/* roulang page: index */
:root{
  --ink:#0E5B4C;
  --ink-dark:#0A4338;
  --ink-light:#E6F0EC;
  --ink-mid:#6E8F88;
  --amber:#C97B1E;
  --amber-light:#FBEFDD;
  --amber-deep:#8A5410;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --mist:#EFF2EE;
  --text:#1B2422;
  --text-2:#55605C;
  --text-3:#7C8783;
  --line:#DCE2DE;
  --line-hot:rgba(14,91,76,.3);
  --r-chip:999px;
  --r-btn:8px;
  --r-card:10px;
  --r-big:14px;
  --s1:0 1px 2px rgba(16,36,32,.06);
  --s2:0 6px 18px rgba(16,36,32,.08);
  --s3:0 16px 40px rgba(16,36,32,.12);
  --font: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(14,91,76,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(14,91,76,.04) 1px,transparent 1px);
  background-size:40px 40px;
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input{font:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.container{max-width:1240px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.scroll-x{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:2px;}
.scroll-x::-webkit-scrollbar{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.btn-primary{background:var(--ink);color:#fff;box-shadow:var(--s1);}
.btn-primary:hover{background:var(--ink-dark);transform:translateY(-1px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--s1);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink-light);border-color:var(--ink-dark);}
.btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);border-color:#fff;}
.btn-on-dark{background:#fff;color:var(--ink-dark);}
.btn-on-dark:hover{background:var(--ink-light);color:var(--ink-dark);transform:translateY(-1px);box-shadow:var(--s2);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
.arrow{display:inline-block;transition:transform .2s ease;}
.btn:hover .arrow,.text-link:hover .arrow,.index-item:hover .arrow{transform:translateX(4px);}
.text-link{color:var(--ink);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--ink-dark);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-chip);
  background:var(--amber-light);color:var(--amber-deep);font-size:12px;font-weight:600;line-height:1;
}
.badge-jade{background:var(--ink-light);color:var(--ink);}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-chip);
  background:#fff;border:1px solid var(--line);color:var(--text);font-size:14px;white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip-amber{background:var(--amber-light);border-color:#EFD9B8;color:var(--amber-deep);}
.chip-amber:hover{background:var(--amber);border-color:var(--amber);color:#fff;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--s2);}
.brand-row{padding:8px 0;transition:padding .25s ease;}
.site-header.is-scrolled .brand-row{padding:4px 0;}
.brand-inner{display:flex;align-items:center;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{display:block;width:34px;height:34px;flex:0 0 auto;}
.logo-text{font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand-tools{display:flex;align-items:center;gap:12px;margin-left:auto;min-width:0;}
.search-box{
  display:flex;align-items:center;gap:6px;width:264px;height:42px;padding:0 6px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;transition:border-color .2s ease;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink);}
.search-box input{flex:1;min-width:0;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.search-box button{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;color:var(--ink);}
.search-box button:hover{background:var(--ink-light);}
.hot-inline{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden;}
.hot-label{font-size:12px;color:var(--text-3);flex:0 0 auto;}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);color:var(--ink);
}
.menu-toggle:hover{background:var(--ink-light);border-color:var(--line-hot);}
.nav-row{padding:0 0 2px;}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:44px;}
.nav-main{display:flex;align-items:center;gap:28px;flex-wrap:nowrap;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:44px;
  font-size:16px;color:var(--text);padding:0 2px;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:6px;height:2px;
  background:var(--ink);transition:left .2s ease,right .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{left:2px;right:2px;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{left:2px;right:2px;}
.nav-note{margin-left:auto;font-size:13px;color:var(--text-3);flex:0 0 auto;}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;display:flex;flex-direction:column;
  transform:translateY(-100%);transition:transform .28s ease;visibility:hidden;
}
.mobile-drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);}
.drawer-title{font-weight:700;font-size:17px;color:var(--ink-dark);}
.drawer-close{width:44px;height:44px;font-size:24px;line-height:1;color:var(--text-2);border-radius:var(--r-btn);}
.drawer-close:hover{background:var(--mist);}
.drawer-body{flex:1;overflow-y:auto;padding:20px;}
.drawer-search{display:flex;gap:10px;margin-bottom:22px;}
.drawer-search input{flex:1;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);outline:none;font-size:15px;}
.drawer-search input:focus{border-color:var(--ink);}
.drawer-search button{height:46px;padding:0 18px;border-radius:var(--r-btn);background:var(--ink);color:#fff;font-weight:600;font-size:14px;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-nav a{padding:14px 12px;border-radius:var(--r-card);font-size:16px;color:var(--text);}
.drawer-nav a:hover{background:var(--mist);}
.drawer-nav a.is-active{background:var(--ink-light);color:var(--ink-dark);font-weight:600;}
.drawer-sub{font-size:13px;color:var(--text-3);margin:0 12px 12px;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{
  position:relative;color:#fff;
  background-image:linear-gradient(180deg,rgba(10,67,56,.62),rgba(10,67,56,.68)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-inner{padding:84px 0 44px;min-height:470px;display:flex;align-items:center;}
.hero-copy{max-width:660px;}
.hero-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);
  font-size:13px;letter-spacing:.02em;color:#F2F7F5;margin-bottom:20px;
}
.hero-title{
  font-size:clamp(28px,4vw,44px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:#fff;margin-bottom:16px;text-shadow:0 2px 12px rgba(4,26,22,.35);
}
.hero-sub{font-size:clamp(16px,1.6vw,18px);color:#DCEAE5;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:22px;}
.hero-note{font-size:13px;color:#B9CFC9;}
.hero-chips{padding:0 0 38px;}
.hero-chips .scroll-x{padding-bottom:4px;}

/* ---------- 板块骨架 ---------- */
.section{padding:76px 0;}
.section-tight{padding:60px 0;}
.section-alt{background:#fff;}
.section-mist{background:var(--mist);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;font-size:26px;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--ink);}
.sec-desc{margin-top:10px;padding-left:16px;font-size:15px;color:var(--text-2);max-width:720px;line-height:1.8;}

/* ---------- 频道索引 ---------- */
.index-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.index-item{
  display:flex;flex-direction:column;gap:10px;
  padding:26px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);transition:all .24s ease;
}
.index-item:hover{background:var(--ink-light);border-color:var(--line-hot);transform:translateY(-2px);box-shadow:var(--s2);}
.index-no{font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;}
.index-title{font-size:19px;font-weight:600;line-height:1.5;color:var(--text);}
.index-text{font-size:14px;color:var(--text-2);line-height:1.75;}
.index-more{display:inline-flex;align-items:center;gap:6px;margin-top:auto;font-size:14px;font-weight:600;color:var(--ink);}

/* ---------- 图文故事 ---------- */
.story{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.story + .story{margin-top:64px;}
.story-media{border-radius:var(--r-big);overflow:hidden;box-shadow:var(--s2);background:var(--ink-light);}
.story-media img{width:100%;height:340px;object-fit:cover;transition:transform .4s ease;}
.story-media:hover img{transform:scale(1.03);}
.story-body h2{position:relative;padding-left:16px;font-size:25px;font-weight:700;line-height:1.4;margin-bottom:16px;}
.story-body h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--ink);}
.story-body p{color:var(--text-2);margin-bottom:16px;line-height:1.85;}
.story-order{display:inline-block;font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;margin-bottom:10px;}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;transition:all .24s ease;display:flex;flex-direction:column;
}
.card:hover{border-color:var(--line-hot);box-shadow:var(--s2);transform:translateY(-2px);}
.card:hover .card-title{color:var(--ink);}
.card-media{overflow:hidden;background:var(--ink-light);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-title{font-size:19px;font-weight:600;line-height:1.5;transition:color .2s ease;}
.meta-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.meta-sep{color:var(--line);}
.card-summary{font-size:14.5px;line-height:1.75;color:var(--text-2);}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.feature-main{grid-column:span 2;grid-row:span 2;}
.feature-main .card-media{aspect-ratio:16 / 9;}
.feature-main .card-title{font-size:22px;}
.side-card .card-media{aspect-ratio:3 / 2;}
.aside-more{
  display:flex;flex-direction:column;justify-content:center;gap:12px;
  background:var(--ink-dark);border-radius:var(--r-card);padding:26px 24px;color:#fff;
  transition:all .24s ease;
}
.aside-more:hover{box-shadow:var(--s2);transform:translateY(-2px);}
.aside-more span:first-child{font-size:13px;color:#A9BFB9;letter-spacing:.06em;}
.aside-more strong{font-size:19px;font-weight:600;line-height:1.5;}
.aside-more .text-link{color:#E6F0EC;}

/* ---------- 最新信息 ---------- */
.news-list{border-top:1px solid var(--line);}
.news-item{
  display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:flex-start;
  padding:22px 10px;border-bottom:1px solid var(--line);transition:background-color .2s ease;
}
.news-item:hover{background:var(--ink-light);}
.news-thumb{display:block;width:200px;height:130px;border-radius:var(--r-card);overflow:hidden;background:var(--ink-light);flex:0 0 auto;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.news-item:hover .news-thumb img{transform:scale(1.03);}
.news-title{font-size:18px;font-weight:600;line-height:1.55;margin-bottom:8px;}
.news-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item:hover .news-title a{color:var(--ink);}
.news-summary{
  font-size:14.5px;color:var(--text-2);line-height:1.7;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.news-link{margin-left:auto;font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:4px;}
.news-link:hover{color:var(--ink-dark);}
.empty-state{
  padding:72px 20px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
}
.empty-state .empty-icon{width:88px;height:88px;margin:0 auto 18px;border-radius:50%;background:var(--ink-light);display:flex;align-items:center;justify-content:center;color:var(--ink);}
.empty-state p{color:var(--text-2);margin-bottom:18px;}

/* ---------- 信任背书 ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:40px;}
.stat-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--s1);}
.stat-num{font-size:30px;font-weight:700;color:var(--ink);line-height:1.2;letter-spacing:-.02em;}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}
.proof-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;}
.proof-item{
  padding:18px 14px;text-align:center;border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;font-size:14px;color:var(--text-3);filter:grayscale(1);transition:all .24s ease;
}
.proof-item:hover{filter:grayscale(0);color:var(--ink);border-color:var(--line-hot);box-shadow:var(--s1);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:var(--line-hot);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:22px;font-weight:400;color:var(--ink);
  transition:transform .2s ease;line-height:1;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- 订阅 CTA ---------- */
.cta-band{background:var(--ink-dark);color:#fff;border-radius:var(--r-big);padding:44px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:32px;align-items:center;}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.cta-band p{font-size:14.5px;color:#C9D8D3;line-height:1.8;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border:1px solid #2C6A5C;border-radius:var(--r-btn);
  background:#0D5044;color:#fff;outline:none;font-size:15px;transition:border-color .2s ease;
}
.cta-form input::placeholder{color:#8FB0A8;}
.cta-form input:focus{border-color:#E6F0EC;}
.cta-form button{height:48px;padding:0 24px;border-radius:var(--r-btn);background:#fff;color:var(--ink-dark);font-weight:600;font-size:15px;transition:all .2s ease;}
.cta-form button:hover{background:var(--ink-light);transform:translateY(-1px);}
.cta-tip{font-size:13px;color:#A9BFB9;margin-top:10px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-dark);color:#E6F0EC;padding:60px 0 28px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(230,240,236,.16);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-desc{font-size:14px;color:#A9BFB9;line-height:1.85;max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#A9BFB9;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;padding-top:22px;font-size:13px;color:#A9BFB9;}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .proof-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1024px){
  .search-box{width:220px;}
  .hot-inline{display:none;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .feature-main{grid-column:span 2;grid-row:auto;}
  .index-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:820px){
  .nav-main,.nav-note{display:none;}
  .nav-row{display:none;}
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .story{grid-template-columns:1fr;gap:24px;}
  .story + .story{margin-top:48px;}
  .story-media img{height:260px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .section,.section-tight{padding:52px 0;}
  .hero-inner{padding:56px 0 32px;min-height:400px;}
  .hero-chips{padding-bottom:28px;}
  .sec-title{font-size:22px;}
  .sec-desc{font-size:14.5px;}
  .index-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-main{grid-column:span 1;}
  .news-item{grid-template-columns:1fr;gap:0;padding:20px 8px;}
  .news-thumb{display:none;}
  .news-link{margin-left:0;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .stat-bar{grid-template-columns:1fr 1fr;gap:14px;}
  .stat-num{font-size:25px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-card);}
  .cta-form{flex-direction:column;}
  .cta-form button{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand-col{grid-column:span 2;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (max-width:420px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand-col{grid-column:span 1;}
}

/* roulang page: category1 */
:root{
  --jade:#0E5B4C;
  --jade-dark:#0A4338;
  --jade-light:#E6F0EC;
  --jade-mid:#6E8F88;
  --amber:#C97B1E;
  --amber-light:#FBEFDD;
  --amber-text:#8A5410;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --panel:#EFF2EE;
  --text:#1B2422;
  --text-2:#55605C;
  --text-3:#7C8783;
  --border:#DCE2DE;
  --border-hover:rgba(14,91,76,.30);
  --r-btn:8px;
  --r-card:10px;
  --r-big:14px;
  --s1:0 1px 2px rgba(16,36,32,.06);
  --s2:0 6px 18px rgba(16,36,32,.08);
  --s3:0 16px 40px rgba(16,36,32,.12);
  --gap:24px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 32px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--s2);}
.brand-row{
  display:flex;align-items:center;gap:20px;
  min-height:52px;padding:6px 0;
  transition:min-height .2s ease;
}
.site-header.is-scrolled .brand-row{min-height:44px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em;}
.header-search{
  flex:1 1 auto;display:flex;justify-content:center;
}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:100%;max-width:300px;height:40px;padding:0 12px;
  border:1px solid var(--border);border-radius:var(--r-btn);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--jade);box-shadow:0 0 0 2px rgba(14,91,76,.14);}
.search-box svg{flex:0 0 auto;color:var(--text-3);}
.search-box input{
  border:0;outline:none;background:transparent;width:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;font-size:13px;font-weight:600;color:var(--jade);
  padding:6px 8px;border-radius:6px;transition:background .2s ease;
}
.search-btn:hover{background:var(--jade-light);}
.header-trend{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.hot-chip{
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--amber-light);color:var(--amber-text);
  transition:background .2s ease,color .2s ease;
}
.hot-chip:hover{background:var(--amber);color:#fff;}
.menu-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:var(--r-btn);color:var(--text);
}
.menu-toggle:hover{background:var(--jade-light);border-color:var(--border-hover);}

.channel-row{border-top:1px solid var(--border);}
.nav-main{display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;}
.nav-main::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:46px;padding:0 14px;white-space:nowrap;
  font-size:16px;color:var(--text);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:6px;height:2px;width:0;
  background:var(--jade);transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--jade);}
.nav-link:hover::after{width:22px;}
.nav-link.is-active{color:var(--jade);font-weight:600;}
.nav-link.is-active::after{width:26px;}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:60;background:#fff;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .24s ease,opacity .24s ease;
  display:flex;flex-direction:column;
  padding:16px 20px 0;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:12px;border-bottom:1px solid var(--border);}
.drawer-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-btn);border:1px solid var(--border);}
.drawer-search{margin:16px 0;}
.drawer-list{margin:8px 0 20px;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px solid var(--border);
  font-size:16px;color:var(--text);
}
.drawer-list a:hover{color:var(--jade);}
.drawer-list .arrow{color:var(--text-3);}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.drawer-foot{margin-top:auto;padding:16px 0 24px;}
.btn-block{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--jade);color:#fff;}
.btn-primary:hover{background:var(--jade-dark);transform:translateY(-1px);box-shadow:var(--s2);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-ghost{background:transparent;color:var(--jade);border:1px solid var(--jade);}
.btn-ghost:hover{background:var(--jade-light);border-color:var(--jade-dark);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--jade);font-weight:600;font-size:15px;}
.link-arrow .arw{transition:transform .2s ease;}
.link-arrow:hover .arw{transform:translateX(4px);}

/* ============ 面包屑 ============ */
.crumb{padding:14px 0 0;font-size:13px;color:var(--text-3);}
.crumb a:hover{color:var(--jade);}
.crumb .sep{margin:0 6px;color:var(--border);}
.crumb .current{color:var(--jade);font-weight:600;}

/* ============ 顶部条带 ============ */
.page-strip{
  position:relative;margin-top:16px;border-radius:var(--r-big);overflow:hidden;
  min-height:188px;display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center 32%;
}
.page-strip::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(10,67,56,.92) 0%,rgba(10,67,56,.72) 52%,rgba(10,67,56,.46) 100%);
}
.strip-inner{position:relative;z-index:2;padding:28px 26px 26px;width:100%;}
.strip-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:#DDE9E4;
  border:1px solid rgba(230,240,236,.35);border-radius:999px;
  padding:3px 12px;margin-bottom:12px;
}
.strip-inner h1{
  color:#fff;font-size:clamp(26px,3.6vw,40px);font-weight:700;
  line-height:1.28;letter-spacing:-.01em;max-width:860px;
}
.strip-inner p{
  color:#C9D8D3;font-size:15px;line-height:1.8;max-width:760px;margin-top:10px;
}
.strip-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.strip-meta span{
  font-size:12px;color:#E6F0EC;background:rgba(255,255,255,.12);
  border-radius:999px;padding:3px 12px;
}

/* ============ 主体布局 ============ */
.page-body{padding:40px 0 0;display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:1024px){
  .page-body{grid-template-columns:minmax(0,1fr) 312px;gap:36px;}
}
.section{margin-bottom:56px;}
@media(min-width:1024px){.section{margin-bottom:72px;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{
  font-size:22px;font-weight:700;line-height:1.4;letter-spacing:-.01em;
  padding-left:12px;position:relative;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;
  background:var(--jade);border-radius:2px;
}
@media(min-width:768px){.section-head h2{font-size:26px;}}
.section-head .sub{font-size:13px;color:var(--text-3);}

/* 卡片网格（分类页1：左主列两列大卡） */
.card-grid{display:grid;grid-template-columns:1fr;gap:var(--gap);}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}

.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
  display:flex;flex-direction:column;
}
.card:hover{border-color:var(--border-hover);box-shadow:var(--s2);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--jade-light);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.5;transition:color .2s ease;}
.card:hover .card-body h3{color:var(--jade);}
.card-body .excerpt{font-size:14px;line-height:1.75;color:var(--text-2);}
.meta{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);}
.meta .bar{width:1px;height:12px;background:var(--border);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;padding:2px 10px;border-radius:999px;
  background:var(--amber-light);color:var(--amber-text);
}
.badge.jade{background:var(--jade-light);color:var(--jade);}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:24px;}
@media(min-width:1024px){
  .side-col{position:sticky;top:104px;align-self:start;}
}
.side-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:18px;
}
.side-panel h3{
  font-size:15px;font-weight:700;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-panel h3::before{
  content:"";width:6px;height:6px;border-radius:2px;background:var(--amber);
}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  font-size:13px;padding:6px 12px;border-radius:999px;
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--jade-light);color:var(--jade);border-color:var(--border-hover);}
.rec-list li + li{border-top:1px solid var(--border);}
.rec-list a{
  display:block;padding:12px 2px;
  font-size:14px;line-height:1.65;color:var(--text-2);
  transition:color .2s ease;
}
.rec-list a:hover{color:var(--jade);}
.rec-list .rec-meta{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}
.side-note{
  background:var(--panel);border:1px solid var(--border);border-radius:var(--r-card);
  padding:16px;font-size:13px;line-height:1.8;color:var(--text-2);
}
.side-note strong{display:block;color:var(--text);font-size:14px;margin-bottom:6px;}

/* ============ 步骤 / 适用场景 ============ */
.step-panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--r-big);padding:28px 22px;}
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:20px;}
@media(min-width:768px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.step-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--s1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step-item:hover{border-color:var(--border-hover);box-shadow:var(--s2);transform:translateY(-2px);}
.step-no{font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;}
.step-item h3{font-size:16px;font-weight:600;margin:8px 0 6px;line-height:1.5;}
.step-item p{font-size:14px;line-height:1.75;color:var(--text-2);}

/* 索引条块 */
.index-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media(min-width:768px){.index-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.index-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.index-item{
  display:flex;flex-direction:column;gap:6px;
  padding:18px;border:1px solid var(--border);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--s1);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.index-item:hover{background:var(--jade-light);border-color:var(--border-hover);box-shadow:var(--s2);}
.index-item .idx{font-size:13px;font-weight:700;color:var(--amber);letter-spacing:.08em;}
.index-item h3{font-size:16px;font-weight:600;line-height:1.5;}
.index-item p{font-size:13.5px;line-height:1.7;color:var(--text-2);}
.index-item .go{margin-top:4px;font-size:14px;color:var(--jade);font-weight:600;}

/* ============ 数据条 ============ */
.stat-band{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-big);
  padding:26px 22px;display:grid;grid-template-columns:1fr;gap:20px;box-shadow:var(--s1);
}
@media(min-width:640px){.stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.stat-band{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-item .val{font-size:26px;font-weight:700;color:var(--jade);line-height:1.2;}
.stat-item .val .unit{font-size:14px;font-weight:600;margin-left:2px;}
.stat-item .lbl{font-size:13.5px;color:var(--text-2);margin-top:6px;line-height:1.65;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease;
}
.faq-item.is-open{border-color:var(--border-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--jade);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--jade);border-radius:1px;
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%);transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .24s ease;
}
.faq-a p{
  padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ============ 分页 ============ */
.pagination{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:32px;}
.page-item{
  min-width:36px;height:36px;padding:0 12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:var(--r-btn);
  font-size:14px;color:var(--text-2);background:#fff;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.page-item:hover{background:var(--jade-light);color:var(--jade);border-color:var(--border-hover);}
.page-item.is-current{background:var(--jade);color:#fff;border-color:var(--jade);font-weight:600;}
.page-item.is-disabled{opacity:.4;pointer-events:none;}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--jade-dark);border-radius:var(--r-big);
  padding:30px 24px;color:#fff;
  display:grid;grid-template-columns:1fr;gap:20px;align-items:center;
}
@media(min-width:1024px){.cta-band{grid-template-columns:minmax(0,1fr) minmax(0,440px);padding:36px 34px;gap:32px;}}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.4;letter-spacing:-.01em;}
.cta-band p{font-size:14px;color:#C9D8D3;margin-top:8px;line-height:1.75;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
@media(min-width:640px){.cta-form{flex-direction:row;}}
.cta-input{
  flex:1 1 auto;height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(230,240,236,.35);background:#fff;color:var(--text);
  font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-input::placeholder{color:var(--text-3);}
.cta-input:focus{border-color:#fff;box-shadow:0 0 0 2px rgba(230,240,236,.45);}
.cta-form .btn-primary{background:#fff;color:var(--jade-dark);flex:0 0 auto;}
.cta-form .btn-primary:hover{background:var(--jade-light);}
.form-tip{font-size:12.5px;color:#A9BFB9;margin-top:2px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--jade-dark);color:#E6F0EC;margin-top:72px;padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BFB9;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C9D8D3;transition:color .2s ease;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(230,240,236,.18);
  padding:18px 0 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#A9BFB9;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a:hover{color:#fff;}

/* 网格底纹 */
.grid-tex{
  background-image:linear-gradient(rgba(14,91,76,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,91,76,.04) 1px,transparent 1px);
  background-size:40px 40px;
}

/* 响应式 */
@media(max-width:1023px){
  .header-search{display:none;}
  .header-trend{display:none;}
  .menu-toggle{display:flex;}
  .channel-row{display:none;}
}
@media(max-width:639px){
  .brand-row{min-height:56px;}
  .logo-text{font-size:16px;}
  .strip-inner{padding:22px 18px 20px;}
  .page-strip{min-height:172px;}
  .section{margin-bottom:48px;}
  .cta-band{padding:24px 18px;}
  .site-footer{margin-top:56px;}
}
@media(hover:none){
  .card:hover{transform:none;}
  .card:hover .card-media img{transform:none;}
  .index-item:hover{transform:none;}
}

/* roulang page: article */
:root{
  --ink-jade:#0E5B4C;
  --ink-jade-deep:#0A4338;
  --ink-jade-soft:#E6F0EC;
  --ink-jade-mid:#6E8F88;
  --amber:#C97B1E;
  --amber-soft:#FBEFDD;
  --amber-deep:#8A5410;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --mist:#EFF2EE;
  --text:#1B2422;
  --text-2:#55605C;
  --text-3:#7C8783;
  --line:#DCE2DE;
  --line-hover:rgba(14,91,76,.3);
  --r-btn:8px;
  --r-card:10px;
  --r-big:14px;
  --s1:0 1px 2px rgba(16,36,32,.06);
  --s2:0 6px 18px rgba(16,36,32,.08);
  --s3:0 16px 40px rgba(16,36,32,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.38;letter-spacing:-.01em}
p{margin:0}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--ink-jade);outline-offset:2px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .container{padding:0 32px} }

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-stuck{box-shadow:var(--s2)}
.topbar{height:58px;display:flex;align-items:center;transition:height .25s ease}
.site-header.is-stuck .topbar{height:52px}
.topbar-inner{display:flex;align-items:center;gap:18px}

.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{display:inline-flex;line-height:0}
.logo-text{font-size:17px;font-weight:700;color:var(--ink-jade-deep);letter-spacing:-.01em;white-space:nowrap}
@media (min-width:1024px){ .logo-text{font-size:18px} }

.search-form{
  display:none;align-items:center;gap:8px;
  width:260px;height:40px;padding:0 6px 0 12px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--white);transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form:focus-within{border-color:var(--ink-jade);box-shadow:0 0 0 1px var(--ink-jade)}
.search-form svg{flex-shrink:0;color:var(--text-3)}
.search-form input{
  flex:1;min-width:0;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--text);
}
.search-form input::placeholder{color:var(--text-3)}
.search-btn{
  height:30px;padding:0 12px;border-radius:6px;
  background:var(--ink-jade);color:#fff;font-size:13px;font-weight:600;
  transition:background-color .2s ease;
}
.search-btn:hover{background:var(--ink-jade-deep)}
@media (min-width:900px){ .search-form{display:flex} }

.topbar-side{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:0}
.hot-label{display:none;font-size:13px;color:var(--text-3);white-space:nowrap}
.hot-chips{display:none;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;max-width:520px}
.hot-chips::-webkit-scrollbar{display:none}
@media (min-width:1120px){ .hot-label{display:inline} .hot-chips{display:flex} }

.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;white-space:nowrap;
  border:1px solid var(--line);background:var(--white);color:var(--text-2);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--ink-jade-soft);color:var(--ink-jade);border-color:var(--line-hover)}
.chip-amber{background:var(--amber-soft);color:var(--amber-deep);border-color:transparent}
.chip-amber:hover{background:#F6E1C4;color:var(--amber-deep)}

.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--ink-jade-deep);font-size:13px;font-weight:600;
}
.menu-toggle:hover{background:var(--ink-jade-soft);border-color:var(--line-hover)}
@media (min-width:768px){ .menu-toggle{display:none} }

.navrow{border-top:1px solid var(--line);background:var(--white)}
.nav-main{display:flex;align-items:center;gap:26px;overflow-x:auto;scrollbar-width:none}
.nav-main::-webkit-scrollbar{display:none}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:46px;
  font-size:15.5px;color:var(--text);white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:7px;height:2px;
  border-radius:2px;background:var(--ink-jade);
  transition:left .2s ease,right .2s ease;
}
.nav-link:hover{color:var(--ink-jade)}
.nav-link:hover::after,.nav-link.is-active::after{left:0;right:0}
.nav-link.is-active{color:var(--ink-jade);font-weight:600}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--white);
  padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .28s ease,opacity .28s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:22px;line-height:1;color:var(--ink-jade-deep);
}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-card);
  font-size:16px;color:var(--text);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--ink-jade-soft);border-color:var(--line-hover);color:var(--ink-jade)}
.drawer-hot-title{display:block;font-size:13px;color:var(--text-3);margin-bottom:10px}
.drawer-hot .hot-chips{display:flex;flex-wrap:wrap;max-width:none}
.drawer-back{margin-top:auto;width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--ink-jade);color:#fff}
.btn-primary:hover{background:var(--ink-jade-deep);transform:translateY(-1px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--s1)}
.btn-ghost{background:transparent;border-color:var(--ink-jade);color:var(--ink-jade)}
.btn-ghost:hover{background:var(--ink-jade-soft);border-color:var(--ink-jade-deep)}
.btn-on-dark{background:#fff;color:var(--ink-jade-deep);border-color:#fff}
.btn-on-dark:hover{background:var(--amber-soft);border-color:var(--amber-soft);transform:translateY(-1px)}
.arrow-cta{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--ink-jade);font-weight:600;font-size:15px;
}
.arrow-cta span{transition:transform .2s ease}
.arrow-cta:hover span{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-amber{background:var(--amber-soft);color:var(--amber-deep)}
.badge-jade{background:var(--ink-jade-soft);color:var(--ink-jade)}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500}

/* ============ 面包屑 + 页头 ============ */
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--ink-jade)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .crumb-current{color:var(--ink-jade);font-weight:600}

.page-banner{
  position:relative;
  background-image:linear-gradient(105deg,rgba(10,67,56,.92) 0%,rgba(10,67,56,.72) 55%,rgba(10,67,56,.6) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center 30%;
  padding:34px 0 40px;
  color:#fff;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;pointer-events:none;
}
.page-banner .container{position:relative;z-index:1}
.page-banner .breadcrumb,.page-banner .breadcrumb a{color:#C9D8D3}
.page-banner .breadcrumb a:hover{color:#fff}
.page-banner .breadcrumb .sep{color:rgba(201,216,211,.45)}
.page-banner .breadcrumb .crumb-current{color:#F3D9B4}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.banner-tags .badge-amber{background:rgba(201,123,30,.9);color:#fff}
.banner-tags .badge-jade{background:rgba(255,255,255,.16);color:#E6F0EC}
.article-title{
  margin-top:16px;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.28;
  letter-spacing:-.01em;
  color:#fff;
  max-width:960px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:18px;font-size:13px;color:#C9D8D3;
}
.article-meta .divider{width:1px;height:12px;background:rgba(201,216,211,.4)}
@media (max-width:520px){ .page-banner{padding:26px 0 30px} }

/* ============ 文章布局 ============ */
.article-layout{
  display:flex;gap:40px;align-items:flex-start;
  padding-top:44px;padding-bottom:8px;
}
.article-main{flex:1 1 auto;min-width:0;max-width:780px}
.article-cover{
  border-radius:var(--r-big);overflow:hidden;border:1px solid var(--line);
  background:var(--mist);box-shadow:var(--s1);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article-body-wrap{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-big);
  padding:30px 26px;margin-top:22px;box-shadow:var(--s1);
}
@media (min-width:768px){ .article-body-wrap{padding:40px 44px} }

.article-body{font-size:16.5px;line-height:1.9;color:#25302D;word-break:break-word}
.article-body p{margin:0 0 1.5em}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:clamp(20px,2.3vw,25px);line-height:1.45;
  margin:2.2em 0 .95em;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;
  width:4px;height:1.02em;border-radius:2px;background:var(--ink-jade);
}
.article-body h3{font-size:19px;margin:1.9em 0 .8em;color:var(--text)}
.article-body h4{font-size:17px;margin:1.6em 0 .7em}
.article-body > *:first-child{margin-top:0}
.article-body a{color:var(--ink-jade);border-bottom:1px dashed rgba(14,91,76,.45)}
.article-body a:hover{border-bottom-style:solid}
.article-body strong{font-weight:700;color:var(--text)}
.article-body ul{padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:7px;height:7px;border-radius:50%;background:var(--amber);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{margin-bottom:.6em}
.article-body ol li::marker{color:var(--amber);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;
  background:var(--ink-jade-soft);border-left:3px solid var(--ink-jade);
  border-radius:0 8px 8px 0;color:#2E423D;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:10px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--text-3)}
.article-body table{width:100%;display:block;overflow-x:auto;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;vertical-align:top}
.article-body th{background:var(--mist);font-weight:600;white-space:nowrap}
.article-body pre{
  background:#12211D;color:#E6F0EC;padding:16px 18px;border-radius:10px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:.9em;background:var(--mist);padding:2px 6px;border-radius:4px;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* 空态 */
.empty-state{
  padding:56px 24px;text-align:center;
  background:var(--white);border:1px dashed var(--line);border-radius:var(--r-big);
  margin-top:22px;
}
.empty-state .empty-icon{
  width:96px;height:96px;margin:0 auto 20px;border-radius:24px;
  background:var(--ink-jade-soft);display:flex;align-items:center;justify-content:center;
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* 文末标签 + 上下篇 */
.post-foot{margin-top:28px;display:flex;flex-direction:column;gap:20px}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.post-tags .label{font-size:13px;color:var(--text-3);margin-right:2px}
.post-nav{display:grid;grid-template-columns:1fr;gap:12px}
@media (min-width:640px){ .post-nav{grid-template-columns:1fr 1fr} }
.post-nav a{
  display:block;padding:16px 18px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.post-nav a:hover{border-color:var(--line-hover);box-shadow:var(--s2);transform:translateY(-2px)}
.post-nav .pn-label{display:block;font-size:12px;color:var(--text-3);margin-bottom:6px}
.post-nav .pn-title{display:block;font-size:15.5px;font-weight:600;color:var(--text)}
.post-nav a:hover .pn-title{color:var(--ink-jade)}

/* 侧栏 */
.article-aside{width:320px;flex:0 0 320px}
.aside-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--s1);
}
.side-card h2,.side-card .side-title{
  font-size:15px;font-weight:700;color:var(--text);
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:8px;
}
.side-card .side-title::before{
  content:"";width:4px;height:14px;border-radius:2px;background:var(--amber);
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-list a{
  display:block;padding:6px 10px;border-left:2px solid var(--line);
  font-size:14px;color:var(--text-2);line-height:1.6;
}
.toc-list a:hover{color:var(--ink-jade);border-left-color:var(--ink-jade);background:var(--mist)}
.toc-list a.is-h3{padding-left:22px;font-size:13.5px}
.toc-empty{font-size:13px;color:var(--text-3)}
.rec-list{display:flex;flex-direction:column;gap:14px}
.rec-list a{
  display:block;font-size:14.5px;line-height:1.6;color:var(--text);
  padding-bottom:14px;border-bottom:1px dashed var(--line);
}
.rec-list a:last-child{border-bottom:0;padding-bottom:0}
.rec-list a:hover{color:var(--ink-jade)}
.rec-list .rec-time{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
@media (max-width:1023px){
  .article-layout{flex-direction:column;gap:28px;padding-top:32px}
  .article-aside{width:100%;flex:1 1 auto}
  .aside-sticky{position:static}
}

/* ============ 板块通用 ============ */
.section{padding:64px 0}
@media (min-width:1024px){ .section{padding:80px 0} }
.section-mist{background:var(--mist)}
.section-white{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:28px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--amber-deep);background:var(--amber-soft);
  padding:4px 10px;border-radius:4px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,28px);color:var(--text)}
.section-head p{margin-top:12px;font-size:15px;color:var(--text-2)}

/* 相关推荐横卡 */
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){ .rel-grid{grid-template-columns:repeat(3,1fr)} }
.rel-card{
  display:flex;gap:14px;padding:14px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--s1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.rel-card:hover{border-color:var(--line-hover);box-shadow:var(--s2);transform:translateY(-2px)}
.rel-thumb{
  width:104px;height:78px;flex:0 0 104px;border-radius:8px;overflow:hidden;background:var(--mist);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{min-width:0}
.rel-body h3{
  font-size:15.5px;font-weight:600;line-height:1.55;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card:hover .rel-body h3{color:var(--ink-jade)}
.rel-meta{margin-top:8px;font-size:12px;color:var(--text-3)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:var(--line-hover)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16.5px;font-weight:600;color:var(--text);
  cursor:pointer;list-style:none;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink-jade)}
.faq-icon{
  position:relative;flex:0 0 20px;width:20px;height:20px;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-jade);border-radius:2px;
}
.faq-icon::before{left:4px;right:4px;top:9px;height:2px}
.faq-icon::after{top:4px;bottom:4px;left:9px;width:2px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-answer p{margin-bottom:.9em}
.faq-answer p:last-child{margin-bottom:0}

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--ink-jade-deep);color:#fff;padding:52px 0;
}
.cta-inner{display:flex;flex-direction:column;gap:24px}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
}
.cta-text h2{font-size:clamp(21px,2.4vw,26px);color:#fff}
.cta-text p{margin-top:10px;font-size:15px;color:#C9D8D3;max-width:560px}
.cta-form{display:flex;flex-direction:column;gap:12px;width:100%}
@media (min-width:640px){ .cta-form{flex-direction:row} }
.cta-form input{
  height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);
  color:#fff;font-size:15px;outline:none;min-width:0;flex:1;
  transition:border-color .2s ease,background-color .2s ease;
}
.cta-form input::placeholder{color:#A9BFB9}
.cta-form input:focus{border-color:#fff;background:rgba(255,255,255,.14)}
.cta-form .btn{width:100%}
@media (min-width:640px){ .cta-form .btn{width:auto;flex:0 0 auto} }
.cta-note{font-size:13px;color:#A9BFB9;margin-top:10px}

/* 返回栏目入口 */
.back-channel{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;background:var(--ink-jade-soft);
  border:1px solid rgba(14,91,76,.18);border-radius:var(--r-card);
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-jade-deep);color:#E6F0EC;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-text{color:#fff;font-size:17px;font-weight:700}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BFB9;max-width:340px}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
  padding-bottom:10px;border-bottom:1px solid rgba(230,240,236,.16);
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9BFB9}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  margin-top:44px;padding:20px 0 26px;
  border-top:1px solid rgba(230,240,236,.16);
  display:flex;flex-direction:column;gap:12px;
  font-size:13px;color:#A9BFB9;
}
@media (min-width:900px){
  .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom nav a{color:#A9BFB9}
.footer-bottom nav a:hover{color:#fff}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --ink:#0E5B4C;
  --ink-deep:#0A4338;
  --ink-light:#E6F0EC;
  --ink-mid:#6E8F88;
  --amber:#C97B1E;
  --amber-light:#FBEFDD;
  --amber-text:#8A5410;
  --paper:#F6F4EF;
  --mist:#EFF2EE;
  --white:#FFFFFF;
  --text:#1B2422;
  --text-2:#55605C;
  --text-3:#7C8783;
  --border:#DCE2DE;
  --border-hover:rgba(14,91,76,0.30);
  --r-chip:999px;
  --r-btn:8px;
  --r-card:10px;
  --r-big:14px;
  --s1:0 1px 2px rgba(16,36,32,.06);
  --s2:0 6px 18px rgba(16,36,32,.08);
  --s3:0 16px 40px rgba(16,36,32,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%;}
@media (min-width:1024px){.container{padding:0 32px;}}

.section{padding:72px 0;}
@media (max-width:768px){.section{padding:48px 0;}}
.bg-white{background:var(--white);}
.bg-mist{background:var(--mist);}
.bg-paper{background:var(--paper);}
.grid-texture{
  background-image:
    linear-gradient(rgba(14,91,76,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,91,76,.04) 1px, transparent 1px);
  background-size:40px 40px;
}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--s2);}
.header-top{
  border-bottom:1px solid var(--border);
  overflow:hidden;
  max-height:60px;
  opacity:1;
  transition:max-height .25s ease,opacity .2s ease,border-color .2s ease;
}
.site-header.is-scrolled .header-top{max-height:0;opacity:0;border-color:transparent;}
.header-top-inner{
  display:flex;align-items:center;gap:20px;height:48px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{display:inline-flex;flex-shrink:0;}
.logo-text{
  font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text);
  white-space:nowrap;
}
.header-search{flex:1;max-width:320px;margin-left:8px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;
  border:1px solid var(--border);border-radius:var(--r-btn);
  padding:0 6px 0 12px;background:var(--white);
  transition:border-color .2s ease;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 2px rgba(14,91,76,.15);}
.search-box svg{flex-shrink:0;}
.search-box input{
  flex:1;border:none;outline:none;background:transparent;
  font-size:14px;min-width:0;
}
.search-box input::placeholder{color:var(--text-3);}
.search-btn{
  height:28px;padding:0 12px;border-radius:6px;
  background:var(--ink-light);color:var(--ink);
  font-size:13px;font-weight:600;
  transition:background .2s ease,color .2s ease;
}
.search-btn:hover{background:var(--ink);color:#fff;}
.header-trend{display:flex;align-items:center;gap:10px;margin-left:auto;overflow:hidden;}
.trend-label{font-size:12px;color:var(--text-3);white-space:nowrap;}
.trend-chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.trend-chips::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-chip);font-size:13px;white-space:nowrap;
  border:1px solid var(--border);background:var(--white);color:var(--text-2);
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip-amber{background:var(--amber-light);border-color:transparent;color:var(--amber-text);font-weight:500;}
.chip-amber:hover{background:var(--amber);color:#fff;}
.header-nav{border-top:0;}
.header-nav-inner{display:flex;align-items:center;height:44px;}
.nav-main{display:flex;align-items:center;height:100%;gap:4px;overflow-x:auto;scrollbar-width:none;}
.nav-main::-webkit-scrollbar{display:none;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:100%;
  padding:0 14px;font-size:16px;color:var(--text);white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:0;height:2px;
  background:var(--ink);transition:left .2s ease,right .2s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{left:14px;right:14px;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{left:14px;right:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  flex-direction:column;gap:5px;margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.search-icon-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;margin-left:auto;}

.mobile-drawer{
  display:none;
  position:fixed;inset:56px 0 0 0;background:var(--white);z-index:49;
  padding:20px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.drawer-search{display:flex;gap:10px;margin-bottom:20px;}
.drawer-search input{
  flex:1;height:46px;border:1px solid var(--border);border-radius:var(--r-btn);
  padding:0 14px;outline:none;font-size:15px;
}
.drawer-search input:focus{border-color:var(--ink);}
.drawer-title{font-size:13px;color:var(--text-3);margin-bottom:10px;}
.drawer-group{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border:1px solid var(--border);border-radius:var(--r-btn);
  font-size:15px;color:var(--text);transition:background .2s ease,border-color .2s ease;
}
.drawer-link:hover,.drawer-link.is-active{background:var(--ink-light);border-color:var(--border-hover);color:var(--ink);font-weight:600;}
.drawer-back{
  display:flex;align-items:center;justify-content:center;width:100%;height:46px;
  border:1px solid var(--ink);border-radius:var(--r-btn);color:var(--ink);
  font-weight:600;font-size:15px;transition:background .2s ease;
}
.drawer-back:hover{background:var(--ink-light);}

@media (max-width:1023px){
  .header-search,.header-trend{display:none;}
  .header-nav{display:none;}
  .nav-toggle{display:flex;}
  .search-icon-btn{display:flex;}
}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--s2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border:1px solid var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink-light);border-color:var(--ink-deep);}
.btn-arrow{gap:6px;}
.btn-arrow svg{transition:transform .2s ease;}
.btn-arrow:hover svg{transform:translateX(4px);}
.link-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);font-weight:600;font-size:15px;
}
.link-text svg{transition:transform .2s ease;}
.link-text:hover svg{transform:translateX(4px);}
.link-text:hover span{text-decoration:underline;text-underline-offset:4px;}

/* ============ hero band ============ */
.page-band{
  position:relative;
  min-height:200px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 35%;
  overflow:hidden;
}
.page-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(92deg, rgba(10,67,56,.86) 0%, rgba(10,67,56,.68) 55%, rgba(10,67,56,.48) 100%);
}
.page-band-inner{position:relative;z-index:2;padding:34px 0;color:#fff;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:rgba(230,240,236,.78);margin-bottom:14px;
}
.crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:rgba(230,240,236,.5);}
.crumbs .current{color:#F3C77E;}
.page-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:700;line-height:1.25;letter-spacing:-.01em;color:#fff;
  max-width:860px;
}
.page-title .title-key{
  display:block;font-size:clamp(14px,1.6vw,17px);font-weight:600;
  letter-spacing:.06em;color:#F3C77E;margin-top:10px;
}
.page-band-note{
  margin-top:14px;max-width:720px;font-size:15px;line-height:1.8;
  color:rgba(230,240,236,.88);
}
@media (max-width:640px){
  .page-band{min-height:180px;}
  .page-band-inner{padding:26px 0;}
}

/* ============ intro ============ */
.intro-block{display:grid;grid-template-columns:1fr;gap:26px;align-items:start;}
@media (min-width:1024px){.intro-block{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;}}
.intro-text p{font-size:16px;line-height:1.85;color:var(--text-2);}
.intro-text p + p{margin-top:16px;}
.intro-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);padding:22px 24px;
}
.intro-card h3{font-size:17px;font-weight:600;margin-bottom:12px;}
.intro-list li{
  display:flex;gap:10px;align-items:flex-start;padding:10px 0;
  border-bottom:1px dashed var(--border);font-size:14px;color:var(--text-2);
}
.intro-list li:last-child{border-bottom:none;}
.intro-list .dot{width:6px;height:6px;border-radius:50%;background:var(--amber);margin-top:10px;flex-shrink:0;}

/* ============ section head ============ */
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.4vw,27px);font-weight:700;line-height:1.35;letter-spacing:-.01em;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.26em;width:4px;height:.92em;
  background:var(--ink);border-radius:2px;
}
.sec-desc{font-size:14px;color:var(--text-2);max-width:560px;}

/* ============ index tiles ============ */
.tile-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.tile-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.tile{
  display:block;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--s1);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.tile:hover{
  background:#F4F9F6;border-color:var(--border-hover);
  transform:translateY(-2px);box-shadow:var(--s2);
}
.tile-num{
  display:block;font-size:13px;font-weight:700;color:var(--amber);
  letter-spacing:.12em;margin-bottom:12px;
}
.tile h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.tile p{font-size:14px;line-height:1.7;color:var(--text-2);}
.tile-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;
  font-size:13px;font-weight:600;color:var(--ink);
}
.tile-more svg{transition:transform .2s ease;}
.tile:hover .tile-more svg{transform:translateX(4px);}

/* ============ badges ============ */
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;
  border-radius:var(--r-chip);font-size:12px;font-weight:500;white-space:nowrap;
}
.badge-amber{background:var(--amber-light);color:var(--amber-text);}
.badge-ink{background:var(--ink-light);color:var(--ink);}

/* ============ timeline ============ */
.timeline-wrap{position:relative;}
.timeline{position:relative;}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:3px;
  background:linear-gradient(180deg,var(--ink) 0%,rgba(14,91,76,.35) 100%);
  border-radius:3px;
}
.tl-item{position:relative;padding-left:40px;margin-bottom:20px;}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:0;top:22px;width:17px;height:17px;border-radius:50%;
  background:var(--white);border:3px solid var(--ink);
  box-shadow:0 0 0 4px rgba(14,91,76,.08);
  transition:background .2s ease,box-shadow .2s ease;
}
.tl-item:hover::before{background:var(--amber);box-shadow:0 0 0 5px rgba(201,123,30,.14);}
.tl-card{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--s1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tl-card:hover{border-color:var(--border-hover);box-shadow:var(--s2);transform:translateY(-2px);}
.tl-body{flex:1;min-width:0;}
.tl-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:8px;
}
.tl-time{font-size:13px;color:var(--text-3);letter-spacing:.02em;}
.tl-rule{width:1px;height:12px;background:var(--border);}
.tl-card h3{
  font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;
  transition:color .2s ease;
}
.tl-card:hover h3{color:var(--ink);}
.tl-card p{
  font-size:14.5px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tl-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;
  font-size:13px;font-weight:600;color:var(--ink);
}
.tl-more svg{transition:transform .2s ease;}
.tl-card:hover .tl-more svg{transform:translateX(4px);}
.tl-thumb{
  width:170px;flex-shrink:0;border-radius:var(--r-card);overflow:hidden;
  background:var(--ink-light);aspect-ratio:16/11;
}
.tl-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.tl-card:hover .tl-thumb img{transform:scale(1.04);}
@media (max-width:860px){
  .tl-thumb{display:none;}
}
@media (max-width:640px){
  .tl-item{padding-left:30px;}
  .timeline::before{left:5px;}
  .tl-item::before{width:14px;height:14px;top:20px;}
  .tl-card{padding:18px;}
}

/* ============ pagination ============ */
.pagination{
  display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap;
}
.page-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 10px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:var(--white);font-size:14px;color:var(--text-2);
  font-variant-numeric:tabular-nums;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.page-num:hover{border-color:var(--border-hover);color:var(--ink);background:var(--ink-light);}
.page-num.is-current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.page-num.is-disabled{opacity:.4;pointer-events:none;}

/* ============ scenario cards ============ */
.scene-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:900px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.scene-card{
  display:flex;gap:20px;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--s1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.scene-card:hover{border-color:var(--border-hover);box-shadow:var(--s2);transform:translateY(-2px);}
.scene-thumb{
  width:118px;flex-shrink:0;aspect-ratio:1/1;border-radius:var(--r-card);overflow:hidden;background:var(--ink-light);
}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease;}
.scene-card:hover .scene-thumb img{transform:scale(1.05);}
.scene-card h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.scene-card p{font-size:14.5px;line-height:1.75;color:var(--text-2);}
@media (max-width:520px){
  .scene-card{flex-direction:column;gap:14px;}
  .scene-thumb{width:100%;aspect-ratio:16/9;}
}

/* ============ steps ============ */
.step-grid{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step;}
@media (min-width:768px){.step-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.step-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.step{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--s1);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--border-hover);box-shadow:var(--s2);transform:translateY(-2px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-btn);
  background:var(--ink-light);color:var(--ink);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.72;color:var(--text-2);}

/* ============ faq ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:var(--border-hover);box-shadow:var(--s1);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;padding:18px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-icon{
  position:relative;width:18px;height:18px;flex-shrink:0;
  transition:transform .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  display:none;padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-item.is-open .faq-a{display:block;}

/* ============ cta ============ */
.cta-band{
  background:var(--ink-deep);color:#fff;border-radius:var(--r-big);
  padding:38px 32px;
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  box-shadow:var(--s2);
}
@media (min-width:960px){
  .cta-band{grid-template-columns:minmax(0,1fr) minmax(0,460px);padding:44px 44px;gap:40px;}
}
.cta-band h2{font-size:clamp(21px,2.3vw,26px);font-weight:700;line-height:1.4;color:#fff;}
.cta-band p{margin-top:10px;font-size:14.5px;line-height:1.8;color:#C9D8D3;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){
  .cta-form{flex-direction:row;align-items:center;gap:12px;}
}
.cta-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(230,240,236,.28);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;outline:none;min-width:0;
  transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:#A9BFB9;}
.cta-form input:focus{border-color:#E6F0EC;background:rgba(255,255,255,.1);}
.cta-form .btn-primary{background:#fff;color:var(--ink-deep);}
.cta-form .btn-primary:hover{background:var(--ink-light);color:var(--ink-deep);}
.cta-tip{margin-top:12px;font-size:13px;color:#A9BFB9;min-height:20px;}
@media (max-width:639px){
  .cta-form .btn-primary{width:100%;}
}

/* ============ footer ============ */
.site-footer{background:var(--ink-deep);color:#E6F0EC;padding:62px 0 24px;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:34px;
  padding-bottom:38px;border-bottom:1px solid rgba(230,240,236,.16);
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-text{color:#fff;font-size:16px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BFB9;max-width:340px;}
.footer-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#C9D8D3;transition:color .2s ease;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  padding-top:20px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:12px;font-size:13px;color:#A9BFB9;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a{color:#C9D8D3;transition:color .2s ease;}
.footer-bottom a:hover{color:#fff;}

/* ============ misc ============ */
.divider{height:1px;background:var(--border);border:none;margin:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* roulang page: category3 */
:root{
  --ink:#0E5B4C;
  --ink-deep:#0A4338;
  --ink-light:#E6F0EC;
  --ink-mid:#6E8F88;
  --amber:#C97B1E;
  --amber-light:#FBEFDD;
  --amber-ink:#8A5410;
  --paper:#F6F4EF;
  --white:#FFFFFF;
  --block:#EFF2EE;
  --text:#1B2422;
  --text-sub:#55605C;
  --text-weak:#7C8783;
  --border:#DCE2DE;
  --s1:0 1px 2px rgba(16,36,32,.06);
  --s2:0 6px 18px rgba(16,36,32,.08);
  --s3:0 16px 40px rgba(16,36,32,.12);
  --r-btn:8px;
  --r-card:10px;
  --r-big:14px;
  --shell:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .container{padding:0 32px} }

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--s2)}
.brand-bar-inner{
  display:flex;align-items:center;gap:16px;
  min-height:56px;padding-top:6px;padding-bottom:6px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:inline-flex;line-height:0}
.logo-text{
  font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--ink-deep);
  white-space:nowrap;
}
.search-box{
  display:none;align-items:center;gap:0;margin-left:auto;
  border:1px solid var(--border);border-radius:var(--r-btn);background:var(--white);
  height:40px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.search-box input{
  border:0;outline:none;background:transparent;height:100%;
  padding:0 12px;font-size:14px;width:200px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-weak)}
.search-btn{
  height:100%;padding:0 16px;font-size:14px;font-weight:600;
  background:var(--ink);color:#fff;transition:background .2s ease;
}
.search-btn:hover{background:var(--ink-deep)}
.menu-toggle{
  margin-left:auto;display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;min-height:44px;border:1px solid var(--border);border-radius:var(--r-btn);
  color:var(--ink);font-size:14px;font-weight:600;background:var(--white);
  transition:background .2s ease,border-color .2s ease;
}
.menu-toggle:hover{background:var(--ink-light);border-color:var(--ink)}
@media (min-width:900px){
  .search-box{display:flex}
  .search-box input{width:240px}
  .menu-toggle{display:none}
}

.channel-bar{border-top:1px solid var(--border);background:var(--white)}
.channel-bar-inner{
  display:flex;align-items:center;gap:20px;
  min-height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-bar-inner::-webkit-scrollbar{display:none}
.nav-main{display:flex;align-items:center;gap:26px;flex:0 0 auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:48px;font-size:16px;color:var(--text);white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:8px;transform:translateX(-50%);
  width:0;height:2px;background:var(--ink);transition:width .2s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{width:100%}
.trend-chips{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  overflow-x:auto;scrollbar-width:none;padding:6px 0;flex:0 1 auto;
}
.trend-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;background:var(--amber-light);color:var(--amber-ink);
  font-size:13px;white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.chip:hover{background:var(--amber);color:#fff}
.chip--ink{background:var(--ink-light);color:var(--ink)}
.chip--ink:hover{background:var(--ink);color:#fff}

.mobile-drawer{
  display:none;border-top:1px solid var(--border);background:var(--white);
  padding:16px 20px 24px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer .drawer-title{
  font-size:13px;color:var(--text-weak);margin-bottom:10px;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 12px;border-radius:var(--r-btn);
  font-size:15px;color:var(--text);border:1px solid transparent;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.drawer-links a:hover,.drawer-links a.is-active{
  background:var(--ink-light);border-color:rgba(14,91,76,.3);color:var(--ink);font-weight:600;
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.drawer-back{
  display:flex;align-items:center;justify-content:center;
  width:100%;min-height:44px;border:1px solid var(--ink);border-radius:var(--r-btn);
  color:var(--ink);font-weight:600;font-size:15px;transition:background .2s ease;
}
.drawer-back:hover{background:var(--ink-light)}

/* ============ 页面条带 ============ */
.page-band{
  position:relative;isolation:isolate;overflow:hidden;
  background-color:var(--ink-deep);
  background-image:
    linear-gradient(100deg,rgba(10,67,56,.95) 0%,rgba(10,67,56,.78) 52%,rgba(14,91,76,.62) 100%),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center 34%;
  color:#fff;
}
.page-band::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:40px 40px;
}
.page-band .band-inner{padding:26px 0 30px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:#C9D8D3;margin-bottom:14px;
}
.breadcrumb a{color:#C9D8D3;transition:color .2s ease}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{color:#7FA093}
.breadcrumb .current{color:#E6F0EC}
.page-band h1{
  font-size:clamp(24px,3.4vw,38px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  color:#fff;max-width:880px;
}
.band-sub{
  margin-top:12px;font-size:15px;line-height:1.8;color:#C9D8D3;max-width:720px;
}
@media (min-width:768px){
  .page-band .band-inner{padding:34px 0 40px}
}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:1024px){ .section{padding:76px 0} }
.section--paper{background:var(--paper)}
.section--white{background:var(--white)}
.section--block{background:var(--block)}
.section-head{margin-bottom:28px}
.section-label{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--amber-ink);
  background:var(--amber-light);border-radius:999px;padding:3px 12px;margin-bottom:12px;
}
.section-title{
  font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.4;
  letter-spacing:-.01em;color:var(--text);
  padding-left:14px;border-left:4px solid var(--ink);
}
.section-desc{
  margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-sub);max-width:760px;
}

/* ============ 导语 + 数据条 ============ */
.intro-grid{display:grid;gap:26px}
@media (min-width:1024px){
  .intro-grid{grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:40px;align-items:start}
}
.intro-text p{
  font-size:16px;line-height:1.9;color:var(--text-sub);margin-bottom:14px;
}
.intro-text p:last-child{margin-bottom:0}
.intro-text strong{color:var(--ink-deep);font-weight:600}
.stat-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-big);
  box-shadow:var(--s1);padding:22px 22px 18px;
}
.stat-card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px}
.stat-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.stat-item{border-top:1px solid var(--border);padding-top:12px}
.stat-value{
  font-size:24px;font-weight:700;color:var(--ink);line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-value small{font-size:13px;font-weight:600;color:var(--ink-mid);margin-left:4px}
.stat-label{font-size:13px;color:var(--text-sub);margin-top:4px;line-height:1.6}

/* ============ 杂志网格 ============ */
.mag-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){ .mag-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){
  .mag-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .grid-card--feature{grid-column:span 2}
}
.grid-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--s1);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.grid-card:hover{border-color:rgba(14,91,76,.3);box-shadow:var(--s2);transform:translateY(-2px)}
.grid-card-img{display:block;overflow:hidden;background:var(--ink-light)}
.grid-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease}
.grid-card:hover .grid-card-img img{transform:scale(1.03)}
.grid-card .thumb{aspect-ratio:3/2}
.grid-card--feature .thumb{aspect-ratio:16/9}
.grid-card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.grid-card-body h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--text);
  transition:color .2s ease;
}
.grid-card:hover .grid-card-body h3{color:var(--ink)}
.grid-card--feature .grid-card-body h3{font-size:21px}
.grid-card-body p{
  font-size:14.5px;line-height:1.75;color:var(--text-sub);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.grid-card--feature .grid-card-body p{-webkit-line-clamp:2}
.meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--text-weak);
}
.meta-time{font-variant-numeric:tabular-nums}
.meta-line{width:1px;height:12px;background:var(--border);display:inline-block}
.badge{
  display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;
  background:var(--amber-light);color:var(--amber-ink);
}
.badge--ink{background:var(--ink-light);color:var(--ink)}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:auto;
  font-size:14px;font-weight:600;color:var(--ink);
}
.arrow-link span{transition:transform .2s ease}
.grid-card:hover .arrow-link span,.arrow-link:hover span{transform:translateX(4px)}

.grid-aside{
  background:var(--block);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:14px;
}
.grid-aside h3{font-size:16px;font-weight:700;color:var(--ink-deep);line-height:1.5}
.grid-aside p{font-size:14px;line-height:1.8;color:var(--text-sub)}
.aside-chips{display:flex;flex-wrap:wrap;gap:8px}
.aside-note{
  border-top:1px solid var(--border);padding-top:12px;
  font-size:13px;color:var(--text-weak);line-height:1.75;
}

/* ============ 分页 ============ */
.pagination{
  display:flex;align-items:center;justify-content:center;gap:10px;
  margin-top:34px;flex-wrap:wrap;
}
.page-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:36px;height:36px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:var(--white);
  font-size:14px;color:var(--text-sub);font-variant-numeric:tabular-nums;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.page-btn:hover{border-color:var(--ink);color:var(--ink);background:var(--ink-light)}
.page-btn.is-current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600}
.page-btn.is-disabled{opacity:.4;pointer-events:none}

.wide-cta{
  margin-top:24px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-big);
  box-shadow:var(--s1);padding:20px 24px;
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.wide-cta:hover{border-color:rgba(14,91,76,.3);box-shadow:var(--s2);transform:translateY(-2px)}
.wide-cta h3{font-size:17px;font-weight:600;color:var(--text)}
.wide-cta p{font-size:14px;color:var(--text-sub);margin-top:4px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  border:1px solid transparent;
}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px);box-shadow:var(--s2)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink-light);border-color:var(--ink-deep)}
.btn-onDark{
  background:#fff;color:var(--ink-deep);border-color:#fff;
}
.btn-onDark:hover{background:var(--ink-light);border-color:var(--ink-light);transform:translateY(-1px)}
.btn-block{width:100%}

/* ============ 场景索引条块 ============ */
.index-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:768px){ .index-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .index-grid{grid-template-columns:repeat(4,minmax(0,1fr))} }
.index-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--s1);
  transition:border-color .24s ease,box-shadow .24s ease,background .24s ease,transform .24s ease;
}
.index-card:hover{
  background:#FBFCFB;border-color:rgba(14,91,76,.3);box-shadow:var(--s2);transform:translateY(-2px);
}
.index-no{
  font-size:13px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
}
.index-card h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--text)}
.index-card p{font-size:14px;line-height:1.75;color:var(--text-sub)}
.index-card .arrow-link{margin-top:6px}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:flow}
@media (min-width:768px){ .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .flow-grid{grid-template-columns:repeat(4,minmax(0,1fr))} }
.flow-item{
  position:relative;background:var(--white);border:1px solid var(--border);
  border-radius:var(--r-card);padding:22px 20px 20px;box-shadow:var(--s1);
  transition:border-color .24s ease,box-shadow .24s ease,transform .24s ease;
}
.flow-item:hover{border-color:rgba(14,91,76,.3);box-shadow:var(--s2);transform:translateY(-2px)}
.flow-item::before{
  content:"";position:absolute;top:0;left:20px;width:34px;height:3px;
  background:var(--ink);border-radius:0 0 3px 3px;
}
.flow-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:8px;background:var(--ink-light);
  color:var(--ink);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.flow-item h3{font-size:16.5px;font-weight:600;color:var(--text);margin-bottom:8px}
.flow-item p{font-size:14px;line-height:1.75;color:var(--text-sub)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--s1);overflow:hidden;transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(14,91,76,.3)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--text);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--ink)}
.faq-plus{
  position:relative;flex:0 0 auto;width:16px;height:16px;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-plus::before{left:0;top:7px;width:16px;height:2px}
.faq-plus::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-plus::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 20px 18px}
.faq-a p{font-size:15px;line-height:1.85;color:var(--text-sub)}

/* ============ CTA 通栏 ============ */
.cta-band{background:var(--ink-deep);color:#fff}
.cta-inner{
  display:grid;gap:22px;padding:44px 0;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:minmax(0,1fr) minmax(0,420px);align-items:center;gap:40px;padding:52px 0}
}
.cta-inner h2{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;color:#fff;
}
.cta-inner p{font-size:15px;line-height:1.8;color:#C9D8D3;margin-top:10px;max-width:620px}
.cta-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:640px){
  .cta-form{flex-direction:row;align-items:center}
}
.cta-form input{
  flex:1 1 auto;min-height:46px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(230,240,236,.35);background:rgba(255,255,255,.06);
  color:#fff;font-size:15px;outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:#9DB6AF}
.cta-form input:focus{border-color:#fff;background:rgba(255,255,255,.12)}
.cta-note{font-size:13px;color:#A9BFB9;margin-top:4px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:#E6F0EC;padding:52px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.logo-mark{display:inline-flex;line-height:0}
.footer-brand .logo-text{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:#A9BFB9;max-width:340px}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;color:#A9BFB9;transition:color .2s ease;
  display:inline-flex;align-items:center;min-height:24px;
}
.footer-links a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(230,240,236,.18);
  display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
  font-size:13px;color:#A9BFB9;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:#A9BFB9;transition:color .2s ease}
.footer-bottom a:hover{color:#fff;text-decoration:underline}