/* roulang page: index */
/* ========== 1. 设计变量 ========== */
:root{
  --ink:#1E3A34;
  --ink-deep:#152B26;
  --ink-light:#2F5C4C;
  --accent:#C8462F;
  --accent-deep:#B23A2E;
  --accent-soft:#F6E4DE;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --line:#E3DCCE;
  --line-strong:#CFC6B4;
  --text:#22302B;
  --muted:#5C6B65;
  --dim:#9AA5A0;
  --footer-bg:#14211E;
  --footer-fg:#C9D3CE;
  --ok:#3E7D64;
  --warn:#B8862F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,33,30,.05);
  --sh-2:0 14px 34px -14px rgba(20,33,30,.16);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ease:160ms ease;
}
/* ========== 2. 基础 reset ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--sans);
  font-size:17px;line-height:1.85;letter-spacing:.01em;
  color:var(--text);background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;margin:0;}
h1{font-size:clamp(30px,4.6vw,50px);}
h2{font-size:clamp(24px,3.2vw,36px);}
h3{font-size:20px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--ink-light);text-decoration:none;transition:color var(--ease),border-color var(--ease);}
a:hover,a:focus{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent-soft);color:var(--accent-deep);}
/* Foundation 默认外观覆盖 */
body,button,input,select,textarea{font-family:var(--sans);}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
.grid-x{margin-left:0;margin-right:0;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x > .cell{margin-left:12px;margin-right:12px;}
.grid-margin-x > .cell.small-12,.grid-margin-x > .cell{width:calc(100% - 24px);}
@media screen and (min-width:640px){
  .grid-margin-x > .cell.medium-6{width:calc(50% - 24px);}
}
@media screen and (min-width:1024px){
  .grid-margin-x > .cell.large-4{width:calc(33.3333% - 24px);}
  .grid-margin-x > .cell.large-5{width:calc(41.6667% - 24px);}
  .grid-margin-x > .cell.large-7{width:calc(58.3333% - 24px);}
}
.grid-margin-y{margin-top:-12px;margin-bottom:-12px;}
.grid-margin-y > .cell{margin-top:12px;margin-bottom:12px;}
/* ========== 3. 通用组件 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1.4;
  padding:14px 30px;border-radius:var(--r-btn);border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn:hover,.btn:focus{text-decoration:none;transform:translateY(-2px);}
.btn-solid{background:var(--ink);border-color:var(--ink);color:#fff;}
.btn-solid:hover,.btn-solid:focus{background:var(--ink-deep);border-color:var(--ink-deep);color:#fff;box-shadow:var(--sh-2);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-deep);border-color:var(--accent-deep);color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--ink);border-color:var(--ink);color:#fff;}
.btn-ghost-light{background:transparent;border-color:rgba(247,244,238,.55);color:#F7F4EE;}
.btn-ghost-light:hover,.btn-ghost-light:focus{background:#F7F4EE;border-color:#F7F4EE;color:var(--ink);}
.badge{
  display:inline-block;font-size:12px;line-height:1;letter-spacing:.04em;
  padding:6px 12px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#A33A26;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line-strong);padding-bottom:3px;
}
.text-link::after{content:"→";transition:transform var(--ease);}
.text-link:hover,.text-link:focus{color:var(--accent);border-color:var(--accent);text-decoration:none;}
.text-link:hover::after{transform:translateX(3px);}
.lead{color:var(--muted);font-size:17px;line-height:1.9;max-width:560px;}
/* ========== 4. 顶部导航 ========== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;height:72px;
  display:flex;align-items:center;
  --nav-fg:#F7F4EE;
  color:var(--nav-fg);
  background:transparent;border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.site-header.is-scrolled{
  --nav-fg:#1E3A34;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--line);
  -webkit-backdrop-filter:saturate(140%) blur(8px);
  backdrop-filter:saturate(140%) blur(8px);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;width:100%;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:.01em;
  color:var(--nav-fg);white-space:nowrap;
}
.brand:hover,.brand:focus{color:var(--nav-fg);text-decoration:none;}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);flex:0 0 9px;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:15px;letter-spacing:.02em;color:var(--nav-fg);
  padding:6px 0;transition:color var(--ease);
}
.nav-links a:hover,.nav-links a:focus{color:var(--accent);text-decoration:none;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-links a.active::before{
  content:"";position:absolute;left:-14px;top:50%;margin-top:-3px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.nav-cta{
  font-size:14px;font-weight:600;padding:9px 20px;white-space:nowrap;
  border:1px solid var(--nav-fg);border-radius:var(--r-btn);color:var(--nav-fg);
  transition:background var(--ease),color var(--ease),transform var(--ease),border-color var(--ease);
}
.nav-cta:hover,.nav-cta:focus{
  background:var(--ink);border-color:var(--ink);color:#fff;
  text-decoration:none;transform:translateY(-1px);
}
.nav-toggle{display:none;position:relative;width:44px;height:44px;border-radius:8px;flex:0 0 44px;}
.nav-toggle span{
  position:absolute;left:11px;width:22px;height:2px;border-radius:2px;
  background:var(--nav-fg);transition:transform var(--ease),opacity var(--ease),background var(--ease);
}
.nav-toggle span:nth-child(1){top:15px;}
.nav-toggle span:nth-child(2){top:21px;}
.nav-toggle span:nth-child(3){top:27px;}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.nav-drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:75;
  background:var(--bg);border-top:1px solid var(--line);
  overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.nav-drawer ul{padding:8px 20px 0;}
.nav-drawer li{border-bottom:1px solid var(--line);}
.nav-drawer a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:18px;color:var(--ink);
}
.nav-drawer a.active{color:var(--accent);}
.nav-drawer a::after{content:"→";font-size:14px;color:var(--dim);}
.drawer-foot{padding:24px 20px 48px;color:var(--muted);font-size:14px;line-height:2;}
.drawer-foot strong{display:block;color:var(--ink);font-size:15px;margin-bottom:6px;font-weight:600;}
/* ========== 5. Hero ========== */
.hero{position:relative;overflow:hidden;background:var(--ink-deep);padding:150px 0 100px;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(21,43,38,.76) 0%,rgba(30,58,52,.60) 45%,rgba(21,43,38,.84) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-copy{padding-right:24px;}
.hero-eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.16em;
  color:#E88270;background:rgba(200,70,47,.16);
  border:1px solid rgba(200,70,47,.5);
  padding:6px 15px;border-radius:var(--r-pill);margin-bottom:24px;
}
.hero h1{color:#fff;margin-bottom:20px;letter-spacing:-.01em;}
.hero-sub{
  color:rgba(247,244,238,.88);font-size:18px;line-height:1.9;
  max-width:560px;margin-bottom:34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:38px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 30px;font-size:13px;color:rgba(247,244,238,.75);}
.hero-badges li{position:relative;padding-left:20px;}
.hero-badges li::before{
  content:"";position:absolute;left:0;top:50%;margin-top:-3px;
  width:6px;height:6px;border-radius:1px;background:var(--accent);
}
.hero-media{margin-top:44px;}
.hero-media img{
  width:100%;border-radius:var(--r-img);
  border:1px solid rgba(247,244,238,.22);
  box-shadow:0 24px 50px -20px rgba(0,0,0,.55);
}
/* ========== 6. 板块通用 ========== */
.section{padding:104px 0;}
.section + .section{border-top:1px solid var(--line);}
.section-alt{background:var(--bg-alt);}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  flex-wrap:wrap;margin-bottom:52px;
}
.sec-kicker{display:block;font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--accent);margin-bottom:12px;}
.sec-title{margin-bottom:0;}
.sec-desc{color:var(--muted);font-size:16px;max-width:620px;margin-top:14px;}
/* ========== 7. 价值主张 ========== */
.value-left{padding-right:24px;}
.value-left .sec-title{margin-bottom:20px;}
.value-left .lead{margin-bottom:28px;}
.adv-list{margin-top:-8px;}
.adv-list li{display:flex;gap:20px;padding:24px 0;border-bottom:1px solid var(--line);}
.adv-list li:first-child{padding-top:0;}
.adv-list li:last-child{border-bottom:0;padding-bottom:0;}
.adv-no{
  flex:0 0 34px;font-family:var(--serif);font-size:14px;font-weight:700;
  letter-spacing:.06em;color:var(--accent);padding-top:4px;
}
.adv-list h3{font-size:18px;margin-bottom:6px;}
.adv-list p{color:var(--muted);font-size:15.5px;line-height:1.85;margin:0;}
/* ========== 8. 功能分组 ========== */
.feature-row{margin-bottom:32px;}
.feature-row:last-child{margin-bottom:0;}
.feature-card{
  height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,58,52,.28);}
.feature-card--media img{border-radius:12px;width:100%;height:220px;object-fit:cover;margin-bottom:26px;}
.feature-card h3{font-size:22px;margin:14px 0 12px;}
.feature-card p{color:var(--muted);font-size:15.5px;}
.tick-list{margin-top:18px;}
.tick-list li{
  display:flex;gap:10px;font-size:15px;color:var(--muted);
  padding:7px 0;line-height:1.75;
}
.tick-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:var(--ok);margin-top:10px;
}
.feature-plain{display:flex;flex-direction:column;justify-content:center;}
/* ========== 9. 使用场景时间轴 ========== */
.scene-track{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line-strong);}
.scene-step{position:relative;padding:40px 32px 0 0;border-right:1px solid var(--line);}
.scene-step:last-child{border-right:0;padding-right:0;}
.scene-step::before{
  content:"";position:absolute;top:-5px;left:0;
  width:10px;height:10px;border-radius:2px;background:var(--accent);
}
.scene-tag{
  display:inline-block;font-size:12px;letter-spacing:.1em;font-weight:600;
  color:var(--ink-light);background:rgba(47,92,76,.09);
  padding:5px 12px;border-radius:var(--r-pill);margin-bottom:18px;
}
.scene-step h3{font-size:19px;margin-bottom:12px;}
.scene-step p{color:var(--muted);font-size:15.5px;margin:0;}
.scene-result{
  display:inline-block;margin-top:18px;font-size:13px;color:var(--accent);
  border-top:1px solid var(--line);padding-top:12px;
}
/* ========== 10. 案例 ========== */
.case-hero{
  display:grid;grid-template-columns:1.2fr 1fr;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;margin-bottom:36px;
}
.case-hero img{width:100%;height:100%;min-height:300px;object-fit:cover;}
.case-body{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;}
.case-body h3{font-size:22px;margin:16px 0 14px;}
.case-body p{color:var(--muted);font-size:15.5px;}
.case-stats{display:flex;gap:36px;margin-top:26px;flex-wrap:wrap;}
.case-stat strong{display:block;font-family:var(--serif);font-size:26px;color:var(--ink);line-height:1.2;}
.case-stat span{font-size:13px;color:var(--dim);letter-spacing:.06em;}
.case-list li{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.case-list li:first-child{border-top:1px solid var(--line);}
.case-list a{font-size:16px;font-weight:600;color:var(--ink);}
.case-list a:hover{color:var(--accent);}
.case-list span{font-size:13px;color:var(--dim);white-space:nowrap;}
/* ========== 11. 方案档位 ========== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:38px 32px 32px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.price-card h3{font-size:20px;margin-bottom:10px;}
.price-card .price-desc{color:var(--muted);font-size:15px;margin-bottom:22px;}
.price-card.is-featured{border:1.5px solid var(--ink);box-shadow:var(--sh-2);}
.price-card.is-featured::before{
  content:"推荐";position:absolute;top:0;right:26px;transform:translateY(-50%);
  background:var(--accent);color:#fff;font-size:12px;letter-spacing:.06em;
  padding:4px 14px;border-radius:var(--r-pill);
}
.price-list{margin-bottom:28px;flex:1;}
.price-list li{display:flex;gap:10px;padding:9px 0;font-size:15px;color:var(--muted);line-height:1.7;}
.price-list li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:var(--ok);margin-top:9px;
}
.price-foot{font-size:13px;color:var(--dim);border-top:1px solid var(--line);padding-top:16px;margin-bottom:20px;}
/* ========== 12. 最新信息（CMS 列表） ========== */
.news-card{
  height:100%;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(30,58,52,.28);}
.news-card-link{display:block;padding:28px;height:100%;color:inherit;}
.news-card-link:hover,.news-card-link:focus{text-decoration:none;color:inherit;}
.news-title{
  font-size:19px;line-height:1.5;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-excerpt{
  color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 20px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--dim);letter-spacing:.06em;}
.news-meta::before{content:"";width:16px;height:1px;background:var(--line-strong);}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;color:var(--muted);
}
.empty-state p{font-size:15px;margin-bottom:20px;}
/* ========== 13. FAQ ========== */
.faq-wrap{max-width:760px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;
  gap:24px;text-align:left;padding:22px 0;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-q:hover{color:var(--ink-light);}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-icon{position:relative;flex:0 0 16px;width:16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:1px;
  transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{top:7px;left:0;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a p{color:var(--muted);font-size:15.5px;line-height:1.9;padding-bottom:24px;margin:0;max-width:700px;}
.faq-item.is-open .faq-a{max-height:460px;}
/* ========== 14. CTA ========== */
.cta-band{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:84px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-inner p{color:var(--muted);font-size:16px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}
/* ========== 15. 页脚 ========== */
.site-footer{background:var(--footer-bg);color:var(--footer-fg);padding:80px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;padding-bottom:56px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:22px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-note{font-size:14px;line-height:1.95;color:rgba(201,211,206,.82);max-width:320px;margin-bottom:20px;}
.footer-contact{font-size:14px;line-height:2.1;color:rgba(201,211,206,.82);}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--sans);letter-spacing:.04em;}
.site-footer li{line-height:1;}
.site-footer li a{display:inline-block;font-size:14px;line-height:2.2;color:var(--footer-fg);}
.site-footer li a:hover,.site-footer li a:focus{color:var(--accent);text-decoration:none;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0;display:flex;justify-content:space-between;align-items:center;
  gap:20px;flex-wrap:wrap;font-size:13px;color:rgba(201,211,206,.7);
}
.footer-bottom a{color:rgba(201,211,206,.7);font-size:13px;}
.footer-bottom a:hover{color:var(--accent);}
/* ========== 16. 响应式 ========== */
@media screen and (max-width:1279px){
  .hero{padding:140px 0 88px;}
}
@media screen and (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;}
  .section{padding:72px 0;}
  .hero{padding:120px 0 72px;}
  .hero-copy{padding-right:0;}
  .hero-media{order:-1;margin-top:0;margin-bottom:36px;}
  .sec-head{margin-bottom:40px;}
  .adv-list{margin-top:36px;}
  .value-left{padding-right:0;margin-bottom:8px;}
  .scene-track{grid-template-columns:1fr;}
  .scene-step{border-right:0;border-bottom:1px solid var(--line);padding:30px 0 30px 22px;}
  .scene-step:last-child{border-bottom:0;padding-bottom:0;}
  .scene-step::before{left:0;}
  .case-hero{grid-template-columns:1fr;}
  .case-hero img{min-height:240px;}
  .case-body{padding:32px 28px;}
  .price-grid{grid-template-columns:1fr 1fr;}
  .price-card.is-featured{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .cta-band{padding:64px 0;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .grid-margin-x{margin-left:0;margin-right:0;}
  .grid-margin-x > .cell{margin-left:0;margin-right:0;width:100%;}
  .section{padding:56px 0;}
  .hero{padding:110px 0 60px;}
  .hero-sub{font-size:16.5px;}
  .hero-actions{gap:12px;}
  .btn{width:100%;padding:14px 24px;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .hero-badges{gap:10px 22px;}
  .adv-list li{gap:14px;}
  .feature-card{padding:24px;}
  .feature-card--media img{height:180px;}
  .case-body{padding:26px 22px;}
  .case-list li{flex-direction:column;align-items:flex-start;gap:6px;padding:16px 0;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.is-featured{grid-column:span 1;}
  .price-card{padding:30px 24px 26px;}
  .news-card-link{padding:24px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .site-footer{padding:60px 0 0;}
  .cta-inner{gap:26px;}
  .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: article */
:root{
  --primary:#1E3A34;
  --primary-deep:#152B26;
  --primary-light:#2F5C4C;
  --accent:#C8462F;
  --accent-soft:#F6E4DE;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --line:#E3DCCE;
  --line-strong:#CFC6B4;
  --text:#22302B;
  --text-soft:#5C6B65;
  --text-muted:#9AA5A0;
  --ok:#3E7D64;
  --warn:#B8862F;
  --danger:#B23A2E;
  --footer-bg:#14211E;
  --footer-text:#C9D3CE;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,33,30,.05);
  --shadow-2:0 14px 34px -14px rgba(20,33,30,.16);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --ease:160ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary-light);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{margin:0;color:var(--primary);letter-spacing:-.01em;line-height:1.3;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:var(--accent-soft);color:var(--primary-deep);}

.grid-container{max-width:1200px;width:100%;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px;}
.reading-container{max-width:760px;margin-left:auto;margin-right:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;text-decoration:none;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;border-color:var(--primary-deep);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary);color:#fff;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--accent);}
.btn-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  background:var(--bg-alt);color:var(--primary-light);
}
.badge-accent{background:var(--accent-soft);color:var(--accent);}
.badge-soft{background:#E8EFEA;color:var(--primary-light);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,244,238,.95);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.site-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-serif);
  font-size:20px;font-weight:700;color:var(--primary);letter-spacing:.01em;
}
.site-brand:hover{color:var(--primary);text-decoration:none;}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;
  font-size:15px;letter-spacing:.02em;color:var(--text);padding:6px 0;
}
.nav-links a:hover{color:var(--primary);text-decoration:none;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--primary);
  transition:right var(--ease);
}
.nav-links a:hover::after{right:0;}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.nav-links a.active::after{right:0;}
.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:10px;
  align-items:center;justify-content:center;color:var(--primary);
}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:var(--bg);
  display:flex;flex-direction:column;
  padding:24px 24px 32px;
  transform:translateY(-102%);transition:transform 240ms ease;
}
.mobile-drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:44px;margin-bottom:8px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line-strong);border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);
}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;}
.drawer-nav a{
  font-size:18px;line-height:56px;color:var(--text);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--primary);text-decoration:none;}
.drawer-nav a.active{color:var(--primary);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--line);font-size:14px;color:var(--text-soft);line-height:2;}
body.drawer-open{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:28px 0 0;font-size:13px;color:var(--text-muted);}
.crumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb-bar li{display:flex;align-items:center;gap:8px;}
.crumb-bar a{color:var(--text-soft);}
.crumb-bar a:hover{color:var(--primary);}
.crumb-sep{color:var(--line-strong);}
.crumb-current{color:var(--primary);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-head{padding:24px 0 40px;border-bottom:1px solid var(--line);}
.article-head .eyebrow{margin-bottom:14px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.article-title{
  font-family:var(--font-serif);
  font-size:clamp(28px,4vw,46px);
  line-height:1.28;
  margin-bottom:18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-size:14px;color:var(--text-soft);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.article-summary{
  margin-top:22px;font-size:16px;line-height:1.9;color:var(--text-soft);
  padding-left:16px;border-left:3px solid var(--accent);max-width:760px;
}

/* ---------- 正文阅读区 ---------- */
.article-main{padding:56px 0 8px;}
.article-body{font-size:17px;line-height:1.9;color:var(--text);}
.article-body > * + *{margin-top:1.15em;}
.article-body h2{
  position:relative;
  font-family:var(--font-serif);
  font-size:clamp(22px,2.6vw,30px);
  color:var(--primary);
  margin-top:2.2em;
  margin-bottom:.7em;
  padding:1.1em 0 0 16px;
  border-top:1px solid var(--line);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:1.45em;width:3px;height:1.05em;
  background:var(--accent);border-radius:2px;
}
.article-body h3{
  font-size:20px;color:var(--primary-light);margin-top:1.7em;margin-bottom:.6em;
}
.article-body h4{font-size:17px;color:var(--primary);margin-top:1.4em;margin-bottom:.5em;}
.article-body p{color:var(--text);}
.article-body strong{color:var(--primary-deep);}
.article-body a{color:var(--primary);border-bottom:1px solid var(--line-strong);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);text-decoration:none;}
.article-body ul,.article-body ol{padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.6em;line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;
  background:var(--accent);border-radius:2px;
}
.article-body ol{counter-reset:artol;}
.article-body ol li{counter-increment:artol;}
.article-body ol li::before{
  content:counter(artol);position:absolute;left:0;top:.1em;
  color:var(--accent);font-size:14px;font-weight:700;letter-spacing:.08em;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:2px solid var(--primary);
  background:var(--bg);
  border-radius:0 10px 10px 0;
  color:var(--text-soft);
  font-size:16px;
}
.article-body blockquote p{color:var(--text-soft);margin:0;}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:1.6em auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:table;
}
.article-body th,.article-body td{
  padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;
}
.article-body th{background:var(--bg-alt);color:var(--primary);font-weight:600;letter-spacing:.02em;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body code{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-size:14px;color:var(--primary-deep);
}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:40px 28px;text-align:center;background:var(--card);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:50%;
  background:var(--accent-soft);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.empty-state h3{font-size:19px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text-soft);max-width:44ch;margin:0 auto 22px;}

/* ---------- 标签与分享 ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-list .tag-label{font-size:13px;color:var(--text-muted);letter-spacing:.08em;margin-right:4px;}
.share-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--text-soft);background:var(--card);
}
.share-btn:hover{color:var(--primary);border-color:var(--primary);text-decoration:none;box-shadow:var(--shadow-1);}

/* ---------- 相关推荐 ---------- */
.related{padding:64px 0 8px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-head h2{font-family:var(--font-serif);font-size:clamp(22px,2.8vw,30px);}
.section-head .section-desc{font-size:15px;color:var(--text-soft);margin-top:10px;max-width:60ch;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.content-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.content-card:hover{
  transform:translateY(-2px);border-color:rgba(30,58,52,.3);
  box-shadow:var(--shadow-2);text-decoration:none;color:inherit;
}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 240ms ease;}
.content-card:hover .card-thumb img{transform:scale(1.03);}
.card-thumb .thumb-badge{position:absolute;left:14px;top:14px;}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:18px;line-height:1.5;color:var(--primary);}
.card-body p{font-size:14px;line-height:1.8;color:var(--text-soft);}
.card-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--text-muted);letter-spacing:.02em;
}
.card-meta .meta-sep{color:var(--line-strong);}
.card-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 返回入口 ---------- */
.back-nav{padding:40px 0 0;}
.back-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.back-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
}
.back-item .back-label{font-size:13px;color:var(--text-muted);letter-spacing:.08em;margin-bottom:6px;display:block;}
.back-item .back-title{font-size:16px;font-weight:600;color:var(--primary);}
.back-item .back-arrow{color:var(--accent);font-size:18px;flex:0 0 auto;}
.back-item:hover{border-color:rgba(30,58,52,.3);box-shadow:var(--shadow-2);text-decoration:none;}

/* ---------- CTA ---------- */
.cta-band{margin-top:72px;background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-inner{padding:64px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-copy{max-width:640px;}
.cta-copy h2{font-family:var(--font-serif);font-size:clamp(22px,2.8vw,30px);margin-bottom:12px;}
.cta-copy p{font-size:16px;color:var(--text-soft);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:var(--footer-text);margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding:72px 0 48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-serif);font-size:20px;font-weight:700;color:#fff;margin-bottom:18px;
}
.footer-note{font-size:14px;line-height:2;color:var(--footer-text);max-width:36ch;}
.footer-contact{margin-top:20px;font-size:14px;line-height:2.1;color:var(--footer-text);}
.footer-contact strong{color:#fff;font-weight:600;margin-right:4px;}
.site-footer h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:18px;font-weight:600;}
.site-footer ul li{margin-bottom:2px;}
.site-footer ul a{font-size:14px;line-height:2.2;color:var(--footer-text);}
.site-footer ul a:hover{color:var(--accent);text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;font-size:13px;color:var(--footer-text);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;padding:56px 0 40px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-main{padding:44px 0 8px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .article-head{padding:18px 0 32px;}
  .article-summary{font-size:15px;}
  .article-main{padding:36px 0 4px;}
  .related{padding:52px 0 4px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .back-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{padding:52px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;justify-content:center;}
}
@media screen and (max-width:639px){
  .header-inner{height:64px;}
  .site-brand{font-size:18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .article-title{font-size:26px;}
  .article-body{font-size:16px;}
  .article-body table{font-size:14px;}
  .article-body th,.article-body td{padding:10px 12px;}
  .share-list{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand:#1E3A34;
  --brand-deep:#152B26;
  --brand-soft:#2F5C4C;
  --accent:#C8462F;
  --accent-deep:#B23A2E;
  --accent-soft:#F6E4DE;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --line:#E3DCCE;
  --line-strong:#CFC6B4;
  --ink:#22302B;
  --ink-2:#5C6B65;
  --ink-3:#9AA5A0;
  --footer:#14211E;
  --footer-ink:#C9D3CE;
  --ok:#3E7D64;
  --warn:#B8862F;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(20,33,30,.05);
  --sh2:0 14px 34px -14px rgba(20,33,30,.16);
  --ease:160ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  color:var(--brand);
  line-height:1.32;
  letter-spacing:-.01em;
  margin:0;
}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
img{max-width:100%;display:block;border-style:none;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:"Noto Serif SC","Songti SC",serif;font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.01em;white-space:nowrap;}
.brand:hover{color:var(--brand);text-decoration:none;}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:32px;}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);letter-spacing:.02em;
  padding:6px 0;transition:color var(--ease);
}
.nav-links a:hover{color:var(--brand);text-decoration:none;}
.nav-links a.active{color:var(--brand);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);
}
.nav-links a.active::before{
  content:"";position:absolute;left:-13px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  border:1px solid var(--brand);border-radius:var(--r-btn);color:var(--brand);
  font-size:14px;letter-spacing:.02em;background:transparent;transition:all var(--ease);white-space:nowrap;
}
.nav-cta:hover{background:var(--brand);color:#fff;text-decoration:none;}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  background:transparent;color:var(--brand);font-size:18px;line-height:1;cursor:pointer;align-items:center;justify-content:center;
}
.nav-drawer{
  display:none;position:fixed;inset:0;z-index:90;background:var(--bg);
  padding:24px 20px 48px;overflow-y:auto;
}
.nav-drawer.open{display:block;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:40px;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:transparent;color:var(--brand);font-size:18px;cursor:pointer;}
.drawer-links{display:flex;flex-direction:column;margin-top:8px;}
.drawer-links a{font-size:18px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-links a:hover{color:var(--accent);text-decoration:none;}
.drawer-links a.active{color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:28px;font-size:14px;color:var(--ink-2);line-height:2;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;letter-spacing:.02em;cursor:pointer;transition:all var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-soft);color:#fff;box-shadow:var(--sh2);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand);color:#fff;}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-deep);color:#fff;box-shadow:var(--sh2);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-ghost-light:hover{background:#fff;color:var(--brand);}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.08em;background:var(--accent-soft);color:var(--accent);line-height:1.6;
}
.tag-quiet{background:#E8EEEA;color:var(--brand-soft);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.16em;
  color:var(--accent);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-line{border-top:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px;}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.9;}
.lead{font-size:18px;line-height:1.9;color:var(--ink-2);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:76px 0 84px;
  background-image:linear-gradient(rgba(21,43,38,.72),rgba(30,58,52,.66)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#EDF2EF;
}
.crumb{font-size:13px;color:rgba(237,242,239,.72);margin-bottom:28px;letter-spacing:.02em;}
.crumb a{color:rgba(237,242,239,.82);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumb span.sep{margin:0 8px;color:rgba(237,242,239,.45);}
.crumb .current{color:#fff;}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.6vw,50px);line-height:1.28;max-width:820px;margin-bottom:20px;
}
.page-hero .hero-lead{
  font-size:18px;line-height:1.9;color:rgba(237,242,239,.88);max-width:720px;margin-bottom:32px;
}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:0 28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);
  list-style:none;max-width:900px;
}
.hero-badges li{
  font-size:13px;letter-spacing:.06em;color:rgba(237,242,239,.85);padding:6px 0;position:relative;
}
.hero-badges li + li::before{
  content:"";position:absolute;left:-15px;top:50%;width:1px;height:14px;background:rgba(255,255,255,.25);transform:translateY(-50%);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}

/* ---------- 概览 ---------- */
.overview-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;}
.overview-grid h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:18px;}
.overview-grid .intro{font-size:16px;color:var(--ink-2);line-height:1.9;}
.fact-list{display:flex;flex-direction:column;}
.fact{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--line);}
.fact:first-child{padding-top:0;}
.fact:last-child{border-bottom:none;padding-bottom:0;}
.fact-num{
  font-family:"Noto Serif SC",serif;font-size:15px;letter-spacing:.08em;color:var(--accent);
  min-width:30px;padding-top:4px;line-height:1.4;
}
.fact h3{font-size:18px;margin-bottom:6px;}
.fact p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- Zigzag 模块 ---------- */
.zig-row{
  padding:56px 0;
  border-bottom:1px solid var(--line);
  align-items:center;
}
.zig-row:first-child{padding-top:0;}
.zig-row:last-child{border-bottom:none;padding-bottom:0;}
.zig-media{margin-bottom:0;}
.zig-media img{
  width:100%;height:auto;border-radius:var(--r-img);border:1px solid var(--line);
  box-shadow:var(--sh1);object-fit:cover;aspect-ratio:16/11;
}
.zig-copy h3{font-size:clamp(20px,2.4vw,24px);margin-bottom:14px;}
.zig-copy p{font-size:16px;color:var(--ink-2);line-height:1.9;}
.tick-list{list-style:none;margin-top:18px;}
.tick-list li{
  position:relative;padding-left:24px;margin-bottom:10px;font-size:16px;color:var(--ink-2);line-height:1.85;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--accent-soft);border:1px solid var(--accent);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-size:15px;color:var(--brand);
  border-bottom:1px solid var(--line-strong);padding-bottom:3px;transition:all var(--ease);
}
.text-link:hover{color:var(--accent);border-color:var(--accent);text-decoration:none;gap:12px;}

/* ---------- 流程 ---------- */
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.flow li{border-top:2px solid var(--brand);padding-top:22px;}
.flow-num{
  display:block;font-family:"Noto Serif SC",serif;font-size:30px;line-height:1;color:var(--accent);margin-bottom:12px;
}
.flow h3{font-size:18px;margin-bottom:8px;}
.flow p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ---------- 对照表 ---------- */
.rows{border-top:1px solid var(--line);}
.row-item{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;border-bottom:1px solid var(--line);transition:all var(--ease);
}
.row-item:hover{padding-left:8px;}
.row-item:hover .row-title{color:var(--brand);}
.row-title{font-size:17px;color:var(--ink);font-weight:500;transition:color var(--ease);}
.row-meta{font-size:14px;color:var(--ink-3);letter-spacing:.02em;white-space:nowrap;}

/* ---------- FAQ ---------- */
.faq-list.accordion{background:transparent;border:none;margin:0;}
.faq-list .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);}
.faq-list .accordion-item:first-child{border-top:1px solid var(--line);}
.faq-list .accordion-title{
  position:relative;display:block;padding:24px 56px 24px 0;border:none;background:transparent;
  font-size:17px;font-weight:500;color:var(--ink);line-height:1.6;text-decoration:none;transition:color var(--ease);
}
.faq-list .accordion-title:hover{color:var(--brand);text-decoration:none;}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--accent);background:none;width:auto;height:auto;margin:0;
}
.faq-list .accordion-item.is-active > .accordion-title{color:var(--brand);font-weight:600;}
.faq-list .accordion-item.is-active > .accordion-title::before{content:"–";}
.faq-list .accordion-content{
  padding:0 56px 26px 0;border:none;background:transparent;
  font-size:16px;line-height:1.9;color:var(--ink-2);max-width:760px;
}
.faq-list .accordion-content p{margin-bottom:.8em;}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand);color:#EDF2EF;padding:80px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,32px);margin-bottom:14px;max-width:620px;}
.cta-inner p{color:rgba(237,242,239,.82);font-size:16px;line-height:1.9;max-width:620px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:var(--footer-ink);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-family:"Noto Serif SC",serif;font-size:22px;color:#fff;margin-bottom:18px;
}
.footer-note{font-size:15px;line-height:1.9;color:#9FB0A9;margin:0;}
.footer-contact{font-size:14px;line-height:2;color:#9FB0A9;margin-top:22px;}
.footer-contact strong{color:#fff;font-weight:600;}
.site-footer h4{font-family:inherit;font-size:15px;color:#fff;margin:0 0 18px;letter-spacing:.04em;}
.site-footer ul{list-style:none;}
.site-footer ul li a{font-size:14px;line-height:2.2;color:var(--footer-ink);}
.site-footer ul li a:hover{color:var(--accent);text-decoration:none;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8394 8E;color:#83948E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .overview-grid{grid-template-columns:1fr;gap:40px;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .page-hero{padding:60px 0 68px;}
}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .zig-row{padding:40px 0;}
  .zig-media{margin-bottom:26px;}
  .zig-copy h3{font-size:20px;}
  .cta-band{padding:60px 0;}
  .cta-inner{gap:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .flow{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-badges{gap:0 22px;}
  .hero-badges li + li::before{left:-12px;}
  .row-item{flex-direction:column;align-items:flex-start;gap:6px;}
  .row-meta{white-space:normal;}
  .btn{width:100%;}
  .faq-list .accordion-title{padding-right:44px;}
  .faq-list .accordion-content{padding-right:0;}
}

/* roulang page: category2 */
:root{
  --ink:#1E3A34;
  --ink-deep:#152B26;
  --ink-light:#2F5C4C;
  --accent:#C8462F;
  --accent-soft:#F6E4DE;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --line:#E3DCCE;
  --line-strong:#CFC6B4;
  --text:#22302B;
  --text-muted:#5C6B65;
  --text-disabled:#9AA5A0;
  --footer-bg:#14211E;
  --footer-text:#C9D3CE;
  --ok:#3E7D64;
  --warn:#B8862F;
  --err:#B23A2E;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,33,30,.05);
  --sh-2:0 14px 34px -14px rgba(20,33,30,.16);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:var(--font-serif);
  color:var(--ink);
  line-height:1.3;
  letter-spacing:-.01em;
  margin:0 0 .6em;
  font-weight:600;
}
h1{font-size:clamp(30px,4.6vw,50px);}
h2{font-size:clamp(24px,3.2vw,36px);}
h3{font-size:22px;}
h4{font-size:17px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
a{color:var(--ink);text-decoration:none;transition:color .16s ease,border-color .16s ease,background-color .16s ease;}
a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ---------- 容器 ---------- */
.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:104px 0;}
.section-tight{padding:80px 0;}
.section-alt{background:var(--bg-alt);}
.section-line{border-top:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head p{color:var(--text-muted);font-size:17px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--accent);
  border-left:3px solid var(--accent);
  padding-left:10px;
  line-height:1.4;
  margin-bottom:16px;
}
.lead{font-size:17px;color:var(--text-muted);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.95);
  border-bottom:1px solid var(--line);
  transition:box-shadow .16s ease,background-color .16s ease;
}
.site-header.is-scrolled{box-shadow:0 1px 2px rgba(20,33,30,.05);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:0;
}
.brand:hover{color:var(--ink);text-decoration:none;}
.brand-dot{
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--accent);
  flex:none;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:32px;
}
.nav-links a{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--text);
  padding:6px 0;
}
.nav-links a::before{
  content:"";
  position:absolute;
  left:-12px;
  top:50%;
  transform:translateY(-50%) scale(0);
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  transition:transform .16s ease;
}
.nav-links a:hover{color:var(--ink);text-decoration:none;}
.nav-links a.active{
  color:var(--ink);
  border-bottom:2px solid var(--ink);
}
.nav-links a.active::before{transform:translateY(-50%) scale(1);}
.header-actions{display:flex;align-items:center;gap:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease,box-shadow .16s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--ink);color:#F7F4EE;border-color:var(--ink);}
.btn-primary:hover{background:var(--ink-light);border-color:var(--ink-light);color:#FFFFFF;box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#F7F4EE;}
.btn-light{background:transparent;color:#F7F4EE;border-color:rgba(247,244,238,.55);}
.btn-light:hover{background:#F7F4EE;color:var(--ink);border-color:#F7F4EE;}
.btn-solid-light{background:#F7F4EE;color:var(--ink);border-color:#F7F4EE;}
.btn-solid-light:hover{background:#FFFFFF;color:var(--ink-deep);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-strong);
  background:transparent;
  color:var(--ink);
  font-size:14px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--ink);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:8px 0 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  font-size:18px;
  line-height:56px;
  border-bottom:1px solid var(--line);
  color:var(--text);
}
.mobile-drawer a.active{color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-drawer a.active::after{content:"·";color:var(--accent);margin-left:8px;font-weight:700;}
.mobile-drawer .drawer-foot{
  margin-top:20px;
  font-size:14px;
  color:var(--text-muted);
  line-height:2;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#F7F4EE;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  padding:88px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(30,58,52,.62);
}
.hero .grid-container{position:relative;z-index:1;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.hero h1{color:#FFFFFF;margin-bottom:20px;}
.hero .hero-sub{
  font-size:18px;
  line-height:1.85;
  color:rgba(247,244,238,.88);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px solid rgba(247,244,238,.25);
  padding-top:18px;
  max-width:600px;
}
.hero-badges li{
  font-size:13px;
  letter-spacing:.02em;
  color:rgba(247,244,238,.82);
  padding:0 18px;
  border-left:1px solid rgba(247,244,238,.25);
  line-height:1.6;
}
.hero-badges li:first-child{padding-left:0;border-left:none;}
.hero-figure{
  background:#FFFFFF;
  border-radius:var(--r-img);
  border:1px solid rgba(255,255,255,.4);
  box-shadow:0 24px 60px -24px rgba(0,0,0,.45);
  padding:10px;
  transform:translateY(16px);
}
.hero-figure img{border-radius:12px;}
.hero-figure figcaption{
  font-size:13px;
  color:var(--text-muted);
  padding:12px 6px 4px;
  line-height:1.7;
}
.crumbs{
  font-size:13px;
  color:rgba(247,244,238,.75);
  margin-bottom:24px;
}
.crumbs a{color:rgba(247,244,238,.85);}
.crumbs a:hover{color:#FFFFFF;}
.crumbs span.sep{margin:0 8px;opacity:.6;}
.crumbs .current{color:#FFFFFF;}

/* ---------- 流程 + 目录 ---------- */
.flow-grid{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:56px;
  align-items:start;
}
.toc-wrap{position:sticky;top:104px;}
.toc-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-muted);
  margin-bottom:16px;
}
.toc-list{border-left:1px solid var(--line);}
.toc-list a{
  display:block;
  font-size:14px;
  color:var(--text-muted);
  padding:10px 0 10px 16px;
  margin-left:-1.5px;
  border-left:2px solid transparent;
  line-height:1.6;
}
.toc-list a span{
  display:inline-block;
  font-family:var(--font-serif);
  font-size:12px;
  color:var(--text-disabled);
  margin-right:8px;
}
.toc-list a:hover{color:var(--ink);text-decoration:none;border-left-color:var(--line-strong);}
.toc-list a.is-active{color:var(--ink);border-left-color:var(--accent);}
.toc-list a.is-active span{color:var(--accent);}
.toc-note{
  margin-top:24px;
  font-size:13px;
  color:var(--text-muted);
  line-height:1.9;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.step{
  display:grid;
  grid-template-columns:96px 1fr;
  gap:28px;
  padding:40px 0;
  border-bottom:1px solid var(--line);
}
.step:first-of-type{padding-top:0;}
.step-num{
  font-family:var(--font-serif);
  font-size:46px;
  line-height:1;
  color:var(--accent);
  letter-spacing:.01em;
}
.step h3{margin-bottom:12px;}
.step p{color:var(--text-muted);font-size:16px;max-width:760px;}
.step-list{margin-top:18px;border-top:1px solid var(--line);}
.step-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--text);
  padding:12px 0;
  border-bottom:1px solid var(--line);
  line-height:1.7;
}
.step-list li::before{
  content:"";
  flex:none;
  width:6px;
  height:6px;
  background:var(--accent);
  margin-top:11px;
}
.step-link{
  display:inline-block;
  margin-top:18px;
  font-size:15px;
  color:var(--ink);
  border-bottom:1px solid var(--line-strong);
  padding-bottom:2px;
}
.step-link:hover{color:var(--accent);border-bottom-color:var(--accent);text-decoration:none;}

/* ---------- 行业对照表 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);}
.data-table{width:100%;border-collapse:collapse;min-width:760px;}
.data-table th{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-muted);
  font-weight:500;
  text-align:left;
  padding:18px 20px;
  border-bottom:1px solid var(--line-strong);
  background:var(--bg-alt);
  white-space:nowrap;
}
.data-table td{
  font-size:15px;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  color:var(--text);
  line-height:1.75;
}
.data-table tr:last-child td{border-bottom:none;}
.data-table td strong{color:var(--ink);font-weight:600;}
.table-note{font-size:13px;color:var(--text-muted);margin-top:16px;}

/* ---------- 对比卡 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.compare-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
  transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.compare-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.compare-card.is-featured{border-color:var(--ink);border-width:1px;}
.compare-card h3{margin-bottom:6px;}
.compare-card .card-label{
  display:inline-block;
  font-size:12px;
  letter-spacing:.08em;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--bg-alt);
  color:var(--text-muted);
  margin-bottom:18px;
}
.compare-card.is-featured .card-label{background:var(--accent-soft);color:var(--accent);}
.compare-list li{
  display:flex;
  gap:12px;
  font-size:15px;
  line-height:1.8;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  color:var(--text-muted);
}
.compare-list li:last-child{border-bottom:none;}
.compare-card.is-featured .compare-list li{color:var(--text);}
.compare-list li::before{
  content:"";
  flex:none;
  width:7px;
  height:7px;
  border-radius:50%;
  border:1.5px solid var(--text-disabled);
  margin-top:11px;
}
.compare-card.is-featured .compare-list li::before{
  border-color:var(--accent);
  background:var(--accent);
}

/* ---------- 反馈摘录 ---------- */
.feedback-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.quote-list li{
  border-left:2px solid var(--ink-light);
  background:var(--card);
  border-radius:0 var(--r-card) var(--r-card) 0;
  padding:22px 26px;
  margin-bottom:16px;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  box-shadow:var(--sh-1);
}
.quote-list li span{
  display:block;
  font-size:13px;
  color:var(--text-muted);
  margin-top:10px;
}
.feedback-figure img{border-radius:var(--r-img);border:1px solid var(--line);}

/* ---------- FAQ ---------- */
.faq .accordion{
  background:transparent;
  border:0;
  border-radius:0;
  margin:0;
}
.faq .accordion-item{border-bottom:1px solid var(--line);}
.faq .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  width:100%;
  min-height:64px;
  padding:20px 0;
  background:transparent;
  border:0;
  text-align:left;
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:500;
  color:var(--ink);
  line-height:1.6;
  cursor:pointer;
  transition:color .16s ease;
}
.faq .accordion-item.is-open .accordion-title{color:var(--ink-light);}
.faq .accordion-title:hover{color:var(--accent);}
.faq .accordion-title .sign{
  flex:none;
  font-family:var(--font-serif);
  font-size:20px;
  color:var(--accent);
  line-height:1;
}
.faq .accordion-content{
  display:none;
  background:transparent;
  border:0;
  padding:0 0 24px;
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--text-muted);
}
.faq .accordion-item.is-open .accordion-content{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#F7F4EE;
  border-radius:20px;
  padding:64px 56px;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.cta-band h2{color:#FFFFFF;margin-bottom:14px;}
.cta-band p{color:rgba(247,244,238,.85);font-size:17px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-meta{
  grid-column:1 / -1;
  border-top:1px solid rgba(247,244,238,.2);
  padding-top:22px;
  margin-top:8px;
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  font-size:14px;
  color:rgba(247,244,238,.82);
}
.cta-meta strong{display:block;font-size:12px;letter-spacing:.08em;color:rgba(247,244,238,.6);font-weight:500;margin-bottom:4px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:80px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-serif);
  font-size:20px;
  font-weight:700;
  color:#FFFFFF;
  margin-bottom:16px;
}
.footer-note{
  font-size:15px;
  line-height:1.9;
  color:var(--footer-text);
  max-width:340px;
  margin-bottom:24px;
}
.footer-contact{font-size:14px;line-height:2;color:var(--footer-text);}
.footer-contact strong{color:rgba(255,255,255,.7);font-weight:500;}
.site-footer h4{
  color:#FFFFFF;
  font-size:15px;
  font-family:var(--font-sans);
  font-weight:500;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.site-footer ul li a{
  display:inline-block;
  font-size:14px;
  line-height:2.2;
  color:var(--footer-text);
}
.site-footer ul li a:hover{color:var(--accent);text-decoration:none;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:13px;
  color:rgba(201,211,206,.75);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .hero{padding:64px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{transform:none;}
  .flow-grid{grid-template-columns:1fr;gap:32px;}
  .toc-wrap{position:static;}
  .toc-title{margin-bottom:12px;}
  .toc-list{
    display:flex;
    gap:10px;
    overflow-x:auto;
    border-left:0;
    padding-bottom:10px;
  }
  .toc-list a{
    flex:none;
    border:1px solid var(--line);
    border-left:1px solid var(--line);
    border-radius:var(--r-pill);
    padding:8px 18px;
    margin-left:0;
    white-space:nowrap;
    background:var(--card);
  }
  .toc-list a.is-active{border-color:var(--ink);background:var(--card);}
  .toc-note{display:none;}
  .feedback-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:48px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .compare-grid{grid-template-columns:1fr;}
  .section{padding:72px 0;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .header-inner{height:64px;}
  .brand{font-size:18px;}
  .hero{padding:48px 0 56px;}
  .hero-badges li{font-size:12px;padding:0 12px;}
  .hero-actions .btn{width:100%;}
  .step{grid-template-columns:1fr;gap:12px;padding:32px 0;}
  .step-num{font-size:34px;}
  .data-table{min-width:640px;}
  .data-table th,.data-table td{padding:14px 16px;}
  .quote-list li{padding:18px 20px;}
  .cta-band{padding:36px 22px;border-radius:16px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --primary:#1E3A34;
  --primary-dark:#152B26;
  --primary-light:#2F5C4C;
  --accent:#C8462F;
  --accent-soft:#F6E4DE;
  --bg:#F7F4EE;
  --bg-alt:#EFEAE0;
  --card:#FFFFFF;
  --line:#E3DCCE;
  --line-strong:#CFC6B4;
  --ink:#22302B;
  --ink-2:#5C6B65;
  --ink-3:#9AA5A0;
  --footer-bg:#14211E;
  --footer-ink:#C9D3CE;
  --ok:#3E7D64;
  --warn:#B8862F;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(20,33,30,.05);
  --shadow-2:0 14px 34px -14px rgba(20,33,30,.16);
  --t:160ms ease;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --serif:"Noto Serif SC","Source Han Serif SC",Georgia,"Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img)}
a{color:var(--primary);text-decoration:none;transition:color var(--t),border-color var(--t)}
a:hover{color:var(--accent)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;border:0;background:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4,h5,h6{
  font-family:var(--serif);
  color:var(--primary);
  margin:0;
  line-height:1.3;
  letter-spacing:-.01em;
  font-weight:700;
}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px}
.grid-container.full{padding-left:0;padding-right:0}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.95);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1);background:rgba(247,244,238,.98)}
.header-inner{display:flex;align-items:center;height:72px;gap:24px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--primary);
  white-space:nowrap;
}
.brand:hover{color:var(--primary)}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-links a{
  position:relative;
  font-size:15px;
  letter-spacing:.02em;
  color:var(--ink);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--primary);
  transition:width var(--t);
}
.nav-links a:hover{color:var(--primary)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{width:100%}
.nav-links a.active::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  color:var(--primary);
  font-size:18px;
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--bg-alt)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-primary:hover{background:#B03B26;border-color:#B03B26;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-light{border-color:rgba(255,255,255,.72);color:#fff;background:transparent}
.btn-light:hover{background:#fff;color:var(--primary);border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-block;
  padding:4px 12px;
  font-size:12px;
  letter-spacing:.06em;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent);
}
.tag--plain{background:var(--bg-alt);color:var(--ink-2)}
.tag--ok{background:#E5F0EA;color:var(--ok)}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 面包屑 ============ */
.breadcrumb{font-size:13px;color:var(--ink-2);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{margin:0 8px;color:var(--line-strong)}
.breadcrumb .current{color:var(--primary);font-weight:600}

/* ============ 内页头图 ============ */
.page-hero{
  position:relative;
  padding:64px 0 96px;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(21,43,38,.9) 0%,rgba(30,58,52,.72) 55%,rgba(30,58,52,.55) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.28;
  margin-bottom:20px;
}
.page-hero .breadcrumb{color:rgba(255,255,255,.7)}
.page-hero .breadcrumb a{color:rgba(255,255,255,.78)}
.page-hero .breadcrumb a:hover{color:#fff}
.page-hero .breadcrumb .sep{color:rgba(255,255,255,.4)}
.page-hero .breadcrumb .current{color:#fff}
.hero-lead{
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.85);
  max-width:620px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-badges span{
  font-size:13px;
  letter-spacing:.04em;
  color:rgba(255,255,255,.82);
  padding:0 22px;
  border-right:1px solid rgba(255,255,255,.22);
}
.hero-badges span:first-child{padding-left:0}
.hero-badges span:last-child{border-right:0}
.hero-visual{position:relative}
.hero-visual img{
  border-radius:var(--radius-img);
  border:1px solid rgba(255,255,255,.24);
  box-shadow:0 30px 60px -24px rgba(0,0,0,.45);
}
.hero-visual .visual-note{
  position:absolute;
  left:18px;bottom:18px;
  right:18px;
  background:rgba(21,43,38,.82);
  border:1px solid rgba(255,255,255,.18);
  border-radius:12px;
  padding:14px 16px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.9);
}
.hero-visual .visual-note strong{color:#fff}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:76px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(24px,3.2vw,36px);margin:14px 0 16px}
.section-head p{color:var(--ink-2);font-size:16.5px}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.1em;
  font-weight:600;
  color:var(--accent);
}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 卡片矩阵 ============ */
.res-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.res-card:hover{
  transform:translateY(-2px);
  border-color:rgba(30,58,52,.3);
  box-shadow:var(--shadow-2);
}
.res-card h3{font-size:20px;margin:18px 0 12px}
.res-card p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0 0 22px}
.res-card .card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--ink-2);
}
.card-link{font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:8px}
.card-link i{transition:transform var(--t)}
.card-link:hover{color:var(--accent)}
.card-link:hover i{transform:translateX(4px)}
.res-card:hover h3{color:var(--primary-light)}

/* ============ 对比表 ============ */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card)}
table.compare{width:100%;min-width:720px;border-collapse:collapse;font-size:15px}
table.compare th,table.compare td{
  text-align:left;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  font-family:var(--serif);
  font-size:16px;
  color:var(--primary);
  background:var(--bg-alt);
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
table.compare tbody th{
  font-weight:600;
  color:var(--ink);
  background:transparent;
  white-space:nowrap;
  width:150px;
}
table.compare tbody td{color:var(--ink-2);line-height:1.75}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover td{color:var(--ink)}

/* ============ 细线列表 ============ */
.fact-list{border-top:1px solid var(--line)}
.fact-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  transition:padding-left var(--t),background var(--t);
}
.fact-row:hover{padding-left:10px;background:rgba(255,255,255,.6)}
.fact-row .fact-title{font-size:16.5px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:12px}
.fact-row .fact-title i{color:var(--accent);font-size:13px}
.fact-row:hover .fact-title{color:var(--primary)}
.fact-row .fact-meta{font-size:13.5px;color:var(--ink-2);white-space:nowrap;letter-spacing:.02em}

/* ============ 引述 / 反馈 ============ */
.quote-card{
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid var(--primary);
  border-radius:12px;
  padding:26px 28px;
  box-shadow:var(--shadow-1);
}
.quote-card p{font-size:16px;line-height:1.85;color:var(--ink);margin-bottom:16px}
.quote-card .quote-by{font-size:13.5px;color:var(--ink-2);letter-spacing:.02em}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
}
.stat-item{background:var(--card);padding:26px 24px}
.stat-item .num{font-family:var(--serif);font-size:30px;color:var(--primary);line-height:1.2}
.stat-item .num small{font-size:15px;margin-left:4px;color:var(--ink-2);font-family:var(--sans)}
.stat-item .lbl{font-size:13.5px;color:var(--ink-2);margin-top:8px}

/* ============ FAQ ============ */
.faq{max-width:760px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:44px;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;
  text-align:center;
  font-size:20px;
  font-weight:400;
  color:var(--accent);
  line-height:1;
}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--primary)}
.faq-body{
  padding:0 0 24px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--ink-2);
  max-width:760px;
}
.faq-body a{text-decoration:underline;text-underline-offset:4px}

/* ============ CTA ============ */
.cta-band{
  background:var(--primary);
  color:#fff;
  padding:88px 0;
}
.cta-band h2{color:#fff;font-size:clamp(24px,3.2vw,34px);margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.82);max-width:620px;font-size:16.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-meta{
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.2);
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  font-size:13.5px;
  color:rgba(255,255,255,.75);
}
.cta-meta i{color:var(--accent);margin-right:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:var(--footer-ink);padding:72px 0 0;font-size:14px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--serif);
  font-size:20px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-note{color:rgba(201,211,206,.8);line-height:1.9;font-size:14px;margin-bottom:20px;max-width:340px}
.footer-contact{color:rgba(201,211,206,.8);line-height:2}
.footer-contact strong{color:#fff;font-weight:600}
.site-footer h4{
  font-family:var(--sans);
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.site-footer ul li{line-height:2.2}
.site-footer ul a{color:rgba(201,211,206,.85);font-size:14px}
.site-footer ul a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:rgba(201,211,206,.7);
}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--bg);
  display:flex;
  flex-direction:column;
  padding:20px 20px 32px;
  transform:translateX(100%);
  transition:transform 220ms ease;
  visibility:hidden;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-close{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;
  line-height:1;
  color:var(--primary);
  border-radius:10px;
  cursor:pointer;
}
.drawer-close:hover{background:var(--bg-alt)}
.drawer-nav{margin-top:18px;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  font-size:18px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);font-weight:600}
.drawer-nav a.active::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
  margin-right:12px;
}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:14px;line-height:2;color:var(--ink-2)}
.drawer-foot strong{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-cta{display:none}
  .section{padding:72px 0}
  .section--tight{padding:60px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .page-hero{padding:52px 0 72px}
  .hero-visual{margin-top:36px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.8}
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .res-card{padding:22px}
  .stat-strip{grid-template-columns:1fr 1fr;border-radius:12px}
  .fact-row{flex-direction:column;align-items:flex-start;gap:6px}
  .fact-row .fact-meta{white-space:normal}
  .cta-band{padding:60px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-badges{gap:8px 0}
  .hero-badges span{border-right:0;padding:0 18px 0 0}
  .hero-lead{font-size:16px}
  .site-footer{padding-top:56px}
}
@media (max-width:519px){
  .header-inner{height:64px}
  .brand{font-size:18px}
  .btn{padding:12px 20px;font-size:14.5px}
  .hero-actions .btn{width:100%}
  .stat-strip{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
}