/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-d:#E14A12;
  --brand-l:#FF7A45;
  --brand-tint:#FFF2EB;
  --gold:#FFB020;
  --green:#12B886;
  --green-d:#0B8F6A;
  --green-tint:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --text:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --dark:#14181F;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-dark:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-data:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --r-xs:10px;
  --r-sm:12px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-2xl:32px;
  --sh:0 1px 2px rgba(18,22,28,.04),0 8px 24px rgba(18,22,28,.06);
  --sh-h:0 12px 32px rgba(18,22,28,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
a{color:var(--brand-d);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;}
::selection{background:rgba(255,90,31,.18);}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:999px;}
::-webkit-scrollbar-track{background:transparent;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- 左侧 App Shell ---------- */
.app-side{
  position:fixed;top:0;left:0;width:248px;height:100vh;
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  overflow-y:auto;z-index:1040;
  padding:0 16px 20px;
}
.side-logo{
  height:72px;display:flex;align-items:center;gap:10px;
  padding:0 6px;flex-shrink:0;
  border-bottom:1px solid var(--line);
  margin-bottom:14px;
}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;box-shadow:0 6px 16px rgba(255,90,31,.32);
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text b{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.6px;}
.side-label{
  font-size:11px;color:var(--muted);letter-spacing:1.4px;
  padding:0 10px;margin:10px 0 8px;
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-link{
  display:flex;align-items:center;gap:11px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  color:var(--text);font-size:15px;font-weight:500;
  position:relative;transition:all var(--t);
}
.side-link i{width:20px;text-align:center;font-size:15px;color:var(--muted);transition:color var(--t);}
.side-link:hover{background:#F7F8FA;color:var(--ink);transform:translateX(2px);}
.side-link:hover i{color:var(--brand);}
.side-link.active{
  background:var(--brand-tint);color:var(--brand-d);font-weight:700;
}
.side-link.active i{color:var(--brand-d);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:999px;background:var(--grad);
}
.side-join{
  margin-top:22px;border-radius:16px;padding:16px;
  background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.26);
}
.side-join p{font-size:13px;line-height:1.65;color:rgba(255,255,255,.94);}
.side-join a{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:11px;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;color:var(--brand-d);font-size:13px;font-weight:700;
}
.side-join a:hover{background:#FFF6EE;color:var(--brand-d);}
.side-foot{
  margin-top:auto;padding:18px 10px 0;font-size:12px;color:var(--muted);
  line-height:1.7;border-top:1px solid var(--line);
}
.side-foot a{color:var(--muted);}
.side-foot a:hover{color:var(--brand);}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:60px;z-index:1035;
  background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .logo-text b{font-size:16px;}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:17px;
  display:flex;align-items:center;justify-content:center;
  transition:all var(--t);
}
.burger:hover{border-color:rgba(255,90,31,.4);color:var(--brand-d);}
.side-drawer{
  width:82vw;max-width:320px;
  border-top-right-radius:24px;border-bottom-right-radius:24px;
  border-right:0;
}
.side-drawer .offcanvas-body{padding:0 16px 24px;display:flex;flex-direction:column;}
.side-drawer .side-nav{flex:1;}

/* ---------- 主内容 ---------- */
.app-main{margin-left:248px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 36px;}
.section{padding:80px 0 0;}
.section-first{padding-top:36px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:28px;
}
.sec-title{font-size:32px;line-height:1.25;letter-spacing:-.4px;}
.sec-sub{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px;}
.sec-link{
  font-size:14px;font-weight:700;color:var(--brand-d);
  border-bottom:1px solid rgba(255,90,31,.35);
  padding-bottom:2px;white-space:nowrap;
}
.sec-link:hover{border-bottom-color:var(--brand);}

/* ---------- Hero ---------- */
.hero-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-2xl);
  background:var(--grad);
  padding:64px 56px;
  color:#fff;
  box-shadow:0 24px 60px rgba(255,90,31,.22);
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px, transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.18);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;font-weight:600;color:#fff;letter-spacing:.2px;
}
.hero-card h1{
  margin-top:20px;
  font-size:clamp(32px,4.2vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.5px;
  color:#fff;
}
.hero-sub{
  margin-top:16px;font-size:17px;line-height:1.75;
  color:rgba(255,255,255,.94);max-width:34em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:all var(--t);cursor:pointer;
}
.btn-brand{background:#fff;color:var(--brand-d);box-shadow:0 10px 24px rgba(18,22,28,.14);}
.btn-brand:hover{background:#FFF6EE;color:var(--brand-d);transform:translateY(-1px);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px);}
.btn-brand:focus-visible,.btn-ghost:focus-visible,a:focus-visible,button:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.28);
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.28);
}
.stat-pill{
  flex:1 1 116px;min-width:110px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.26);
  border-radius:999px;padding:10px 16px;
}
.stat-pill b{display:block;font-size:24px;line-height:1.2;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}
.stat-pill span{font-size:12px;color:rgba(255,255,255,.88);letter-spacing:.2px;}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:0 20px 48px rgba(18,22,28,.28);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(255,90,31,.30),rgba(20,24,31,.42));
}
.hero-media-cap{
  position:absolute;left:18px;bottom:16px;z-index:3;
  background:rgba(20,24,31,.55);
  border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:7px 15px;font-size:12.5px;color:#fff;
  backdrop-filter:blur(4px);
}

/* ---------- 数据徽章条 ---------- */
.metric-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px;
}
.metric-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:16px;padding:20px 20px 18px;box-shadow:var(--sh);
  overflow:hidden;transition:all var(--t);
}
.metric-card::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:999px;
  background:var(--grad);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);}
.metric-card b{display:block;font-size:26px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;}
.metric-card span{font-size:13px;color:var(--muted);}

/* ---------- 服务板块（不对称） ---------- */
.svc-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);transition:all var(--t);
  display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,31,.28);}
.svc-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.svc-card p{font-size:15px;color:var(--text);}
.svc-icon{
  width:46px;height:46px;border-radius:14px;margin-bottom:18px;
  display:flex;align-items:center;justify-content:center;font-size:19px;color:#fff;
}
.svc-icon.i-brand{background:var(--grad);}
.svc-icon.i-green{background:var(--grad-data);}
.svc-icon.i-violet{background:linear-gradient(135deg,#6E5BFF,#9C8CFF);}
.svc-lead{
  grid-row:span 2;background:#fff;border:1px solid var(--line);
  position:relative;overflow:hidden;
}
.svc-lead .svc-lead-img{
  border-radius:16px;overflow:hidden;margin-bottom:20px;aspect-ratio:16/9;
}
.svc-lead .svc-lead-img img{width:100%;height:100%;object-fit:cover;}
.svc-list{list-style:none;padding:0;margin:16px 0 0;display:flex;flex-direction:column;gap:9px;}
.svc-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text);}
.svc-list li i{color:var(--green);font-size:13px;margin-top:7px;}
.svc-stack{display:grid;gap:24px;}
.svc-mini{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh);transition:all var(--t);
}
.svc-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,31,.28);}
.svc-mini .svc-icon{margin-bottom:0;flex-shrink:0;width:42px;height:42px;font-size:17px;border-radius:12px;}

/* ---------- 资讯卡片 ---------- */
.news-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:all var(--t);color:var(--text);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:rgba(255,90,31,.28);color:var(--text);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FFF2EB,#FFE6D6);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.chip{
  display:inline-flex;align-items:center;align-self:flex-start;
  height:22px;padding:0 10px;border-radius:999px;
  background:var(--brand-tint);color:var(--brand-d);
  font-size:12px;font-weight:700;letter-spacing:.4px;margin-bottom:12px;
}
.news-title{
  font-size:19px;line-height:1.45;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:16px;font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:10px;letter-spacing:.2px;
}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9D0DA;}
.news-card--lead{flex-direction:row;}
.news-card--lead .news-thumb{flex:0 0 46%;aspect-ratio:auto;height:100%;min-height:250px;}
.news-card--lead .news-body{padding:28px;}
.news-card--lead .news-title{font-size:22px;-webkit-line-clamp:3;}
.news-card--lead .news-desc{-webkit-line-clamp:3;}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
  color:var(--muted);font-size:15px;
}
.empty-state i{font-size:44px;color:#D6DCE4;}
.btn-outline-sm{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:14px;font-weight:600;transition:all var(--t);
}
.btn-outline-sm:hover{border-color:var(--brand);color:var(--brand-d);}

/* ---------- 权益对比表 ---------- */
.plan-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow-x:auto;
}
.plan-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;}
.plan-table th,.plan-table td{
  padding:16px 20px;text-align:center;font-size:14.5px;border-bottom:1px solid var(--line);
}
.plan-table thead th{
  background:#fff;vertical-align:top;padding-top:24px;padding-bottom:22px;
  position:sticky;top:0;z-index:3;
}
.plan-table th.rowhead,.plan-table td.rowhead{
  text-align:left;font-weight:600;color:var(--ink);width:210px;
  background:#fff;position:sticky;left:0;z-index:2;
}
.plan-table thead th.rowhead{z-index:4;}
.plan-table tbody tr:hover td{background:#FFFBF7;}
.plan-table tbody tr:hover td.rowhead{background:#FFFBF7;}
.plan-name{display:block;font-size:16px;font-weight:700;color:var(--ink);}
.plan-price{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-tint);color:var(--brand-d);font-size:13px;font-weight:700;
  margin-top:8px;font-variant-numeric:tabular-nums;
}
.plan-note{display:block;font-size:12.5px;color:var(--muted);margin-top:8px;font-weight:400;}
.plan-table th.feat, .plan-table td.feat{
  background:var(--brand-tint);border-left:2px solid var(--brand);border-right:2px solid var(--brand);
}
.plan-table thead th.feat{border-top:2px solid var(--brand);border-radius:16px 16px 0 0;position:relative;}
.plan-table tbody tr:last-child td.feat{border-bottom:2px solid var(--brand);border-radius:0 0 16px 16px;}
.plan-table tbody tr:last-child td{border-bottom:0;}
.plan-table tbody tr:last-child td.rowhead{border-bottom-left-radius:var(--r-lg);}
.rec-pill{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  height:22px;padding:0 12px;border-radius:999px;background:var(--grad);
  color:#fff;font-size:12px;font-weight:700;letter-spacing:.4px;
  display:inline-flex;align-items:center;
}
.yes{color:var(--brand);font-size:15px;}
.no{color:#BFC7D2;font-size:15px;}
.plan-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:16px;margin-top:20px;
}
.plan-foot p{font-size:13px;color:var(--muted);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-md);
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  border:0;box-shadow:0 10px 24px rgba(255,90,31,.28);transition:all var(--t);
}
.btn-solid:hover{filter:brightness(1.04);color:#fff;transform:translateY(-1px);}
.btn-solid:active{transform:translateY(1px);}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:24px;align-items:start;}
.tier-card{
  border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;
  padding:28px;box-shadow:var(--sh);transition:all var(--t);position:relative;
}
.tier-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);}
.tier-card.tint-a{background:#fff;}
.tier-card.tint-b{background:var(--brand-tint);border-color:rgba(255,90,31,.3);margin-top:26px;}
.tier-card.tint-c{background:var(--green-tint);border-color:rgba(18,184,134,.28);margin-top:12px;}
.tier-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.tb-a{background:#EEF1F5;color:#4A5567;}
.tb-b{background:var(--grad);color:#fff;}
.tb-c{background:var(--grad-data);color:#fff;}
.tier-card h3{font-size:20px;margin-top:14px;}
.tier-price{
  font-size:30px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;
  margin-top:6px;line-height:1.2;
}
.tier-price small{font-size:13px;color:var(--muted);font-weight:500;margin-left:4px;}
.tier-list{list-style:none;padding:0;margin:18px 0 22px;display:flex;flex-direction:column;gap:10px;}
.tier-list li{display:flex;gap:10px;font-size:14.5px;}
.tier-list li i{font-size:13px;margin-top:7px;color:var(--brand);}
.tier-card.tint-c .tier-list li i{color:var(--green-d);}
.tier-card .btn-outline-sm{width:100%;}

/* ---------- 专属内容预览 ---------- */
.ex-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.ex-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:all var(--t);aspect-ratio:16/10;
  background:linear-gradient(135deg,#FFF2EB,#FFE6D6);
}
.ex-card.big{grid-column:span 3;aspect-ratio:16/9;}
.ex-card.small{grid-column:span 2;}
.ex-card img{width:100%;height:100%;object-fit:cover;}
.ex-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,31,0) 38%,rgba(20,24,31,.78) 100%);
}
.ex-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);}
.ex-cap{position:absolute;left:20px;right:20px;bottom:18px;z-index:3;color:#fff;}
.ex-cap h3{color:#fff;font-size:17px;line-height:1.4;}
.ex-cap p{font-size:12.5px;color:rgba(255,255,255,.86);margin-top:6px;}
.ex-flag{
  position:absolute;top:14px;left:14px;z-index:3;
  height:22px;padding:0 10px;border-radius:999px;
  background:rgba(110,91,255,.92);color:#fff;font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;letter-spacing:.4px;
}
.ex-lock{
  position:absolute;top:14px;right:14px;z-index:3;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(20,24,31,.55);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12px;display:inline-flex;align-items:center;gap:6px;
  backdrop-filter:blur(4px);
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:940px;}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:16px!important;
  margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh);
}
.accordion-button{
  font-size:16px;font-weight:700;color:var(--ink);background:#fff;
  padding:20px 56px 20px 22px;border:0;box-shadow:none!important;
  position:relative;transition:all var(--t);
}
.accordion-button:not(.collapsed){color:var(--brand-d);background:#FFFBF7;}
.accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:26px;height:26px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  transition:transform var(--t),background var(--t);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);background:var(--grad);color:#fff;}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(255,90,31,.18)!important;}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text);line-height:1.85;}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--brand)!important;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-2xl);
  background:var(--grad);padding:56px;color:#fff;
  box-shadow:0 24px 60px rgba(255,90,31,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.26),rgba(255,255,255,0) 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.cta-grid h2{color:#fff;font-size:32px;line-height:1.25;letter-spacing:-.4px;}
.cta-grid p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.94);}
.cta-form{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(4px);
}
.cta-form label{display:block;font-size:13px;font-weight:700;margin-bottom:8px;color:#fff;}
.cta-input{
  width:100%;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.45);
  background:rgba(255,255,255,.94);padding:0 14px;font-size:15px;color:var(--ink);
  transition:all var(--t);
}
.cta-input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.28);}
.cta-form .btn-solid{width:100%;margin-top:14px;background:#fff;color:var(--brand-d);box-shadow:none;}
.cta-form .btn-solid:hover{background:#FFF6EE;color:var(--brand-d);}
.cta-agree{
  display:flex;align-items:flex-start;gap:8px;margin-top:14px;
  font-size:12.5px;color:rgba(255,255,255,.9);line-height:1.6;
}
.cta-agree input{margin-top:4px;accent-color:#fff;}
.cta-note{margin-top:16px;font-size:12.5px;color:rgba(255,255,255,.86);}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:80px;background:var(--dark);color:#A9B2C0;
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,#FF5A1F,#FFB020,#12B886) 1;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;
  padding:56px 0 36px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand b{color:#fff;font-size:17px;}
.site-foot p{font-size:14px;line-height:1.8;color:#9AA4B2;}
.site-foot h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.2px;}
.foot-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.foot-links a{color:#9AA4B2;font-size:14px;}
.foot-links a:hover{color:var(--brand-l);}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 28px;font-size:13px;color:#7F8A99;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.foot-bottom span{letter-spacing:.2px;}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .wrap{max-width:1140px;}
}
@media (max-width:1199px){
  .hero-card{padding:52px 40px;}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:991px){
  .app-side{display:none;}
  .app-main{margin-left:0;padding-top:60px;}
  .wrap{padding:0 24px;}
  .section{padding:56px 0 0;}
  .section-first{padding-top:24px;}
  .metric-row{grid-template-columns:repeat(2,1fr);}
  .svc-grid{grid-template-columns:1fr;}
  .svc-lead{grid-row:auto;}
  .tier-grid{grid-template-columns:1fr 1fr;}
  .tier-card.tint-b,.tier-card.tint-c{margin-top:0;}
  .ex-grid{grid-template-columns:repeat(4,1fr);}
  .ex-card.big{grid-column:span 4;}
  .ex-card.small{grid-column:span 2;}
  .news-card--lead{flex-direction:column;}
  .news-card--lead .news-thumb{flex:auto;min-height:0;aspect-ratio:16/9;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media{aspect-ratio:16/9;}
  .cta-band{padding:40px 28px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .sec-title{font-size:27px;}
}
@media (max-width:767px){
  .wrap{padding:0 18px;}
  .section{padding:44px 0 0;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .sec-title{font-size:24px;}
  .hero-card{padding:36px 22px;border-radius:24px;}
  .hero-card h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{flex:1 1 100%;}
  .metric-row{grid-template-columns:1fr 1fr;gap:14px;}
  .tier-grid{grid-template-columns:1fr;}
  .ex-grid{grid-template-columns:repeat(2,1fr);}
  .ex-card.big,.ex-card.small{grid-column:span 2;}
  .foot-grid{grid-template-columns:1fr 1fr;padding:40px 0 24px;}
  .plan-table th,.plan-table td{padding:13px 14px;}
  .svc-mini{flex-direction:column;gap:14px;}
  .cta-grid h2{font-size:24px;}
}
@media (max-width:575px){
  .hero-card h1{font-size:27px;}
  .metric-row{grid-template-columns:1fr;}
  .ex-grid{grid-template-columns:1fr;}
  .ex-card.big,.ex-card.small{grid-column:span 1;}
  .foot-grid{grid-template-columns:1fr;}
  .stat-pill{flex:1 1 45%;}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E14A12;
  --brand-light:#FF7A45;
  --brand-tint:#FFF2EB;
  --gold:#FFB020;
  --teal:#12B886;
  --teal-dark:#0B8F6A;
  --teal-tint:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --body:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --dark:#14181F;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-deep:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-data:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --sh-1:0 1px 2px rgba(18,22,28,.04),0 8px 24px rgba(18,22,28,.06);
  --sh-2:0 12px 32px rgba(18,22,28,.10);
  --t:180ms cubic-bezier(.2,.7,.3,1);
  --shell:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,90,31,.28);outline-offset:2px;border-radius:8px;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,90,31,.18);}
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:99px;}
::-webkit-scrollbar-track{background:transparent;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}
.wrap{max-width:1200px;margin:0 auto;padding:0 36px;}

/* ---------- 左侧 App Shell ---------- */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 16px 18px;overflow-y:auto;z-index:1045;
}
.brand-row{
  height:72px;display:flex;align-items:center;gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:15px;box-shadow:0 6px 14px rgba(255,90,31,.28);
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:6px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:12px;
  font-size:15px;color:var(--body);transition:var(--t);
}
.side-link i{width:20px;font-size:15px;color:var(--muted);transition:var(--t);text-align:center;}
.side-link:hover{background:var(--page);transform:translateX(2px);}
.side-link:hover i{color:var(--brand);}
.side-link.active{background:var(--brand-tint);color:var(--brand-dark);font-weight:700;}
.side-link.active i{color:var(--brand-dark);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad);
}
.side-cta{
  margin-top:auto;border-radius:16px;padding:16px;color:#fff;
  background:var(--grad);box-shadow:0 10px 24px rgba(255,90,31,.25);
}
.side-cta h4{color:#fff;font-size:15px;margin-bottom:6px;}
.side-cta p{font-size:12.5px;line-height:1.65;color:rgba(255,255,255,.9);margin-bottom:12px;}
.side-cta a{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--brand-dark);font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:999px;transition:var(--t);
}
.side-cta a:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(18,22,28,.18);}
.side-foot{
  margin-top:14px;font-size:12px;color:var(--muted);letter-spacing:.2px;
  padding-top:12px;border-top:1px solid var(--line);
}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.mob-brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;color:var(--ink);}
.mob-btn{
  width:42px;height:42px;border-radius:12px;background:var(--brand-tint);
  color:var(--brand-dark);font-size:17px;display:flex;align-items:center;justify-content:center;
  transition:var(--t);
}
.mob-btn:hover{background:#FFE4D6;}
.side-mask{
  position:fixed;inset:0;background:rgba(18,22,28,.5);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:1044;
}
.side-mask.show{opacity:1;visibility:visible;}

/* ---------- 主内容 ---------- */
.app-main{margin-left:var(--shell);min-height:100vh;display:flex;flex-direction:column;}
.main-body{flex:1 1 auto;}

/* ---------- 面包屑吸顶条 ---------- */
.crumb-bar{
  position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.crumb-bar.stuck{box-shadow:0 6px 18px rgba(18,22,28,.06);}
.crumb-inner{
  min-height:52px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding-top:8px;padding-bottom:8px;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-dark);}
.crumb .sep{color:#C9D1DC;}
.crumb .cur{color:#9AA4B2;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.crumb-links{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.crumb-links a{
  font-size:13px;color:var(--body);padding:6px 12px;border-radius:999px;
  background:var(--page);transition:var(--t);
}
.crumb-links a:hover{background:var(--brand-tint);color:var(--brand-dark);}

/* ---------- 文章头部 ---------- */
.post{padding:40px 0 8px;}
.post-head{max-width:820px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;
  border-radius:999px;font-size:12px;letter-spacing:.4px;font-weight:700;
}
.pill-brand{background:var(--brand-tint);color:var(--brand-dark);}
.pill-teal{background:var(--teal-tint);color:var(--teal-dark);}
.pill-violet{background:rgba(110,91,255,.1);color:var(--violet);}
.pill-soft{background:var(--page);color:var(--muted);}
.post-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.post-head h1{
  font-size:clamp(28px,3.2vw,40px);line-height:1.3;letter-spacing:-.5px;font-weight:700;
  margin-bottom:16px;
}
.post-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);letter-spacing:.2px;margin-bottom:26px;
}
.post-meta i{margin-right:5px;color:#A9B2BF;}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:#D5DBE3;}
.post-meta b{color:var(--ink);}

/* ---------- 图文栅格 ---------- */
.post-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start;padding-bottom:20px;}
.post-cover{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-1);margin-bottom:28px;
}
.post-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 34px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.85;color:var(--body);
}
.article-body p{margin:0 0 18px;}
.article-body h2{font-size:26px;line-height:1.35;margin:40px 0 14px;font-weight:700;}
.article-body h3{font-size:20px;line-height:1.4;margin:28px 0 12px;font-weight:700;}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;list-style:revert;}
.article-body li{margin-bottom:10px;}
.article-body img{border-radius:16px;margin:18px 0;}
.article-body a{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--brand-tint);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--page);color:var(--ink);font-weight:700;}
.article-body strong{color:var(--ink);}
.empty-state{
  padding:56px 20px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:44px;color:#D5DBE3;display:block;margin-bottom:14px;}
.empty-state p{font-size:15px;margin-bottom:18px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  color:var(--ink);font-size:14.5px;font-weight:700;transition:var(--t);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}

/* 标签与分享 */
.post-tail{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:24px;padding-top:20px;border-top:1px dashed var(--line);
}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;}
.tag-row a{
  font-size:13px;color:var(--body);background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:999px;transition:var(--t);
}
.tag-row a:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-tint);}
.share-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.share-row b{color:var(--ink);}
.share-btn{
  width:34px;height:34px;border-radius:10px;background:var(--page);color:var(--muted);
  display:flex;align-items:center;justify-content:center;transition:var(--t);
}
.share-btn:hover{background:var(--brand-tint);color:var(--brand-dark);transform:translateY(-2px);}

/* ---------- 侧栏 ---------- */
.post-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:76px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:4px;height:15px;border-radius:3px;background:var(--grad);
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--body);
  padding:9px 10px;border-radius:10px;transition:var(--t);
}
.toc-list a:hover{background:var(--brand-tint);color:var(--brand-dark);transform:translateX(2px);}
.toc-list i{font-size:12px;color:var(--brand);}
.rank-list{display:flex;flex-direction:column;gap:2px;}
.rank-list a{
  display:flex;gap:11px;align-items:flex-start;padding:10px;border-radius:12px;transition:var(--t);
}
.rank-list a:hover{background:var(--page);}
.rank-no{
  flex:0 0 22px;height:22px;border-radius:8px;background:var(--page);color:var(--muted);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.rank-list a:nth-child(1) .rank-no{background:var(--grad);color:#fff;}
.rank-list a:nth-child(2) .rank-no{background:var(--brand-tint);color:var(--brand-dark);}
.rank-list a:nth-child(3) .rank-no{background:var(--brand-tint);color:var(--brand-dark);}
.rank-txt{font-size:14px;line-height:1.6;color:var(--body);}
.rank-list a:hover .rank-txt{color:var(--brand-dark);}
.join-card{
  background:var(--grad);border:0;color:#fff;border-radius:var(--r-lg);
  padding:22px;box-shadow:0 14px 30px rgba(255,90,31,.24);
}
.join-card h3{color:#fff;font-size:17px;margin-bottom:8px;display:block;}
.join-card h3::before{display:none;}
.join-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.92);margin-bottom:16px;}
.join-card .btn-main{
  display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:44px;
  border-radius:12px;background:#fff;color:var(--brand-dark);font-size:14.5px;font-weight:700;
  transition:var(--t);
}
.join-card .btn-main:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(18,22,28,.2);}
.join-mini{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap;}
.join-mini span{
  font-size:11.5px;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.2);color:#fff;letter-spacing:.2px;
}

/* ---------- 相关推荐 ---------- */
.rel-block{padding:56px 0 8px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;}
.sec-head h2{font-size:26px;letter-spacing:-.3px;}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{
  display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;transition:var(--t);box-shadow:var(--sh-1);
}
.rel-item:hover{transform:translateY(-3px);border-color:rgba(255,90,31,.28);box-shadow:var(--sh-2);}
.rel-item img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;}
.rel-item h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.rel-item:hover h3{color:var(--brand-dark);}
.rel-item .rel-meta{font-size:13px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap;align-items:center;}
.rel-item .rel-meta i{margin-right:5px;color:#A9B2BF;}
.rel-more{margin-top:24px;}

/* ---------- FAQ ---------- */
.faq-block{padding:56px 0 8px;}
.accordion-item{
  border:1px solid var(--line);border-radius:16px !important;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  background:#fff;color:var(--ink);font-size:16px;font-weight:700;
  padding:18px 54px 18px 22px;box-shadow:none !important;border:0;
  font-family:inherit;
}
.accordion-button:not(.collapsed){background:var(--brand-tint);color:var(--brand-dark);}
.accordion-button::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--page);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  background-image:none !important;transition:var(--t);line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"+";transform:translateY(-50%) rotate(45deg);background:#fff;}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:0 3px 3px 0;background:transparent;transition:var(--t);
}
.accordion-button:not(.collapsed)::before{background:var(--grad);}
.accordion-body{padding:4px 22px 20px;font-size:15px;line-height:1.85;color:var(--body);}

/* ---------- CTA ---------- */
.cta-block{padding:56px 0 72px;}
.cta-card{
  background:var(--grad);border-radius:32px;padding:48px 52px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:36px;align-items:center;
  box-shadow:0 20px 50px rgba(255,90,31,.26);position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.1);
}
.cta-card h2{color:#fff;font-size:30px;line-height:1.3;margin-bottom:12px;letter-spacing:-.4px;}
.cta-card p{font-size:14.5px;color:rgba(255,255,255,.94);line-height:1.8;max-width:520px;}
.cta-form{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 180px;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.5);
  background:rgba(255,255,255,.96);padding:0 16px;font-size:14px;color:var(--ink);
  font-family:inherit;transition:var(--t);
}
.cta-form input::placeholder{color:#98A1AE;}
.cta-form input:focus{outline:3px solid rgba(255,255,255,.55);outline-offset:1px;border-color:#fff;}
.cta-form button{
  flex:0 0 auto;height:46px;padding:0 24px;border-radius:12px;background:var(--dark);
  color:#fff;font-size:14.5px;font-weight:700;transition:var(--t);
}
.cta-form button:hover{background:#000;transform:translateY(-1px);}
.cta-note{font-size:12px;color:rgba(255,255,255,.86);margin-top:12px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-foot{
  background:var(--dark);color:#9AA4B2;padding:56px 0 26px;margin-top:auto;
  border-top:1px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border-top:1px solid rgba(255,90,31,.5);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:16.5px;}
.site-foot p{font-size:13.5px;line-height:1.85;color:#8D97A5;max-width:360px;}
.site-foot h4{color:#fff;font-size:14.5px;margin-bottom:14px;}
.foot-links li{margin-bottom:10px;}
.foot-links a,.foot-links span{font-size:13.5px;color:#8D97A5;transition:var(--t);}
.foot-links a:hover{color:var(--brand-light);}
.foot-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:14px;flex-wrap:wrap;
  font-size:12.5px;color:#6E7787;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .wrap{max-width:1140px;}
}
@media (max-width:1199.98px){
  .post-grid{grid-template-columns:minmax(0,1fr);}
  .post-side{position:static;top:auto;flex-direction:row;flex-wrap:wrap;}
  .post-side>.side-card{flex:1 1 280px;}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:40px 34px;}
}
@media (max-width:991.98px){
  .side-shell{
    top:0;bottom:0;left:0;right:auto;width:82vw;max-width:320px;
    transform:translateX(-102%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
    border-right:0;border-radius:0 24px 24px 0;box-shadow:0 0 40px rgba(18,22,28,.3);
  }
  .side-shell.open{transform:translateX(0);}
  .mobile-bar{display:flex;}
  .app-main{margin-left:0;padding-top:60px;}
  .crumb-bar{top:60px;}
  .wrap{padding:0 22px;}
  .crumb-links{display:none;}
  .post{padding:28px 0 4px;}
  .post-side{flex-direction:column;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-foot p{max-width:none;}
}
@media (max-width:767.98px){
  .article-body{padding:24px 20px;font-size:16px;}
  .article-body h2{font-size:22px;margin-top:30px;}
  .article-body h3{font-size:18px;margin-top:22px;}
  .rel-item{grid-template-columns:130px minmax(0,1fr);gap:14px;}
  .cta-card{padding:34px 24px;border-radius:24px;}
  .cta-card h2{font-size:24px;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .foot-grid{grid-template-columns:1fr;}
  .post-tail{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .post-head h1{font-size:26px;}
  .rel-item{grid-template-columns:minmax(0,1fr);}
  .rel-item img{aspect-ratio:16/9;}
  .cta-form input,.cta-form button{flex:1 1 100%;width:100%;}
  .brand-text{font-size:16px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E14A12;
  --brand-light:#FF7A45;
  --brand-tint:#FFF2EB;
  --gold:#FFB020;
  --teal:#12B886;
  --teal-dark:#0B8F6A;
  --teal-tint:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --text:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --deep:#14181F;
  --r-xs:10px;
  --r-sm:12px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-2xl:32px;
  --sh-1:0 1px 2px rgba(18,22,28,.04), 0 8px 24px rgba(18,22,28,.06);
  --sh-2:0 12px 32px rgba(18,22,28,.10);
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-deep:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-data:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --shell:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:rgba(255,90,31,.18);}
*::-webkit-scrollbar{width:8px;height:8px;}
*::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:999px;}
*::-webkit-scrollbar-track{background:transparent;}
:focus-visible{outline:3px solid rgba(255,90,31,.28);outline-offset:2px;border-radius:8px;}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ============ 左侧 App Shell ============ */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--shell);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:0 16px 18px;overflow-y:auto;z-index:1040;
}
.side-brand{
  height:72px;display:flex;align-items:center;gap:10px;
  flex:0 0 72px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;flex:0 0 34px;
  box-shadow:0 6px 16px rgba(255,90,31,.30);
}
.side-brand b{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text);font-weight:500;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.side-link i{width:20px;font-size:17px;text-align:center;color:var(--muted);transition:color var(--ease);}
.side-link:hover{background:#F7F8FA;color:var(--ink);transform:translateX(2px);}
.side-link:hover i{color:var(--brand);}
.side-link.active{background:var(--brand-tint);color:var(--brand-dark);font-weight:600;}
.side-link.active i{color:var(--brand-dark);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad);
}
.side-cta{
  margin-top:auto;padding:18px;border-radius:16px;background:var(--grad);
  color:#fff;box-shadow:0 10px 26px rgba(255,90,31,.24);
}
.side-cta h5{margin:0 0 6px;font-size:14px;font-weight:700;color:#fff;}
.side-cta p{font-size:12px;line-height:1.6;color:rgba(255,255,255,.88);margin-bottom:12px;}
.side-cta a{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:999px;
  background:#fff;color:var(--brand-dark);font-size:13px;font-weight:700;
}
.side-cta a:hover{color:var(--brand);}
.side-copy{font-size:12px;color:var(--muted);margin-top:14px;line-height:1.6;}

/* ============ 移动端顶栏 & 抽屉 ============ */
.top-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1045;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.top-bar .side-brand{height:60px;flex:0 0 60px;border:none;margin:0;}
.burger{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
}
.burger:hover{border-color:var(--brand);color:var(--brand);}
.offcanvas.app-drawer{
  width:82vw;max-width:320px;border-radius:0 24px 24px 0;
  border-right:1px solid var(--line);padding:0 16px 18px;
}
.app-drawer .drawer-head{
  height:64px;display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line);margin-bottom:14px;
}
.app-drawer .btn-close{font-size:12px;}
.offcanvas-backdrop.show{opacity:.5;background:#12161C;}

/* ============ 主内容 ============ */
.main{margin-left:var(--shell);}
.sticky-bar{
  position:sticky;top:0;z-index:1030;height:52px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  display:flex;align-items:center;transition:box-shadow var(--ease);
}
.sticky-bar.is-stuck{box-shadow:0 6px 18px rgba(18,22,28,.06);}
.sticky-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#C6CCD6;}
.crumb .cur{color:var(--ink);font-weight:600;}
.anchor-nav{display:flex;gap:6px;}
.anchor-nav a{
  font-size:13px;color:var(--muted);padding:5px 12px;border-radius:999px;
  transition:background var(--ease),color var(--ease);
}
.anchor-nav a:hover{background:var(--brand-tint);color:var(--brand-dark);}

section{padding:0;}
.blk{padding:64px 0;}
.blk-lg{padding:80px 0;}
.blk-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.blk-head h2{font-size:clamp(24px,2.8vw,32px);line-height:1.25;letter-spacing:-.4px;}
.blk-head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-tint);color:var(--brand-dark);
  font-size:12px;font-weight:700;letter-spacing:.4px;margin-bottom:14px;
}
.eyebrow i{font-size:11px;}

/* ============ Hero：左右分栏 ============ */
.hero{padding:32px 0 8px;}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-2xl);
  box-shadow:var(--sh-1);padding:48px;display:grid;
  grid-template-columns:1.06fr .94fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.12),transparent 70%);
}
.hero h1{
  font-size:clamp(30px,4vw,48px);line-height:1.15;letter-spacing:-.6px;font-weight:800;
  margin-bottom:16px;
}
.hero h1 em{font-style:normal;color:var(--brand-dark);}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text);max-width:560px;margin-bottom:26px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 24px;
  border-radius:var(--r-md);background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  border:none;box-shadow:0 8px 20px rgba(255,90,31,.28);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 12px 26px rgba(255,90,31,.34);}
.btn-main:active{transform:translateY(1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  border-radius:var(--r-md);background:#fff;color:var(--ink);
  border:1px solid var(--line);font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand-dark);border-bottom:1px solid rgba(255,90,31,.35);padding-bottom:2px;
}
.btn-text:hover{color:var(--brand);border-bottom-color:var(--brand);}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badge{
  background:#F7F8FA;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;display:flex;align-items:baseline;gap:8px;
}
.hero-badge b{font-size:20px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;letter-spacing:-.4px;}
.hero-badge span{font-size:12px;color:var(--muted);}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,90,31,.32),rgba(255,176,32,.16));
}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.92);border-radius:999px;padding:6px 14px;
  font-size:12px;font-weight:700;color:var(--brand-dark);letter-spacing:.3px;
}

/* ============ 数据徽章条 ============ */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:20px 22px;position:relative;overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28);}
.stat-card b{display:block;font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:-.6px;}
.stat-card span{font-size:13px;color:var(--muted);}
.stat-card p{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.6;}
.stat-card.teal::before{background:var(--grad-data);}
.stat-card.teal b{color:var(--teal-dark);}

/* ============ 横向图文卡 2 列 ============ */
.live-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.live-card{
  display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;min-height:148px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.live-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28);}
.live-card .thumb{flex:0 0 190px;position:relative;overflow:hidden;}
.live-card .thumb img{width:100%;height:100%;object-fit:cover;min-height:148px;}
.live-card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,90,31,.22),rgba(255,176,32,.10));
}
.live-card .body{padding:20px 22px;display:flex;flex-direction:column;justify-content:center;gap:8px;}
.live-card h3{font-size:19px;line-height:1.4;}
.live-card p{font-size:14px;color:var(--muted);line-height:1.7;}
.live-card .meta{font-size:12px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;letter-spacing:.2px;}
.live-card .meta i{color:var(--brand);margin-right:5px;}

/* ============ 观看流程 ============ */
.flow{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:44px;box-shadow:var(--sh-1);}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.flow-item{padding:22px;border-radius:var(--r-lg);background:var(--page);position:relative;}
.flow-item .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:13px;color:var(--muted);line-height:1.75;}

/* ============ 场景 / 特色不对称卡 ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:22px;}
.feature-main{
  grid-row:span 2;border-radius:var(--r-xl);overflow:hidden;position:relative;
  min-height:420px;display:flex;align-items:flex-end;
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.feature-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.feature-main .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,31,.10) 30%,rgba(20,24,31,.86) 100%);
}
.feature-main .txt{position:relative;z-index:2;padding:32px;color:#fff;}
.feature-main h3{color:#fff;font-size:24px;margin-bottom:10px;}
.feature-main p{color:rgba(255,255,255,.86);font-size:14px;line-height:1.8;max-width:520px;}
.feature-main .tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.feature-main .tags span{
  font-size:12px;padding:4px 12px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff;
}
.feature-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.feature-side:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.feature-side.tint{background:var(--brand-tint);border-color:#FBE0D2;}
.feature-side.green{background:var(--teal-tint);border-color:#CBEBDD;}
.feature-side h3{font-size:18px;margin:12px 0 10px;}
.feature-side ul{display:flex;flex-direction:column;gap:8px;}
.feature-side li{font-size:13px;color:var(--text);display:flex;gap:8px;align-items:flex-start;line-height:1.7;}
.feature-side li i{color:var(--teal);margin-top:6px;font-size:11px;}
.icon-pill{
  width:40px;height:40px;border-radius:13px;background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-dark);font-size:17px;border:1px solid var(--line);
}

/* ============ 会员等级亮点（3 列） ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px;box-shadow:var(--sh-1);position:relative;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.plan.hot{border:2px solid var(--brand);background:var(--brand-tint);}
.plan .tag-hot{
  position:absolute;top:-12px;left:28px;height:22px;padding:0 12px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:700;letter-spacing:.4px;
  display:inline-flex;align-items:center;
}
.plan h3{font-size:20px;margin-bottom:6px;}
.plan .price{font-size:28px;font-weight:800;color:var(--brand-dark);font-variant-numeric:tabular-nums;letter-spacing:-.6px;}
.plan .price small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px;}
.plan p.desc{font-size:13px;color:var(--muted);margin:8px 0 18px;}
.plan ul{display:flex;flex-direction:column;gap:10px;margin-bottom:22px;}
.plan li{font-size:14px;display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.plan li i{color:var(--teal);font-size:12px;margin-top:7px;}
.plan li.off{color:#9AA3B0;}
.plan li.off i{color:#C6CCD6;}

/* ============ FAQ ============ */
.acc-wrap{max-width:900px;}
.acc .accordion-item{
  border:1px solid var(--line);border-radius:16px !important;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:0 1px 2px rgba(18,22,28,.03);
}
.acc .accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 22px;border:none;box-shadow:none;gap:14px;
}
.acc .accordion-button:focus{box-shadow:none;border-color:var(--line);}
.acc .accordion-button:not(.collapsed){
  background:var(--brand-tint);color:var(--brand-dark);
  box-shadow:inset 3px 0 0 var(--brand);
}
.acc .accordion-button::after{
  content:"+";background-image:none;width:30px;height:30px;flex:0 0 30px;
  border-radius:50%;background-color:var(--brand-tint);color:var(--brand-dark);
  font-size:20px;font-weight:600;line-height:1;
  display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform var(--ease),background-color var(--ease),color var(--ease);
}
.acc .accordion-button:not(.collapsed)::after{
  content:"+";transform:rotate(45deg);background-color:var(--brand);color:#fff;
}
.acc .accordion-body{font-size:15px;color:var(--text);line-height:1.85;padding:4px 22px 22px;}

/* ============ CTA ============ */
.cta-card{
  border-radius:var(--r-2xl);padding:56px;position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(135deg,rgba(255,90,31,.92),rgba(255,138,61,.86) 42%,rgba(255,176,32,.84)),
                   url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  box-shadow:0 20px 46px rgba(255,90,31,.22);
}
.cta-card h2{color:#fff;font-size:clamp(24px,2.9vw,32px);line-height:1.3;margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,.92);font-size:15px;line-height:1.85;max-width:520px;}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-list span{
  font-size:12px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);
}
.cta-form{
  background:rgba(255,255,255,.96);border-radius:var(--r-lg);padding:26px;
  box-shadow:0 14px 34px rgba(18,22,28,.16);
}
.cta-form h3{font-size:17px;margin-bottom:6px;}
.cta-form p{font-size:13px;color:var(--muted);margin-bottom:16px;}
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-field input{
  width:100%;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 14px;font-size:14px;color:var(--ink);background:#fff;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-field input::placeholder{color:#A6AEBA;}
.form-field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.28);}
.agree{display:flex;gap:9px;align-items:flex-start;font-size:12px;color:var(--muted);line-height:1.6;margin-bottom:16px;}
.agree input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);}
.btn-wide{width:100%;justify-content:center;}

/* ============ 页脚 ============ */
.site-foot{
  background:var(--deep);color:rgba(255,255,255,.72);margin-top:80px;
  border-top:1px solid transparent;
  background-image:linear-gradient(180deg,rgba(255,90,31,.9),rgba(255,176,32,.6) 0 1px,transparent 1px),none;
  padding:60px 0 26px;position:relative;
}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand b{color:#fff;font-size:17px;font-weight:700;}
.site-foot p{font-size:13px;line-height:1.85;color:rgba(255,255,255,.66);max-width:380px;}
.site-foot h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.3px;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a,.foot-links span{font-size:13px;color:rgba(255,255,255,.68);}
.foot-links a:hover{color:var(--brand-light);}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.52);
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .wrap{max-width:1140px;}
}
@media (max-width:991.98px){
  .side-shell{display:none;}
  .top-bar{display:flex;}
  .main{margin-left:0;padding-top:60px;}
  .sticky-bar{top:60px;}
  .wrap{padding:0 22px;}
  .hero-card{grid-template-columns:1fr;padding:32px;gap:28px;}
  .hero-media{order:-1;}
  .blk,.blk-lg{padding:48px 0;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{min-height:320px;grid-row:auto;}
  .plan-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .anchor-nav{display:none;}
}
@media (max-width:767.98px){
  .live-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .flow{padding:26px;}
  .blk-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero-card{padding:24px;}
  .feature-main .txt{padding:24px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15px;}
  .hero-btns{flex-direction:column;}
  .btn-main,.btn-ghost{width:100%;justify-content:center;}
  .live-card{flex-direction:column;}
  .live-card .thumb{flex:0 0 180px;height:180px;}
  .stat-row{grid-template-columns:1fr;}
  .cta-card{padding:26px;}
  .cta-form{padding:20px;}
  .foot-grid{grid-template-columns:1fr;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E14A12;
  --brand-light:#FF7A45;
  --brand-tint:#FFF2EB;
  --gold:#FFB020;
  --mint:#12B886;
  --mint-deep:#0B8F6A;
  --mint-tint:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --text:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --dark:#14181F;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-deep:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-data:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --sh-1:0 1px 2px rgba(18,22,28,.04),0 8px 24px rgba(18,22,28,.06);
  --sh-2:0 12px 32px rgba(18,22,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --sidebar:248px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-deep)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
::selection{background:rgba(255,90,31,.18)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:99px}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:3px solid rgba(255,90,31,.28);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-weight:700}

/* ---------- 侧栏 App Shell ---------- */
.app-shell{
  position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:1040;
}
.shell-scroll{flex:1;overflow-y:auto;padding:0 16px 20px}
.brand-bar{
  height:72px;display:flex;align-items:center;gap:10px;
  padding:0 16px;border-bottom:1px solid var(--line);flex:0 0 auto;
}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;box-shadow:0 6px 16px rgba(255,90,31,.32);flex:0 0 auto;
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;line-height:1.2}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.6px}
.side-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:12px;font-size:15px;color:var(--text);position:relative;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.side-link i{width:20px;font-size:15px;color:var(--muted);text-align:center;transition:color var(--ease)}
.side-link:hover{background:#F7F8FA;color:var(--ink);transform:translateX(2px)}
.side-link:hover i{color:var(--brand)}
.side-link.active{background:var(--brand-tint);color:var(--brand-deep);font-weight:700}
.side-link.active i{color:var(--brand-deep)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--grad);
}
.side-cta{
  margin:22px 0 14px;padding:18px;border-radius:16px;background:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(255,90,31,.28);
}
.side-cta b{display:block;font-size:15px;margin-bottom:4px}
.side-cta p{font-size:12px;line-height:1.6;color:rgba(255,255,255,.9);margin-bottom:12px}
.side-cta .pill-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:34px;padding:0 16px;border-radius:999px;background:#fff;color:var(--brand-deep);
  font-size:13px;font-weight:700;border:0;width:100%;
}
.side-cta .pill-btn:hover{background:#FFF6F1;color:var(--brand-deep)}
.side-foot{font-size:12px;color:var(--muted);line-height:1.6;padding:6px 4px 0;border-top:1px solid var(--line);margin-top:8px}

/* ---------- 移动顶部栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;background:#fff;
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1050;
}
.mobile-bar .logo-mark{width:32px;height:32px;border-radius:10px;font-size:14px}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);font-size:16px;
}
.burger:hover{border-color:rgba(255,90,31,.4);color:var(--brand-deep)}
.offcanvas{border-right:1px solid var(--line);width:82vw;max-width:320px;border-radius:0 24px 24px 0}
.offcanvas-header{border-bottom:1px solid var(--line);padding:14px 16px}
.offcanvas-body{padding:16px}

/* ---------- 主内容 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px}
.main{margin-left:var(--sidebar)}
.page-top{padding:36px 0 0}

/* 面包屑粘性条 */
.crumb-bar{
  position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);transition:box-shadow var(--ease);
}
.crumb-bar.stuck{box-shadow:0 6px 18px rgba(18,22,28,.07)}
.crumb-inner{height:52px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.crumb{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#C6CDD8}
.crumb .now{color:var(--ink);font-weight:600}
.anchor-set{display:flex;gap:6px}
.anchor-set a{
  font-size:13px;color:var(--muted);padding:5px 12px;border-radius:999px;border:1px solid transparent;
}
.anchor-set a:hover{background:var(--brand-tint);color:var(--brand-deep)}

/* ---------- Hero B 版 ---------- */
.hero-b{
  margin-top:22px;border-radius:var(--r-xl);background:var(--grad);color:#fff;
  padding:52px 48px;position:relative;overflow:hidden;
}
.hero-b::after{
  content:"";position:absolute;right:-60px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.28),rgba(255,255,255,0) 70%);
}
.hero-b::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;
}
.hero-b-inner{position:relative;z-index:2;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.2);font-size:12px;letter-spacing:.4px;margin-bottom:18px;color:#fff;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:#fff;animation:blink 1.6s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.hero-b h1{
  color:#fff;font-size:clamp(32px,4.2vw,50px);line-height:1.15;letter-spacing:-.5px;font-weight:800;
}
.hero-b .lede{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.94);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:14px;
  background:#fff;color:var(--brand-deep);font-weight:700;font-size:15px;border:0;
  box-shadow:0 10px 24px rgba(0,0,0,.14);transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.btn-main:hover{background:#FFF7F2;color:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(0,0,0,.18)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.62);color:#fff;font-weight:600;font-size:15px;
  transition:background var(--ease),transform var(--ease),border-color var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff;transform:translateY(-1px)}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;position:relative;z-index:2}
.hs{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);border-radius:999px;
  padding:10px 20px;display:flex;align-items:baseline;gap:8px;color:#fff;
}
.hs .num{font-size:24px;letter-spacing:-.5px}
.hs span{font-size:12px;color:rgba(255,255,255,.9)}

/* ---------- 胶囊筛选 ---------- */
.filter-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:40px 0 24px;
}
.filter-row .label{font-size:13px;color:var(--muted);margin-right:2px}
.chip{
  height:36px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text);font-size:14px;display:inline-flex;align-items:center;gap:6px;cursor:pointer;
  transition:all var(--ease);
}
.chip:hover{border-color:rgba(255,90,31,.4);color:var(--brand-deep);background:var(--brand-tint)}
.chip.on{background:var(--grad);border-color:transparent;color:#fff;font-weight:700;box-shadow:0 8px 18px rgba(255,90,31,.26)}

/* ---------- 主区：4 列紧凑卡 + 右栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.sec-head h2{font-size:30px;line-height:1.25;letter-spacing:-.4px}
.sec-head p{font-size:14px;color:var(--muted);margin-top:6px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);border-bottom:1px solid rgba(255,90,31,.35);padding-bottom:2px}
.link-more:hover{color:var(--brand);border-color:var(--brand)}

.card-grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.mini-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-tint)}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1)}
.mini-card:hover .thumb img{transform:scale(1.05)}
.mini-card .thumb::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,22,28,0) 55%,rgba(18,22,28,.42) 100%);
}
.tag-pill{
  position:absolute;left:10px;top:10px;height:22px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand-deep);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;gap:4px;letter-spacing:.4px;
}
.tag-pill.violet{background:rgba(110,91,255,.92);color:#fff}
.tag-pill.mint{background:rgba(18,184,134,.92);color:#fff}
.mini-body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px;flex:1}
.mini-body h3{font-size:15px;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mini-body .sub{font-size:12px;color:var(--muted);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;border-top:1px dashed var(--line)}
.mini-meta .val{font-size:15px;color:var(--brand-deep)}
.mini-meta .unit{font-size:12px;color:var(--muted);font-weight:500}

/* 右栏粘性面板 */
.sticky-panel{position:sticky;top:74px;display:flex;flex-direction:column;gap:18px}
.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:20px;
}
.panel h3{font-size:16px;margin-bottom:6px}
.panel .panel-note{font-size:13px;color:var(--muted);line-height:1.7;margin-bottom:16px}
.data-badges{display:flex;flex-direction:column;gap:12px}
.dbadge{
  border-radius:16px;padding:14px 16px;background:var(--brand-tint);position:relative;overflow:hidden;
  border-left:3px solid transparent;border-image:var(--grad) 1;
}
.dbadge.mint{background:var(--mint-tint)}
.dbadge.violet{background:#F1EFFF}
.dbadge .num{font-size:24px;color:var(--brand-deep);letter-spacing:-.5px;display:block;line-height:1.2}
.dbadge.mint .num{color:var(--mint-deep)}
.dbadge.violet .num{color:var(--violet)}
.dbadge span.lb{font-size:12px;color:var(--muted)}
.live-list{display:flex;flex-direction:column;gap:10px}
.live-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:12px;background:#FAFBFC;border:1px solid var(--line);
}
.live-item .t{font-size:14px;color:var(--ink);font-weight:600}
.live-item .s{font-size:12px;color:var(--muted)}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);display:inline-block;margin-right:6px;box-shadow:0 0 0 4px rgba(18,184,134,.14)}

/* ---------- 指标说明 ---------- */
.section{padding:76px 0 0}
.section-head{max-width:720px}
.section-head h2{font-size:32px;line-height:1.25;letter-spacing:-.4px}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px}
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}
.metric-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.metric-card .ico{
  width:44px;height:44px;border-radius:14px;background:var(--brand-tint);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;
}
.metric-card:nth-child(2) .ico{background:var(--mint-tint);color:var(--mint-deep)}
.metric-card:nth-child(3) .ico{background:#F1EFFF;color:var(--violet)}
.metric-card h3{font-size:19px;margin-bottom:8px}
.metric-card p{font-size:14px;color:var(--muted);line-height:1.8}
.metric-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.metric-card li{font-size:14px;color:var(--text);display:flex;gap:8px;align-items:flex-start}
.metric-card li i{color:var(--brand);font-size:13px;margin-top:7px}

/* ---------- 流程时间线 ---------- */
.flow{margin-top:30px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.flow-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  position:relative;box-shadow:var(--sh-1);
}
.flow-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:13px;font-weight:700;color:#fff;background:var(--grad);
  width:34px;height:34px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 深色对比区 ---------- */
.dark-band{
  margin-top:76px;background:var(--dark);border-radius:var(--r-xl);padding:52px 48px;color:#fff;
  position:relative;overflow:hidden;
}
.dark-band::after{
  content:"";position:absolute;right:-80px;bottom:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.28),rgba(255,90,31,0) 68%);
}
.dark-band h2{color:#fff;font-size:30px;position:relative;z-index:2}
.dark-band .band-lede{color:rgba(255,255,255,.72);margin-top:12px;max-width:680px;font-size:15px;position:relative;z-index:2}
.compare{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:30px;position:relative;z-index:2}
.cmp-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:20px;padding:24px;transition:background var(--ease),transform var(--ease)}
.cmp-card:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.cmp-card.hot{border-color:rgba(255,90,31,.6);background:rgba(255,90,31,.14)}
.cmp-card .lv{font-size:13px;letter-spacing:.4px;color:var(--gold);font-weight:700}
.cmp-card h3{color:#fff;font-size:19px;margin:8px 0 4px}
.cmp-card .price{font-size:15px;color:rgba(255,255,255,.72);margin-bottom:16px}
.cmp-card ul{display:flex;flex-direction:column;gap:10px}
.cmp-card li{font-size:14px;color:rgba(255,255,255,.86);display:flex;gap:9px;align-items:flex-start}
.cmp-card li i{color:var(--mint);font-size:12px;margin-top:8px}
.cmp-card li.no{color:rgba(255,255,255,.42)}
.cmp-card li.no i{color:rgba(255,255,255,.34)}

/* ---------- FAQ ---------- */
.faq-wrap{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:16px!important;overflow:hidden;background:#fff;
  box-shadow:var(--sh-1);transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(255,90,31,.34)!important}
.accordion-button{
  background:#fff!important;color:var(--ink)!important;font-weight:700;font-size:16px;
  padding:20px 22px;box-shadow:none!important;border-radius:16px!important;
}
.accordion-button::after{display:none}
.accordion-button .plus{
  margin-left:auto;width:28px;height:28px;border-radius:50%;background:var(--brand-tint);color:var(--brand-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;flex:0 0 auto;
  transition:transform var(--ease),background var(--ease);
}
.accordion-button:not(.collapsed) .plus{transform:rotate(45deg);background:var(--brand);color:#fff}
.accordion-button:not(.collapsed){color:var(--brand-deep)!important}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text);line-height:1.85;border-left:3px solid var(--brand);margin-left:0}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:76px;border-radius:32px;background:var(--grad);color:#fff;padding:56px 48px;
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band h2{color:#fff;font-size:32px;letter-spacing:-.4px;position:relative;z-index:2}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.94);font-size:15px;position:relative;z-index:2;max-width:520px}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:20px;padding:22px}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.92);margin-bottom:8px}
.cta-form input{
  width:100%;height:46px;border-radius:12px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.95);
  padding:0 14px;font-size:15px;color:var(--ink);margin-bottom:12px;
}
.cta-form input::placeholder{color:#9AA4B2}
.cta-form input:focus{outline:3px solid rgba(255,255,255,.45);border-color:#fff}
.cta-form .btn-solid{
  width:100%;height:48px;border-radius:14px;border:0;background:#14181F;color:#fff;font-weight:700;font-size:15px;
  transition:transform var(--ease),background var(--ease);
}
.cta-form .btn-solid:hover{background:#0C1015;transform:translateY(-1px)}
.cta-form .btn-solid:active{transform:translateY(1px)}
.cta-form .tip{font-size:12px;color:rgba(255,255,255,.82);margin-top:12px;line-height:1.7}
.agree{display:flex;gap:8px;align-items:flex-start;margin-top:12px;font-size:12px;color:rgba(255,255,255,.88)}
.agree input{width:16px;height:16px;margin-top:3px;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-foot{margin-top:80px;background:var(--dark);color:rgba(255,255,255,.72);position:relative}
.site-foot::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:56px 0 36px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand b{color:#fff;font-size:17px}
.foot-grid p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.site-foot h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.2px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a,.foot-links span{font-size:14px;color:rgba(255,255,255,.66)}
.foot-links a:hover{color:var(--brand-light)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .wrap{max-width:1140px}
}
@media (max-width:1199px){
  .split{grid-template-columns:minmax(0,1fr) 270px;gap:22px}
  .card-grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .app-shell{display:none}
  .mobile-bar{display:flex}
  .main{margin-left:0}
  .wrap{padding:0 24px}
  .page-top{padding-top:76px}
  .crumb-bar{top:60px}
  .split{grid-template-columns:minmax(0,1fr);gap:28px}
  .sticky-panel{position:static}
  .card-grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-b{padding:40px 28px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px 28px;gap:28px}
  .dark-band{padding:40px 28px}
  .compare{grid-template-columns:minmax(0,1fr)}
  .section{padding-top:56px}
  .section-head h2{font-size:26px}
  .sec-head h2{font-size:24px}
}
@media (max-width:767px){
  .metric-grid{grid-template-columns:minmax(0,1fr)}
  .flow{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:26px;padding:40px 0 28px}
  .hero-stats{gap:10px}
  .hs{padding:8px 16px}
  .hs .num{font-size:20px}
  .anchor-set{display:none}
  .section-head h2{font-size:23px}
  .cta-band h2{font-size:26px}
  .dark-band h2{font-size:24px}
}
@media (max-width:575px){
  .wrap{padding:0 16px}
  .hero-b{padding:32px 20px;border-radius:24px}
  .hero-b h1{font-size:30px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
  .card-grid-4{grid-template-columns:minmax(0,1fr)}
  .hs{width:calc(50% - 5px);justify-content:center}
  .hero-stats{gap:10px}
  .cta-band{border-radius:24px;padding:32px 20px}
  .dark-band{border-radius:24px;padding:32px 20px}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A1F;
  --brand-d:#E14A12;
  --brand-l:#FF7A45;
  --brand-bg:#FFF2EB;
  --gold:#FFB020;
  --teal:#12B886;
  --teal-d:#0B8F6A;
  --teal-bg:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --text:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --dark:#14181F;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-d:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-teal:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --r-s:10px;
  --r-m:14px;
  --r-c:22px;
  --r-xl:30px;
  --sh-1:0 1px 2px rgba(18,22,28,.04),0 8px 24px rgba(18,22,28,.06);
  --sh-2:0 12px 32px rgba(18,22,28,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0 0 14px}
a{color:var(--brand-d);text-decoration:none;transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease)}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
::selection{background:rgba(255,90,31,.18)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:999px}
::-webkit-scrollbar-track{background:transparent}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,90,31,.28);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 左侧 App Shell ============ */
.app-side{
  position:fixed;
  left:0;top:0;
  width:248px;height:100vh;
  background:#fff;
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  z-index:1045;
  overflow-y:auto;
  transition:transform .24s var(--ease);
}
.side-top{
  height:72px;
  flex:0 0 72px;
  display:flex;align-items:center;
  padding:0 20px;
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:18px;letter-spacing:-.2px}
.brand:hover{color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(255,90,31,.30);
  flex:0 0 34px;
}
.side-nav{padding:14px 12px 6px;display:flex;flex-direction:column;gap:6px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;
  border-radius:12px;
  font-size:15px;color:var(--text);
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.side-link i{width:20px;font-size:15px;color:var(--muted);text-align:center;transition:color .18s var(--ease)}
.side-link:hover{background:#F5F6F8;transform:translateX(2px);color:var(--ink)}
.side-link:hover i{color:var(--brand-d)}
.side-link.active{background:var(--brand-bg);color:var(--brand-d);font-weight:700}
.side-link.active i{color:var(--brand-d)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:999px;background:var(--brand);
}
.side-cta{
  margin:16px;
  padding:16px;
  border-radius:16px;
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 26px rgba(255,90,31,.26);
}
.side-cta b{display:block;font-size:15px;margin-bottom:4px}
.side-cta span{display:block;font-size:12px;line-height:1.7;color:rgba(255,255,255,.88);margin-bottom:12px}
.side-cta .pill-btn{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 14px;border-radius:999px;
  background:#fff;color:var(--brand-d);font-size:13px;font-weight:700;
}
.side-cta .pill-btn:hover{color:var(--brand-d);transform:translateY(-1px)}
.side-foot{padding:14px 16px 20px;font-size:12px;color:var(--muted);margin-top:auto;line-height:1.7}

.app-main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column}

.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:60px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 18px;z-index:1040;
}
.burger{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;
  display:inline-flex;align-items:center;justify-content:center;
}
.burger:hover{border-color:var(--brand);color:var(--brand-d)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,22,28,.5);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease);z-index:1044;
}
.drawer-mask.on{opacity:1;visibility:visible}

/* ============ Hero ============ */
.hero-c{position:relative;overflow:hidden;color:#fff;background:var(--dark)}
.hero-c-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02)}
.hero-c-mask{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,24,31,.94) 0%,rgba(20,24,31,.80) 42%,rgba(225,74,18,.72) 100%);
}
.hero-c-in{position:relative;z-index:2;padding:88px 0 96px;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.2px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .cur{color:rgba(255,255,255,.62)}
.hero-c h1{
  color:#fff;
  font-size:clamp(32px,4.2vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-c p.lead{
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.88);
  max-width:640px;margin-bottom:26px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.20);
  font-size:12.5px;color:#fff;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px}

.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:14px;
  background:var(--grad);color:#fff;
  font-size:15px;font-weight:700;
  box-shadow:0 10px 22px rgba(255,90,31,.30);
  transition:transform .18s var(--ease),filter .18s var(--ease);
}
.btn-brand:hover{color:#fff;filter:brightness(1.04);transform:translateY(-1px)}
.btn-brand:active{transform:translateY(1px)}

.btn-light-hero{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 26px;border-radius:14px;border:0;
  background:#fff;color:var(--brand-d);
  font-size:15px;font-weight:700;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-light-hero:hover{color:var(--brand-d);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.22)}

.btn-ghost-hero{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.45);
  color:#fff;font-size:15px;font-weight:600;
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost-hero:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-1px)}

.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  background:#fff;border:1px solid var(--line);
  color:var(--ink);font-size:15px;font-weight:600;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-1px)}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:-52px;position:relative;z-index:6;
}
.stat-card{
  position:relative;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:18px 20px 16px 22px;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.stat-num{font-size:24px;font-weight:700;color:var(--brand-d);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:12.5px;color:var(--muted);letter-spacing:.2px}

/* ============ 区块 ============ */
.sec{padding:72px 0}
.sec.tight{padding:48px 0 72px}
.sec.white{background:#fff}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);letter-spacing:-.4px;margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-bg);color:var(--brand-d);
  font-size:12.5px;font-weight:700;letter-spacing:.4px;
  margin-bottom:14px;
}
.eyebrow.teal{background:var(--teal-bg);color:var(--teal-d)}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:8px}
.flow-item{position:relative;padding-left:58px;padding-bottom:26px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:15px;top:38px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(255,90,31,.55),rgba(255,90,31,.06));
}
.flow-item:last-child::before{display:none}
.flow-dot{
  position:absolute;left:0;top:6px;
  width:32px;height:32px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(255,90,31,.10);
}
.flow-dot.teal{background:var(--grad-teal);box-shadow:0 0 0 6px rgba(18,184,134,.12)}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.flow-card h3{font-size:19px;margin-bottom:8px}
.flow-card p{margin:0;color:var(--text);font-size:15px}
.flow-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 11px;border-radius:999px;
  background:var(--page);border:1px solid var(--line);
  font-size:12px;color:var(--muted);letter-spacing:.2px;
}
.chip i{color:var(--teal-d)}

/* ============ 等级卡 ============ */
.rank-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:24px;align-items:stretch}
.rank-stack{display:grid;gap:24px}
.rank-card{
  position:relative;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:26px 26px 24px;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.rank-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.rank-card.feature{background:linear-gradient(180deg,#FFF7F2 0%,#FFFFFF 62%);border-color:rgba(255,90,31,.28);box-shadow:0 2px 4px rgba(18,22,28,.04),0 18px 40px rgba(255,90,31,.14)}
.rank-card.tealish{background:linear-gradient(180deg,#F1FCF7 0%,#FFFFFF 60%)}
.rank-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.rank-name{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--ink)}
.rank-badge{
  width:30px;height:30px;border-radius:10px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 14px rgba(255,90,31,.26);
}
.rank-badge.teal{background:var(--grad-teal);box-shadow:0 6px 14px rgba(18,184,134,.24)}
.rank-badge.plain{background:#EDF0F5;color:var(--muted);box-shadow:none}
.tag-flag{
  height:22px;padding:0 10px;border-radius:999px;
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.tag-flag.hot{background:var(--grad);color:#fff}
.tag-flag.rec{background:var(--violet);color:#fff}
.rank-price{font-size:26px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;margin-bottom:6px}
.rank-price small{font-size:13px;font-weight:500;color:var(--muted);margin-left:4px}
.rank-desc{font-size:14px;color:var(--muted);margin-bottom:16px}
.tick-list{display:grid;gap:10px;margin-bottom:20px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text)}
.tick-list li i{color:var(--teal-d);font-size:14px;margin-top:5px;flex:0 0 16px}
.rank-card .btn-brand,.rank-card .btn-ghost{width:100%;justify-content:center}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.scene-card{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.scene-ico{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  background:var(--brand-bg);color:var(--brand-d);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.scene-ico.teal{background:var(--teal-bg);color:var(--teal-d)}
.scene-card h3{font-size:18px;margin-bottom:6px}
.scene-card p{margin:0;font-size:14.5px;color:var(--text)}

/* ============ FAQ ============ */
.acc .accordion-item{border:0;background:transparent;margin-bottom:12px}
.acc .accordion-button{
  display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--line);
  border-radius:16px !important;
  padding:18px 22px;
  font-size:16px;font-weight:700;color:var(--ink);
  box-shadow:var(--sh-1);
  transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.acc .accordion-button:not(.collapsed){
  background:var(--brand-bg);color:var(--brand-d);
  border-color:rgba(255,90,31,.28);
  box-shadow:inset 3px 0 0 var(--brand);
}
.acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(255,90,31,.22);border-color:rgba(255,90,31,.4)}
.acc .accordion-button::after{display:none}
.acc .accordion-button::before{
  content:"+";
  order:2;margin-left:auto;
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;
  background:var(--brand-bg);color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;line-height:1;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.acc .accordion-button:not(.collapsed)::before{transform:rotate(45deg);background:var(--brand);color:#fff}
.acc .accordion-body{
  background:#fff;border:1px solid var(--line);border-top:0;
  border-radius:0 0 16px 16px;
  margin-top:-14px;padding:26px 24px 20px;
  font-size:15px;color:var(--text);
}
.acc .accordion-collapse.show .accordion-body{box-shadow:var(--sh-1)}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);
  border-radius:30px;
  padding:56px;
  color:#fff;
  display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:center;
  box-shadow:0 24px 56px rgba(255,90,31,.28);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;bottom:-80px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-card h2{color:#fff;font-size:clamp(24px,2.6vw,32px);letter-spacing:-.4px;margin-bottom:12px}
.cta-card p{color:rgba(255,255,255,.92);font-size:15.5px;margin:0 0 8px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.cta-points span{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:#fff;
}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);border-radius:22px;padding:24px}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.92);margin-bottom:8px;font-weight:600}
.cta-form input{
  width:100%;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.94);color:var(--ink);
  padding:0 14px;font-size:14.5px;
  transition:box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.cta-form input::placeholder{color:#98A1AE}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.28)}
.cta-form .btn-brand{width:100%;justify-content:center;margin-top:16px;background:#fff;color:var(--brand-d);box-shadow:0 10px 22px rgba(0,0,0,.16)}
.cta-form .btn-brand:hover{color:var(--brand-d)}
.cta-agree{display:flex;align-items:flex-start;gap:8px;margin-top:14px;font-size:12.5px;color:rgba(255,255,255,.88);line-height:1.7}
.cta-agree input{width:16px;height:16px;flex:0 0 16px;margin-top:4px;accent-color:#fff}

/* ============ 页脚 ============ */
.site-foot{
  position:relative;
  background:var(--dark);
  color:#9AA4B2;
  padding:64px 0 28px;
  margin-top:auto;
}
.site-foot::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;letter-spacing:-.2px}
.foot-brand .logo-mark{width:30px;height:30px;flex:0 0 30px;border-radius:10px;font-size:13px}
.site-foot p{font-size:14px;line-height:1.85;color:#9AA4B2;margin:0;max-width:340px}
.site-foot h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.foot-links li{margin-bottom:11px;font-size:14px}
.foot-links a{color:#9AA4B2}
.foot-links a:hover{color:#fff}
.foot-links span{color:#9AA4B2}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.10);
  margin-top:42px;padding-top:20px;
  font-size:13px;color:#7C8798;
}

/* ============ 响应式 ============ */
@media (max-width:1399.98px){
  .cta-card{padding:48px}
}
@media (max-width:1199.98px){
  .wrap{padding:0 28px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:16px}
  .rank-grid{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1.5fr 1fr 1fr;gap:26px}
  .foot-grid > div:last-child{grid-column:span 3}
}
@media (max-width:991.98px){
  .app-side{
    transform:translateX(-100%);
    width:82vw;max-width:320px;
    height:100vh;
    border-radius:0 24px 24px 0;
    box-shadow:0 24px 60px rgba(18,22,28,.28);
    border-right:0;
  }
  .app-side.open{transform:translateX(0)}
  .app-main{margin-left:0;padding-top:60px}
  .topbar{display:flex}
  .hero-c-in{padding:56px 0 84px}
  .cta-card{grid-template-columns:1fr;padding:36px;gap:24px}
  .scene-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-grid > div:last-child{grid-column:span 2}
  .sec{padding:56px 0}
  .sec.tight{padding:36px 0 56px}
}
@media (max-width:767.98px){
  .wrap{padding:0 20px}
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:-40px}
  .rank-grid{grid-template-columns:1fr}
  .flow-item{padding-left:50px}
  .hero-c h1{font-size:30px}
  .hero-c p.lead{font-size:15.5px}
  .hero-btns .btn-light-hero,.hero-btns .btn-ghost-hero{flex:1 1 auto;justify-content:center}
  .cta-card{padding:28px 22px;border-radius:24px}
  .site-foot{padding:48px 0 24px}
}
@media (max-width:575.98px){
  .hero-c-in{padding:44px 0 76px}
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns a{width:100%;justify-content:center}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px}
  .stat-num{font-size:20px}
  .foot-grid{grid-template-columns:1fr}
  .foot-grid > div:last-child{grid-column:span 1}
  .foot-bottom{flex-direction:column}
  .flow-card{padding:18px}
  .acc .accordion-button{padding:16px 16px;font-size:15px;gap:10px}
  .acc .accordion-body{padding:24px 16px 18px}
}

/* roulang page: category4 */
:root{
  --brand:#FF5A1F;
  --brand-d:#E14A12;
  --brand-l:#FF7A45;
  --brand-tint:#FFF2EB;
  --gold:#FFB020;
  --teal:#12B886;
  --teal-d:#0B8F6A;
  --teal-tint:#E7F9F2;
  --violet:#6E5BFF;
  --ink:#12161C;
  --text:#39414E;
  --muted:#6C7787;
  --line:#E7EAF0;
  --page:#F5F6F8;
  --card:#FFFFFF;
  --dark:#14181F;
  --grad:linear-gradient(135deg,#FF5A1F 0%,#FF8A3D 40%,#FFB020 100%);
  --grad-d:linear-gradient(135deg,#E14A12 0%,#FF7A45 100%);
  --grad-t:linear-gradient(135deg,#12B886 0%,#4FD1A5 100%);
  --r-s:10px;
  --r-m:14px;
  --r-c:22px;
  --r-l:30px;
  --sh-1:0 1px 2px rgba(18,22,28,.04), 0 8px 24px rgba(18,22,28,.06);
  --sh-2:0 12px 32px rgba(18,22,28,.10);
  --ease:180ms cubic-bezier(.2,.7,.3,1);
  --side:248px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#39414E;
  --bs-link-color:#E14A12;
  --bs-link-hover-color:#FF5A1F;
  --bs-border-color:#E7EAF0;
  --bs-primary:#FF5A1F;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-d);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0 0 12px}
ul{list-style:none;margin:0;padding:0}
::selection{background:rgba(255,90,31,.18);color:var(--ink)}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#D8DDE5;border-radius:999px}
::-webkit-scrollbar-thumb:hover{background:#C3CAD5}
::-webkit-scrollbar-track{background:transparent}
:focus-visible{outline:3px solid rgba(255,90,31,.28);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;background:var(--brand-tint);color:var(--brand-d);font-size:12.5px;font-weight:700;letter-spacing:.4px;padding:6px 14px;border-radius:999px}
.eyebrow i{font-size:12px}
/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border:0;border-radius:var(--r-m);
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;letter-spacing:.2px;
  box-shadow:0 8px 20px rgba(255,90,31,.24);
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease);
  cursor:pointer;
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.04);box-shadow:0 12px 26px rgba(255,90,31,.30)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-m);
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:600;
  transition:border-color var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-ghost:hover{border-color:rgba(255,90,31,.45);color:var(--brand-d);transform:translateY(-1px);box-shadow:var(--sh-1)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-d);border-bottom:1px solid rgba(255,90,31,.35);padding-bottom:2px}
.btn-text:hover{border-bottom-color:var(--brand);color:var(--brand)}
/* ---------- 左侧 App Shell ---------- */
.side-shell{
  position:fixed;top:0;left:0;width:var(--side);height:100vh;
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:1040;
}
.side-head{height:72px;flex:0 0 72px;display:flex;align-items:center;gap:10px;padding:0 20px;border-bottom:1px solid var(--line)}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:15px;
  box-shadow:0 6px 16px rgba(255,90,31,.28);
}
.side-head b{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px}
.side-nav{flex:1 1 auto;overflow-y:auto;padding:16px 12px;display:flex;flex-direction:column;gap:4px}
.side-link{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:12px;
  color:var(--text);font-size:15px;font-weight:500;position:relative;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px;color:var(--muted);transition:color var(--ease)}
.side-link:hover{background:#F5F6F8;color:var(--ink);transform:translateX(2px)}
.side-link:hover i{color:var(--brand)}
.side-link.active{background:var(--brand-tint);color:var(--brand-d);font-weight:700}
.side-link.active::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:0 3px 3px 0;background:var(--grad)}
.side-link.active i{color:var(--brand-d)}
.side-foot{flex:0 0 auto;padding:14px 12px 0;border-top:1px solid var(--line)}
.side-cta{background:var(--grad);border-radius:16px;padding:14px;color:#fff}
.side-cta p{font-size:12.5px;line-height:1.65;margin:0 0 10px;color:rgba(255,255,255,.95)}
.side-cta .pill{display:inline-block;background:#fff;color:var(--brand-d);font-size:13px;font-weight:700;padding:7px 16px;border-radius:999px;transition:transform var(--ease)}
.side-cta .pill:hover{transform:translateY(-1px);color:var(--brand-d)}
.copyright{font-size:11.5px;color:var(--muted);padding:12px 14px 18px;letter-spacing:.2px}
/* ---------- 移动端顶栏与抽屉 ---------- */
.mobile-bar{display:none}
.nav-drawer{width:82vw;max-width:320px;border-radius:0 24px 24px 0;border:0;box-shadow:var(--sh-2)}
.nav-drawer .offcanvas-header{height:72px;padding:0 16px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.nav-drawer .offcanvas-body{padding:16px 12px 20px;display:flex;flex-direction:column;gap:14px}
.brand-line{display:flex;align-items:center;gap:10px}
.brand-line b{font-size:16.5px;font-weight:700;color:var(--ink)}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;font-size:15px;transition:border-color var(--ease),color var(--ease)}
.drawer-close:hover{border-color:rgba(255,90,31,.45);color:var(--brand-d)}
.offcanvas-backdrop.show{background:rgba(18,22,28,.5);opacity:1}
/* ---------- 主内容区 ---------- */
.main-area{margin-left:var(--side);background:var(--page)}
.crumb-bar{
  position:sticky;top:0;z-index:30;height:52px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 32px;background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);letter-spacing:.2px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-d)}
.crumbs i{font-size:10px;color:#B9C1CC}
.crumbs span{color:#98A2B3}
.crumb-links{display:flex;align-items:center;gap:18px;font-size:13.5px}
.crumb-links a{color:var(--text);font-weight:600}
.crumb-links a:hover{color:var(--brand-d)}
/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF7F2 0%,#F5F6F8 100%);
  border-bottom:1px solid var(--line);
  padding:54px 0 50px;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.10;filter:blur(10px);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:44px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:clamp(30px,4vw,46px);font-weight:800;letter-spacing:-.5px;line-height:1.16;margin:16px 0 14px}
.hero .lead{font-size:17px;color:var(--text);max-width:34em;margin:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.fact{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 18px;min-width:142px;box-shadow:0 1px 2px rgba(18,22,28,.04)}
.fact b{display:block;font-size:22px;font-weight:800;color:var(--brand-d);line-height:1.2;font-variant-numeric:tabular-nums}
.fact span{font-size:12px;color:var(--muted);letter-spacing:.2px}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:26px;box-shadow:var(--sh-2)}
/* ---------- 分栏主体 ---------- */
.split-wrap{padding:44px 0 8px}
.split{display:grid;grid-template-columns:236px minmax(0,1fr);gap:32px;align-items:start}
.side-toc{position:sticky;top:76px;background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:16px;box-shadow:var(--sh-1)}
.toc-title{font-size:12.5px;font-weight:700;letter-spacing:.8px;color:var(--muted);padding:4px 12px 10px}
.side-toc a{
  display:block;font-size:14.5px;color:var(--text);padding:9px 12px;border-radius:var(--r-s);
  border-left:3px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.side-toc a:hover{background:#FFF7F3;color:var(--brand-d);border-left-color:rgba(255,90,31,.35)}
.side-toc a.current{background:var(--brand-tint);color:var(--brand-d);font-weight:700;border-left-color:var(--brand)}
.toc-note{margin-top:12px;padding:12px;border-radius:14px;background:var(--teal-tint);font-size:12.5px;color:var(--teal-d);line-height:1.65}
/* ---------- 板块与卡片 ---------- */
.sec{margin-bottom:56px;scroll-margin-top:76px}
.sec-head{margin-bottom:22px}
.sec-head h2{font-size:clamp(23px,2.6vw,30px);font-weight:700;color:var(--ink);letter-spacing:-.3px;margin-bottom:8px}
.sec-head p{font-size:15px;color:var(--muted);margin:0;max-width:56em}
.point-card{
  display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:24px;
  box-shadow:var(--sh-1);margin-bottom:20px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.point-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px}
.point-head{display:flex;align-items:center;gap:14px;margin-bottom:10px}
.num-badge{
  width:44px;height:44px;flex:0 0 44px;border-radius:14px;background:var(--brand-tint);
  color:var(--brand-d);font-weight:800;font-size:17px;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;letter-spacing:.4px;
}
.point-card h3{font-size:19px;font-weight:700;color:var(--ink)}
.point-card p{font-size:15px;color:var(--text);margin:8px 0 0}
ul.check{margin:14px 0 0}
ul.check li{position:relative;padding-left:26px;font-size:14.8px;color:var(--text);margin-bottom:8px;line-height:1.7}
ul.check li:last-child{margin-bottom:0}
ul.check li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:10px;
  position:absolute;left:0;top:6px;width:18px;height:18px;border-radius:50%;
  background:var(--teal-tint);color:var(--teal-d);display:grid;place-items:center;
}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.4px;padding:4px 11px;border-radius:999px;background:var(--brand-tint);color:var(--brand-d)}
.tag.teal{background:var(--teal-tint);color:var(--teal-d)}
.tag.violet{background:#EFEDFF;color:#4B3BE0}
/* ---------- 手风琴 ---------- */
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  margin-bottom:12px;box-shadow:0 1px 2px rgba(18,22,28,.04);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-header{margin:0}
.accordion-button{
  position:relative;width:100%;background:#fff;color:var(--ink);
  font-size:16.5px;font-weight:700;line-height:1.5;
  padding:18px 62px 18px 20px;border:0;border-radius:16px;
  box-shadow:none !important;transition:background var(--ease),color var(--ease);
}
.accordion-button:hover{background:#FFFAF7;color:var(--brand-d)}
.accordion-button:not(.collapsed){background:#FFF7F3;color:var(--brand-d)}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--grad);
}
.accordion-button::after{
  content:"+";font-family:inherit;font-size:19px;font-weight:600;line-height:1;
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand-d);
  display:grid;place-items:center;background-image:none;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);background:var(--brand);color:#fff}
.accordion-body{padding:4px 22px 20px;font-size:14.8px;color:var(--text);line-height:1.8}
.accordion-body p{margin:0 0 10px}
.accordion-body p:last-child{margin-bottom:0}
/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.scene{
  display:grid;grid-template-columns:118px minmax(0,1fr);gap:18px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-c);padding:18px;
  box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.28)}
.scene img{width:118px;height:96px;object-fit:cover;border-radius:14px}
.scene h3{font-size:17px;margin-bottom:6px}
.scene p{font-size:14px;color:var(--muted);margin:0}
/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step .n{display:inline-block;font-size:12.5px;font-weight:800;color:var(--brand-d);background:var(--brand-tint);border-radius:999px;padding:3px 11px;font-variant-numeric:tabular-nums;letter-spacing:.4px}
.step h3{font-size:16.5px;margin:12px 0 6px}
.step p{font-size:14px;color:var(--muted);margin:0}
/* ---------- 表格 ---------- */
.tbl-wrap{border:1px solid var(--line);border-radius:20px;overflow:auto;background:#fff;box-shadow:var(--sh-1);margin-top:18px}
table.tbl{width:100%;border-collapse:separate;border-spacing:0;min-width:660px;font-size:14.5px}
.tbl th{
  background:#FAFBFC;color:var(--ink);font-weight:700;font-size:13.5px;text-align:left;
  padding:14px 18px;border-bottom:1px solid var(--line);white-space:nowrap;letter-spacing:.2px;
}
.tbl td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top}
.tbl tbody tr:last-child td{border-bottom:0}
.tbl tbody tr:hover{background:#FFF9F6}
.tbl td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.tbl .num{font-variant-numeric:tabular-nums;color:var(--brand-d);font-weight:700}
.tbl-note{font-size:13px;color:var(--muted);margin:12px 0 0}
/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;background:var(--grad);border-radius:32px;
  padding:44px;color:#fff;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:32px;align-items:center;box-shadow:0 20px 50px rgba(255,90,31,.22);
}
.cta::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:300px;height:300px;border-radius:50%;
  background:rgba(255,255,255,.16);pointer-events:none;
}
.cta h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;letter-spacing:-.3px}
.cta p{color:rgba(255,255,255,.94);font-size:15px;margin:0 0 10px;max-width:32em}
.cta-form{position:relative;z-index:1;background:#fff;border-radius:24px;padding:22px;box-shadow:0 12px 30px rgba(18,22,28,.14)}
.cta-form label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px;letter-spacing:.2px}
.cta-form input{
  width:100%;height:44px;border-radius:12px;border:1px solid var(--line);
  padding:0 14px;font-size:15px;color:var(--ink);background:#fff;margin-bottom:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:#A9B2BF}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.28)}
.cta-form .btn-brand{width:100%}
.cta-form .agree{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.cta-form .agree input{width:15px;height:15px;margin:3px 0 0;flex:0 0 15px;accent-color:var(--brand)}
.cta-list{margin-top:6px}
.cta-list li{position:relative;padding-left:22px;font-size:14.5px;color:rgba(255,255,255,.95);margin-bottom:8px}
.cta-list li::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:2px;font-size:13px;color:#fff}
/* ---------- 页脚 ---------- */
.site-foot{
  background-color:var(--dark);
  background-image:linear-gradient(90deg,#FF5A1F 0%,#FFB020 100%);
  background-repeat:no-repeat;background-size:100% 3px;background-position:top left;
  color:#AEB7C4;padding:56px 0 0;padding-left:var(--side);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand b{color:#fff;font-size:17px;font-weight:700}
.site-foot p{font-size:14px;line-height:1.8;color:#98A2B3;margin:0;max-width:34em}
.foot-grid h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.2px}
.foot-links li{margin-bottom:10px;font-size:14px;color:#98A2B3}
.foot-links a{color:#AEB7C4}
.foot-links a:hover{color:var(--brand-l)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:38px;padding:18px 0 26px;
  font-size:12.5px;color:#8A94A3;letter-spacing:.2px;
}
/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .wrap{max-width:1140px}
}
@media (max-width:1199.98px){
  .split{grid-template-columns:214px minmax(0,1fr);gap:26px}
  .point-card{grid-template-columns:minmax(0,1fr) 168px;gap:20px}
}
@media (max-width:991.98px){
  .side-shell{display:none}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:60px;padding:0 16px;
    background:#fff;border-bottom:1px solid var(--line);z-index:1049;
  }
  .mobile-bar .brand-line b{font-size:16px}
  .burger{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
    color:var(--ink);display:grid;place-items:center;font-size:16px;
    transition:border-color var(--ease),color var(--ease);
  }
  .burger:hover{border-color:rgba(255,90,31,.45);color:var(--brand-d)}
  .main-area{margin-left:0;padding-top:60px}
  .crumb-bar{top:60px;padding:0 20px}
  .crumb-links{display:none}
  .wrap{padding:0 20px}
  .hero{padding:38px 0 36px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-media img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:24px}
  .side-toc{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;border-radius:18px}
  .toc-title{display:none}
  .toc-note{display:none}
  .side-toc a{white-space:nowrap;border-left:0;border:1px solid var(--line);padding:8px 14px;font-size:14px}
  .side-toc a.current{border-color:rgba(255,90,31,.5)}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta{grid-template-columns:1fr;padding:32px;border-radius:26px}
  .site-foot{padding-left:0}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .point-card{grid-template-columns:1fr;gap:18px}
  .point-card img{aspect-ratio:16/9}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:575.98px){
  body{font-size:15.5px}
  .wrap{padding:0 16px}
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .fact{min-width:0;padding:10px 14px}
  .fact b{font-size:19px}
  .steps{grid-template-columns:1fr}
  .scene{grid-template-columns:1fr;gap:14px}
  .scene img{width:100%;height:150px}
  .cta{padding:24px}
  .cta-form{padding:18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .crumb-bar{padding:0 16px}
}