/* roulang page: index */
:root{
  --brand-900:#101114;
  --brand-700:#2A2C33;
  --brand-500:#FF5A1F;
  --accent:#FFA23A;
  --signal:#C8F548;
  --bg:#F7F5F2;
  --ink:#1A1B1F;
  --muted:#6B6E76;
  --line:#E7E3DD;
  --white:#FFFFFF;
  --danger:#E23D3D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-card:0 1px 2px rgba(16,17,20,.06),0 8px 24px -16px rgba(16,17,20,.18);
  --shadow-float:0 20px 45px -20px rgba(16,17,20,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 3px rgba(255,90,31,.25);border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:1024px){.container{padding:0 24px}}
@media (max-width:640px){.container{padding:0 16px}}

/* ---------- 品牌行 ---------- */
.brandbar{background:var(--brand-900);color:#fff;position:sticky;top:0;z-index:60}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1.2}
.logo-main{font-size:19px;font-weight:900;letter-spacing:-.01em;color:#fff}
.logo-sub{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.02em}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.quick-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:8px 16px;min-width:220px}
.quick-search input{background:transparent;border:0;outline:none;color:#fff;width:100%;font-size:14px}
.quick-search input::placeholder{color:rgba(255,255,255,.45)}
.quick-search svg{flex:none;opacity:.6}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.28);border-radius:10px;padding:8px 12px;color:#fff;cursor:pointer}

/* ---------- 频道行 ---------- */
.channelbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:72px;z-index:50}
.channel-inner{display:flex;align-items:stretch;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{position:relative;display:inline-flex;align-items:center;white-space:nowrap;font-size:15px;color:var(--muted);transition:color .2s var(--ease)}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px 3px 0 0;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.channel-link:hover{color:var(--brand-900)}
.channel-link:hover::after{transform:scaleX(1);opacity:.35}
.channel-link.active{color:var(--brand-900);font-weight:600}
.channel-link.active::after{transform:scaleX(1);opacity:1}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(16,17,20,.6)}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:var(--brand-900);color:#fff;padding:28px 22px;display:flex;flex-direction:column;gap:6px}
.drawer-panel a{padding:14px 12px;border-radius:12px;font-size:15px;color:rgba(255,255,255,.8)}
.drawer-panel a.active,.drawer-panel a:hover{background:rgba(255,255,255,.08);color:#fff}
.drawer-close{align-self:flex-end;background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;border-radius:10px;padding:6px 12px;cursor:pointer}

/* ---------- 通用 ---------- */
.section{padding:96px 0}
@media (max-width:1024px){.section{padding:72px 0}}
@media (max-width:640px){.section{padding:56px 0}}
.section-head{display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-500);letter-spacing:.06em;text-transform:uppercase}
.h2{font-size:clamp(26px,3.2vw,36px);font-weight:800;letter-spacing:-.01em;color:var(--brand-900)}
.section-desc{margin-top:14px;max-width:62ch;color:var(--muted);font-size:15px;line-height:1.9}
.text-link{position:relative;font-weight:600;font-size:14px;color:var(--brand-500);background-image:linear-gradient(var(--brand-500),var(--brand-500));background-repeat:no-repeat;background-size:0% 2px;background-position:0 100%;transition:background-size .25s var(--ease)}
.text-link:hover{background-size:100% 2px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:13px;font-weight:600;padding:5px 12px;line-height:1.4}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted)}
.badge-signal{background:var(--signal);color:#1F2A05}
.badge-orange{background:rgba(255,90,31,.12);color:var(--brand-500)}
.badge-dark{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.18)}

/* ---------- 按钮 ---------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:0;cursor:pointer;overflow:hidden;transition:transform .2s var(--ease),filter .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn-primary{background:linear-gradient(120deg,var(--brand-500),var(--accent));color:#fff;box-shadow:0 14px 30px -16px rgba(255,90,31,.85)}
.btn-primary::after{content:"";position:absolute;top:0;left:-130%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);transform:skewX(-18deg);transition:left .55s var(--ease)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-primary:hover::after{left:140%}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{background:transparent;color:var(--brand-900);border:1.5px solid var(--brand-900)}
.btn-ghost:hover{background:var(--brand-900);color:#fff}
.btn-ghost-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--brand-900);color:#fff;overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.45}
.hero-glow{position:absolute;right:-180px;bottom:-240px;width:640px;height:640px;background:radial-gradient(circle,rgba(255,90,31,.55),transparent 68%);pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:88px 0;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
@media (max-width:1024px){.hero-inner{grid-template-columns:1fr;padding:64px 0;gap:36px}}
.hero-title{font-size:clamp(2.4rem,5vw,4.2rem);font-weight:900;letter-spacing:-.02em;line-height:1.15;margin:20px 0 0}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.78);max-width:56ch}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.hero-trust span.dot{width:7px;height:7px;border-radius:999px;background:var(--signal);flex:none}
.entry-card{background:#fff;color:var(--ink);border-radius:var(--radius-card);box-shadow:var(--shadow-float);padding:26px}
.entry-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.entry-card h3{font-size:20px;font-weight:800;margin-top:16px}
.entry-steps{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.entry-steps li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted)}
.entry-steps b{color:var(--ink);font-weight:700}
.step-num{flex:none;width:24px;height:24px;border-radius:999px;background:rgba(255,90,31,.12);color:var(--brand-500);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:3px}
.entry-foot{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted)}

.hero-anim > *{animation:riseIn .7s var(--ease) both}
.hero-anim > *:nth-child(1){animation-delay:.04s}
.hero-anim > *:nth-child(2){animation-delay:.1s}
.hero-anim > *:nth-child(3){animation-delay:.16s}
.hero-anim > *:nth-child(4){animation-delay:.22s}
.hero-anim > *:nth-child(5){animation-delay:.28s}
@keyframes riseIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}

.reveal{transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal{opacity:0;transform:translateY(18px)}
.js .reveal.is-visible{opacity:1;transform:none}

/* ---------- 阶梯 ---------- */
.stairs{position:relative;padding-left:60px}
.stairs::before{content:"";position:absolute;left:20px;top:16px;bottom:16px;width:2px;background:var(--line)}
.stair-item{position:relative;margin-bottom:20px}
.stair-item:last-child{margin-bottom:0}
.stair-dot{position:absolute;left:-60px;top:24px;width:40px;height:40px;border-radius:999px;background:#fff;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--muted);z-index:2;transition:border-color .25s var(--ease),color .25s var(--ease)}
.stair-item:hover .stair-dot{border-color:var(--brand-500);color:var(--brand-500)}
.stair-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.stair-item:hover .stair-card{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-float)}
.stair-card h3{font-size:20px;font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.stair-card p{margin-top:10px;color:var(--muted);font-size:15px}
.stair-1{margin-left:0}
.stair-2{margin-left:24px}
.stair-3{margin-left:48px}
.stair-4{margin-left:72px}
.stair-4 .stair-card{background:linear-gradient(150deg,#fff,rgba(255,90,31,.07));border-color:rgba(255,90,31,.35)}
@media (max-width:768px){
  .stairs{padding-left:48px}
  .stairs::before{left:14px}
  .stair-dot{left:-48px;width:32px;height:32px;font-size:13px}
  .stair-2,.stair-3,.stair-4{margin-left:0}
}

/* ---------- 对比表 ---------- */
.cmp-wrap{border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;overflow:hidden;box-shadow:var(--shadow-card)}
.cmp-scroll{overflow-x:auto}
.cmp{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.cmp th,.cmp td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp thead th{background:#FAF8F6;font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap}
.cmp thead th.col-rec{background:rgba(255,90,31,.09);color:var(--brand-500)}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:0}
.cmp tbody th{font-weight:600;color:var(--brand-700);background:#FCFAF8;width:180px}
.cmp tbody td{color:var(--muted)}
.cmp .col-rec{background:rgba(255,90,31,.055);color:var(--ink)}
.cmp .num{font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand-900);font-size:17px}
.rec-tag{display:inline-block;margin-left:8px;font-size:12px;font-weight:700;color:#fff;background:linear-gradient(120deg,var(--brand-500),var(--accent));border-radius:999px;padding:2px 10px;vertical-align:middle}
.cmp-hint{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 限时条 ---------- */
.limit-bar{background:var(--brand-900);color:#fff}
.limit-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;padding:22px 32px;min-height:88px}
@media (max-width:640px){.limit-inner{padding:22px 16px}}
.limit-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.limit-text{font-size:15px;color:rgba(255,255,255,.78)}
.cd-group{display:flex;gap:10px}
.cd-cell{display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:56px;padding:8px 6px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13)}
.cd-num{font-variant-numeric:tabular-nums;font-weight:900;font-size:22px;line-height:1;color:var(--signal);transition:opacity .12s linear}
.cd-num.flip{opacity:.35}
.cd-label{font-size:11px;color:rgba(255,255,255,.55);margin-top:6px}
.limit-right{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
@media (max-width:900px){.limit-right{margin-left:0;align-items:flex-start}}
.limit-note{font-size:12.5px;color:rgba(255,255,255,.5);max-width:38ch}

/* ---------- 内容卡片 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1024px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.post-grid{grid-template-columns:1fr}}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);display:flex;flex-direction:column;transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-float)}
.post-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:#EDE9E4}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-cover .badge{position:absolute;left:14px;bottom:14px}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-title{font-size:19px;font-weight:700;line-height:1.45}
.post-title a{transition:color .2s var(--ease)}
.post-card:hover .post-title a{color:var(--brand-500)}
.post-excerpt{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.empty-state{border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;padding:56px 24px;text-align:center;color:var(--muted)}
.empty-state img{width:180px;margin:0 auto 20px;border-radius:14px;opacity:.85}
.empty-state p{font-size:15px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.faq-item[open]{border-color:rgba(255,90,31,.45);box-shadow:var(--shadow-card)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:16px;font-weight:600;display:flex;align-items:center;gap:14px;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500);transform:scaleY(0);transform-origin:top;transition:transform .25s var(--ease)}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary .plus{margin-left:auto;flex:none;width:26px;height:26px;border-radius:999px;background:var(--bg);color:var(--muted);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;transition:background-color .2s var(--ease),color .2s var(--ease),transform .25s var(--ease)}
.faq-item[open] summary .plus{background:rgba(255,90,31,.12);color:var(--brand-500);transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start}
@media (max-width:1024px){.contact-grid{grid-template-columns:1fr;gap:28px}}
.contact-info{display:flex;flex-direction:column;gap:18px}
.info-item{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px 22px;box-shadow:var(--shadow-card)}
.info-item b{display:block;font-size:15px;font-weight:700}
.info-item span{font-size:14px;color:var(--muted)}
.info-icon{flex:none;width:38px;height:38px;border-radius:12px;background:rgba(255,90,31,.1);color:var(--brand-500);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-float)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:640px){.form-row{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:14px;font-weight:600;color:var(--brand-700)}
.field input,.field select,.field textarea{background:#FAF8F6;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease)}
.field textarea{min-height:120px;resize:vertical;line-height:1.75}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.16)}
.field.error input,.field.error select,.field.error textarea{border-color:var(--danger);background:rgba(226,61,61,.05)}
.field .err{font-size:13px;color:var(--danger);display:none}
.field.error .err{display:block}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin-bottom:20px}
.agree input{width:16px;height:16px;margin-top:5px;accent-color:var(--brand-500);flex:none}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}
.form-success{display:none;margin-top:16px;padding:14px 16px;border-radius:12px;background:rgba(200,245,72,.28);border:1px solid rgba(160,200,40,.5);font-size:14px;color:#3A4A08}
.form-success.show{display:block}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:#fff;border-top:1px solid rgba(255,255,255,.1);position:relative}
.footer::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:720px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,90,31,.7),transparent)}
.footer-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:72px 0 48px}
@media (max-width:1024px){.footer-cols{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}}
@media (max-width:640px){.footer-cols{grid-template-columns:1fr}}
.footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer li{margin-bottom:10px}
.footer a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s var(--ease)}
.footer a:hover{color:var(--brand-400)}
.footer-brand .logo-main{font-size:20px}
.footer-brand p{margin-top:14px;font-size:14px;color:rgba(255,255,255,.55);max-width:34ch}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
    --brand-900:#101114;
    --brand-800:#1A1B1F;
    --brand-700:#2A2C33;
    --brand-500:#FF5A1F;
    --accent:#FFA23A;
    --signal:#C8F548;
    --bg:#F7F5F2;
    --card:#FFFFFF;
    --ink:#1A1B1F;
    --ink-soft:#232428;
    --muted:#6B6E76;
    --line:#E7E3DD;
    --danger:#E23D3D;
    --radius-card:18px;
    --radius-btn:12px;
    --radius-img:16px;
    --shadow-card:0 1px 2px rgba(16,17,20,.06), 0 8px 24px -16px rgba(16,17,20,.18);
    --shadow-float:0 20px 45px -20px rgba(16,17,20,.35);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    font-feature-settings:"tnum";
    -webkit-font-smoothing:antialiased;
  }
  img{display:block;max-width:100%;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0}
  :focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;box-shadow:0 0 0 3px rgba(255,90,31,.22)}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
  @media (max-width:1024px){.container{padding:0 24px}}
  @media (max-width:520px){.container{padding:0 16px}}

  /* ============ 品牌行 ============ */
  .brandbar{background:var(--brand-900);color:#fff;position:sticky;top:0;z-index:60;box-shadow:0 1px 0 rgba(255,255,255,.06)}
  .brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
  .logo{display:flex;flex-direction:column;gap:1px;line-height:1.15;flex-shrink:0}
  .logo-main{font-size:19px;font-weight:800;letter-spacing:.01em;color:#fff}
  .logo-sub{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.04em}
  .brand-actions{display:flex;align-items:center;gap:14px}
  .quick-search{
    display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
    border-radius:999px;transition:border-color .2s,box-shadow .2s,background .2s;
  }
  .quick-search input{background:transparent;border:0;outline:0;color:#fff;width:176px;font-size:14px}
  .quick-search input::placeholder{color:rgba(255,255,255,.45)}
  .quick-search:focus-within{border-color:var(--brand-500);background:rgba(255,255,255,.12);box-shadow:0 0 0 3px rgba(255,90,31,.22)}
  .nav-toggle{
    display:none;height:40px;padding:0 14px;border-radius:var(--radius-btn);
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;font-size:14px;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.18)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--radius-btn);padding:11px 20px;font-size:15px;font-weight:700;
    border:1px solid transparent;transition:transform .2s cubic-bezier(.2,.7,.3,1),background .2s,color .2s,border-color .2s,box-shadow .2s;
  }
  .btn-primary{
    background:linear-gradient(135deg,#FF5A1F 0%,#FFA23A 100%);
    color:#fff;box-shadow:0 10px 24px -14px rgba(255,90,31,.85);
  }
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.95)}
  .btn-ghost{
    background:transparent;border:1.5px solid var(--brand-900);color:var(--brand-900);
  }
  .btn-ghost:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
  .btn-outline-light{background:transparent;border:1.5px solid rgba(255,255,255,.45);color:#fff}
  .btn-outline-light:hover{background:#fff;color:var(--brand-900);transform:translateY(-2px)}

  /* ============ 频道行 ============ */
  .channelbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:72px;z-index:55}
  .channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:52px}
  .channel-list{display:flex;align-items:center;gap:4px;list-style:none;padding:0;margin:0;overflow-x:auto;scrollbar-width:none}
  .channel-list::-webkit-scrollbar{display:none}
  .channel-list a{
    display:block;white-space:nowrap;height:52px;line-height:52px;padding:0 16px;
    font-size:15px;color:var(--muted);border-bottom:3px solid transparent;transition:color .2s,background .2s,border-color .2s;
  }
  .channel-list a:hover{color:var(--brand-900);background:rgba(255,90,31,.07)}
  .channel-list a.is-active{color:var(--brand-900);font-weight:700;border-bottom-color:var(--brand-500)}
  .channel-cta{font-size:13px;color:var(--brand-500);font-weight:600;white-space:nowrap;background-image:linear-gradient(var(--brand-500),var(--brand-500));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .25s}
  .channel-cta:hover{background-size:100% 2px}

  /* 移动端抽屉 */
  .mobile-drawer{display:none;background:var(--brand-900);border-top:1px solid rgba(255,255,255,.08)}
  .mobile-drawer.is-open{display:block;animation:dropIn .22s ease}
  @keyframes dropIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
  .mobile-drawer .container{padding-top:16px;padding-bottom:22px}
  .drawer-list{list-style:none;padding:0;margin:0 0 16px}
  .drawer-list a{display:block;padding:12px 0;color:rgba(255,255,255,.78);font-size:15px;border-bottom:1px solid rgba(255,255,255,.08)}
  .drawer-list a:hover,.drawer-list a.is-active{color:#fff}

  /* ============ 面包屑 ============ */
  .article-wrap{padding:34px 0 0}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
  .breadcrumb a{color:var(--muted);transition:color .2s}
  .breadcrumb a:hover{color:var(--brand-500)}
  .breadcrumb .sep{color:#C9C4BC}
  .breadcrumb em{font-style:normal;color:var(--ink);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

  /* ============ 布局 ============ */
  .article-layout{
    display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:52px;align-items:start;
    padding:26px 0 72px;
  }
  @media (max-width:1023px){
    .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding-bottom:56px}
    .side-sticky{position:static}
  }

  /* ============ 文章头部 ============ */
  .article-head{border-bottom:1px solid var(--line);padding-bottom:22px}
  .badge{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
    padding:4px 12px;border-radius:999px;background:rgba(255,90,31,.1);
    color:#BC3F0B;border:1px solid rgba(255,90,31,.22);
  }
  .article-title{
    font-size:clamp(28px,3.5vw,40px);line-height:1.25;font-weight:800;
    letter-spacing:-.012em;margin:14px 0 16px;color:var(--brand-900);
  }
  .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:20px;font-size:13px;color:var(--muted)}
  .article-meta span{display:inline-flex;align-items:center;gap:6px}
  .article-meta .dot{width:4px;height:4px;border-radius:999px;background:#CFCAC2}

  .article-cover{margin:26px 0 8px;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:#EDE9E4;box-shadow:var(--shadow-card)}
  .article-cover img{width:100%;height:100%;object-fit:cover}

  /* ============ 正文排版 ============ */
  .article-body{
    max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-soft);
    counter-reset:h2c;margin-top:26px;
  }
  .article-body p{margin:0 0 1.2em}
  .article-body h2{
    counter-increment:h2c;
    font-size:24px;font-weight:800;line-height:1.45;color:var(--brand-900);
    margin:2.2em 0 .85em;padding-left:16px;border-left:4px solid var(--brand-500);
    scroll-margin-top:150px;
  }
  .article-body h2::before{
    content:counter(h2c,decimal-leading-zero);
    display:inline-block;margin-right:.5em;font-size:.72em;font-weight:900;
    color:var(--brand-500);letter-spacing:.02em;vertical-align:2px;
  }
  .article-body h3{font-size:20px;font-weight:700;color:var(--brand-900);margin:1.8em 0 .6em;scroll-margin-top:150px}
  .article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em}
  .article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em}
  .article-body li{margin:.42em 0}
  .article-body a{color:#C9400B;border-bottom:1px solid rgba(255,90,31,.4);transition:border-color .2s,color .2s}
  .article-body a:hover{color:var(--brand-500);border-bottom-color:var(--brand-500)}
  .article-body blockquote{
    margin:1.6em 0;padding:16px 20px;background:#F1EEE9;border-left:4px solid var(--brand-500);
    border-radius:0 12px 12px 0;color:#3C3E45;font-size:16px;
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow-card)}
  .article-body figure{margin:1.6em 0}
  .article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
  .article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
  .article-body thead th{background:#F1EEE9;font-weight:700;color:var(--brand-900)}
  .article-body tbody tr:nth-child(even){background:#FAF9F7}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
  .article-body code{background:#F1EEE9;padding:2px 6px;border-radius:6px;font-size:.92em}
  .article-body strong{color:var(--brand-900)}

  /* ============ 空状态 ============ */
  .empty-state{
    max-width:760px;margin:26px 0 0;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-card);padding:40px 32px;text-align:center;box-shadow:var(--shadow-card);
  }
  .empty-state img{width:100%;max-width:320px;margin:0 auto 22px;border-radius:var(--radius-img);object-fit:cover;aspect-ratio:16/10}
  .empty-state h2{font-size:22px;font-weight:800;margin:0 0 10px;color:var(--brand-900)}
  .empty-state p{font-size:15px;color:var(--muted);margin:0 auto 22px;max-width:460px}

  /* ============ 侧栏 ============ */
  .side-sticky{position:sticky;top:150px;display:flex;flex-direction:column;gap:18px}
  .side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card)}
  .side-title{font-size:15px;font-weight:800;color:var(--brand-900);margin:0 0 12px;display:flex;align-items:center;gap:8px}
  .side-title::before{content:"";width:4px;height:15px;border-radius:2px;background:linear-gradient(180deg,#FF5A1F,#FFA23A)}
  .toc-list{list-style:none;padding:0;margin:0;border-left:2px solid var(--line)}
  .toc-list li a{
    display:block;padding:7px 0 7px 14px;margin-left:-2px;font-size:14px;color:var(--muted);
    border-left:2px solid transparent;transition:color .2s,border-color .2s,background .2s;
  }
  .toc-list li a:hover{color:var(--brand-500);background:rgba(255,90,31,.05)}
  .toc-list li a.is-current{color:var(--brand-900);font-weight:600;border-left-color:var(--brand-500)}
  .toc-list li.lv3 a{padding-left:28px;font-size:13px}
  .toc-empty{font-size:13px;color:var(--muted);margin:0}

  .mini-card{display:flex;gap:12px;padding:10px;border-radius:14px;border:1px solid transparent;transition:background .2s,border-color .2s,transform .2s}
  .mini-card + .mini-card{margin-top:6px}
  .mini-card:hover{background:#FBF8F4;border-color:rgba(255,90,31,.35);transform:translateY(-2px)}
  .mini-card img{width:76px;height:60px;flex:0 0 76px;border-radius:10px;object-fit:cover}
  .mini-card strong{display:block;font-size:14px;font-weight:700;line-height:1.5;color:var(--brand-900);margin-bottom:4px}
  .mini-card span{font-size:12px;color:var(--muted)}

  /* ============ 继续阅读 ============ */
  .read-next{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:44px}
  @media (max-width:640px){.read-next{grid-template-columns:minmax(0,1fr)}}
  .next-card{
    display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
    padding:24px;box-shadow:var(--shadow-card);transition:transform .24s cubic-bezier(.2,.7,.3,1),border-color .24s,box-shadow .24s;
  }
  .next-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--shadow-float)}
  .next-label{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-500);letter-spacing:.06em;margin-bottom:10px}
  .next-card h3{font-size:19px;font-weight:800;color:var(--brand-900);margin:0 0 8px}
  .next-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.8}

  .back-row{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}

  /* ============ FAQ ============ */
  .section{padding:72px 0}
  @media (max-width:1023px){.section{padding:56px 0}}
  @media (max-width:520px){.section{padding:44px 0}}
  .section-head{max-width:720px;margin-bottom:28px}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.08em;margin-bottom:10px}
  .section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.3;color:var(--brand-900);margin:0 0 12px}
  .section-head p{font-size:15px;color:var(--muted);margin:0}

  .faq-list{display:grid;gap:12px;max-width:920px}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
  .faq-item[open]{border-color:rgba(255,90,31,.45);box-shadow:var(--shadow-card)}
  .faq-item summary{
    list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--brand-900);
    display:flex;align-items:center;justify-content:space-between;gap:16px;position:relative;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-500);transform:scaleY(0);transform-origin:center;transition:transform .22s ease}
  .faq-item[open] summary::before{transform:scaleY(1)}
  .faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--brand-500);line-height:1;transition:transform .22s}
  .faq-item[open] summary::after{transform:rotate(45deg)}
  .faq-item .faq-answer{padding:0 22px 20px;font-size:15px;color:#3C3E45;line-height:1.85}

  /* ============ CTA ============ */
  .cta-band{
    background:var(--brand-900);color:#fff;position:relative;overflow:hidden;
    padding:56px 0;border-top:1px solid rgba(255,255,255,.06);
  }
  .cta-band::after{
    content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,90,31,.42) 0%,rgba(255,90,31,0) 68%);pointer-events:none;
  }
  .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;z-index:1}
  .cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin:12px 0 10px;color:#fff;line-height:1.3}
  .cta-inner p{font-size:15px;color:rgba(255,255,255,.68);margin:0;max-width:600px}
  .cta-actions{display:flex;gap:12px;flex-wrap:wrap}
  .tag-signal{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;background:rgba(200,245,72,.14);color:#C8F548;border:1px solid rgba(200,245,72,.38);letter-spacing:.06em}

  /* ============ 页脚 ============ */
  .footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:60px 0 0;position:relative}
  .footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,90,31,0),rgba(255,90,31,.65),rgba(255,90,31,0))}
  .footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
  .footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px}
  .footer ul{list-style:none;padding:0;margin:0}
  .footer li{margin-bottom:10px;font-size:14px}
  .footer li a{color:rgba(255,255,255,.7);transition:color .2s}
  .footer li a:hover{color:var(--accent)}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:16px 0 0;max-width:360px}
  .footer-bottom{
    border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
    padding:20px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
  }
  @media (max-width:1023px){.footer-cols{grid-template-columns:1fr 1fr;gap:32px}}
  @media (max-width:640px){.footer-cols{grid-template-columns:1fr;gap:26px}}

  /* ============ 动效 ============ */
  .fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .5s cubic-bezier(.2,.7,.3,1) forwards}
  .fade-up.d1{animation-delay:.06s}
  .fade-up.d2{animation-delay:.12s}
  .fade-up.d3{animation-delay:.18s}
  @keyframes fadeUp{to{opacity:1;transform:none}}
  .reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1)}
  .reveal.is-in{opacity:1;transform:none}
  @media (prefers-reduced-motion:reduce){
    *{animation:none !important;transition:none !important}
    .fade-up,.reveal{opacity:1;transform:none}
    html{scroll-behavior:auto}
  }

  /* ============ 响应式 ============ */
  @media (max-width:900px){
    .quick-search{display:none}
  }
  @media (max-width:768px){
    .brandbar-inner{height:64px;gap:14px}
    .logo-main{font-size:16px}
    .logo-sub{font-size:11px}
    .brandbar .btn-primary{display:none}
    .nav-toggle{display:inline-flex;align-items:center}
    .channelbar{top:64px}
    .channelbar-inner{height:48px}
    .channel-list a{height:48px;line-height:48px;padding:0 13px;font-size:14px}
    .channel-cta{display:none}
    .article-title{margin:12px 0 14px}
    .article-body{font-size:16px}
    .article-body h2{font-size:21px;padding-left:13px}
    .article-body h3{font-size:18px}
    .breadcrumb em{max-width:220px}
    .side-card{padding:18px}
  }
  @media (max-width:520px){
    .article-wrap{padding-top:22px}
    .article-cover{aspect-ratio:16/10;margin-top:20px}
    .cta-inner{gap:20px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 auto}
    .footer-bottom{flex-direction:column}
  }

/* roulang page: category1 */
:root{
  --brand-900:#101114;
  --brand-800:#1A1B1F;
  --brand-500:#FF5A1F;
  --brand-400:#FFA23A;
  --accent:#FF5A1F;
  --signal:#C8F548;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --ink:#1A1B1F;
  --muted:#6B6E76;
  --line:#E7E3DD;
  --err:#E23D3D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:16px;
  --shadow-card:0 1px 2px rgba(16,17,20,.06),0 8px 24px -16px rgba(16,17,20,.18);
  --shadow-hover:0 20px 45px -20px rgba(16,17,20,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 3px rgba(255,90,31,.28);border-radius:6px}
::selection{background:rgba(255,90,31,.22)}
.num{font-family:Inter,"PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.narrow{width:100%;max-width:880px;margin:0 auto}

/* ---------- 品牌行 ---------- */
.brandbar{background:var(--brand-900);color:#fff;position:relative;z-index:40}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:72px}
.logo{display:flex;flex-direction:column;gap:2px;min-width:0}
.logo-main{font-size:20px;font-weight:800;letter-spacing:-.01em;color:#fff;white-space:nowrap}
.logo-sub{font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.04em;white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:14px}
.quick-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:999px;padding:8px 16px;min-width:236px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.quick-search:hover{border-color:rgba(255,90,31,.6);background:rgba(255,255,255,.12)}
.quick-search input{
  background:none;border:0;outline:none;color:#fff;font-size:14px;width:100%;
}
.quick-search input::placeholder{color:rgba(255,255,255,.5)}
.nav-toggle{display:none;border:1.5px solid rgba(255,255,255,.4);color:#fff;border-radius:10px;padding:8px 16px;font-size:14px;font-weight:600;transition:all .22s var(--ease)}
.nav-toggle:hover{background:#fff;color:var(--brand-900);border-color:#fff}

/* ---------- 频道行 ---------- */
.channels{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:30}
.channels-inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none}
.channels-inner::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:52px;
  padding:0 18px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:color .22s var(--ease),background .22s var(--ease);
}
.channel::after{
  content:"";position:absolute;left:18px;right:18px;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--brand-500),var(--brand-400));
  border-radius:3px 3px 0 0;transform:scaleX(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.channel:hover{color:var(--brand-900);background:rgba(255,90,31,.07)}
.channel.is-active{color:var(--brand-900);font-weight:700}
.channel.is-active::after{transform:scaleX(1)}

/* ---------- 移动抽屉 ---------- */
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;z-index:90;
  background:var(--brand-900);color:#fff;
  padding:28px 24px;transform:translateX(102%);
  transition:transform .3s var(--ease);
  box-shadow:-24px 0 60px -30px rgba(0,0,0,.7);
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer h3{font-size:13px;letter-spacing:.16em;color:rgba(255,255,255,.5);font-weight:600;margin-bottom:14px}
.nav-drawer a{display:block;padding:13px 0;font-size:16px;color:rgba(255,255,255,.82);border-bottom:1px solid rgba(255,255,255,.1)}
.nav-drawer a.is-active{color:var(--brand-400);font-weight:700}
.nav-drawer a:hover{color:#fff}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;padding:88px 0 84px}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,17,20,.94) 0%,rgba(16,17,20,.78) 50%,rgba(16,17,20,.42) 100%)}
.page-hero::before{content:"";position:absolute;right:-140px;bottom:-190px;width:560px;height:560px;background:radial-gradient(circle,rgba(255,90,31,.42),transparent 66%);z-index:3;pointer-events:none}
.page-hero-inner{position:relative;z-index:4;max-width:900px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:26px}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:rgba(255,90,31,.9);text-underline-offset:4px}
.breadcrumb .sep{color:rgba(255,255,255,.35)}
.hero-title{font-size:clamp(2rem,4.2vw,3.4rem);font-weight:900;line-height:1.16;letter-spacing:-.02em;margin:18px 0 20px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:760px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:44px;padding-top:30px;border-top:1px solid rgba(255,255,255,.16)}
.hero-points li{display:flex;flex-direction:column;gap:4px}
.hero-points strong{font-size:15px;color:#fff}
.hero-points span{font-size:13px;color:rgba(255,255,255,.62);line-height:1.7}

/* ---------- 通用按钮/徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  padding:13px 26px;border:1.5px solid transparent;
  transition:transform .22s var(--ease),background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease);
}
.btn-primary{background:linear-gradient(135deg,var(--brand-500),var(--brand-400));color:#fff;box-shadow:0 12px 26px -16px rgba(255,90,31,.95)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px);filter:brightness(.95)}
.btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline{border-color:var(--brand-900);color:var(--brand-900)}
.btn-outline:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:13px;font-weight:700;padding:6px 14px;letter-spacing:.02em}
.badge-signal{background:var(--signal);color:var(--brand-900)}
.badge-brand{background:rgba(255,90,31,.13);color:#C03E0D}
.badge-soft{background:rgba(16,17,20,.06);color:var(--muted)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500);background:linear-gradient(var(--brand-500),var(--brand-500)) no-repeat left bottom/0 2px;transition:background-size .26s var(--ease)}
.link-arrow:hover{background-size:100% 2px}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{margin-bottom:44px;max-width:760px}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-500);text-transform:uppercase;margin-bottom:14px}
.h2{font-size:clamp(1.6rem,3vw,2.25rem);font-weight:800;line-height:1.3}
.section-lead{font-size:16.5px;color:var(--muted);margin-top:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 编号导读 ---------- */
.index-list{position:relative;border-left:2px solid var(--line);margin-top:8px}
.index-item{position:relative;padding:0 0 42px 40px}
.index-item:last-child{padding-bottom:0}
.index-item::before{
  content:"";position:absolute;left:-10px;top:6px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
  box-shadow:0 0 0 6px rgba(255,90,31,.08);
}
.index-num{font-family:Inter,"PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:13px;font-weight:800;color:var(--brand-500);letter-spacing:.14em}
.index-item h3{font-size:21px;font-weight:700;margin:6px 0 10px}
.index-item p{color:var(--muted);font-size:16px;max-width:760px}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:56px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-card);background:#eee}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media figcaption{position:absolute;left:16px;bottom:14px;font-size:12px;color:rgba(255,255,255,.9);background:rgba(16,17,20,.55);padding:5px 12px;border-radius:999px}
.check-list{margin-top:26px;display:grid;gap:16px}
.check-list li{display:grid;grid-template-columns:22px 1fr;gap:14px;align-items:start}
.check-list .dot{width:22px;height:22px;border-radius:50%;background:rgba(255,90,31,.14);color:var(--brand-500);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:4px}
.check-list strong{display:block;font-size:16.5px;font-weight:700}
.check-list span{display:block;color:var(--muted);font-size:15px}

/* ---------- 场景行 ---------- */
.scene-list{display:grid;gap:18px}
.scene-item{
  display:grid;grid-template-columns:132px 1fr;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px;box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.scene-item:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.55);box-shadow:var(--shadow-hover)}
.scene-item img{width:132px;height:96px;object-fit:cover;border-radius:12px}
.scene-item h3{font-size:19px;font-weight:700;margin-bottom:6px}
.scene-item p{color:var(--muted);font-size:15px}
.scene-item .badge{margin-bottom:8px}

/* ---------- 步骤 ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step-item{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px 24px 26px;
  box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.step-item::before{content:"";position:absolute;left:0;top:0;height:4px;width:100%;background:linear-gradient(90deg,var(--brand-500),var(--brand-400));transform:scaleX(.32);transform-origin:left;transition:transform .3s var(--ease)}
.step-item:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-hover)}
.step-item:hover::before{transform:scaleX(1)}
.step-num{font-family:Inter,"PingFang SC",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:30px;font-weight:800;color:rgba(16,17,20,.14);line-height:1}
.step-item h3{font-size:18px;font-weight:700;margin:10px 0 8px}
.step-item p{font-size:14.5px;color:var(--muted)}

/* ---------- 对照表 ---------- */
.compare{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-card)}
.compare-head,.compare-row{display:grid;grid-template-columns:200px 1fr 260px;gap:24px;padding:20px 26px}
.compare-head{background:#F2EFEA;font-size:14px;font-weight:700;color:var(--brand-900);letter-spacing:.02em}
.compare-row{border-top:1px solid var(--line);font-size:15px;transition:background .22s var(--ease)}
.compare-row:hover{background:rgba(255,90,31,.05)}
.compare-row .col-name{font-weight:700;display:flex;align-items:center;gap:8px}
.compare-row .col-name i{width:8px;height:8px;border-radius:50%;background:var(--brand-500);display:inline-block;font-style:normal}
.compare-row .col-mid{color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:hover{border-color:rgba(255,90,31,.4)}
.faq-item[open]{border-color:rgba(255,90,31,.55);box-shadow:var(--shadow-card)}
.faq-item summary{
  position:relative;cursor:pointer;list-style:none;
  padding:20px 58px 20px 26px;font-size:16px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-500);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item summary::after{
  content:"+";position:absolute;right:26px;top:50%;transform:translateY(-50%);
  color:var(--brand-500);font-size:22px;font-weight:600;line-height:1;
}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--brand-500)}
.faq-answer{padding:0 26px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  border-radius:24px;padding:56px;display:flex;flex-wrap:wrap;gap:36px;
  align-items:center;justify-content:space-between;
}
.cta-panel::before{content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;background:radial-gradient(circle,rgba(255,90,31,.42),transparent 65%)}
.cta-panel::after{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:linear-gradient(90deg,var(--brand-500),rgba(255,90,31,0))}
.cta-text{position:relative;z-index:2;max-width:620px}
.cta-text h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.32}
.cta-text p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.72)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:rgba(255,255,255,.72);position:relative;margin-top:8px}
.footer::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:linear-gradient(90deg,rgba(255,90,31,.7),rgba(255,90,31,0))}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding:72px 0 52px}
.footer .logo-main{font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px}
.footer h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.05em;margin-bottom:18px}
.footer ul li{margin-bottom:11px}
.footer ul a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s var(--ease)}
.footer ul a:hover{color:var(--brand-400)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .js .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .split{grid-template-columns:1fr;gap:36px}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-cols{grid-template-columns:1fr 1fr;gap:36px;padding:56px 0 40px}
  .compare-head,.compare-row{grid-template-columns:160px 1fr 200px;gap:18px;padding:18px 20px}
  .cta-panel{padding:44px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .quick-search{display:none}
  .nav-toggle{display:inline-flex}
  .logo-main{font-size:16px}
  .logo-sub{font-size:11px}
  .brand-actions .btn-primary{display:none}
  .channels-inner{
    -webkit-mask-image:linear-gradient(90deg,#000 0,#000 88%,transparent 100%);
    mask-image:linear-gradient(90deg,#000 0,#000 88%,transparent 100%);
    padding-right:16px;
  }
  .channel{padding:0 14px;font-size:14.5px}
  .channel::after{left:14px;right:14px}
  .page-hero{padding:56px 0 60px}
  .hero-points{grid-template-columns:1fr;gap:16px;margin-top:32px;padding-top:24px}
  .hero-cta .btn{flex:1 1 100%}
  .index-item{padding-left:28px;padding-bottom:32px}
  .index-item::before{left:-9px;width:16px;height:16px}
  .scene-item{grid-template-columns:1fr;gap:14px;padding:16px}
  .scene-item img{width:100%;height:160px}
  .step-list{grid-template-columns:1fr}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr;gap:10px;padding:20px}
  .compare-row .col-mid::before,.compare-row .col-note::before{
    display:block;font-size:12px;font-weight:700;color:var(--brand-500);
    letter-spacing:.08em;margin-bottom:4px;
  }
  .compare-row .col-mid::before{content:"适合情况"}
  .compare-row .col-note::before{content:"需要注意"}
  .cta-panel{padding:32px 24px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-cols{grid-template-columns:1fr;gap:32px;padding:48px 0 32px}
  .footer-bottom{flex-direction:column}
  .faq-item summary{padding:18px 48px 18px 20px;font-size:15.5px}
  .faq-answer{padding:0 20px 20px}
}

/* roulang page: category2 */
:root{
  --brand-900:#101114;
  --brand-800:#1A1B1F;
  --brand-700:#2A2C31;
  --accent:#FF5A1F;
  --accent-2:#FFA23A;
  --signal:#C8F548;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --ink:#1A1B1F;
  --muted:#6B6E76;
  --line:#E7E3DD;
  --danger:#E23D3D;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pic:16px;
  --shadow-sm:0 1px 2px rgba(16,17,20,.06), 0 8px 24px -16px rgba(16,17,20,.18);
  --shadow-lg:0 20px 45px -20px rgba(16,17,20,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
::selection{background:rgba(255,90,31,.18)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;box-shadow:0 0 0 3px rgba(255,90,31,.25);border-radius:6px}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--brand-900);color:#fff}
.section-white{background:#fff}

/* ---------- 顶部品牌行 ---------- */
.brandbar{background:var(--brand-900);color:#fff;height:72px;display:flex;align-items:center;position:relative;z-index:50}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.logo{display:flex;flex-direction:column;line-height:1.18}
.logo-main{font-size:20px;font-weight:900;letter-spacing:-.01em;color:#fff}
.logo-sub{font-size:12px;color:rgba(255,255,255,.55);margin-top:3px;letter-spacing:.02em}
.brand-actions{display:flex;align-items:center;gap:14px}
.quick-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:7px 14px;transition:border-color .2s var(--ease),background .2s var(--ease)}
.quick-search:hover{border-color:rgba(255,90,31,.55);background:rgba(255,255,255,.12)}
.quick-search input{background:transparent;border:0;outline:none;color:#fff;font-size:14px;width:180px}
.quick-search input::placeholder{color:rgba(255,255,255,.45)}
.nav-toggle{display:none;align-items:center;gap:8px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;border-radius:10px;padding:9px 14px;font-size:14px;font-weight:700;cursor:pointer}
.nav-toggle:hover{border-color:rgba(255,90,31,.6)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;border:0;cursor:pointer;transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease)}
.btn-primary{background:linear-gradient(120deg,#FF5A1F 0%,#FFA23A 100%);color:#fff;box-shadow:0 12px 26px -14px rgba(255,90,31,.85);position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transform:skewX(-18deg);transition:left .5s var(--ease)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05)}
.btn-primary:hover::after{left:120%}
.btn-primary:active{transform:translateY(-1px);filter:brightness(.96)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--brand-900)}
.btn-outline:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--accent);background-image:linear-gradient(var(--accent),var(--accent));background-repeat:no-repeat;background-position:0 100%;background-size:0% 2px;transition:background-size .25s var(--ease)}
.link-arrow:hover{background-size:100% 2px}

/* ---------- 频道行 ---------- */
.channelbar{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(16,17,20,.03);position:sticky;top:0;z-index:40}
.channelbar-inner{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel-link{position:relative;white-space:nowrap;padding:16px 15px;font-size:15px;font-weight:600;color:var(--muted);transition:color .2s var(--ease),background-color .2s var(--ease)}
.channel-link::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;border-radius:3px 3px 0 0;background:linear-gradient(90deg,#FF5A1F,#FFA23A);transform:scaleX(0);transform-origin:center;transition:transform .24s var(--ease)}
.channel-link:hover{color:var(--brand-900);background:rgba(255,90,31,.06)}
.channel-link.active{color:var(--brand-900)}
.channel-link.active::after{transform:scaleX(1)}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;background:var(--brand-900);z-index:90;display:none;padding:22px 20px 40px;overflow-y:auto}
.drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:10px;padding:8px 14px;font-size:14px;font-weight:700;cursor:pointer}
.drawer-list{display:flex;flex-direction:column;gap:6px}
.drawer-list a{color:rgba(255,255,255,.78);font-size:17px;font-weight:700;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer-list a.active{color:var(--accent-2)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(90deg,rgba(16,17,20,.95) 0%,rgba(16,17,20,.84) 46%,rgba(16,17,20,.66) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:88px 0 96px;
}
.hero::after{content:"";position:absolute;right:-180px;bottom:-240px;width:660px;height:660px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.42) 0%,rgba(255,90,31,0) 66%);pointer-events:none}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy{max-width:680px}
.badge-signal{display:inline-flex;align-items:center;gap:8px;background:rgba(200,245,72,.14);border:1px solid rgba(200,245,72,.42);color:var(--signal);border-radius:999px;padding:6px 14px;font-size:13px;font-weight:700;letter-spacing:.01em}
.hero-title{margin-top:20px;font-size:clamp(2.1rem,4.4vw,3.4rem);font-weight:900;line-height:1.16;letter-spacing:-.02em}
.hero-title em{font-style:normal;color:var(--accent-2)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.8);max-width:600px}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-points{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px 26px}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.82)}
.hero-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(200,245,72,.16)}
.hero-card{background:#fff;color:var(--ink);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-lg)}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.hero-card-title{font-size:18px;font-weight:800}
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700}
.chip-signal{background:rgba(200,245,72,.35);color:#3E4A0A;border:1px solid rgba(130,160,20,.35)}
.chip-accent{background:rgba(255,90,31,.1);color:#B23A0C;border:1px solid rgba(255,90,31,.28)}
.chip-dark{background:rgba(16,17,20,.06);color:var(--muted);border:1px solid var(--line)}
.hero-card-list{margin-top:18px;display:flex;flex-direction:column;gap:12px}
.hero-card-list li{display:flex;align-items:flex-start;gap:11px;font-size:15px;line-height:1.7}
.hero-card-list li span.dot{flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:linear-gradient(120deg,#FF5A1F,#FFA23A);color:#fff;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:4px}
.hero-card-foot{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:12px}
.hero-card-note{font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- 通用标题 ---------- */
.eyebrow{display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.section-title{margin-top:12px;font-size:clamp(1.55rem,3vw,2.25rem);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.section-lead{margin-top:16px;font-size:16px;line-height:1.9;color:var(--muted);max-width:760px}
.section-head{margin-bottom:44px}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-dark .section-lead{color:rgba(255,255,255,.7)}

/* ---------- 数据条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-sm);transition:transform .24s var(--ease),border-color .24s var(--ease)}
.stat-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.stat-num{font-family:Inter,system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:30px;font-weight:900;letter-spacing:-.02em;color:var(--brand-900)}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--muted)}
.stat-label{margin-top:8px;font-size:15px;font-weight:700}
.stat-desc{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- 错落卡片流 ---------- */
.stagger{columns:2;column-gap:28px}
.stagger-item{break-inside:avoid;margin-bottom:28px}
.p-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease)}
.p-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-lg)}
.p-card-media{position:relative;overflow:hidden}
.p-card-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;transition:transform .34s var(--ease)}
.p-card:hover .p-card-media img{transform:scale(1.03)}
.p-card-media .chip{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);color:var(--brand-900);border:1px solid rgba(16,17,20,.08)}
.p-card-body{padding:24px}
.p-card-body h3{font-size:20px;font-weight:800;line-height:1.45}
.p-card-body p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}
.p-card-index{margin-top:16px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--accent)}

/* ---------- 场景交替 ---------- */
.scene-row{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.scene-row + .scene-row{margin-top:56px}
.scene-row.reverse .scene-media{order:2}
.scene-media img{border-radius:var(--radius-pic);width:100%;aspect-ratio:16/10;object-fit:cover;box-shadow:var(--shadow-sm)}
.scene-body h3{font-size:24px;font-weight:800;line-height:1.4}
.scene-body p{margin-top:14px;font-size:16px;color:var(--muted);line-height:1.9}
.scene-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative}
.flow-step{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);padding:26px 22px;transition:transform .24s var(--ease),border-color .24s var(--ease)}
.flow-step:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.7)}
.flow-dot{width:38px;height:38px;border-radius:50%;background:linear-gradient(120deg,#FF5A1F,#FFA23A);color:#fff;font-weight:900;font-size:16px;display:flex;align-items:center;justify-content:center;font-family:Inter,system-ui,sans-serif}
.flow-step h3{margin-top:16px;font-size:18px;font-weight:800;color:#fff}
.flow-step p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);line-height:1.85}
.flow-step .chip{margin-top:16px;background:rgba(200,245,72,.16);color:var(--signal);border:1px solid rgba(200,245,72,.36)}

/* ---------- 自检表 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow-sm)}
table.check-table{width:100%;border-collapse:collapse;min-width:660px;font-size:15px}
table.check-table thead th{background:var(--brand-900);color:#fff;text-align:left;font-weight:700;padding:16px 20px;font-size:14px;letter-spacing:.02em}
table.check-table tbody td{padding:16px 20px;border-top:1px solid var(--line);vertical-align:top;line-height:1.75}
table.check-table tbody tr:nth-child(even){background:#FBF9F7}
table.check-table tbody tr:hover{background:rgba(255,90,31,.05)}
table.check-table td:first-child{font-weight:700}
.cell-muted{color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:6px 20px;transition:border-color .24s var(--ease),box-shadow .24s var(--ease)}
.faq-item[open]{border-color:rgba(255,90,31,.5);box-shadow:0 18px 40px -26px rgba(255,90,31,.55)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:16px 30px 16px 16px;font-size:16px;font-weight:700;line-height:1.7;transition:color .2s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:linear-gradient(180deg,#FF5A1F,#FFA23A);transform:scaleY(0);transform-origin:top;transition:transform .24s var(--ease)}
.faq-item summary::after{content:"+";position:absolute;right:4px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:400;color:var(--accent);transition:transform .24s var(--ease)}
.faq-item[open] summary::before{transform:scaleY(1)}
.faq-item[open] summary::after{content:"–";transform:translateY(-50%) rotate(180deg)}
.faq-item summary:hover{color:var(--accent)}
.faq-answer{padding:0 16px 20px 16px;font-size:15px;line-height:1.9;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;padding:52px 48px;color:#fff;
  background-color:var(--brand-900);
  background-image:linear-gradient(115deg,rgba(16,17,20,.94) 0%,rgba(16,17,20,.78) 60%,rgba(16,17,20,.62) 100%),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band::after{content:"";position:absolute;left:-140px;top:-160px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.4) 0%,rgba(255,90,31,0) 68%);pointer-events:none}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2rem);font-weight:900;line-height:1.35;letter-spacing:-.01em}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.76);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--brand-900);color:#fff;border-top:1px solid rgba(255,255,255,.1);padding:64px 0 0;position:relative}
.footer::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,rgba(255,90,31,0),rgba(255,90,31,.7),rgba(255,90,31,0))}
.footer-cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:340px}
.footer h4{font-size:15px;font-weight:800;margin-bottom:16px;color:#fff}
.footer ul{display:flex;flex-direction:column;gap:11px}
.footer ul a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.footer ul a:hover{color:var(--accent-2);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 进入动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.p-card,.stat-card,.flow-step,.p-card-media img{transition:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero{padding:64px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:none}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:42px 32px}
}
@media (max-width:900px){
  .quick-search{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .stagger{columns:1}
  .scene-row{grid-template-columns:1fr;gap:22px}
  .scene-row.reverse .scene-media{order:0}
  .hero-title{font-size:clamp(1.85rem,7vw,2.4rem)}
  .section-head{margin-bottom:32px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .stat-strip{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .footer-cols{grid-template-columns:1fr;gap:28px}
  .p-card-body{padding:20px}
  .hero-card{padding:22px}
  .cta-band{padding:34px 22px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .brandbar{height:64px}
  .brandbar-inner{height:64px}
  .logo-main{font-size:17px}
  .logo-sub{font-size:11px}
  .btn{padding:11px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --brand-900:#101114;
  --brand-800:#1A1B1F;
  --brand-700:#23252B;
  --brand-500:#FF5A1F;
  --brand-400:#FF7A3C;
  --accent:#FFA23A;
  --signal:#C8F548;
  --bg:#F7F5F2;
  --card:#FFFFFF;
  --ink:#1A1B1F;
  --muted:#6B6E76;
  --line:#E7E3DD;
  --danger:#E23D3D;
  --r-card:18px;
  --r-btn:12px;
  --r-img:16px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(16,17,20,.06), 0 8px 24px -16px rgba(16,17,20,.18);
  --sh-hover:0 20px 45px -20px rgba(16,17,20,.35);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
::selection{background:rgba(255,90,31,.22);}
:focus{outline:none;}
:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  box-shadow:0 0 0 3px rgba(255,90,31,.25);
  border-radius:6px;
}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;}

/* ---------- 顶部骨架 ---------- */
.site-header{position:sticky;top:0;z-index:60;box-shadow:0 10px 30px -24px rgba(16,17,20,.6);}
.brandbar{background:var(--brand-900);color:#fff;border-bottom:1px solid rgba(255,255,255,.07);}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;padding:10px 0;}
.logo{display:flex;flex-direction:column;gap:2px;line-height:1.2;}
.logo-main{font-size:20px;font-weight:900;letter-spacing:-.02em;color:#fff;}
.logo-sub{font-size:12px;color:rgba(255,255,255,.58);letter-spacing:.02em;}
.brand-actions{display:flex;align-items:center;gap:14px;}
.quick-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-pill);
  padding:8px 14px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.quick-search:hover{border-color:rgba(255,90,31,.6);background:rgba(255,255,255,.1);}
.quick-search input{
  background:transparent;border:0;width:180px;font-size:14px;color:#fff;padding:0;
}
.quick-search input::placeholder{color:rgba(255,255,255,.5);}
.quick-search input:focus-visible{outline:none;box-shadow:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand-500),var(--accent));
  color:#fff;
  box-shadow:0 10px 24px -14px rgba(255,90,31,.85);
  position:relative;overflow:hidden;
}
.btn-primary::after{
  content:"";position:absolute;top:0;left:-60%;width:40%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-18deg);
  transition:left .5s var(--ease);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-primary:hover::after{left:120%;}
.btn-primary:active{transform:translateY(-1px);filter:brightness(.96);}
.btn-ghost{
  background:transparent;color:var(--brand-900);border-color:var(--brand-900);
}
.btn-ghost:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-on-dark{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.45);
}
.btn-on-dark:hover{background:#fff;color:var(--brand-900);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  color:#fff;border-radius:10px;
  padding:9px 14px;font-size:14px;font-weight:600;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,90,31,.85);border-color:transparent;}

.mobile-drawer{display:none;background:var(--brand-800);border-top:1px solid rgba(255,255,255,.08);}
.mobile-drawer.open{display:block;}
.mobile-drawer .container{padding-top:14px;padding-bottom:18px;}
.mobile-drawer a{
  display:block;padding:11px 0;color:rgba(255,255,255,.82);font-size:15px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--accent);}
.mobile-drawer .btn-primary{width:100%;margin-top:16px;}

/* ---------- 频道行 ---------- */
.channelbar{background:#FFFFFF;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.channelbar-inner{display:flex;align-items:center;gap:6px;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  padding:12px 16px;
  font-size:15px;font-weight:600;color:var(--muted);
  border-radius:10px 10px 0 0;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;
  background:linear-gradient(90deg,var(--brand-500),var(--accent));
  border-radius:3px 3px 0 0;
  transform:scaleX(0);transform-origin:left;
  transition:transform .25s var(--ease);
}
.channel-link:hover{color:var(--brand-900);background:rgba(255,90,31,.07);}
.channel-link:hover::after{transform:scaleX(1);}
.channel-link.active{color:var(--brand-900);}
.channel-link.active::after{transform:scaleX(1);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-color:var(--brand-900);
  background-image:
    linear-gradient(100deg,rgba(16,17,20,.94) 0%,rgba(16,17,20,.82) 45%,rgba(16,17,20,.5) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(255,90,31,.55) 0%,rgba(255,90,31,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:80px 0 88px;max-width:820px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(200,245,72,.14);
  border:1px solid rgba(200,245,72,.5);
  color:var(--signal);
  font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:var(--r-pill);
  letter-spacing:.02em;
}
.hero h1{
  font-size:clamp(2rem,4.4vw,3.4rem);
  font-weight:900;line-height:1.15;letter-spacing:-.02em;
  margin:20px 0 18px;
}
.hero p.lead{
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.78);max-width:640px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:34px;font-size:13px;color:rgba(255,255,255,.7);}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.08em;
  color:var(--brand-500);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(1.6rem,2.6vw,2.25rem);font-weight:800;line-height:1.3;letter-spacing:-.01em;}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px;line-height:1.85;}
.tag{
  display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(16,17,20,.06);color:var(--brand-800);
}
.tag-orange{background:rgba(255,90,31,.12);color:#D3440E;}
.tag-signal{background:rgba(200,245,72,.42);color:#4A5A05;}

/* ---------- 筛选条 + 长列表 ---------- */
.guide-layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:36px;align-items:start;}
.filter-rail{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:24px;position:sticky;top:148px;
}
.filter-rail h3{font-size:15px;font-weight:800;letter-spacing:.02em;margin-bottom:6px;}
.filter-rail .rail-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.filter-item{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--muted);
  border:1px solid transparent;margin-bottom:6px;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.filter-item:hover{background:rgba(255,90,31,.07);color:var(--brand-900);}
.filter-item.is-active{
  background:linear-gradient(135deg,rgba(255,90,31,.12),rgba(255,162,58,.1));
  border-color:rgba(255,90,31,.4);color:var(--brand-900);
}
.filter-item .count{font-size:12px;font-weight:700;color:var(--muted);}
.filter-item.is-active .count{color:var(--brand-500);}
.rail-foot{
  margin-top:18px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.8;
}

.guide-list{display:flex;flex-direction:column;gap:16px;}
.guide-row{
  display:grid;grid-template-columns:148px minmax(0,1fr) 76px;
  gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-card);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.guide-row:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.55);box-shadow:var(--sh-hover);}
.guide-thumb{
  aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;background:var(--bg);
}
.guide-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.guide-row:hover .guide-thumb img{transform:scale(1.04);}
.guide-body h3{font-size:20px;font-weight:700;line-height:1.45;margin:10px 0 8px;}
.guide-body p{font-size:15px;color:var(--muted);line-height:1.8;}
.guide-body .row-link{
  display:inline-block;margin-top:10px;font-size:14px;font-weight:700;color:var(--brand-500);
  background-image:linear-gradient(var(--brand-500),var(--brand-500));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .25s var(--ease);
}
.guide-row:hover .guide-body .row-link{background-size:100% 2px;}
.guide-index{
  font-family:Inter,var(--font);font-size:34px;font-weight:900;letter-spacing:-.03em;
  color:#EDE9E3;text-align:right;line-height:1;transition:color .24s var(--ease);
}
.guide-row:hover .guide-index{color:var(--brand-500);}

/* ---------- 适用场景 ---------- */
.scene-wrap{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:center;
}
.scene-media{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  aspect-ratio:4/3;background:var(--brand-900);
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-list{display:flex;flex-direction:column;gap:14px;margin-top:28px;}
.scene-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-img);padding:18px 20px;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.scene-item:hover{transform:translateX(4px);border-color:rgba(255,90,31,.5);}
.scene-item .dot{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--accent));
  color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center;
}
.scene-item h3{font-size:16px;font-weight:700;margin-bottom:4px;}
.scene-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ---------- 步骤 ---------- */
.steps-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden;}
.steps-band::before{
  content:"";position:absolute;left:-120px;top:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,90,31,.4) 0%,rgba(255,90,31,0) 70%);
}
.steps-band .section-head{position:relative;z-index:2;}
.steps-band .section-desc{color:rgba(255,255,255,.7);}
.steps-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);padding:24px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.6);background:rgba(255,255,255,.08);}
.step-num{
  font-family:Inter,var(--font);font-size:14px;font-weight:800;color:#101114;
  background:var(--signal);width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}

/* ---------- 数字条 ---------- */
.stats-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:44px 0;}
.stat{position:relative;padding-left:20px;}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--brand-500),var(--accent));}
.stat b{display:block;font-family:Inter,var(--font);font-size:32px;font-weight:900;letter-spacing:-.02em;line-height:1.1;}
.stat span{display:block;font-size:14px;color:var(--muted);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-img);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item[open]{border-color:rgba(255,90,31,.5);box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px 20px 26px;
  font-size:16px;font-weight:600;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--brand-500);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;transition:transform .25s var(--ease);
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item summary:hover{color:var(--brand-500);}
.faq-item summary .chev{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.faq-item summary .chev::before,
.faq-item summary .chev::after{
  content:"";position:absolute;background:var(--muted);border-radius:2px;
  transition:background .25s var(--ease),opacity .25s var(--ease);
}
.faq-item summary .chev::before{left:6px;right:6px;top:10px;height:1.6px;}
.faq-item summary .chev::after{top:6px;bottom:6px;left:10px;width:1.6px;}
.faq-item[open] summary .chev{border-color:var(--brand-500);transform:rotate(180deg);}
.faq-item[open] summary .chev::before{background:var(--brand-500);}
.faq-item[open] summary .chev::after{opacity:0;}
.faq-item .faq-body{padding:0 26px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;border-radius:24px;padding:56px;
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,90,31,.5) 0%,rgba(255,90,31,0) 70%);
}
.cta-band h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;line-height:1.3;position:relative;z-index:2;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.footer{
  background:var(--brand-900);color:rgba(255,255,255,.72);
  border-top:1px solid rgba(255,255,255,.1);
  position:relative;padding:64px 0 0;
}
.footer::before{
  content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:min(680px,80%);height:220px;
  background:radial-gradient(ellipse at top,rgba(255,90,31,.22) 0%,rgba(255,90,31,0) 72%);
  pointer-events:none;
}
.footer-cols{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer ul li{margin-bottom:10px;}
.footer ul li a{font-size:14px;color:rgba(255,255,255,.72);
  background-image:linear-gradient(var(--brand-500),var(--brand-500));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:color .22s var(--ease),background-size .22s var(--ease);
}
.footer ul li a:hover{color:#fff;background-size:100% 2px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-top:14px;max-width:340px;}
.footer .logo-main{font-size:19px;}
.footer-bottom{
  position:relative;z-index:2;
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;}
  .container{padding:0 24px;}
  .quick-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-actions .btn-primary{display:none;}
  .guide-layout{grid-template-columns:1fr;gap:24px;}
  .filter-rail{position:static;padding:18px;}
  .filter-rail .filter-list{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 -4px;}
  .filter-rail .filter-list::-webkit-scrollbar{display:none;}
  .filter-item{flex:0 0 auto;margin-bottom:0;border:1px solid var(--line);}
  .rail-foot{display:none;}
  .scene-wrap{grid-template-columns:1fr;gap:28px;}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:36px 0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-cols{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .hero-inner{padding:56px 0 64px;}
  .hero-cta .btn{flex:1 1 auto;}
  .guide-row{grid-template-columns:112px minmax(0,1fr);gap:16px;padding:16px;}
  .guide-index{grid-column:2;text-align:left;font-size:22px;color:#E3DED7;}
  .guide-body h3{font-size:18px;}
  .section-head{margin-bottom:32px;}
  .faq-item summary{padding:16px 18px 16px 20px;font-size:15px;}
  .faq-item .faq-body{padding:0 20px 18px;}
}
@media (max-width:520px){
  :root{--sec:56px;}
  .container{padding:0 16px;}
  .logo-main{font-size:17px;}
  .logo-sub{font-size:11px;}
  .brand-actions{gap:8px;}
  .guide-row{grid-template-columns:1fr;}
  .guide-thumb{aspect-ratio:16/9;}
  .guide-index{grid-column:1;text-align:left;}
  .steps-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;gap:18px;}
  .cta-band{padding:32px 20px;border-radius:18px;}
  .footer-cols{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
    --brand-900:#101114;
    --brand-700:#2A2C31;
    --brand-500:#FF5A1F;
    --accent:#FFA23A;
    --signal:#C8F548;
    --bg:#F7F5F2;
    --card:#FFFFFF;
    --ink:#1A1B1F;
    --muted:#6B6E76;
    --line:#E7E3DD;
    --danger:#E23D3D;
    --r-card:18px;
    --r-btn:12px;
    --r-img:16px;
    --shadow-card:0 1px 2px rgba(16,17,20,.06), 0 8px 24px -16px rgba(16,17,20,.18);
    --shadow-float:0 20px 45px -20px rgba(16,17,20,.35);
    --ease:cubic-bezier(.2,.7,.3,1);
  }
  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{ display:block; max-width:100%; height:auto; }
  a{ color:inherit; text-decoration:none; }
  button,input,select,textarea{ font:inherit; color:inherit; }
  h1,h2,h3,h4{ margin:0; font-weight:800; line-height:1.3; color:var(--ink); }
  p{ margin:0; }
  ul{ margin:0; padding:0; list-style:none; }
  .num{ font-variant-numeric:tabular-nums; font-feature-settings:"tnum"; }
  .container{ width:100%; max-width:1280px; margin:0 auto; padding:0 32px; }

  /* ===== header 品牌行 ===== */
  .site-head{ position:sticky; top:0; z-index:60; }
  .brandbar{ background:var(--brand-900); color:#fff; }
  .brandbar-inner{ height:72px; display:flex; align-items:center; gap:24px; }
  .logo{ display:flex; flex-direction:column; line-height:1.15; }
  .logo-main{ font-size:20px; font-weight:900; letter-spacing:-.02em; color:#fff; }
  .logo-sub{ font-size:12px; color:rgba(255,255,255,.55); margin-top:4px; letter-spacing:.04em; }
  .brand-actions{ margin-left:auto; display:flex; align-items:center; gap:14px; }
  .quick-search{ display:flex; align-items:center; gap:8px; height:40px; padding:0 14px; border-radius:999px; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.14); transition:background .2s var(--ease), border-color .2s var(--ease); }
  .quick-search:focus-within{ border-color:var(--brand-500); background:rgba(255,255,255,.12); box-shadow:0 0 0 3px rgba(255,90,31,.25); }
  .quick-search input{ width:190px; background:transparent; border:0; outline:none; color:#fff; font-size:14px; }
  .quick-search input::placeholder{ color:rgba(255,255,255,.45); }
  .btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; height:44px; padding:0 22px; border-radius:var(--r-btn); font-size:15px; font-weight:700; border:1.5px solid transparent; cursor:pointer; transition:transform .22s var(--ease), box-shadow .22s var(--ease), background .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease); }
  .btn-primary{ background:linear-gradient(135deg,var(--brand-500),var(--accent)); color:#fff; box-shadow:0 12px 28px -16px rgba(255,90,31,.95); position:relative; overflow:hidden; }
  .btn-primary::after{ content:""; position:absolute; inset:0; background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.35) 50%,transparent 70%); transform:translateX(-120%); transition:transform .5s var(--ease); }
  .btn-primary:hover{ transform:translateY(-2px); filter:brightness(1.06); }
  .btn-primary:hover::after{ transform:translateX(120%); }
  .btn-primary:active{ transform:translateY(1px); filter:brightness(.95); }
  .btn-ghost{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
  .btn-ghost:hover{ background:#fff; color:var(--brand-900); border-color:#fff; }
  .btn-outline{ background:transparent; color:var(--ink); border-color:var(--ink); }
  .btn-outline:hover{ background:var(--ink); color:#fff; }
  .nav-toggle{ display:none; height:40px; padding:0 16px; border-radius:var(--r-btn); background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2); color:#fff; font-size:14px; font-weight:600; }
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{ outline:2px solid var(--brand-500); outline-offset:2px; box-shadow:0 0 0 3px rgba(255,90,31,.28); border-radius:10px; }

  /* ===== header 频道行 ===== */
  .channelbar{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .channel-inner{ height:52px; display:flex; align-items:center; gap:6px; overflow-x:auto; scrollbar-width:none; }
  .channel-inner::-webkit-scrollbar{ display:none; }
  .channel-link{ position:relative; display:inline-flex; align-items:center; height:52px; padding:0 16px; font-size:15px; font-weight:600; color:var(--muted); white-space:nowrap; transition:color .2s var(--ease), background .2s var(--ease); }
  .channel-link:hover{ color:var(--ink); background:rgba(255,90,31,.07); }
  .channel-link::after{ content:""; position:absolute; left:16px; right:16px; bottom:0; height:3px; border-radius:3px 3px 0 0; background:transparent; transition:background .2s var(--ease); }
  .channel-link.is-active{ color:var(--ink); }
  .channel-link.is-active::after{ background:var(--brand-500); }

  /* ===== 移动端抽屉 ===== */
  .drawer{ display:none; background:var(--brand-900); border-top:1px solid rgba(255,255,255,.1); }
  .drawer.open{ display:block; }
  .drawer .container{ padding-top:14px; padding-bottom:18px; display:flex; flex-direction:column; gap:6px; }
  .drawer a{ color:rgba(255,255,255,.82); font-size:15px; font-weight:600; padding:12px 14px; border-radius:12px; background:rgba(255,255,255,.05); }
  .drawer a.is-active{ color:#fff; background:rgba(255,90,31,.22); }

  /* ===== Hero ===== */
  .hero{ position:relative; background:var(--brand-900); color:#fff; overflow:hidden; }
  .hero-bg{ position:absolute; inset:0; background-image:url('/assets/images/backpic/back-2.png'); background-size:cover; background-position:center; }
  .hero-bg::after{ content:""; position:absolute; inset:0; background:linear-gradient(90deg,rgba(16,17,20,.94) 0%,rgba(16,17,20,.78) 45%,rgba(16,17,20,.55) 100%); }
  .hero-glow{ position:absolute; right:-140px; bottom:-180px; width:560px; height:560px; border-radius:50%; background:radial-gradient(circle,rgba(255,90,31,.42),rgba(255,90,31,0) 68%); pointer-events:none; }
  .hero-inner{ position:relative; padding:88px 0 96px; }
  .crumbs{ font-size:13px; color:rgba(255,255,255,.62); margin-bottom:26px; display:flex; gap:10px; flex-wrap:wrap; }
  .crumbs a:hover{ color:#fff; text-decoration:underline; text-underline-offset:3px; }
  .tag-signal{ display:inline-flex; align-items:center; gap:8px; height:30px; padding:0 14px; border-radius:999px; background:rgba(200,245,72,.16); color:var(--signal); border:1px solid rgba(200,245,72,.4); font-size:13px; font-weight:700; }
  .hero h1{ font-size:clamp(2.1rem,4.4vw,3.4rem); font-weight:900; letter-spacing:-.02em; line-height:1.15; margin:22px 0 18px; color:#fff; }
  .hero h1 em{ font-style:normal; color:var(--accent); }
  .hero-sub{ font-size:17px; line-height:1.9; color:rgba(255,255,255,.76); max-width:720px; }
  .hero-cta{ display:flex; flex-wrap:wrap; gap:14px; margin-top:30px; }
  .hero-points{ display:flex; flex-wrap:wrap; gap:12px 26px; margin-top:34px; padding-top:26px; border-top:1px solid rgba(255,255,255,.14); }
  .hero-points li{ display:flex; align-items:center; gap:9px; font-size:14px; color:rgba(255,255,255,.78); }
  .dot{ width:8px; height:8px; border-radius:50%; background:var(--signal); flex:none; }

  /* ===== 通用板块 ===== */
  .section{ padding:96px 0; }
  .section-alt{ background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
  .sec-head{ max-width:760px; margin-bottom:48px; }
  .sec-eyebrow{ display:inline-block; font-size:13px; font-weight:700; letter-spacing:.16em; color:var(--brand-500); text-transform:uppercase; margin-bottom:14px; }
  .sec-head h2{ font-size:36px; font-weight:800; letter-spacing:-.01em; }
  .sec-head p{ margin-top:16px; font-size:16px; color:var(--muted); line-height:1.9; }

  /* ===== 时间轴 ===== */
  .timeline{ position:relative; }
  .tl-item{ display:grid; grid-template-columns:76px minmax(0,1fr); gap:22px; }
  .tl-rail{ display:flex; flex-direction:column; align-items:center; }
  .tl-dot{ width:48px; height:48px; border-radius:999px; display:grid; place-items:center; font-weight:900; font-size:17px; color:#fff; background:linear-gradient(135deg,var(--brand-500),var(--accent)); box-shadow:0 12px 26px -14px rgba(255,90,31,.95); flex:none; }
  .tl-line{ flex:1; width:2px; margin:8px 0 0; background:linear-gradient(180deg,rgba(255,90,31,.55),rgba(231,227,221,.9)); border-radius:2px; }
  .tl-item:last-child .tl-line{ display:none; }
  .tl-body{ padding-bottom:34px; }
  .tl-card{ background:#fff; border:1px solid var(--line); border-radius:var(--r-card); padding:24px; box-shadow:var(--shadow-card); transition:transform .24s var(--ease), border-color .24s var(--ease), box-shadow .24s var(--ease); }
  .tl-card:hover{ transform:translateY(-4px); border-color:var(--brand-500); box-shadow:var(--shadow-float); }
  .tl-card h3{ font-size:22px; font-weight:700; }
  .tl-card .tl-stage{ font-size:13px; font-weight:700; color:var(--brand-500); letter-spacing:.06em; margin-bottom:8px; display:block; }
  .tl-card p{ margin-top:12px; font-size:16px; color:var(--muted); line-height:1.9; }
  .check-list{ margin-top:18px; display:grid; gap:10px; }
  .check-list li{ display:flex; gap:10px; font-size:15px; line-height:1.8; color:var(--ink); }
  .check-list li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--brand-500); margin-top:11px; flex:none; }

  /* ===== 错误对照表 ===== */
  .table-wrap{ overflow-x:auto; border:1px solid var(--line); border-radius:var(--r-card); background:#fff; box-shadow:var(--shadow-card); }
  table.err-table{ width:100%; border-collapse:collapse; min-width:720px; }
  .err-table th{ background:#F2EFEA; color:var(--ink); font-size:14px; font-weight:800; text-align:left; padding:16px 20px; border-bottom:1px solid var(--line); }
  .err-table td{ padding:18px 20px; font-size:15px; color:var(--ink); border-bottom:1px solid var(--line); vertical-align:top; line-height:1.8; }
  .err-table tbody tr:nth-child(even){ background:#FBFAF8; }
  .err-table tbody tr:hover{ background:rgba(255,90,31,.06); }
  .err-table td:first-child{ font-weight:700; color:var(--brand-900); }
  .err-table td .hint{ display:block; margin-top:6px; font-size:13px; color:var(--muted); }
  .err-cards{ display:none; gap:14px; }
  .err-card{ background:#fff; border:1px solid var(--line); border-radius:var(--r-card); padding:20px; box-shadow:var(--shadow-card); }
  .err-card dt{ font-size:15px; font-weight:800; color:var(--brand-900); }
  .err-card dd{ margin:10px 0 0; font-size:15px; color:var(--muted); line-height:1.8; }

  /* ===== 信号数据区 ===== */
  .signal-band{ background:var(--brand-900); color:#fff; position:relative; overflow:hidden; }
  .signal-band::before{ content:""; position:absolute; left:-120px; top:-160px; width:520px; height:520px; border-radius:50%; background:radial-gradient(circle,rgba(255,90,31,.35),rgba(255,90,31,0) 70%); }
  .signal-band .inner{ position:relative; }
  .signal-grid{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; margin-top:44px; }
  .signal-item{ background:rgba(255,255,255,.05); border:1px solid rgba(255,255,255,.12); border-radius:var(--r-card); padding:26px; transition:border-color .24s var(--ease), transform .24s var(--ease); }
  .signal-item:hover{ border-color:rgba(255,90,31,.75); transform:translateY(-4px); }
  .signal-item .figure{ font-size:40px; font-weight:900; letter-spacing:-.02em; color:var(--accent); line-height:1.1; }
  .signal-item h3{ color:#fff; font-size:18px; font-weight:700; margin-top:14px; }
  .signal-item p{ margin-top:10px; font-size:15px; color:rgba(255,255,255,.7); line-height:1.85; }
  .signal-band .sec-head h2{ color:#fff; }
  .signal-band .sec-head p{ color:rgba(255,255,255,.7); }
  .signal-band .sec-eyebrow{ color:var(--signal); }

  /* ===== 安全习惯卡片（双列错落） ===== */
  .habit-grid{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; align-items:start; }
  .habit-card{ background:#fff; border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden; box-shadow:var(--shadow-card); transition:transform .26s var(--ease), border-color .26s var(--ease), box-shadow .26s var(--ease); }
  .habit-card:hover{ transform:translateY(-4px); border-color:var(--brand-500); box-shadow:var(--shadow-float); }
  .habit-media{ position:relative; aspect-ratio:16/10; overflow:hidden; }
  .habit-media img{ width:100%; height:100%; object-fit:cover; transition:transform .3s var(--ease); }
  .habit-card:hover .habit-media img{ transform:scale(1.03); }
  .habit-body{ padding:24px; }
  .habit-body h3{ font-size:20px; font-weight:700; }
  .habit-body p{ margin-top:10px; font-size:15px; color:var(--muted); line-height:1.85; }
  .habit-card.offset{ margin-top:36px; }
  .badge{ display:inline-flex; align-items:center; height:26px; padding:0 12px; border-radius:999px; font-size:13px; font-weight:700; }
  .badge-orange{ background:rgba(255,90,31,.12); color:#C43C0A; }
  .badge-signal{ background:rgba(200,245,72,.22); color:#3E5410; }

  /* ===== FAQ ===== */
  .faq{ display:grid; gap:12px; max-width:900px; }
  details.faq-item{ background:#fff; border:1px solid var(--line); border-radius:14px; overflow:hidden; transition:border-color .22s var(--ease), box-shadow .22s var(--ease); }
  details.faq-item:hover{ border-color:#D6CFC6; }
  details.faq-item[open]{ border-color:var(--brand-500); box-shadow:var(--shadow-card); }
  details.faq-item summary{ position:relative; list-style:none; cursor:pointer; padding:18px 56px 18px 24px; font-size:16px; font-weight:600; color:var(--ink); }
  details.faq-item summary::-webkit-details-marker{ display:none; }
  details.faq-item summary::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:3px; background:var(--brand-500); transform:scaleY(0); transform-origin:top; transition:transform .28s var(--ease); }
  details.faq-item[open] summary::before{ transform:scaleY(1); }
  details.faq-item summary::after{ content:"+"; position:absolute; right:22px; top:50%; transform:translateY(-50%); font-size:20px; font-weight:400; color:var(--brand-500); transition:transform .25s var(--ease); }
  details.faq-item[open] summary::after{ transform:translateY(-50%) rotate(45deg); }
  details.faq-item .faq-body{ padding:0 24px 22px; font-size:15px; line-height:1.85; color:var(--muted); }

  /* ===== CTA 表单 ===== */
  .cta-wrap{ display:grid; grid-template-columns:5fr 7fr; gap:40px; align-items:start; }
  .cta-copy h2{ font-size:34px; font-weight:800; }
  .cta-copy p{ margin-top:16px; font-size:16px; color:var(--muted); line-height:1.9; }
  .cta-list{ margin-top:24px; display:grid; gap:12px; }
  .cta-list li{ display:flex; gap:10px; font-size:15px; color:var(--ink); }
  .cta-list li::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--signal); box-shadow:0 0 0 3px rgba(200,245,72,.35); margin-top:11px; flex:none; }
  .form-card{ background:#fff; border:1px solid var(--line); border-radius:var(--r-card); padding:32px; box-shadow:var(--shadow-float); }
  .field{ margin-bottom:18px; }
  .field label{ display:block; font-size:14px; font-weight:700; margin-bottom:8px; color:var(--ink); }
  .field input,.field select,.field textarea{ width:100%; background:#FAF8F5; border:1px solid var(--line); border-radius:10px; padding:12px 14px; font-size:15px; outline:none; transition:border-color .2s var(--ease), box-shadow .2s var(--ease), background .2s var(--ease); }
  .field input:focus,.field select:focus,.field textarea:focus{ border-color:var(--brand-500); background:#fff; box-shadow:0 0 0 3px rgba(255,90,31,.18); }
  .field textarea{ min-height:104px; resize:vertical; }
  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
  .agree{ display:flex; gap:10px; align-items:flex-start; font-size:14px; color:var(--muted); line-height:1.7; }
  .agree input{ width:18px; height:18px; margin-top:4px; accent-color:var(--brand-500); }
  .form-note{ margin-top:14px; font-size:13px; color:var(--muted); }

  /* ===== 页脚 ===== */
  .footer{ background:var(--brand-900); color:#fff; border-top:1px solid rgba(255,255,255,.12); position:relative; overflow:hidden; }
  .footer::before{ content:""; position:absolute; left:0; right:0; top:0; height:2px; background:linear-gradient(90deg,rgba(255,90,31,0),rgba(255,90,31,.7),rgba(255,90,31,0)); }
  .footer-cols{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px; padding:64px 0 44px; }
  .footer-brand p{ margin-top:16px; font-size:14px; color:rgba(255,255,255,.62); line-height:1.9; max-width:320px; }
  .footer h4{ font-size:15px; font-weight:800; color:#fff; margin-bottom:18px; }
  .footer ul{ display:grid; gap:11px; }
  .footer ul a{ font-size:14px; color:rgba(255,255,255,.7); transition:color .2s var(--ease); }
  .footer ul a:hover{ color:var(--accent); }
  .footer-bottom{ display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; padding:20px 0 28px; border-top:1px solid rgba(255,255,255,.12); font-size:13px; color:rgba(255,255,255,.55); }

  /* ===== 动效 ===== */
  .rise{ opacity:0; transform:translateY(12px); animation:rise .6s var(--ease) forwards; }
  .d1{ animation-delay:.06s } .d2{ animation-delay:.12s } .d3{ animation-delay:.18s } .d4{ animation-delay:.24s }
  @keyframes rise{ to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion:reduce){
    *{ animation:none !important; transition:none !important; }
    .rise{ opacity:1; transform:none; }
  }

  /* ===== 响应式 ===== */
  @media (max-width:1024px){
    .container{ padding:0 24px; }
    .section{ padding:72px 0; }
    .footer-cols{ grid-template-columns:1fr 1fr; gap:32px; }
    .cta-wrap{ grid-template-columns:1fr; gap:28px; }
    .signal-grid{ grid-template-columns:1fr 1fr; }
    .sec-head h2{ font-size:30px; }
  }
  @media (max-width:768px){
    .quick-search{ display:none; }
    .nav-toggle{ display:inline-flex; align-items:center; }
    .brand-actions .btn-primary{ display:none; }
    .hero-inner{ padding:64px 0 72px; }
    .habit-grid{ grid-template-columns:1fr; }
    .habit-card.offset{ margin-top:0; }
    .signal-grid{ grid-template-columns:1fr; }
    .table-wrap{ display:none; }
    .err-cards{ display:grid; }
    .field-row{ grid-template-columns:1fr; }
    .footer-cols{ grid-template-columns:1fr; padding:48px 0 32px; }
  }
  @media (max-width:520px){
    .container{ padding:0 16px; }
    .section{ padding:56px 0; }
    .sec-head{ margin-bottom:32px; }
    .sec-head h2{ font-size:26px; }
    .hero h1{ font-size:2rem; }
    .logo-main{ font-size:18px; }
    .logo-sub{ font-size:11px; }
    .tl-item{ grid-template-columns:52px minmax(0,1fr); gap:14px; }
    .tl-dot{ width:38px; height:38px; font-size:15px; }
    .tl-card{ padding:20px; }
    .form-card{ padding:22px; }
    .channel-link{ padding:0 12px; font-size:14px; }
  }