/* roulang page: index */
:root{
  --c-primary:#0F5A4A;
  --c-primary-600:#0B4638;
  --c-primary-100:#E3EFE9;
  --c-accent:#D9772B;
  --c-accent-100:#FBEBDC;
  --c-bg:#F8F6F1;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A24;
  --c-ink:#17211D;
  --c-ink-2:#55635C;
  --c-line:#E3E7E2;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,90,74,.06);
  --sh-2:0 10px 28px -14px rgba(15,90,74,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.shell{max-width:1200px;margin:0 auto;padding:0 32px}
.app-main{min-height:100vh;display:flex;flex-direction:column}

/* ---------- 顶部移动导航 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;height:60px;
  background:#fff;border-bottom:1px solid var(--c-line);
  align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar-brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;color:var(--c-primary)}
.burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--c-primary);transition:background .2s,border-color .2s;
}
.burger:hover{background:var(--c-primary-100);border-color:var(--c-primary-100)}
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;padding:16px;
  transform:translateY(-102%);transition:transform .3s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;display:grid;place-items:center}
.drawer-nav{margin-top:12px;display:flex;flex-direction:column;gap:4px}
.drawer-item{
  height:48px;display:flex;align-items:center;gap:12px;padding:0 14px;border-radius:10px;
  color:var(--c-ink-2);font-size:16px;transition:background .2s,color .2s;
}
.drawer-item:hover{background:var(--c-primary-100);color:var(--c-primary)}
.drawer-item.is-active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line)}

/* ---------- 左侧竖向导航 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:50;
  background:#fff;border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:22px 16px;
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 16px;border-bottom:1px solid var(--c-line)}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--c-primary);flex:0 0 auto}
.brand-mark i{position:absolute;display:block;border-radius:2px}
.brand-mark i:nth-child(1){width:4px;height:16px;left:11px;top:9px;background:#fff}
.brand-mark i:nth-child(2){width:10px;height:10px;right:7px;top:12px;background:var(--c-accent)}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--c-primary);line-height:1.2}
.sidebar-nav{margin-top:18px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:11px;height:46px;padding:0 13px;
  border-radius:10px;color:var(--c-ink-2);font-size:15px;transition:background .2s,color .2s;
}
.nav-item:hover{background:var(--c-primary-100);color:var(--c-primary)}
.nav-item.is-active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);
}
.nav-ico{width:20px;text-align:center;font-size:15px;flex:0 0 auto}
.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line)}
.sidebar-note{font-size:13px;color:var(--c-ink-2);margin:10px 4px 0;line-height:1.6}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s,background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-accent-100);transform:translateY(-2px)}
.btn-line{background:transparent;color:#EDF5F1;border-color:rgba(237,245,241,.45)}
.btn-line:hover{background:rgba(255,255,255,.12);border-color:#EDF5F1}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 主内容偏移 ---------- */
.app-main{margin-left:0}
@media (min-width:1024px) and (max-width:1279px){
  .sidebar{width:88px;padding:20px 12px;align-items:center}
  .sidebar-brand{padding:2px 0 14px;justify-content:center;width:100%}
  .brand-text{display:none}
  .sidebar-nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:0;width:48px;height:48px}
  .nav-label{display:none}
  .sidebar-foot{width:100%;display:flex;flex-direction:column;align-items:center}
  .sidebar-note{display:none}
  .sidebar-foot .btn{padding:0;width:48px;min-width:0;font-size:0}
  .sidebar-foot .btn i{font-size:16px}
  .app-main{margin-left:88px}
}
@media (min-width:1280px){
  .app-main{margin-left:248px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{display:none}
  .shell{padding:0 16px}
}

/* ---------- Hero ---------- */
.hero{padding:40px 0 0}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){
  .hero{padding:64px 0 0}
  .hero-grid{grid-template-columns:6fr 6fr;gap:48px}
}
.pill-label{
  display:inline-flex;align-items:center;gap:7px;background:var(--c-accent-100);color:#9A5316;
  border:1px solid #F1D3B4;border-radius:999px;padding:5px 13px;font-size:13px;font-weight:600;
}
.hero-title{
  font-size:28px;line-height:1.32;font-weight:800;letter-spacing:-.01em;
  margin:18px 0 0;color:var(--c-ink);
}
@media (min-width:768px){.hero-title{font-size:34px}}
@media (min-width:1024px){.hero-title{font-size:44px;line-height:1.24}}
.hero-sub{font-size:16px;color:var(--c-ink-2);margin:16px 0 0;max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:14px 28px;margin-top:32px;padding-top:22px;border-top:1px solid var(--c-line)}
.trust-item{display:flex;align-items:center;gap:9px}
.trust-ico{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary-100);color:var(--c-primary);
  display:grid;place-items:center;font-size:15px;flex:0 0 auto;
}
.trust-num{font-size:15px;font-weight:700;color:var(--c-ink)}
.trust-cap{font-size:13px;color:var(--c-ink-2)}
.hero-media{position:relative}
.hero-img{width:100%;aspect-ratio:16/13;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.float-card{
  position:absolute;right:14px;bottom:14px;background:rgba(255,255,255,.96);
  border:1px solid var(--c-line);border-radius:14px;padding:12px 14px;max-width:255px;box-shadow:var(--sh-2);
}
.float-card strong{display:block;font-size:14px;color:var(--c-primary);margin-bottom:4px}
.float-card span{display:block;font-size:13px;color:var(--c-ink-2);line-height:1.6}

/* ---------- 通用板块 ---------- */
.sec{padding:56px 0}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec-tight{padding-top:8px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px}
.sec-title{font-size:23px;line-height:1.35;font-weight:800;letter-spacing:-.01em;margin:0}
@media (min-width:768px){.sec-title{font-size:28px}}
.sec-desc{font-size:15px;color:var(--c-ink-2);margin:10px 0 0;max-width:70ch}
.sec-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;transition:color .2s}
.sec-link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.sec-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}

/* ---------- 三步上手 ---------- */
.steps{position:relative;display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:22px}}
.steps::before{
  content:"";position:absolute;left:14%;right:14%;top:50%;border-top:1px dashed var(--c-line);display:none;
}
@media (min-width:1024px){.steps::before{display:block}}
.step-card{
  position:relative;z-index:1;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px 22px;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.step-card:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-2);transform:translateY(-2px)}
.step-no{font-size:34px;font-weight:800;font-style:italic;color:var(--c-accent);line-height:1;letter-spacing:-.02em}
.step-ico{margin-top:14px;font-size:19px;color:var(--c-primary)}
.step-title{font-size:18px;font-weight:700;margin:12px 0 0}
.step-text{font-size:14px;color:var(--c-ink-2);margin:8px 0 0}
.step-time{margin-top:12px;font-size:13px;color:var(--c-ink-2)}
.step-time b{color:var(--c-primary)}

/* ---------- 场景与要点 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media (min-width:1024px){.scene-grid{grid-template-columns:5fr 7fr;gap:48px}}
.scene-img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1)}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.check-item{display:flex;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 18px;transition:border-color .2s,box-shadow .2s}
.check-item:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-1)}
.check-no{
  flex:0 0 auto;width:30px;height:30px;border-radius:999px;background:var(--c-primary-100);
  color:var(--c-primary);font-size:13px;font-weight:700;display:grid;place-items:center;
}
.check-title{font-size:16px;font-weight:700;margin:2px 0 0}
.check-text{font-size:14px;color:var(--c-ink-2);margin:6px 0 0}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--c-line);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{background:#fff;padding:22px 20px}
.stat-num{font-size:26px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em}
.stat-label{font-size:13px;color:var(--c-ink-2);margin-top:6px}

/* ---------- 案例证明 ---------- */
.case-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.case-grid{grid-template-columns:7fr 5fr;gap:24px}}
.case-big,.case-small{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;
}
.case-big:hover,.case-small:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-2);transform:translateY(-2px)}
.case-media{width:100%;object-fit:cover;transition:transform .3s ease}
.case-big .case-media{aspect-ratio:16/9}
.case-small .case-media{aspect-ratio:4/3}
.case-big:hover .case-media,.case-small:hover .case-media{transform:scale(1.03)}
.case-body{padding:20px 22px 22px}
.case-tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--c-primary);
  background:var(--c-primary-100);border-radius:999px;padding:3px 11px;
}
.case-title{font-size:17px;font-weight:700;margin:12px 0 0;color:var(--c-ink);line-height:1.5}
.case-result{font-size:14px;color:var(--c-ink-2);margin:8px 0 0}
.case-arrow{margin-top:14px;font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.case-stack{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px) and (max-width:1023px){.case-stack{grid-template-columns:1fr 1fr}}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
.news-card{
  display:grid;grid-template-columns:1fr;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;transition:border-color .2s,box-shadow .2s,transform .2s;
}
@media (min-width:640px){.news-card{grid-template-columns:190px 1fr}}
.news-card:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-2);transform:translateY(-2px)}
.news-thumb{width:100%;height:100%;min-height:130px;object-fit:cover;aspect-ratio:16/10}
.news-body{padding:18px 20px;display:flex;flex-direction:column;min-width:0}
.news-title{
  font-size:16px;font-weight:700;line-height:1.55;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary)}
.news-excerpt{
  font-size:14px;color:var(--c-ink-2);margin:8px 0 0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;padding-top:14px;
  font-size:13px;color:var(--c-ink-2);
}
.badge{display:inline-block;background:var(--c-accent-100);color:#9A5316;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}
.meta-read{color:var(--c-primary);font-weight:600;margin-left:auto}
.empty-state{
  background:var(--c-primary-100);border-radius:var(--r-card);padding:38px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--c-primary)}
.empty-title{font-size:16px;font-weight:700;margin:14px 0 0;color:var(--c-primary)}
.empty-text{font-size:14px;color:var(--c-ink-2);margin:8px 0 18px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:6px 20px}
.faq{border-bottom:1px solid var(--c-line);box-shadow:none;transition:box-shadow .2s}
.faq:last-child{border-bottom:none}
.faq[open]{box-shadow:inset 3px 0 0 var(--c-primary)}
.faq summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 42px 18px 14px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:20px;line-height:1;color:var(--c-ink-2);transition:transform .2s,color .2s;
}
.faq[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--c-accent)}
.faq summary:hover{color:var(--c-primary)}
.faq-body{padding:0 42px 20px 14px;font-size:15px;color:var(--c-ink-2)}

/* ---------- CTA ---------- */
.cta-section{background:var(--c-dark);color:#E8EFEA;padding:56px 0}
@media (min-width:1024px){.cta-section{padding:88px 0}}
.cta-grid{display:grid;grid-template-columns:1fr;gap:34px;align-items:start}
@media (min-width:1024px){.cta-grid{grid-template-columns:6fr 6fr;gap:56px}}
.cta-title{font-size:24px;font-weight:800;line-height:1.35;margin:0;color:#F3F8F5;letter-spacing:-.01em}
@media (min-width:768px){.cta-title{font-size:32px}}
.cta-desc{font-size:15px;color:#B9CFC6;margin:16px 0 0;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-points{list-style:none;padding:0;margin:26px 0 0;display:grid;gap:10px;font-size:14px;color:#B9CFC6}
.cta-points i{color:var(--c-accent);margin-right:8px}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-2)}
.form-card h3{font-size:17px;font-weight:800;margin:0 0 4px;color:var(--c-ink)}
.form-card p.form-note{font-size:13px;color:var(--c-ink-2);margin:0 0 18px}
.form-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}.form-grid .span-2{grid-column:span 2}}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;padding:0 12px;transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{height:auto;min-height:78px;padding:11px 12px;resize:vertical;line-height:1.6}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:var(--c-primary-100);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#55635C 50%),linear-gradient(135deg,#55635C 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-submit{margin-top:20px}
.form-tip{margin-top:12px;font-size:13px;color:var(--c-primary);min-height:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#E8EFEA;padding:56px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800}
.footer-about{font-size:14px;color:#9FB8AE;margin:14px 0 0;max-width:36ch;line-height:1.8}
.footer-title{font-size:14px;font-weight:700;color:#F3F8F5;margin:0 0 14px}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-link{font-size:14px;color:#9FB8AE;transition:color .2s}
.footer-link:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(232,239,234,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8FA79D;
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* roulang page: article */
:root{
  --c-primary:#0F5A4A;
  --c-primary-600:#0B4638;
  --c-primary-100:#E3EFE9;
  --c-accent:#D9772B;
  --c-accent-100:#FBEBDC;
  --c-bg:#F8F6F1;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A24;
  --c-ink:#17211D;
  --c-ink-2:#55635C;
  --c-line:#E3E7E2;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,90,74,.06);
  --sh-2:0 10px 28px -14px rgba(15,90,74,.28);
  --sidebar:248px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:1.4em;}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
::selection{background:var(--c-primary-100);}

/* ---------- 左侧导航 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar);
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;
  flex-direction:column;
  padding:22px 16px 18px;
  overflow-y:auto;
  z-index:60;
}
.brand{
  display:flex;align-items:center;gap:10px;
  padding:6px 8px 18px;
  text-decoration:none;
  color:var(--c-ink);
}
.brand-mark{
  position:relative;flex:0 0 34px;
  width:34px;height:34px;border-radius:10px;
  background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark i{position:absolute;display:block;height:3px;border-radius:2px;}
.brand-mark i:nth-child(1){width:14px;top:11px;left:10px;background:var(--c-accent);}
.brand-mark i:nth-child(2){width:9px;bottom:11px;left:10px;background:#E8EFEA;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;flex:1 1 auto;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--c-ink-2);
  font-size:14.5px;font-weight:500;
  text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-item:hover{background:var(--c-primary-100);color:var(--c-primary);}
.nav-item:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.nav-item.is-active{background:var(--c-primary-100);color:var(--c-primary);font-weight:700;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.nav-ico{width:18px;text-align:center;font-size:15px;}
.sidebar-foot{
  margin-top:auto;padding-top:16px;
  border-top:1px solid var(--c-line);
  display:flex;flex-direction:column;gap:10px;align-items:center;
}
.side-contact{margin:0;font-size:12.5px;color:var(--c-ink-2);text-align:center;line-height:1.6;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  text-decoration:none;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-600);}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-ghost:hover{background:var(--c-primary-100);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light{background:#FFFFFF;color:var(--c-primary);}
.btn-light:hover{background:var(--c-accent-100);color:#9A4E12;transform:translateY(-2px);}
.btn-line{background:transparent;border-color:rgba(232,239,234,.45);color:#E8EFEA;}
.btn-line:hover{border-color:#E8EFEA;background:rgba(232,239,234,.08);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.btn-side{width:100%;height:44px;font-size:14.5px;}

/* ---------- 主区域 ---------- */
.app{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column;}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.topbar{
  display:none;
  align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  position:sticky;top:0;z-index:50;
}
.topbar .brand{padding:0;gap:8px;}
.topbar .brand-name{font-size:16px;}
.hamburger{
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink);font-size:17px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .18s ease,border-color .18s ease;
}
.hamburger:hover{background:var(--c-primary-100);border-color:var(--c-primary-100);color:var(--c-primary);}
.hamburger:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.scrim{
  position:fixed;inset:0;background:rgba(11,42,36,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55;
}
.scrim.is-open{opacity:1;visibility:visible;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:30px 0 0;
  font-size:13.5px;color:var(--c-ink-2);
}
.breadcrumb a{color:var(--c-ink-2);text-decoration:none;transition:color .18s ease;}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb a:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.crumb-sep{width:1px;height:12px;background:var(--c-line);}

/* ---------- 文章 ---------- */
.post-shell{max-width:820px;margin:0 auto;}
.post-head{padding:22px 0 26px;border-bottom:1px solid var(--c-line);margin-bottom:32px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:var(--c-accent-100);color:#9A4E12;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.post-head h1{
  font-size:34px;line-height:1.35;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 16px;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13.5px;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;
}
.meta-sep{width:1px;height:12px;background:var(--c-line);}

.post-body{font-size:17px;line-height:1.9;color:var(--c-ink);}
.post-body p{margin:0 0 1.2em;}
.post-body h2{
  font-size:24px;line-height:1.45;font-weight:700;letter-spacing:-.01em;
  margin:2em 0 .8em;padding-left:14px;border-left:4px solid var(--c-primary);
}
.post-body h3{font-size:19px;line-height:1.5;font-weight:700;margin:1.6em 0 .6em;}
.post-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.post-body ul,.post-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.post-body li{margin:.42em 0;}
.post-body blockquote{
  margin:1.4em 0;padding:14px 20px;
  background:var(--c-primary-100);
  border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;
  color:var(--c-ink-2);
}
.post-body blockquote p:last-child{margin-bottom:0;}
.post-body img{
  margin:1.8em auto;border-radius:12px;
  box-shadow:var(--sh-1);
}
.post-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.post-body a:hover{color:var(--c-accent);}
.post-body code{
  background:var(--c-primary-100);color:var(--c-primary-600);
  padding:2px 6px;border-radius:6px;font-size:.92em;
}
.post-body pre{
  background:var(--c-dark);color:#E8EFEA;
  padding:16px 18px;border-radius:12px;overflow-x:auto;
  font-size:14px;line-height:1.7;margin:1.4em 0;
}
.post-body pre code{background:none;color:inherit;padding:0;}
.post-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;margin:1.4em 0;
}
.post-body th,.post-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.post-body th{background:var(--c-primary-100);font-weight:700;color:var(--c-primary-600);}
.post-body hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0;}

.empty-state{
  text-align:center;padding:64px 24px;
  background:var(--c-primary-100);
  border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--c-primary);}
.empty-state p{margin:14px 0 20px;font-size:15px;color:var(--c-ink-2);}

/* ---------- 文末模块 ---------- */
.post-foot{margin-top:48px;padding-top:36px;border-top:1px solid var(--c-line);}
.sec-title{
  font-size:18px;font-weight:700;letter-spacing:-.01em;
  margin:0 0 18px;display:flex;align-items:center;gap:10px;
}
.sec-title::after{content:"";flex:1;height:1px;background:var(--c-line);}
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.mini-card{
  display:flex;align-items:center;gap:12px;
  padding:14px;border-radius:14px;
  background:var(--c-surface);border:1px solid var(--c-line);
  text-decoration:none;color:inherit;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--sh-2);}
.mini-card:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.mini-thumb{width:56px;height:56px;flex:0 0 56px;border-radius:10px;object-fit:cover;}
.mini-title{
  font-size:14.5px;font-weight:700;line-height:1.5;margin:0 0 4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-meta{font-size:12px;color:var(--c-ink-2);margin:0;}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:36px;}
.pager-link{
  display:block;padding:18px 20px;border-radius:14px;
  background:var(--c-surface);border:1px solid var(--c-line);
  text-decoration:none;color:inherit;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.pager-link:hover{transform:translateY(-2px);border-color:var(--c-primary);box-shadow:var(--sh-2);}
.pager-link:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.pager-link.next{text-align:right;}
.pager-label{display:block;font-size:12.5px;color:var(--c-ink-2);margin-bottom:6px;}
.pager-title{font-size:15px;font-weight:700;color:var(--c-primary);}

/* ---------- CTA ---------- */
.cta-bar{
  margin:56px 0 72px;
  background:var(--c-dark);
  border-radius:var(--r-img);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
}
.cta-title{font-size:24px;font-weight:800;color:#FFFFFF;letter-spacing:-.01em;line-height:1.4;}
.cta-text{font-size:14.5px;color:#A9BDB5;margin:10px 0 0;max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-dark);color:#E8EFEA;
  padding:56px 0 26px;margin-top:auto;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:800;margin-bottom:14px;color:#FFFFFF;
}
.footer-brand .brand-mark{background:var(--c-primary-600);}
.footer-about{font-size:13.5px;line-height:1.85;color:#A9BDB5;max-width:340px;margin:0;}
.footer-title{font-size:14px;font-weight:700;margin:0 0 14px;color:#FFFFFF;}
.footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-link{font-size:13.5px;color:#A9BDB5;text-decoration:none;transition:color .18s ease;}
a.footer-link:hover{color:var(--c-accent);}
a.footer-link:focus-visible{outline:2px solid var(--c-accent);outline-offset:3px;border-radius:4px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(232,239,234,.14);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#8FA69D;
}

/* ---------- 响应式 ---------- */
@media (min-width:768px) and (max-width:1023.98px){
  .sidebar{width:88px;padding:20px 8px;align-items:center;}
  .sidebar .brand-name,
  .sidebar .nav-label,
  .sidebar .side-cta-text,
  .sidebar .side-contact{display:none;}
  .sidebar .brand{padding:6px 0 18px;justify-content:center;}
  .sidebar .nav-item{justify-content:center;padding:0;width:48px;}
  .sidebar .nav-item.is-active::before{top:8px;bottom:8px;}
  .sidebar .btn-side{width:48px;padding:0;}
  .app{margin-left:88px;}
  .shell{padding:0 24px;}
}
@media (max-width:1023.98px){
  .topbar{display:flex;}
  .sidebar{transform:translateX(-100%);transition:transform .28s ease;box-shadow:var(--sh-2);}
  .sidebar.is-open{transform:translateX(0);}
  .app{margin-left:0;}
}
@media (max-width:768px){
  .shell{padding:0 18px;}
  .post-head h1{font-size:27px;}
  .post-body{font-size:16.5px;}
  .post-body h2{font-size:21px;}
  .post-body h3{font-size:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-bar{padding:32px 26px;margin:44px 0 56px;}
}
@media (max-width:640px){
  .mini-grid{grid-template-columns:1fr;}
}
@media (max-width:540px){
  .post-head h1{font-size:24px;}
  .breadcrumb{padding-top:22px;font-size:13px;}
  .pager{grid-template-columns:1fr;}
  .pager-link.next{text-align:left;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-title{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;min-width:140px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#0F5A4A;
  --c-primary-600:#0B4638;
  --c-primary-100:#E3EFE9;
  --c-accent:#D9772B;
  --c-accent-100:#FBEBDC;
  --c-bg:#F8F6F1;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A24;
  --c-ink:#17211D;
  --c-ink-2:#55635C;
  --c-line:#E3E7E2;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,90,74,.06);
  --sh-2:0 10px 28px -14px rgba(15,90,74,.28);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
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{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px;
}

/* 布局骨架 */
.app{display:flex;min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:40;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;padding:22px 14px;overflow-y:auto;
}
.main{flex:1 1 auto;margin-left:248px;min-width:0;display:flex;flex-direction:column}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* 侧栏品牌 */
.brand{display:flex;align-items:center;gap:11px;padding:4px 10px 18px;border-bottom:1px solid var(--c-line);margin-bottom:16px}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:11px;flex:0 0 auto;
  background:var(--c-primary);display:inline-block;
}
.brand-mark i{position:absolute;background:#fff;border-radius:2px}
.brand-mark i:first-child{width:15px;height:3px;left:9.5px;top:15.5px}
.brand-mark i:last-child{width:3px;height:15px;left:15.5px;top:9.5px}
.brand-name{font-weight:800;font-size:16.5px;letter-spacing:-.01em;color:var(--c-ink)}
.brand-sub{display:block;font-size:12px;color:var(--c-ink-2);font-weight:500;letter-spacing:.02em}

/* 侧栏导航 */
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:12px;color:var(--c-ink-2);font-size:15px;
  transition:background .2s,color .2s,transform .2s;
}
.nav-item:hover{background:#F1F4F0;color:var(--c-ink);transform:translateX(2px)}
.nav-item.is-active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--c-primary);
}
.nav-ico{width:18px;text-align:center;font-size:14px}
.nav-label{white-space:nowrap}

/* 侧栏底部 */
.side-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--c-line);display:flex;flex-direction:column;gap:12px}
.side-note{font-size:13px;line-height:1.65;color:var(--c-ink-2)}
.side-note strong{color:var(--c-ink);font-weight:700}

/* 移动端顶栏与抽屉 */
.mobile-bar{display:none}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,36,.45);z-index:60;
  opacity:0;pointer-events:none;transition:opacity .22s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:330px;z-index:70;
  background:var(--c-surface);padding:20px 16px;display:flex;flex-direction:column;
  gap:6px;transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;
  box-shadow:-18px 0 40px -28px rgba(11,42,36,.5);
}
.drawer.is-open{transform:translateX(0)}
.drawer .nav-item{min-height:48px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink);cursor:pointer;transition:background .2s,border-color .2s;
}
.drawer-close:hover{background:var(--c-primary-100);border-color:var(--c-primary-100)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s,color .2s,border-color .2s,transform .18s,box-shadow .2s;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#C4681F;transform:translateY(-2px);box-shadow:0 10px 24px -14px rgba(217,119,43,.6)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.text-link{
  display:inline-flex;align-items:center;gap:7px;color:var(--c-primary);font-weight:600;font-size:14.5px;
  border-bottom:1px solid transparent;transition:border-color .2s,color .2s;
}
.text-link:hover{border-color:var(--c-primary)}
.text-link i{transition:transform .2s}
.text-link:hover i{transform:translateX(3px)}

/* 通用文字层级 */
.t-h1{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:800;letter-spacing:-.01em}
.t-h2{font-size:clamp(21px,2.2vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.01em}
.t-h3{font-size:18px;line-height:1.5;font-weight:700}
.lead{font-size:17px;line-height:1.75;color:var(--c-ink-2)}
.desc{font-size:15.5px;color:var(--c-ink-2)}
.mono-num{font-variant-numeric:tabular-nums}

.pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:var(--c-accent-100);color:#A95717;border:1px solid rgba(217,119,43,.28);
  font-size:13px;font-weight:600;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--c-primary-100);color:var(--c-primary);font-size:13px;font-weight:600;
}

/* 面包屑 */
.crumb{padding:24px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--c-ink-2)}
.crumb a{transition:color .2s}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{width:1px;height:12px;background:var(--c-line);display:inline-block}
.crumb .now{color:var(--c-ink);font-weight:600}

/* 区块 */
.section{padding:56px 0}
.section-tint{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:780px;margin-bottom:34px}
.section-head .t-h2{margin-bottom:10px}

/* Hero */
.page-hero{padding:40px 0 12px}
.hero-art{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);background:#E9EEE9}
.hero-art img{width:100%;aspect-ratio:16/10;object-fit:cover}
.float-card{
  position:absolute;right:14px;bottom:14px;left:14px;max-width:290px;margin-left:auto;
  background:rgba(255,255,255,.97);border:1px solid var(--c-line);
  border-radius:14px;padding:12px 14px;box-shadow:var(--sh-2);
}
.float-row{display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-2);padding:3px 0}
.float-row b{color:var(--c-ink);font-weight:700}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--c-surface);border:1px solid var(--c-line);font-size:13.5px;color:var(--c-ink-2);
  transition:border-color .2s,box-shadow .2s,color .2s;
}
.trust-chip:hover{border-color:var(--c-primary-100);color:var(--c-ink);box-shadow:var(--sh-1)}
.trust-chip i{color:var(--c-primary)}

/* 图片框 */
.img-frame{border-radius:var(--r-img);overflow:hidden;background:#E9EEE9;box-shadow:var(--sh-1)}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.img-frame:hover img{transform:scale(1.03)}
.ratio-43 img{aspect-ratio:4/3}
.ratio-169 img{aspect-ratio:16/9}
.img-note{margin-top:12px;font-size:13.5px;color:var(--c-ink-2);display:flex;gap:8px;align-items:flex-start}
.img-note i{color:var(--c-accent);margin-top:4px}

/* 编号要点清单 */
.num-list{display:flex;flex-direction:column;gap:14px}
.num-item{
  display:flex;gap:16px;padding:16px 18px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:14px;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.num-item:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-2);transform:translateY(-2px)}
.num-badge{
  flex:0 0 auto;width:42px;height:42px;border-radius:999px;
  background:var(--c-primary-100);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.num-item h3{font-size:16px;font-weight:700;margin-bottom:2px}
.num-item p{font-size:14.8px;color:var(--c-ink-2)}

/* 信息对照表 */
.spec-table{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.spec-row{
  display:grid;grid-template-columns:1fr;gap:4px;padding:16px 20px;
  border-top:1px solid var(--c-line);transition:background .2s;
}
.spec-row:first-child{border-top:0}
.spec-row:hover{background:#FAFBF9}
.spec-label{font-weight:700;color:var(--c-primary);font-size:15px;display:flex;align-items:center;gap:8px}
.spec-val{color:var(--c-ink-2);font-size:15px}
@media(min-width:768px){
  .spec-row{grid-template-columns:200px 1fr;gap:22px;align-items:baseline;padding:18px 24px}
}

/* 对比卡 */
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;height:100%;
  transition:border-color .2s,box-shadow .2s,transform .2s;
}
.compare-card:hover{border-color:var(--c-primary-100);box-shadow:var(--sh-2);transform:translateY(-2px)}
.compare-card.is-after{border-color:rgba(217,119,43,.35);background:#FFFDFA}
.tick-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.tick-list li{position:relative;padding-left:24px;font-size:14.8px;color:var(--c-ink-2)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:var(--c-accent);
}

/* FAQ */
.faq{
  max-width:860px;margin:0 auto;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
}
.faq-item{position:relative;border-top:1px solid var(--c-line)}
.faq-item:first-child{border-top:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);transition:color .2s,background .2s;
}
.faq-q:hover{color:var(--c-primary);background:#FAFBF9}
.faq-item.is-open .faq-q{color:var(--c-primary)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--c-primary);
}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-primary);
  font-size:13px;transition:transform .22s ease,background .2s;
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:var(--c-primary-100);border-color:var(--c-primary-100)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--c-ink-2);max-width:72ch}

/* CTA */
.cta-band{background:var(--c-dark);color:#E8EFEA;border-radius:24px;padding:32px 22px}
@media(min-width:768px){.cta-band{padding:44px 40px}}
@media(min-width:1024px){.cta-band{padding:56px 48px}}
.cta-band .t-h2{color:#fff}
.cta-band .desc{color:#BFD3CB}
.cta-grid{display:grid;gap:32px}
@media(min-width:1024px){.cta-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:start}}
.form-grid{display:grid;gap:16px}
@media(min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
.form-grid .span-2{grid-column:1 / -1}
.field{display:flex;flex-direction:column;gap:8px}
.label{font-size:13.5px;color:#BFD3CB}
.input,.select,.textarea{
  width:100%;background:#0F332C;border:1px solid rgba(232,239,234,.22);color:#E8EFEA;
  border-radius:var(--r-btn);height:46px;padding:0 14px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.6;resize:vertical}
.select{
  appearance:none;-webkit-appearance:none;padding-right:38px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23BFD3CB' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.input::placeholder,.textarea::placeholder{color:#7E9A90}
.input:focus,.select:focus,.textarea:focus{
  outline:none;background:#123B32;border-color:#7FC3AE;
  box-shadow:0 0 0 3px rgba(227,239,233,.16);
}
.form-tip{font-size:13px;color:#9FBDB2;margin-top:4px}
.form-msg{font-size:13.5px;color:#F3C79A;min-height:20px}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#E8EFEA;margin-top:64px;padding:52px 0 26px}
.footer-grid{display:grid;gap:30px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.site-footer .brand-mark{background:transparent;border:1px solid rgba(232,239,234,.4)}
.site-footer .brand-mark i{background:#E8EFEA}
.footer-about{margin-top:14px;font-size:14.5px;color:#9FBDB2;line-height:1.75;max-width:38ch}
.footer-title{font-size:14px;font-weight:600;color:#9FBDB2;letter-spacing:.04em;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:14.5px;color:#D5E3DD;transition:color .2s,padding-left .2s;display:inline-block}
a.footer-link:hover{color:var(--c-accent);padding-left:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(232,239,234,.14);margin-top:36px;padding-top:20px;
  font-size:13px;color:#9FBDB2;
}

/* 响应式断点 */
@media(max-width:1023px){
  .sidebar{display:none}
  .main{margin-left:0}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:50;height:60px;padding:0 18px;
    background:rgba(255,255,255,.96);border-bottom:1px solid var(--c-line);
    backdrop-filter:saturate(140%) blur(6px);
  }
  .mobile-brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:16px}
  .mobile-brand .brand-mark{width:28px;height:28px;border-radius:9px}
  .mobile-brand .brand-mark i:first-child{width:13px;height:3px;left:7.5px;top:12.5px}
  .mobile-brand .brand-mark i:last-child{width:3px;height:13px;left:12.5px;top:7.5px}
  .hamburger{
    width:42px;height:42px;border-radius:11px;border:1px solid var(--c-line);
    background:var(--c-surface);color:var(--c-primary);cursor:pointer;font-size:16px;
    transition:background .2s,border-color .2s;
  }
  .hamburger:hover{background:var(--c-primary-100);border-color:var(--c-primary-100)}
  .shell{padding:0 20px}
}
@media(max-width:639px){
  .shell{padding:0 16px}
  .section{padding:48px 0}
  .t-h1{font-size:clamp(23px,6.4vw,29px)}
  .t-h2{font-size:20px}
  .lead{font-size:15.5px}
  .btn{height:44px;padding:0 18px;font-size:14.5px}
  .cta-band{border-radius:18px;padding:26px 18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#0F5A4A;
  --c-primary-600:#0B4638;
  --c-primary-100:#E3EFE9;
  --c-accent:#D9772B;
  --c-accent-100:#FBEBDC;
  --c-bg:#F8F6F1;
  --c-surface:#FFFFFF;
  --c-dark:#0B2A24;
  --c-ink:#17211D;
  --c-ink-2:#55635C;
  --c-line:#E3E7E2;
  --r-card:16px;
  --r-img:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(15,90,74,.06);
  --sh-2:0 10px 28px -14px rgba(15,90,74,.28);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
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,dl,dd,figure{margin:0}
ul,ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--c-surface);border-right:1px solid var(--c-line);
  z-index:60;display:flex;flex-direction:column;
}
.sidebar-inner{display:flex;flex-direction:column;height:100%;padding:22px 16px 20px;overflow-y:auto}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 22px}
.brand-mark{position:relative;width:34px;height:34px;border-radius:10px;background:var(--c-primary);flex:none;display:inline-block}
.brand-mark i{position:absolute;background:#fff;border-radius:2px}
.brand-mark i:nth-child(1){left:10px;top:15px;width:14px;height:4px}
.brand-mark i:nth-child(2){left:15px;top:10px;width:4px;height:14px}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:-.01em}
.brand-sub{display:block;font-size:11.5px;font-weight:400;color:var(--c-ink-2);letter-spacing:.02em}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-eyebrow{font-size:11.5px;letter-spacing:.14em;color:var(--c-ink-2);padding:6px 10px 8px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:10px;font-size:15px;color:var(--c-ink-2);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-ico{width:18px;text-align:center;font-size:15px;flex:none;opacity:.85}
.nav-item:hover{background:#F1F5F3;color:var(--c-primary)}
.nav-item:hover .nav-ico{opacity:1}
.nav-item.is-active{background:var(--c-primary-100);color:var(--c-primary);font-weight:600}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:999px;background:var(--c-primary);
}
.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line)}
.sidebar-cta{width:100%;justify-content:center}
.sidebar-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- 移动顶栏与抽屉 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:60px;z-index:70;
  background:var(--c-surface);border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;padding:0 16px;
}
.topbar .brand{padding:0}
.hamburger{
  width:44px;height:44px;border:1px solid var(--c-line);border-radius:10px;background:#fff;
  display:grid;place-items:center;cursor:pointer;color:var(--c-primary);transition:background .2s;
}
.hamburger:hover{background:var(--c-primary-100)}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,320px);background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .28s ease;padding:20px 16px;overflow-y:auto;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:#fff;cursor:pointer;color:var(--c-primary)}
.drawer .nav-item{padding:14px;font-size:16px}
.overlay{position:fixed;inset:0;background:rgba(11,42,36,.5);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- 布局 ---------- */
.main{min-height:60vh}
.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1024px){
  .main,.site-footer{margin-left:var(--sidebar-w)}
  .topbar,.drawer,.overlay{display:none!important}
}
@media (max-width:1023.98px){
  .sidebar{display:none}
  .main{padding-top:60px}
}
@media (max-width:767px){
  .shell{padding:0 16px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-100)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:var(--c-accent-100);transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 通栏首屏 ---------- */
.hero-banner{position:relative;overflow:hidden;background:var(--c-dark);color:#fff}
.hero-bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center}
.hero-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,42,36,.88) 0%,rgba(11,42,36,.72) 55%,rgba(11,42,36,.86) 100%)}
.hero-inner{position:relative;z-index:2;padding:76px 0 84px;text-align:center}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.crumbs a{transition:color .2s}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.crumbs .sep{opacity:.45}
.pill{
  display:inline-flex;align-items:center;gap:8px;margin-top:22px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(217,119,43,.16);color:#F3C292;border:1px solid rgba(217,119,43,.45);
}
.hero-title{
  margin:18px auto 16px;max-width:880px;
  font-size:clamp(26px,4vw,42px);line-height:1.24;font-weight:800;letter-spacing:-.01em;
}
.hero-lead{margin:0 auto;max-width:660px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:40px;text-align:left}
.hstat{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:14px 18px}
.hstat b{display:block;font-size:21px;font-weight:800;color:#fff}
.hstat span{font-size:12.5px;color:rgba(255,255,255,.7)}

/* ---------- 板块 ---------- */
.section{padding:78px 0}
.section.alt{background:#F2F5F2}
.section-head{max-width:740px;margin-bottom:34px}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--c-accent)}
.sec-title{margin:10px 0 12px;font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em}
.sec-desc{font-size:15.5px;line-height:1.85;color:var(--c-ink-2)}
.sec-desc strong{color:var(--c-primary);font-weight:700}

/* 导语图文 */
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.intro-figure{border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--c-line);background:#fff}
.intro-figure img{width:100%;height:300px;object-fit:cover}
.intro-text p{font-size:15.5px;line-height:1.9;color:var(--c-ink-2);margin-top:12px}
.intro-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;font-size:13px;font-weight:600;background:var(--c-primary-100);color:var(--c-primary)}
.tag.accent{background:var(--c-accent-100);color:#A9571B}

/* 对照表 */
.spec-table{
  border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);
  box-shadow:var(--sh-1);overflow:hidden;
}
.spec-head{
  display:grid;grid-template-columns:200px 1fr;gap:20px;padding:14px 22px;
  background:var(--c-primary);color:#EAF3EF;font-size:13px;font-weight:700;letter-spacing:.06em;
}
.spec-row{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:17px 22px;border-top:1px solid var(--c-line);align-items:start;transition:background .2s ease}
.spec-row:hover{background:#F8FAF9}
.spec-label{font-size:14.5px;font-weight:700;color:var(--c-primary)}
.spec-value{font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}
.spec-value em{font-style:normal;font-weight:700;color:var(--c-ink)}

/* 对比卡 */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.compare-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.compare-card.is-good{border-color:#BFDCCF;background:linear-gradient(180deg,#FFFFFF 0%,#F4FAF7 100%)}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.compare-card h3 i{color:var(--c-primary)}
.compare-card.is-plain h3 i{color:#9AA6A0}
.compare-note{font-size:13.5px;color:var(--c-ink-2);margin-top:6px}
.check-list{margin-top:16px}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--c-line);font-size:14.5px;line-height:1.8;color:var(--c-ink-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{font-size:13px;margin-top:5px;flex:none;color:var(--c-primary)}
.compare-card.is-plain .check-list i{color:#A9B4AE}

/* 步骤表 */
.step-table{border:1px solid var(--c-line);border-radius:var(--r-card);background:var(--c-surface);box-shadow:var(--sh-1);overflow:hidden}
.step-row{
  display:grid;grid-template-columns:72px 1fr 118px;gap:20px;padding:20px 24px;
  border-top:1px solid var(--c-line);align-items:start;transition:background .2s ease;
}
.step-row:first-child{border-top:0}
.step-row:hover{background:#F8FAF9}
.step-num{font-size:24px;font-style:italic;font-weight:800;color:var(--c-accent);line-height:1.25}
.step-title{font-size:16px;font-weight:700;margin-bottom:4px}
.step-text{font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}
.step-time{font-size:13px;color:var(--c-ink-2);text-align:right;white-space:nowrap;padding-top:3px}
.step-time b{display:block;font-size:14px;color:var(--c-primary)}

/* 排查表 */
.fix-list{display:flex;flex-direction:column;gap:12px}
.fix-item{
  display:grid;grid-template-columns:250px 1fr;gap:22px;align-items:start;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:14px;
  padding:18px 22px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.fix-item:hover{border-color:#CBE0D5;box-shadow:var(--sh-2)}
.fix-label{display:flex;align-items:flex-start;gap:10px;font-size:15px;font-weight:700;color:var(--c-ink)}
.fix-label i{color:var(--c-accent);margin-top:5px;flex:none;font-size:13px}
.fix-text{font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq details{border-top:1px solid var(--c-line)}
.faq details:first-child{border-top:0}
.faq summary{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px 18px 24px;cursor:pointer;list-style:none;font-size:15.5px;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:#F1F5F3;color:var(--c-primary)}
.faq details[open] summary{color:var(--c-primary)}
.faq details[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 999px 999px 0;background:var(--c-primary);
}
.faq-ico{
  flex:none;width:24px;height:24px;border-radius:999px;border:1px solid var(--c-line);
  display:grid;place-items:center;font-size:11px;color:var(--c-primary);
  transition:transform .22s ease,background .22s ease;
}
.faq details[open] .faq-ico{transform:rotate(45deg);background:var(--c-primary-100)}
.faq-body{padding:0 22px 20px 24px;font-size:14.8px;line-height:1.9;color:var(--c-ink-2)}

/* CTA */
.cta-band{background:linear-gradient(180deg,#0B2A24 0%,#0F3229 100%);color:#E8EFEA;padding:68px 0}
.cta-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:44px;align-items:center}
.cta-title{font-size:27px;line-height:1.35;font-weight:800;letter-spacing:-.01em;color:#fff}
.cta-desc{margin-top:12px;font-size:15.5px;line-height:1.9;color:rgba(232,239,234,.82);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-list{display:flex;flex-direction:column;gap:12px}
.cta-list li{
  display:flex;align-items:flex-start;gap:10px;padding:13px 16px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);font-size:14.5px;line-height:1.75;
}
.cta-list i{color:var(--c-accent);margin-top:5px;flex:none;font-size:13px}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#E8EFEA;padding:58px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.site-footer .brand-mark{background:var(--c-primary-100)}
.site-footer .brand-mark i{background:var(--c-primary)}
.footer-about{margin-top:14px;max-width:330px;font-size:14px;line-height:1.85;color:rgba(232,239,234,.74)}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px;color:#fff}
.footer-list{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(232,239,234,.78)}
.footer-link{color:rgba(232,239,234,.78);transition:color .2s ease,text-underline-offset .2s ease}
a.footer-link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(232,239,234,.14);
  font-size:13px;color:rgba(232,239,234,.62);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023.98px){
  .hero-inner{padding:60px 0 68px}
  .section{padding:66px 0}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .intro-figure img{height:260px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
  .compare-grid{grid-template-columns:1fr}
  .fix-item{grid-template-columns:1fr;gap:8px}
  .spec-head{display:none}
}
@media (max-width:640px){
  .hero-inner{padding:48px 0 56px}
  .hero-lead{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr;gap:10px;margin-top:30px}
  .section{padding:54px 0}
  .sec-title{font-size:22px}
  .spec-row{grid-template-columns:1fr;gap:6px;padding:15px 18px}
  .step-row{grid-template-columns:46px 1fr;gap:14px;padding:18px}
  .step-num{font-size:20px}
  .step-time{grid-column:2;text-align:left;padding-top:0;margin-top:2px}
  .cta-band{padding:52px 0}
  .cta-title{font-size:22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .btn{width:100%}
  .hero-actions .btn{width:auto;flex:1 1 auto;min-width:150px}
}

/* roulang page: category3 */
:root{
    --c-primary:#0F5A4A;
    --c-primary-600:#0B4638;
    --c-primary-100:#E3EFE9;
    --c-accent:#D9772B;
    --c-accent-100:#FBEBDC;
    --c-bg:#F8F6F1;
    --c-surface:#FFFFFF;
    --c-dark:#0B2A24;
    --c-ink:#17211D;
    --c-ink-2:#55635C;
    --c-line:#E3E7E2;
    --r-card:16px;
    --r-img:20px;
    --r-btn:10px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(15,90,74,.06);
    --sh-2:0 10px 28px -14px rgba(15,90,74,.28);
    --sidebar-w:248px;
    --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--c-bg);
    color:var(--c-ink);
    font-family:var(--font-sans);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  a{color:inherit;text-decoration:none}
  img{display:block;max-width:100%}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0}
  h1,h2,h3,h4,p{margin:0}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

  /* ============ 布局骨架 ============ */
  .app{min-height:100vh}
  .sidebar{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--sidebar-w);
    background:var(--c-surface);
    border-right:1px solid var(--c-line);
    display:flex;
    flex-direction:column;
    z-index:60;
  }
  .main-col{
    margin-left:var(--sidebar-w);
    min-height:100vh;
    display:flex;
    flex-direction:column;
  }
  .shell{
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 32px;
  }

  /* ============ 品牌与侧栏 ============ */
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em}
  .brand-mark{
    position:relative;flex:none;
    width:34px;height:34px;border-radius:10px;
    background:var(--c-primary);
    display:grid;place-items:center;
  }
  .brand-mark i{position:absolute;display:block;border-radius:2px;background:#fff}
  .brand-mark i:first-child{width:15px;height:3px}
  .brand-mark i:last-child{width:3px;height:15px;background:var(--c-accent)}
  .sidebar-head{padding:22px 20px 18px;border-bottom:1px solid var(--c-line)}
  .sidebar-note{margin-top:8px;font-size:12.5px;color:var(--c-ink-2);letter-spacing:.02em}
  .sidebar-nav{
    flex:1;
    display:flex;flex-direction:column;gap:6px;
    padding:18px 14px;
    overflow-y:auto;
  }
  .nav-item{
    position:relative;
    display:flex;align-items:center;gap:10px;
    padding:11px 12px;
    border-radius:10px;
    font-size:14.5px;font-weight:500;
    color:var(--c-ink-2);
    transition:background .18s,color .18s,box-shadow .18s;
  }
  .nav-item:hover{background:var(--c-primary-100);color:var(--c-primary)}
  .nav-item.is-active{
    background:var(--c-primary-100);
    color:var(--c-primary-600);
    font-weight:700;
    box-shadow:inset 3px 0 0 var(--c-primary);
  }
  .nav-ico{width:18px;text-align:center;font-size:15px}
  .sidebar-foot{padding:16px;border-top:1px solid var(--c-line)}
  .sidebar-contact{margin-top:10px;font-size:12.5px;line-height:1.7;color:var(--c-ink-2)}

  /* ============ 移动端顶栏与抽屉 ============ */
  .topbar{
    display:none;
    position:sticky;top:0;z-index:70;
    height:60px;align-items:center;justify-content:space-between;
    padding:0 16px;
    background:rgba(255,255,255,.96);
    border-bottom:1px solid var(--c-line);
    backdrop-filter:blur(8px);
  }
  .hamburger{
    width:42px;height:42px;border-radius:10px;
    border:1px solid var(--c-line);background:#fff;
    color:var(--c-primary);font-size:17px;cursor:pointer;
    transition:background .18s,border-color .18s;
  }
  .hamburger:hover{background:var(--c-primary-100);border-color:var(--c-primary-100)}
  .drawer{position:fixed;inset:0;z-index:90;display:none}
  .drawer.is-open{display:block}
  .drawer-mask{position:absolute;inset:0;background:rgba(11,42,36,.55)}
  .drawer-panel{
    position:absolute;top:0;right:0;
    width:min(330px,88vw);height:100%;
    background:#fff;padding:16px;
    display:flex;flex-direction:column;gap:4px;
    overflow-y:auto;
    box-shadow:-10px 0 40px -20px rgba(11,42,36,.5);
  }
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 14px;border-bottom:1px solid var(--c-line);margin-bottom:10px}
  .icon-btn{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--c-line);
    background:#fff;color:var(--c-ink-2);cursor:pointer;transition:background .18s,color .18s;
  }
  .icon-btn:hover{background:var(--c-primary-100);color:var(--c-primary)}
  .drawer-item{
    height:48px;display:flex;align-items:center;gap:10px;
    padding:0 12px;border-radius:10px;
    font-size:15px;color:var(--c-ink-2);
    transition:background .18s,color .18s;
  }
  .drawer-item:hover{background:var(--c-primary-100);color:var(--c-primary)}
  .drawer-item.is-active{background:var(--c-primary-100);color:var(--c-primary-600);font-weight:700}
  .drawer-cta{margin-top:14px;width:100%;justify-content:center}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 20px;
    border-radius:var(--r-btn);
    font-size:15px;font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s,background .18s,color .18s,border-color .18s,box-shadow .18s;
  }
  .btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--c-primary-600);transform:translateY(-2px);box-shadow:var(--sh-2)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
  .btn-ghost:hover{background:var(--c-primary-100)}
  .btn-ghost:active{background:var(--c-primary-100);transform:translateY(0)}
  .btn-accent{background:var(--c-accent);color:#fff}
  .btn-accent:hover{background:#bd6521;transform:translateY(-2px);box-shadow:0 10px 28px -14px rgba(217,119,43,.6)}
  .btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
  .link-more{
    display:inline-flex;align-items:center;gap:6px;
    font-size:14px;font-weight:600;color:var(--c-primary);
  }
  .link-more:hover{text-decoration:underline;text-underline-offset:3px}

  /* ============ 面包屑 ============ */
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:24px 0 0;font-size:13px;color:var(--c-ink-2)}
  .crumb a{transition:color .18s}
  .crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
  .crumb .sep{width:1px;height:12px;background:var(--c-line)}

  /* ============ Hero ============ */
  .hero{padding:26px 0 0}
  .hero-card{
    position:relative;
    border-radius:24px;
    border:1px solid var(--c-line);
    background:#fff url("/assets/images/backpic/back-3.webp") center right/cover no-repeat;
    overflow:hidden;
    box-shadow:var(--sh-1);
  }
  .hero-card::before{
    content:"";position:absolute;inset:0;
    background:linear-gradient(96deg,#F8F6F1 0%,rgba(248,246,241,.96) 44%,rgba(248,246,241,.66) 68%,rgba(248,246,241,.3) 100%);
  }
  .hero-inner{
    position:relative;z-index:1;
    display:grid;grid-template-columns:1.12fr .88fr;gap:40px;
    padding:46px 44px;
  }
  .tag-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    background:var(--c-accent-100);color:#9c5416;
    border:1px solid rgba(217,119,43,.35);
    font-size:13px;font-weight:600;
  }
  .hero h1{
    margin:18px 0 14px;
    font-size:clamp(26px,3.1vw,38px);
    line-height:1.28;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .hero-sub{color:var(--c-ink-2);font-size:16px;max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .trust{display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:28px 0 0}
  .trust li{
    display:flex;align-items:center;gap:8px;
    padding:8px 14px;border-radius:var(--r-pill);
    background:rgba(255,255,255,.86);
    border:1px solid var(--c-line);
    font-size:13.5px;color:var(--c-ink-2);
  }
  .trust i{color:var(--c-primary);font-size:14px}
  .trust strong{color:var(--c-ink);font-weight:700;font-variant-numeric:tabular-nums}

  .panel{
    background:rgba(255,255,255,.96);
    border:1px solid var(--c-line);
    border-radius:var(--r-img);
    padding:20px;
    box-shadow:var(--sh-1);
  }
  .panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:14px}
  .panel-title{
    margin:16px 0 8px;font-size:14px;font-weight:700;color:var(--c-primary-600);
    letter-spacing:.02em;
  }
  .panel-row{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:10px 0;border-bottom:1px dashed var(--c-line);
    font-size:14px;color:var(--c-ink-2);
  }
  .panel-row:last-child{border-bottom:0;padding-bottom:0}
  .panel-num{font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;white-space:nowrap}

  /* ============ 板块 ============ */
  .sec{padding-top:96px}
  .sec-head{max-width:720px}
  .sec-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:13px;font-weight:700;letter-spacing:.1em;
    color:var(--c-accent);
  }
  .sec-title{margin:10px 0 12px;font-size:clamp(21px,2.2vw,26px);line-height:1.35;font-weight:800;letter-spacing:-.01em}
  .sec-desc{color:var(--c-ink-2);font-size:15.5px}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;display:flex;flex-direction:column;gap:20px;margin-top:34px}
  .timeline::before{
    content:"";position:absolute;left:23px;top:14px;bottom:14px;
    border-left:2px dashed rgba(15,90,74,.26);
  }
  .tl-item{position:relative;padding-left:64px}
  .tl-node{
    position:absolute;left:0;top:0;
    width:48px;height:48px;border-radius:14px;
    background:#fff;border:1px solid var(--c-line);
    display:grid;place-items:center;
    font-weight:800;font-size:15px;color:var(--c-primary);
    font-variant-numeric:tabular-nums;
    box-shadow:var(--sh-1);
  }
  .tl-body{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:20px 22px;
    box-shadow:var(--sh-1);
    transition:transform .2s,box-shadow .2s,border-color .2s;
  }
  .tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-100)}
  .tl-title{
    display:flex;align-items:center;gap:10px;flex-wrap:wrap;
    font-size:18px;font-weight:700;letter-spacing:-.01em;
  }
  .tl-text{margin-top:8px;color:var(--c-ink-2);font-size:15px}
  .chip{
    display:inline-flex;align-items:center;
    padding:4px 12px;border-radius:var(--r-pill);
    background:var(--c-primary-100);color:var(--c-primary-600);
    font-size:12.5px;font-weight:600;
  }
  .chip-accent{background:var(--c-accent-100);color:#9c5416}

  /* ============ 折叠面板 ============ */
  .acc{margin-top:14px;border-top:1px solid var(--c-line)}
  .acc-item{border-bottom:1px solid var(--c-line)}
  .acc-sum{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding:13px 0 13px 0;
    font-size:14.5px;font-weight:600;color:var(--c-ink);
    cursor:pointer;list-style:none;
    transition:color .18s,padding .18s,box-shadow .18s;
  }
  .acc-sum::-webkit-details-marker{display:none}
  .acc-sum:hover{color:var(--c-primary)}
  .acc-sum .ico{
    flex:none;width:22px;height:22px;border-radius:50%;
    border:1px solid var(--c-line);
    display:grid;place-items:center;
    color:var(--c-primary);font-size:11px;
    transition:transform .2s,border-color .2s,background .2s;
  }
  details[open] > .acc-sum{color:var(--c-primary);padding-left:12px;box-shadow:inset 3px 0 0 var(--c-primary)}
  details[open] > .acc-sum .ico{transform:rotate(45deg);background:var(--c-primary-100);border-color:var(--c-primary-100)}
  .acc-body{padding:2px 0 16px;color:var(--c-ink-2);font-size:14.5px}
  details[open] > .acc-body{padding-left:12px}
  .acc-body ul{padding-left:18px}
  .acc-body li{margin:4px 0}

  /* ============ 表格 ============ */
  .table-wrap{
    margin-top:30px;
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    box-shadow:var(--sh-1);
    overflow-x:auto;
  }
  table.rate{width:100%;min-width:640px;border-collapse:collapse}
  .rate th{
    background:var(--c-primary-100);
    color:var(--c-primary-600);
    text-align:left;font-size:13.5px;font-weight:700;letter-spacing:.02em;
    padding:14px 18px;
    white-space:nowrap;
  }
  .rate td{
    padding:14px 18px;
    border-top:1px solid var(--c-line);
    font-size:14.5px;color:var(--c-ink-2);
  }
  .rate td:first-child{color:var(--c-ink);font-weight:600;white-space:nowrap}
  .rate tbody tr:hover{background:#FBFCFA}

  /* ============ 自查卡片 ============ */
  .check-grid{
    display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:32px;
  }
  .check-card{
    background:var(--c-surface);
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    padding:24px;
    box-shadow:var(--sh-1);
    transition:transform .2s,box-shadow .2s,border-color .2s;
  }
  .check-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary-100)}
  .check-num{
    display:inline-flex;align-items:center;
    font-size:13px;font-weight:800;letter-spacing:.14em;
    color:var(--c-accent);
    font-variant-numeric:tabular-nums;
  }
  .check-card h3{margin:10px 0 8px;font-size:17px;font-weight:700;letter-spacing:-.01em}
  .check-card p{color:var(--c-ink-2);font-size:14.5px}
  .check-media{
    border:1px solid var(--c-line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--sh-1);
    min-height:210px;
  }
  .check-media img{width:100%;height:100%;min-height:210px;object-fit:cover;transition:transform .35s ease}
  .check-media:hover img{transform:scale(1.03)}

  /* ============ FAQ ============ */
  .faq{max-width:860px;margin-top:28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:6px 22px;box-shadow:var(--sh-1)}
  .faq .acc{margin-top:0;border-top:0}

  /* ============ CTA ============ */
  .cta{
    position:relative;
    margin-top:96px;
    background:var(--c-dark);
    color:#E8EFEA;
    border-radius:24px;
    padding:46px 44px;
    display:grid;grid-template-columns:1fr 1fr;gap:44px;
    overflow:hidden;
  }
  .cta::after{
    content:"";position:absolute;right:-60px;bottom:-60px;
    width:260px;height:260px;border-radius:50%;
    border:1px dashed rgba(232,239,234,.18);
  }
  .cta h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:800;letter-spacing:-.01em;color:#fff}
  .cta p{margin-top:14px;font-size:15px;color:rgba(232,239,234,.76);max-width:460px}
  .cta-points{list-style:none;padding:0;margin:22px 0 0;display:flex;flex-direction:column;gap:10px}
  .cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(232,239,234,.86)}
  .cta-points i{color:var(--c-accent);margin-top:5px;font-size:13px}
  .cta-form{position:relative;z-index:1}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
  .field{margin-bottom:14px}
  .field label{display:block;font-size:13.5px;font-weight:600;color:rgba(232,239,234,.9);margin-bottom:6px}
  .field input,.field select,.field textarea{
    width:100%;
    border-radius:var(--r-btn);
    border:1px solid rgba(232,239,234,.24);
    background:rgba(255,255,255,.08);
    color:#fff;
    padding:0 14px;
    height:46px;
    transition:border-color .18s,background .18s,box-shadow .18s;
  }
  .field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:88px;line-height:1.7}
  .field input::placeholder,.field textarea::placeholder{color:rgba(232,239,234,.45)}
  .field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23E8EFEA' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
  .field select option{color:#17211D}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--c-accent);
    background:rgba(255,255,255,.14);
    box-shadow:0 0 0 3px rgba(217,119,43,.28);
  }
  .form-note{
    margin-top:14px;font-size:14px;color:#fff;
    background:rgba(217,119,43,.22);
    border:1px solid rgba(217,119,43,.5);
    border-radius:var(--r-btn);
    padding:11px 14px;
  }

  /* ============ 页脚 ============ */
  .site-footer{margin-top:104px;background:var(--c-dark);color:#E8EFEA}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 34px}
  .footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px}
  .site-footer .brand-mark{background:#fff}
  .site-footer .brand-mark i:first-child{background:var(--c-primary)}
  .site-footer .brand-mark i:last-child{background:var(--c-accent)}
  .footer-about{margin:0;font-size:14px;line-height:1.8;color:rgba(232,239,234,.7);max-width:330px}
  .footer-title{margin:0 0 14px;font-size:14px;font-weight:700;color:#fff}
  .footer-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
  .footer-link{font-size:14px;color:rgba(232,239,234,.7);transition:color .18s}
  a.footer-link:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
  .footer-bottom{
    display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
    padding:18px 0 30px;
    border-top:1px solid rgba(232,239,234,.14);
    font-size:13px;color:rgba(232,239,234,.6);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1279px){
    .hero-inner{padding:40px 34px;gap:32px}
    .cta{padding:40px 34px;gap:34px}
  }
  @media (max-width:1023px){
    .sidebar{display:none}
    .main-col{margin-left:0}
    .topbar{display:flex}
    .shell{padding:0 20px}
    .sec{padding-top:74px}
    .cta{margin-top:74px}
    .site-footer{margin-top:74px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:44px 0 28px}
  }
  @media (max-width:900px){
    .hero-inner{grid-template-columns:1fr;padding:34px 26px}
    .hero-card::before{background:linear-gradient(180deg,#F8F6F1 0%,rgba(248,246,241,.95) 58%,rgba(248,246,241,.7) 100%)}
    .cta{grid-template-columns:1fr;padding:34px 26px}
  }
  @media (max-width:767px){
    body{font-size:15.5px}
    .sec{padding-top:56px}
    .cta{margin-top:56px;border-radius:20px}
    .site-footer{margin-top:56px}
    .hero-card{border-radius:20px}
    .timeline::before{left:19px}
    .tl-item{padding-left:56px}
    .tl-node{width:40px;height:40px;border-radius:12px;font-size:13.5px}
    .tl-body{padding:18px}
    .check-grid{grid-template-columns:1fr}
    .faq{padding:4px 16px}
    .form-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;padding:38px 0 24px}
    .footer-bottom{flex-direction:column;gap:8px}
  }
  @media (max-width:520px){
    .shell{padding:0 16px}
    .hero-inner{padding:28px 18px}
    .hero-actions .btn{width:100%}
    .trust li{width:100%}
    .table-wrap{margin-top:22px}
    .cta{padding:28px 18px}
  }