/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0B;
  --brand-soft:#FFEDE5;
  --mint:#14D9A3;
  --mint-deep:#0B8F6C;
  --mint-soft:#E4FBF4;
  --grad-brand:linear-gradient(120deg,#FF4E1A 0%,#FF7A18 48%,#FFC53D 100%);
  --grad-badge:linear-gradient(90deg,#14D9A3 0%,#35E0C0 100%);
  --bg:#FFF8F4;
  --card:#FFFFFF;
  --section:#F4F1EE;
  --dark:#1A1C22;
  --text:#14161B;
  --text-2:#5A6169;
  --text-3:#8B9299;
  --line:#EDE7E2;
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,22,27,.06);
  --sh-2:0 16px 40px rgba(255,78,26,.16);
  --sh-nav:0 2px 12px rgba(20,22,27,.08);
  --sec-pad:88px;
  --gutter:24px;
  --maxw:1200px;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:16px}
strong{font-weight:700}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
.section{padding:var(--sec-pad) 0}
.section-alt{background:var(--section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);margin-bottom:10px}
.section-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-brand)}
.section-head h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.5px;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 6px 18px rgba(255,78,26,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,78,26,.24)}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.94);color:var(--brand-dark)}
.btn-light:hover{background:#fff;color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(20,22,27,.18)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand);min-height:44px}
.btn-text i{transition:transform .18s ease}
.btn-text:hover i{transform:translateX(4px)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ===================== 徽章 / 标签 ===================== */
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--mint-deep);
  font-size:13px;font-weight:500;line-height:1;
}
.badge b{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
.badge .dot-live{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(20,217,163,.6);animation:breathe 2s infinite}
@keyframes breathe{0%{box-shadow:0 0 0 0 rgba(20,217,163,.55)}70%{box-shadow:0 0 0 10px rgba(20,217,163,0)}100%{box-shadow:0 0 0 0 rgba(20,217,163,0)}}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:500;line-height:1.4;
}
.tag-mint{background:var(--mint-soft);color:var(--mint-deep)}

/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,248,244,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:76px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);min-height:44px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad-brand);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(255,78,26,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.5px}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--text-2);
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:2px;background:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-nav{padding:13px 24px;min-height:44px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text)}
.nav-drawer{
  display:none;position:fixed;top:76px;left:0;right:0;bottom:0;z-index:79;
  background:var(--bg);border-top:1px solid var(--line);
  padding:20px 20px 24px;overflow-y:auto;
}
.nav-drawer.is-open{display:flex;flex-direction:column;gap:8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 18px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);
  font-size:16px;font-weight:500;color:var(--text);
}
.drawer-link.is-active{color:var(--brand);border-color:rgba(255,78,26,.35);background:var(--brand-soft)}
.drawer-cta{margin-top:auto;padding-top:20px}
.drawer-cta .btn{width:100%;min-height:52px}

/* ===================== Hero ===================== */
.hero{position:relative;overflow:hidden;padding:52px 0 64px;background:var(--bg)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(255,78,26,.12) 0%,rgba(255,122,24,.08) 48%,rgba(255,197,61,.12) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(45deg,rgba(255,78,26,.05) 0 2px,transparent 2px 9px);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:52px;align-items:center}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:9 / 16;box-shadow:0 20px 48px rgba(20,22,27,.16);
  background:var(--dark);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,28,34,.05) 40%,rgba(26,28,34,.62) 100%);
}
.hero-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:rgba(255,255,255,.94);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;z-index:3;
  box-shadow:0 10px 28px rgba(20,22,27,.24);
}
.hero-duration{
  position:absolute;right:14px;bottom:14px;z-index:3;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(26,28,34,.72);color:#fff;font-size:13px;
  font-variant-numeric:tabular-nums;letter-spacing:.4px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.9);border:1px solid var(--line);
  font-size:13px;font-weight:700;color:var(--brand-dark);margin-bottom:18px;
}
.hero h1{font-size:34px;line-height:1.25;font-weight:700;letter-spacing:.5px}
.hero-sub{margin-top:14px;font-size:17px;font-weight:500;color:var(--brand-dark)}
.hero-lead{margin-top:16px;font-size:16px;color:var(--text-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ===================== 爆款片段卡 ===================== */
.reel-wrap{position:relative}
.reel-scroll{
  display:flex;gap:16px;overflow-x:auto;padding:6px 8px 22px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.reel-scroll::-webkit-scrollbar{display:none}
.reel-card{flex:0 0 220px;width:220px;scroll-snap-align:start}
.reel-media{position:relative;aspect-ratio:4 / 5;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);background:var(--section)}
.reel-media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease}
.reel-card:hover .reel-media img{transform:scale(1.03)}
.reel-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(26,28,34,0) 45%,rgba(26,28,34,.7) 100%)}
.reel-duration{
  position:absolute;top:10px;left:10px;z-index:3;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-dark);
  font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
}
.reel-play{
  position:absolute;right:10px;bottom:10px;z-index:3;
  width:34px;height:34px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.reel-title{margin-top:12px;font-size:15px;font-weight:700;line-height:1.5;color:var(--text)}
.reel-note{margin-top:4px;font-size:13px;color:var(--text-3)}

/* ===================== 卡片体系 ===================== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,78,26,.16);border-color:rgba(255,78,26,.22)}
.card-media{display:block;aspect-ratio:16 / 10;overflow:hidden;background:var(--section)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px;line-height:1.5;font-weight:700;letter-spacing:.5px}
.card-body h3 a{color:var(--text)}
.card-body h3 a:hover{color:var(--brand)}
.card-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.meta-row{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--text-3)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}

/* ===================== 最新动态 ===================== */
.latest-grid{align-items:stretch}
.card-feature .card-media{aspect-ratio:16 / 9}
.latest-list{display:flex;flex-direction:column;gap:8px;height:100%}
.latest-list li{flex:1;display:flex}
.latest-list a{
  display:flex;align-items:center;gap:14px;width:100%;
  min-height:64px;padding:12px 16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--text);
  transition:background-color .18s ease,transform .18s ease,border-color .18s ease;
}
.latest-list a:hover{background:var(--brand-soft);border-color:rgba(255,78,26,.24);transform:translateX(2px);color:var(--text)}
.latest-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;flex:0 0 auto;min-width:76px}
.latest-title{flex:1;font-size:15px;font-weight:500;line-height:1.5;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.latest-tag{flex:0 0 auto}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;color:var(--text-3);
}
.empty-state i{font-size:28px;color:var(--brand);margin-bottom:12px;display:block}
.empty-state p{font-size:15px}

/* ===================== 种草清单（编号错位卡） ===================== */
.pick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.pick-col{display:flex;flex-direction:column;gap:24px}
.pick-col-offset{margin-top:32px}
.pick-card{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pick-card:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,78,26,.16);border-color:rgba(255,78,26,.22)}
.pick-num{
  flex:0 0 auto;font-size:38px;line-height:1;font-weight:700;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.pick-body h3{font-size:19px;line-height:1.5;font-weight:700;margin-bottom:8px}
.pick-body p{font-size:15px;color:var(--text-2)}

/* ===================== 口碑条 ===================== */
.voice-wrap{position:relative}
.voice-scroll{
  display:flex;gap:16px;overflow-x:auto;padding:6px 8px 22px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.voice-scroll::-webkit-scrollbar{display:none}
.voice-card{
  flex:0 0 300px;width:300px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.voice-avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:var(--mint-soft);color:var(--mint-deep);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.voice-name{font-size:15px;font-weight:700;line-height:1.4}
.voice-time{font-size:13px;color:var(--text-3)}
.voice-card p{font-size:15px;color:var(--text-2);line-height:1.8}

/* ===================== FAQ ===================== */
.faq-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:48px;align-items:start}
.faq-aside{position:sticky;top:104px}
.faq-aside h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px;margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--text-2);margin-bottom:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 22px;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item[open]{border-color:rgba(255,78,26,.3);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;font-weight:400;color:var(--brand);line-height:1;transition:transform .2s ease}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:720px}

/* ===================== CTA 横幅 ===================== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-brand);color:#fff;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ===================== 表单（登录提示区） ===================== */
.form-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1)}
.form-panel h3{font-size:19px;font-weight:700;margin-bottom:8px}
.form-panel .form-hint{font-size:14px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:500;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FFFDFC;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,78,26,.14)}
.field.has-error input{border-color:var(--brand-dark)}
.field .error-text{display:block;margin-top:6px;font-size:13px;color:var(--brand-dark)}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px}
.form-panel .btn{width:100%}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--dark);color:#B9BFC7;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  margin-top:var(--sec-pad);padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:12px;color:#fff;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand b{font-size:17px;letter-spacing:.5px}
.footer-brand span{display:block;font-size:12px;color:#8B9299;letter-spacing:.4px}
.site-footer p{font-size:14px;line-height:1.8;color:#B9BFC7;max-width:320px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:#B9BFC7;font-size:14px;display:inline-flex;align-items:center;min-height:24px}
.footer-col a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8B9299;
}
.footer-bottom a{color:#8B9299}
.footer-bottom a:hover{color:#fff}

/* ===================== 移动端吸底 CTA ===================== */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  align-items:center;justify-content:space-between;gap:12px;
  background:#fff;box-shadow:0 -6px 22px rgba(20,22,27,.12);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
}
.sticky-cta .sticky-text{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--text)}
.sticky-cta .sticky-text i{color:var(--brand);font-size:18px}
.sticky-cta .btn{min-height:44px;padding:12px 22px;font-size:14px}

/* ===================== 动效可访问性 ===================== */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  :root{--sec-pad:76px}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media{width:100vw;margin-left:calc(50% - 50vw);border-radius:0;aspect-ratio:3 / 4}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-aside{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:767px){
  :root{--sec-pad:56px;--gutter:16px}
  body{font-size:15px;line-height:1.75}
  .hero{padding:32px 0 44px}
  .hero h1{font-size:26px;line-height:1.3}
  .hero-sub{font-size:16px}
  .section-head h2{font-size:21px}
  .card-body{padding:20px}
  .card-body h3{font-size:17px}
  .pick-grid{grid-template-columns:1fr}
  .pick-col-offset{margin-top:0}
  .reel-card{flex:0 0 176px;width:176px}
  .voice-card{flex:0 0 260px;width:260px}
  .latest-list a{min-height:56px;padding:10px 14px}
  .latest-time{min-width:62px}
  .btn{width:auto}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .sticky-cta{display:flex}
  body{padding-bottom:78px}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg)}
  .cta-band h2{font-size:21px}
  .form-panel{padding:22px}
  .site-footer{border-radius:var(--r-lg) var(--r-lg) 0 0;padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .faq-item{padding:0 18px}
  .faq-item summary{font-size:16px;padding:16px 0}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .hero-badges .badge{width:100%;justify-content:flex-start}
  .reel-card{flex:0 0 158px;width:158px}
  .pick-num{font-size:30px}
}

/* roulang page: article */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0B;
  --brand-soft:#FFEDE5;
  --mint:#14D9A3;
  --mint-soft:#E4FBF4;
  --grad:linear-gradient(120deg,#FF4E1A 0%,#FF7A18 48%,#FFC53D 100%);
  --grad-mint:linear-gradient(90deg,#14D9A3 0%,#35E0C0 100%);
  --bg:#FFF8F4;
  --card:#FFFFFF;
  --panel:#F4F1EE;
  --dark:#1A1C22;
  --text:#14161B;
  --muted:#5A6169;
  --weak:#8B9299;
  --line:#EDE7E2;
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:12px;
  --r-pill:999px;
  --r-img:16px;
  --sh:0 4px 16px rgba(20,22,27,.06);
  --sh-hover:0 16px 40px rgba(255,78,26,.16);
  --sh-nav:0 2px 12px rgba(20,22,27,.08);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a.link{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.25em;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1440px){:root{--container:1320px;}}
.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:var(--sh-nav);}
.nav-inner{position:relative;display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 6px 16px rgba(255,78,26,.28);}
.brand-text b{display:block;font-size:17px;font-weight:700;letter-spacing:.5px;line-height:1.2;color:var(--text);}
.brand-text span{display:block;font-size:12px;line-height:1.3;color:var(--weak);letter-spacing:.5px;}
.nav-drawer{display:flex;align-items:center;gap:14px;margin-left:auto;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:8px 14px;font-size:15px;color:var(--muted);border-radius:var(--r-pill);transition:color .18s ease,background-color .18s ease;}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:500;background:var(--brand-soft);}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:3px;border-radius:3px;background:var(--brand);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);color:var(--text);font-size:17px;}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,78,26,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);color:#fff;}
.btn-primary:active{transform:translateY(0);background:var(--brand-dark);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(255,78,26,.45);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);color:var(--brand-dark);}
.btn-light{background:#fff;color:var(--brand-dark);box-shadow:0 8px 20px rgba(20,22,27,.16);}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-dark);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:15px;font-weight:500;padding:8px 2px;}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover i{transform:translateX(4px);}
.nav-cta{padding:0 24px;}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:13px;color:var(--weak);}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#CFC7C0;}
.breadcrumb .current{color:var(--text);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章标题区 ============ */
.article-hero{padding:36px 0 26px;background:#fff;border-bottom:1px solid var(--line);}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:500;}
.hero-tag i{font-size:12px;}
.article-title{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.5px;margin:16px 0 18px;max-width:900px;overflow-wrap:break-word;word-break:break-word;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:13px;color:var(--weak);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{color:var(--brand);font-size:12px;}
.meta-divider{width:1px;height:14px;background:var(--line);display:inline-block;}

/* ============ 文章主体布局 ============ */
.article-layout{padding:40px 0 20px;}
.article-main{max-width:760px;margin:0 auto;}

/* 正文排版 */
.article-content{font-size:16px;line-height:1.9;color:var(--text);}
.article-content>*:first-child{margin-top:0;}
.article-content p{margin:0 0 1.2em;line-height:1.9;}
.article-content h2{position:relative;font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px;margin:40px 0 16px;padding-left:16px;scroll-margin-top:96px;}
.article-content h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad);}
.article-content h3{font-size:19px;line-height:1.5;font-weight:700;letter-spacing:.5px;margin:28px 0 12px;}
.article-content h4{font-size:16px;font-weight:700;margin:22px 0 10px;}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.35em;line-height:1.8;}
.article-content li{margin:.4em 0;}
.article-content a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand-dark);}
.article-content strong{font-weight:700;}
.article-content blockquote{margin:24px 0;padding:20px 22px;background:#fff;border-left:4px solid var(--brand);border-radius:var(--r-sm);box-shadow:var(--sh);color:var(--muted);font-size:15px;}
.article-content img{border-radius:var(--r-img);margin:26px auto;box-shadow:var(--sh);}
.article-content figure{margin:26px 0;}
.article-content figcaption,.article-content .caption{font-size:13px;color:var(--weak);text-align:center;margin-top:10px;line-height:1.6;}
.article-content hr{border:none;height:1px;background:var(--line);margin:36px 0;}
.article-content code{background:var(--panel);padding:2px 6px;border-radius:6px;font-size:14px;}
.article-content pre{background:var(--dark);color:#E8EAED;padding:18px;border-radius:var(--r-sm);overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.2em;}
/* 长表格转为标签列 + 值列卡片行 */
.article-content table,.article-content tbody,.article-content tr,.article-content td,.article-content th{display:block;width:100%;}
.article-content table{margin:24px 0;border-collapse:collapse;}
.article-content thead{display:none;}
.article-content tr{background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 16px;margin-bottom:10px;box-shadow:var(--sh);}
.article-content td{border:none;padding:4px 0;font-size:15px;line-height:1.7;}
.article-content td:first-child{font-size:13px;color:var(--weak);}

/* 空态 */
.empty-state{background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:52px 24px;text-align:center;box-shadow:var(--sh);}
.empty-state .empty-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:22px;}
.empty-state h2{font-size:19px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px;line-height:1.8;}

/* 目录侧栏 */
.toc-card{position:sticky;top:98px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh);}
.toc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.toc-head h2{font-size:15px;font-weight:700;letter-spacing:.5px;display:flex;align-items:center;gap:8px;}
.toc-head h2 i{color:var(--brand);font-size:13px;}
.toc-toggle{display:none;background:none;border:none;color:var(--brand);font-size:13px;padding:4px 8px;border-radius:var(--r-pill);}
.toc-list{list-style:none;margin:14px 0 0;padding:0;max-height:60vh;overflow-y:auto;}
.toc-list a{display:block;padding:9px 12px;font-size:14px;color:var(--muted);border-left:2px solid var(--line);transition:color .18s ease,border-color .18s ease,background-color .18s ease;line-height:1.6;}
.toc-list a:hover,.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:var(--brand-soft);}
.toc-tip{margin-top:16px;padding:14px;border-radius:var(--r-sm);background:var(--mint-soft);font-size:13px;color:#0B7F63;line-height:1.7;}
.toc-tip b{display:block;font-weight:700;margin-bottom:4px;color:#0B7F63;}

/* 标签 / 翻页 */
.article-foot{margin-top:44px;}
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-label{font-size:13px;color:var(--weak);margin-right:4px;}
.tag{display:inline-flex;align-items:center;padding:6px 14px;font-size:13px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);transition:background-color .18s ease,transform .18s ease;}
.tag:hover{background:#FFDCCB;transform:translateY(-2px);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:34px;}
.post-nav-item{display:flex;flex-direction:column;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;box-shadow:var(--sh);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(255,78,26,.3);}
.post-nav-item.is-next{text-align:right;align-items:flex-end;}
.post-nav-label{font-size:12px;color:var(--weak);letter-spacing:.5px;}
.post-nav-title{font-size:15px;font-weight:500;line-height:1.6;color:var(--text);}
.post-nav-item:hover .post-nav-title{color:var(--brand);}

/* ============ 通用卡片 ============ */
.card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .18s ease,box-shadow .18s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.card-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel);}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px;flex:1;}
.card-title{font-size:17px;line-height:1.5;font-weight:700;letter-spacing:.5px;}
.card-title a:hover{color:var(--brand);}
.card-desc{font-size:14px;line-height:1.75;color:var(--muted);}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--weak);}
.pill{display:inline-flex;align-items:center;padding:3px 10px;font-size:12px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand-dark);}
.pill-mint{background:var(--mint-soft);color:#0B7F63;}

/* ============ 板块 ============ */
.section{padding:72px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px;}
.section-head p{font-size:15px;color:var(--muted);margin-top:8px;max-width:60ch;}

/* ============ CTA 横幅 ============ */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 40px;background:var(--grad);color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;box-shadow:0 18px 44px rgba(255,78,26,.24);}
.cta-band::after{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.16) 0 2px,transparent 2px 12px);opacity:.6;pointer-events:none;}
.cta-band>*{position:relative;z-index:1;}
.cta-band h2{font-size:26px;line-height:1.4;font-weight:700;letter-spacing:.5px;margin-bottom:10px;}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.92);max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#B9BFC7;border-radius:var(--r-xl) var(--r-xl) 0 0;margin-top:88px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:11px;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;}
.footer-brand b{display:block;font-size:17px;font-weight:700;letter-spacing:.5px;line-height:1.2;}
.footer-brand span span{display:block;font-size:12px;color:#8B9299;line-height:1.3;}
.site-footer p{font-size:14px;line-height:1.8;color:#B9BFC7;max-width:34ch;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.5px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:#B9BFC7;}
.footer-col a:hover{color:#fff;}
.footer-bottom{margin-top:38px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8B9299;}

/* ============ 动效 / 可访问性 ============ */
@keyframes breathe{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.86);}}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block;animation:breathe 2s ease-in-out infinite;}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* ============ 断点 ============ */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-drawer{position:absolute;left:16px;right:16px;top:calc(100% + 10px);display:none;flex-direction:column;align-items:stretch;gap:10px;margin-left:0;padding:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 16px 40px rgba(20,22,27,.14);}
  .nav-drawer.is-open{display:flex;}
  .main-nav{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{padding:12px 14px;justify-content:flex-start;}
  .nav-link.is-active::after{display:none;}
  .nav-cta{width:100%;}
  .toc-card{position:static;margin-top:34px;padding:16px 18px;}
  .toc-head h2{font-size:15px;}
  .toc-toggle{display:inline-flex;align-items:center;gap:6px;}
  .toc-list{display:none;margin-top:10px;max-height:none;}
  .toc-card.is-open .toc-list{display:block;}
  .toc-tip{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0 0;}
  .article-layout{padding:28px 0 10px;}
  .article-title{font-size:22px;line-height:1.3;}
  .article-hero{padding:26px 0 20px;}
  .article-content h2{font-size:21px;margin:34px 0 14px;}
  .article-content h3{font-size:17px;}
  .article-content{font-size:15px;line-height:1.75;}
  .section-head h2{font-size:21px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav-item.is-next{text-align:left;align-items:flex-start;}
  .site-footer{padding:44px 0 20px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
}
@media (max-width:479px){
  .brand-text span{display:none;}
  .article-title{font-size:21px;}
  .post-nav-item{padding:16px;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --primary:#FF4E1A;
  --primary-dark:#D93A0B;
  --primary-light:#FFEDE5;
  --accent:#14D9A3;
  --accent-light:#E4FBF4;
  --grad-main:linear-gradient(120deg,#FF4E1A 0%,#FF7A18 48%,#FFC53D 100%);
  --grad-badge:linear-gradient(90deg,#14D9A3 0%,#35E0C0 100%);
  --bg-page:#FFF8F4;
  --bg-card:#FFFFFF;
  --bg-soft:#F4F1EE;
  --ink-dark:#1A1C22;
  --text:#14161B;
  --text-2:#5A6169;
  --text-3:#8B9299;
  --border:#EDE7E2;
  --radius-lg:28px;
  --radius-md:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 4px 16px rgba(20,22,27,.06);
  --shadow-2:0 16px 40px rgba(255,78,26,.16);
  --shadow-nav:0 2px 12px rgba(20,22,27,.08);
  --container:1200px;
}
@media (min-width:1440px){
  :root{--container:1320px;}
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;color:var(--text);}
p{margin:0;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:var(--primary-light);color:var(--primary-dark);}

/* ============ 容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding-top:64px;}
.section-head{max-width:700px;margin-bottom:40px;}
.section-head h2{font-size:26px;line-height:1.4;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:500;letter-spacing:.5px;margin-bottom:14px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:500;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 8px 20px rgba(255,78,26,.24);}
.btn-primary:hover,.btn-primary:focus{color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,78,26,.32);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,78,26,.24);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-dark);}
.btn-light:hover,.btn-light:focus{background:#fff;color:var(--primary-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(20,22,27,.18);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.72);}
.btn-outline-light:hover,.btn-outline-light:focus{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:500;font-size:15px;min-height:44px;}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover i{transform:translateX(4px);}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 品牌标识 ============ */
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:var(--grad-main);display:grid;place-items:center;
  color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(255,78,26,.28);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#FFF8F4;
  box-shadow:var(--shadow-nav);
}
.header-inner{
  display:flex;align-items:center;gap:24px;min-height:72px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;font-weight:700;letter-spacing:.5px;color:var(--text);}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:1.8px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;font-size:15px;color:var(--text-2);
  border-radius:10px;transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.is-active{color:var(--primary);font-weight:500;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;
  border-radius:3px;background:var(--grad-main);
}
.header-cta{margin-left:10px;min-height:44px;padding:0 24px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;margin-left:auto;
  background:#fff;border:1px solid var(--border);color:var(--text);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}
.mobile-drawer{display:none;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-soft);border-bottom:1px solid var(--border);}
.crumb-bar .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:52px;flex-wrap:wrap;
}
.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.breadcrumbs a{color:var(--text-2);}
.breadcrumbs a:hover{color:var(--primary);}
.breadcrumbs em{font-style:normal;color:var(--text);font-weight:500;}
.breadcrumbs .sep{color:var(--text-3);}
.crumb-note{font-size:13px;color:var(--text-3);}

/* ============ 页面横幅 ============ */
.page-banner{
  position:relative;overflow:hidden;
  background-image:var(--grad-main);
  border-radius:0 0 28px 28px;
  padding:52px 0 56px;
  min-height:280px;
  display:flex;align-items:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.13) 0 2px,transparent 2px 10px);
}
.banner-media{position:absolute;top:0;right:0;bottom:0;width:52%;overflow:hidden;}
.banner-media img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.32;}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#FF4E1A 0%,rgba(255,78,26,.28) 62%,rgba(255,78,26,0) 100%);
}
.banner-inner{position:relative;z-index:2;width:100%;}
.page-banner h1{
  color:#fff;font-size:34px;line-height:1.25;letter-spacing:.5px;
  max-width:760px;text-shadow:0 2px 12px rgba(150,42,0,.25);
}
.banner-sub{margin-top:14px;color:rgba(255,255,255,.95);font-size:16px;max-width:560px;}
.banner-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.38);
  color:#fff;font-size:13px;letter-spacing:.3px;
  font-variant-numeric:tabular-nums;
}
.banner-tag b{font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;}

/* ============ 状态点 ============ */
.status-dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--accent);animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}

/* ============ 准备清单 ============ */
.check-item{
  display:flex;gap:16px;height:100%;
  padding:24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.check-item:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,78,26,.12);}
.check-dot{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  background:var(--grad-badge);color:#fff;
  display:grid;place-items:center;font-size:13px;
}
.check-item h3{font-size:17px;line-height:1.5;}
.check-item p{margin-top:8px;color:var(--text-2);font-size:14px;line-height:1.78;}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:12px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:8px;bottom:8px;width:2px;
  transform:translateX(-50%);
  background:linear-gradient(180deg,var(--primary-light) 0%,var(--border) 18%,var(--border) 82%,var(--primary-light) 100%);
}
.tl-item{position:relative;width:50%;padding:0 46px 40px 0;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 40px 46px;}
.tl-item:last-child{padding-bottom:0;}
.tl-node{
  position:absolute;top:26px;right:-13px;width:26px;height:26px;
  border-radius:50%;background:var(--accent);border:3px solid var(--primary);
  box-shadow:0 0 0 4px #FFF8F4;z-index:2;
}
.tl-item:nth-child(even) .tl-node{right:auto;left:-13px;}
.tl-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(255,78,26,.24);}
.tl-icon{
  display:inline-grid;place-items:center;width:42px;height:42px;
  border-radius:14px;background:var(--primary-light);color:var(--primary);
  font-size:16px;margin-bottom:14px;
}
.tl-step{
  display:block;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--accent);margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.tl-card h3{font-size:19px;line-height:1.5;}
.tl-card p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ============ 易错动作 ============ */
.mistake-card{
  height:100%;padding:24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-md);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.mistake-card:hover{transform:translateY(-2px);box-shadow:0 16px 40px rgba(255,78,26,.12);}
.m-icon{
  width:42px;height:42px;border-radius:14px;margin-bottom:14px;
  background:var(--primary-light);color:var(--primary-dark);
  display:grid;place-items:center;font-size:16px;
}
.mistake-card h3{font-size:17px;line-height:1.5;}
.mistake-card p{margin-top:10px;color:var(--text-2);font-size:14px;line-height:1.8;}

/* ============ 设备对照卡片 ============ */
.device-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.device-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.device-media{aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.device-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.device-card:hover .device-media img{transform:scale(1.03);}
.device-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.device-body h3{font-size:19px;line-height:1.5;}
.device-body p{color:var(--text-2);font-size:15px;line-height:1.8;}
.device-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding-top:6px;
}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;
  border-radius:var(--radius-pill);background:var(--accent-light);
  color:#0A8A66;font-size:13px;font-weight:500;
}
.tag--plain{background:var(--bg-soft);color:var(--text-2);}
.device-plain{padding:28px;gap:10px;background:var(--bg-soft);border:none;}
.device-plain .device-body{padding:0;}
.device-plain .tl-icon{margin-bottom:0;background:#fff;}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;grid-template-columns:340px minmax(0,1fr);
  gap:48px;align-items:start;
}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{font-size:26px;line-height:1.4;}
.faq-aside p{margin-top:12px;color:var(--text-2);font-size:15px;line-height:1.8;}
.faq-aside .btn{margin-top:22px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding:20px 22px;cursor:pointer;
  font-size:16px;font-weight:500;color:var(--text);list-style:none;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item:hover{border-color:rgba(255,78,26,.3);}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--primary-light);
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:transform .2s ease;}
.faq-item[open]{border-color:rgba(255,78,26,.34);box-shadow:0 12px 28px rgba(255,78,26,.1);}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] .faq-icon{background:var(--primary);}
.faq-item[open] .faq-icon::before{background:#fff;}
.faq-item[open] .faq-icon::after{background:#fff;transform:translate(-50%,-50%) scaleY(0);}
.faq-a{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ 底部 CTA ============ */
.cta-band{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;
  background-image:var(--grad-main);
  border-radius:var(--radius-lg);padding:48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 48px rgba(255,78,26,.24);
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.26) 1px,transparent 1px);
  background-size:16px 16px;opacity:.55;
}
.cta-card h2{position:relative;color:#fff;font-size:24px;line-height:1.4;}
.cta-card p{position:relative;margin-top:10px;color:rgba(255,255,255,.94);font-size:15px;max-width:560px;}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink-dark);color:#B9BFC7;
  border-radius:28px 28px 0 0;
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-brand:hover{color:#fff;}
.footer-brand > span:last-child{display:flex;flex-direction:column;line-height:1.2;}
.footer-brand b{font-size:16px;font-weight:700;color:#fff;letter-spacing:.5px;}
.footer-brand > span:last-child > span{font-size:11px;color:#8B9299;letter-spacing:1.8px;}
.site-footer p{font-size:14px;line-height:1.8;color:#B9BFC7;max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#B9BFC7;transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:36px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8B9299;
}

/* ============ 移动端吸底条 ============ */
.sticky-cta{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;min-height:64px;}
  .mobile-drawer.is-open{
    display:block;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-top:1px solid var(--border);
    padding:12px 16px 20px;border-radius:0 0 20px 20px;
    box-shadow:0 18px 36px rgba(20,22,27,.14);
    z-index:120;
  }
  .drawer-link{
    display:flex;align-items:center;min-height:48px;padding:0 14px;
    border-radius:12px;color:var(--text-2);font-size:15px;
    transition:background .18s ease,color .18s ease;
  }
  .drawer-link:hover{background:var(--bg-soft);color:var(--primary);}
  .drawer-link.is-active{color:var(--primary);background:var(--primary-light);font-weight:500;}
  .drawer-cta{margin-top:12px;width:100%;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-card{padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .section-head h2,.faq-aside h2{font-size:21px;}
  .section-head p,.faq-aside p{font-size:14px;}
  .page-banner{min-height:220px;padding:38px 0 40px;}
  .page-banner h1{font-size:26px;line-height:1.3;}
  .banner-media{width:100%;opacity:.85;}
  .banner-media img{opacity:.22;}
  .banner-sub{font-size:15px;}
  .crumb-note{display:none;}
  .timeline::before{left:13px;transform:none;}
  .tl-item,
  .tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 24px 42px;}
  .tl-node,
  .tl-item:nth-child(even) .tl-node{left:0;right:auto;top:24px;}
  .tl-card{padding:20px;}
  .tl-card h3{font-size:17px;}
  .check-item{padding:20px;}
  .check-item h3{font-size:16px;}
  .mistake-card,.device-body{padding:20px;}
  .cta-band{padding-bottom:56px;}
  .cta-card{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-card h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:40px 0 24px;}
  .site-footer p{max-width:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .faq-item summary{font-size:15px;padding:18px;}
  .faq-a{padding:0 18px 18px;font-size:14px;}
  body{padding-bottom:64px;}
  .sticky-cta{
    display:flex;align-items:center;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:130;
    height:64px;padding:0 16px;background:#fff;
    box-shadow:0 -6px 20px rgba(20,22,27,.14);
  }
  .sticky-cta-icon{
    flex:0 0 auto;width:36px;height:36px;border-radius:12px;
    background:var(--primary-light);color:var(--primary);
    display:grid;place-items:center;font-size:15px;
  }
  .sticky-cta-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;flex:1;}
  .sticky-cta-text b{font-size:14px;color:var(--text);}
  .sticky-cta-text span{font-size:12px;color:var(--text-3);}
  .sticky-cta .btn{padding:0 18px;min-height:42px;font-size:14px;flex:0 0 auto;}
}
@media (max-width:479px){
  .banner-tags{gap:8px;}
  .banner-tag{padding:6px 12px;font-size:12px;}
  .banner-tag b{font-size:13px;}
}

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

/* roulang page: category2 */
:root{
  --primary:#FF4E1A;
  --primary-dark:#D93A0B;
  --primary-soft:#FFEDE5;
  --mint:#14D9A3;
  --mint-soft:#E4FBF4;
  --bg:#FFF8F4;
  --card:#FFFFFF;
  --section-bg:#F4F1EE;
  --dark:#1A1C22;
  --text:#14161B;
  --muted:#5A6169;
  --weak:#8B9299;
  --line:#EDE7E2;
  --r-lg:28px;
  --r-md:20px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 4px 16px rgba(20,22,27,.06);
  --shadow-2:0 16px 40px rgba(255,78,26,.16);
  --shadow-nav:0 2px 12px rgba(20,22,27,.08);
  --g-main:linear-gradient(120deg,#FF4E1A 0%,#FF7A18 48%,#FFC53D 100%);
  --g-mint:linear-gradient(90deg,#14D9A3 0%,#35E0C0 100%);
  --ease:180ms ease;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-weight:400;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.5px;line-height:1.4;}
h1{font-size:34px;line-height:1.25;}
h2{font-size:26px;line-height:1.4;}
h3{font-size:19px;line-height:1.5;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  .container{max-width:1320px;}
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--section-bg);}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;font-weight:500;
  color:var(--primary-dark);
  background:var(--primary-soft);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8;margin:0;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,248,244,.96);
  backdrop-filter:blur(8px);
  box-shadow:var(--shadow-nav);
}
.nav-inner{
  display:flex;align-items:center;gap:20px;
  min-height:76px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  flex:0 0 auto;color:var(--text);
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:40px;height:40px;border-radius:14px;
  background:var(--g-main);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 6px 16px rgba(255,78,26,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.5px;}
.brand-text span{font-size:12px;color:var(--weak);letter-spacing:.5px;}
.main-nav{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--muted);
  border-radius:var(--r-pill);
}
.nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.nav-link.is-active{color:var(--primary);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:3px;border-radius:3px;background:var(--primary);
}
.nav-cta{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  background:var(--g-main);
  color:#fff;font-size:15px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 8px 20px rgba(255,78,26,.24);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(255,78,26,.3);}
.nav-toggle{
  display:none;
  width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;color:var(--text);font-size:18px;
  align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:#fff;
  padding:12px 0 0;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-list{display:flex;flex-direction:column;padding:0 24px;}
.mobile-drawer .drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;font-size:16px;font-weight:500;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-drawer .drawer-list a.is-active{color:var(--primary);font-weight:700;}
.mobile-drawer .drawer-cta{margin:16px 24px 20px;}
.mobile-drawer .drawer-cta a{
  display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;border-radius:var(--r-pill);
  background:var(--g-main);color:#fff;font-size:16px;font-weight:700;
}

/* 页首横幅 */
.page-banner{
  position:relative;
  overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
  background:var(--g-main);
  min-height:280px;
  display:flex;align-items:center;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.14) 0 2px,rgba(255,255,255,0) 2px 14px);
  pointer-events:none;
}
.page-banner .banner-visual{
  position:absolute;top:0;right:0;bottom:0;width:52%;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  opacity:.9;
  mask-image:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.85) 45%,rgba(0,0,0,1) 100%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.85) 45%,rgba(0,0,0,1) 100%);
}
.banner-inner{position:relative;z-index:2;padding:56px 0;max-width:680px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.85);
  margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.85);text-decoration:none;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span.sep{opacity:.6;}
.page-banner h1{
  color:#fff;
  text-shadow:0 2px 12px rgba(140,40,0,.28);
  margin-bottom:14px;
}
.page-banner .banner-sub{
  color:rgba(255,255,255,.94);
  font-size:17px;
  font-weight:500;
  letter-spacing:.5px;
  margin:0;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.4);
  color:#fff;font-size:13px;font-weight:500;
}
.banner-tag i{font-size:12px;}

/* 能力大卡 */
.capability-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:24px;
  align-items:start;
}
.cap-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease);
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.cap-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.cap-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform var(--ease);
}
.cap-card:hover .cap-card__media img{transform:scale(1.03);}
.cap-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(26,28,34,0) 45%,rgba(26,28,34,.55) 100%);
}
.cap-card__label{
  position:absolute;left:20px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);font-size:13px;font-weight:700;
}
.cap-card__body{padding:24px;display:flex;flex-direction:column;gap:14px;flex:1;}
.cap-card__body h3{margin:0;}
.cap-card__body p{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}
.cap-badges{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--mint-soft);
  color:#0A8E6C;
  font-size:13px;font-weight:500;
  border:1px solid rgba(20,217,163,.28);
}
.badge b{font-weight:700;font-variant-numeric:tabular-nums;}
.badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--g-mint);
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.55;transform:scale(.86);}
}
@media (prefers-reduced-motion:reduce){
  .badge .dot{animation:none;}
  *{transition:none !important;}
}
.cap-side{display:grid;gap:24px;}
.cap-mini{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  padding:24px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.cap-mini:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(255,78,26,.3);}
.cap-mini__icon{
  width:48px;height:48px;border-radius:16px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);
  font-size:20px;
}
.cap-mini h3{font-size:18px;}
.cap-mini p{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}
.cap-mini .cap-badges{margin-top:2px;}

/* 对照式列表 */
.check-list{display:grid;gap:14px;}
.check-row{
  display:grid;
  grid-template-columns:200px minmax(0,1fr) 140px;
  align-items:center;gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.check-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.check-row__name{
  display:flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--text);
}
.check-row__name i{color:var(--primary);font-size:15px;}
.check-row__desc{font-size:15px;color:var(--muted);line-height:1.75;margin:0;}
.status-chip{
  justify-self:end;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:700;
  background:var(--mint-soft);color:#0A8E6C;
  border:1px solid rgba(20,217,163,.3);
  white-space:nowrap;
}
.status-chip--warn{
  background:var(--primary-soft);color:var(--primary-dark);
  border-color:rgba(255,78,26,.3);
}
.status-chip--warn .dot{background:var(--primary);}
.status-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);}

/* 核对清单 */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.tip-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:12px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.tip-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.tip-card__num{
  font-size:15px;font-weight:700;color:var(--primary);
  background:var(--primary-soft);
  border-radius:var(--r-pill);
  padding:4px 14px;align-self:flex-start;
  font-variant-numeric:tabular-nums;
}
.tip-card h3{font-size:18px;}
.tip-card p{color:var(--muted);font-size:15px;line-height:1.8;margin:0;}
.tips-note{
  margin-top:24px;
  background:var(--primary-soft);
  border-left:4px solid var(--primary);
  border-radius:var(--r-sm);
  padding:18px 22px;
  color:var(--muted);font-size:15px;
}
.tips-note b{color:var(--primary-dark);}

/* FAQ */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,360px) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside{position:sticky;top:110px;}
.faq-aside h2{margin-bottom:14px;}
.faq-aside p{color:var(--muted);font-size:15px;line-height:1.8;}
.faq-aside .aside-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-size:15px;font-weight:700;color:var(--primary);
}
.faq-aside .aside-link i{transition:transform var(--ease);}
.faq-aside .aside-link:hover i{transform:translateX(4px);}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:0 24px;
  box-shadow:var(--shadow-1);
  transition:border-color var(--ease);
}
.faq-item[open]{border-color:rgba(255,78,26,.32);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:64px;padding:16px 0;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item[open] summary{color:var(--primary);}
.faq-item summary .mark{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--section-bg);color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.faq-item[open] summary .mark{background:var(--primary);color:#fff;transform:rotate(180deg);}
.faq-item .faq-body{padding:0 0 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* CTA 横幅 */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--g-main);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(255,78,26,.22);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:16px 16px;
  pointer-events:none;
}
.cta-banner__text{position:relative;z-index:2;max-width:620px;}
.cta-banner h2{color:#fff;margin-bottom:10px;}
.cta-banner p{color:rgba(255,255,255,.92);font-size:16px;margin:0;}
.cta-banner__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;
  border-radius:var(--r-pill);
  font-size:16px;font-weight:700;letter-spacing:.5px;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{
  background:var(--g-main);color:#fff;
  box-shadow:0 10px 24px rgba(255,78,26,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,78,26,.34);}
.btn-ghost{
  background:#fff;color:var(--primary);
  border-color:rgba(255,78,26,.45);
}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:var(--primary);}
.btn-ghost-light{
  background:rgba(255,255,255,.14);color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn:active{transform:translateY(0);}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--primary);white-space:nowrap;
}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* 页脚 */
.site-footer{
  background:var(--dark);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  margin-top:88px;
  padding:64px 0 0;
  color:#B9BFC7;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  margin-bottom:18px;color:#fff;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--g-main);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.footer-brand b{display:block;font-size:17px;font-weight:700;color:#fff;letter-spacing:.5px;}
.footer-brand span span{font-size:12px;color:#8B9299;}
.site-footer p{color:#B9BFC7;font-size:14px;line-height:1.8;margin:0;max-width:380px;}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:700;
  margin-bottom:16px;letter-spacing:.5px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#B9BFC7;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:#8B9299;
}

/* 移动吸底 */
.sticky-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:64px;background:#fff;
  box-shadow:0 -6px 20px rgba(20,22,27,.12);
  padding:0 16px;
  align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:env(safe-area-inset-bottom);
}
.sticky-cta .sticky-text{
  display:flex;align-items:center;gap:10px;
  font-size:14px;font-weight:500;color:var(--text);
}
.sticky-cta .sticky-text i{color:var(--primary);font-size:18px;}
.sticky-cta .btn{min-height:44px;padding:10px 22px;font-size:15px;}

/* 响应式 */
@media (max-width:1023px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  .section{padding:64px 0;}
  .main-nav{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .capability-grid{grid-template-columns:minmax(0,1fr);}
  .faq-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .faq-aside{position:static;}
  .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .check-row{grid-template-columns:minmax(0,1fr) 120px;grid-template-areas:"name status" "desc desc";row-gap:8px;}
  .check-row__name{grid-area:name;}
  .check-row__desc{grid-area:desc;}
  .status-chip{grid-area:status;}
  .page-banner .banner-visual{width:60%;opacity:.75;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  h1{font-size:26px;line-height:1.3;}
  h2{font-size:21px;}
  h3{font-size:17px;}
  body{font-size:15px;line-height:1.75;}
  .page-banner{min-height:220px;border-radius:0 0 20px 20px;}
  .page-banner .banner-visual{width:100%;opacity:.42;}
  .banner-inner{padding:36px 0;}
  .tips-grid{grid-template-columns:minmax(0,1fr);}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:22px;}
  .cta-banner__actions{width:100%;}
  .cta-banner__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-cta{display:flex;}
  .site-footer{margin-bottom:64px;}
  .cap-card__body{padding:20px;}
  .cap-mini{padding:20px;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:16px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:479px){
  .banner-tags{gap:8px;}
  .banner-tag{padding:7px 12px;font-size:12px;}
  .check-row{padding:18px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0B;
  --brand-soft:#FFEDE5;
  --accent:#14D9A3;
  --accent-deep:#0B7A5D;
  --accent-soft:#E4FBF4;
  --grad-main:linear-gradient(120deg,#FF4E1A 0%,#FF7A18 48%,#FFC53D 100%);
  --grad-badge:linear-gradient(90deg,#14D9A3 0%,#35E0C0 100%);
  --page:#FFF8F4;
  --card:#FFFFFF;
  --section:#F4F1EE;
  --dark:#1A1C22;
  --text:#14161B;
  --muted:#5A6169;
  --weak:#8B9299;
  --line:#EDE7E2;
  --r-xl:28px;
  --r-lg:20px;
  --r-sm:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-1:0 4px 16px rgba(20,22,27,.06);
  --sh-2:0 16px 40px rgba(255,78,26,.16);
  --sh-nav:0 2px 12px rgba(20,22,27,.08);
  --container:1200px;
  --gutter:24px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  font-weight:400;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.5px;line-height:1.45;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::selection{background:var(--brand-soft);color:var(--brand-dark);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.97);
  box-shadow:var(--sh-nav);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad-main);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;box-shadow:0 6px 14px rgba(255,78,26,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text b{font-size:17px;color:var(--text);}
.brand-text em{font-style:normal;font-size:12px;color:var(--weak);letter-spacing:.5px;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 13px;border-radius:var(--r-sm);
  color:var(--muted);font-size:15px;position:relative;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);font-weight:500;}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:7px;
  height:3px;border-radius:3px;background:var(--grad-main);
}
.header-cta{display:flex;align-items:center;gap:10px;margin-left:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--text);cursor:pointer;
  align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:13px 26px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-main);color:#fff;box-shadow:0 8px 20px rgba(255,78,26,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,78,26,.3);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:#fff;}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18);color:var(--brand-dark);}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-size:15px;font-weight:500;
}
.text-link i{transition:transform .18s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{display:none;}

/* ---------- 页首横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;background:var(--grad-main);
}
.page-banner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.16) 0 2px,transparent 2px 13px);
  opacity:.55;
}
.banner-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;
  min-height:280px;padding-top:36px;padding-bottom:36px;
}
.banner-copy{max-width:640px;color:#fff;}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.22);color:#fff;
  font-size:13px;letter-spacing:.5px;
}
.page-banner h1{
  font-size:34px;line-height:1.25;color:#fff;
  margin:16px 0 12px;letter-spacing:.5px;
}
.banner-sub{font-size:16px;color:rgba(255,255,255,.94);}
.banner-actions{margin-top:24px;display:flex;gap:12px;flex-wrap:wrap;}
.banner-actions .btn-ghost{
  background:rgba(255,255,255,.14);
  border-color:rgba(255,255,255,.75);color:#fff;
}
.banner-actions .btn-ghost:hover{background:rgba(255,255,255,.26);color:#fff;}
.banner-art{
  position:absolute;right:-30px;top:0;bottom:0;width:42%;
  pointer-events:none;z-index:1;
}
.banner-art img{
  width:100%;height:100%;object-fit:cover;
  border-radius:var(--r-xl) 0 0 var(--r-xl);
  opacity:.9;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 42%);
  mask-image:linear-gradient(90deg,transparent 0,#000 42%);
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0;}
.section-tint{background:var(--section);}
.section-head{max-width:680px;margin-bottom:40px;}
.section-head h2{font-size:26px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;}

/* ---------- FAQ 分组 ---------- */
.faq-group{padding:76px 0;}
.faq-group + .faq-group{padding-top:0;}
.faq-layout{align-items:flex-start;}
.faq-aside{position:sticky;top:96px;padding-right:16px;}
.faq-aside h2{font-size:26px;line-height:1.4;}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px;}
.faq-aside .text-link{margin-top:18px;}
.faq-index{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--accent-deep);
  background:var(--accent-soft);border-radius:var(--r-pill);
  padding:5px 13px;margin-bottom:14px;
}

.accordion-list{display:flex;flex-direction:column;gap:14px;}
.acc-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-img);box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.acc-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.acc-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:500;color:var(--text);
  transition:color .18s ease;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary::marker{content:"";}
.acc-icon{
  position:relative;flex:0 0 26px;width:26px;height:26px;
  border-radius:50%;background:var(--brand-soft);
  transition:background-color .18s ease;
}
.acc-icon::before,.acc-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.acc-icon::before{width:12px;height:2px;}
.acc-icon::after{width:2px;height:12px;}
.acc-item[open]{border-color:rgba(255,78,26,.3);}
.acc-item[open] summary{color:var(--brand);}
.acc-item[open] .acc-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.acc-body{
  padding:0 22px 22px;
  color:var(--muted);font-size:15px;line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- 知识卡 ---------- */
.knowledge-grid{align-items:stretch;}
.k-card{
  height:100%;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.k-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.k-card-lg{border-radius:var(--r-xl);padding:24px;}
.k-card-img{
  border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/9;margin-bottom:20px;background:var(--section);
}
.k-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .18s ease;}
.k-card-lg:hover .k-card-img img{transform:scale(1.03);}
.k-card h3{font-size:19px;}
.k-card p{margin-top:10px;color:var(--muted);font-size:15px;}
.k-icon{
  width:44px;height:44px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:16px;
}
.k-icon.is-accent{background:var(--accent-soft);color:var(--accent-deep);}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:11px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.7;}
.check-list i{color:var(--accent);margin-top:6px;font-size:13px;flex:0 0 auto;}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:var(--accent-deep);
  font-size:13px;line-height:1.5;
}
.badge-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--grad-badge);
  animation:breathe 2s ease-in-out infinite;
}
@keyframes breathe{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.45;transform:scale(.82);}
}

/* ---------- 联系 CTA 卡 ---------- */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--dark);color:#fff;
  border-radius:var(--r-xl);padding:44px 40px;
  position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:18px 18px;opacity:.7;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:26px;color:#fff;}
.cta-copy p{margin-top:12px;color:#B9BFC7;font-size:15px;}
.cta-action{position:relative;z-index:2;}

/* ---------- 结尾横幅 ---------- */
.final-cta{
  position:relative;overflow:hidden;
  background:var(--grad-main);
  border-radius:var(--r-xl);
  padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.final-cta::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(120deg,rgba(255,255,255,.16) 0 2px,transparent 2px 14px);
  opacity:.5;
}
.final-copy{position:relative;z-index:2;max-width:640px;color:#fff;}
.final-copy h2{font-size:26px;color:#fff;}
.final-copy p{margin-top:12px;color:rgba(255,255,255,.94);font-size:15px;}
.final-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#B9BFC7;
  border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:64px 0 0;margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;font-size:16px;}
.footer-brand > span:last-child{display:flex;flex-direction:column;line-height:1.25;}
.footer-brand b{font-size:17px;color:#fff;}
.footer-brand span>span{font-size:12px;color:var(--weak);}
.footer-grid p{font-size:14px;line-height:1.85;color:#B9BFC7;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:#B9BFC7;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
  margin-top:48px;padding:20px 0 24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--weak);
}

/* ---------- 移动吸底条 ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
  background:#fff;box-shadow:0 -8px 24px rgba(20,22,27,.12);
}
.sticky-cta .sticky-text{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.sticky-cta .sticky-text i{color:var(--brand);font-size:17px;}
.sticky-cta .btn{padding:11px 22px;min-height:44px;}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1320px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .header-cta .btn-primary{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-cta{margin-left:0;}

  .mobile-drawer{
    display:block;position:fixed;left:0;right:0;top:72px;bottom:0;z-index:59;
    background:#fff;padding:16px 20px 110px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .2s ease,opacity .2s ease;
    box-shadow:var(--sh-nav);
  }
  .mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;
    min-height:52px;padding:0 16px;border-radius:var(--r-sm);
    color:var(--text);font-size:16px;background:var(--page);
  }
  .drawer-link:hover{background:var(--brand-soft);color:var(--brand);}
  .drawer-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:500;}
  .drawer-link::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--weak);}
  .drawer-cta .btn{width:100%;}

  .section{padding:56px 0;}
  .faq-group{padding:56px 0;}
  .faq-group + .faq-group{padding-top:0;}
  .faq-aside{position:static;padding-right:0;margin-bottom:24px;}
  .page-banner h1{font-size:26px;}
  .banner-inner{min-height:220px;padding-top:28px;padding-bottom:28px;}
  .banner-art{width:52%;right:-44px;opacity:.6;}
  .cta-card,.final-cta{padding:32px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sticky-cta{display:flex;}
  body{padding-bottom:72px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .banner-art{display:none;}
  .banner-actions .btn{flex:1 1 auto;}
  .cta-action{width:100%;}
  .cta-action .btn{width:100%;}
  .final-actions{width:100%;}
  .final-actions .btn{flex:1 1 auto;}
}
@media (max-width:479px){
  .page-banner h1{font-size:24px;}
  .section-head h2,.faq-aside h2,.cta-copy h2,.final-copy h2{font-size:21px;}
  .acc-item summary{font-size:16px;padding:16px 18px;}
  .acc-body{padding:14px 18px 18px;}
  .k-card{padding:20px;}
}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}