/* roulang page: index */
:root{
  --brand-900:#0B1F1A;
  --brand-700:#10302A;
  --brand-500:#1F5C4C;
  --accent:#C9F24D;
  --clay:#D9603C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --line:#E5E1D6;
  --ink:#17181A;
  --muted:#6C706A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 24px -14px rgba(11,31,26,.20);
  --sh-2:0 2px 4px rgba(11,31,26,.07),0 20px 40px -18px rgba(11,31,26,.28);
  --nav-h:120px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Inter",system-ui,sans-serif;
  --bs-primary:#1F5C4C;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#17181A;
  --bs-body-font-family:var(--font-cn);
  --bs-border-radius:14px;
  --bs-link-color:#1F5C4C;
  --bs-link-hover-color:#10302A;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:var(--nav-h);
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--brand-700);font-weight:750;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:992px){.container-x{padding:0 32px;}}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.94);
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-head.is-scrolled{
  background:rgba(246,244,239,.98);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px -18px rgba(11,31,26,.45);
}
.nav-top{
  height:68px;display:flex;align-items:center;gap:16px;
  position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-700);
  display:grid;place-items:center;flex:0 0 auto;
}
.brand-mark span{
  width:14px;height:14px;border:2px solid var(--accent);border-radius:3px;display:block;
  transform:rotate(45deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-size:17px;font-weight:750;color:var(--brand-700);letter-spacing:.01em;}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;}
.nav-top-mid{flex:1 1 auto;min-width:0;}
.search-mini{
  display:flex;align-items:center;gap:8px;max-width:420px;margin-left:auto;margin-right:auto;
  border:1px solid var(--line);background:var(--surface);border-radius:999px;
  padding:8px 16px;color:var(--muted);font-size:14px;cursor:pointer;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-mini:hover{border-color:var(--brand-500);color:var(--brand-500);}
.search-mini i{font-size:13px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand-700);display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px);}
.search-overlay{
  position:absolute;left:0;right:0;top:0;height:68px;display:none;align-items:center;
  background:rgba(246,244,239,.99);z-index:5;gap:12px;
}
.search-overlay.open{display:flex;}
.search-field{
  flex:1 1 auto;height:44px;border:1px solid var(--line);border-radius:999px;background:var(--surface);
  padding:0 18px;font-size:15px;color:var(--ink);
}
.search-field:focus{border-color:var(--brand-500);outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.45);}
.nav-channels{
  border-top:1px solid var(--line);
  position:relative;
}
.channel-tabs{
  display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;white-space:nowrap;
}
.channel-tabs::-webkit-scrollbar{display:none;}
.ch-tab{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  font-size:14.5px;color:var(--muted);position:relative;flex:0 0 auto;
  transition:color .2s ease,background .2s ease;
}
.ch-tab::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:1px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.ch-tab:hover{color:var(--brand-500);}
.ch-tab:hover::after{transform:scaleX(1);}
.ch-tab.active{background:var(--brand-700);color:#F6F4EF;font-weight:600;}
.ch-tab.active::after{display:none;}
.tabs-fade{
  position:absolute;right:0;top:1px;bottom:0;width:34px;pointer-events:none;
  background:linear-gradient(90deg,rgba(246,244,239,0),rgba(246,244,239,.96));
}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 22px;border-radius:999px;
  background:var(--accent);color:var(--brand-900);font-weight:700;font-size:15px;border:1px solid var(--accent);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;cursor:pointer;
}
.btn-accent:hover{background:#d6ff5e;color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-accent:active{transform:translateY(0);}
.btn-square{
  display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 20px;border-radius:10px;
  background:transparent;border:1px solid var(--line);color:var(--brand-700);font-weight:600;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.btn-square:hover{border-color:var(--brand-500);color:var(--brand-500);background:var(--surface);transform:translateY(-2px);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;border-bottom:1px solid rgba(246,244,239,.22);
  background:#0B1F1A;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,31,26,.90) 0%,rgba(11,31,26,.78) 46%,rgba(11,31,26,.60) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:48px;
  padding:72px 0 76px;
}
@media(min-width:992px){
  .hero-inner{grid-template-columns:7fr 5fr;align-items:center;padding:96px 0 104px;gap:56px;}
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;
  letter-spacing:.1em;color:var(--accent);text-transform:uppercase;margin-bottom:22px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent);display:block;}
.hero h1{
  color:#F6F4EF;font-size:clamp(2.1rem,5.6vw,4.1rem);line-height:1.08;font-weight:800;
  letter-spacing:-.02em;margin-bottom:24px;max-width:15em;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{
  color:rgba(246,244,239,.82);font-size:clamp(1rem,1.6vw,1.15rem);line-height:1.8;
  max-width:34em;margin-bottom:34px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.btn-line-light{
  display:inline-flex;align-items:center;gap:10px;height:42px;padding:0 20px;border-radius:999px;
  border:1px solid rgba(246,244,239,.42);color:#F6F4EF;font-weight:600;font-size:15px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-line-light:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid rgba(246,244,239,.18);
}
.hero-float{
  position:absolute;left:-14px;bottom:26px;background:rgba(246,244,239,.97);border-radius:var(--r-md);
  padding:16px 20px;box-shadow:var(--sh-2);max-width:240px;
}
.hero-float b{display:block;font-family:var(--font-num);font-size:26px;line-height:1;color:var(--brand-700);}
.hero-float span{display:block;font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
@media(min-width:992px){.section{padding:104px 0;}}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head .eyebrow{color:var(--brand-500);margin-bottom:16px;}
.section-head .eyebrow::before{background:var(--brand-500);}
.section-title{font-size:clamp(1.6rem,3.2vw,2.5rem);line-height:1.2;margin-bottom:16px;}
.section-desc{color:var(--muted);font-size:16px;line-height:1.9;margin:0;}
.head-row{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand-500);
  border-bottom:1px solid transparent;transition:border-color .2s ease,gap .2s ease;
}
.link-more:hover{border-bottom-color:var(--brand-500);gap:12px;}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr;gap:0;}
@media(min-width:768px){.pain-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.pain-grid{grid-template-columns:repeat(4,1fr);}}
.pain-card{
  padding:28px 24px;border-top:1px solid var(--line);
  transition:background .25s ease,transform .25s ease;
}
@media(min-width:768px){
  .pain-card{border-right:1px solid var(--line);}
  .pain-card:nth-child(2n){border-right:none;}
}
@media(min-width:992px){
  .pain-card{border-right:1px solid var(--line);}
  .pain-card:nth-child(2n){border-right:1px solid var(--line);}
  .pain-card:nth-child(4n){border-right:none;}
}
.pain-card:hover{background:var(--surface);transform:translateY(-4px);}
.pain-tag{
  font-family:var(--font-num);font-size:13px;letter-spacing:.14em;color:var(--accent);
  background:var(--brand-700);border-radius:999px;padding:2px 10px;display:inline-block;margin-bottom:16px;
}
.pain-card h3{font-size:1.15rem;line-height:1.45;margin-bottom:10px;}
.pain-card p{color:var(--muted);font-size:14.5px;line-height:1.8;margin:0;}

/* ---------- 方案卡 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:992px){
  .plan-grid{grid-template-columns:repeat(3,1fr);}
  .plan-card.featured{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;gap:0;padding:0;overflow:hidden;}
}
.plan-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.plan-index{
  font-family:var(--font-num);font-size:34px;line-height:1;color:var(--brand-500);
  letter-spacing:.02em;margin-bottom:18px;
}
.plan-card.featured .plan-index{color:var(--accent);}
.plan-icon{
  width:40px;height:40px;border-radius:10px;background:rgba(31,92,76,.08);color:var(--brand-500);
  display:grid;place-items:center;font-size:17px;margin-bottom:18px;
}
.plan-card h3{font-size:1.2rem;line-height:1.4;margin-bottom:12px;}
.plan-card p{color:var(--muted);font-size:15px;line-height:1.85;margin:0 0 20px;}
.plan-foot{margin-top:auto;color:var(--brand-500);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.plan-feature-media{min-height:220px;}
.plan-feature-media img{width:100%;height:100%;object-fit:cover;}
.plan-feature-body{padding:32px;}
@media(max-width:991px){
  .plan-card.featured{display:block;padding:0;overflow:hidden;}
  .plan-feature-media{aspect-ratio:16/9;}
  .plan-feature-body{padding:24px;}
}

/* ---------- 数据带 ---------- */
.stats-band{background:var(--brand-900);color:#F6F4EF;padding:64px 0;}
@media(min-width:992px){.stats-band{padding:80px 0;}}
.stats-band .section-head .eyebrow{color:var(--accent);}
.stats-band .section-head .eyebrow::before{background:var(--accent);}
.stats-band .section-title{color:#F6F4EF;}
.stats-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
@media(min-width:992px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat{padding:20px 18px;border-left:1px solid rgba(246,244,239,.18);}
.stat:first-child{border-left:none;}
@media(max-width:991px){
  .stat:nth-child(odd){border-left:none;}
  .stat{border-top:1px solid rgba(246,244,239,.18);}
  .stat:nth-child(-n+2){border-top:none;}
}
.stat-num{
  font-family:var(--font-num);font-size:clamp(2.2rem,5vw,3.4rem);line-height:1;font-weight:600;
  color:var(--accent);letter-spacing:.01em;
}
.stat-num small{font-size:.45em;color:rgba(246,244,239,.7);margin-left:6px;font-family:var(--font-cn);}
.stat-label{margin-top:10px;font-size:14px;color:rgba(246,244,239,.72);line-height:1.7;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.news-grid{grid-template-columns:repeat(3,1fr);}}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .28s ease,box-shadow .28s ease;display:flex;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.news-link{display:flex;flex-direction:column;width:100%;color:inherit;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--line);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-thumb img{transform:scale(1.02);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:14px;flex-wrap:wrap;}
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(31,92,76,.09);color:var(--brand-700);font-size:12.5px;font-weight:600;
}
.badge-accent{background:var(--accent);color:var(--brand-900);}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--line);display:inline-block;}
.news-title{
  font-size:1.1rem;line-height:1.5;margin-bottom:10px;color:var(--brand-700);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;}
.news-excerpt{
  color:var(--muted);font-size:14.5px;line-height:1.8;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:8px;}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:26px;color:var(--brand-500);margin-bottom:14px;display:block;}
.empty-state p{margin:0 0 18px;font-size:15px;}

/* ---------- 转化 / 表单 ---------- */
.cta-section{background:rgba(229,225,214,.38);}
.cta-grid{display:grid;grid-template-columns:1fr;gap:40px;}
@media(min-width:992px){.cta-grid{grid-template-columns:1fr 1fr;gap:56px;align-items:start;}}
.cta-visual{border-radius:var(--r-md);overflow:hidden;margin-top:28px;border:1px solid var(--line);}
.cta-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:30px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:1.2rem;margin-bottom:8px;}
.form-card .form-hint{color:var(--muted);font-size:14px;margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:8px;}
.req{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--clay);vertical-align:middle;margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);
  padding:0 14px;font-size:15px;color:var(--ink);font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-500);outline:none;box-shadow:0 0 0 3px rgba(201,242,77,.5);
}
.btn-submit{
  width:100%;height:50px;border-radius:999px;border:1px solid var(--accent);background:var(--accent);
  color:var(--brand-900);font-weight:700;font-size:16px;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-submit:hover{background:#d6ff5e;transform:translateY(-2px);box-shadow:var(--sh-2);}
.agree{display:flex;gap:10px;align-items:flex-start;margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.7;}
.agree input{width:16px;height:16px;margin-top:2px;accent-color:var(--brand-500);flex:0 0 auto;}

/* ---------- 隐私说明 ---------- */
.privacy-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:36px;}
.privacy-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:992px){.privacy-grid{grid-template-columns:4fr 7fr;gap:48px;}}
.privacy-block h2{font-size:clamp(1.4rem,2.4vw,1.8rem);margin-bottom:14px;}
.privacy-content p{color:var(--muted);font-size:15.5px;line-height:1.9;}
.privacy-list li{
  position:relative;padding-left:20px;color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:12px;
}
.privacy-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;background:var(--accent);border-radius:2px;
}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;padding:22px 0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:1.06rem;font-weight:650;color:var(--brand-700);line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-500);}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .3s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-500);border-radius:1px;
}
.faq-icon::before{left:0;right:0;top:10px;height:2px;}
.faq-icon::after{top:0;bottom:0;left:10px;width:2px;transition:opacity .25s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{
  padding:0 0 24px;max-width:720px;color:var(--muted);font-size:15.5px;line-height:1.9;
  background:rgba(229,225,214,.28);border-radius:var(--r-sm);padding:18px 20px 22px;margin-bottom:22px;
}
.faq-item.open .faq-a{max-height:520px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(246,244,239,.78);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:48px;}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-mark{background:rgba(246,244,239,.1);}
.footer-brand .brand-name{color:#F6F4EF;font-size:17px;font-weight:750;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(246,244,239,.68);max-width:32ch;}
.footer-title{
  font-size:13px;letter-spacing:.1em;color:var(--accent);font-weight:600;margin-bottom:18px;
}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:rgba(246,244,239,.78);font-size:14.5px;transition:color .2s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;margin-bottom:12px;color:rgba(246,244,239,.78);}
.footer-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{
  border-top:1px solid rgba(246,244,239,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(246,244,239,.56);
}
.footer-bottom a{color:rgba(246,244,239,.68);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 弹层 ---------- */
.modal-content{
  border:none;border-radius:18px;background:var(--surface);box-shadow:var(--sh-2);
}
.modal-header{border-bottom:1px solid var(--line);padding:22px 26px;}
.modal-title{font-size:1.15rem;font-weight:750;color:var(--brand-700);}
.modal-body{padding:26px;}
.modal-backdrop.show{opacity:.45;background:#0B1F1A;}
.btn-close{cursor:pointer;}
.btn-close:focus{box-shadow:0 0 0 3px rgba(201,242,77,.6);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- 移动端导航 ---------- */
.offcanvas{background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:16px;font-weight:750;color:var(--brand-700);}
.offcanvas-body{padding:20px;}
.drawer-tabs{display:flex;flex-direction:column;gap:6px;margin-bottom:26px;}
.drawer-tab{
  display:block;padding:14px 16px;border-radius:var(--r-sm);font-size:15.5px;color:var(--brand-700);
  border:1px solid var(--line);background:var(--surface);transition:border-color .2s ease,background .2s ease;
}
.drawer-tab:hover{border-color:var(--brand-500);background:rgba(31,92,76,.05);}
.drawer-tab.active{background:var(--brand-700);color:#F6F4EF;border-color:var(--brand-700);}
@media(max-width:991px){
  .nav-top-mid{display:none;}
  .nav-actions .btn-accent{display:none;}
  .brand-sub{display:none;}
}
@media(max-width:575px){
  body{font-size:16px;}
  .hero-inner{padding:52px 0 56px;gap:32px;}
  .hero-float{left:0;right:auto;bottom:-10px;}
  .section{padding:56px 0;}
  .form-card{padding:22px;}
  .privacy-block{padding:24px;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B1F1A;
  --brand-700:#10302A;
  --brand-500:#1F5C4C;
  --accent:#C9F24D;
  --clay:#D9603C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --line:#E5E1D6;
  --ink:#17181A;
  --muted:#6C706A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(11,31,26,.06),0 10px 24px -14px rgba(11,31,26,.20);
  --sh-2:0 2px 4px rgba(11,31,26,.08),0 18px 38px -18px rgba(11,31,26,.28);
  --nav-h:120px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Inter",system-ui,sans-serif;
  --bs-primary:#1F5C4C;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#17181A;
  --bs-body-font-family:var(--font-cn);
  --bs-border-radius:14px;
  --bs-border-color:#E5E1D6;
  --bs-link-color:#1F5C4C;
  --bs-link-hover-color:#10302A;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-700)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;font-weight:750;letter-spacing:-.01em;color:var(--brand-900)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container-x{padding:0 32px}}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--brand-500);
  text-transform:uppercase;margin:0 0 14px;
}
.sec-sub{color:var(--muted);font-size:1rem;max-width:600px;margin-top:14px}
section[id]{scroll-margin-top:140px}

/* ---------- 导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,244,239,.95);
  border-bottom:1px solid transparent;
  transition:box-shadow .28s ease,border-color .28s ease,background .28s ease;
}
.site-head.scrolled{
  background:rgba(246,244,239,.97);
  border-bottom-color:var(--line);
  box-shadow:0 8px 22px -18px rgba(11,31,26,.5);
}
.brand-bar{position:relative;height:68px}
.brand-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand-logo{display:flex;align-items:center;gap:10px;color:var(--brand-900);font-weight:800;font-size:1.05rem;letter-spacing:.01em}
.brand-logo:hover{color:var(--brand-700)}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand-900);display:grid;place-items:center;flex:0 0 auto}
.brand-mark span{width:12px;height:12px;border-radius:3px;background:var(--accent);display:block;transform:rotate(45deg)}
.brand-name{white-space:nowrap}
.brand-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand-700);display:grid;place-items:center;cursor:pointer;transition:.24s ease;
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px)}
.search-layer{
  position:absolute;left:0;right:0;top:0;height:68px;z-index:6;
  background:var(--surface);border-bottom:1px solid var(--line);
  display:none;align-items:center;
}
.site-head.search-open .search-layer{display:flex}
.search-inner{display:flex;align-items:center;gap:14px;width:100%}
.search-inner i{color:var(--muted)}
.search-inner input{
  flex:1;border:0;background:transparent;font-size:1rem;color:var(--ink);height:44px;
}
.search-inner input:focus{outline:none}
.search-inner input::placeholder{color:#9A9E97}
.search-close{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:1.05rem;padding:8px}
.search-close:hover{color:var(--brand-900)}
.channel-wrap{position:relative}
.channel-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:24px;pointer-events:none;
  background:linear-gradient(90deg,rgba(246,244,239,0),rgba(246,244,239,.96));
}
.channel-tabs{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
  border-top:1px solid rgba(229,225,214,.75);
}
.channel-tabs::-webkit-scrollbar{display:none}
.ch-tab{
  position:relative;display:inline-block;padding:7px 16px;border-radius:999px;
  font-size:.94rem;font-weight:600;color:var(--muted);border:1px solid transparent;
  transition:color .24s ease,border-color .24s ease,background .24s ease;
}
.ch-tab::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:1px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.ch-tab:hover{color:var(--brand-700)}
.ch-tab:hover::after{transform:scaleX(1)}
.ch-tab.active{background:var(--brand-700);color:#F6F4EF;border-color:var(--brand-700)}
.ch-tab.active::after{transform:scaleX(0)}
.brand-cta{
  display:inline-flex;align-items:center;gap:8px;border:0;cursor:pointer;
  background:var(--brand-700);color:#F6F4EF;font-weight:650;font-size:.9rem;
  padding:10px 20px;border-radius:999px;transition:.24s ease;
}
.brand-cta:hover{background:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* ---------- 按钮 ---------- */
.btn-pill{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 26px;font-size:.96rem;font-weight:650;
  border:1px solid transparent;cursor:pointer;transition:.24s cubic-bezier(.22,.61,.36,1);
  text-align:center;line-height:1.3;
}
.btn-accent{background:var(--accent);color:var(--brand-900);box-shadow:var(--sh-1)}
.btn-accent:hover{background:#D7FA63;color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:rgba(246,244,239,.42);color:#F6F4EF}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost-dark{background:var(--surface);border-color:var(--line);color:var(--brand-700)}
.btn-ghost-dark:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px);box-shadow:var(--sh-1)}
.btn-line{background:transparent;border-color:var(--line);color:var(--brand-700);border-radius:10px}
.btn-line:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}
.btn-pill:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Hero ---------- */
.page-hero{position:relative;background:var(--brand-900);color:#F6F4EF;overflow:hidden;padding:34px 0 62px}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity:.2;
}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(246,244,239,.22)}
.hero-inner{position:relative;z-index:2}
.crumb{
  display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(246,244,239,.62);
  letter-spacing:.02em;padding:6px 0 26px;
}
.crumb a{color:rgba(246,244,239,.78)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:rgba(246,244,239,.34)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:38px;align-items:center}
@media (min-width:992px){.hero-grid{grid-template-columns:1.12fr .88fr;gap:56px}}
.hero-copy .eyebrow{color:var(--accent)}
.page-hero h1{
  color:#F6F4EF;font-size:clamp(1.95rem,4.4vw,3.05rem);font-weight:800;line-height:1.14;letter-spacing:-.02em;
}
.hero-sub{color:rgba(246,244,239,.76);font-size:1.02rem;margin-top:18px;max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:26px;font-size:.88rem;color:rgba(246,244,239,.68)}
.hero-meta li{display:flex;align-items:center;gap:8px}
.hero-meta i{color:var(--accent);font-size:.8rem}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:0 26px 50px -28px rgba(0,0,0,.7)}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.media-badge{
  position:absolute;left:16px;bottom:16px;background:rgba(11,31,26,.82);color:#F6F4EF;
  font-size:12.5px;letter-spacing:.06em;padding:8px 14px;border-radius:999px;
}
@media (max-width:575px){
  .page-hero{padding:22px 0 44px}
  .hero-cta .btn-pill{width:100%}
}

/* ---------- 锚点条 ---------- */
.anchor-section{background:var(--bg);border-bottom:1px solid var(--line)}
.anchor-bar{display:flex;gap:10px;overflow-x:auto;padding:18px 0;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:.89rem;font-weight:600;color:var(--brand-700);transition:.24s ease;
}
.anchor-pill span{font-family:var(--font-num);font-size:.82rem;color:var(--brand-500);letter-spacing:.04em}
.anchor-pill:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sh-1)}

/* ---------- 板块 ---------- */
.section{padding:72px 0}
@media (min-width:992px){.section{padding:100px 0}}
.section-alt{background:#F1EEE6;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:42px}
.sec-head h2{font-size:clamp(1.55rem,3vw,2.3rem);line-height:1.2;max-width:640px}
.sec-head .sec-sub{margin-top:16px}

/* 编号清单 */
.num-list{border-top:1px solid var(--line)}
.num-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  padding:32px 0;border-bottom:1px solid var(--line);
}
@media (min-width:768px){
  .num-item{grid-template-columns:96px 1fr;gap:34px;padding:40px 0}
}
.num{
  font-family:var(--font-num);font-size:2.6rem;font-weight:700;line-height:1;
  color:var(--brand-500);letter-spacing:-.02em;position:relative;
}
@media (min-width:768px){.num{font-size:3.4rem}}
.num::after{content:"";display:block;width:26px;height:4px;border-radius:2px;background:var(--accent);margin-top:12px}
.num-body h3{font-size:1.22rem;margin-bottom:10px}
.num-body p{color:var(--muted);font-size:.99rem;max-width:660px}
.tick-list{margin-top:16px;display:grid;gap:9px}
@media (min-width:768px){.tick-list{grid-template-columns:1fr 1fr;max-width:660px}}
.tick-list li{position:relative;padding-left:20px;font-size:.94rem;color:var(--muted)}
.tick-list li::before{
  content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:2px;background:var(--accent);
}

/* 核对卡 */
.check-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.check-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.check-grid{grid-template-columns:repeat(4,1fr)}}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:.28s cubic-bezier(.22,.61,.36,1);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D9D4C6}
.check-idx{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;
  border-radius:var(--r-sm);background:rgba(31,92,76,.09);color:var(--brand-500);
  font-family:var(--font-num);font-size:1.05rem;font-weight:700;margin-bottom:16px;
}
.check-card h3{font-size:1.06rem;margin-bottom:10px}
.check-card p{font-size:.93rem;color:var(--muted);line-height:1.8}

/* 双列图文 */
.duo-grid{display:grid;grid-template-columns:1fr;gap:26px}
@media (min-width:840px){.duo-grid{grid-template-columns:1fr 1fr;gap:30px}}
.duo-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:.28s cubic-bezier(.22,.61,.36,1);
}
.duo-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.duo-card figure{margin:0;overflow:hidden}
.duo-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.duo-card:hover img{transform:scale(1.02)}
.duo-body{padding:24px 24px 26px}
@media (max-width:575px){.duo-body{padding:20px}}
.duo-tag{
  display:inline-block;background:rgba(217,96,60,.1);color:var(--clay);
  font-size:12px;font-weight:650;letter-spacing:.04em;padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.duo-body h3{font-size:1.12rem;margin-bottom:12px}
.duo-body p{font-size:.94rem;color:var(--muted)}
.duo-body .tick-list{margin-top:16px}
.duo-body .tick-list li{font-size:.9rem}

/* FAQ */
.faq-wrap{max-width:820px}
.acc .accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.acc .accordion-button{
  background:transparent;box-shadow:none;padding:22px 6px;border-radius:0;
  color:var(--brand-900);font-size:1.06rem;font-weight:650;line-height:1.5;
}
.acc .accordion-button:not(.collapsed){color:var(--brand-700);background:transparent}
.acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.acc .accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.acc .accordion-button::after{
  background-image:none;content:"+";width:26px;height:26px;flex:0 0 26px;
  display:grid;place-items:center;font-size:1.4rem;font-weight:400;line-height:1;
  color:var(--brand-500);transition:transform .26s ease,color .26s ease;transform:none;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-700)}
.acc .accordion-body{padding:0 6px 26px;color:var(--muted);font-size:.97rem;max-width:700px}
.acc .accordion-body strong{color:var(--brand-900);font-weight:650}

/* CTA 条 */
.cta-band{background:var(--brand-900);color:#F6F4EF;padding:64px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,242,77,.16),rgba(201,242,77,0) 70%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr;gap:48px}}
.cta-inner h2{color:#F6F4EF;font-size:clamp(1.5rem,2.7vw,2.05rem);line-height:1.24}
.cta-inner p{color:rgba(246,244,239,.74);margin-top:14px;font-size:.98rem;max-width:540px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:900px){.cta-actions{justify-content:flex-end}}
@media (max-width:575px){.cta-actions .btn-pill{width:100%}}

/* 表单 */
.lead-form{display:grid;gap:16px;margin-top:18px}
.field label{
  display:block;font-size:13px;color:var(--muted);letter-spacing:.02em;margin-bottom:7px;
}
.field .req{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--clay);margin-left:5px;vertical-align:2px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--surface);
  padding:0 14px;font-size:.95rem;color:var(--ink);font-family:inherit;transition:.22s ease;height:48px;
}
.field textarea{height:auto;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#A6AAA3}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 2px var(--accent);
}
.agree{display:flex;gap:9px;align-items:flex-start;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:2px}
.agree input{margin-top:3px;accent-color:var(--brand-500)}
.form-note{font-size:13px;color:var(--muted);margin:0}

/* 弹层 */
.modal-backdrop.show{opacity:.45;background:var(--brand-900)}
.lead-modal{border:0;border-radius:18px;overflow:hidden;box-shadow:var(--sh-2)}
.lead-modal .modal-header{
  border-bottom:1px solid var(--line);padding:22px 26px;align-items:flex-start;
}
.lead-modal .modal-title{font-size:1.15rem}
.lead-modal .modal-body{padding:22px 26px 28px}
@media (max-width:575px){
  .lead-modal .modal-header,.lead-modal .modal-body{padding-left:18px;padding-right:18px}
}

/* 抽屉 */
.drawer{background:var(--bg);width:300px}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.drawer .brand-name{font-weight:800;color:var(--brand-900)}
.drawer .offcanvas-body{padding:18px 20px 26px}
.drawer-link{
  display:block;padding:13px 4px;border-bottom:1px solid var(--line);
  color:var(--brand-700);font-weight:600;font-size:.98rem;
}
.drawer-link.active{color:var(--brand-500)}
.drawer-link:hover{color:var(--brand-500)}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#F6F4EF;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(246,244,239,.1)}
.footer-brand .brand-name{font-weight:800;font-size:1.05rem;color:#F6F4EF}
.footer-desc{color:rgba(246,244,239,.66);font-size:.92rem;line-height:1.85;max-width:340px}
.footer-title{
  font-size:13px;font-weight:650;letter-spacing:.1em;color:var(--accent);margin-bottom:16px;
}
.footer-links li{margin-bottom:11px}
.footer-links a{color:rgba(246,244,239,.78);font-size:.94rem}
.footer-links a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;color:rgba(246,244,239,.72);font-size:.92rem;margin-bottom:13px;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:.82rem}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(246,244,239,.12);margin-top:44px;padding-top:20px;
  color:rgba(246,244,239,.55);font-size:13px;
}
.footer-bottom a{color:rgba(246,244,239,.7)}
.footer-bottom a:hover{color:var(--accent)}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s cubic-bezier(.22,.61,.36,1),transform .42s cubic-bezier(.22,.61,.36,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .check-card,.duo-card,.btn-pill,.duo-card img{transition:none}
  .check-card:hover,.duo-card:hover,.btn-pill:hover{transform:none}
  .duo-card:hover img{transform:none}
}
@media (max-width:383px){
  body{font-size:16px}
  .brand-name{font-size:.98rem}
  .num{font-size:2.2rem}
}

/* roulang page: article */
:root{
  --brand-900:#0B1F1A;
  --brand-700:#10302A;
  --brand-500:#1F5C4C;
  --accent:#C9F24D;
  --clay:#D9603C;
  --bg:#F6F4EF;
  --surface:#FFFFFF;
  --line:#E5E1D6;
  --ink:#17181A;
  --muted:#6C706A;
  --soft:#3A3E39;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --sh-1:0 1px 2px rgba(11,31,26,.06), 0 10px 24px -14px rgba(11,31,26,.20);
  --sh-2:0 2px 4px rgba(11,31,26,.08), 0 18px 36px -18px rgba(11,31,26,.28);
  --head-h:68px;
  --tabs-h:54px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;

  --bs-primary:#1F5C4C;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#17181A;
  --bs-border-radius:14px;
  --bs-border-color:#E5E1D6;
  --bs-link-color:#1F5C4C;
  --bs-link-hover-color:#10302A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent);color:var(--brand-900)}

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

/* ============ 顶部导航 ============ */
.site-head{
  position:sticky;top:0;z-index:1030;
  background:var(--bg);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.site-head.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 1px 0 var(--line),0 12px 26px -24px rgba(11,31,26,.55);
}
.head-top{height:var(--head-h);display:flex;align-items:center}
.head-top-inner{position:relative;display:flex;align-items:center;gap:14px}

.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;letter-spacing:-.01em;flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand-700);
  display:grid;place-items:center;flex:none;
}
.brand-mark span{width:10px;height:10px;border-radius:2px;background:var(--accent);display:block;transform:rotate(45deg)}
.brand-name{font-size:17px;white-space:nowrap}

.head-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.tool-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-items:center;cursor:pointer;
  color:var(--soft);transition:border-color .2s,color .2s,transform .2s,box-shadow .2s;
}
.tool-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px);box-shadow:var(--sh-1)}
.burger{display:none}

.search-panel{
  position:absolute;inset:0;display:flex;align-items:center;
  background:var(--bg);opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
}
.search-panel.open{opacity:1;visibility:visible;transform:none}
.search-panel form{
  display:flex;align-items:center;gap:12px;width:100%;height:46px;
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:0 20px;box-shadow:var(--sh-1);
}
.search-panel form i{color:var(--muted);font-size:14px}
.search-panel input{flex:1;border:0;outline:none;background:transparent;font-size:15px}
.search-panel input::placeholder{color:#9A9E97}

.head-bottom{border-top:1px solid var(--line)}
.head-bottom .container-x{position:relative}
.head-bottom .container-x::after{
  content:"";position:absolute;top:0;bottom:0;right:0;width:24px;
  background:linear-gradient(90deg,rgba(246,244,239,0),#F6F4EF);
  pointer-events:none;
}
.channel-tabs{
  display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding:9px 0;
}
.channel-tabs::-webkit-scrollbar{display:none}
.ch-tab{
  flex:none;padding:8px 17px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--muted);white-space:nowrap;position:relative;
  transition:color .2s,background .2s;
}
.ch-tab::after{
  content:"";position:absolute;left:17px;right:17px;bottom:2px;height:1px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .25s cubic-bezier(.22,.61,.36,1);
}
.ch-tab:hover{color:var(--brand-500)}
.ch-tab:hover::after{transform:scaleX(1)}
.ch-tab.active{background:var(--brand-700);color:#F6F4EF}
.ch-tab.active::after{display:none}
.ch-tab.active:hover{color:#F6F4EF}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:650;padding:11px 22px;cursor:pointer;
  text-align:center;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-solid{background:var(--brand-700);color:#F6F4EF}
.btn-solid:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-solid:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:var(--brand-900)}
.btn-accent:hover{color:var(--brand-900);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);border-radius:10px}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}
.btn-quiet{background:transparent;color:var(--brand-500);padding:11px 4px}
.btn-quiet:hover{color:var(--brand-700)}
.btn-quiet i{transition:transform .2s}
.btn-quiet:hover i{transform:translateX(-3px)}

/* ============ 文章头部 ============ */
.art-hero{padding:56px 0 36px;border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand-500)}
.crumbs .sep{color:#C4C0B4}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-500);margin-bottom:14px;
}
.art-title{
  font-size:clamp(1.9rem,4vw,3.05rem);font-weight:800;line-height:1.14;
  letter-spacing:-.02em;max-width:960px;color:var(--brand-900);
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;font-size:13px;color:var(--muted)}
.art-meta .dot{width:1px;height:12px;background:var(--line)}
.badge-x{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  background:rgba(201,242,77,.38);color:var(--brand-700);
  font-size:12px;font-weight:650;letter-spacing:.02em;
}

/* ============ 正文 ============ */
.art-wrap{padding:56px 0 96px}
.art-layout{
  display:grid;grid-template-columns:minmax(0,760px) 200px;
  gap:56px;justify-content:center;align-items:start;
}
.art-content{font-size:17px;line-height:1.9;color:#2A2C2E;min-width:0}
.art-content > *:first-child{margin-top:0}
.art-content p{margin:0 0 1.2em}
.art-content h1,.art-content h2{
  font-size:clamp(1.35rem,2.2vw,1.68rem);font-weight:750;line-height:1.3;
  color:var(--brand-900);margin:2.2em 0 .8em;
}
.art-content h3{font-size:1.15rem;font-weight:650;line-height:1.4;color:var(--brand-900);margin:1.8em 0 .6em}
.art-content h4{font-size:1.02rem;font-weight:650;color:var(--brand-900);margin:1.5em 0 .5em}
.art-content ul,.art-content ol{margin:0 0 1.3em}
.art-content ul li{position:relative;padding-left:24px;margin-bottom:.55em}
.art-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  background:var(--accent);border-radius:2px;
}
.art-content ol{counter-reset:olc}
.art-content ol li{position:relative;padding-left:34px;margin-bottom:.55em;counter-increment:olc}
.art-content ol li::before{
  content:counter(olc);position:absolute;left:0;top:.26em;width:22px;height:22px;
  border-radius:6px;background:var(--brand-700);color:#F6F4EF;
  font-size:12px;font-weight:650;display:grid;place-items:center;line-height:1;
}
.art-content blockquote{
  margin:1.7em 0;padding:18px 24px;background:#FBFAF6;
  border-left:3px solid var(--accent);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--soft);
}
.art-content blockquote p:last-child{margin-bottom:0}
.art-content figure{margin:1.7em 0}
.art-content img{border-radius:12px;width:100%;object-fit:cover}
.art-content figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.art-content a{color:var(--brand-500);text-decoration:underline;text-decoration-color:rgba(31,92,76,.35);text-underline-offset:3px}
.art-content a:hover{color:var(--brand-700);text-decoration-color:var(--brand-700)}
.art-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.art-content table{
  width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.art-content th,.art-content td{border:1px solid var(--line);padding:11px 15px;text-align:left}
.art-content th{background:#FBFAF6;font-weight:650}
.art-content pre{
  background:var(--brand-900);color:#E8EEE9;padding:18px 20px;border-radius:12px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.7em 0;
}
.art-content code{font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-size:.92em}

.art-side{position:sticky;top:calc(var(--head-h) + var(--tabs-h) + 30px)}
.art-side-box{border-top:1px solid var(--line);padding-top:16px;margin-bottom:28px}
.art-side-title{font-size:13px;letter-spacing:.08em;font-weight:650;color:var(--muted);margin-bottom:14px}
.art-side-list li{margin-bottom:11px}
.art-side-list a{font-size:14px;color:var(--soft);display:flex;gap:8px;align-items:baseline;line-height:1.6}
.art-side-list a:hover{color:var(--brand-500)}
.art-side-list a i{font-size:11px;color:var(--accent);margin-top:1px}

/* ============ 标签 / 相关 / 底部 ============ */
.art-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
}
.tag-label{font-size:13px;color:var(--muted);letter-spacing:.04em}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);font-size:13px;
  color:var(--soft);transition:border-color .2s,color .2s,transform .2s;
}
.tag-pill:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}

.art-related{margin-top:64px}
.sec-title-sm{font-size:clamp(1.25rem,2.2vw,1.55rem);font-weight:750;color:var(--brand-900);margin-bottom:8px}
.sec-desc-sm{font-size:14px;color:var(--muted);margin-bottom:26px}
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

.post-card{
  display:block;background:var(--surface);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);height:100%;
  transition:transform .28s cubic-bezier(.22,.61,.36,1),box-shadow .28s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:var(--ink)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEAE1}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.02)}
.post-body{padding:22px 24px 24px}
.post-title{font-size:1.05rem;font-weight:650;line-height:1.45;color:var(--ink)}
.post-card:hover .post-title{text-decoration:underline;text-decoration-color:var(--brand-500);text-underline-offset:4px}
.post-desc{
  font-size:14px;color:var(--muted);line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:650;color:var(--brand-500);margin-top:14px}
.post-card:hover .post-more i{transform:translateX(3px)}
.post-more i{transition:transform .2s ease}

.art-foot{
  margin-top:56px;padding:26px 28px;background:var(--surface);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.art-foot p{font-size:14px;color:var(--muted);margin:0;max-width:440px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:650;color:var(--brand-500)}
.back-link:hover{color:var(--brand-700)}

.empty-state{
  padding:72px 24px;text-align:center;background:var(--surface);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.empty-state i{font-size:30px;color:var(--brand-500);opacity:.6}
.empty-state p{font-size:17px;font-weight:650;color:var(--brand-900);margin:18px 0 22px}

/* ============ 弹层 / 表单 ============ */
.modal-backdrop.show{opacity:.45;background:var(--brand-900)}
.modal-x{border:0;border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.modal-x .modal-header{border-bottom:1px solid var(--line);padding:22px 26px}
.modal-x .modal-title{font-size:1.05rem;font-weight:750;color:var(--brand-900)}
.modal-x .modal-body{padding:24px 26px 28px}
.modal-x .btn-close:focus{box-shadow:0 0 0 2px var(--accent)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px}
.field .req{color:var(--clay);margin-left:2px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:0 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:106px;padding:12px 14px;line-height:1.65;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 2px var(--accent);
}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--muted);line-height:1.65;margin:6px 0 16px}
.agree input{margin-top:4px;accent-color:var(--brand-500)}
.agree a{color:var(--brand-500);text-decoration:underline;text-underline-offset:2px}
.form-tip{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.7}

/* ============ 抽屉 ============ */
.drawer-x{background:var(--bg);border:0;width:322px;max-width:88vw}
.drawer-x .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer-x .offcanvas-title{font-size:16px;font-weight:750;color:var(--brand-900)}
.drawer-x .offcanvas-body{padding:18px 22px 28px}
.drawer-link{display:block;padding:14px 2px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink)}
.drawer-link:hover{color:var(--brand-500)}
.drawer-x .btn-x{width:100%;margin-top:24px}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#E9EDE9;padding:76px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(246,244,239,.1)}
.footer-brand .brand-name{color:#F6F4EF;font-weight:750;font-size:17px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(246,244,239,.62);max-width:330px}
.footer-title{font-size:13px;letter-spacing:.1em;font-weight:650;color:var(--accent);margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:rgba(246,244,239,.72)}
.footer-links a:hover{color:#F6F4EF;text-decoration:underline;text-underline-offset:3px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(246,244,239,.72);margin-bottom:11px;line-height:1.7}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:6px;flex:none}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(246,244,239,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,244,239,.55);
}
.footer-bottom a{color:rgba(246,244,239,.66)}
.footer-bottom a:hover{color:#F6F4EF}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .art-layout{grid-template-columns:minmax(0,760px);gap:0}
  .art-side{display:none}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:36px}
}
@media (max-width:991px){
  .head-cta{display:none}
  .burger{display:grid}
  .art-hero{padding:42px 0 30px}
  .art-wrap{padding:44px 0 76px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767px){
  :root{--head-h:62px}
  body{font-size:16px}
  .brand-name{font-size:16px}
  .art-content{font-size:16px;line-height:1.85}
  .related-grid{grid-template-columns:1fr}
  .art-foot{padding:22px 20px}
  .art-foot .btn-x{width:100%}
  .art-title{font-size:1.72rem}
  .post-body{padding:20px}
  .modal-x .modal-body{padding:20px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .art-meta{gap:9px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
    --brand-900:#0B1F1A;
    --brand-700:#10302A;
    --brand-500:#1F5C4C;
    --accent:#C9F24D;
    --clay:#D9603C;
    --bg:#F6F4EF;
    --surface:#FFFFFF;
    --line:#E5E1D6;
    --ink:#17181A;
    --muted:#6C706A;
    --r-sm:8px;
    --r-md:14px;
    --r-lg:22px;
    --sh-1:0 1px 2px rgba(11,31,26,.06), 0 10px 24px -14px rgba(11,31,26,.20);
    --sh-2:0 2px 6px rgba(11,31,26,.08), 0 22px 44px -18px rgba(11,31,26,.30);
    --nav-h:68px;
    --bs-body-bg:#F6F4EF;
    --bs-body-color:#17181A;
    --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    --bs-border-radius:14px;
    --bs-border-radius-sm:8px;
    --bs-link-color:#1F5C4C;
    --bs-link-hover-color:#10302A;
    --bs-primary:#1F5C4C;
    --bs-primary-rgb:31,92,76;
    --bs-backdrop-bg:#0B1F1A;
    --bs-backdrop-opacity:.55;
  }
  @media (min-width:992px){ :root{ --nav-h:120px; } }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
  body{
    margin:0;
    padding-top:var(--nav-h);
    background:var(--bg);
    color:var(--ink);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
    font-size:16px;
    line-height:1.85;
    -webkit-font-smoothing:antialiased;
  }
  img{ display:block; max-width:100%; height:auto; }
  a{ color:var(--brand-500); text-decoration:none; transition:color .2s ease; }
  a:hover{ color:var(--brand-700); }
  ul,ol{ margin:0; padding:0; list-style:none; }
  p{ margin:0 0 1.15em; }
  h1,h2,h3,h4{ margin:0; color:var(--brand-700); font-weight:750; letter-spacing:-.01em; }
  button{ font-family:inherit; }
  :focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }

  .container-x{ width:100%; max-width:1200px; margin:0 auto; padding:0 20px; }
  @media (min-width:992px){ .container-x{ padding:0 32px; } }

  /* ---------- 导航 ---------- */
  .site-head{
    position:sticky; top:0; z-index:1030;
    background:rgba(246,244,239,.96);
    border-bottom:1px solid var(--line);
    transition:box-shadow .25s ease;
  }
  .site-head.is-scrolled{ box-shadow:var(--sh-1); }
  .head-bar{ height:68px; display:flex; align-items:center; position:relative; }
  .head-inner{ display:flex; align-items:center; gap:18px; width:100%; }
  .brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
  .brand-mark{
    width:32px; height:32px; border-radius:10px; background:var(--brand-700);
    display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto;
  }
  .brand-mark span{
    width:12px; height:12px; border-radius:3px; background:var(--accent); display:block;
    transform:rotate(45deg);
  }
  .brand-name{ font-size:18px; font-weight:750; color:var(--brand-700); letter-spacing:.01em; }
  .channels{ flex:1 1 auto; min-width:0; }
  .channel-tabs{ display:flex; align-items:center; gap:6px; overflow-x:auto; scrollbar-width:none; }
  .channel-tabs::-webkit-scrollbar{ display:none; }
  .ch-tab{
    flex:0 0 auto; padding:9px 16px; border-radius:999px; font-size:14px; font-weight:600;
    color:var(--muted); white-space:nowrap; position:relative; transition:color .2s ease,background-color .2s ease;
  }
  .ch-tab:hover{ color:var(--brand-700); background:rgba(31,92,76,.06); }
  .ch-tab.active{ background:var(--brand-700); color:#F6F4EF; }
  .head-actions{ display:flex; align-items:center; gap:10px; margin-left:auto; flex:0 0 auto; }
  .icon-btn{
    width:42px; height:42px; border-radius:50%; border:1px solid var(--line); background:var(--surface);
    color:var(--brand-700); display:inline-flex; align-items:center; justify-content:center;
    cursor:pointer; transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .icon-btn:hover{ transform:translateY(-2px); box-shadow:var(--sh-1); border-color:var(--brand-500); }
  .btn-main{
    display:inline-flex; align-items:center; gap:8px; height:44px; padding:0 22px; border-radius:999px;
    background:var(--accent); color:var(--brand-900); font-weight:700; font-size:15px; border:0;
    transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .btn-main:hover{ color:var(--brand-900); transform:translateY(-2px); box-shadow:var(--sh-2); filter:brightness(1.03); }
  .btn-main:active{ transform:translateY(0); }
  .search-panel{
    position:absolute; left:0; right:0; top:100%; padding:14px 0 18px;
    background:rgba(246,244,239,.99); border-bottom:1px solid var(--line); box-shadow:var(--sh-1);
    display:none;
  }
  .search-panel.open{ display:block; }
  .search-row{ display:flex; gap:10px; align-items:center; }
  .search-row input{
    flex:1 1 auto; height:48px; border-radius:var(--r-sm); border:1px solid var(--line);
    background:#fff; padding:0 16px; font-size:15px; color:var(--ink);
  }
  .search-row input:focus{ outline:none; border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(201,242,77,.55); }
  .channel-bar{
    position:relative; height:52px; display:flex; align-items:center; border-top:1px solid var(--line);
  }
  .channel-bar::after{
    content:""; position:absolute; right:0; top:0; bottom:0; width:24px; pointer-events:none;
    background:linear-gradient(90deg, rgba(246,244,239,0), rgba(246,244,239,.96));
  }
  @media (max-width:991.98px){ .channel-bar{ display:none; } }

  .drawer-nav{ padding:22px 20px; }
  .drawer-title{ font-size:13px; letter-spacing:.1em; color:var(--muted); font-weight:600; margin-bottom:12px; }
  .drawer-links{ display:flex; flex-direction:column; gap:8px; margin-bottom:22px; }
  .drawer-links a{
    padding:12px 16px; border-radius:var(--r-md); background:var(--surface); border:1px solid var(--line);
    color:var(--brand-700); font-weight:650;
  }
  .drawer-links a.active{ background:var(--brand-700); color:#F6F4EF; border-color:var(--brand-700); }
  .offcanvas{ background:var(--bg); }

  /* ---------- Hero ---------- */
  .cat-hero{
    position:relative; padding:64px 0 68px;
    background-image:linear-gradient(180deg, rgba(11,31,26,.78), rgba(11,31,26,.68)), url("/assets/images/backpic/back-2.png");
    background-size:cover; background-position:center;
    border-bottom:1px solid rgba(246,244,239,.35);
    color:#F6F4EF;
  }
  .cat-hero-inner{ max-width:760px; margin:0 auto; text-align:center; }
  .eyebrow{
    display:inline-block; font-size:13px; font-weight:600; letter-spacing:.1em;
    color:var(--accent); margin-bottom:16px;
  }
  .breadcrumb-line{ font-size:13px; color:rgba(246,244,239,.72); margin-bottom:14px; }
  .breadcrumb-line a{ color:rgba(246,244,239,.86); }
  .breadcrumb-line a:hover{ color:var(--accent); }
  .breadcrumb-line span.sep{ margin:0 8px; opacity:.6; }
  .cat-hero h1{
    color:#F6F4EF; font-size:clamp(1.9rem,4.2vw,3rem); line-height:1.18; font-weight:800; letter-spacing:-.02em;
    margin-bottom:18px;
  }
  .cat-hero p{ color:rgba(246,244,239,.82); font-size:16px; max-width:640px; margin:0 auto 26px; }
  .hero-actions{ display:flex; flex-wrap:wrap; gap:12px; justify-content:center; }
  .btn-ghost{
    display:inline-flex; align-items:center; gap:8px; height:46px; padding:0 22px; border-radius:10px;
    background:transparent; border:1px solid rgba(246,244,239,.45); color:#F6F4EF; font-weight:600; font-size:15px;
    transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
  }
  .btn-ghost:hover{ background:rgba(246,244,239,.12); border-color:var(--accent); color:#F6F4EF; transform:translateY(-2px); }

  /* ---------- 板块通用 ---------- */
  .section{ padding:64px 0; }
  @media (min-width:992px){ .section{ padding:96px 0; } }
  .section-head{ margin-bottom:38px; max-width:720px; }
  .section-head h2{ font-size:clamp(1.6rem,3vw,2.3rem); line-height:1.2; margin-bottom:12px; }
  .section-head p{ color:var(--muted); font-size:15px; margin:0; }
  .section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }

  /* ---------- 卡片网格（不等高） ---------- */
  .case-grid{ display:grid; grid-template-columns:1fr; gap:24px; }
  @media (min-width:768px){
    .case-grid{ grid-template-columns:repeat(2,1fr); }
  }
  .case-card{
    background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md);
    overflow:hidden; display:flex; flex-direction:column;
    transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  }
  .case-card:hover{ transform:translateY(-4px); box-shadow:var(--sh-2); border-color:rgba(31,92,76,.28); }
  .case-figure{ position:relative; overflow:hidden; }
  .case-figure img{ width:100%; height:180px; object-fit:cover; transition:transform .3s ease; }
  .case-card--tall .case-figure img{ height:260px; }
  .case-card:hover .case-figure img{ transform:scale(1.02); }
  .case-body{ padding:24px; display:flex; flex-direction:column; gap:12px; flex:1 1 auto; }
  .badge-tag{
    display:inline-flex; align-items:center; gap:6px; align-self:flex-start;
    padding:5px 12px; border-radius:999px; background:rgba(31,92,76,.08);
    color:var(--brand-700); font-size:12.5px; font-weight:650; letter-spacing:.02em;
  }
  .badge-tag.accent{ background:var(--accent); color:var(--brand-900); }
  .case-body h3{ font-size:1.18rem; line-height:1.4; }
  .case-body p{ color:var(--muted); font-size:14.5px; margin:0; }
  .case-points{ margin-top:4px; }
  .case-points li{
    font-size:14px; color:var(--muted); padding-left:18px; position:relative; line-height:1.9;
  }
  .case-points li::before{
    content:""; position:absolute; left:0; top:.78em; width:7px; height:7px; border-radius:2px; background:var(--accent);
  }
  .card-link{
    margin-top:auto; padding-top:14px; border-top:1px solid var(--line);
    font-size:14px; font-weight:650; color:var(--brand-500); display:inline-flex; align-items:center; gap:8px;
  }
  .card-link i{ transition:transform .2s ease; font-size:12px; }
  .case-card:hover .card-link i{ transform:translateX(4px); }

  /* ---------- 流程条 ---------- */
  .flow-wrap{ background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg); padding:32px 24px; }
  .flow{ display:grid; gap:26px; position:relative; }
  @media (min-width:768px){
    .flow{ grid-template-columns:repeat(5,1fr); gap:18px; }
    .flow::before{
      content:""; position:absolute; left:14px; right:14px; top:14px; height:1px; background:var(--line);
    }
  }
  .flow-step{ position:relative; padding-left:44px; }
  @media (min-width:768px){
    .flow-step{ padding-left:0; padding-top:46px; }
  }
  .flow-step::after{
    content:""; position:absolute; left:13px; top:28px; bottom:-26px; width:1px; background:var(--line);
  }
  @media (min-width:768px){ .flow-step::after{ display:none; } }
  .flow-step:last-child::after{ display:none; }
  .flow-dot{
    position:absolute; left:0; top:0; width:28px; height:28px; border-radius:50%;
    background:var(--surface); border:1px solid var(--line); color:var(--brand-700);
    display:flex; align-items:center; justify-content:center; font-size:12.5px; font-weight:750;
  }
  @media (min-width:768px){
    .flow-dot{ left:0; }
  }
  .flow-step h3{ font-size:1.03rem; margin-bottom:6px; }
  .flow-step p{ font-size:14px; color:var(--muted); margin:0; }

  /* ---------- 数据小带 ---------- */
  .stat-band{
    background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
    display:grid; grid-template-columns:1fr; overflow:hidden;
  }
  @media (min-width:768px){ .stat-band{ grid-template-columns:repeat(3,1fr); } }
  .stat-cell{ padding:30px 26px; border-bottom:1px solid var(--line); }
  .stat-cell:last-child{ border-bottom:0; }
  @media (min-width:768px){
    .stat-cell{ border-bottom:0; border-right:1px solid var(--line); }
    .stat-cell:last-child{ border-right:0; }
  }
  .stat-num{
    font-size:clamp(2.2rem,5vw,3rem); font-weight:800; color:var(--brand-700);
    line-height:1; letter-spacing:-.03em; margin-bottom:10px; font-variant-numeric:tabular-nums;
  }
  .stat-num em{ font-style:normal; color:var(--brand-500); font-size:.5em; margin-left:4px; font-weight:700; }
  .stat-label{ font-size:14.5px; color:var(--muted); }

  /* ---------- FAQ ---------- */
  .faq .accordion-item{
    background:transparent; border:0; border-bottom:1px solid var(--line); border-radius:0;
  }
  .faq .accordion-item:first-child{ border-top:1px solid var(--line); }
  .faq .accordion-button{
    background:transparent; box-shadow:none; padding:22px 46px 22px 0; font-size:1.06rem; font-weight:650;
    color:var(--brand-700); line-height:1.5;
  }
  .faq .accordion-button:not(.collapsed){ color:var(--brand-700); background:transparent; box-shadow:none; }
  .faq .accordion-button::after{
    display:none;
  }
  .faq .accordion-button::before{
    content:"+"; position:absolute; right:6px; top:50%; transform:translateY(-50%);
    font-size:22px; font-weight:400; color:var(--brand-500); transition:transform .25s ease,color .25s ease;
  }
  .faq .accordion-button:not(.collapsed)::before{ content:"+"; transform:translateY(-50%) rotate(45deg); color:var(--accent); }
  .faq .accordion-button:focus{ box-shadow:none; outline:2px solid var(--accent); outline-offset:3px; }
  .faq .accordion-body{
    background:rgba(229,225,214,.28); border-radius:var(--r-sm); padding:20px 22px; max-width:720px;
    color:var(--ink); font-size:15px; line-height:1.9; margin-bottom:18px;
  }

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--brand-900); border-radius:var(--r-lg); padding:44px 28px; color:#F6F4EF;
    display:grid; gap:26px; align-items:center;
  }
  @media (min-width:992px){
    .cta-band{ grid-template-columns:1.2fr .8fr; padding:54px 48px; gap:40px; }
  }
  .cta-band h2{ color:#F6F4EF; font-size:clamp(1.5rem,2.8vw,2.1rem); margin-bottom:12px; }
  .cta-band p{ color:rgba(246,244,239,.78); margin:0; font-size:15px; }
  .cta-actions{ display:flex; flex-wrap:wrap; gap:12px; }
  @media (min-width:992px){ .cta-actions{ justify-content:flex-end; } }
  .cta-tips{ margin-top:12px; font-size:13px; color:rgba(246,244,239,.6); }

  /* ---------- 表单 ---------- */
  .modal-content{ border:0; border-radius:18px; box-shadow:var(--sh-2); background:var(--surface); }
  .modal-header{ border-bottom:1px solid var(--line); padding:20px 24px; }
  .modal-title{ font-size:1.15rem; font-weight:750; color:var(--brand-700); }
  .modal-body{ padding:22px 24px 26px; }
  .modal-footer{ border-top:1px solid var(--line); padding:16px 24px; }
  .btn-close{ opacity:.55; }
  .btn-close:hover{ opacity:1; }
  .form-label{ font-size:13px; color:var(--muted); font-weight:600; margin-bottom:6px; letter-spacing:.02em; }
  .req-dot{ display:inline-block; width:6px; height:6px; border-radius:50%; background:var(--clay); margin-left:5px; vertical-align:middle; }
  .form-control,.form-select{
    height:48px; border-radius:var(--r-sm); border:1px solid var(--line); background:#fff;
    font-size:15px; color:var(--ink); padding:0 14px;
  }
  textarea.form-control{ height:auto; min-height:112px; padding:12px 14px; line-height:1.75; }
  .form-control:focus,.form-select:focus{
    border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(201,242,77,.55); outline:none;
  }
  .form-check-input:checked{ background-color:var(--brand-500); border-color:var(--brand-500); }
  .form-check-input:focus{ border-color:var(--brand-500); box-shadow:0 0 0 3px rgba(201,242,77,.55); }
  .form-note{ font-size:12.5px; color:var(--muted); margin-top:10px; line-height:1.7; }
  .btn-submit{
    width:100%; height:50px; border-radius:999px; border:0; background:var(--accent); color:var(--brand-900);
    font-size:16px; font-weight:750; transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  }
  .btn-submit:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); filter:brightness(1.03); }
  .btn-submit:disabled{ background:#D9DED6; color:#7C837C; transform:none; box-shadow:none; }

  /* ---------- 页脚 ---------- */
  .site-footer{ background:var(--brand-900); color:#F6F4EF; margin-top:24px; padding:64px 0 26px; }
  .footer-grid{ display:grid; grid-template-columns:1fr; gap:34px; }
  @media (min-width:768px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (min-width:992px){ .footer-grid{ grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px; } }
  .footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
  .footer-brand .brand-mark{ background:rgba(246,244,239,.12); }
  .footer-brand .brand-name{ color:#F6F4EF; }
  .footer-desc{ color:rgba(246,244,239,.66); font-size:14.5px; max-width:330px; margin:0; }
  .footer-title{ font-size:13px; letter-spacing:.1em; color:var(--accent); font-weight:650; margin-bottom:16px; }
  .footer-links li{ margin-bottom:10px; }
  .footer-links a{ color:rgba(246,244,239,.78); font-size:14.5px; }
  .footer-links a:hover{ color:var(--accent); }
  .footer-contact li{ display:flex; gap:10px; color:rgba(246,244,239,.7); font-size:14.5px; margin-bottom:12px; }
  .footer-contact i{ color:var(--accent); margin-top:5px; font-size:13px; }
  .footer-bottom{
    margin-top:44px; padding-top:20px; border-top:1px solid rgba(246,244,239,.12);
    display:flex; flex-wrap:wrap; gap:10px; justify-content:space-between;
    font-size:13px; color:rgba(246,244,239,.6);
  }
  .footer-bottom a{ color:rgba(246,244,239,.7); }
  .footer-bottom a:hover{ color:var(--accent); }

  /* ---------- 动效 ---------- */
  .reveal{ opacity:0; transform:translateY(12px); transition:opacity .42s cubic-bezier(.22,.61,.36,1), transform .42s cubic-bezier(.22,.61,.36,1); }
  .reveal.in{ opacity:1; transform:none; }
  @media (prefers-reduced-motion: reduce){
    .reveal{ opacity:1; transform:none; transition:none; }
    html{ scroll-behavior:auto; }
    *{ transition-duration:.01ms !important; animation-duration:.01ms !important; }
  }
  @media (max-width:520px){
    .stat-cell{ padding:24px 20px; }
    .cta-band{ padding:34px 20px; border-radius:var(--r-md); }
    .case-body{ padding:20px; }
    .flow-wrap{ padding:26px 20px; }
  }