/* roulang page: index */
:root{
  --ink:#0B231F;
  --ink-2:#103A32;
  --brand:#0F6B57;
  --acid:#C8F169;
  --acid-2:#D7F98A;
  --clay:#E8623C;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DFD5;
  --text:#16211F;
  --text-2:#5B6B67;
  --mint:#7FD1C1;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 1px 2px rgba(11,35,31,.05),0 10px 24px -16px rgba(11,35,31,.22);
  --shadow-2:0 18px 40px -22px rgba(11,35,31,.34);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink-2)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
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:700;color:var(--text)}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:16px;top:-60px;z-index:120;background:var(--ink);color:#fff;padding:10px 18px;border-radius:var(--r-sm);font-size:14px;transition:top .2s ease}
.skip-link:focus{top:12px;color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-weight:700;font-size:15px;line-height:1;border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--acid);color:var(--ink);border-color:var(--acid)}
.btn-primary:hover{background:var(--acid-2);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:var(--acid);color:var(--ink);border-color:var(--acid);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* 通告条 */
.notice-bar{background:var(--ink);color:rgba(255,255,255,.86);font-size:13px}
.notice-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-top:7px;padding-bottom:7px;min-height:36px}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--clay);flex:0 0 auto}
.notice-text{flex:1 1 260px;line-height:1.6}
.notice-link{color:#fff;font-weight:600;white-space:nowrap}
.notice-link:hover{color:var(--acid)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,238,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-stuck{background:rgba(246,244,238,.94);box-shadow:var(--shadow-1)}
.nav-top{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px}
.logo-mark{position:relative;width:30px;height:30px;border-radius:50%;border:2px solid var(--brand);flex:0 0 auto}
.logo-mark::before{content:"";position:absolute;inset:6px;border-radius:50%;border:1px solid var(--mint)}
.logo-mark::after{content:"";position:absolute;top:-3px;right:-3px;width:10px;height:10px;border-radius:50%;background:var(--acid);border:2px solid var(--paper)}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo:hover .logo-text{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-text-link{font-size:14px;font-weight:600;color:var(--text-2)}
.nav-text-link:hover{color:var(--brand)}
.chip-nav{display:flex;flex-wrap:wrap;gap:10px;padding-bottom:14px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:transparent;
  font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#EFEDE5;color:var(--text)}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.chip.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid)}
.chip.is-active:hover{color:#fff}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;padding:0 11px;
}
.menu-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle:hover{border-color:var(--ink)}

/* 抽屉 */
.drawer-backdrop{position:fixed;inset:0;background:rgba(11,35,31,.55);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:70}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(101%);transition:transform .26s ease;z-index:80;
  padding:22px 22px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;font-size:18px;line-height:1;color:var(--text-2)}
.drawer-close:hover{border-color:var(--ink);color:var(--ink)}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--text-2);margin:14px 0 4px}
.drawer-link{display:flex;align-items:center;gap:8px;padding:13px 2px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--text)}
.drawer-link:hover{color:var(--brand)}
.drawer-link.is-active{color:var(--brand)}
.drawer-link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid)}
body.no-scroll{overflow:hidden}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:72px 0 80px}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;opacity:.62}
.hero-mask{position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,35,31,.96) 0%,rgba(11,35,31,.9) 44%,rgba(11,35,31,.74) 100%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.badge-acid{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 13px;margin-bottom:20px;
  border-radius:999px;background:rgba(200,241,105,.14);border:1px solid rgba(200,241,105,.38);
  color:var(--acid);font-size:13px;font-weight:600;
}
.hero h1{font-size:clamp(28px,4vw,48px);line-height:1.25;letter-spacing:-.01em;color:#fff}
.hero-sub{margin:16px 0 0;font-size:17px;line-height:1.7;color:rgba(255,255,255,.84);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{
  font-size:13px;color:rgba(255,255,255,.76);
  border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:5px 13px;
}
.hero-panel{border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow-2);background:rgba(11,35,31,.6)}
.hero-panel img{width:100%;height:300px;object-fit:cover}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.16)}
.stat{padding:14px 10px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.stat:last-child{border-right:0}
.stat strong{display:block;font-size:22px;line-height:1.25;color:var(--acid);font-weight:800}
.stat span{font-size:12px;color:rgba(255,255,255,.7)}

/* 板块通用 */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);line-height:1.35}
.section-head h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;border-radius:2px;background:var(--acid)}
.section-head p{margin:12px 0 0;font-size:15px;color:var(--text-2);max-width:48em}
.h2-mark{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);line-height:1.35}
.h2-mark::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;border-radius:2px;background:var(--acid)}
.link-more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.link-more:hover{color:var(--ink)}
.sec-ladder{background:var(--paper)}
.sec-compare{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-news{background:var(--paper);border-top:1px solid var(--line)}
.sec-faq{background:var(--card);border-top:1px solid var(--line)}
.sec-consult{background:var(--paper);border-top:1px solid var(--line)}

/* 阶梯 */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;align-items:end}
.ladder-card{
  display:flex;flex-direction:column;gap:12px;
  border-radius:var(--r-lg);border:1px solid var(--line);background:var(--card);
  padding:24px 22px;transition:transform .2s ease,box-shadow .2s ease;
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.lv1{min-height:236px}
.lv2{min-height:280px;background:#EAF6F2;border-color:#D2E8DF}
.lv3{min-height:322px;background:var(--ink-2);border-color:var(--ink-2)}
.lv4{min-height:364px;background:var(--ink);border-color:var(--ink)}
.lv-num{font-size:34px;font-weight:800;line-height:1;letter-spacing:-.02em;color:var(--brand)}
.lv3 .lv-num,.lv4 .lv-num{color:var(--acid)}
.ladder-card h3{font-size:18px;line-height:1.45}
.lv3 h3,.lv4 h3{color:#fff}
.ladder-card p{font-size:14px;line-height:1.75;color:var(--text-2)}
.lv3 p,.lv4 p{color:rgba(255,255,255,.76)}
.ladder-card ul{display:flex;flex-direction:column;gap:6px;font-size:13.5px;color:var(--text-2)}
.ladder-card ul li{position:relative;padding-left:14px}
.ladder-card ul li::before{content:"";position:absolute;left:0;top:.7em;width:5px;height:5px;border-radius:50%;background:var(--mint)}
.lv3 ul,.lv4 ul{color:rgba(255,255,255,.74)}
.lv3 ul li::before,.lv4 ul li::before{background:var(--acid)}
.ladder-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.ladder-link:hover{color:var(--ink)}
.lv3 .ladder-link,.lv4 .ladder-link{color:var(--acid)}
.lv3 .ladder-link:hover,.lv4 .ladder-link:hover{color:#fff}

/* 对比表 */
.compare-wrap{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);overflow-x:auto;box-shadow:var(--shadow-1)}
.compare-table{width:100%;min-width:760px;border-collapse:collapse;font-size:15px}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}
.compare-table thead th{font-size:14px;font-weight:700;background:#FBF9F3;color:var(--text)}
.compare-table thead th:not(:first-child){text-align:center}
.compare-table td:not(:first-child){text-align:center;color:var(--text-2)}
.compare-table th:first-child,.compare-table td:first-child{color:var(--text-2);width:22%}
.compare-table tbody tr:hover{background:#FBFAF5}
.compare-table tbody tr:last-child td{border-bottom:0}
.col-rec{background:var(--ink);color:#fff;border-left:1px solid rgba(200,241,105,.6);border-right:1px solid rgba(200,241,105,.6)}
.compare-table thead th.col-rec,.compare-table td.col-rec{color:#fff;background:var(--ink)}
.compare-table td.col-rec{color:rgba(255,255,255,.86)}
.compare-table tbody tr:hover td.col-rec{background:var(--ink)}
.badge-rec{display:block;width:fit-content;margin:0 auto 8px;padding:2px 10px;border-radius:999px;background:var(--acid);color:var(--ink);font-size:12px;font-weight:700}
.na{color:#B9B6AA;font-weight:700}

/* 倒计时横幅 */
.banner-countdown{background:var(--ink);color:#fff;padding:28px 0}
.banner-inner{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.countdown{display:flex;align-items:center;gap:6px}
.cd-block{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:54px;height:54px;padding:0 10px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);color:var(--acid);
  font-size:24px;font-weight:800;letter-spacing:.02em;
}
.cd-sep{font-weight:700;color:rgba(255,255,255,.5)}
.banner-text{flex:1 1 320px;margin:0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.8)}

/* 资讯卡片 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.news-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6D2C4}
.news-cover{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:linear-gradient(135deg,var(--mint),var(--ink-2));position:relative}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,35,31,0) 55%,rgba(11,35,31,.24) 100%)}
.news-chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:rgba(15,107,87,.1);color:var(--brand);font-size:12px;font-weight:600;width:fit-content}
.news-title{font-size:18px;line-height:1.45;font-weight:600}
.news-title a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .news-title a{color:var(--brand)}
.news-excerpt{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2)}
.news-arrow{color:var(--brand);font-weight:700}
.empty-state{
  grid-column:1/-1;text-align:center;padding:48px 24px;
  border:1px dashed var(--line);border-radius:var(--r-md);background:var(--card);color:var(--text-2);
}
.empty-state .empty-icon{
  width:46px;height:46px;margin:0 auto 14px;border-radius:50%;
  border:2px solid var(--mint);position:relative;
}
.empty-state .empty-icon::after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-4px 0 0 -4px;border-radius:50%;background:var(--acid)}
.empty-state p{margin:0 0 16px;font-size:15px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:52px;align-items:start}
.faq-intro p{margin:14px 0 0;font-size:15px;color:var(--text-2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:18px;font-weight:600;line-height:1.5;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--brand);transition:transform .2s ease;flex:0 0 auto}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 0 18px;margin:0;font-size:15px;line-height:1.8;color:var(--text-2);max-width:720px}

/* 咨询表单 */
.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.consult-points{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.consult-points li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2)}
.consult-points li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:50%;background:var(--mint)}
.consult-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-1)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,107,87,.14)}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip-radio{position:relative}
.chip-radio input{position:absolute;width:0;height:0;opacity:0}
.chip-radio span{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--text-2);cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip-radio span:hover{border-color:var(--ink);color:var(--text)}
.chip-radio input:checked + span{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip-radio input:focus-visible + span{outline:3px solid var(--brand);outline-offset:2px}
.form-alert{display:none;border-radius:var(--r-md);padding:12px 16px;font-size:14px;line-height:1.7;margin-bottom:18px;border:1px solid transparent}
.form-alert.is-ok{display:block;border-color:var(--brand);background:rgba(127,209,193,.16);color:#0B4E41}
.form-alert.is-err{display:block;border-color:var(--clay);background:rgba(232,98,60,.1);color:#9A3A20}
.form-note{font-size:13px;color:var(--text-2);margin:14px 0 0}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:30em}
.logo-footer .logo-text{color:#fff}
.logo-footer .logo-mark{border-color:var(--acid)}
.logo-footer .logo-mark::before{border-color:rgba(200,241,105,.5)}
.logo-footer .logo-mark::after{border-color:var(--ink)}
.logo-footer:hover .logo-text{color:var(--acid)}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:rgba(255,255,255,.72)}
.site-footer li a:hover{color:var(--acid)}
.footer-text{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8}
.footer-bottom{padding:20px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}

/* 响应式 */
@media (max-width:1279px){
  .compare-table{min-width:700px}
  .ladder{gap:16px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-panel img{height:260px}
  .ladder{grid-template-columns:repeat(2,1fr);align-items:stretch}
  .lv1,.lv2,.lv3,.lv4{min-height:0}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .consult-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  body{font-size:15.5px;line-height:1.8}
  .section{padding:48px 0}
  .hero{padding:44px 0 52px}
  .hero-actions .btn{width:100%}
  .hero-panel img{height:210px}
  .stat strong{font-size:19px}
  .chip-nav{display:none}
  .nav-text-link{display:none}
  .menu-toggle{display:inline-flex}
  .nav-top{height:64px}
  .ladder{grid-template-columns:1fr;gap:14px;position:relative;padding-left:22px;align-items:stretch}
  .ladder::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--line)}
  .ladder-card{position:relative;padding:20px 18px}
  .ladder-card::before{content:"";position:absolute;left:-21px;top:26px;width:11px;height:11px;border-radius:50%;background:var(--acid);border:2px solid var(--ink)}
  .banner-inner{flex-direction:column;align-items:stretch;gap:18px}
  .cd-block{min-width:46px;height:46px;font-size:20px}
  .banner-inner .btn{width:100%}
  .form-row{grid-template-columns:1fr}
  .consult-form{padding:22px 18px}
  .faq-item summary{font-size:16px;padding:16px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:480px){
  .hero h1{font-size:26px}
  .section-head h2,.h2-mark{font-size:22px}
  .btn{width:100%;padding:0 20px}
  .btn-sm{width:auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start}
  .hero-tags li{font-size:12px}
}

/* roulang page: article */
:root{
  --ink:#0B231F;--ink-2:#103A32;--brand:#0F6B57;--acid:#C8F169;--clay:#E8623C;
  --paper:#F6F4EE;--card:#FFFFFF;--line:#E2DFD5;--text:#16211F;--text-2:#5B6B67;--mint:#7FD1C1;
  --r-lg:18px;--r-md:12px;--r-sm:8px;
  --shadow-1:0 1px 2px rgba(11,35,31,.05),0 10px 24px -16px rgba(11,35,31,.22);
  --shadow-2:0 18px 40px -22px rgba(11,35,31,.34);
  --container:1180px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.85;letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--ink-2);}
button{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.2em;}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:var(--acid);color:var(--ink);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--acid);color:var(--ink);
  padding:10px 16px;border-radius:0 0 var(--r-sm) 0;font-weight:700;z-index:200;}
.skip-link:focus{left:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--acid);color:var(--ink);}
.btn-primary:hover{background:#D7F98A;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost-light:hover{background:var(--acid);border-color:var(--acid);color:var(--ink);transform:translateY(-2px);}
.btn-ghost-light:active{transform:translateY(0);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 头部与导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease;}
.site-header.is-stuck{background:rgba(246,244,238,.94);box-shadow:var(--shadow-1);}
.header-top{background:var(--ink);}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo:hover{color:inherit;}
.logo-mark{position:relative;display:inline-block;width:24px;height:24px;border-radius:999px;border:2px solid var(--acid);flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;right:-4px;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:999px;background:var(--acid);}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.01em;color:#fff;line-height:1.2;}
.header-actions{display:flex;align-items:center;gap:14px;}
.link-quiet{font-size:14px;color:rgba(255,255,255,.78);}
.link-quiet:hover{color:var(--acid);}
.nav-toggle{display:none;width:40px;height:40px;padding:0;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:background .18s ease;}
.nav-toggle:hover{background:rgba(255,255,255,.1);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.header-nav{padding:14px 0;}
.chip-nav{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.chip-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--text);
  font-size:14px;font-weight:500;white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#EFEDE5;color:var(--text);text-decoration:none;}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip.is-active::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--acid);}

/* 移动端抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:100;background:rgba(11,35,31,.52);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--card);
  padding:22px;overflow-y:auto;transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-2);}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px;}
.drawer-title{font-size:16px;font-weight:800;color:var(--ink);}
.drawer-close{width:34px;height:34px;border-radius:999px;border:1px solid var(--line);background:var(--paper);
  font-size:18px;line-height:1;cursor:pointer;}
.drawer-close:hover{background:#EFEDE5;}
.drawer-group{font-size:12px;color:var(--text-2);letter-spacing:.08em;margin-top:8px;}
.drawer-link{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-radius:var(--r-md);
  border:1px solid var(--line);color:var(--text);font-size:15px;font-weight:600;background:var(--card);}
.drawer-link:hover{background:#EFEDE5;color:var(--text);}
.drawer-link.is-active{background:var(--ink);border-color:var(--ink);color:#fff;}
.drawer-cta{margin-top:10px;}

/* 阅读进度 */
.reading-progress{position:fixed;left:0;top:0;height:3px;width:0;background:var(--acid);z-index:90;transition:width .08s linear;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:22px 0 0;font-size:13px;color:var(--text-2);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C9C5B8;}
.breadcrumb .current{max-width:min(420px,60%);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);}

/* ============ 文章头部 ============ */
.article-wrap{max-width:760px;margin:0 auto;}
.article-head{padding:26px 0 0;}
.cat-chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(15,107,87,.1);border:1px solid rgba(15,107,87,.18);color:var(--brand);font-size:13px;font-weight:600;}
.article-title{margin:16px 0 0;font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--text-2);}
.article-meta .dot{width:4px;height:4px;border-radius:999px;background:#CFCBBD;}

/* ============ 正文排版 ============ */
.article-body{padding:34px 0 0;font-size:16px;line-height:1.85;color:var(--text);}
.article-body > *:first-child{margin-top:0;}
.article-body h2{position:relative;margin:56px 0 16px;padding-left:16px;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;scroll-margin-top:130px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.42em;width:4px;height:22px;border-radius:2px;background:var(--acid);}
.article-body h3{margin:32px 0 12px;font-size:19px;font-weight:600;line-height:1.45;scroll-margin-top:130px;}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:700;line-height:1.5;}
.article-body p{margin:0 0 1.2em;overflow-wrap:anywhere;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.35em;}
.article-body li{margin-bottom:.5em;line-height:1.9;overflow-wrap:anywhere;}
.article-body strong{font-weight:700;color:var(--ink);}
.article-body img{border-radius:var(--r-md);margin:12px auto;max-width:100%;height:auto;box-shadow:var(--shadow-1);}
.article-body figure{margin:22px 0;}
.article-body figcaption{margin-top:8px;font-size:13px;color:var(--text-2);text-align:center;}
.article-body blockquote{margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:var(--paper);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--text-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{display:block;width:100%;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:var(--paper);font-weight:700;white-space:nowrap;}
.article-body code{background:#EFEDE5;padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body pre{background:var(--ink);color:#E6EFEC;padding:16px;border-radius:var(--r-md);overflow-x:auto;max-width:100%;}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{margin:32px 0;border:0;border-top:1px solid var(--line);}

.empty-state{margin:8px 0 0;padding:48px 24px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--card);text-align:center;}
.empty-title{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.empty-desc{font-size:14px;line-height:1.8;color:var(--text-2);max-width:420px;margin:0 auto 20px;}

/* ============ 板块与卡片 ============ */
.section{padding:80px 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:28px;}
.section-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;}
.section-title::before{content:"";position:absolute;left:0;top:.42em;width:4px;height:22px;border-radius:2px;background:var(--acid);}
.section-more{font-size:14px;font-weight:600;color:var(--brand);}
.section-more:hover{color:var(--ink);}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6D2C6;}
.post-thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--mint),var(--ink-2));overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:20px;}
.post-cat{align-self:flex-start;padding:3px 10px;border-radius:999px;background:rgba(15,107,87,.1);color:var(--brand);font-size:12px;font-weight:600;}
.post-title{font-size:18px;font-weight:600;line-height:1.45;color:var(--text);transition:color .18s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-title{color:var(--brand);}
.post-desc{font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;
  padding-top:10px;border-top:1px solid var(--line);font-size:13px;color:var(--text-2);}
.post-arrow{font-weight:700;color:var(--brand);}

/* CTA 横幅 */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--ink);border-radius:var(--r-lg);padding:36px 40px;color:#fff;}
.cta-copy{max-width:560px;}
.cta-band h2{margin-bottom:8px;font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.4;color:#fff;}
.cta-band p{margin:0;font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.74);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 返回入口 */
.back-links{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;padding:40px 0 0;}
.back-link{display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 20px;border-radius:999px;
  border:1px solid var(--line);background:var(--card);color:var(--text);font-size:14px;font-weight:600;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;}
.back-link:hover{border-color:var(--ink);color:var(--brand);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{margin-top:88px;background:var(--ink);color:rgba(255,255,255,.72);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;
  padding-top:56px;padding-bottom:44px;border-top:1px solid rgba(255,255,255,.12);}
.logo-footer .logo-text{font-size:19px;}
.footer-brand p{margin-top:16px;max-width:340px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col h3{margin-bottom:14px;font-size:15px;font-weight:700;color:#fff;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--acid);}
.footer-text{font-size:14px;color:rgba(255,255,255,.66);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom-inner{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding-top:18px;padding-bottom:18px;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:1023px){
  .section{padding:64px 0 0;}
  .card-grid{gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 16px;}
  .section{padding:48px 0 0;}
  .header-top-inner{min-height:62px;}
  .header-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .logo-text{font-size:18px;}
  .cta-band{padding:28px 22px;border-radius:var(--r-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .article-body h2{margin-top:44px;}
  .back-links{padding-top:32px;}
  .back-link{flex:1 1 100%;justify-content:center;}
  .site-footer{margin-top:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding-top:40px;padding-bottom:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .link-quiet{display:none;}
  .article-title{font-size:26px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom-inner{flex-direction:column;gap:6px;}
  .breadcrumb .current{max-width:100%;white-space:normal;}
}

/* roulang page: category1 */
:root{
  --ink:#0B231F;
  --ink-2:#103A32;
  --brand:#0F6B57;
  --acid:#C8F169;
  --clay:#E8623C;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DFD5;
  --text:#16211F;
  --text-2:#5B6B67;
  --mint:#7FD1C1;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 1px 2px rgba(11,35,31,.05),0 10px 24px -16px rgba(11,35,31,.22);
  --shadow-2:0 18px 40px -22px rgba(11,35,31,.34);
  --w:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35}
h3{font-size:19px;font-weight:600;line-height:1.45}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.container{max-width:var(--w);margin:0 auto;padding:0 24px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff}

/* 顶部通告条 */
.topbar{background:var(--ink);color:#fff;font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px}
.topbar-dot{width:8px;height:8px;border-radius:999px;background:var(--clay);flex:0 0 auto}
.topbar-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.86)}
.topbar-link{color:rgba(255,255,255,.9);text-decoration:none;white-space:nowrap}
.topbar-link:hover{color:var(--acid)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--card);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{background:rgba(246,244,238,.94);box-shadow:var(--shadow-1);backdrop-filter:saturate(120%)}
.header-main-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:26px;height:26px;border-radius:50%;position:relative;flex:0 0 auto;
  border:2px solid var(--brand);
}
.logo-mark::after{
  content:"";position:absolute;right:-3px;top:-3px;width:10px;height:10px;border-radius:50%;
  background:var(--acid);border:2px solid var(--card);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.header-actions{display:flex;align-items:center;gap:16px}
.header-link{font-size:14px;color:var(--text-2)}
.header-link:hover{color:var(--brand)}
.menu-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--r-sm);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.header-chips{padding:0 0 14px}
.chip-nav{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:2px}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  position:relative;display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border:1px solid var(--line);border-radius:999px;
  font-size:14px;color:var(--text-2);white-space:nowrap;background:var(--card);
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#EFEDE5;color:var(--ink)}
.chip.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid);flex:0 0 auto}
.chip.is-active:hover{color:#fff;background:var(--ink-2)}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:130;
  background:var(--card);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .26s ease;
  padding:22px 20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:var(--r-sm);font-size:18px;line-height:1;color:var(--text-2)}
.drawer-close:hover{background:#EFEDE5;color:var(--ink)}
.drawer-group-title{font-size:13px;color:var(--text-2);margin:16px 0 8px}
.drawer-list li+li{margin-top:8px}
.drawer-list a{
  display:flex;align-items:center;gap:10px;padding:11px 14px;border:1px solid var(--line);
  border-radius:var(--r-md);color:var(--text);font-size:15px;background:var(--paper);
}
.drawer-list a:hover{background:#EFEDE5}
.drawer-list a.is-active{background:var(--ink);color:#fff;border-color:var(--ink)}
.drawer-list a.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,35,31,.5);z-index:120;
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);font-weight:700;font-size:15px;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-acid{background:var(--acid);color:var(--ink);border:1px solid var(--acid)}
.btn-acid:hover{background:#D7F98A;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-acid:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-ghost:active{transform:translateY(0);box-shadow:none}
.btn-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-light:hover{background:var(--acid);color:var(--ink);border-color:var(--acid)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}

/* 页面头部条 */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,35,31,.94) 0%,rgba(11,35,31,.86) 48%,rgba(11,35,31,.72) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:52px 24px 56px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--acid)}
.crumb span{color:rgba(255,255,255,.5)}
.page-hero h1{max-width:900px;color:#fff}
.page-hero-sub{max-width:720px;margin-top:16px;font-size:17px;color:rgba(255,255,255,.86)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--acid);display:block}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* 板块 */
.section{padding:88px 0}
.section--card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--ink{background:var(--ink);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--acid);
}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:660px}
.section--ink .section-head p{color:rgba(255,255,255,.72)}
.section-link{font-size:14px;color:var(--brand);white-space:nowrap}
.section-link:hover{color:var(--ink)}

/* 左图文 + 右要点 */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:start}
.split-media{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:linear-gradient(160deg,var(--mint),var(--ink-2));box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media figcaption{padding:12px 16px;font-size:13px;color:var(--text-2);background:var(--card);border-top:1px solid var(--line)}
.split-body>p{color:var(--text-2);margin-bottom:22px}
.point-list li{display:flex;gap:16px;padding:16px 0;border-top:1px solid var(--line)}
.point-list li:first-child{border-top:0;padding-top:0}
.point-idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:var(--r-sm);
  background:var(--acid);color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.point-list h3{margin-bottom:4px}
.point-list p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* 卡片墙 */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px;display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D5D2C6}
.card-icon{
  width:42px;height:42px;border-radius:var(--r-sm);background:var(--paper);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
}
.card-icon svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.card h3{max-height:2.9em;overflow:hidden}
.card p{font-size:14.5px;color:var(--text-2);line-height:1.78}
.card-tag{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;background:rgba(127,209,193,.22);color:var(--ink-2);
}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);padding-top:12px;border-top:1px solid var(--line)}
.card-meta a{font-weight:600}

/* 准备清单 */
.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:20px}
.check-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.check-item .check-top{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.check-item .check-top span:first-child{
  width:26px;height:26px;border-radius:999px;background:var(--ink);color:var(--acid);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.check-item h3{font-size:17px}
.check-item p{font-size:14.5px;color:var(--text-2)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.4fr);gap:44px;align-items:start}
.faq-intro p{color:var(--text-2);font-size:15px;margin-top:14px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:17px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border:1px solid var(--line);border-radius:999px;
  display:flex;align-items:center;justify-content:center;font-weight:400;color:var(--brand);
  transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--acid);color:var(--ink);border-color:var(--acid)}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 0 18px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:640px}

/* CTA 横幅 */
.cta-banner{background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:36px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-banner h2{color:#fff;position:relative;padding-left:18px}
.cta-banner h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:22px;border-radius:2px;background:var(--acid)}
.cta-banner p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 表单 */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--shadow-1)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);
  padding:0 14px;height:46px;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--card);box-shadow:0 0 0 3px rgba(15,107,87,.14);
}
.field.has-error input,.field.has-error textarea,.field.has-error select{border-color:var(--clay);background:#FDF3EF}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip-radio{position:relative}
.chip-radio input{position:absolute;opacity:0;width:1px;height:1px}
.chip-radio span{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border:1px solid var(--line);
  border-radius:999px;font-size:14px;color:var(--text-2);background:var(--paper);cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip-radio input:checked+span{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip-radio input:focus-visible+span{outline:3px solid var(--brand);outline-offset:2px}
.chip-radio span:hover{background:#EFEDE5;color:var(--ink)}
.form-actions{margin-top:24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-hint{font-size:13px;color:var(--text-2)}
.form-alert{display:none;margin-top:18px;padding:12px 16px;border-radius:var(--r-md);font-size:14px}
.form-alert.is-show{display:block}
.form-alert.is-error{background:#FCEDE7;border:1px solid var(--clay);color:#8A3A20}
.form-alert.is-success{background:rgba(127,209,193,.22);border:1px solid var(--brand);color:var(--ink-2)}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-top:64px;padding-bottom:44px;border-top:1px solid rgba(255,255,255,.12);
}
.logo-footer{color:#fff}
.logo-footer:hover{color:#fff}
.logo-footer .logo-mark{border-color:var(--mint)}
.logo-footer .logo-mark::after{border-color:var(--ink)}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;max-width:330px;color:rgba(255,255,255,.7)}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:600}
.footer-col li+li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--acid)}
.footer-text{font-size:14px;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12)}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;padding-bottom:22px;font-size:13px;color:rgba(255,255,255,.58)}

@media (max-width:1023px){
  .header-main-inner{min-height:64px}
  .split{grid-template-columns:1fr;gap:30px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .section{padding:64px 0}
  .header-link{display:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .menu-toggle{display:flex}
  .header-actions .btn{display:none}
  .chip-nav{padding-bottom:4px}
  .section{padding:48px 0}
  .page-hero-inner{padding:40px 16px 44px}
  .page-hero-sub{font-size:15.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-banner{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .split-media img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:480px){
  h1{font-size:26px}
  .btn{width:100%;padding:0 20px}
  .header-actions{gap:10px}
  .footer-grid{grid-template-columns:1fr;padding-top:48px}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
  --ink:#0B231F;
  --ink-2:#103A32;
  --brand:#0F6B57;
  --acid:#C8F169;
  --clay:#E8623C;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DFD5;
  --text:#16211F;
  --text-2:#5B6B67;
  --mint:#7FD1C1;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 1px 2px rgba(11,35,31,.05),0 10px 24px -16px rgba(11,35,31,.22);
  --shadow-2:0 18px 40px -22px rgba(11,35,31,.34);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--ink)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
p+p{margin-top:1.2em}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.no-scroll{overflow:hidden}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--acid);color:var(--ink);font-weight:700;
  padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0}
.tabular{font-variant-numeric:tabular-nums}

/* 顶部通告条 */
.topbar{background:var(--ink);color:rgba(255,255,255,.9);font-size:13px;height:36px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;gap:10px;justify-content:space-between;width:100%}
.topbar-left{display:flex;align-items:center;gap:9px;min-width:0}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--clay);flex:none}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:rgba(255,255,255,.9);text-decoration:none;flex:none;transition:color .18s ease}
.topbar-link:hover{color:var(--acid)}

/* 导航 */
.site-header{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  position:sticky;
  top:0;
  z-index:100;
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);background:rgba(246,244,238,.92);backdrop-filter:saturate(140%)}
.header-main{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;padding-top:10px;padding-bottom:10px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.logo-mark{
  position:relative;width:26px;height:26px;border-radius:50%;
  border:2px solid var(--brand);flex:none;display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;top:-3px;right:-3px;width:9px;height:9px;
  border-radius:50%;background:var(--acid);border:1px solid var(--ink);
}
.logo-text{font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:16px}
.header-link{font-size:14px;color:var(--text-2);font-weight:600;transition:color .18s ease}
.header-link:hover{color:var(--brand)}
.chip-nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding-bottom:12px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:999px;border:1px solid var(--line);background:var(--card);
  font-size:14px;color:var(--text);font-weight:600;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#EFEDE5;color:var(--ink)}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.chip.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid);flex:none}
.header-chips{overflow:hidden}
.site-header.is-scrolled .chip{background:#fff}
.site-header.is-scrolled .chip.is-active{background:var(--ink)}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--card);
  border-radius:var(--r-sm);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  transition:background-color .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:#EFEDE5}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--card);
  transform:translateX(102%);transition:transform .26s ease;z-index:150;
  box-shadow:var(--shadow-2);padding:20px 20px 32px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:800;color:var(--ink)}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--paper);
  cursor:pointer;font-size:18px;line-height:1;color:var(--ink);
}
.drawer-close:hover{background:#EFEDE5}
.drawer-group{margin-top:22px}
.drawer-group-title{font-size:13px;color:var(--text-2);font-weight:700;letter-spacing:.04em;margin-bottom:10px}
.drawer-list{display:flex;flex-direction:column;gap:8px}
.drawer-item{
  display:block;padding:12px 14px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--paper);color:var(--text);font-weight:600;font-size:14px;
}
.drawer-item:hover{background:#EFEDE5}
.drawer-item.is-active{background:var(--ink);border-color:var(--ink);color:#fff}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(11,35,31,.45);opacity:0;pointer-events:none;
  transition:opacity .26s ease;z-index:140;
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}

/* 通用按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;
  font-weight:700;font-size:15px;cursor:pointer;text-decoration:none;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--acid);color:var(--ink)}
.btn-primary:hover{background:#D7F98A;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-secondary{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-secondary:hover{background:var(--ink);color:#fff}
.btn-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:var(--acid);border-color:var(--acid);color:var(--ink)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

/* 分类页头部条 */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.page-hero-media{position:absolute;inset:0;z-index:0}
.page-hero-media img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:.62}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(120deg,rgba(11,35,31,.94) 0%,rgba(11,35,31,.78) 55%,rgba(11,35,31,.66) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:860px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--acid)}
.breadcrumb .sep{opacity:.55}
.page-hero h1{
  font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.01em;color:#fff;
}
.page-hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:720px}
.page-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.9);
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid)}

/* 板块 */
.section{padding:88px 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--ink-2);color:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;color:var(--ink);
}
.section-title::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;border-radius:2px;background:var(--acid);
}
.section-dark .section-title{color:#fff}
.section-desc{margin-top:16px;font-size:16px;line-height:1.85;color:var(--text-2)}
.section-dark .section-desc{color:rgba(255,255,255,.78)}

/* 编号步骤 + 侧边提示卡 */
.steps-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);gap:32px;align-items:start}
.step-list{display:flex;flex-direction:column;gap:16px}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6D2C6}
.step-num{
  font-size:30px;font-weight:800;line-height:1;color:var(--ink);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step-num::after{content:"";display:block;width:26px;height:3px;border-radius:2px;background:var(--acid);margin-top:10px}
.step-title{font-size:19px;font-weight:600;line-height:1.45;color:var(--ink)}
.step-text{margin-top:10px;font-size:15px;line-height:1.8;color:var(--text-2)}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-sm);
  background:var(--paper);border:1px solid var(--line);font-size:13px;color:var(--text-2);
}
.tag-acid{background:rgba(200,241,105,.28);border-color:#B7DE5E;color:var(--ink);font-weight:600}
.tag-clay{background:rgba(232,98,60,.1);border-color:rgba(232,98,60,.35);color:#B8441F;font-weight:600}

.side-cards{display:flex;flex-direction:column;gap:16px;position:sticky;top:120px}
.tip-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  box-shadow:var(--shadow-1);
}
.tip-card.is-ink{background:var(--ink);border-color:var(--ink);color:#fff;box-shadow:var(--shadow-2)}
.tip-card.is-ink .tip-card-title{color:#fff}
.tip-card.is-ink p,.tip-card.is-ink li{color:rgba(255,255,255,.82)}
.tip-icon{
  width:38px;height:38px;border-radius:var(--r-sm);background:var(--mint);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
  font-weight:800;color:var(--ink);font-size:15px;
}
.tip-card.is-ink .tip-icon{background:var(--acid)}
.tip-card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink)}
.tip-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}
.tip-list{margin-top:12px;display:flex;flex-direction:column;gap:9px}
.tip-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--text-2)}
.tip-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.tip-card.is-ink .tip-list li::before{background:var(--acid)}

/* 情形卡片 */
.situation-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.situation-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.situation-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D6D2C6}
.situation-index{
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.situation-card h3{margin-top:8px;font-size:18px;font-weight:600;line-height:1.45;color:var(--ink)}
.situation-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--text-2)}

/* 数据条 */
.stat-strip{background:var(--ink);color:#fff;padding:40px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-item{border-left:2px solid rgba(255,255,255,.14);padding-left:18px}
.stat-item:first-child{border-left-color:var(--acid)}
.stat-value{
  font-size:26px;font-weight:800;color:var(--acid);line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-label{margin-top:6px;font-size:14px;color:rgba(255,255,255,.76);line-height:1.6}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.5fr);gap:48px;align-items:start}
.faq-intro p{margin-top:16px;font-size:15px;color:var(--text-2)}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .mark{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  color:var(--ink);transition:transform .2s ease,background-color .2s ease;
}
.faq-item[open] summary .mark{transform:rotate(45deg);background:var(--acid);border-color:var(--acid)}
.faq-a{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:660px}

/* 咨询表单 */
.consult-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.form-field{display:flex;flex-direction:column;gap:8px}
.form-field.full{grid-column:1 / -1}
.form-label{font-size:13px;color:var(--text-2);font-weight:600}
.input,.select,.textarea{
  width:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 14px;height:46px;font-size:15px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.textarea{height:auto;min-height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.input:focus,.select:focus,.textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,107,87,.14);
}
.input:hover,.select:hover,.textarea:hover{border-color:#CFCBBE}
.chip-radio-group{display:flex;flex-wrap:wrap;gap:10px}
.chip-radio{position:relative;display:inline-flex}
.chip-radio input{position:absolute;opacity:0;width:1px;height:1px}
.chip-radio span{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--paper);font-size:14px;font-weight:600;color:var(--text);
  cursor:pointer;transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.chip-radio span:hover{background:#EFEDE5}
.chip-radio input:checked+span{background:var(--ink);border-color:var(--ink);color:#fff}
.chip-radio input:focus-visible+span{outline:3px solid var(--brand);outline-offset:2px}
.form-actions{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:4px}
.form-note{font-size:13px;color:var(--text-2)}
.form-alert{
  grid-column:1 / -1;display:none;border-radius:var(--r-md);padding:12px 16px;font-size:14px;line-height:1.7;
}
.form-alert.is-success{display:block;background:rgba(127,209,193,.22);border:1px solid var(--brand);color:var(--ink)}
.form-alert.is-error{display:block;background:rgba(232,98,60,.1);border:1px solid var(--clay);color:#B8441F}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;
  padding-top:64px;padding-bottom:48px;border-top:1px solid rgba(255,255,255,.12);
}
.logo-footer .logo-text{color:#fff}
.logo-footer .logo-mark{border-color:var(--mint)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:330px}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-text{font-size:14px;color:rgba(255,255,255,.72);line-height:1.6}
.footer-col a:hover{color:var(--acid);text-decoration:none}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}

/* 响应式 */
@media (max-width:1279px){
  .steps-layout{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .page-hero-inner{padding:56px 0 52px}
  .steps-layout{grid-template-columns:1fr;gap:28px}
  .side-cards{position:static;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .stat-item:nth-child(3){border-left-color:rgba(255,255,255,.14)}
  .situation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .header-main{min-height:58px}
  .header-actions .btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-chips{overflow-x:auto;overflow-y:hidden;scrollbar-width:none}
  .header-chips::-webkit-scrollbar{display:none}
  .chip-nav{flex-wrap:nowrap;padding-bottom:10px}
  .page-hero-inner{padding:44px 0 40px}
  .page-hero-sub{font-size:15.5px}
  .page-hero-actions .btn{width:100%}
  .step-item{grid-template-columns:1fr;gap:14px;padding:20px}
  .step-num{font-size:24px}
  .step-num::after{width:22px;height:3px;margin-top:8px}
  .situation-grid{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr;gap:18px}
  .stat-item{border-left:none;border-top:1px solid rgba(255,255,255,.14);padding-left:0;padding-top:14px}
  .stat-item:first-child{border-top:2px solid var(--acid);padding-top:16px}
  .form-grid{grid-template-columns:1fr}
  .consult-card{padding:22px}
  .form-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;padding-top:44px;padding-bottom:34px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .footer-grid{grid-template-columns:1fr}
  .chip{height:32px;padding:0 13px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --ink:#0B231F;
  --ink-2:#103A32;
  --brand:#0F6B57;
  --acid:#C8F169;
  --clay:#E8623C;
  --paper:#F6F4EE;
  --card:#FFFFFF;
  --line:#E2DFD5;
  --text:#16211F;
  --text-2:#5B6B67;
  --mint:#7FD1C1;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:8px;
  --shadow-1:0 1px 2px rgba(11,35,31,.05),0 10px 24px -16px rgba(11,35,31,.22);
  --shadow-2:0 18px 40px -22px rgba(11,35,31,.34);
  --container:1180px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",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);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--ink-2);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--acid);color:var(--ink);font-weight:700;
  padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;}

/* 顶部通告条 */
.topbar{
  background:var(--ink);color:#fff;font-size:13px;line-height:1;
  display:flex;align-items:center;min-height:36px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--clay);flex:0 0 auto;}
.topbar a{color:rgba(255,255,255,.86);font-weight:600;text-decoration:none;}
.topbar a:hover{color:var(--acid);}

/* 头部与导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{background:rgba(246,244,238,.94);box-shadow:var(--shadow-1);}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:16px;padding-bottom:14px;
}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{position:relative;width:26px;height:26px;border-radius:50%;border:2px solid var(--brand);flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--acid);}
.logo-text{font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.header-actions{display:flex;align-items:center;gap:18px;}
.text-link{font-size:14px;font-weight:600;color:var(--ink-2);}
.text-link:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:42px;height:38px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--card);cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{background:#EFEDE5;}
.header-nav{padding-bottom:14px;}
.chip-nav{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 16px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
  font-size:14px;color:var(--text-2);
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{background:#EFEDE5;color:var(--ink);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.chip.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--acid);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--acid);color:var(--ink);}
.btn-primary:hover{background:#D7F98A;color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-outline-light:hover{background:var(--acid);border-color:var(--acid);color:var(--ink);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* 分类页头部条 */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(90deg,rgba(11,35,31,.95) 0%,rgba(11,35,31,.84) 52%,rgba(11,35,31,.68) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero-inner{position:relative;padding-top:68px;padding-bottom:60px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:var(--acid);}
.breadcrumb .current{color:#fff;}
.page-hero h1{
  font-size:clamp(28px,4vw,48px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  max-width:820px;
}
.page-hero-sub{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.86);max-width:700px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.92);
}

/* 通用板块 */
.section{padding:88px 0;}
.section.is-card{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-title{
  position:relative;padding-left:18px;
  font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:22px;border-radius:2px;background:var(--acid);
}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:720px;}
.section-body p{max-width:760px;margin-top:14px;color:var(--text);}

/* Z 字形图文 */
.zig{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;}
.zig + .zig{margin-top:72px;}
.zig-media{position:relative;}
.zig-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.zig-media::after{
  content:"";position:absolute;width:56px;height:56px;border-radius:var(--r-md);
  background:var(--acid);right:-16px;bottom:-16px;z-index:-1;
}
.zig-body h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.zig-body p{font-size:15.5px;color:var(--text-2);margin-bottom:16px;max-width:620px;}
.zig.is-reverse .zig-media{order:2;}
.bullet-list{display:grid;gap:12px;}
.bullet-list li{position:relative;padding-left:22px;font-size:15.5px;color:var(--text-2);}
.bullet-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:50%;background:var(--mint);}

/* 对照表 */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);overflow-x:auto;box-shadow:var(--shadow-1);
}
.data-table{width:100%;min-width:760px;border-collapse:collapse;}
.data-table th{
  background:var(--ink-2);color:#fff;font-size:14px;font-weight:600;
  text-align:left;padding:14px 18px;white-space:nowrap;
}
.data-table td{
  padding:15px 18px;border-top:1px solid var(--line);
  font-size:14.5px;color:var(--text);vertical-align:top;
}
.data-table tbody tr{transition:background .16s ease;}
.data-table tbody tr:hover{background:#FBFAF5;}
.data-table td.hint{color:var(--text-2);}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-sm);
  background:rgba(232,98,60,.1);border:1px solid rgba(232,98,60,.35);
  color:var(--clay);font-size:12.5px;font-weight:600;
}
.tag-soft{background:rgba(15,107,87,.08);border-color:rgba(15,107,87,.28);color:var(--brand);}
.table-note{margin-top:14px;font-size:13.5px;color:var(--text-2);}

/* 定义列表 */
.def-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 32px;margin-top:8px;}
.def-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;transition:transform .18s ease,box-shadow .18s ease;
}
.def-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);}
.def-item dt{font-size:16px;font-weight:700;color:var(--ink-2);}
.def-item dd{margin-top:8px;font-size:14.8px;color:var(--text-2);}

/* CTA 横幅 */
.cta-band{background:var(--ink);color:#fff;padding:40px 0;}
.cta-band-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between;}
.countdown{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.countdown .num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:52px;height:48px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  color:var(--acid);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;
}
.countdown .sep{color:var(--acid);font-weight:700;}
.cta-text{flex:1 1 320px;color:rgba(255,255,255,.86);font-size:15px;min-width:240px;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:56px;align-items:start;}
.faq-intro p{margin-top:16px;color:var(--text-2);font-size:15px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 44px 20px 0;font-size:18px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:6px;top:18px;
  font-size:22px;font-weight:400;color:var(--brand);
  transition:transform .2s ease;
}
.faq-item summary:hover{color:var(--brand);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 40px 22px 0;font-size:15px;line-height:1.8;color:var(--text-2);}

/* 表单 */
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field-wide{grid-column:1 / -1;}
.field label{font-size:13px;color:var(--text-2);font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:var(--r-md);background:var(--paper);
  font-size:15px;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#CFCBBE;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:var(--card);
  box-shadow:0 0 0 3px rgba(127,209,193,.35);
}
.form-tip{display:none;margin-top:20px;padding:12px 16px;border-radius:var(--r-md);font-size:14px;}
.form-tip.is-success{display:block;background:rgba(127,209,193,.22);border:1px solid var(--brand);color:var(--ink-2);}
.form-tip.is-error{display:block;background:rgba(232,98,60,.1);border:1px solid var(--clay);color:#8E3419;}
.form-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:26px;}
.form-note{font-size:13.5px;color:var(--text-2);}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.82);padding-top:64px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12);
}
.logo-footer .logo-mark{border-color:var(--mint);}
.logo-footer .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.72);max-width:330px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--acid);}
.footer-text{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{padding:20px 0;}
.footer-bottom-inner{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 移动抽屉 */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(11,35,31,.5);z-index:90;
  opacity:0;transition:opacity .22s ease;
}
.drawer-backdrop.is-open{opacity:1;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:100;
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .22s ease;
  display:flex;flex-direction:column;padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:var(--card);cursor:pointer;font-size:18px;line-height:1;color:var(--ink);
}
.drawer-close:hover{background:#EFEDE5;}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:13px;color:var(--text-2);font-weight:700;margin-bottom:12px;letter-spacing:.02em;}
.drawer-group ul{display:grid;gap:8px;}
.drawer-group a{
  display:block;padding:11px 14px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--card);color:var(--text);font-size:15px;
}
.drawer-group a:hover{background:#EFEDE5;}
.drawer-group a.is-active{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;}
.drawer-cta{margin-top:auto;display:grid;gap:10px;}
body.no-scroll{overflow:hidden;}

/* 响应式 */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;}
  .faq-grid{grid-template-columns:300px minmax(0,1fr);gap:40px;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .zig{grid-template-columns:minmax(0,1fr);gap:28px;}
  .zig.is-reverse .zig-media{order:0;}
  .zig-media::after{display:none;}
  .zig + .zig{margin-top:56px;}
  .faq-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .def-list{grid-template-columns:minmax(0,1fr);}
  .page-hero-inner{padding-top:52px;padding-bottom:48px;}
  .cta-band-inner{gap:20px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .header-actions{gap:12px;}
  .header-actions .text-link{display:none;}
  .nav-toggle{display:flex;}
  .header-nav{overflow-x:auto;padding-bottom:12px;}
  .chip-nav{flex-wrap:nowrap;}
  .chip{flex:0 0 auto;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .form-card{padding:24px 18px;}
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .hero-actions .btn{width:100%;}
  .cta-band-inner{flex-direction:column;align-items:stretch;}
  .cta-band-inner .btn{width:100%;}
  .countdown .num{min-width:44px;height:44px;font-size:19px;}
  .data-table td,.data-table th{padding:12px 14px;}
}
@media (max-width:480px){
  .section{padding:40px 0;}
  .page-hero h1{font-size:26px;}
  .page-hero-sub{font-size:15.5px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom-inner{flex-direction:column;}
}