16px;color:rgba(255,255,255,.94);max-width:660px}
.hero-mini .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-mini .hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:#fff;color:var(--ink-2);border:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.badge i{color:var(--cyan)}
.badge-gold{border-color:rgba(255,194,75,.6);background:rgba(255,194,75,.14);color:#8a5a00}
.badge-gold i{color:#C98A00}
.badge-soft{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(255,90,46,.24)}
.badge-glass{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.36);color:#fff}
.badge-glass i{color:var(--gold)}

/* ============ 数据卡条 ============ */
.metric-grid{margin-top:8px}
.metric-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--shadow-1);transition:all var(--ease);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(255,90,46,.24)}
.metric-card .metric-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;margin-bottom:14px;
}
.metric-card h3{font-size:17px;margin-bottom:8px}
.metric-card p{font-size:14px;color:var(--ink-2);line-height:1.75}
.metric-card .metric-kv{
  margin-top:14px;font-size:13px;font-weight:700;color:var(--cyan);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}

/* ============ 卡片网格 ============ */
.card-grid{margin-top:8px}
.plat-card{
  height:100%;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-1);transition:all var(--ease);
}
.plat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.plat-card .card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.plat-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.plat-card:hover .card-media img{transform:scale(1.03)}
.plat-card .card-media .tag{
  position:absolute;left:14px;top:14px;background:rgba(20,18,26,.72);color:#fff;
  border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;
}
.plat-card .card-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.plat-card h3{font-size:19px}
.plat-card p{font-size:14.5px;color:var(--ink-2);line-height:1.78}
.plat-card .card-foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.plat-card .card-foot .link{color:var(--brand);font-weight:600}
.plat-card .card-foot .link:hover{text-decoration:underline}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:8px;position:relative}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:all var(--ease);position:relative;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.step .step-no{
  font-size:26px;font-weight:700;color:transparent;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}
.step::after{
  content:"";position:absolute;right:-11px;top:46px;width:18px;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(255,90,46,.2));
}
.step:last-child::after{display:none}

/* ============ 深色自检区块 ============ */
.check-grid{margin-top:8px}
.check-item{
  height:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:24px;transition:all var(--ease);
}
.check-item:hover{background:rgba(255,255,255,.09);border-color:rgba(255,194,75,.5);transform:translateY(-3px)}
.check-item h3{font-size:17px;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:10px}
.check-item h3 i{color:var(--gold)}
.check-item p{font-size:14.5px;color:#B9B6C2;line-height:1.78}
.dark-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.dark-stat strong{
  display:block;font-size:26px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.dark-stat span{font-size:13px;color:#8E8B99}

/* ============ 清单 ============ */
.list-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 32px;box-shadow:var(--shadow-1);
}
.list-panel h3{font-size:19px;margin-bottom:16px}
.tick-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-2);line-height:1.75;
}
.tick-list li:last-child{border-bottom:0}
.tick-list li i{color:var(--cyan);margin-top:6px;flex:0 0 auto}
.tick-list li strong{color:var(--ink);font-weight:600}

/* ============ FAQ ============ */
.faq-grid{margin-top:8px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(255,90,46,.3);box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q .faq-ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12px;transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-ico{background:var(--grad);color:#fff;transform:rotate(135deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--ease)}
.faq-a .faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--grad);color:#fff;text-align:center;
  padding:64px 32px;margin:0 auto 96px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.1;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:18px 18px;
}
.cta-band .cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);margin-bottom:14px}
.cta-band p{font-size:16px;color:rgba(255,255,255,.94)}
.cta-band .cta-actions{margin:26px 0 20px;display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-trust{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9B6C2;padding:72px 0 28px}
.footer-grid{margin-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text em{color:#8E8B99}
.footer-desc{font-size:14px;line-height:1.85;color:#8E8B99;max-width:320px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#8E8B99}
.footer-contact i{color:var(--brand);margin-right:8px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#B9B6C2}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#8E8B99;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .page-main{padding-top:100px}
  .dock-nav{
    position:fixed;left:16px;right:16px;top:88px;bottom:16px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:22px;
    box-shadow:0 24px 48px rgba(20,18,26,.18);
    padding:18px;overflow-y:auto;display:none;
  }
  .dock-nav.is-open{display:flex}
  .dock-nav a{padding:14px 16px;font-size:16px;border-radius:14px}
  .dock-nav a.is-active::after{display:none}
  .dock-nav a.is-active{background:var(--brand-soft)}
  .dock-toggle{display:grid;place-items:center}
  .dock-search-btn{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .page-main{padding-top:92px}
  .section{padding:56px 0}
  .hero-mini{max-height:none;min-height:0}
  .hero-mini .hero-body{padding:32px 22px}
  .hero-mini h1{font-size:24px}
  .cta-band{padding:44px 20px;margin-bottom:64px}
  .footer-grid{margin-bottom:32px}
  .footer-bottom{flex-direction:column;gap:6px}
  .dark-stats{gap:20px}
}
@media (max-width:639px){
  .steps{grid-template-columns:1fr}
  .list-panel{padding:24px 20px}
  .logo-text{font-size:13.5px}
  .logo-text em{font-size:10px}
  .btn{padding:12px 20px;font-size:14px}
  .metric-card,.plat-card .card-body{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .plat-card:hover,.metric-card:hover,.step:hover,.check-item:hover{transform:none}
  .plat-card:hover .card-media img{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --teal:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --bg-alt:#F4F5F7;
  --dark:#14121A;
  --dark-2:#1E1B26;
  --text:#1B1A22;
  --text-2:#5A5766;
  --text-3:#8E8B99;
  --line:#ECE9F0;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 2px 6px rgba(20,18,26,.06);
  --sh-2:0 14px 34px rgba(255,90,46,.14);
  --sh-3:0 10px 30px rgba(20,18,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:radial-gradient(rgba(255,90,46,.055) 1px, transparent 1px);
  background-size:24px 24px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ Dock 导航 ============ */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:95;
}
.dock-inner{
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-3);
  transition:padding .25s var(--ease),box-shadow .25s var(--ease);
}
.site-dock.is-stuck .dock-inner{padding:7px 12px 7px 16px;box-shadow:0 14px 40px rgba(20,18,26,.14);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 6px 16px rgba(255,61,110,.32);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.2;color:var(--text);white-space:nowrap;}
.logo-text em{font-style:normal;font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.08em;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;padding:8px 10px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand);}
.dock-nav a.is-active::after{
  content:'';position:absolute;left:10px;right:10px;bottom:1px;height:2px;
  border-radius:2px;background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-search-btn{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:grid;place-items:center;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.dock-search-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);}
.dock-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:none;place-items:center;
}
.dock-search{
  display:none;align-items:center;gap:12px;margin-top:10px;padding:10px 18px;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-3);
}
.dock-search.is-open{display:flex;}
.dock-search i{color:var(--brand);}
.dock-search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;padding:6px 0;}
.dock-search-hint{font-size:12.5px;color:var(--text-3);white-space:nowrap;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.btn-grad{
  background-image:var(--grad);background-size:160% 100%;background-position:0 0;
  color:#fff;box-shadow:0 10px 24px rgba(255,90,46,.28);
}
.btn-grad:hover{transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 34px rgba(255,90,46,.36);color:#fff;}
.btn-line{border-color:var(--line);background:#fff;color:var(--text);}
.btn-line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.14);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.24);border-color:#fff;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn-lg{padding:16px 34px;font-size:16px;}

/* ============ 迷你 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:46px 0 54px;
  background-image:var(--grad);
}
.page-hero::before{
  content:'';position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.2;mix-blend-mode:overlay;
}
.page-hero::after{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:18px 18px;opacity:.7;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:rgba(255,255,255,.92);margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span{opacity:.55;}
.crumb em{font-style:normal;font-weight:700;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  background:rgba(255,255,255,.9);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.page-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);line-height:1.2;
  max-width:820px;margin-bottom:16px;
  text-shadow:0 4px 18px rgba(20,18,26,.16);
}
.hero-sub{color:rgba(255,255,255,.92);font-size:16.5px;line-height:1.85;max-width:720px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-badges{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.hero-badges::-webkit-scrollbar{display:none;}
.badge{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.38);
  color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.badge i{color:var(--gold);}

/* ============ 板块 ============ */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.sec-head h2{
  position:relative;padding-left:16px;margin-bottom:14px;
  font-size:clamp(24px,2.6vw,34px);
}
.sec-head h2::before{
  content:'';position:absolute;left:0;top:.16em;bottom:.16em;width:5px;
  border-radius:3px;background:var(--grad);
}
.sec-desc{color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding:10px 0;}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;
  transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(255,122,24,.08),#FF7A18 12%,#FF3D6E 55%,#12C2B4 92%,rgba(18,194,180,.08));
}
.tl-item{
  display:grid;grid-template-columns:1fr 96px 1fr;
  align-items:center;margin-bottom:28px;
}
.tl-item:last-child{margin-bottom:0;}
.tl-item .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:3;}
.tl-node{grid-column:2;display:grid;place-items:center;}
.tl-node span{
  width:56px;height:56px;border-radius:50%;
  background-image:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px var(--bg),0 10px 22px rgba(255,61,110,.28);
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9C9;}
.tl-tag{
  display:inline-block;padding:4px 12px;border-radius:999px;margin-bottom:12px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{color:var(--text-2);font-size:15px;line-height:1.85;margin-bottom:14px;}
.tl-points{display:flex;flex-direction:column;gap:6px;}
.tl-points li{display:flex;align-items:flex-start;gap:8px;font-size:13.5px;color:var(--text-3);}
.tl-points i{color:var(--teal);font-size:12px;margin-top:5px;flex:0 0 auto;}

/* ============ 图文横条 ============ */
.feature-band{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.feature-media img{border-radius:var(--r-md);width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);margin-bottom:14px;}
.feature-body > p{color:var(--text-2);font-size:15px;margin-bottom:20px;}
.feature-list{display:flex;flex-direction:column;gap:14px;}
.feature-list li{display:flex;gap:12px;align-items:flex-start;}
.feature-list .fl-ico{
  width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:14px;
}
.feature-list strong{display:block;font-size:15px;font-weight:700;margin-bottom:2px;}
.feature-list span{font-size:13.5px;color:var(--text-2);line-height:1.7;}

/* ============ 深色区块 ============ */
.section-dark{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--dark);
  background-image:radial-gradient(circle at 12% 18%,rgba(255,90,46,.28),transparent 46%),
                   radial-gradient(circle at 88% 76%,rgba(18,194,180,.24),transparent 44%);
}
.sec-head-light h2,
.sec-head-light .sec-desc{color:#fff;}
.sec-head-light .sec-desc{color:rgba(255,255,255,.74);}
.sec-head-light .sec-kicker{background:rgba(255,255,255,.12);color:#FFD9C9;}
.stats-row{margin-top:8px;}
.stat-card{
  height:100%;padding:26px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:transform .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.11);border-color:rgba(255,194,75,.5);}
.stat-icon{
  width:44px;height:44px;border-radius:14px;margin-bottom:18px;
  background-image:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;
  box-shadow:0 8px 20px rgba(255,61,110,.3);
}
.stat-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.stat-card p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.8;margin:0;}

/* ============ 场景卡 ============ */
.scene-card{
  height:100%;display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9C9;}
.scene-ico{
  width:42px;height:42px;border-radius:13px;
  background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:16px;
}
.scene-card h3{font-size:17.5px;}
.scene-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;}
.scene-note{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);display:flex;gap:8px;align-items:flex-start;
}
.scene-note i{color:var(--teal);margin-top:5px;font-size:11px;flex:0 0 auto;}

/* ============ FAQ ============ */
.faq-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 2px;background:none;border:0;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q i{color:var(--brand);font-size:14px;flex:0 0 auto;transition:transform .25s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--brand-deep);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{padding:0 2px 20px;color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;
  margin:0 0 96px;
  padding:72px 0;
  background-image:var(--grad);
  color:#fff;text-align:center;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px, transparent 1px);
  background-size:20px 20px;opacity:.6;
}
.cta-band .container{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.cta-band > .container > p{
  color:rgba(255,255,255,.9);font-size:15.5px;max-width:640px;margin:0 auto 28px;
}
.cta-trust{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:26px;
}
.cta-trust span{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);color:#fff;
}
.cta-trust i{color:var(--gold);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 0;font-size:14px;
}
.footer-grid{margin-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{color:rgba(255,255,255,.66);font-size:14px;line-height:1.85;margin-bottom:18px;max-width:320px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand);margin-right:8px;}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .dock-nav{
    position:fixed;top:calc(16px + 70px);left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--sh-3);
    display:none;max-height:calc(100vh - 140px);overflow:auto;margin-left:0;
  }
  .dock-nav.is-open{display:flex;}
  .dock-nav a{padding:12px 14px;font-size:15px;border-radius:12px;}
  .dock-nav a.is-active{background:var(--brand-soft);}
  .dock-nav a.is-active::after{display:none;}
  .dock-toggle{display:grid;}
  .dock-actions .btn-sm{display:none;}
}
@media (max-width:960px){
  .feature-band{grid-template-columns:1fr;gap:28px;padding:24px;}
  .feature-media{order:-1;}
  .faq-list{grid-template-columns:1fr;}
}
@media (max-width:860px){
  body{padding-top:86px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .timeline::before{left:28px;transform:translateX(-1px);}
  .tl-item{grid-template-columns:56px 1fr;gap:16px;margin-bottom:20px;}
  .tl-item .tl-node{grid-column:1;justify-self:center;}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:2;}
  .tl-node span{width:48px;height:48px;font-size:14px;box-shadow:0 0 0 5px var(--bg),0 8px 18px rgba(255,61,110,.26);}
  .tl-card{padding:20px 20px;}
  .page-hero{padding:34px 0 42px;}
  .hero-sub{font-size:15.5px;}
  .cta-band{padding:56px 0;margin-bottom:64px;}
  .container{padding:0 18px;}
}
@media (max-width:520px){
  .logo-text{font-size:13.5px;}
  .logo-text em{font-size:10px;}
  .dock-inner{gap:10px;padding:9px 10px 9px 14px;}
  .hero-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .tl-card:hover,.scene-card:hover,.stat-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category4 */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --card:#FFFFFF;
  --alt:#F4F5F7;
  --dark:#14121A;
  --text:#1B1A22;
  --text-2:#5A5766;
  --text-3:#8E8B99;
  --line:#ECE9F0;
  --r-xl:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 2px 6px rgba(20,18,26,.06);
  --sh-2:0 14px 34px rgba(255,90,46,.14);
  --sh-3:0 10px 30px rgba(20,18,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:.25s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--alt);}
.section-white{background:#fff;}
.badge-num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ============ Dock 导航 ============ */
.site-dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  z-index:120;
  background:rgba(255,255,255,.93);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-3);
  backdrop-filter:blur(14px);
  transition:box-shadow var(--t),background var(--t),border-radius var(--t);
}
.site-dock.is-stuck{
  box-shadow:0 16px 40px rgba(20,18,26,.16);
  background:rgba(255,255,255,.97);
}
.dock-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding:12px 16px;
  transition:padding var(--t);
}
.site-dock.is-stuck .dock-inner{padding:8px 16px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(255,90,46,.32);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:700;letter-spacing:.2px;}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:1.5px;margin-top:2px;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;flex-wrap:nowrap;}
.dock-nav a{
  position:relative;
  padding:8px 12px;
  font-size:14px;
  color:var(--text-2);
  border-radius:10px;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--text);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand-deep);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:var(--grad);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:flex;align-items:center;justify-content:center;
  transition:all var(--t);
}
.dock-search-btn:hover{color:var(--brand);border-color:var(--brand-soft);background:var(--brand-soft);}
.dock-toggle{
  display:none;
  width:38px;height:38px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;
}
.dock-search{
  max-height:0;overflow:hidden;
  transition:max-height var(--t),opacity var(--t);
  opacity:0;
  border-top:0 solid var(--line);
}
.dock-search.is-open{max-height:120px;opacity:1;border-top:1px solid var(--line);}
.dock-search-inner{display:flex;align-items:center;gap:10px;padding:12px 18px;}
.dock-search input{
  flex:1;border:1px solid var(--line);border-radius:12px;
  padding:10px 14px;font-size:14px;color:var(--text);background:#fff;
}
.dock-search input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(18,194,180,.16);}
.dock-search-hint{font-size:12px;color:var(--text-3);white-space:nowrap;}

/* 移动抽屉 */
.dock-drawer{
  position:fixed;inset:0;z-index:130;
  background:rgba(20,18,26,.55);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);
}
.dock-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(340px,86vw);
  background:#fff;
  border-radius:24px 0 0 24px;
  padding:24px 20px 28px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .32s var(--ease);
  box-shadow:-16px 0 40px rgba(20,18,26,.2);
}
.dock-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);display:flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:12px 14px;border-radius:14px;font-size:15px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-nav a.is-active{
  background:var(--brand-soft);color:var(--brand-deep);font-weight:700;border-color:#FFD9CB;
}
.drawer-foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;
  padding:14px 26px;font-size:15px;font-weight:700;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:13px;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,90,46,.28);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,46,.36);}
.btn-grad:active{transform:translateY(0);box-shadow:inset 0 2px 8px rgba(0,0,0,.18);}
.btn-ghost{background:#fff;color:var(--text);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--dark);}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5);}
.btn-outline-light:hover{color:#fff;border-color:#fff;background:rgba(255,255,255,.12);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ Hero mini ============ */
.hero-mini{
  position:relative;
  padding:128px 0 60px;
  color:#fff;
  background:
    linear-gradient(112deg,rgba(255,90,46,.92) 0%,rgba(255,61,110,.84) 48%,rgba(122,59,240,.82) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius:0 0 34px 34px;
  overflow:hidden;
}
.hero-mini::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.16;pointer-events:none;
}
.hero-mini .container{position:relative;z-index:2;}
.crumb{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  border-radius:999px;
  padding:6px 16px;font-size:12.5px;color:rgba(255,255,255,.92);
  margin-bottom:20px;
}
.crumb a{color:rgba(255,255,255,.92);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb i{font-size:9px;opacity:.75;}
.hero-mini h1{
  font-size:clamp(26px,3.5vw,42px);
  max-width:22em;
  letter-spacing:.2px;
}
.hero-mini .hero-sub{
  margin-top:14px;font-size:16px;line-height:1.8;
  color:rgba(255,255,255,.9);max-width:640px;
}
.hero-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-chips{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.34);
  font-size:12.5px;color:#fff;
}
.chip i{color:var(--gold);font-size:11px;}

/* ============ 通用板块标题 ============ */
.section-head{margin-bottom:38px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.6px;
  color:var(--brand-deep);text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);}
.section-head h2{
  font-size:clamp(23px,2.5vw,33px);
  position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;background:var(--grad);
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:740px;}
.section-head.on-dark h2{color:#fff;}
.section-head.on-dark p{color:rgba(255,255,255,.72);}
.section-head.on-dark .eyebrow{color:var(--gold);}

/* ============ 三列对比卡 ============ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.compare-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:28px 26px 30px;
  box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.compare-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB;}
.compare-card.is-featured{
  border:2px solid transparent;
  background:
    linear-gradient(#fff,#fff) padding-box,
    var(--grad) border-box;
  box-shadow:0 18px 40px rgba(255,90,46,.16);
}
.card-flag{
  position:absolute;top:-13px;left:24px;
  background:var(--grad);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  padding:5px 14px;border-radius:999px;
  box-shadow:0 8px 18px rgba(255,90,46,.3);
}
.compare-icon{
  width:50px;height:50px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:18px;
}
.compare-card.is-featured .compare-icon{background:var(--grad);color:#fff;}
.compare-card h3{font-size:20px;margin-bottom:10px;}
.compare-card .lead{font-size:14.5px;color:var(--text-2);margin-bottom:18px;line-height:1.8;}
.compare-list{display:flex;flex-direction:column;gap:11px;margin-bottom:22px;}
.compare-list li{
  position:relative;padding-left:24px;font-size:14.5px;color:var(--text-2);line-height:1.7;
}
.compare-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:50%;
  background:var(--brand-soft);border:2px solid var(--brand);
}
.compare-card.is-featured .compare-list li::before{background:var(--cyan);border-color:var(--cyan);}
.compare-fit{
  margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--text-3);
}
.compare-fit b{color:var(--text);font-weight:700;}

/* ============ 准备清单 ============ */
.prep-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
}
.prep-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 24px;box-shadow:var(--sh-1);
  display:flex;gap:14px;
  transition:transform var(--t),box-shadow var(--t);
}
.prep-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.prep-check{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;
  background:rgba(18,194,180,.12);color:#0E9E93;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.prep-item h3{font-size:16px;margin-bottom:6px;}
.prep-item p{font-size:14px;color:var(--text-2);line-height:1.75;}
.prep-note{
  margin-top:26px;background:var(--brand-soft);border:1px solid #FFD9CB;
  border-radius:var(--r-md);padding:18px 22px;
  font-size:14px;color:#8A3A1E;display:flex;gap:12px;align-items:flex-start;
}
.prep-note i{color:var(--brand);margin-top:4px;}

/* ============ 流程时间轴 ============ */
.flow-wrap{position:relative;padding-top:10px;}
.flow-line{
  position:absolute;left:0;right:0;top:38px;height:2px;
  background:linear-gradient(90deg,rgba(255,90,46,.35),rgba(18,194,180,.35));
  border-radius:2px;
}
.flow-grid{
  position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 20px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFD9CB;}
.flow-index{
  width:46px;height:46px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;font-variant-numeric:tabular-nums;
  background:#fff;border:2px solid var(--brand);color:var(--brand-deep);
  margin-bottom:16px;position:relative;z-index:2;
}
.flow-step:nth-child(2) .flow-index{border-color:#FF7A18;color:#E2431C;}
.flow-step:nth-child(3) .flow-index{border-color:var(--cyan);color:#0E9E93;}
.flow-step:nth-child(4) .flow-index{border-color:#7A3BF0;color:#5A2BC0;}
.flow-step:nth-child(5) .flow-index{border-color:var(--gold);color:#B47800;}
.flow-step h3{font-size:16.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ 深色状态区 ============ */
.dark-section{
  background:var(--dark);
  color:#fff;
  border-radius:34px;
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.dark-section::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.42),transparent 70%);
  pointer-events:none;
}
.dark-section::after{
  content:"";position:absolute;left:-100px;bottom:-160px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,180,.28),transparent 70%);
  pointer-events:none;
}
.dark-section .container{position:relative;z-index:2;}
.status-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.status-card{
  background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:26px 22px;
  transition:transform var(--t),border-color var(--t),background var(--t);
}
.status-card:hover{transform:translateY(-3px);border-color:rgba(255,90,46,.55);background:rgba(255,255,255,.09);}
.status-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.6px;}
.status-card h3{font-size:17px;color:#fff;margin-bottom:8px;}
.status-card p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.75;}
.status-line{
  margin-top:20px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;
}
.status-line span{font-size:12.5px;color:rgba(255,255,255,.55);}
.status-line b{
  font-size:20px;font-variant-numeric:tabular-nums;color:var(--cyan);font-weight:700;
}

/* ============ 版本速览卡 ============ */
.notes-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.note-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t);
}
.note-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.note-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--alt);}
.note-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.note-card:hover .note-thumb img{transform:scale(1.03);}
.note-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(20,18,26,.72);color:#fff;
  font-size:12px;padding:5px 12px;border-radius:999px;
  backdrop-filter:blur(6px);
}
.note-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.note-body h3{font-size:17.5px;margin-bottom:10px;}
.note-body p{font-size:14px;color:var(--text-2);line-height:1.78;margin-bottom:16px;}
.note-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--text-3);
  padding-top:14px;border-top:1px solid var(--line);
}
.note-meta i{color:var(--cyan);}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px 24px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:#FFD9CB;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--grad);color:#fff;}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-body{padding:0 22px 20px;font-size:14.8px;line-height:1.85;color:var(--text-2);}
.faq-body strong{color:var(--text);}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--dark);
  border-radius:34px;
  padding:72px 40px;
  text-align:center;
  position:relative;overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 20% 0%,rgba(255,90,46,.4),transparent 55%),
             radial-gradient(circle at 85% 100%,rgba(122,59,240,.36),transparent 55%);
  pointer-events:none;
}
.cta-band .inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(24px,2.7vw,34px);color:#fff;}
.cta-band p{
  margin:16px auto 0;max-width:660px;
  color:rgba(255,255,255,.76);font-size:15.5px;
}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.trust-row{
  margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;
}
.trust-row span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.78);
  padding:6px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
}
.trust-row i{color:var(--cyan);}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px;}
.footer-grid{row-gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:300px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--cyan);margin-right:8px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700;letter-spacing:.4px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;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:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .status-grid{grid-template-columns:repeat(2,1fr);}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(3,1fr);}
  .flow-line{display:none;}
}
@media (max-width:1023px){
  .dock-nav{display:none;}
  .dock-toggle{display:flex;}
  .section{padding:72px 0;}
  .compare-grid{grid-template-columns:1fr 1fr;}
  .notes-grid{grid-template-columns:repeat(2,1fr);}
  .dark-section{border-radius:26px;padding:64px 0;}
  .cta-band{border-radius:26px;padding:60px 26px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .hero-mini{padding:112px 0 48px;border-radius:0 0 24px 24px;}
  .hero-actions .btn{width:100%;}
  .compare-grid{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;}
  .status-grid{grid-template-columns:1fr;}
  .notes-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .flow-step{display:flex;gap:16px;align-items:flex-start;}
  .flow-index{margin-bottom:0;}
  .section{padding:56px 0;}
  .dock-actions .btn-grad{display:none;}
  .section-head h2{padding-left:14px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .logo-text{font-size:14.5px;}
  .logo-text em{font-size:10px;letter-spacing:1px;}
  .hero-chips{gap:8px;}
  .chip{font-size:11.5px;padding:6px 12px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .compare-card:hover,.prep-item:hover,.flow-step:hover,.note-card:hover,.status-card:hover{transform:none;}
  .note-card:hover .note-thumb img{transform:none;}
}

/* roulang page: category5 */
:root{
  --brand:#FF5A2E;
  --brand-deep:#E2431C;
  --brand-soft:#FFEDE6;
  --cyan:#12C2B4;
  --gold:#FFC24B;
  --grad:linear-gradient(112deg,#FF7A18 0%,#FF3D6E 55%,#7A3BF0 100%);
  --bg:#FFF9F5;
  --bg-alt:#F4F5F7;
  --ink:#14121A;
  --t1:#1B1A22;
  --t2:#5A5766;
  --t3:#8E8B99;
  --line:#ECE9F0;
  --white:#FFFFFF;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 2px 6px rgba(20,18,26,.06);
  --sh-2:0 14px 34px rgba(255,90,46,.14);
  --sh-3:0 10px 30px rgba(20,18,26,.10);
  --ease:.25s cubic-bezier(.2,.7,.3,1);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;color:var(--t1);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- Dock 导航 ---------- */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;z-index:120;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(150%) blur(12px);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:var(--sh-3);
  transition:box-shadow var(--ease),padding var(--ease),background var(--ease);
}
.site-dock.is-stuck{box-shadow:0 16px 40px rgba(20,18,26,.16);background:rgba(255,255,255,.97);}
.dock-inner{
  display:flex;align-items:center;gap:18px;
  padding:12px 18px;
  transition:padding var(--ease);
}
.site-dock.is-stuck .dock-inner{padding:8px 18px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:11px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 6px 16px rgba(255,90,46,.32);
}
.logo-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.2;color:var(--t1);}
.logo-text em{font-style:normal;font-size:11px;font-weight:500;color:var(--t3);letter-spacing:1px;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;}
.dock-nav a{
  position:relative;padding:8px 12px;border-radius:999px;
  font-size:14px;color:var(--t2);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.dock-nav a:hover{color:var(--brand-deep);background:var(--brand-soft);}
.dock-nav a.is-active{color:var(--brand-deep);font-weight:700;}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#FF7A18,#FF3D6E);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-search-btn{
  width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--t2);border:1px solid var(--line);background:#fff;
  transition:var(--ease);
}
.dock-search-btn:hover{color:var(--brand-deep);border-color:#FFD3C4;background:var(--brand-soft);}
.dock-toggle{
  display:none;width:36px;height:36px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--t1);
  border:1px solid var(--line);background:#fff;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;
  padding:13px 26px;line-height:1;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),filter var(--ease);
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,61,110,.28);}
.btn-grad:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,61,110,.34);}
.btn-grad:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,61,110,.30) inset;}
.btn-ghost{border-color:rgba(255,90,46,.4);color:var(--brand-deep);background:#fff;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{color:#fff;filter:brightness(1.15);transform:translateY(-2px);}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.dock-search{
  display:none;align-items:center;gap:10px;
  margin:0 18px 14px;padding:10px 14px;
  border:1px solid var(--line);border-radius:14px;background:#fff;
}
.dock-search.is-open{display:flex;}
.dock-search i{color:var(--t3);}
.dock-search input{flex:1;border:0;outline:none;font-size:14px;background:transparent;color:var(--t1);}
.dock-search-hint{font-size:12px;color:var(--t3);}
.dock-drawer{
  display:none;position:fixed;inset:0;z-index:150;
  background:rgba(20,18,26,.45);
}
.dock-drawer.is-open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(86vw,360px);height:100%;
  background:#fff;padding:26px 22px;display:flex;flex-direction:column;gap:6px;
  box-shadow:-20px 0 50px rgba(20,18,26,.2);overflow-y:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--t1);}
.drawer-panel a{
  padding:13px 14px;border-radius:12px;font-size:15px;color:var(--t2);
  border:1px solid transparent;
}
.drawer-panel a:hover,.drawer-panel a.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:#FFDCCF;font-weight:700;}
.drawer-cta{margin-top:16px;}

/* ---------- 迷你 Hero ---------- */
.mini-hero{
  position:relative;margin-top:96px;padding:52px 0 46px;
  background:var(--ink) url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  overflow:hidden;
}
.mini-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(255,122,24,.86) 0%,rgba(255,61,110,.80) 52%,rgba(122,59,240,.78) 100%);
}
.mini-hero::after{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.mini-hero .container{position:relative;z-index:2;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;border-radius:999px;padding:7px 16px;font-size:13px;margin-bottom:20px;
}
.crumb a{color:#fff;opacity:.88;}
.crumb a:hover{color:#fff;opacity:1;text-decoration:underline;}
.crumb .sep{opacity:.6;}
.mini-hero h1{
  color:#fff;font-size:clamp(28px,3.6vw,44px);line-height:1.2;
  max-width:820px;text-shadow:0 2px 18px rgba(20,18,26,.28);
}
.mini-hero .lead{
  color:rgba(255,255,255,.94);font-size:17px;max-width:640px;margin-top:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.btn-white{background:#fff;color:var(--brand-deep);box-shadow:0 12px 28px rgba(20,18,26,.22);}
.btn-white:hover{color:var(--brand-deep);transform:translateY(-2px);filter:brightness(.98);}
.btn-outline-w{border-color:rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn-outline-w:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.sec-head{max-width:740px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand-deep);
  background:var(--brand-soft);border:1px solid #FFDCCF;
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:4px;
  background:linear-gradient(180deg,#FF7A18,#FF3D6E);
}
.sec-head.center h2{padding-left:0;}
.sec-head.center h2::before{display:none;}
.sec-head p{color:var(--t2);font-size:16px;margin-top:14px;}

/* ---------- 徽章 ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:9px 16px;font-size:13.5px;color:var(--t2);box-shadow:var(--sh-1);
}
.badge i{color:var(--cyan);}
.badge b{color:var(--t1);font-weight:800;}
.badge-gold{border-color:#FFE0A8;background:#FFFBF0;}
.badge-gold i{color:#E9A100;}
.badge-soft{border-color:#FFDCCF;background:var(--brand-soft);}
.badge-soft i{color:var(--brand-deep);}

.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);transition:var(--ease);
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.metric .k{font-size:13px;color:var(--t3);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.metric .k i{color:var(--brand);}
.metric .v{font-size:20px;font-weight:800;color:var(--t1);}
.metric .v small{font-size:13px;font-weight:600;color:var(--t2);margin-left:6px;}

/* ---------- 左问右答 ---------- */
.qa-list{display:flex;flex-direction:column;gap:24px;}
.qa-item{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:var(--ease);
}
.qa-item:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.qa-q{
  padding:30px 28px;background:linear-gradient(160deg,#FFF3EC 0%,#FFFFFF 100%);
  border-right:1px solid var(--line);
}
.qa-q .tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  color:var(--brand-deep);background:#fff;border:1px solid #FFDCCF;
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.qa-q h3{font-size:20px;line-height:1.45;margin-bottom:12px;}
.qa-q p{font-size:14px;color:var(--t2);margin:0;}
.qa-a{padding:30px 28px;}
.qa-a p{font-size:15px;color:var(--t2);}
.qa-a .steps-mini{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.qa-a .steps-mini li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--t1);
}
.qa-a .steps-mini li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;border-radius:50%;
  background:var(--grad);
}
.qa-media{border-radius:16px;overflow:hidden;margin-top:18px;box-shadow:var(--sh-1);}
.qa-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s var(--ease);}
.qa-item:hover .qa-media img{transform:scale(1.03);}
.qa-note{
  margin-top:16px;background:var(--brand-soft);border-left:4px solid var(--brand);
  border-radius:0 12px 12px 0;padding:12px 16px;font-size:14px;color:#8A3A1E;
}

/* ---------- 排查流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:var(--ease);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFDCCF;}
.flow-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
  box-shadow:0 10px 22px rgba(255,61,110,.26);margin-bottom:16px;
}
.flow-card h3{font-size:18px;margin-bottom:10px;}
.flow-card p{font-size:14.5px;color:var(--t2);margin:0;}
.flow-card .link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--brand-deep);}
.flow-card .link:hover{text-decoration:underline;}

/* ---------- 速查卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;box-shadow:var(--sh-1);transition:var(--ease);height:100%;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#FFDCCF;}
.info-card .ic{
  width:48px;height:48px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:19px;margin-bottom:18px;
}
.info-card h3{font-size:19px;margin-bottom:10px;}
.info-card p{font-size:15px;color:var(--t2);margin-bottom:16px;}
.info-card ul li{
  position:relative;padding-left:20px;font-size:14px;color:var(--t2);margin-bottom:8px;
}
.info-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;
  background:var(--cyan);opacity:.75;
}
.info-card ul li:last-child{margin-bottom:0;}

/* ---------- 深色区块 ---------- */
.dark-band{background:var(--ink);color:#fff;padding:76px 0;}
.dark-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);}
.dark-band p{color:rgba(255,255,255,.78);}
.dark-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px;}
.dark-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);padding:24px;transition:var(--ease);
}
.dark-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);}
.dark-card .big{font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.dark-card .big span{font-size:14px;font-weight:600;color:var(--gold);margin-left:6px;}
.dark-card p{margin-top:8px;font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--t1);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--brand-deep);}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);
  font-size:13px;background:#fff;transition:transform var(--ease),background var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 4px 22px;font-size:15px;color:var(--t2);max-width:800px;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--grad);border-radius:28px;overflow:hidden;
  padding:60px 40px;text-align:center;color:#fff;box-shadow:0 24px 60px rgba(255,61,110,.28);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:20px 20px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,34px);}
.cta-band p{color:rgba(255,255,255,.9);max-width:620px;margin:16px auto 0;font-size:16px;}
.cta-band .hero-actions{justify-content:center;}
.trust-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;}
.trust-row span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.45);border-radius:999px;padding:7px 15px;
  background:rgba(255,255,255,.12);
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:70px 0 0;margin-top:96px;}
.footer-grid{padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.5);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:18px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--cyan);margin-right:8px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .dock-nav a{padding:8px 9px;font-size:13.5px;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:1023px){
  .dock-nav{display:none;}
  .dock-toggle{display:flex;}
  .dock-actions .btn-grad{display:none;}
  .dock-inner{gap:12px;}
  .qa-item{grid-template-columns:1fr;}
  .qa-q{border-right:0;border-bottom:1px solid var(--line);}
  .dark-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
}
@media screen and (max-width:767px){
  .container{padding:0 18px;}
  .mini-hero{margin-top:88px;padding:40px 0 36px;}
  .site-dock{top:10px;width:calc(100% - 20px);}
  .logo-text{font-size:14px;}
  .logo-text em{display:none;}
  .metrics{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .cta-band{padding:44px 22px;border-radius:22px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media screen and (max-width:520px){
  .btn{padding:12px 20px;font-size:14px;}
  .mini-hero h1{font-size:26px;}
  .mini-hero .lead{font-size:15.5px;}
  .qa-q,.qa-a{padding:22px 20px;}
  .badge{font-size:12.5px;padding:8px 13px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .qa-item:hover,.metric:hover,.info-card:hover,.flow-card:hover,.dark-card:hover{transform:none;}
  .qa-item:hover .qa-media img{transform:none;}
}