/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E03E0C;
  --lime:#C9F24D;
  --ink:#14171C;
  --ink-2:#2A3038;
  --bg:#FAF7F3;
  --bg-soft:#F2EDE6;
  --card:#FFFFFF;
  --line:#E7E0D8;
  --muted:#6E6A64;
  --grad:linear-gradient(115deg,#FF7A18 0%,#FF3D5E 100%);
  --r-12:12px; --r-16:16px; --r-20:20px; --r-28:28px; --r-pill:999px;
  --sh-card:0 1px 2px rgba(20,23,28,.04), 0 12px 32px rgba(20,23,28,.06);
  --sh-hover:0 2px 4px rgba(20,23,28,.06), 0 22px 48px rgba(20,23,28,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Inter",ui-sans-serif,system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;border-radius:6px}

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

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#fff;border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:70;
  transition:transform .22s var(--ease);
}
.side-brand{
  padding:26px 24px 20px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.side-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
}
.side-brandtxt strong{display:block;font-size:16px;font-weight:800;letter-spacing:.2px;line-height:1.3}
.side-brandtxt span{display:block;font-size:12px;color:var(--muted);letter-spacing:1.4px;text-transform:uppercase}
.side-nav{padding:20px 14px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;flex:1 1 auto}
.side-group-label{font-size:12px;letter-spacing:1.6px;color:#A8A29B;padding:8px 12px 4px}
.side-link{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  position:relative;transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.side-link i{width:20px;text-align:center;font-size:15px;color:#8D8780;transition:color .18s var(--ease)}
.side-link:hover{background:#F7F3EE;color:var(--ink);transform:translateX(2px)}
.side-link:hover i{color:var(--brand)}
.side-link.active{background:#FFF1E9;color:var(--brand-dark)}
.side-link.active i{color:var(--brand)}
.side-link.active::before{
  content:"";position:absolute;left:-14px;top:10px;bottom:10px;width:3px;
  background:var(--grad);border-radius:0 3px 3px 0;
}
.side-foot{padding:16px 18px 22px;border-top:1px solid var(--line)}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;padding:13px 16px;border-radius:var(--r-12);
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 8px 20px rgba(255,61,94,.24);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
}
.side-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,61,94,.3)}
.side-cta:active{transform:translateY(0)}
.side-contact{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.8}
.side-contact b{color:var(--ink-2);font-weight:700}

/* ---------- 内容外壳 ---------- */
.shell{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:80;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .side-brandtxt strong{font-size:15px}
.burger{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink-2);background:#fff}
.burger:hover{border-color:var(--brand);color:var(--brand)}
.scrim{
  position:fixed;inset:0;background:rgba(12,15,20,.55);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.scrim.show{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(20,23,28,.94) 0%,rgba(20,23,28,.76) 46%,rgba(20,23,28,.38) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--r-28) var(--r-28);
}
.hero-inner{padding:86px 0 78px;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(201,242,77,.16);border:1px solid rgba(201,242,77,.45);
  color:var(--lime);font-size:13px;font-weight:700;letter-spacing:.6px;
}
.hero h1{
  margin-top:22px;font-size:52px;line-height:1.15;font-weight:800;letter-spacing:0;
  max-width:15em;
}
.hero h1 .hl{
  position:relative;display:inline-block;white-space:nowrap;
}
.hero h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:8px;
  background:var(--grad);opacity:.85;border-radius:4px;z-index:-1;
}
.hero-sub{margin-top:20px;font-size:19px;line-height:1.8;color:rgba(255,255,255,.86);max-width:30em}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:var(--r-12);font-weight:700;font-size:16px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,61,94,.28)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(255,61,94,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-3px)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-3px)}
.trust-row{margin-top:40px;display:flex;flex-wrap:wrap;gap:12px}
.trust-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:14px;color:rgba(255,255,255,.92);
}
.trust-pill i{color:var(--lime);font-size:12px}
.hero-shot{
  position:relative;border-radius:var(--r-28);overflow:hidden;
  box-shadow:0 30px 60px rgba(0,0,0,.38);
  border:1px solid rgba(255,255,255,.18);
  background:#1B1F26;
}
.hero-shot img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-shot figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 20px;font-size:13px;color:rgba(255,255,255,.9);
  background:linear-gradient(to top,rgba(14,17,21,.92),rgba(14,17,21,0));
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-soft{background:var(--bg-soft)}
.eyebrow{
  font-size:13px;font-weight:800;letter-spacing:2px;color:var(--brand-dark);
  text-transform:uppercase;
}
.h2{font-size:34px;line-height:1.25;font-weight:700;margin-top:12px}
.h3{font-size:21px;line-height:1.4;font-weight:700}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:44px;flex-wrap:wrap;
}
.sec-lede{margin-top:14px;color:var(--muted);font-size:16px;max-width:52em}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;color:var(--brand-dark);
  transition:gap .18s var(--ease),color .18s var(--ease);
}
.text-link:hover{gap:14px;color:var(--brand)}
.text-link i{font-size:13px}

/* ---------- 问句卡 ---------- */
.q-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.q-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-20);
  padding:26px 24px;box-shadow:var(--sh-card);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  position:relative;overflow:hidden;
}
.q-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.q-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F3C3AD}
.q-card:hover::before{transform:scaleX(1)}
.q-num{
  font-size:13px;font-weight:800;color:var(--brand-dark);letter-spacing:1px;
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
}
.q-num i{font-size:14px;color:var(--brand)}
.q-text{font-size:19px;font-weight:700;line-height:1.55}

/* ---------- 方案卡（非对称） ---------- */
.sol-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.sol-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-20);
  padding:28px;box-shadow:var(--sh-card);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  position:relative;overflow:hidden;
}
.sol-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:var(--grad);opacity:0;transition:opacity .2s var(--ease);
}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F3C3AD}
.sol-card:hover::after{opacity:1}
.sol-wide{grid-column:span 12;flex-direction:row;align-items:center;gap:40px;padding:34px;border-radius:var(--r-28)}
.sol-wide .sol-main{flex:1 1 52%}
.sol-wide .sol-media{flex:1 1 48%;border-radius:var(--r-20);overflow:hidden}
.sol-wide .sol-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.sol-7{grid-column:span 7}
.sol-5{grid-column:span 5}
.sol-tag{
  align-self:flex-start;display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#FFF1E9;color:var(--brand-dark);font-size:13px;font-weight:700;
}
.sol-desc{color:var(--muted);font-size:16px;line-height:1.85}
.sol-list{display:flex;flex-direction:column;gap:9px}
.sol-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2)}
.sol-list i{color:var(--brand);font-size:13px;margin-top:8px}

/* ---------- 数据徽章 ---------- */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-20);
  padding:28px 24px;box-shadow:var(--sh-card);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;color:var(--ink);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  display:flex;align-items:baseline;gap:4px;
}
.stat-num span{font-size:18px;color:var(--brand-dark);font-weight:800}
.stat-label{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.7}
.stat-bar{margin-top:16px;height:6px;border-radius:var(--r-pill);background:var(--bg-soft);overflow:hidden}
.stat-bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--lime),#9EDB19)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-20);
  padding:26px 24px;box-shadow:var(--sh-card);position:relative;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F3C3AD}
.step-idx{
  width:40px;height:40px;border-radius:var(--r-12);background:var(--grad);
  color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step h3{margin-top:16px;font-size:19px;font-weight:700}
.step p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-20);
  overflow:hidden;box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#F3C3AD}
.news-thumb{display:block;overflow:hidden;background:var(--bg-soft)}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.pill{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:#F2EDE6;color:var(--ink-2);font-size:12.5px;font-weight:700;letter-spacing:.3px;
}
.news-title{font-size:19px;font-weight:700;line-height:1.5}
.news-title a{transition:color .18s var(--ease)}
.news-title a:hover{color:var(--brand-dark)}
.news-desc{
  color:var(--muted);font-size:15px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:#8D8780;display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  font-variant-numeric:tabular-nums;
}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-20);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-card);
}
.empty-state i{font-size:34px;color:#C9C2B8}
.empty-state p{margin-top:16px;color:var(--muted);font-size:16px}
.empty-state a{margin-top:20px;display:inline-flex}

/* ---------- FAQ ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-20);overflow:hidden;box-shadow:var(--sh-card)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:17px;font-weight:700;color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.faq-q:hover{background:#FBF7F3}
.faq-q .ic{
  flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:#F2EDE6;
  display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--brand-dark);
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
}
.faq-item.open .faq-q{background:#F7F3EE;color:var(--brand-dark)}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s var(--ease)}
.faq-a p{padding:0 26px 24px;color:var(--muted);font-size:16px;line-height:1.9}

/* ---------- CTA + 表单 ---------- */
.cta-wrap{
  background:var(--grad);border-radius:var(--r-28);padding:52px;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;color:#fff;
  box-shadow:0 26px 60px rgba(255,61,94,.24);
}
.cta-wrap h2{font-size:34px;line-height:1.25;font-weight:700}
.cta-wrap p{margin-top:16px;font-size:17px;color:rgba(255,255,255,.9)}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px;font-size:15px;color:rgba(255,255,255,.95)}
.cta-points li{display:flex;gap:10px}
.cta-points i{color:var(--lime);margin-top:8px;font-size:13px}
.form-card{background:#fff;border-radius:var(--r-20);padding:30px;color:var(--ink);box-shadow:0 20px 44px rgba(20,23,28,.18)}
.form-card h3{font-size:21px;font-weight:700}
.form-card .hint{margin-top:8px;font-size:14px;color:var(--muted)}
.field{margin-top:16px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-12);
  background:#FDFCFA;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#A8A29B}
.form-submit{margin-top:22px;width:100%}
.form-privacy{margin-top:14px;font-size:12px;line-height:1.7;color:var(--muted);display:flex;gap:8px}
.form-privacy i{margin-top:5px;color:var(--brand)}
.form-note{margin-top:12px;font-size:13px;color:var(--brand-dark);font-weight:700;display:none}
.form-note.show{display:block}

/* ---------- 弹层 ---------- */
.modal{
  position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(12,15,20,.6);
  opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.modal.show{opacity:1;visibility:visible}
.modal-card{
  width:560px;max-width:100%;background:#fff;border-radius:24px;padding:30px;
  position:relative;box-shadow:0 30px 70px rgba(0,0,0,.3);
  transform:translateY(12px);transition:transform .22s var(--ease);
  max-height:90vh;overflow-y:auto;
}
.modal.show .modal-card{transform:translateY(0)}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;
  background:#F2EDE6;display:flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:background .18s var(--ease),color .18s var(--ease);
}
.modal-close:hover{background:var(--brand);color:#fff}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.foot-top{height:2px;background:var(--grad)}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
  padding:72px 0 48px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-brand .side-mark{background:var(--grad)}
.foot-brand strong{color:#fff;font-size:17px;font-weight:800;line-height:1.3}
.foot-desc{font-size:15px;line-height:1.9;color:rgba(255,255,255,.65);max-width:26em}
.foot-h{color:#fff;font-size:15px;font-weight:800;letter-spacing:.6px;margin-bottom:18px}
.foot-links{display:flex;flex-direction:column;gap:11px;font-size:15px}
.foot-links a{color:rgba(255,255,255,.68);transition:color .18s var(--ease),transform .18s var(--ease);display:inline-block}
.foot-links a:hover{color:var(--lime);transform:translateX(3px)}
.foot-contact{font-size:15px;line-height:2;color:rgba(255,255,255,.68)}
.foot-contact b{color:#fff;font-weight:700}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.foot-bottom a{color:rgba(255,255,255,.7)}
.foot-bottom a:hover{color:var(--lime)}

/* ---------- 平板：图标栏 ---------- */
@media (max-width:1279px) and (min-width:1024px){
  :root{--nav-w:88px}
  .side-brand{padding:22px 0;justify-content:center}
  .side-brandtxt{display:none}
  .side-group-label{display:none}
  .side-link{justify-content:center;padding:14px 0}
  .side-link .side-txt{display:none}
  .side-link.active::before{left:0;top:14px;bottom:14px}
  .side-cta span{display:none}
  .side-cta{padding:14px 0}
  .side-contact{display:none}
  .hero h1{font-size:44px}
  .cta-wrap{padding:40px}
}

/* ---------- 移动端 ---------- */
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{width:82vw;max-width:320px;transform:translateX(-100%);box-shadow:0 0 40px rgba(0,0,0,.2)}
  .sidebar.open{transform:translateX(0)}
  .side-brandtxt{display:block}
  .shell{margin-left:0;padding-top:60px}
  .container{padding:0 20px}
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;padding:56px 0 54px;gap:32px}
  .hero h1{font-size:36px;max-width:none}
  .hero-sub{font-size:17px}
  .hero-shot{order:-1}
  .h2{font-size:28px}
  .q-grid{grid-template-columns:repeat(2,1fr)}
  .sol-grid{grid-template-columns:repeat(6,1fr)}
  .sol-wide{grid-column:span 6;flex-direction:column;align-items:stretch;gap:24px}
  .sol-7,.sol-5{grid-column:span 6}
  .stat-band{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .cta-wrap{grid-template-columns:1fr;padding:32px 24px;gap:32px}
  .cta-wrap h2{font-size:27px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .foot-grid > div:first-child{grid-column:span 2}
}

@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 16px}
  .hero h1{font-size:29px}
  .q-grid{grid-template-columns:1fr}
  .stat-band{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-grid > div:first-child{grid-column:span 1}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .sec-head{margin-bottom:30px}
  .q-text{font-size:17px}
  .stat-num{font-size:34px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-deep:#E03E0C;
  --lime:#C9F24D;
  --ink:#14171C;
  --ink-2:#2A3038;
  --bg:#FAF7F3;
  --bg-soft:#F2EDE6;
  --card:#FFFFFF;
  --line:#E7E0D8;
  --muted:#6E675C;
  --grad:linear-gradient(115deg,#FF7A18 0%,#FF3D5E 100%);
  --r-sm:12px; --r-md:16px; --r-lg:20px; --r-xl:28px; --r-pill:999px;
  --sh:0 1px 2px rgba(20,23,28,.04), 0 12px 32px rgba(20,23,28,.06);
  --sh-hi:0 2px 6px rgba(20,23,28,.06), 0 20px 44px rgba(20,23,28,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --side-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei','Inter',ui-sans-serif,system-ui,sans-serif;
  font-size:17px;line-height:1.9;font-weight:400;
  color:var(--ink);background:var(--bg);text-align:left;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
button{font:inherit;cursor:pointer;border:0;background:none}
:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1200px){.container{padding:0 48px}}

/* ---------- 移动端顶栏 ---------- */
.topbar{position:fixed;top:0;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--line);z-index:80}
.topbar-inner{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 16px}
.brand-mini{display:flex;align-items:center;gap:10px}
.side-mark{width:40px;height:40px;border-radius:12px;background:var(--grad);color:#fff;font-size:14px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;letter-spacing:.5px;flex:0 0 auto}
.brand-mini .brand-txt,.side-brand-txt{display:flex;flex-direction:column;line-height:1.2}
.brand-mini b,.side-brand-txt b{font-size:15px;font-weight:800;letter-spacing:.4px}
.brand-mini i,.side-brand-txt i{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.8px}
.menu-btn{width:44px;height:44px;border-radius:12px;background:var(--bg-soft);color:var(--ink);font-size:17px;display:inline-flex;align-items:center;justify-content:center;transition:background-color .18s var(--ease)}
.menu-btn:hover{background:#EDE5DA}
@media(min-width:1024px){.topbar{display:none}}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--side-w);
  background:#fff;border-right:1px solid var(--line);
  padding:24px 16px;display:flex;flex-direction:column;gap:6px;
  overflow-y:auto;z-index:90;transform:translateX(-100%);
  transition:transform .26s var(--ease);
}
.sidebar.open{transform:translateX(0)}
.side-brand{display:flex;align-items:center;gap:12px;padding:4px 8px 20px;border-bottom:1px solid var(--line);margin-bottom:8px}
.side-group-label{display:block;font-size:11px;letter-spacing:.2em;color:#A39A8F;font-weight:700;margin:18px 12px 8px}
.side-nav{display:flex;flex-direction:column}
.side-link{position:relative;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-sm);color:var(--ink-2);font-size:15px;font-weight:600;margin-bottom:6px}
.side-link i{width:18px;text-align:center;font-size:15px;color:#A79E93;transition:color .18s var(--ease)}
.side-link:hover{background:var(--bg-soft);color:var(--ink)}
.side-link:hover i{color:var(--brand)}
.side-link.active{background:rgba(255,90,31,.09);color:var(--brand-deep)}
.side-link.active i{color:var(--brand)}
.side-link.active::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand)}
.side-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line)}
.side-meta{margin:14px 4px 0;font-size:12.5px;line-height:1.8;color:var(--muted)}
.drawer-mask{position:fixed;inset:0;background:rgba(12,15,20,.55);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:85}
.drawer-mask.show{opacity:1;pointer-events:auto}
@media(min-width:1024px){
  .sidebar{transform:none}
  .drawer-mask{display:none}
}
@media(min-width:1024px) and (max-width:1279px){
  :root{--side-w:88px}
  .sidebar{padding:20px 12px;align-items:center}
  .side-group-label,.side-meta,.side-brand-txt{display:none}
  .side-brand{padding-bottom:16px;justify-content:center}
  .side-link{justify-content:center;width:48px;padding:14px 0;margin-bottom:8px}
  .side-nav{width:100%;align-items:center}
  .side-link.active::before{top:8px;bottom:8px}
  .side-foot{width:100%;display:flex;justify-content:center}
  .side-foot .btn{width:48px;padding:0;font-size:0}
  .side-foot .btn i{font-size:16px}
}

/* ---------- 页面骨架 ---------- */
.page{margin-left:0;padding-top:60px}
@media(min-width:1024px){.page{margin-left:var(--side-w);padding-top:0}}

/* ---------- 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-pill);font-size:15.5px;font-weight:700;border:1px solid transparent;white-space:nowrap;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,61,94,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,61,94,.34);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}
.pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:700;background:var(--bg-soft);color:var(--ink-2);letter-spacing:.2px}
.pill-cat{background:rgba(201,242,77,.28);color:#4C5C10;border:1px solid rgba(201,242,77,.75)}
.pill-soft{background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.tag-pill{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--ink-2)}
.tag-pill:hover{border-color:var(--brand);color:var(--brand-deep)}

/* ---------- 文章头部 ---------- */
.art-hero{position:relative;overflow:hidden;color:#fff;padding:64px 0 56px}
.art-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0}
.art-hero-bg::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:52px 52px;opacity:.5}
.art-hero-inner{position:relative;z-index:2;max-width:920px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72)}
.crumbs a:hover{color:#fff}
.crumbs .sep{opacity:.55}
.crumbs .now{color:#fff;font-weight:600;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-title{font-size:44px;line-height:1.15;font-weight:800;margin:20px 0 16px;color:#fff}
.art-title .hl{position:relative;display:inline-block}
.art-title .hl::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:10px;background:var(--grad);opacity:.55;border-radius:4px;z-index:-1}
.art-lead{margin:0;max-width:800px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84)}
.art-meta{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.72)}
.art-meta span{display:inline-flex;align-items:center;gap:7px}
.art-meta b{color:#fff;font-weight:700}
@media(max-width:900px){
  .art-hero{padding:44px 0 40px}
  .art-title{font-size:32px}
  .art-lead{font-size:16px}
}
@media(max-width:520px){
  .art-title{font-size:26px;line-height:1.25}
  .crumbs .now{max-width:150px}
}

/* ---------- 正文区 ---------- */
.art-main{padding:56px 0 0}
@media(min-width:1024px){.art-main{padding:72px 0 0}}
.art-wrap{max-width:820px;margin:0 auto}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:44px 44px 34px;box-shadow:var(--sh);overflow-wrap:break-word;word-break:break-word}
.article-body h1,.article-body h2{font-size:28px;line-height:1.35;font-weight:700;margin:38px 0 14px;color:var(--ink)}
.article-body h3{font-size:21px;line-height:1.4;font-weight:700;margin:30px 0 10px;color:var(--ink)}
.article-body h4{font-size:18px;font-weight:700;margin:24px 0 8px}
.article-body p{margin:0 0 18px;color:#242830}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0}
.article-body strong{font-weight:700;color:var(--ink)}
.article-body img{border-radius:var(--r-md);margin:22px 0;width:100%}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(224,62,12,.35)}
.article-body a:hover{color:var(--brand);border-color:var(--brand)}
.article-body blockquote{margin:24px 0;padding:18px 22px;background:var(--bg-soft);border-left:4px solid var(--brand);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--bg-soft);font-weight:700}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body h1:first-child,.article-body h2:first-child,.article-body p:first-child{margin-top:0}
@media(max-width:640px){
  .article-body{padding:26px 20px 20px;border-radius:var(--r-lg)}
  .article-body h1,.article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px}
}
.empty-state{text-align:center;padding:56px 24px}
.empty-state i{font-size:38px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state p{margin:0 0 20px;color:var(--muted);font-size:16px}

/* ---------- 标签 / 上下篇 ---------- */
.art-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.art-tags .label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.1em;margin-right:2px}
.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.art-nav-item{display:flex;flex-direction:column;gap:6px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.art-nav-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hi);border-color:rgba(255,90,31,.45)}
.art-nav-item span{font-size:12.5px;font-weight:700;color:var(--brand-deep);letter-spacing:.08em}
.art-nav-item strong{font-size:15.5px;font-weight:700;line-height:1.55;color:var(--ink)}
.art-back{margin-top:20px;text-align:center}
@media(max-width:640px){.art-nav{grid-template-columns:1fr}}

/* ---------- 通用板块 ---------- */
.sec{padding:56px 0}
@media(min-width:1024px){.sec{padding:88px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:30px;line-height:1.25;font-weight:700;margin:0}
.sec-head p{margin:8px 0 0;color:var(--muted);font-size:15.5px;max-width:720px}
.more-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--brand-deep)}
.more-link:hover{color:var(--brand)}
.more-link i{transition:transform .18s var(--ease)}
.more-link:hover i{transform:translateX(4px)}
@media(max-width:640px){.sec-head h2{font-size:23px}}

/* ---------- 相关推荐卡 ---------- */
.rcards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);position:relative;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.rcard::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:0;transition:opacity .2s var(--ease);z-index:3}
.rcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hi);border-color:rgba(255,90,31,.4)}
.rcard:hover::before{opacity:1}
.rcard-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft)}
.rcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rcard:hover .rcard-media img{transform:scale(1.04)}
.rcard-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard-body h3{font-size:18px;line-height:1.5;font-weight:700;margin:0}
.rcard-body p{margin:0;font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#9A9288}
.rcard-link{font-weight:700;color:var(--brand-deep);font-size:13.5px;display:inline-flex;align-items:center;gap:6px}
@media(max-width:960px){.rcards{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.rcards{grid-template-columns:1fr}}

/* ---------- CTA 条 ---------- */
.cta-strip{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad);color:#fff;padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-strip::after{content:"";position:absolute;right:-40px;bottom:-60px;width:240px;height:240px;border-radius:50%;background:rgba(255,255,255,.14);z-index:0}
.cta-strip > *{position:relative;z-index:1}
.cta-strip h2{margin:0 0 8px;font-size:26px;line-height:1.3;font-weight:800}
.cta-strip p{margin:0;font-size:15.5px;color:rgba(255,255,255,.9);max-width:560px}
.cta-strip .btn-ghost{background:#fff;border-color:#fff;color:var(--brand-deep)}
.cta-strip .btn-ghost:hover{background:#fff7f3;color:var(--brand-deep)}
@media(max-width:640px){
  .cta-strip{padding:28px 22px;border-radius:var(--r-lg)}
  .cta-strip h2{font-size:21px}
  .cta-strip .btn{width:100%}
}

/* ---------- 页脚 ---------- */
footer{background:var(--ink);color:#C6C0B8;margin-top:72px}
.foot-top{height:2px;background:var(--grad)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:60px 0 36px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.foot-brand strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.3px}
.foot-desc{margin:0;font-size:14px;line-height:1.9;color:#9C968D;max-width:360px}
.foot-h{color:#fff;font-size:14.5px;font-weight:700;margin:0 0 14px;letter-spacing:.04em}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:14px;color:#9C968D}
.foot-links a:hover{color:var(--brand)}
.foot-contact{font-size:14px;line-height:2;color:#9C968D}
.foot-contact b{color:#fff;font-weight:600}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#8B857C}
.foot-bottom a{color:#C6C0B8;text-decoration:underline;text-underline-offset:3px}
.foot-bottom a:hover{color:var(--brand)}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;padding:48px 0 28px;gap:28px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
    --brand:#FF5A1F;
    --brand-deep:#E03E0C;
    --lime:#C9F24D;
    --ink:#14171C;
    --ink-2:#2A3038;
    --bg:#FAF7F3;
    --soft:#F2EDE6;
    --card:#FFFFFF;
    --line:#E7E0D8;
    --muted:#6E6A63;
    --grad:linear-gradient(115deg,#FF7A18 0%,#FF3D5E 100%);
    --r12:12px;
    --r16:16px;
    --r20:20px;
    --r28:28px;
    --shadow-s:0 1px 2px rgba(20,23,28,.04),0 12px 32px rgba(20,23,28,.06);
    --shadow-h:0 4px 10px rgba(20,23,28,.08),0 20px 42px rgba(20,23,28,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --side:248px;
  }
  *,*::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','Microsoft YaHei','Inter',ui-sans-serif,system-ui,sans-serif;
    font-size:17px;
    line-height:1.9;
    text-align:left;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  button{cursor:pointer;border:0;background:none}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;border-radius:6px}
  .container{max-width:1280px;margin:0 auto;padding-left:32px;padding-right:32px}
  @media (max-width:1023px){.container{padding-left:20px;padding-right:20px}}
  @media (min-width:1280px){.container{padding-left:48px;padding-right:48px}}

  /* ============ 侧栏导航 ============ */
  .side{
    position:fixed;top:0;left:0;bottom:0;width:var(--side);
    background:var(--card);border-right:1px solid var(--line);
    display:flex;flex-direction:column;z-index:60;
  }
  .brand{
    display:flex;align-items:center;gap:12px;
    padding:24px 20px;border-bottom:1px solid var(--line);
  }
  .side-mark{
    width:40px;height:40px;border-radius:12px;background:var(--grad);
    color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
    display:flex;align-items:center;justify-content:center;flex:0 0 40px;
  }
  .brand-txt strong{display:block;font-size:16px;line-height:1.3;font-weight:800}
  .brand-txt span{display:block;font-size:12px;color:var(--muted);letter-spacing:1.6px;line-height:1.5}
  .side-nav{padding:20px 14px;display:flex;flex-direction:column;gap:4px;overflow-y:auto;flex:1 1 auto}
  .side-group-label{
    display:block;font-size:12px;letter-spacing:1.6px;color:var(--muted);
    padding:6px 12px 10px;
  }
  .side-link{
    position:relative;display:flex;align-items:center;gap:12px;
    padding:12px 12px;border-radius:var(--r12);
    color:var(--ink-2);font-size:15px;font-weight:600;
    transition:background .18s var(--ease),color .18s var(--ease);
  }
  .side-link i{width:18px;text-align:center;font-size:15px;color:var(--muted);transition:color .18s var(--ease)}
  .side-link::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
    background:transparent;transition:background .18s var(--ease);
  }
  .side-link:hover{background:var(--soft);color:var(--ink)}
  .side-link:hover i{color:var(--brand)}
  .side-link.active{background:#FFF1E9;color:var(--brand-deep);font-weight:700}
  .side-link.active i{color:var(--brand)}
  .side-link.active::before{background:var(--brand)}
  .side-foot{padding:16px 16px 22px;border-top:1px solid var(--line)}
  .side-cta{
    display:flex;align-items:center;justify-content:center;gap:8px;
    width:100%;height:46px;border-radius:var(--r12);background:var(--grad);
    color:#fff;font-weight:700;font-size:15px;
    box-shadow:0 8px 20px rgba(255,61,94,.22);
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease);
  }
  .side-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,61,94,.3)}
  .side-cta:active{transform:translateY(0);filter:brightness(.94)}
  .side-contact{margin-top:14px;font-size:13px;line-height:1.8;color:var(--muted)}
  .side-contact b{color:var(--ink-2);font-weight:700}

  /* ============ 移动端顶栏 ============ */
  .topbar{
    display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
    background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
    align-items:center;justify-content:space-between;padding:0 16px;
  }
  .topbar .brand{padding:0;border:0}
  .topbar .side-mark{width:34px;height:34px;flex:0 0 34px;font-size:13px;border-radius:10px}
  .topbar .brand-txt strong{font-size:14px}
  .burger{
    width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
    display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink-2);
    background:#fff;transition:background .18s var(--ease)
  }
  .burger:hover{background:var(--soft)}
  .scrim{
    display:none;position:fixed;inset:0;background:rgba(12,15,20,.55);z-index:80;
  }
  .scrim.show{display:block}
  .drawer{
    position:fixed;top:0;bottom:0;left:0;width:82vw;max-width:320px;z-index:90;
    background:var(--card);transform:translateX(-102%);
    transition:transform .24s var(--ease);display:flex;flex-direction:column;
  }
  .drawer.open{transform:translateX(0)}

  /* ============ 内容区 ============ */
  .content{margin-left:var(--side)}
  .page-hero{
    position:relative;overflow:hidden;
    background-image:linear-gradient(115deg,rgba(20,23,28,.9) 0%,rgba(20,23,28,.62) 52%,rgba(20,23,28,.34) 100%),url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    color:#fff;padding:72px 0 64px;
  }
  .page-hero::after{
    content:"";position:absolute;inset:auto 0 0 0;height:2px;background:var(--grad);
  }
  .crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
  .crumb a{color:rgba(255,255,255,.82)}
  .crumb a:hover{color:#fff;text-decoration:underline}
  .crumb i{font-size:9px;opacity:.7}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.4px;
    background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;
  }
  .eyebrow i{color:var(--lime)}
  .page-hero h1{
    font-size:clamp(32px,4vw,52px);line-height:1.16;font-weight:800;
    margin:20px 0 16px;max-width:16em;
  }
  .page-hero h1 .hl{
    position:relative;display:inline-block;
  }
  .page-hero h1 .hl::after{
    content:"";position:absolute;left:0;right:0;bottom:4px;height:6px;border-radius:4px;
    background:var(--grad);opacity:.9;
  }
  .page-hero .lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.84);max-width:660px}
  .hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
    background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#fff;
  }
  .pill i{font-size:12px;color:var(--lime)}
  .pill-dark{
    background:var(--soft);border-color:var(--line);color:var(--ink-2)
  }
  .pill-dark i{color:var(--brand)}

  section.block{padding:88px 0}
  section.block.tight{padding:64px 0}
  @media (max-width:767px){section.block{padding:64px 0}section.block.tight{padding:48px 0}}
  .sec-head{max-width:760px;margin-bottom:40px}
  .sec-tag{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
    letter-spacing:1.4px;color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;
  }
  .sec-tag::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
  h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700}
  h3{font-size:21px;line-height:1.4;font-weight:700}
  .sec-head p{margin-top:14px;color:var(--muted);font-size:16px}
  .band{background:var(--soft)}
  .band-white{background:var(--card)}

  /* 简介 */
  .intro-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:32px;align-items:start}
  @media (max-width:1023px){.intro-grid{grid-template-columns:1fr}}
  .intro-copy p+p{margin-top:18px}
  .intro-copy p{color:var(--ink-2)}
  .intro-side{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r28);
    padding:28px;box-shadow:var(--shadow-s);
  }
  .intro-side h3{font-size:18px;margin-bottom:16px}
  .check-list li{
    display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--ink-2)
  }
  .check-list li:last-child{border-bottom:0}
  .check-list i{color:var(--brand);margin-top:5px;font-size:14px}
  .intro-figure{margin-top:22px;border-radius:var(--r20);overflow:hidden;border:1px solid var(--line)}
  .intro-figure img{aspect-ratio:16/9;object-fit:cover;width:100%}

  /* 要点卡片网格 */
  .card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .card-grid .card:first-child{grid-column:1/-1;display:grid;grid-template-columns:1.05fr .95fr;gap:0}
  .card-grid .card:first-child .card-media{border-radius:0;height:100%}
  .card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r20);
    overflow:hidden;box-shadow:var(--shadow-s);
    transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
    position:relative;display:flex;flex-direction:column;
  }
  .card::before{
    content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
    transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
  }
  .card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:#F3C3AC}
  .card:hover::before{transform:scaleX(1)}
  .card-media{overflow:hidden;border-radius:var(--r20) var(--r20) 0 0}
  .card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s var(--ease)}
  .card:hover .card-media img{transform:scale(1.04)}
  .card-body{padding:26px;display:flex;flex-direction:column;gap:14px;flex:1}
  .card-body h3{font-size:20px}
  .card-body p{color:var(--muted);font-size:15px;line-height:1.85}
  .dot-list li{position:relative;padding-left:20px;font-size:15px;color:var(--ink-2);line-height:1.9}
  .dot-list li::before{
    content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
    background:var(--brand);opacity:.85;
  }
  .card-link{
    margin-top:auto;display:inline-flex;align-items:center;gap:8px;
    font-weight:700;font-size:15px;color:var(--brand-deep);
  }
  .card-link i{transition:transform .2s var(--ease)}
  .card-link:hover i{transform:translateX(4px)}
  .card-no{
    position:absolute;top:16px;left:16px;z-index:2;
    background:rgba(20,23,28,.82);color:#fff;font-size:13px;font-weight:800;
    padding:5px 12px;border-radius:999px;letter-spacing:1px;
  }
  @media (max-width:1023px){
    .card-grid{grid-template-columns:1fr}
    .card-grid .card:first-child{grid-template-columns:1fr}
  }

  /* 对比表格 */
  .table-wrap{
    background:var(--card);border:1px solid var(--line);border-radius:var(--r28);
    box-shadow:var(--shadow-s);overflow:hidden;
  }
  .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.cmp{width:100%;min-width:680px;border-collapse:collapse;font-size:15px}
  table.cmp caption{
    text-align:left;padding:24px 28px 4px;font-size:15px;color:var(--muted);
  }
  table.cmp th,table.cmp td{padding:18px 24px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
  table.cmp thead th{
    background:var(--ink);color:#fff;font-size:14px;font-weight:700;letter-spacing:.6px;border-bottom:0
  }
  table.cmp thead th:first-child{background:var(--ink-2)}
  table.cmp tbody th{font-weight:700;color:var(--ink);background:#FCFAF7;width:180px}
  table.cmp tbody tr:hover td{background:#FFF7F2}
  table.cmp tbody tr:last-child th,table.cmp tbody tr:last-child td{border-bottom:0}
  .td-good{color:var(--brand-deep);font-weight:700}
  .td-weak{color:var(--muted)}
  .table-note{padding:18px 28px 24px;font-size:14px;color:var(--muted);border-top:1px solid var(--line);background:#FCFAF7}

  /* FAQ */
  .faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r28);overflow:hidden;box-shadow:var(--shadow-s)}
  .faq-list details{border-bottom:1px solid var(--line)}
  .faq-list details:last-child{border-bottom:0}
  .faq-list summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
    transition:background .18s var(--ease);
  }
  .faq-list summary::-webkit-details-marker{display:none}
  .faq-list summary:hover{background:#F7F3EE}
  .faq-list summary .fa-plus{
    flex:0 0 30px;width:30px;height:30px;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    background:var(--soft);color:var(--brand-deep);font-size:12px;
    transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease);
  }
  .faq-list details[open] summary{background:#F7F3EE;color:var(--brand-deep)}
  .faq-list details[open] summary .fa-plus{transform:rotate(45deg);background:var(--brand);color:#fff}
  .faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:16px;line-height:1.9}

  /* CTA */
  .cta{
    position:relative;overflow:hidden;border-radius:var(--r28);
    background:var(--grad);color:#fff;padding:56px;
    display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:start;
    box-shadow:0 24px 60px rgba(255,61,94,.24);
  }
  .cta::after{
    content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
    background:rgba(255,255,255,.12);
  }
  .cta h2{color:#fff;position:relative;z-index:1}
  .cta p{margin-top:14px;color:rgba(255,255,255,.9);font-size:16px;position:relative;z-index:1}
  .cta-points{margin-top:24px;display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
  .cta-points li{display:flex;gap:10px;font-size:15px;color:#fff}
  .cta-points i{color:var(--lime);margin-top:5px;font-size:14px}
  .form-card{
    background:#fff;border-radius:var(--r20);padding:26px;color:var(--ink);
    position:relative;z-index:1;box-shadow:0 18px 40px rgba(20,23,28,.18);
  }
  .form-card h3{font-size:18px;margin-bottom:6px}
  .form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:6px}
  .field input,.field select,.field textarea{
    width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r12);
    background:#FCFAF7;font-size:15px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  }
  .field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.18)
  }
  .check-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:4px 0 16px}
  .check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand)}
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:10px;
    height:52px;padding:0 28px;border-radius:var(--r12);font-weight:700;font-size:16px;
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),filter .18s var(--ease),background .18s var(--ease);
  }
  .btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(255,61,94,.28)}
  .btn-grad:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,61,94,.34)}
  .btn-grad:active{transform:translateY(0);filter:brightness(.94)}
  .btn-ghost{border:1px solid var(--line);background:#fff;color:var(--ink-2)}
  .btn-ghost:hover{background:var(--soft);border-color:#D8CFC4}
  .btn-block{width:100%}
  .form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.7}
  .form-msg{
    display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r12);
    background:#EFFBE3;border:1px solid #CFE9A8;color:#3F5B12;font-size:14px;font-weight:600
  }
  .form-msg.show{display:block}
  @media (max-width:1023px){
    .cta{grid-template-columns:1fr;padding:32px 24px}
  }

  /* 圆点纹理 */
  .dots-bg{
    background-image:radial-gradient(rgba(20,23,28,.08) 1px,transparent 1px);
    background-size:18px 18px;
  }

  /* Footer */
  footer{background:var(--ink);color:rgba(255,255,255,.74);margin-top:96px}
  .foot-top{height:2px;background:var(--grad)}
  .foot-grid{
    display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px;
  }
  .foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
  .foot-brand strong{color:#fff;font-size:17px}
  .foot-desc{font-size:14px;line-height:1.9;max-width:36em}
  .foot-h{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
  .foot-links{display:flex;flex-direction:column;gap:10px;font-size:14px}
  .foot-links a{transition:color .18s var(--ease)}
  .foot-links a:hover{color:var(--brand)}
  .foot-contact{font-size:14px;line-height:2}
  .foot-contact b{color:#fff}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.12);padding:22px 0 32px;
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)
  }
  .foot-bottom a{color:rgba(255,255,255,.78);text-decoration:underline}
  @media (max-width:1023px){
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  }
  @media (max-width:640px){
    .foot-grid{grid-template-columns:1fr}
  }

  /* 响应式导航切换 */
  @media (max-width:1279px) and (min-width:1024px){
    :root{--side:88px}
    .side-txt,.side-group-label,.brand-txt,.side-contact{display:none}
    .brand{justify-content:center;padding:20px 8px}
    .side-nav{padding:16px 10px;align-items:center}
    .side-link{justify-content:center;padding:14px 0;width:100%}
    .side-link i{font-size:18px}
    .side-foot{padding:14px 8px 18px}
    .side-cta span{display:none}
    .side-cta{height:46px}
  }
  @media (max-width:1023px){
    .side{display:none}
    .topbar{display:flex}
    .content{margin-left:0;padding-top:60px}
  }
  @media (prefers-reduced-motion:reduce){
    *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
:root{
    --brand:#FF5A1F;
    --brand-deep:#E03E0C;
    --lime:#C9F24D;
    --ink:#14171C;
    --ink-2:#2A3038;
    --bg:#FAF7F3;
    --bg-soft:#F2EDE6;
    --card:#FFFFFF;
    --line:#E7E0D8;
    --muted:#6B6A66;
    --grad:linear-gradient(115deg,#FF7A18 0%,#FF3D5E 100%);
    --r-12:12px;
    --r-16:16px;
    --r-20:20px;
    --r-28:28px;
    --r-full:999px;
    --sh:0 1px 2px rgba(20,23,28,.04), 0 12px 32px rgba(20,23,28,.06);
    --sh-hi:0 2px 4px rgba(20,23,28,.06), 0 20px 44px rgba(20,23,28,.12);
    --ease:cubic-bezier(.2,.7,.3,1);
    --rail:248px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  .site-body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",Inter,ui-sans-serif,system-ui,sans-serif;
    font-size:17px;
    line-height:1.9;
    font-weight:400;
    text-align:left;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  .site-body img{max-width:100%;height:auto;display:block}
  .site-body a{color:inherit;text-decoration:none}
  .site-body button{font-family:inherit;cursor:pointer}
  .site-body ::selection{background:rgba(255,90,31,.18)}

  .container{width:100%;max-width:1280px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container{padding:0 32px}}
  @media (min-width:1200px){.container{padding:0 48px}}

  /* ===== 左侧竖向导航 ===== */
  .side-rail{
    position:fixed;top:0;left:0;bottom:0;width:var(--rail);
    background:#fff;border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:26px 18px 20px;
    z-index:60;transition:transform .22s var(--ease),width .22s var(--ease);
  }
  .rail-brand{display:flex;align-items:center;gap:11px;padding:0 6px 22px;border-bottom:1px solid var(--line)}
  .side-mark{
    width:36px;height:36px;border-radius:11px;background:var(--grad);color:#fff;
    font-weight:800;font-size:13px;letter-spacing:.5px;display:grid;place-items:center;flex:0 0 auto;
  }
  .rail-brand-txt strong{display:block;font-size:15px;line-height:1.3;font-weight:800;color:var(--ink);white-space:nowrap}
  .rail-brand-txt span{display:block;font-size:11px;letter-spacing:.16em;color:#9A968E;text-transform:uppercase}
  .side-group-label{display:block;font-size:11px;letter-spacing:.18em;color:#9A968E;padding:20px 10px 10px;text-transform:uppercase}
  .side-nav{display:flex;flex-direction:column;gap:4px}
  .side-link{
    position:relative;display:flex;align-items:center;gap:12px;
    padding:11px 12px;border-radius:var(--r-12);font-size:14.5px;color:var(--ink-2);
    transition:background .18s var(--ease),color .18s var(--ease);
  }
  .side-link i{width:18px;text-align:center;font-size:15px;color:#9A968E;transition:color .18s var(--ease)}
  .side-link:hover{background:var(--bg-soft);color:var(--ink)}
  .side-link:hover i{color:var(--brand)}
  .side-link.active{background:#FDF1EA;color:var(--brand-deep);font-weight:600}
  .side-link.active i{color:var(--brand)}
  .side-link.active::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:0 3px 3px 0;background:var(--brand);
  }
  .rail-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line)}
  .rail-cta{
    display:flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 16px;border-radius:var(--r-full);background:var(--grad);color:#fff;
    font-weight:700;font-size:14.5px;box-shadow:0 8px 20px rgba(255,90,31,.28);
    transition:transform .18s var(--ease),box-shadow .18s var(--ease);
  }
  .rail-cta:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,31,.34)}
  .rail-cta:active{transform:translateY(0)}
  .rail-note{margin:14px 4px 0;font-size:12.5px;line-height:1.75;color:var(--muted)}
  .rail-note b{color:var(--ink);font-weight:600}

  /* ===== 移动端顶栏与抽屉 ===== */
  .mobile-bar{display:none}
  .drawer-mask{
    position:fixed;inset:0;background:rgba(12,15,20,.55);
    opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s;
    z-index:65;
  }
  .drawer-mask.show{opacity:1;visibility:visible}

  /* ===== 内容区 ===== */
  .site-main{margin-left:var(--rail)}
  .sec{padding:64px 0}
  @media (min-width:1024px){.sec{padding:96px 0}}
  .sec-tight{padding:40px 0}
  .sec-head{max-width:760px;margin-bottom:36px}
  .h2{font-size:27px;line-height:1.28;font-weight:700;margin:0 0 12px;color:var(--ink)}
  @media (min-width:1024px){.h2{font-size:34px;line-height:1.25}}
  .h3{font-size:20px;line-height:1.4;font-weight:700;margin:0 0 12px;color:var(--ink)}
  @media (min-width:1024px){.h3{font-size:22px}}
  .sub{font-size:14.5px;color:var(--muted);line-height:1.9;margin:0}
  .lead{font-size:16.5px;color:var(--ink-2);margin:0 0 14px}
  .kw{
    background-image:linear-gradient(180deg,transparent 62%,rgba(255,122,24,.34) 62%,rgba(255,61,94,.3) 100%);
    padding-bottom:2px;
  }
  .sep-line{height:1px;background:var(--line);border:0;margin:0}

  /* ===== 面包屑 / 标签 ===== */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
  .crumb a{transition:color .18s var(--ease)}
  .crumb a:hover{color:var(--brand-deep)}
  .crumb .sep{color:#C4BEB5}
  .pill{
    display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-full);
    font-size:13px;font-weight:600;background:#FDF1EA;color:var(--brand-deep);border:1px solid #F6D9C9;
  }
  .pill-lime{background:rgba(201,242,77,.22);color:#3F5A00;border-color:rgba(201,242,77,.6)}

  /* ===== 按钮 ===== */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    padding:13px 26px;border-radius:var(--r-full);font-size:15px;font-weight:700;
    border:1px solid transparent;cursor:pointer;line-height:1.2;
    transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  }
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,31,.28)}
  .btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(255,90,31,.34)}
  .btn-primary:active{transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,90,31,.3)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-3px);box-shadow:var(--sh)}
  .btn-ghost:active{transform:translateY(-1px)}
  .btn:focus-visible,.side-link:focus-visible,.crumb a:focus-visible,.foot-links a:focus-visible,
  .acc summary:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.18);
  }
  .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

  /* ===== Hero ===== */
  .hero{padding:44px 0 8px}
  @media (min-width:1024px){.hero{padding:60px 0 12px}}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
  .h1{font-size:29px;line-height:1.22;font-weight:800;margin:16px 0 14px;color:var(--ink)}
  @media (min-width:768px){.h1{font-size:36px}}
  @media (min-width:1024px){.h1{font-size:46px;line-height:1.15}}
  .hero-sub{font-size:16.5px;color:var(--ink-2);margin:0;max-width:560px}
  .hero-visual{
    position:relative;border-radius:var(--r-28);overflow:hidden;box-shadow:var(--sh);
  }
  .hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s var(--ease)}
  .hero-visual:hover img{transform:scale(1.03)}
  .hero-visual::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(115deg,rgba(20,23,28,.55) 0%,rgba(20,23,28,.14) 55%,rgba(255,90,31,.22) 100%);
  }
  .hv-tag{
    position:absolute;left:18px;bottom:18px;z-index:2;background:rgba(255,255,255,.95);
    border-radius:var(--r-full);padding:9px 18px;font-size:13px;font-weight:700;color:var(--ink);
    box-shadow:0 6px 18px rgba(20,23,28,.14);
  }
  .trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .trust{
    display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-full);
    background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
    box-shadow:0 1px 2px rgba(20,23,28,.03);
  }
  .trust i{color:var(--brand);font-size:12px}

  /* ===== Zigzag ===== */
  .zig{
    display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
    padding:44px 0;border-top:1px solid var(--line);
  }
  .zig:first-of-type{border-top:0;padding-top:0}
  .zig.reverse .zig-media{order:2}
  .zig-media{position:relative;border-radius:var(--r-24,24px);overflow:hidden;box-shadow:var(--sh)}
  .zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
  .zig-media:hover img{transform:scale(1.04)}
  .zig-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(20,23,28,0) 45%,rgba(20,23,28,.4) 100%);
  }
  .zig-num{
    position:absolute;right:16px;top:16px;z-index:2;
    width:44px;height:44px;border-radius:var(--r-12);background:rgba(255,255,255,.94);
    display:grid;place-items:center;font-weight:800;font-size:16px;color:var(--brand-deep);
    font-variant-numeric:tabular-nums;
  }
  .zig-copy p{margin:0 0 14px;color:var(--ink-2);font-size:16px}
  .zig-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:12px}
  .zig-list li{position:relative;padding-left:32px;font-size:15.5px;color:var(--ink-2);line-height:1.8}
  .zig-list li::before{
    content:"✓";position:absolute;left:0;top:8px;width:20px;height:20px;border-radius:50%;
    background:#FDF1EA;color:var(--brand-deep);font-size:12px;font-weight:800;
    display:flex;align-items:center;justify-content:center;line-height:1;
  }

  /* ===== 数据徽章带 ===== */
  .stats-wrap{background:var(--ink);border-radius:var(--r-28);padding:42px 34px;position:relative;overflow:hidden;color:#fff}
  .stats-wrap::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 88% 10%,rgba(255,90,31,.3),transparent 55%),
               radial-gradient(circle at 6% 92%,rgba(201,242,77,.16),transparent 52%);
    pointer-events:none;
  }
  .stats-grid{position:relative;z-index:1;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .stat{padding:6px 10px 6px 0}
  .stat + .stat{border-left:1px solid rgba(255,255,255,.1);padding-left:26px}
  .stat-num{
    font-size:40px;font-weight:800;line-height:1.1;color:var(--lime);
    font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px;
  }
  .stat-num small{font-size:15px;font-weight:700;color:#fff}
  .stat-txt{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}

  /* ===== 手风琴 ===== */
  .acc{border:1px solid var(--line);border-radius:var(--r-20);background:#fff;overflow:hidden;box-shadow:var(--sh)}
  .acc-item{border-bottom:1px solid var(--line)}
  .acc-item:last-child{border-bottom:0}
  .acc summary{
    list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;
    transition:background .18s var(--ease),color .18s var(--ease);
  }
  .acc summary::-webkit-details-marker{display:none}
  .acc summary:hover{background:#FDF8F3}
  .acc-item[open] summary{background:#F7F3EE;color:var(--brand-deep)}
  .acc-ico{
    width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:1px solid var(--line);
    display:grid;place-items:center;color:var(--brand);font-size:12px;
    transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
  }
  .acc-item[open] .acc-ico{transform:rotate(45deg);background:#FDF1EA;border-color:#F6D9C9}
  .acc-body{padding:0 24px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.9}
  .acc-body p{margin:0 0 10px}
  .acc-body p:last-child{margin-bottom:0}

  /* ===== 引用卡 ===== */
  .quotes{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px}
  .quote{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-20);padding:26px;
    box-shadow:var(--sh);transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
    position:relative;overflow:hidden;
  }
  .quote:hover{transform:translateY(-4px);box-shadow:var(--sh-hi);border-color:#F0D6C6}
  .quote-feature{border-top:4px solid var(--brand)}
  .quote-mark{font-size:24px;color:var(--brand);opacity:.45;line-height:1}
  .quote p{margin:12px 0 16px;font-size:15.5px;color:var(--ink-2);line-height:1.9}
  .quote-feature p{font-size:17px;color:var(--ink)}
  .quote-who{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
  .quote-who i{color:var(--brand);font-size:11px}

  /* ===== CTA + 表单 ===== */
  .cta-band{
    background:var(--grad);border-radius:var(--r-28);padding:44px;display:grid;
    grid-template-columns:1fr 1fr;gap:44px;color:#fff;position:relative;overflow:hidden;
  }
  @media (min-width:1024px){.cta-band{padding:56px}}
  .cta-band::after{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 82% 18%,rgba(255,255,255,.2),transparent 55%);
    pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1}
  .cta-copy .h2{color:#fff;margin-bottom:14px}
  .cta-copy p{color:rgba(255,255,255,.9);margin:0 0 22px;font-size:16px}
  .cta-points{list-style:none;padding:0;margin:0;display:grid;gap:12px}
  .cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:rgba(255,255,255,.94)}
  .cta-points i{margin-top:6px;font-size:12px;color:var(--lime)}
  .form-card{
    background:#fff;border-radius:var(--r-24,24px);padding:26px;color:var(--ink);
    box-shadow:0 24px 48px rgba(20,23,28,.2);position:relative;z-index:1;
  }
  .form-card .h3{margin-bottom:4px;font-size:19px}
  .form-card .form-sub{font-size:13px;color:var(--muted);margin:0 0 18px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--ink-2)}
  .field input,.field textarea{
    width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-12);
    padding:0 14px;background:#FCFAF7;color:var(--ink);font-size:15px;line-height:1.6;
    transition:border-color .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
  }
  .field textarea{height:96px;padding:12px 14px;resize:vertical}
  .field input::placeholder,.field textarea::placeholder{color:#A9A49C}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(255,90,31,.18)}
  .form-card .btn{width:100%;margin-top:8px}
  .form-tip{font-size:12px;color:var(--muted);margin:12px 0 0;line-height:1.7}
  .form-tip i{color:var(--brand);margin-right:4px}
  .form-msg{font-size:13px;color:var(--brand-deep);margin:10px 0 0;display:none}
  .form-msg.show{display:block}

  /* ===== 页脚 ===== */
  .site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative}
  .foot-top{height:2px;background:var(--grad)}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:36px;padding:56px 0 34px}
  .foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
  .foot-brand strong{color:#fff;font-size:15.5px;font-weight:800;line-height:1.4}
  .foot-desc{font-size:13.5px;line-height:1.85;margin:0;max-width:360px;color:rgba(255,255,255,.66)}
  .foot-h{color:#fff;font-size:14px;font-weight:700;margin:0 0 14px}
  .foot-links{display:grid;gap:10px;font-size:13.5px}
  .foot-links a{color:rgba(255,255,255,.72);transition:color .18s var(--ease),transform .18s var(--ease)}
  .foot-links a:hover{color:var(--lime)}
  .foot-contact{font-size:13.5px;line-height:2.1;color:rgba(255,255,255,.72)}
  .foot-contact b{color:#fff;font-weight:600}
  .foot-bottom{
    border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;
    gap:14px;flex-wrap:wrap;padding:18px 0 26px;font-size:12.5px;color:rgba(255,255,255,.55);
  }
  .foot-bottom a{color:var(--lime)}

  /* ===== 响应式 ===== */
  @media (max-width:1279px) and (min-width:1024px){
    :root{--rail:88px}
    .rail-brand{justify-content:center;padding-left:0;padding-right:0}
    .rail-brand-txt,.side-txt,.side-group-label,.rail-note{display:none}
    .side-link{justify-content:center;padding:13px 0}
    .side-link.active::before{top:7px;bottom:7px}
    .rail-cta span{display:none}
    .rail-cta{padding:13px 0;border-radius:var(--r-16)}
  }
  @media (max-width:1023px){
    :root{--rail:0px}
    .site-main{margin-left:0;padding-top:60px}
    .mobile-bar{
      display:flex;position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
      align-items:center;justify-content:space-between;padding:0 16px;
      background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);
      backdrop-filter:blur(8px);
    }
    .mb-brand{display:flex;align-items:center;gap:9px}
    .mb-brand-txt{font-size:15px;font-weight:800;color:var(--ink);white-space:nowrap}
    .mb-toggle{
      width:42px;height:42px;border-radius:var(--r-12);border:1px solid var(--line);
      background:#fff;color:var(--ink);display:grid;place-items:center;font-size:16px;
      transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
    }
    .mb-toggle:hover{border-color:var(--brand);color:var(--brand-deep)}
    .side-rail{
      transform:translateX(-100%);width:82vw;max-width:320px;padding:22px 16px 20px;
      box-shadow:0 0 60px rgba(12,15,20,.35);
    }
    .side-rail.open{transform:translateX(0)}
    .hero-grid{grid-template-columns:1fr;gap:32px}
    .hero-visual{order:-1}
    .zig{grid-template-columns:1fr;gap:28px;padding:32px 0}
    .zig.reverse .zig-media{order:0}
    .stats-wrap{padding:34px 22px}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
    .stat + .stat{border-left:0;padding-left:0}
    .stat{padding:6px 0}
    .quotes{grid-template-columns:1fr}
    .cta-band{grid-template-columns:1fr;gap:30px;padding:32px 22px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px}
  }
  @media (max-width:520px){
    .h1{font-size:27px}
    .h2{font-size:24px}
    .hero-sub,.lead{font-size:15.5px}
    .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
    .stat-num{font-size:32px}
    .acc summary{padding:17px 18px;font-size:15.5px}
    .acc-body{padding:0 18px 20px;font-size:15px}
    .cta-band{padding:26px 18px}
    .form-card{padding:20px}
    .foot-grid{grid-template-columns:1fr}
    .foot-bottom{flex-direction:column}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  }