/* roulang page: index */
:root{
  --ink:#16201C;
  --ink-2:#5A6660;
  --deep:#0E2A23;
  --deep-2:#143D31;
  --lime:#B8F04A;
  --brick:#B23A2F;
  --sand:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3DFD5;
  --line-dark:rgba(255,255,255,.14);
  --r-lg:16px;
  --r-md:12px;
  --shadow-1:0 2px 8px rgba(14,42,35,.06);
  --shadow-2:0 10px 24px rgba(14,42,35,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--sand);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.28;margin:0}
p{margin:0 0 1.15em;text-align:left}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background .18s ease-out}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0 0 1.15em;padding-left:1.25em}
li{margin-bottom:.4em}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-site{padding:0 32px}}
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:96px 0}}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 0}
.site-header.is-scrolled .nav-panel{box-shadow:0 12px 30px rgba(14,42,35,.22)}
.nav-panel{
  background:var(--deep);
  border-radius:20px;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px 10px 16px;
  border:1px solid rgba(255,255,255,.07);
}
.logo{display:flex;align-items:center;gap:10px;flex:none;color:#fff}
.logo-mark{width:28px;height:28px;border-radius:9px;background:var(--lime);position:relative;flex:none}
.logo-mark::before{content:"";position:absolute;inset:0;border-radius:9px;background:var(--lime)}
.logo-mark::after{content:"";position:absolute;left:7px;top:8px;width:14px;height:7px;border-radius:3px;background:var(--deep);transform:skewY(-9deg)}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.logo-sub{display:block;font-size:11px;font-weight:400;color:rgba(255,255,255,.55);letter-spacing:.06em;line-height:1.2}
.nav-links{display:none;align-items:center;gap:8px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.86);
  font-size:14px;position:relative;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link svg{width:16px;height:16px;flex:none;opacity:.85}
.nav-link:hover{background:rgba(255,255,255,.14);color:#fff}
.nav-link.is-active{background:var(--deep-2);color:#fff}
.nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--lime)}
.nav-cta{display:none}
.nav-toggle{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.14)}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-cta{display:inline-flex}
  .nav-toggle{display:none}
}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(9,26,21,.55);opacity:0;pointer-events:none;transition:opacity .18s ease-out;z-index:80}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:var(--deep);z-index:90;transform:translateX(105%);
  transition:transform .18s ease-out;display:flex;flex-direction:column;
  padding:18px 16px;border-left:1px solid var(--line-dark);
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;cursor:pointer}
.drawer-close:hover{background:rgba(255,255,255,.12)}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:56px;padding:0 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);color:#fff;font-size:15px;
}
.drawer-link:hover{background:rgba(255,255,255,.14)}
.drawer-link.is-active{background:var(--deep-2);box-shadow:inset 3px 0 0 var(--lime)}
.drawer-foot{margin-top:auto;padding-top:18px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;cursor:pointer;border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--lime);color:var(--deep)}
.btn-primary:hover{background:#A8E23C;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:var(--deep);color:var(--deep)}
.btn-ghost:hover{background:var(--deep);color:#fff}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:#fff;color:var(--deep);border-color:#fff}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--deep);border-bottom:2px solid var(--deep);padding-bottom:2px;line-height:1.4}
.btn-text:hover{color:var(--brick);border-color:var(--brick)}
.btn-block{width:100%}
@media (min-width:768px){.btn-block{width:auto}}

/* ---------- 通用 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--lime);font-weight:600}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);border-radius:2px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1}
.badge-brick{background:rgba(178,58,47,.12);color:var(--brick)}
.badge-deep{background:rgba(14,42,35,.08);color:var(--deep);border:1px solid rgba(14,42,35,.18)}
.badge-lime{background:rgba(184,240,74,.2);color:#3E5A12}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.sec-title{font-size:22px}
@media (min-width:1024px){.sec-title{font-size:26px}}
.sec-desc{color:var(--ink-2);font-size:15px;max-width:640px;margin-top:10px}
.sec-kicker{font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brick);margin-bottom:10px;display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-1)}
.section-dark{background:var(--deep);color:#fff}
.section-dark .sec-title,.section-dark h2,.section-dark h3{color:#fff}
.section-dark .sec-desc{color:rgba(255,255,255,.68)}
.section-dark p{color:rgba(255,255,255,.72)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);padding:44px 0 56px;color:#fff}
@media (min-width:1024px){.hero{padding:76px 0 92px}}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.6}
.hero-mask{position:absolute;inset:0;background:linear-gradient(104deg,rgba(14,42,35,.95) 0%,rgba(14,42,35,.74) 52%,rgba(14,42,35,.9) 100%)}
.hero-inner{position:relative;display:grid;gap:34px}
@media (min-width:1024px){.hero-inner{grid-template-columns:1fr 1fr;gap:48px;align-items:center}}
.hero h1{font-size:27px;line-height:1.3;color:#fff;margin:16px 0 14px}
@media (min-width:1024px){.hero h1{font-size:36px;line-height:1.25}}
.hero-sub{font-size:15px;color:rgba(255,255,255,.78);max-width:520px;margin-bottom:24px}
@media (min-width:1024px){.hero-sub{font-size:16px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:0}
.hero-tags li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.12);color:rgba(255,255,255,.86);border-radius:999px;padding:6px 14px;font-size:12.5px;line-height:1.6}
.board{position:relative;background:var(--card);border-radius:20px;padding:22px 20px 18px;color:var(--ink);box-shadow:0 18px 44px rgba(0,0,0,.24)}
.board-badge{position:absolute;top:14px;right:14px;background:rgba(178,58,47,.12);color:var(--brick);border-radius:999px;font-size:12px;font-weight:600;padding:4px 10px;line-height:1.4}
.board-head{font-size:13px;color:var(--ink-2);font-weight:600;margin-bottom:14px}
.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.board-cell{background:var(--sand);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px}
.board-label{display:block;font-size:12px;color:var(--ink-2);margin-bottom:4px}
.board-num{font-size:26px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--deep)}
.board-unit{font-size:12px;color:var(--ink-2);margin-left:4px;font-weight:400}
.board-trend{margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.board-trend-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2);margin-bottom:8px}
.bars{display:flex;align-items:flex-end;gap:6px;height:44px}
.bars span{flex:1;border-radius:4px 4px 2px 2px;background:linear-gradient(180deg,#B8F04A,#8FCC2E)}
.bars span:nth-child(1){height:36%}
.bars span:nth-child(2){height:52%}
.bars span:nth-child(3){height:44%}
.bars span:nth-child(4){height:68%}
.bars span:nth-child(5){height:80%}
.bars span:nth-child(6){height:62%}
.bars span:nth-child(7){height:92%}

/* ---------- 指标卡 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
@media (min-width:768px){.metric-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.metric-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 18px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.metric-card:hover{transform:translateY(-2px);border-color:var(--deep);box-shadow:var(--shadow-2)}
.metric-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:10px}
.metric-label{font-size:12.5px;color:var(--ink-2);font-weight:600}
.metric-arrow{font-size:12.5px;font-weight:700;display:inline-flex;align-items:center;gap:4px}
.metric-arrow.up{color:#5C8A18}
.metric-arrow.down{color:var(--brick)}
.metric-value{font-size:32px;font-weight:700;line-height:1.15;font-variant-numeric:tabular-nums;color:var(--deep);letter-spacing:-.02em}
@media (min-width:1024px){.metric-value{font-size:38px}}
.metric-value small{font-size:14px;font-weight:400;color:var(--ink-2);margin-left:4px}
.metric-note{font-size:13.5px;color:var(--ink-2);margin-top:8px;line-height:1.7}

/* ---------- 服务矩阵 ---------- */
.matrix-wrap{display:grid;gap:28px}
@media (min-width:1024px){.matrix-wrap{grid-template-columns:4fr 8fr;gap:40px;align-items:start}}
.matrix-intro{position:static}
@media (min-width:1024px){.matrix-intro{position:sticky;top:104px}}
.matrix-grid{display:grid;gap:20px}
@media (min-width:768px){.matrix-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.matrix-card{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column;transition:background .18s ease-out,transform .18s ease-out,border-color .18s ease-out}
.matrix-card:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);border-color:rgba(255,255,255,.24)}
.matrix-media{aspect-ratio:16/9;overflow:hidden;background:var(--deep-2)}
.matrix-media img{width:100%;height:100%;object-fit:cover}
.matrix-body{padding:20px}
.matrix-icon{width:36px;height:36px;color:var(--lime);margin-bottom:12px}
.matrix-card h3{font-size:18px;margin-bottom:8px}
.matrix-card p{font-size:14px;color:rgba(255,255,255,.68);margin-bottom:14px;line-height:1.8}
.matrix-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:700;color:var(--lime)}
.matrix-link:hover{color:#fff}
.matrix-card--wide{grid-column:auto}
@media (min-width:768px){.matrix-card--wide{grid-column:span 2;flex-direction:row;align-items:stretch}
.matrix-card--wide .matrix-media{aspect-ratio:auto;width:44%;flex:none}
.matrix-card--wide .matrix-body{display:flex;flex-direction:column;justify-content:center}}
.matrix-offset{margin-top:0}
@media (min-width:1024px){.matrix-offset{margin-top:12px}}

/* ---------- 最新信息 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px}
.filter-pill{border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out}
.filter-pill:hover{border-color:var(--deep);color:var(--deep)}
.filter-pill.is-active{background:var(--deep);border-color:var(--deep);color:#fff}
.news-grid{display:grid;gap:20px}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,42,35,.28)}
.news-lead{grid-column:1 / -1;display:block}
.news-lead-link{display:grid;gap:0;height:100%}
@media (min-width:768px){.news-lead-link{grid-template-columns:44% 1fr;align-items:stretch}}
.news-lead-media{background:var(--sand);overflow:hidden}
.news-lead-media img{width:100%;height:100%;min-height:200px;object-fit:cover;transition:transform .18s ease-out}
.news-card:hover .news-lead-media img{transform:scale(1.02)}
.news-lead-body{padding:22px 20px;display:flex;flex-direction:column;justify-content:center;gap:10px}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.meta-time{font-size:12.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:5px}
.news-title{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
.news-card:hover .news-title{color:var(--deep)}
.news-desc{font-size:14px;color:var(--ink-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-more{font-size:13.5px;font-weight:700;color:var(--deep);display:inline-flex;align-items:center;gap:6px;margin-top:2px}
.news-card:hover .news-more{color:var(--brick)}
.news-row-link{display:flex;gap:14px;padding:16px;align-items:flex-start}
.news-thumb{width:96px;height:72px;flex:none;border-radius:10px;overflow:hidden;background:var(--sand)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-row-body{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-row-body .news-title{font-size:16px}
.empty-state{grid-column:1 / -1;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);padding:32px 20px}
.empty-state svg{width:48px;height:48px;color:var(--ink-2);opacity:.6}
.empty-state p{color:var(--ink-2);font-size:14.5px;margin:0}

/* ---------- 对比区 ---------- */
.compare-grid{display:grid;gap:20px}
@media (min-width:1024px){.compare-grid{grid-template-columns:1fr 1fr;gap:24px}}
.compare-panel{border-radius:var(--r-lg);padding:24px 20px}
.compare-old{background:#fff;border:1px solid var(--line)}
.compare-new{background:var(--deep);color:#fff;border:1px solid var(--deep)}
.compare-title{font-size:17px;margin-bottom:6px}
.compare-sub{font-size:13px;color:var(--ink-2);margin-bottom:20px}
.compare-new .compare-sub{color:rgba(255,255,255,.6)}
.compare-row{margin-bottom:18px}
.compare-row:last-child{margin-bottom:0}
.compare-row-top{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13.5px;margin-bottom:8px}
.compare-old .compare-row-top{color:var(--ink-2)}
.compare-new .compare-row-top{color:rgba(255,255,255,.8)}
.compare-num{font-variant-numeric:tabular-nums;font-weight:700}
.bar{height:8px;border-radius:999px;overflow:hidden;background:#EDEAE1}
.compare-new .bar{background:rgba(255,255,255,.14)}
.bar i{display:block;height:100%;border-radius:999px;background:#B9B3A4}
.compare-new .bar i{background:var(--lime)}
.flag{display:inline-block;width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:8px solid var(--brick);margin-right:6px;vertical-align:middle}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;position:relative;transition:border-color .18s ease-out}
.faq-item:hover{border-color:rgba(14,42,35,.3)}
.faq-item.is-open{border-color:rgba(14,42,35,.34)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--lime)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;cursor:pointer;text-align:left;padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.5}
.faq-q:hover{color:var(--deep)}
.faq-icon{width:22px;height:22px;flex:none;position:relative}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--deep);border-radius:2px;transition:transform .18s ease-out}
.faq-icon::before{left:3px;right:3px;top:10px;height:2px}
.faq-icon::after{top:3px;bottom:3px;left:10px;width:2px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease-out}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

/* ---------- 表单 ---------- */
.lead-card{background:#fff;border-radius:20px;padding:26px 20px;color:var(--ink);box-shadow:0 20px 48px rgba(0,0,0,.24)}
@media (min-width:768px){.lead-card{padding:32px}}
.lead-grid{display:grid;gap:28px}
@media (min-width:1024px){.lead-grid{grid-template-columns:5fr 7fr;gap:36px}}
.lead-points{list-style:none;padding:0;margin:20px 0 0}
.lead-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);margin-bottom:12px;line-height:1.75}
.lead-points svg{width:18px;height:18px;flex:none;color:#5C8A18;margin-top:4px}
.form-grid{display:grid;gap:16px}
@media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px}
.field-full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--ink)}
.req{color:var(--brick);margin-left:2px}
.field input,.field select,.field textarea{
  height:46px;border-radius:var(--r-md);border:1px solid var(--line);
  padding:0 14px;background:#fff;font-size:15px;color:var(--ink);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A6ADA8}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--deep);box-shadow:0 0 0 2px rgba(184,240,74,.9)}
.form-tip{font-size:12.5px;color:var(--ink-2);margin-top:12px;line-height:1.7}
.form-msg{display:none;margin-top:14px;background:rgba(184,240,74,.18);border:1px solid rgba(92,138,24,.4);color:#3E5A12;border-radius:var(--r-md);padding:10px 14px;font-size:13.5px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.7);padding:56px 0 0;margin-top:0}
.footer-top{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start;justify-content:space-between;padding-bottom:32px;border-bottom:1px solid var(--line-dark)}
.footer-brand{max-width:460px}
.footer-brand .logo{margin-bottom:12px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.62);margin:0}
.footer-social{display:flex;gap:10px}
.icon-btn{width:44px;height:44px;border-radius:var(--r-md);border:1px solid var(--line-dark);background:rgba(255,255,255,.05);color:#fff;display:inline-flex;align-items:center;justify-content:center;transition:background .18s ease-out,transform .18s ease-out}
.icon-btn:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.icon-btn svg{width:20px;height:20px}
.footer-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px;padding:32px 0}
@media (min-width:1024px){.footer-cols{grid-template-columns:1fr 1fr 1fr 1.3fr;gap:32px}}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:700;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:var(--lime)}
.footer-contact{background:rgba(255,255,255,.05);border:1px solid var(--line-dark);border-radius:var(--r-lg);padding:18px}
.footer-contact p{font-size:13.5px;color:rgba(255,255,255,.66);margin:0 0 10px}
.footer-contact strong{display:block;color:#fff;font-size:15px;margin-bottom:6px}
.footer-bottom{border-top:1px solid var(--line-dark);padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}

/* roulang page: article */
:root{
    --ink:#16201C;
    --ink-2:#5A6660;
    --deep:#0E2A23;
    --deep-2:#143D31;
    --lime:#B8F04A;
    --brick:#B23A2F;
    --sand:#F6F4EF;
    --card:#FFFFFF;
    --line:#E3DFD5;
    --line-dark:rgba(255,255,255,.14);
    --radius-lg:16px;
    --radius-md:12px;
    --shadow-sm:0 2px 8px rgba(14,42,35,.06);
    --shadow-md:0 10px 24px rgba(14,42,35,.10);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  a{color:inherit;text-decoration:none}
  img{max-width:100%;display:block;object-fit:cover}
  button{font-family:inherit}
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
  p{margin:0}
  ul,ol{margin:0;padding:0;list-style:none}
  .container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container-site{padding:0 32px}}

  /* ============ 顶部导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;padding-top:12px;transition:background .18s ease-out,box-shadow .18s ease-out}
  .site-header.is-scrolled{background:rgba(246,244,239,.94);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line)}
  .nav-panel{
    background:var(--deep);
    border-radius:var(--radius-lg);
    min-height:68px;
    display:flex;
    align-items:center;
    gap:16px;
    padding:0 16px;
    box-shadow:var(--shadow-sm);
    transition:box-shadow .18s ease-out;
  }
  .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;white-space:nowrap;flex:0 0 auto}
  .logo-mark{position:relative;width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:var(--lime)}
  .logo-mark::before{content:"";position:absolute;inset:8px;border:2px solid var(--deep);border-radius:50%}
  .logo-mark::after{content:"";position:absolute;left:50%;bottom:6px;width:12px;height:2px;background:var(--deep);border-radius:2px;transform:translateX(-50%)}
  .logo-text{letter-spacing:-.01em}

  .nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:8px 14px;
    border-radius:var(--radius-md);
    font-size:14px;
    font-weight:500;
    color:rgba(255,255,255,.78);
    background:rgba(255,255,255,.06);
    transition:background .18s ease-out,color .18s ease-out;
  }
  .nav-link svg{width:16px;height:16px;flex:0 0 16px}
  .nav-link:hover{background:rgba(255,255,255,.14);color:#fff}
  .nav-link:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .nav-link.is-active{background:var(--deep-2);color:#fff}
  .nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;background:var(--lime)}

  .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
  .nav-toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:40px;height:40px;
    border-radius:10px;
    border:1px solid var(--line-dark);
    background:rgba(255,255,255,.06);
    color:#fff;
    cursor:pointer;
    transition:background .18s ease-out;
  }
  .nav-toggle:hover{background:rgba(255,255,255,.16)}
  .nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .nav-toggle svg{width:20px;height:20px}

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-height:44px;
    padding:12px 22px;
    border-radius:var(--radius-md);
    border:1.5px solid transparent;
    font-size:15px;
    font-weight:700;
    line-height:1.2;
    cursor:pointer;
    transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .btn svg{width:18px;height:18px}
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-primary{background:var(--lime);color:var(--deep)}
  .btn-primary:hover{background:#A8E23C;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-outline{border-color:var(--deep);color:var(--deep);background:transparent}
  .btn-outline:hover{background:var(--deep);color:#fff}
  .btn-ghost-light{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
  .btn-ghost-light:hover{background:var(--deep-2);border-color:#fff}
  .btn-sm{min-height:38px;padding:8px 16px;font-size:14px;border-radius:10px}

  /* ============ 移动端抽屉 ============ */
  .drawer-backdrop{
    position:fixed;inset:0;z-index:80;
    background:rgba(14,42,35,.55);
    opacity:0;visibility:hidden;
    transition:opacity .18s ease-out,visibility .18s ease-out;
  }
  .drawer-backdrop.open{opacity:1;visibility:visible}
  .nav-drawer{
    position:fixed;top:0;right:0;bottom:0;z-index:90;
    width:84%;max-width:360px;
    background:var(--deep);
    padding:20px;
    display:flex;flex-direction:column;gap:16px;
    transform:translateX(102%);
    transition:transform .22s ease-out;
    overflow-y:auto;
  }
  .nav-drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;
    border:1px solid var(--line-dark);
    background:rgba(255,255,255,.06);
    color:#fff;font-size:20px;line-height:1;cursor:pointer;
    display:inline-flex;align-items:center;justify-content:center;
    transition:background .18s ease-out;
  }
  .drawer-close:hover{background:rgba(255,255,255,.16)}
  .drawer-links{display:grid;gap:10px}
  .drawer-link{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    min-height:56px;padding:0 16px;
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.06);
    color:#fff;font-size:15px;
    transition:background .18s ease-out;
  }
  .drawer-link:hover,.drawer-link:focus-visible{background:var(--deep-2)}
  .drawer-link svg{width:18px;height:18px;color:var(--lime)}
  .drawer-cta{margin-top:auto;width:100%}

  /* ============ 信息条 / 面包屑 ============ */
  .info-bar{
    margin-top:24px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius-lg);
    padding:12px 18px;
    display:flex;
    align-items:center;
    gap:12px;
    flex-wrap:wrap;
    font-size:13.5px;
    color:var(--ink-2);
    box-shadow:var(--shadow-sm);
  }
  .crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;min-width:0}
  .crumbs a{transition:color .18s ease-out}
  .crumbs a:hover{color:var(--brick)}
  .crumbs .sep{color:var(--ink-2);opacity:.6}
  .crumbs .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;
    background:rgba(178,58,47,.10);color:var(--brick);border:1px solid rgba(178,58,47,.25);
    white-space:nowrap;
  }
  .badge-deep{background:rgba(14,42,35,.06);color:var(--deep);border-color:rgba(14,42,35,.18)}
  .info-time{margin-left:auto;font-size:12.5px;color:var(--ink-2);white-space:nowrap}

  /* ============ 文章主体 ============ */
  .article-card{
    max-width:840px;
    margin:24px auto 0;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:20px;
    padding:40px;
    box-shadow:var(--shadow-sm);
  }
  .article-title{font-size:36px;line-height:1.25;margin:0 0 18px}
  .article-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--ink-2);padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:28px}
  .meta-item{display:inline-flex;align-items:center;gap:6px}
  .meta-item svg{width:15px;height:15px;flex:0 0 15px;color:var(--ink-2)}

  .article-body{font-size:17px;line-height:1.95;text-align:left;color:var(--ink)}
  .article-body p{margin:0 0 1.15em}
  .article-body h2{
    font-size:26px;line-height:1.35;margin:2em 0 .7em;
    padding-left:12px;border-left:4px solid var(--lime);
  }
  .article-body h3{font-size:19px;line-height:1.5;margin:1.6em 0 .6em}
  .article-body h4{font-size:17px;margin:1.4em 0 .5em}
  .article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.15em}
  .article-body ul{list-style:disc}
  .article-body ol{list-style:decimal}
  .article-body li{margin:.4em 0;line-height:1.9}
  .article-body ul li::marker{color:var(--deep)}
  .article-body ol li::marker{color:var(--deep);font-weight:700}
  .article-body blockquote{
    margin:1.4em 0;padding:16px 20px;
    background:var(--sand);border-left:3px solid var(--brick);
    border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--ink-2);
  }
  .article-body blockquote p:last-child{margin-bottom:0}
  .article-body img{border-radius:var(--radius-md);margin:1.4em 0;max-width:100%;height:auto}
  .article-body a{color:var(--deep);text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
  .article-body a:hover{color:var(--brick);text-decoration-color:var(--brick)}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
  .article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;display:block;overflow-x:auto;font-size:15px}
  .article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
  .article-body th{background:var(--sand);font-weight:700}
  .article-body code{background:var(--sand);padding:2px 6px;border-radius:6px;font-size:.92em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
  .article-body pre{background:var(--sand);padding:16px;border-radius:var(--radius-md);overflow-x:auto;margin:1.4em 0}
  .article-body pre code{background:none;padding:0}

  .article-foot{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:center;gap:14px;flex-wrap:wrap}

  .empty-state{text-align:center;padding:56px 20px;display:flex;flex-direction:column;align-items:center;gap:12px}
  .empty-state svg{width:48px;height:48px;color:var(--ink-2)}
  .empty-title{font-size:19px;font-weight:700;color:var(--ink)}
  .empty-desc{font-size:15px;color:var(--ink-2);max-width:420px;margin:0}
  .empty-state .btn{margin-top:8px}

  /* ============ 通用板块 ============ */
  .section{padding:64px 0}
  .section-dark{background:var(--deep);color:#fff}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
  .section-head h2{font-size:26px;line-height:1.35}
  .section-sub{font-size:14px;color:var(--ink-2);margin-top:8px;max-width:620px}
  .section-dark .section-sub{color:rgba(255,255,255,.7)}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--deep);border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s ease-out}
  .link-more:hover{color:var(--brick)}
  .link-more svg{width:16px;height:16px}
  .section-dark .link-more{color:#fff}
  .section-dark .link-more:hover{color:var(--lime)}

  /* ============ 相关推荐 ============ */
  .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .related-card{
    display:flex;align-items:center;gap:14px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:14px;
    transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .related-card:hover{transform:translateY(-2px);border-color:var(--deep);box-shadow:var(--shadow-md)}
  .related-card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .related-thumb{width:96px;height:96px;flex:0 0 96px;border-radius:var(--radius-md);background:var(--sand)}
  .related-info{min-width:0}
  .related-info h3{font-size:16px;line-height:1.45;margin-bottom:6px;transition:color .18s ease-out}
  .related-card:hover .related-info h3{color:var(--deep-2)}
  .related-time{font-size:12.5px;color:var(--ink-2);display:inline-flex;align-items:center;gap:6px}
  .related-time svg{width:13px;height:13px}

  /* ============ FAQ ============ */
  .faq-list{max-width:840px;margin:0 auto;display:grid;gap:12px}
  .faq-item{
    position:relative;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-md);overflow:hidden;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .faq-item.open{border-color:var(--deep);box-shadow:var(--shadow-sm)}
  .faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lime)}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
    font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  }
  .faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}
  .faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
  .faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--deep);border-radius:2px;transition:transform .18s ease-out,opacity .18s ease-out}
  .faq-icon::before{left:0;right:0;top:9px;height:2px}
  .faq-icon::after{top:0;bottom:0;left:9px;width:2px}
  .faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;font-size:15px;line-height:1.9;color:var(--ink-2)}
  .faq-a p{padding:0 24px 20px;margin:0}
  .faq-item.open .faq-a{max-height:420px}

  /* ============ 转化区 ============ */
  .cta-shell{
    display:grid;grid-template-columns:5fr 7fr;gap:32px;
    background:var(--card);border-radius:var(--radius-lg);padding:32px;
    box-shadow:var(--shadow-md);
  }
  .cta-copy h2{font-size:26px;line-height:1.35;color:var(--ink);margin-bottom:12px}
  .cta-copy p{font-size:15px;color:var(--ink-2);margin-bottom:18px}
  .check-list{display:grid;gap:10px}
  .check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink)}
  .check-list svg{width:18px;height:18px;flex:0 0 18px;margin-top:3px;color:var(--deep)}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
  .field{display:flex;flex-direction:column;gap:6px}
  .field.full{grid-column:1 / -1}
  .field label{font-size:14px;font-weight:600;color:var(--ink)}
  .req{color:var(--brick)}
  .field input,.field select,.field textarea{
    width:100%;height:46px;padding:0 14px;
    border:1px solid var(--line);border-radius:var(--radius-md);
    font-family:inherit;font-size:15px;color:var(--ink);background:#fff;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(184,240,74,.55);
  }
  .form-actions{grid-column:1 / -1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:4px}
  .form-note{font-size:12.5px;color:var(--ink-2)}
  .form-tip{grid-column:1 / -1;font-size:13.5px;color:var(--deep-2);background:rgba(184,240,74,.22);border:1px solid rgba(184,240,74,.6);border-radius:var(--radius-md);padding:10px 14px}
  .form-tip[hidden]{display:none}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.78);padding:56px 0 24px;margin-top:0}
  .footer-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:32px;border-bottom:1px solid var(--line-dark)}
  .footer-brand{max-width:560px}
  .footer-brand .logo{margin-bottom:14px;color:#fff}
  .footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
  .footer-social{display:flex;gap:10px}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:42px;height:42px;border-radius:var(--radius-md);
    border:1px solid var(--line-dark);background:rgba(255,255,255,.06);color:#fff;
    transition:background .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
  }
  .icon-btn svg{width:19px;height:19px}
  .icon-btn:hover{background:var(--deep-2);border-color:rgba(255,255,255,.4);transform:translateY(-1px)}
  .icon-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .footer-cols{display:grid;grid-template-columns:1fr 1fr 1fr 1.3fr;gap:24px;padding:32px 0}
  .footer-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.02em}
  .footer-col ul{display:grid;gap:10px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease-out}
  .footer-col a:hover{color:var(--lime)}
  .footer-contact{
    background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
    border-radius:var(--radius-lg);padding:18px;
  }
  .footer-contact strong{display:block;color:#fff;font-size:14px;margin-bottom:8px}
  .footer-contact p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);margin-bottom:8px}
  .footer-bottom{
    display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
    padding-top:18px;border-top:1px solid var(--line-dark);
    font-size:12.5px;color:rgba(255,255,255,.6);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);transition:color .18s ease-out}
  .footer-bottom a:hover{color:var(--lime)}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .nav-panel{justify-content:space-between}
    .related-grid{grid-template-columns:1fr}
    .cta-shell{grid-template-columns:1fr}
    .footer-cols{grid-template-columns:1fr 1fr}
  }
  @media (max-width:767px){
    .section{padding:48px 0}
    .nav-panel{min-height:60px;padding:0 12px;gap:10px}
    .logo-text{font-size:14px}
    .nav-actions .btn-primary{display:none}
    .article-card{padding:20px;border-radius:var(--radius-lg);margin-top:16px}
    .article-title{font-size:27px;line-height:1.3}
    .article-body{font-size:16.5px;line-height:1.95}
    .article-body h2{font-size:22px}
    .article-body h3{font-size:18px}
    .info-bar{margin-top:16px;padding:12px 14px;gap:8px}
    .info-time{margin-left:0}
    .section-head h2,.cta-copy h2{font-size:22px}
    .cta-shell{padding:20px;gap:24px}
    .form-grid{grid-template-columns:1fr}
    .footer-top{flex-direction:column}
    .footer-cols{grid-template-columns:1fr 1fr;gap:20px}
    .related-thumb{width:80px;height:80px;flex:0 0 80px}
    .faq-q{padding:16px 18px;font-size:16px}
    .faq-a p{padding:0 18px 18px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
  }
  @media (max-width:420px){
    .logo-text{font-size:13px}
  }

/* roulang page: category1 */
:root{
    --ink:#16201C;
    --ink-2:#5A6660;
    --deep:#0E2A23;
    --deep-2:#143D31;
    --lime:#B8F04A;
    --brick:#B23A2F;
    --sand:#F6F4EF;
    --card:#FFFFFF;
    --line:#E3DFD5;
    --line-dark:rgba(255,255,255,.14);
    --radius-lg:16px;
    --radius-md:12px;
    --shadow-1:0 2px 8px rgba(14,42,35,.06);
    --shadow-2:0 10px 24px rgba(14,42,35,.10);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;background:var(--sand);color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;line-height:1.9;font-weight:400;letter-spacing:0;
  }
  h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
  p{margin:0 0 1.15em}
  p:last-child{margin-bottom:0}
  a{color:inherit;text-decoration:none;transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out}
  img{max-width:100%;display:block}
  ul{margin:0;padding:0;list-style:none}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  :focus-visible{outline:2px solid var(--lime);outline-offset:2px}

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

  /* 顶部导航 */
  .site-header{position:sticky;top:0;z-index:60;padding-top:12px;transition:background .18s ease-out,box-shadow .18s ease-out}
  .site-header.is-stuck{background:rgba(246,244,239,.94);box-shadow:0 1px 0 var(--line);backdrop-filter:blur(8px)}
  .nav-panel{
    display:flex;align-items:center;gap:14px;height:68px;padding:0 14px 0 18px;
    background:var(--deep);border:1px solid var(--line-dark);border-radius:var(--radius-lg);
  }
  .logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;flex:none}
  .logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--lime);flex:none}
  .logo-mark::after{content:"";position:absolute;right:6px;top:6px;width:11px;height:11px;border-radius:3px;background:var(--deep)}
  .nav-links{display:flex;align-items:center;gap:8px;margin-left:auto}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:var(--radius-md);
    font-size:14px;color:rgba(255,255,255,.84);background:rgba(255,255,255,.06);white-space:nowrap;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .nav-link svg{width:16px;height:16px;flex:none}
  .nav-link:hover{background:rgba(255,255,255,.14);color:#fff}
  .nav-link.is-active{background:var(--deep-2);color:#fff}
  .nav-link.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--lime)}
  .nav-cta{flex:none}
  .nav-toggle{display:none;width:44px;height:44px;border-radius:var(--radius-md);align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:#fff;flex:none;transition:background .18s ease-out}
  .nav-toggle:hover{background:rgba(255,255,255,.16)}
  .nav-toggle svg{width:22px;height:22px}

  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-cta{display:none}
    .nav-toggle{display:inline-flex;margin-left:auto}
    .nav-panel{height:60px;padding:0 10px 0 14px}
  }

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;min-height:44px;border-radius:var(--radius-md);
    font-size:15px;font-weight:700;line-height:1.4;border:1.5px solid transparent;
    transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
  }
  .btn svg{width:18px;height:18px;flex:none}
  .btn-primary{background:var(--lime);color:var(--deep)}
  .btn-primary:hover{background:#A8E23C;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-outline{background:transparent;border-color:var(--deep);color:var(--deep)}
  .btn-outline:hover{background:var(--deep);color:#fff;transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
  .btn-outline-light:hover{background:#fff;color:var(--deep);transform:translateY(-1px)}
  .btn-outline-light:active{transform:translateY(0)}
  .btn-block{width:100%}

  .text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--deep);border-bottom:2px solid rgba(14,42,35,.25);padding-bottom:2px;transition:color .18s ease-out,border-color .18s ease-out}
  .text-link svg{width:16px;height:16px;transition:transform .18s ease-out}
  .text-link:hover{color:var(--brick);border-color:var(--brick)}
  .text-link:hover svg{transform:translateX(3px)}

  /* 徽章与胶囊 */
  .badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:999px;font-size:12.5px;line-height:1;font-weight:600;background:rgba(178,58,47,.1);color:var(--brick);border:1px solid rgba(178,58,47,.25)}
  .badge-dark{background:rgba(255,255,255,.1);color:#fff;border-color:var(--line-dark)}
  .pill{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;font-size:12.5px;line-height:1.4;background:rgba(255,255,255,.1);color:rgba(255,255,255,.92);border:1px solid var(--line-dark)}

  /* Hero */
  .hero-card{position:relative;overflow:hidden;border-radius:24px;background:var(--deep);padding:32px 22px;margin-top:24px;color:#fff}
  .hero-card::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42}
  .hero-card::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(14,42,35,.88),rgba(14,42,35,.94))}
  .hero-inner{position:relative;z-index:1}
  @media (min-width:768px){.hero-card{padding:44px 40px}}

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);margin-bottom:22px}
  .crumb a{color:rgba(255,255,255,.82)}
  .crumb a:hover{color:var(--lime)}
  .crumb .sep{opacity:.5}
  .crumb [aria-current]{color:#fff}

  .hero-grid{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
  @media (min-width:1024px){.hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(0,.85fr);gap:40px}}
  .hero-title{font-size:27px;line-height:1.3}
  @media (min-width:768px){.hero-title{font-size:36px;line-height:1.25}}
  .hero-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.86)}
  .hero-desc{margin-top:14px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.72);max-width:560px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
  .hero-media{position:relative}
  .hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line-dark)}
  .hero-media figcaption{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.6)}

  /* 板块 */
  .section{padding:56px 0}
  @media (min-width:1024px){.section{padding:88px 0}}
  .section-head{max-width:760px;margin-bottom:32px}
  .section-head h2{font-size:22px;line-height:1.35}
  @media (min-width:768px){.section-head h2{font-size:26px}}
  .section-head p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.9}
  .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--brick);margin-bottom:10px}
  .eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--brick)}
  .band-dark{background:var(--deep);color:#fff}
  .band-dark .section-head h2{color:#fff}
  .band-dark .section-head p{color:rgba(255,255,255,.72)}
  .band-dark .eyebrow{color:var(--lime)}
  .band-dark .eyebrow::before{background:var(--lime)}

  /* 指标卡 */
  .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  @media (min-width:1024px){.stat-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
  .stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
  .stat-card:hover{transform:translateY(-2px);border-color:var(--deep);box-shadow:var(--shadow-2)}
  .stat-label{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--ink-2);line-height:1.6}
  .stat-label .dot{width:8px;height:8px;border-radius:2px;background:var(--lime);flex:none}
  .stat-num{margin-top:12px;font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
  .stat-num small{font-size:14px;font-weight:600;color:var(--ink-2);margin-left:4px;font-family:inherit}
  .stat-note{margin-top:8px;font-size:13px;line-height:1.7;color:var(--ink-2)}

  /* 服务矩阵 2×2 */
  .matrix{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){.matrix{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
  .matrix-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
  .matrix-card:hover{transform:translateY(-2px);border-color:var(--deep);box-shadow:var(--shadow-2)}
  .matrix-media{position:relative;background:var(--sand)}
  .matrix-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .matrix-media .tag{position:absolute;left:14px;top:14px}
  .matrix-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
  .matrix-body h3{font-size:19px;line-height:1.5}
  .matrix-body p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2)}
  .matrix-foot{margin-top:auto;padding-top:16px}

  /* 流程步骤 */
  .steps{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px}
  @media (min-width:768px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}}
  .step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;color:var(--ink);box-shadow:var(--shadow-1)}
  .step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;background:var(--deep);color:var(--lime);font-weight:700;font-size:15px;font-variant-numeric:tabular-nums}
  .step h3{margin-top:14px;font-size:17px;line-height:1.5}
  .step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--ink-2)}
  @media (min-width:768px){
    .step:not(:last-child)::after{content:"";position:absolute;top:40px;right:-24px;width:24px;height:2px;background:var(--lime)}
  }

  /* 图文段 */
  .split{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
  @media (min-width:1024px){.split{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px}}
  .split-media{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1)}
  .split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
  .split-text p{font-size:15px;line-height:1.95;color:var(--ink-2)}
  .split-text h2{font-size:22px;line-height:1.35;margin-bottom:14px}
  @media (min-width:768px){.split-text h2{font-size:26px}}
  .check-list{margin-top:18px;display:grid;gap:10px}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.8}
  .check-list svg{width:18px;height:18px;flex:none;margin-top:4px;color:var(--deep)}

  /* FAQ */
  .faq-wrap{max-width:840px;margin:0 auto}
  .faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease-out,border-color .18s ease-out}
  .faq-item:hover{border-color:var(--deep)}
  .faq-item[open]{box-shadow:inset 3px 0 0 0 var(--lime),var(--shadow-1)}
  .faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;font-size:17px;font-weight:600;line-height:1.5;cursor:pointer}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";flex:none;font-size:22px;line-height:1;font-weight:400;color:var(--deep)}
  .faq-item[open] summary::after{content:"−"}
  .faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

  /* CTA / 表单 */
  .cta-band{padding:56px 0}
  @media (min-width:1024px){.cta-band{padding:88px 0}}
  .cta-panel{background:var(--deep);border-radius:24px;padding:32px 22px;color:#fff;position:relative;overflow:hidden}
  .cta-panel::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;opacity:.16}
  .cta-panel > *{position:relative;z-index:1}
  @media (min-width:768px){.cta-panel{padding:44px 40px}}
  .cta-grid{display:grid;grid-template-columns:1fr;gap:32px}
  @media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:48px;align-items:start}}
  .cta-panel h2{font-size:22px;line-height:1.35}
  @media (min-width:768px){.cta-panel h2{font-size:26px}}
  .cta-panel p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.9;margin-top:12px}
  .cta-points{margin-top:20px;display:grid;gap:10px}
  .cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.9)}
  .cta-points svg{width:18px;height:18px;flex:none;margin-top:4px;color:var(--lime)}
  .form-card{background:var(--card);border-radius:var(--radius-lg);padding:24px;box-shadow:0 10px 24px rgba(0,0,0,.18);color:var(--ink)}
  @media (min-width:768px){.form-card{padding:28px}}
  .form-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:768px){.form-grid{grid-template-columns:1fr 1fr}}
  .field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
  .req{color:var(--brick);margin-left:2px}
  .field input,.field select,.field textarea{
    width:100%;min-height:46px;padding:10px 14px;border-radius:var(--radius-md);
    border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;font-family:inherit;line-height:1.6;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .field textarea{min-height:104px;resize:vertical;line-height:1.7}
  .field input::placeholder,.field textarea::placeholder{color:#9AA39D}
  .field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(184,240,74,.55)}
  .field-full{grid-column:1/-1}
  .form-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--ink-2)}
  .form-feedback{margin-top:12px;font-size:13.5px;font-weight:600;color:var(--deep)}

  /* 抽屉 */
  .drawer{position:fixed;inset:0;z-index:90;visibility:hidden}
  .drawer-mask{position:absolute;inset:0;background:rgba(14,42,35,.6);opacity:0;transition:opacity .18s ease-out}
  .drawer-panel{
    position:absolute;top:0;right:0;height:100%;width:84%;max-width:360px;
    background:var(--deep);color:#fff;border-left:1px solid var(--line-dark);
    display:flex;flex-direction:column;padding:20px;transform:translateX(100%);
    transition:transform .2s ease-out;
  }
  .drawer.is-open{visibility:visible}
  .drawer.is-open .drawer-mask{opacity:1}
  .drawer.is-open .drawer-panel{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line-dark);margin-bottom:16px}
  .drawer-close{width:44px;height:44px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.08);color:#fff}
  .drawer-close:hover{background:rgba(255,255,255,.18)}
  .drawer-close svg{width:20px;height:20px}
  .drawer-link{display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;border-radius:var(--radius-md);background:rgba(255,255,255,.06);color:#fff;font-size:15px;margin-bottom:10px;transition:background .18s ease-out}
  .drawer-link:hover{background:rgba(255,255,255,.14)}
  .drawer-link.is-active{background:var(--deep-2);box-shadow:inset 0 -2px 0 0 var(--lime)}
  .drawer-link svg.icon{width:18px;height:18px;flex:none}
  .drawer-link svg.arrow{width:16px;height:16px;margin-left:auto;opacity:.6}
  .drawer-foot{margin-top:auto;padding-top:16px}

  /* 页脚 */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.8);padding:48px 0 28px;margin-top:8px}
  .footer-top{display:flex;flex-wrap:wrap;gap:20px;align-items:flex-start;justify-content:space-between;padding-bottom:28px;border-bottom:1px solid var(--line-dark)}
  .footer-brand{max-width:460px}
  .footer-brand p{margin-top:12px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.64)}
  .footer-social{display:flex;gap:10px}
  .icon-btn{width:44px;height:44px;border-radius:var(--radius-md);display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.07);border:1px solid var(--line-dark);color:#fff;transition:background .18s ease-out,transform .18s ease-out}
  .icon-btn:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
  .icon-btn svg{width:20px;height:20px}
  .footer-cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:32px 0}
  @media (min-width:1024px){.footer-cols{grid-template-columns:repeat(4,minmax(0,1fr));gap:32px}}
  .footer-col h4{font-size:14px;color:#fff;margin-bottom:12px;letter-spacing:.02em}
  .footer-col li{margin-bottom:8px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
  .footer-col a:hover{color:var(--lime)}
  .footer-contact{background:rgba(255,255,255,.06);border:1px solid var(--line-dark);border-radius:var(--radius-lg);padding:18px}
  .footer-contact strong{display:block;font-size:14px;color:#fff;margin-bottom:8px}
  .footer-contact p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:8px}
  .footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--line-dark);font-size:12.5px;color:rgba(255,255,255,.56)}
  .footer-bottom a{color:rgba(255,255,255,.72)}
  .footer-bottom a:hover{color:var(--lime)}
  @media (max-width:520px){
    .stat-num{font-size:26px}
    .hero-actions .btn{width:100%}
    .cta-panel{padding:24px 18px}
    .faq-item summary{padding:16px 18px;font-size:16px}
    .faq-answer{padding:0 18px 18px}
  }

/* roulang page: category2 */
:root{
    --ink:#16201C;
    --ink-2:#5A6660;
    --deep:#0E2A23;
    --deep-2:#143D31;
    --lime:#B8F04A;
    --brick:#B23A2F;
    --sand:#F6F4EF;
    --card:#FFFFFF;
    --line:#E3DFD5;
    --line-dark:rgba(255,255,255,.14);
    --radius-lg:16px;
    --radius-md:12px;
    --shadow-sm:0 2px 8px rgba(14,42,35,.06);
    --shadow-md:0 10px 24px rgba(14,42,35,.10);
    --ease:180ms ease-out;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;scroll-padding-top:104px}
  html body.site-body{
    margin:0;
    background:var(--sand);
    color:var(--ink);
    font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
    text-align:left;
    overflow-x:hidden;
  }
  .site-body img{display:block;max-width:100%;height:auto}
  .site-body a{color:inherit;text-decoration:none}
  .site-body button{font-family:inherit}
  .container-site{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
  @media (min-width:768px){.container-site{padding:0 32px}}

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:60;padding:12px 0 0;
    background:transparent;
    transition:background var(--ease),box-shadow var(--ease),padding var(--ease);
  }
  .site-header.is-scrolled{
    background:rgba(246,244,239,.94);
    box-shadow:0 1px 0 var(--line);
    padding-bottom:12px;
    backdrop-filter:saturate(140%) blur(8px);
  }
  .nav-panel{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    min-height:68px;padding:10px 16px;
    background:var(--deep);
    border:1px solid rgba(255,255,255,.08);
    border-radius:18px;
    box-shadow:0 6px 20px rgba(14,42,35,.14);
  }
  .logo{display:inline-flex;align-items:center;gap:10px;flex:none}
  .logo-mark{
    position:relative;width:28px;height:28px;border-radius:9px;
    background:var(--lime);flex:none;
  }
  .logo-mark::after{
    content:"";position:absolute;right:4px;bottom:4px;width:9px;height:9px;
    border-radius:3px;background:var(--brick);
  }
  .logo-text{color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:6px;flex-wrap:nowrap}
  .nav-link{
    display:inline-flex;align-items:center;gap:8px;
    padding:8px 14px;border-radius:var(--radius-md);
    font-size:14px;line-height:1.4;color:rgba(255,255,255,.82);
    background:rgba(255,255,255,.06);
    transition:background var(--ease),color var(--ease),box-shadow var(--ease);
    white-space:nowrap;
  }
  .nav-link svg{width:16px;height:16px;flex:none}
  .nav-link:hover{background:rgba(255,255,255,.14);color:#fff}
  .nav-link:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .nav-link.is-active{
    background:var(--deep-2);color:#fff;
    box-shadow:inset 0 -2px 0 var(--lime);
  }
  .nav-actions{display:flex;align-items:center;gap:10px;flex:none}
  .nav-toggle{
    display:none;width:44px;height:44px;border-radius:var(--radius-md);
    background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
    align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;
    transition:background var(--ease);
  }
  .nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
  .nav-toggle:hover{background:rgba(255,255,255,.16)}
  .nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

  /* 抽屉 */
  .nav-overlay{
    position:fixed;inset:0;background:rgba(14,42,35,.55);z-index:80;
    opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  }
  .nav-drawer{
    position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;z-index:90;
    background:var(--deep);border-left:1px solid var(--line-dark);
    padding:20px;display:flex;flex-direction:column;gap:16px;
    transform:translateX(102%);visibility:hidden;
    transition:transform var(--ease),visibility var(--ease);
    overflow-y:auto;
  }
  body.drawer-open .nav-overlay{opacity:1;visibility:visible}
  body.drawer-open .nav-drawer{transform:translateX(0);visibility:visible}
  body.drawer-open{overflow:hidden}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line-dark)}
  .drawer-close{
    width:40px;height:40px;border-radius:var(--radius-md);cursor:pointer;
    background:rgba(255,255,255,.08);border:1px solid var(--line-dark);color:#fff;font-size:22px;line-height:1;
  }
  .drawer-close:hover{background:rgba(255,255,255,.16)}
  .drawer-links{display:flex;flex-direction:column;gap:10px}
  .drawer-link{
    display:flex;align-items:center;gap:10px;min-height:56px;padding:0 14px;
    border-radius:var(--radius-md);background:rgba(255,255,255,.06);
    color:rgba(255,255,255,.86);font-size:15px;
    transition:background var(--ease),color var(--ease);
  }
  .drawer-link svg{width:18px;height:18px;flex:none}
  .drawer-link span.arrow{margin-left:auto;color:rgba(255,255,255,.4)}
  .drawer-link:hover{background:rgba(255,255,255,.14);color:#fff}
  .drawer-link.is-active{background:var(--deep-2);color:#fff;box-shadow:inset 0 -2px 0 var(--lime)}
  .drawer-cta{margin-top:auto;width:100%}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:12px 22px;border-radius:var(--radius-md);
    font-size:15px;font-weight:700;line-height:1.3;letter-spacing:.01em;
    border:1.5px solid transparent;cursor:pointer;
    transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .btn svg{width:18px;height:18px;flex:none}
  .btn-primary{background:var(--lime);color:var(--deep)}
  .btn-primary:hover{background:#A8E23C;transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0);filter:brightness(.96)}
  .btn-primary:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-outline{border-color:var(--deep);color:var(--deep);background:transparent}
  .btn-outline:hover{background:var(--deep);color:#fff;transform:translateY(-1px)}
  .btn-outline:active{transform:translateY(0)}
  .btn-outline:focus-visible{outline:2px solid var(--deep);outline-offset:2px}
  .btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;background:transparent}
  .btn-ghost:hover{background:#fff;color:var(--deep);transform:translateY(-1px)}
  .btn-ghost:active{transform:translateY(0)}
  .btn-ghost:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn-sm{min-height:40px;padding:9px 16px;font-size:14px}
  .btn-block{width:100%}

  /* ---------- 通用板块 ---------- */
  .section{padding:64px 0}
  @media (min-width:1024px){.section{padding:96px 0}}
  .section-tight{padding:48px 0}
  @media (min-width:1024px){.section-tight{padding:64px 0}}
  .section-dark{background:var(--deep);color:#fff}
  .section-head{max-width:760px;margin-bottom:32px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;font-weight:700;letter-spacing:.06em;color:var(--ink-2);
    text-transform:none;margin-bottom:12px;
  }
  .eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--lime)}
  .section-dark .eyebrow{color:rgba(255,255,255,.6)}
  .section-title{
    margin:0 0 12px;font-size:26px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  }
  @media (max-width:767px){.section-title{font-size:22px}}
  .section-sub{margin:0;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:720px}
  .section-dark .section-sub{color:rgba(255,255,255,.72)}

  /* ---------- Hero ---------- */
  .hero-page{padding:24px 0 0}
  .hero-card{
    position:relative;overflow:hidden;border-radius:24px;
    padding:36px 24px;
    background-color:var(--deep);
    background-image:linear-gradient(105deg,rgba(14,42,35,.96) 0%,rgba(14,42,35,.86) 46%,rgba(14,42,35,.62) 100%),url(/assets/images/backpic/back-2.png);
    background-size:cover;background-position:center;
    color:#fff;
  }
  @media (min-width:768px){.hero-card{padding:52px 40px}}
  @media (min-width:1024px){.hero-card{padding:60px 48px}}
  .hero-grid{display:grid;gap:28px;align-items:start}
  @media (min-width:1024px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.6);margin-bottom:18px;flex-wrap:wrap}
  .breadcrumb a{color:rgba(255,255,255,.72)}
  .breadcrumb a:hover{color:var(--lime)}
  .breadcrumb .current{color:#fff}
  .hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);
    font-size:12.5px;letter-spacing:.02em;color:rgba(255,255,255,.88);
    margin-bottom:18px;
  }
  .hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--lime);display:inline-block}
  .hero-title{
    margin:0 0 16px;font-size:27px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:#fff;
  }
  @media (min-width:768px){.hero-title{font-size:34px;line-height:1.26}}
  @media (min-width:1024px){.hero-title{font-size:38px;line-height:1.24}}
  .hero-sub{margin:0 0 26px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px}
  @media (min-width:1024px){.hero-sub{font-size:17px}}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
  .hero-tags{list-style:none;display:flex;flex-wrap:wrap;gap:10px;padding:0;margin:0}
  .hero-tags li{
    padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.1);
    font-size:12.5px;color:rgba(255,255,255,.84);
  }
  .hero-panel{
    position:relative;background:var(--card);border-radius:var(--radius-lg);
    padding:22px 20px 20px;color:var(--ink);box-shadow:var(--shadow-md);
  }
  .hero-panel-badge{
    position:absolute;top:14px;right:14px;
    font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
    background:rgba(178,58,47,.1);color:var(--brick);font-weight:700;
  }
  .hero-panel h2{font-size:15px;margin:0 0 4px;font-weight:700;letter-spacing:-.01em}
  .hero-panel .panel-note{font-size:12.5px;color:var(--ink-2);margin:0 0 18px}
  .panel-row{margin-bottom:16px}
  .panel-row:last-child{margin-bottom:0}
  .panel-row .row-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px}
  .panel-row .row-label{font-size:13px;color:var(--ink-2)}
  .panel-row .row-value{font-size:17px;font-weight:700;font-variant-numeric:tabular-nums}
  .panel-row .row-value small{font-size:12px;font-weight:400;color:var(--ink-2);margin-left:2px}
  .bar{height:8px;border-radius:999px;background:var(--sand);overflow:hidden}
  .bar i{display:block;height:100%;border-radius:999px;background:var(--deep)}
  .hero-panel .panel-foot{
    margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--ink-2);display:flex;align-items:center;gap:8px;
  }
  .hero-panel .panel-foot svg{width:16px;height:16px;flex:none;color:var(--deep)}

  /* ---------- 指标卡 ---------- */
  .metrics-grid{display:grid;gap:16px;grid-template-columns:1fr}
  @media (min-width:640px){.metrics-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.metrics-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
  .metric-card{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:22px 20px;box-shadow:var(--shadow-sm);
    transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  }
  .metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--deep)}
  .metric-card .m-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
  .metric-card .m-label{font-size:12.5px;color:var(--ink-2);letter-spacing:.02em}
  .trend{display:inline-flex;align-items:center;gap:4px;font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums}
  .trend.up{color:#5C8A12}
  .trend.down{color:var(--brick)}
  .trend svg{width:14px;height:14px}
  .metric-card .m-value{
    font-size:34px;line-height:1.1;font-weight:700;letter-spacing:-.02em;
    font-variant-numeric:tabular-nums;margin-bottom:10px;
  }
  @media (min-width:1024px){.metric-card .m-value{font-size:38px}}
  .metric-card .m-value small{font-size:14px;font-weight:400;color:var(--ink-2);margin-left:4px}
  .metric-card .m-desc{margin:0;font-size:14px;line-height:1.75;color:var(--ink-2)}

  /* ---------- 分层说明 ---------- */
  .split-row{
    display:grid;gap:24px;align-items:center;
    padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);
    background:var(--card);box-shadow:var(--shadow-sm);
    margin-bottom:24px;
  }
  .split-row:last-child{margin-bottom:0}
  @media (min-width:768px){
    .split-row{grid-template-columns:1fr 1fr;gap:32px;padding:28px}
    .split-row.reverse .split-media{order:2}
  }
  .split-media{border-radius:var(--radius-md);overflow:hidden;background:var(--sand);aspect-ratio:4/3}
  .split-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
  .split-row:hover .split-media img{transform:scale(1.02)}
  .split-body h3{margin:0 0 12px;font-size:19px;line-height:1.5;font-weight:700}
  .split-body p{margin:0 0 14px;font-size:15px;line-height:1.9;color:var(--ink-2)}
  .check-list{list-style:none;padding:0;margin:0;display:grid;gap:8px}
  .check-list li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:var(--ink)}
  .check-list li svg{width:18px;height:18px;flex:none;color:#5C8A12;margin-top:3px}
  .split-index{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:11px;background:var(--sand);
    color:var(--deep);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
    margin-bottom:12px;
  }

  /* ---------- 对比面板 ---------- */
  .compare-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:900px){.compare-grid{grid-template-columns:1fr 1fr;gap:24px}}
  .compare-col{
    border-radius:var(--radius-lg);padding:24px 22px;
    background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow-sm);
  }
  .compare-col.is-primary{background:var(--deep);border-color:transparent;color:#fff;box-shadow:var(--shadow-md)}
  .compare-col h3{margin:0 0 6px;font-size:18px;font-weight:700;line-height:1.5}
  .compare-col .c-note{margin:0 0 20px;font-size:13px;line-height:1.7;color:var(--ink-2)}
  .compare-col.is-primary .c-note{color:rgba(255,255,255,.66)}
  .compare-row{margin-bottom:18px}
  .compare-row:last-child{margin-bottom:0}
  .compare-row .row-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:7px}
  .compare-row .row-label{font-size:13.5px;color:var(--ink-2)}
  .compare-col.is-primary .row-label{color:rgba(255,255,255,.72)}
  .compare-row .row-value{font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}
  .compare-col .bar{background:var(--sand)}
  .compare-col .bar i{background:#9AA6A0}
  .compare-col.is-primary .bar{background:rgba(255,255,255,.16)}
  .compare-col.is-primary .bar i{background:var(--lime)}
  .diff-flag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--brick);font-weight:700;margin-top:14px}
  .diff-flag::before{content:"";width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-bottom:8px solid var(--brick)}
  .compare-col.is-primary .diff-flag{color:var(--lime)}
  .compare-col.is-primary .diff-flag::before{border-bottom-color:var(--lime)}

  /* ---------- 处理流程 ---------- */
  .flow-grid{display:grid;gap:16px;grid-template-columns:1fr}
  @media (min-width:640px){.flow-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,1fr);gap:20px}}
  .flow-step{
    position:relative;background:var(--card);border:1px solid var(--line);
    border-radius:var(--radius-lg);padding:22px 20px;box-shadow:var(--shadow-sm);
    transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  }
  .flow-step:hover{border-color:var(--deep);transform:translateY(-2px);box-shadow:var(--shadow-md)}
  .flow-step .f-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:36px;height:36px;border-radius:11px;background:var(--deep);color:var(--lime);
    font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .flow-step h3{margin:0 0 8px;font-size:16px;font-weight:700;line-height:1.5}
  .flow-step p{margin:0;font-size:14px;line-height:1.8;color:var(--ink-2)}
  @media (min-width:1024px){
    .flow-step::after{
      content:"";position:absolute;top:40px;right:-12px;width:12px;height:2px;background:var(--lime);
    }
    .flow-step:last-child::after{display:none}
  }

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:840px;margin:0 auto}
  .faq-item{
    background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
    margin-bottom:12px;overflow:hidden;position:relative;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .faq-item:hover{border-color:#C9C4B6}
  .faq-item.is-open{border-color:var(--deep);box-shadow:var(--shadow-sm)}
  .faq-item.is-open::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--lime);
  }
  .faq-trigger{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
    font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  }
  .faq-trigger:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}
  .faq-icon{position:relative;width:20px;height:20px;flex:none}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--deep);border-radius:2px;
    transition:transform var(--ease),background var(--ease);
  }
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  .faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
  .faq-item.is-open .faq-trigger{color:var(--deep)}
  .faq-panel{max-height:0;overflow:hidden;transition:max-height var(--ease)}
  .faq-item.is-open .faq-panel{max-height:420px}
  .faq-panel p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}

  /* ---------- CTA / 表单 ---------- */
  .cta-card{
    background:var(--card);border-radius:var(--radius-lg);padding:28px 22px;
    box-shadow:var(--shadow-md);
  }
  @media (min-width:768px){.cta-card{padding:36px 32px}}
  .cta-grid{display:grid;gap:28px}
  @media (min-width:1024px){.cta-grid{grid-template-columns:5fr 7fr;gap:40px}}
  .cta-copy h2{margin:0 0 14px;font-size:26px;line-height:1.35;font-weight:700}
  @media (max-width:767px){.cta-copy h2{font-size:22px}}
  .cta-copy p{margin:0 0 20px;font-size:15px;line-height:1.9;color:var(--ink-2)}
  .form-grid{display:grid;gap:16px;grid-template-columns:1fr}
  @media (min-width:640px){.form-grid{grid-template-columns:1fr 1fr}}
  .field{display:flex;flex-direction:column}
  .field-full{grid-column:1/-1}
  .field label{font-size:14px;font-weight:600;margin-bottom:6px;color:var(--ink)}
  .field .req{color:var(--brick);margin-left:2px}
  .field input,.field select,.field textarea{
    width:100%;font-family:inherit;font-size:15px;color:var(--ink);
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
    padding:11px 14px;min-height:46px;
    transition:border-color var(--ease),box-shadow var(--ease);
  }
  .field textarea{min-height:104px;resize:vertical;line-height:1.8}
  .field input::placeholder,.field textarea::placeholder{color:#A6ADA8}
  .field input:hover,.field select:hover,.field textarea:hover{border-color:#CFC9BA}
  .field input:focus,.field select:focus,.field textarea:focus{
    outline:none;border-color:var(--deep);box-shadow:0 0 0 3px rgba(184,240,74,.45);
  }
  .form-foot{
    margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  }
  .form-privacy{margin:0;font-size:12.5px;line-height:1.7;color:var(--ink-2);max-width:420px}
  .form-tip{font-size:12.5px;color:var(--brick);display:none}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:56px 0 24px;margin-top:0}
  .footer-top{
    display:flex;justify-content:space-between;align-items:flex-start;gap:24px;flex-wrap:wrap;
    padding-bottom:32px;border-bottom:1px solid var(--line-dark);
  }
  .footer-brand{max-width:560px}
  .footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
  .footer-social{display:flex;gap:10px}
  .icon-btn{
    width:44px;height:44px;border-radius:var(--radius-md);
    border:1px solid var(--line-dark);background:rgba(255,255,255,.05);
    display:inline-flex;align-items:center;justify-content:center;color:#fff;
    transition:background var(--ease),border-color var(--ease),transform var(--ease);
  }
  .icon-btn svg{width:20px;height:20px}
  .icon-btn:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);transform:translateY(-1px)}
  .icon-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .footer-cols{display:grid;gap:24px;grid-template-columns:1fr 1fr;padding:32px 0}
  @media (min-width:900px){.footer-cols{grid-template-columns:1fr 1fr 1fr 1.3fr}}
  .footer-col h4{margin:0 0 12px;font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em}
  .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
  .footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--ease)}
  .footer-col a:hover{color:var(--lime)}
  .footer-col a:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
  .footer-contact{
    background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
    border-radius:var(--radius-lg);padding:18px 20px;
  }
  .footer-contact strong{display:block;font-size:15px;color:#fff;margin-bottom:8px}
  .footer-contact p{margin:0 0 8px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62)}
  .footer-bottom{
    display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
    border-top:1px solid var(--line-dark);padding-top:18px;
    font-size:13px;color:rgba(255,255,255,.5);
  }
  .footer-bottom a{color:rgba(255,255,255,.7);transition:color var(--ease)}
  .footer-bottom a:hover{color:var(--lime)}

  @media (max-width:1023px){
    .nav-links{display:none}
    .nav-toggle{display:inline-flex}
    .nav-actions .btn-sm{display:none}
    .logo-text{font-size:15px}
  }
  @media (max-width:520px){
    .hero-card{border-radius:20px}
    .hero-actions .btn{width:100%}
    .footer-cols{grid-template-columns:1fr}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .split-row{padding:18px}
  }

/* roulang page: category3 */
:root{
  --ink:#16201C;
  --ink-2:#5A6660;
  --deep:#0E2A23;
  --deep-2:#143D31;
  --lime:#B8F04A;
  --brick:#B23A2F;
  --sand:#F6F4EF;
  --card:#FFFFFF;
  --line:#E3DFD5;
  --line-dark:rgba(255,255,255,.14);
  --shadow-1:0 2px 8px rgba(14,42,35,.06);
  --shadow-2:0 10px 24px rgba(14,42,35,.10);
  --radius-lg:16px;
  --radius-md:12px;
  --block:64px;
}
@media (min-width:1024px){ :root{ --block:96px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{
  margin:0;
  padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
  text-align:left;
}
img{ max-width:100%; display:block; border:0; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
ul,ol{ margin:0; padding:0; list-style:none; }
p{ margin:0 0 1.15em; }
p:last-child{ margin-bottom:0; }
svg{ display:block; }
h1,h2,h3,h4,h5{ margin:0; font-weight:700; letter-spacing:-.01em; line-height:1.3; }
body h1{ font-size:27px; line-height:1.3; }
body h2{ font-size:22px; line-height:1.35; }
body h3{ font-size:19px; line-height:1.5; }
body h4{ font-size:15px; line-height:1.5; }
@media (min-width:768px){
  body h1{ font-size:36px; line-height:1.25; }
  body h2{ font-size:26px; line-height:1.35; }
}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 22px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1.5px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn svg{ width:16px; height:16px; flex:0 0 auto; }
.btn-primary{ background:var(--lime); color:var(--deep); }
.btn-primary:hover{ background:#A8E23C; transform:translateY(-1px); box-shadow:var(--shadow-2); }
.btn-primary:active{ transform:translateY(0); filter:brightness(.96); }
.btn-outline{ background:transparent; color:var(--deep); border-color:var(--deep); }
.btn-outline:hover{ background:var(--deep); color:#fff; }
.btn-outline:active{ transform:translateY(1px); }
.btn-dark-line{ background:transparent; color:#fff; border-color:rgba(255,255,255,.5); }
.btn-dark-line:hover{ background:#fff; color:var(--deep); }
.btn-sm{ min-height:44px; padding:10px 18px; font-size:14px; }
.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:2px;
}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1;
  background:rgba(184,240,74,.30);
  color:var(--deep);
  border:1px solid rgba(14,42,35,.12);
  white-space:nowrap;
}
.badge-brick{ background:rgba(178,58,47,.10); color:var(--brick); border-color:rgba(178,58,47,.26); }
.badge-dark{ background:rgba(255,255,255,.10); color:#fff; border-color:var(--line-dark); }
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(14,42,35,.05);
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:12.5px;
  line-height:1.6;
}
.chip b{ color:var(--deep); font-weight:700; }

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:12px 0;
  background:var(--sand);
  border-bottom:1px solid transparent;
  transition:box-shadow .18s ease-out,border-color .18s ease-out;
}
.site-header.is-scrolled{
  box-shadow:0 6px 20px rgba(14,42,35,.08);
  border-bottom-color:var(--line);
}
.nav-shell{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  height:68px;
  padding:0 14px;
  background:var(--deep);
  border-radius:var(--radius-lg);
}
@media (max-width:1023px){
  .nav-shell{ height:60px; padding:0 10px; gap:8px; }
}
.logo{ display:inline-flex; align-items:center; gap:10px; flex:0 0 auto; }
.logo-mark{
  position:relative;
  width:28px;
  height:28px;
  border-radius:8px;
  background:var(--lime);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";
  position:absolute;
  left:6px;
  right:6px;
  top:13px;
  height:2px;
  border-radius:2px;
  background:var(--deep);
  box-shadow:0 -5px 0 var(--deep), 0 5px 0 var(--deep);
}
.logo-text{
  color:#fff;
  font-weight:700;
  font-size:16px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
@media (max-width:1023px){
  .logo-text{ font-size:14px; }
}
.nav-links{ display:flex; align-items:center; gap:6px; }
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:8px 13px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.82);
  font-size:14px;
  line-height:1.4;
  white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.nav-link svg{ width:16px; height:16px; flex:0 0 auto; }
.nav-link:hover{ background:rgba(255,255,255,.14); color:#fff; }
.nav-link:active{ background:rgba(255,255,255,.20); }
.nav-link.is-active{
  background:var(--deep-2);
  color:#fff;
  box-shadow:inset 0 -2px 0 0 var(--lime);
}
.nav-actions{ display:flex; align-items:center; gap:8px; flex:0 0 auto; }
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.08);
  color:#fff;
  align-items:center;
  justify-content:center;
  transition:background .18s ease-out;
}
.nav-toggle:hover{ background:rgba(255,255,255,.18); }
.nav-toggle svg{ width:20px; height:20px; }
@media (max-width:1023px){
  .nav-links{ display:none; }
  .nav-toggle{ display:inline-flex; }
}
@media (max-width:419px){
  .nav-cta{ display:none; }
}

/* 抽屉 */
.nav-drawer{ position:fixed; inset:0; z-index:90; display:none; }
.nav-drawer.is-open{ display:block; }
.drawer-mask{ position:absolute; inset:0; background:rgba(14,42,35,.55); }
.drawer-panel{
  position:absolute;
  top:0;
  right:0;
  bottom:0;
  width:84%;
  max-width:360px;
  padding:18px;
  background:var(--deep);
  display:flex;
  flex-direction:column;
  gap:10px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .18s ease-out;
  box-shadow:-10px 0 30px rgba(0,0,0,.28);
}
.nav-drawer.is-shown .drawer-panel{ transform:translateX(0); }
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:8px;
  margin-bottom:4px;
  border-bottom:1px solid var(--line-dark);
}
.drawer-close{
  width:40px;
  height:40px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.08);
  color:#fff;
  display:grid;
  place-items:center;
  transition:background .18s ease-out;
}
.drawer-close:hover{ background:rgba(255,255,255,.18); }
.drawer-close svg{ width:18px; height:18px; }
.drawer-link{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:56px;
  padding:0 14px;
  border-radius:var(--radius-md);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.86);
  font-size:15px;
  transition:background .18s ease-out,color .18s ease-out;
}
.drawer-link svg{ width:18px; height:18px; flex:0 0 auto; }
.drawer-link .arrow{ margin-left:auto; color:rgba(255,255,255,.45); }
.drawer-link:hover{ background:rgba(255,255,255,.14); color:#fff; }
.drawer-link.is-active{
  background:var(--deep-2);
  color:#fff;
  box-shadow:inset 0 -2px 0 0 var(--lime);
}
.drawer-cta{ margin-top:auto; width:100%; }

/* ============ 通用板块 ============ */
.section{ padding:var(--block) 0; }
.section--alt{ background:#fff; }
.section--deep{ background:var(--deep); color:#fff; }
.section--deep p{ color:rgba(255,255,255,.72); }
.section-head{ max-width:720px; margin:0 auto 36px; text-align:center; }
.section-head h2{ margin:12px 0 12px; }
.section-head p{ color:var(--ink-2); font-size:15px; line-height:1.85; margin:0; }
.section--deep .section-head p{ color:rgba(255,255,255,.72); }

/* ============ Hero ============ */
.hero-narrow{
  padding:32px 0 52px;
  background-color:var(--sand);
  background-image:linear-gradient(rgba(246,244,239,.94),rgba(246,244,239,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
@media (min-width:1024px){
  .hero-narrow{ padding:48px 0 72px; }
}
.breadcrumb{
  display:flex;
  align-items:center;
  justify-content:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  color:var(--ink-2);
  margin-bottom:22px;
}
.breadcrumb a{ transition:color .18s ease-out; }
.breadcrumb a:hover{ color:var(--brick); }
.breadcrumb .sep{ opacity:.65; }
.breadcrumb .current{ color:var(--ink); font-weight:600; }
.hero-center{ max-width:760px; margin:0 auto; text-align:center; }
.hero-center h1{ margin:14px 0 16px; }
.hero-center .lead{
  font-size:16px;
  color:var(--ink-2);
  max-width:620px;
  margin:0 auto 26px;
}
.hero-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }
.hero-chips{ display:flex; flex-wrap:wrap; gap:10px; justify-content:center; margin-top:26px; }
.hero-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
  max-width:780px;
  margin:36px auto 0;
}
@media (min-width:768px){
  .hero-stats{ grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
}
.stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:14px 16px;
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.stat:hover{ border-color:var(--deep); box-shadow:var(--shadow-2); transform:translateY(-2px); }
.stat-value{
  font-size:24px;
  font-weight:700;
  color:var(--deep);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-value small{ font-size:12.5px; font-weight:600; color:var(--ink-2); margin-left:3px; }
.stat-label{ font-size:12.5px; color:var(--ink-2); margin-top:4px; }

/* ============ 快捷入口宫格 ============ */
.entry-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:640px){
  .entry-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (min-width:1024px){
  .entry-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
}
.entry-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.entry-card:hover{
  border-color:var(--deep);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.entry-icon{
  width:44px;
  height:44px;
  border-radius:var(--radius-md);
  display:grid;
  place-items:center;
  background:rgba(184,240,74,.26);
  border:1px solid rgba(14,42,35,.08);
  color:var(--deep);
}
.entry-icon svg{ width:24px; height:24px; }
.entry-card h3{ font-size:19px; }
.entry-card p{ font-size:14px; color:var(--ink-2); line-height:1.8; margin:0; }
.entry-link{
  margin-top:auto;
  padding-top:6px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--deep);
  transition:color .18s ease-out;
}
.entry-link svg{ width:14px; height:14px; transition:transform .18s ease-out; }
.entry-card:hover .entry-link{ color:var(--brick); }
.entry-card:hover .entry-link svg{ transform:translateX(3px); }

/* ============ 上手路径 ============ */
.path-wrap{ display:grid; gap:24px; align-items:start; }
@media (min-width:1024px){
  .path-wrap{ grid-template-columns:1.05fr .95fr; gap:32px; align-items:center; }
}
.steps{ display:grid; gap:14px; }
.step{
  display:flex;
  gap:16px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.step:hover{ border-color:var(--deep); box-shadow:var(--shadow-2); }
.step-num{
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:10px;
  background:var(--deep);
  color:var(--lime);
  display:grid;
  place-items:center;
  font-size:14px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step h3{ font-size:17px; margin-bottom:4px; }
.step p{ font-size:14px; color:var(--ink-2); margin:0; line-height:1.8; }
.image-frame{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--sand);
  box-shadow:var(--shadow-1);
}
.image-frame img{ width:100%; height:100%; object-fit:cover; }
.path-media{ position:relative; }
.path-media .media-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(14,42,35,.86);
  color:#fff;
  font-size:12.5px;
  line-height:1.6;
}
.path-media .media-tag i{
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--lime);
  display:inline-block;
}

/* ============ 响应渠道 ============ */
.channel-grid{ display:grid; grid-template-columns:1fr; gap:20px; }
@media (min-width:768px){
  .channel-grid{ grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; }
}
.channel-card{
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  gap:10px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.channel-card:hover{ border-color:var(--deep); box-shadow:var(--shadow-2); transform:translateY(-2px); }
.channel-card h3{ font-size:19px; }
.channel-card p{ font-size:14px; color:var(--ink-2); line-height:1.8; margin:0; }
.channel-time{
  font-size:12.5px;
  font-weight:700;
  color:var(--deep);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}

/* ============ FAQ ============ */
.faq-groups{ display:grid; gap:28px; }
@media (min-width:1024px){
  .faq-groups{ grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
}
.faq-group-head{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  flex-wrap:wrap;
}
.faq-group-head h3{ font-size:19px; }
.faq-list{ display:grid; gap:12px; }
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background .18s ease-out;
}
.faq-item:hover{ border-color:rgba(14,42,35,.28); }
.faq-item.is-open{
  border-color:rgba(14,42,35,.28);
  box-shadow:inset 3px 0 0 0 var(--lime);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  text-align:left;
  color:var(--ink);
  transition:background .18s ease-out;
}
.faq-q:hover{ background:rgba(246,244,239,.7); }
.faq-toggle{
  position:relative;
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(14,42,35,.07);
  display:grid;
  place-items:center;
  transition:background .18s ease-out;
}
.faq-toggle::before,
.faq-toggle::after{
  content:"";
  position:absolute;
  background:var(--deep);
  border-radius:2px;
  transition:opacity .18s ease-out;
}
.faq-toggle::before{ width:12px; height:2px; }
.faq-toggle::after{ width:2px; height:12px; }
.faq-item.is-open .faq-toggle{ background:var(--lime); }
.faq-item.is-open .faq-toggle::after{ opacity:0; }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .18s ease-out;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.9;
  color:var(--ink-2);
}

/* ============ 联系卡片 / 表单 ============ */
.contact-card{
  display:grid;
  gap:26px;
  padding:24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);
}
@media (min-width:768px){ .contact-card{ padding:32px; } }
@media (min-width:1024px){
  .contact-card{ grid-template-columns:1fr 1.08fr; gap:36px; }
}
.contact-intro h2{ margin-bottom:12px; }
.contact-intro p{ font-size:15px; color:var(--ink-2); }
.contact-points{ display:grid; gap:10px; margin:18px 0 22px; }
.contact-points li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--ink);
  line-height:1.8;
}
.contact-points svg{
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin-top:5px;
  color:var(--deep);
}
.contact-photo{ margin-top:4px; }
.contact-photo img{ width:100%; height:180px; object-fit:cover; }

.field-row{ display:grid; gap:16px; }
@media (min-width:640px){
  .field-row{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
.field{ display:block; margin-bottom:16px; }
.field:last-of-type{ margin-bottom:0; }
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:6px;
  color:var(--ink);
}
.req{ color:var(--brick); margin-left:2px; }
.field input,
.field select,
.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  font-family:inherit;
  font-size:15px;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{
  height:auto;
  min-height:104px;
  padding:12px 14px;
  line-height:1.8;
  resize:vertical;
}
.field input::placeholder,
.field textarea::placeholder{ color:#9AA49E; }
.field input:hover,
.field select:hover,
.field textarea:hover{ border-color:#C9C3B5; }
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--deep);
  box-shadow:0 0 0 2px rgba(184,240,74,.9);
}
.form-actions{ display:flex; flex-wrap:wrap; align-items:center; gap:14px; margin-top:20px; }
.form-actions .btn{ width:100%; }
@media (min-width:640px){
  .form-actions .btn{ width:auto; }
}
.form-note{ font-size:12.5px; color:var(--ink-2); line-height:1.7; }
.form-feedback{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:var(--radius-md);
  background:rgba(184,240,74,.20);
  border:1px solid rgba(14,42,35,.14);
  font-size:13.5px;
  color:var(--deep);
}
.form-feedback.is-visible{ display:block; }

/* ============ CTA ============ */
.cta-band{
  max-width:920px;
  margin:0 auto;
  padding:32px 24px;
  text-align:center;
  background:var(--deep-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-lg);
}
@media (min-width:768px){ .cta-band{ padding:40px 40px; } }
.cta-band h2{ color:#fff; margin-bottom:12px; }
.cta-band p{ color:rgba(255,255,255,.74); font-size:15px; max-width:620px; margin:0 auto 24px; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-start;
  gap:24px;
  padding-bottom:24px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand .logo{ margin-bottom:12px; }
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  max-width:520px;
  margin:0;
  color:rgba(255,255,255,.72);
}
.footer-social{ display:flex; gap:10px; }
.icon-btn{
  width:40px;
  height:40px;
  border-radius:var(--radius-md);
  border:1px solid var(--line-dark);
  display:grid;
  place-items:center;
  color:#fff;
  transition:background .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.icon-btn svg{ width:18px; height:18px; }
.icon-btn:hover{ background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.35); transform:translateY(-1px); }
.footer-cols{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  padding:32px 0;
}
@media (min-width:768px){
  .footer-cols{ grid-template-columns:repeat(4,minmax(0,1fr)); }
}
.footer-col h4{ color:#fff; margin-bottom:12px; }
.footer-col li{ margin-bottom:8px; }
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  transition:color .18s ease-out;
}
.footer-col a:hover{ color:var(--lime); }
.footer-contact{
  grid-column:span 2;
  padding:16px;
  background:var(--deep-2);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-md);
}
@media (min-width:768px){
  .footer-contact{ grid-column:span 1; }
}
.footer-contact strong{ display:block; color:#fff; font-size:14px; margin-bottom:8px; }
.footer-contact p{ font-size:13px; line-height:1.8; color:rgba(255,255,255,.72); margin:0 0 8px; }
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:16px;
  border-top:1px solid var(--line-dark);
  font-size:12.5px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{ color:rgba(255,255,255,.72); transition:color .18s ease-out; }
.footer-bottom a:hover{ color:var(--lime); }