/* roulang page: index */
:root{
  --brand:#0F6B57;
  --brand-600:#0B5344;
  --brand-50:#E8F2EF;
  --accent:#FF6A2B;
  --accent-600:#E2541A;
  --lime:#CDEB4F;
  --ink:#101B18;
  --body:#4C5A56;
  --line:#E2E7E3;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --muted:#7A8783;
  --r-card:18px;
  --r-img:16px;
  --r-btn:999px;
  --shadow-card:0 2px 4px rgba(16,27,24,.04),0 10px 28px rgba(16,27,24,.06);
  --shadow-hover:0 16px 36px rgba(16,27,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none;margin-left:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
img{display:block;max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* 容器与栅格 */
.wrap{width:100%;max-width:1248px;margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.column,.columns{padding-left:12px;padding-right:12px}
@media screen and (max-width:639px){
  .wrap{padding:0 20px}
  .row{margin-left:-8px;margin-right:-8px}
  .column,.columns{padding-left:8px;padding-right:8px}
}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:70;padding:0 24px;pointer-events:none}
.dock{
  max-width:1080px;margin:0 auto;pointer-events:auto;
  display:flex;align-items:center;gap:16px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  box-shadow:0 8px 32px rgba(16,27,24,.12);
  padding:10px 14px;
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;width:36px;height:36px;border-radius:12px;background:var(--brand);flex:0 0 auto;overflow:hidden;box-shadow:0 6px 16px rgba(15,107,87,.28)}
.brand-mark i{position:absolute;display:block;border-radius:999px}
.brand-mark i:nth-child(1){width:22px;height:6px;background:var(--lime);left:7px;top:11px;transform:rotate(-18deg)}
.brand-mark i:nth-child(2){width:16px;height:5px;background:#fff;left:7px;top:21px;transform:rotate(-18deg);opacity:.9}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{font-size:15px;font-weight:600;color:var(--ink);padding:8px 14px;border-radius:999px;white-space:nowrap;transition:background .18s var(--ease),color .18s var(--ease)}
.dock-nav a:hover{color:var(--brand);background:var(--brand-50)}
.dock-nav a.is-active{color:var(--accent);background:rgba(255,106,43,.09)}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.dock-cta{background:var(--accent);color:#fff;font-weight:700;font-size:15px;padding:10px 22px;border-radius:var(--r-btn);white-space:nowrap;transition:background .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
.dock-cta:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,106,43,.28)}
.dock-toggle{display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:4px}
.dock-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}
@media screen and (max-width:1023px){
  .dock-nav a{padding:8px 10px;font-size:14px}
}
@media screen and (max-width:767px){
  .site-header{padding:0 16px;top:12px}
  .dock{padding:8px 10px 8px 14px;gap:10px}
  .dock-nav{display:none}
  .dock-cta{display:none}
  .dock-toggle{display:inline-flex}
}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;background:var(--ink);z-index:90;padding:22px 24px;display:none;flex-direction:column;overflow-y:auto}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head .brand-text{color:#fff}
.drawer-close{width:44px;height:44px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;font-size:20px;cursor:pointer;line-height:1}
.drawer nav a{display:block;font-size:18px;font-weight:600;color:#fff;line-height:56px;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer nav a.is-active{color:var(--lime)}
.drawer-tip{margin-top:auto;padding-top:24px;color:rgba(255,255,255,.6);font-size:13px;line-height:1.7}

/* ============ 通用板块 ============ */
main{padding-top:104px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-dark{background:var(--ink);color:#fff}
.section-dark .sec-title{color:#fff}
.section-dark .sec-sub{color:rgba(255,255,255,.62)}
.sec-head{margin-bottom:38px;max-width:760px}
.sec-title{position:relative;font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:var(--ink);padding-left:18px;letter-spacing:-.01em}
.sec-title::before{content:"";position:absolute;left:0;top:7px;width:6px;height:24px;border-radius:999px;background:var(--brand)}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.75}
@media screen and (max-width:1023px){.section{padding:72px 0}.section-tight{padding:56px 0}}
@media screen and (max-width:639px){main{padding-top:92px}.section{padding:56px 0}.section-tight{padding:44px 0}.sec-head{margin-bottom:26px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,43,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50)}
.btn-sm{height:42px;padding:0 22px;font-size:15px}
.link-arrow{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-weight:600;font-size:15px}
.link-arrow:hover{transform:translateX(2px)}
.link-arrow{transition:transform .2s var(--ease)}

/* ============ Hero ============ */
.hero-inner{
  position:relative;border-radius:28px;overflow:hidden;
  background:linear-gradient(118deg,rgba(11,83,68,.95) 0%,rgba(15,107,87,.82) 42%,rgba(16,27,24,.42) 100%),
             url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:56px 48px;
  box-shadow:0 24px 60px rgba(16,27,24,.18);
}
.hero-inner::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:340px;height:340px;
  border:1px solid rgba(205,235,79,.55);border-radius:50%;
}
.hero-copy{position:relative;z-index:2;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
  padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.hero-tag i{color:var(--lime);font-size:11px}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.15;font-weight:800;
  letter-spacing:-.02em;color:#fff;margin-bottom:18px;
}
.hero-sub{font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.hero .btn-ghost:hover{background:rgba(255,255,255,.14)}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-badges li{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.86)}
.hero-badges li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto}
.hero-visual{position:relative;z-index:2;border-radius:20px;overflow:hidden;box-shadow:0 24px 56px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.2)}
.hero-visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media screen and (max-width:1023px){
  .hero-inner{padding:44px 34px}
  .hero-visual{margin-top:32px}
}
@media screen and (max-width:639px){
  .hero-inner{padding:34px 22px;border-radius:22px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-visual{margin-top:26px;border-radius:16px}
}

/* ============ 服务卡片 ============ */
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  margin-bottom:24px;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.svc-media{display:block;overflow:hidden}
.svc-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s var(--ease)}
.svc-card:hover .svc-media img{transform:scale(1.04)}
.svc-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:19px;line-height:1.4;font-weight:600;color:var(--ink)}
.card-title a:hover{color:var(--brand)}
.card-text{font-size:15px;line-height:1.75;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.svc-body .link-arrow{margin-top:auto}

.gear-strip{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;margin-top:8px;
}
.gear-strip .gear-icon{width:44px;height:44px;border-radius:14px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;flex:0 0 auto}
.gear-strip .gear-main{flex:1;min-width:200px}
.gear-strip h3{font-size:18px;font-weight:700;color:var(--ink)}
.gear-strip p{font-size:14px;color:var(--body)}
.gear-strip .btn{background:var(--brand);color:#fff}
.gear-strip .btn:hover{background:var(--brand-600);transform:translateY(-1px)}

/* ============ 优势与数据 ============ */
.adv-list{display:flex;flex-direction:column;gap:22px;margin-top:30px}
.adv-list li{display:flex;gap:16px;align-items:flex-start}
.adv-num{font-size:12px;font-weight:700;color:var(--lime);letter-spacing:.08em;padding-top:6px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.adv-list h3{font-size:18px;font-weight:700;color:#fff;line-height:1.5}
.adv-list p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.64);max-width:420px}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px}
.stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:24px 22px;
}
.stat strong{display:block;font-size:42px;line-height:1.05;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat strong span{font-size:14px;font-weight:600;color:rgba(255,255,255,.72);margin-left:6px;letter-spacing:0}
.stat p{font-size:13px;color:rgba(255,255,255,.6);margin-top:10px;line-height:1.6}
@media screen and (max-width:639px){
  .stat-grid{gap:14px}
  .stat{padding:18px 16px}
  .stat strong{font-size:32px}
}

/* ============ 案例 ============ */
.case-grid{display:grid;gap:24px;grid-template-columns:repeat(6,1fr);grid-auto-rows:190px}
.case-item{
  position:relative;border-radius:var(--r-card);overflow:hidden;display:block;
  background:var(--ink);
}
.case-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.case-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(16,27,24,.06) 30%,rgba(16,27,24,.86) 100%);transition:background .3s var(--ease)}
.case-item:hover img{transform:scale(1.05)}
.case-item:hover::after{background:linear-gradient(180deg,rgba(16,27,24,.15) 20%,rgba(16,27,24,.94) 100%)}
.case-body{position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2}
.case-body h3{font-size:19px;font-weight:700;color:#fff;line-height:1.4}
.case-body .tag-line{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:12px;color:var(--lime);letter-spacing:.04em}
.case-lg{grid-column:1/4;grid-row:1/4}
.case-sm{grid-column:4/7}
@media screen and (max-width:1023px){
  .case-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:220px}
  .case-lg{grid-column:1/3;grid-row:auto}
  .case-sm{grid-column:span 1}
}
@media screen and (max-width:639px){
  .case-grid{grid-template-columns:1fr;grid-auto-rows:200px;gap:16px}
  .case-lg,.case-sm{grid-column:auto;grid-row:auto}
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:12px}
.steps::before{content:"";position:absolute;left:22px;right:22px;top:26px;height:1px;background:var(--line)}
.step{position:relative;padding-top:0}
.step-dot{
  width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;
  position:relative;z-index:2;font-variant-numeric:tabular-nums;box-shadow:0 10px 24px rgba(255,106,43,.28);
}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-top:20px}
.step p{font-size:14px;line-height:1.75;color:var(--body);margin-top:8px}
@media screen and (max-width:1023px){
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .steps::before{display:none}
}
@media screen and (max-width:639px){
  .steps{grid-template-columns:1fr}
}

/* ============ 最新信息（CMS 列表） ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.news-card{
  display:flex;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.news-thumb{flex:0 0 40%;overflow:hidden;background:var(--brand-50)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{flex:1;padding:22px;display:flex;flex-direction:column;gap:10px}
.news-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:14px;line-height:1.7;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin-top:auto;font-variant-numeric:tabular-nums}
.news-meta .dot{width:6px;height:6px;border-radius:2px;background:var(--accent);flex:0 0 auto}
.badge{display:inline-block;font-size:11px;font-weight:600;padding:3px 10px;border-radius:6px;background:var(--brand-50);color:var(--brand);line-height:1.6}
.news-more{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:4px}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;color:var(--muted);font-size:15px;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
@media screen and (max-width:1023px){.news-grid{grid-template-columns:1fr}}
@media screen and (max-width:639px){
  .news-card{flex-direction:column}
  .news-thumb{flex:none;aspect-ratio:16/9}
  .news-thumb img{height:100%}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.accordion.faq-acc{background:transparent;border:0;margin:0}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-card);
  transition:box-shadow .22s var(--ease);
}
.faq-acc .accordion-item.is-active{box-shadow:var(--shadow-hover)}
.faq-acc .accordion-title{
  font-size:17px;font-weight:600;color:var(--ink);background:transparent;border:0;
  padding:20px 58px 20px 22px;position:relative;line-height:1.55;
}
.faq-acc .accordion-title:hover{background:var(--brand-50);color:var(--brand)}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s var(--ease);width:auto;height:auto;background:none;margin:0;
}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"–";transform:translateY(-50%) rotate(180deg);color:var(--accent)}
.faq-acc .accordion-content{
  border-top:1px solid var(--line);background:#fff;
  padding:18px 22px 22px;font-size:15px;line-height:1.85;color:var(--body);
}
.faq-acc .accordion-content p{margin:0}

/* ============ 联系与表单 ============ */
.contact-panel{
  background:var(--brand-600);border-radius:24px;overflow:hidden;
  box-shadow:0 22px 50px rgba(11,83,68,.24);
}
.contact-info{padding:44px 40px;color:#fff}
.contact-info h2{color:#fff;font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin-bottom:14px;padding-left:0}
.contact-info h2::before{display:none}
.contact-info .lead{font-size:15px;color:rgba(255,255,255,.72);margin-bottom:28px;max-width:400px}
.contact-list{display:flex;flex-direction:column;gap:18px}
.contact-list li{display:flex;gap:14px;align-items:flex-start}
.contact-list i{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:15px;color:var(--lime);flex:0 0 auto}
.contact-list strong{display:block;font-size:15px;font-weight:700;color:#fff}
.contact-list span{font-size:13px;color:rgba(255,255,255,.64);line-height:1.7}
.contact-map{padding:0 40px 40px}
.contact-map img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:16px;border:1px solid rgba(255,255,255,.14)}
.form-card{background:#fff;border-radius:24px;padding:34px;box-shadow:0 22px 50px rgba(16,27,24,.12);height:100%}
.form-card h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-card .form-note{font-size:13px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:12px;border:1px solid var(--line);
  background:#FBFCFB;padding:0 14px;font-size:15px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(255,106,43,.14);
}
.form-card .btn{width:100%;margin-top:6px}
.form-msg{margin-top:14px;font-size:14px;line-height:1.6;display:none}
.form-msg.is-show{display:block}
.form-msg.ok{color:var(--brand)}
.form-msg.err{color:var(--accent-600)}
@media screen and (max-width:1023px){
  .contact-map{padding:0 30px 30px}
  .contact-info{padding:34px 30px}
  .form-card{margin-top:26px;padding:26px}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-logo{display:inline-block;font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.site-footer ul{display:flex;flex-direction:column;gap:10px}
.site-footer ul a{font-size:14px;color:rgba(255,255,255,.64);transition:color .18s var(--ease)}
.site-footer ul a:hover{color:var(--lime)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.64);line-height:1.8}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.5);line-height:1.7}
@media screen and (max-width:639px){
  .site-footer{padding-top:52px}
  .footer-bottom{margin-top:34px}
}

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

/* roulang page: article */
:root{
  --brand:#0F6B57;
  --brand-600:#0B5344;
  --brand-50:#E8F2EF;
  --accent:#FF6A2B;
  --accent-600:#E2541A;
  --lime:#CDEB4F;
  --ink:#101B18;
  --body:#4C5A56;
  --muted:#7A8783;
  --line:#E2E7E3;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --radius-card:18px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-card:0 2px 4px rgba(16,27,24,.04),0 10px 28px rgba(16,27,24,.06);
  --shadow-hover:0 16px 36px rgba(16,27,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover,a:focus{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.tag,.pill{
  display:inline-block;
  font-size:12px;
  line-height:1;
  padding:7px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand);
  font-weight:600;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),transform .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;}
.textlink{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:transform .2s var(--ease),color .2s var(--ease);}
.textlink:hover,.textlink:focus{color:var(--accent-600);transform:translateX(2px);}

/* ---------- Dock 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;padding:16px 24px 0;}
.dock{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 14px;border-radius:999px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 8px 32px rgba(16,27,24,.12);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:12px;background:var(--brand);
  display:inline-block;overflow:hidden;flex:0 0 auto;
}
.brand-mark i:first-child{position:absolute;left:8px;top:9px;width:9px;height:16px;background:var(--lime);border-radius:3px;transform:skewX(-14deg);}
.brand-mark i:last-child{position:absolute;right:7px;top:9px;width:11px;height:14px;border:2px solid #fff;border-radius:50%;border-left-color:transparent;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.dock-nav a{
  position:relative;display:block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap;
}
.dock-nav a:hover,.dock-nav a:focus{background:var(--brand-50);color:var(--brand);}
.dock-nav a.is-active{color:var(--accent);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:3px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-cta{
  display:inline-flex;align-items:center;height:42px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:700;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.dock-cta:hover,.dock-cta:focus{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.dock-toggle{
  display:none;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.dock-drawer{
  position:fixed;inset:0;z-index:90;background:var(--ink);
  padding:26px 24px;display:none;flex-direction:column;
}
.dock-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer-head .brand-text{color:#fff;}
.drawer-close{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav a{
  display:block;color:#fff;font-size:18px;font-weight:600;line-height:56px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:hover,.drawer-nav a:focus{color:var(--lime);}
.drawer-nav a.is-active{color:var(--lime);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);padding:14px 0;}
.crumb a{color:var(--muted);}
.crumb a:hover,.crumb a:focus{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--body);}

/* ---------- 文章标题区 ---------- */
.article-hero{
  position:relative;
  background-image:linear-gradient(100deg,rgba(16,27,24,.92) 0%,rgba(15,107,87,.78) 52%,rgba(15,107,87,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.article-hero .wrap{padding-top:64px;padding-bottom:64px;}
.article-hero .pill{background:rgba(255,255,255,.14);color:var(--lime);}
.article-hero h1{
  color:#fff;font-size:clamp(26px,3.6vw,36px);line-height:1.3;font-weight:700;
  max-width:820px;margin:18px 0 16px;
}
.article-hero .meta{font-size:13px;color:rgba(255,255,255,.72);margin:0;font-variant-numeric:tabular-nums;}
.article-hero .meta .dot{margin:0 8px;color:rgba(255,255,255,.4);}

/* ---------- 正文 ---------- */
.article-main{padding:64px 0 24px;}
.article-shell{max-width:760px;margin:0 auto;}
.article-body{font-size:17px;line-height:1.85;color:var(--body);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;margin:1.8em 0 .7em;
}
.article-body h3{font-size:19px;line-height:1.4;margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;line-height:1.5;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.4em 0;}
.article-body img{border-radius:12px;margin:1.4em auto;height:auto;}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:1.5em 0;padding:18px 22px;background:var(--brand-50);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--ink);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(255,106,43,.5);}
.article-body a:hover,.article-body a:focus{color:var(--accent);}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--brand-50);color:var(--ink);font-weight:600;}
.article-body tr:nth-child(even) td{background:#FBFCFB;}
.article-body pre{
  background:#F1F4F2;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow:auto;font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0;}
.article-empty{
  border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff;
  padding:56px 24px;text-align:center;
}
.article-empty p{color:var(--muted);margin-bottom:18px;}

/* ---------- 相关推荐 ---------- */
.related{padding:40px 0 80px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;max-width:760px;margin-left:auto;margin-right:auto;}
.related-head h2{font-size:24px;line-height:1.3;}
.related-head h2::before{
  content:"";display:inline-block;width:6px;height:22px;border-radius:6px;
  background:var(--brand);margin-right:12px;vertical-align:-3px;
}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:1080px;margin:0 auto;}
.related-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease);
}
.related-card:hover,.related-card:focus{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease);}
.related-card:hover .thumb img{transform:scale(1.04);}
.related-card .rc-body{padding:20px;}
.related-card h3{font-size:17px;line-height:1.45;margin-bottom:10px;}
.related-card .rc-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.related-card .rc-meta .dot{width:6px;height:6px;border-radius:2px;background:var(--accent);display:inline-block;}

/* ---------- 返回入口 ---------- */
.back-links{max-width:760px;margin:0 auto;padding:0 0 72px;display:flex;flex-wrap:wrap;gap:24px;}

/* ---------- FAQ ---------- */
.faq-section{padding:80px 0;background:#fff;border-top:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
.section-head h2::before{
  content:"";display:inline-block;width:6px;height:24px;border-radius:6px;
  background:var(--brand);margin-right:12px;vertical-align:-4px;
}
.section-head p{margin:14px 0 0;color:var(--body);}
.faq-wrap{max-width:880px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-card);
}
.accordion .accordion-item:last-child{margin-bottom:0;}
.accordion .accordion-title{
  position:relative;border:none;padding:20px 56px 20px 22px;
  font-size:17px;font-weight:600;color:var(--ink);background:#fff;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:var(--brand-50);color:var(--brand-600);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--accent);transition:transform .2s var(--ease);
}
.accordion .accordion-item.is-active .accordion-title::before{content:"−";}
.accordion .accordion-content{
  border:none;border-top:1px solid var(--line);padding:18px 22px 22px;
  font-size:15px;line-height:1.8;color:var(--body);background:#fff;
}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA 条 ---------- */
.cta-strip{padding:0 0 96px;}
.cta-card{
  background:var(--brand-600);color:#fff;border-radius:24px;padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;
  border:1px solid rgba(205,235,79,.35);border-radius:50%;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;position:relative;}
.cta-card p{color:rgba(255,255,255,.78);margin:12px 0 0;max-width:560px;position:relative;}
.cta-card .btn{position:relative;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.site-footer .row{display:flex;flex-wrap:wrap;gap:32px;}
.site-footer .columns{min-width:0;}
.site-footer .small-12{width:100%;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-logo{display:inline-block;color:#fff;font-size:20px;font-weight:800;margin-bottom:14px;letter-spacing:-.01em;}
.footer-logo:hover,.footer-logo:focus{color:var(--lime);}
.footer-brand p{max-width:360px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);}
.site-footer ul li{margin-bottom:10px;font-size:14px;}
.site-footer a{color:rgba(255,255,255,.72);}
.site-footer a:hover,.site-footer a:focus{color:var(--lime);}
.footer-contact li{color:rgba(255,255,255,.6);font-size:14px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:12px;color:rgba(255,255,255,.6);}

@media screen and (min-width:1024px){
  .site-footer .large-5{width:calc(41.666% - 22px);}
  .site-footer .large-4{width:calc(33.333% - 22px);}
  .site-footer .large-3{width:calc(25% - 22px);}
}
@media screen and (min-width:640px) and (max-width:1023px){
  .site-footer .medium-6{width:calc(50% - 16px);}
}
@media screen and (max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media screen and (max-width:639px){
  .site-header{padding:12px 16px 0;}
  .dock{gap:10px;padding:8px 10px;}
  .brand-text{font-size:15px;}
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-cta{height:40px;padding:0 16px;font-size:14px;}
  .article-hero .wrap{padding-top:44px;padding-bottom:44px;}
  .article-main{padding:44px 0 16px;}
  .related-grid{grid-template-columns:1fr;gap:16px;}
  .related{padding:32px 0 56px;}
  .faq-section{padding:56px 0;}
  .cta-strip{padding:0 0 64px;}
  .cta-card{padding:30px 24px;}
  .cta-card .btn{width:100%;}
  .wrap{padding:0 20px;}
  .article-body{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .related-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#0F6B57;
  --brand-600:#0B5344;
  --brand-50:#E8F2EF;
  --accent:#FF6A2B;
  --accent-600:#E2541A;
  --lime:#CDEB4F;
  --ink:#101B18;
  --body:#4C5A56;
  --muted:#7A8783;
  --line:#E2E7E3;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow:0 2px 4px rgba(16,27,24,.04), 0 10px 28px rgba(16,27,24,.06);
  --shadow-hover:0 16px 36px rgba(16,27,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.num,.hero-stats strong,.stat-num,.step-no{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:#FFFFFF}
.sec-title{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  font-weight:700;
  padding-left:18px;
  margin-bottom:16px;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:.18em;
  width:6px;height:24px;
  border-radius:999px;
  background:var(--brand);
}
.sec-sub{max-width:720px;color:var(--body);font-size:16px;margin-bottom:36px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .22s var(--ease),background-color .22s var(--ease),box-shadow .22s var(--ease),color .22s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-600)}
.btn-light:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px)}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--accent);
  font-size:15px;
  font-weight:600;
}
.link-arrow::after{content:"›";font-size:18px;line-height:1;transition:transform .22s var(--ease)}
.link-arrow:hover{color:var(--accent-600)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:60;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  padding:10px 14px;
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  box-shadow:0 8px 32px rgba(16,27,24,.12);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{position:relative;display:inline-block;width:26px;height:26px}
.brand-mark i{position:absolute;display:block;border-radius:4px}
.brand-mark i:first-child{width:16px;height:16px;left:0;top:2px;background:var(--brand);transform:skewX(-14deg)}
.brand-mark i:last-child{width:14px;height:14px;right:0;bottom:2px;border:2px solid var(--accent);border-radius:999px;background:transparent}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.dock-brand:hover .brand-text{color:var(--brand)}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto;flex-wrap:nowrap}
.dock-nav a{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding:9px 14px;
  border-radius:999px;
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-50)}
.dock-nav a.is-active{color:var(--accent)}
.dock-nav a.is-active::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  transform:translateX(-50%);
  width:18px;height:3px;
  border-radius:999px;
  background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-cta{
  display:inline-flex;
  align-items:center;
  height:42px;
  padding:0 20px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:700;
}
.dock-cta:hover{background:var(--accent-600);color:#fff}
.dock-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  padding:0;
  cursor:pointer;
}
.dock-toggle span{display:block;width:18px;height:2px;margin:3px auto;background:var(--ink);border-radius:2px}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  padding:160px 0 72px;
  background:var(--ink);
  overflow:hidden;
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(16,27,24,.94) 0%,rgba(11,83,68,.86) 45%,rgba(16,27,24,.55) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap}
.crumbs a{color:rgba(255,255,255,.72)}
.crumbs a:hover{color:var(--lime)}
.crumbs span{color:rgba(255,255,255,.45)}
.crumbs .current{color:rgba(255,255,255,.94)}
.page-hero .kicker{
  display:inline-block;
  margin-bottom:16px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(205,235,79,.16);
  border:1px solid rgba(205,235,79,.42);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.page-hero .lead{
  color:rgba(255,255,255,.86);
  font-size:17px;
  max-width:640px;
  margin-bottom:30px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  max-width:760px;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:24px;
}
.hero-stats li{color:rgba(255,255,255,.7);font-size:13px}
.hero-stats strong{display:block;color:#fff;font-size:26px;font-weight:800;line-height:1.2;margin-bottom:4px}
.hero-stats li:nth-child(even) strong{color:var(--lime)}

/* ---------- 课程布局 ---------- */
.course-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.course-aside{position:sticky;top:104px}
.aside-label{
  font-size:13px;
  font-weight:700;
  color:var(--muted);
  letter-spacing:.08em;
  margin-bottom:12px;
}
.anchor-nav{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--line)}
.anchor-nav a{
  position:relative;
  display:block;
  padding:10px 0 10px 16px;
  font-size:15px;
  font-weight:600;
  color:var(--body);
  border-left:3px solid transparent;
  margin-left:-3px;
}
.anchor-nav a:hover{color:var(--brand);background:var(--brand-50);border-radius:0 8px 8px 0}
.anchor-nav a.is-active{color:var(--accent);border-left-color:var(--accent)}
.aside-card{
  margin-top:24px;
  padding:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  font-size:14px;
  color:var(--body);
}
.aside-card p{margin-bottom:14px}

.course-list{display:flex;flex-direction:column;gap:24px}
.course-card{
  display:grid;
  grid-template-columns:40% minmax(0,1fr);
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.course-media{position:relative;overflow:hidden;min-height:220px}
.course-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.course-card:hover .course-media img{transform:scale(1.04)}
.course-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px}
.course-body h3{font-size:20px;font-weight:600}
.course-body p{font-size:15px;color:var(--body);margin:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand);
  font-size:12px;
  font-weight:600;
  line-height:1.6;
}
.tag-lime{background:var(--lime);color:var(--ink)}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.steps li{
  position:relative;
  padding:28px 22px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.steps li::before{
  content:"";
  position:absolute;
  top:0;left:22px;
  width:34px;height:3px;
  border-radius:999px;
  background:var(--brand);
}
.step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:800;
  margin-bottom:14px;
}
.steps h3{font-size:18px;font-weight:600;margin-bottom:8px}
.steps p{font-size:14px;color:var(--body);margin:0}

/* ---------- 保障 ---------- */
.guard{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.guard-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-img);
  box-shadow:var(--shadow);
}
.guard-list{display:flex;flex-direction:column;gap:18px;margin-top:8px}
.guard-list li{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:14px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:14px;
}
.guard-list i{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-50);
  color:var(--brand);
  font-size:18px;
}
.guard-list h3{font-size:17px;font-weight:600;margin-bottom:4px}
.guard-list p{font-size:14px;margin:0}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .22s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand);
  font-size:18px;
  line-height:1;
  transition:transform .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-a{
  padding:16px 22px 22px;
  border-top:1px solid var(--line);
  font-size:15px;
  line-height:1.85;
  color:var(--body);
}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand-600);color:#fff;padding:64px 0}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:620px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.switch-tags{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:32px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.18);
}
.switch-tags .switch-label{align-self:center;font-size:13px;color:rgba(255,255,255,.7);margin-right:4px}
.switch-tags a{
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.3);
  color:rgba(255,255,255,.9);
  font-size:14px;
  font-weight:600;
}
.switch-tags a:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.switch-tags a.is-current{background:#fff;border-color:#fff;color:var(--brand-600)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  font-size:15px;
}
.site-footer .row{margin-left:0;margin-right:0}
.site-footer .columns{padding-left:0;padding-right:0}
.footer-brand{padding-right:32px}
.footer-logo{
  display:inline-block;
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-logo:hover{color:var(--lime)}
.site-footer p{max-width:380px;font-size:14px;line-height:1.85}
.site-footer h4{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
}
.site-footer ul li{margin-bottom:10px;font-size:14px}
.site-footer ul a{color:rgba(255,255,255,.72)}
.site-footer ul a:hover{color:var(--lime)}
.footer-contact li{color:rgba(255,255,255,.72)}
.footer-bottom{
  margin-top:52px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.6);margin:0;max-width:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .dock-nav{display:none}
  .dock-toggle{display:block}
  .page-hero{padding:132px 0 60px}
  .course-layout{grid-template-columns:1fr;gap:28px}
  .course-aside{position:static;top:auto}
  .anchor-nav{flex-direction:row;overflow-x:auto;border-left:0;border-bottom:2px solid var(--line);gap:8px;padding-bottom:6px}
  .anchor-nav a{border-left:0;border-bottom:3px solid transparent;padding:8px 12px;margin-left:0;white-space:nowrap;border-radius:999px 999px 0 0}
  .anchor-nav a.is-active{border-bottom-color:var(--accent)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .guard{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr}
  .footer-brand{padding-right:0;margin-bottom:28px}
  .site-footer .columns{margin-bottom:28px}
}

@media screen and (max-width:640px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .dock{padding:8px 12px;gap:10px}
  .brand-text{font-size:16px}
  .dock-cta{display:none}
  .page-hero{padding:118px 0 52px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px}
  .course-card{grid-template-columns:1fr}
  .course-media{min-height:200px;aspect-ratio:16/10}
  .course-body{padding:22px 20px}
  .steps{grid-template-columns:1fr}
  .guard-list li{grid-template-columns:1fr;gap:10px}
  .cta-actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:18px}
  .footer-bottom{flex-direction:column}
}

/* 移动端抽屉 */
@media screen and (max-width:1023px){
  .dock{position:relative}
  .dock-nav.is-open{
    display:flex;
    position:fixed;
    inset:0;
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:0;
    padding:80px 32px;
    background:var(--ink);
    border-radius:0;
    z-index:80;
    overflow-y:auto;
  }
  .dock-nav.is-open a{
    width:100%;
    font-size:18px;
    font-weight:600;
    color:#fff;
    line-height:56px;
    padding:0;
    border-radius:0;
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .dock-nav.is-open a:hover{background:transparent;color:var(--lime)}
  .dock-nav.is-open a.is-active{color:var(--lime)}
  .dock-nav.is-open a.is-active::after{display:none}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .course-card:hover,.btn:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#0F6B57;--brand-600:#0B5344;--brand-50:#E8F2EF;
  --accent:#FF6A2B;--accent-600:#E2541A;--lime:#CDEB4F;
  --ink:#101B18;--body:#4C5A56;--line:#E2E7E3;--bg:#F6F8F6;--card:#FFFFFF;--muted:#7A8783;
  --r-card:18px;--r-img:16px;--r-input:12px;
  --shadow-1:0 2px 4px rgba(16,27,24,.04),0 10px 28px rgba(16,27,24,.06);
  --shadow-2:0 16px 36px rgba(16,27,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-top:104px;background:var(--bg);color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease)}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.28;font-weight:700}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer}
.num,.stat strong,.data-value,time{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.section-title{position:relative;padding-left:18px;font-size:clamp(24px,3vw,34px)}
.section-title::before{content:"";position:absolute;left:0;top:.35em;width:6px;height:24px;border-radius:6px;background:var(--brand)}
.section-sub{margin-top:14px;font-size:16px;color:var(--body)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.06em;text-transform:uppercase}
.badge{display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;background:var(--brand-50);color:var(--brand);font-size:12px;font-weight:600}
.badge--lime{background:var(--lime);color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:700;border:1px solid transparent;transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-600);transform:translateY(-1px);box-shadow:0 10px 24px rgba(226,84,26,.28)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--brand-600)}
.btn-light:hover{background:var(--lime);color:var(--ink)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:15px}
.text-link:hover{color:var(--accent-600)}
.text-link:hover i{transform:translateX(2px)}
.text-link i{transition:transform .22s var(--ease)}

/* ---------- 浮动导航 Dock ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;padding:16px 24px}
.dock{max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7);box-shadow:0 8px 32px rgba(16,27,24,.12)}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;gap:3px;transform:skewX(-12deg)}
.brand-mark i{display:block;width:8px;height:22px;border-radius:3px;background:var(--brand)}
.brand-mark i:last-child{background:var(--accent);height:16px;align-self:flex-end}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink)}
.dock-nav a:hover{color:var(--brand);background:var(--brand-50)}
.dock-nav a.is-active{color:var(--brand)}
.dock-nav a.is-active::after{content:"";position:absolute;left:50%;bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--accent);transform:translateX(-50%)}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-cta{display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:999px;background:var(--accent);color:#fff;font-size:14px;font-weight:700}
.dock-cta:hover{background:var(--accent-600)}
.dock-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.dock-drawer{position:fixed;inset:0;z-index:90;display:none;flex-direction:column;padding:96px 28px 32px;background:var(--ink)}
.dock-drawer.is-open{display:flex}
.dock-drawer a{color:#fff;font-size:18px;font-weight:600;line-height:56px;border-bottom:1px solid rgba(255,255,255,.12)}
.dock-drawer a.is-active{color:var(--lime)}
.drawer-close{position:absolute;top:22px;right:22px;width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.3);background:transparent;color:#fff;font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center}

/* ---------- 面包屑 / 横幅 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--body)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--muted)}
.page-hero{padding-top:36px}
.hero-banner{position:relative;overflow:hidden;border-radius:20px;padding:44px 40px;min-height:220px;display:flex;align-items:flex-end;background-image:linear-gradient(102deg,rgba(11,83,68,.94),rgba(16,27,24,.58)),url("/assets/images/backpic/back-2.webp");background-size:cover;background-position:center}
.hero-banner-inner{position:relative;z-index:2;max-width:720px}
.hero-banner h1{color:#fff;margin-top:14px}
.hero-banner p{margin-top:16px;color:rgba(255,255,255,.86);font-size:16px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(255,255,255,.86);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 14px}
.hero-meta i{color:var(--lime);font-size:12px}

/* ---------- 场地卡片 ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.venue-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.venue-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.venue-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.venue-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.venue-card:hover .venue-media img{transform:scale(1.04)}
.venue-stats{position:absolute;left:14px;right:14px;bottom:14px;display:flex;flex-wrap:wrap;gap:8px 22px;padding:10px 16px;border-radius:12px;background:rgba(16,27,24,.78);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.stat{display:flex;align-items:baseline;gap:6px}
.stat strong{font-size:24px;font-weight:800;color:var(--accent);line-height:1.1}
.stat span{font-size:13px;color:rgba(255,255,255,.82)}
.venue-body{padding:24px;display:flex;flex-direction:column;flex:1}
.venue-body h3{font-size:19px;font-weight:600}
.venue-body p{margin-top:10px;font-size:15px;color:var(--body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.venue-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.venue-tags span{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-50);border-radius:999px;padding:4px 10px}
.venue-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);margin-top:18px}

/* ---------- 配套清单 ---------- */
.facility-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.facility{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.facility:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.facility i{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--brand-50);color:var(--brand);font-size:18px}
.facility h3{margin-top:16px;font-size:19px;font-weight:600}
.facility p{margin-top:8px;font-size:15px}
.notice-bar{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding:22px 24px;border-radius:var(--r-card);background:var(--brand-50);border:1px solid rgba(15,107,87,.12)}
.notice-bar div{display:flex;gap:12px;align-items:flex-start}
.notice-bar i{color:var(--brand);margin-top:4px}
.notice-bar strong{display:block;font-size:15px;font-weight:700;color:var(--ink)}
.notice-bar p{font-size:14px;margin-top:2px}

/* ---------- 预约流程 ---------- */
.flow{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow-grid{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.flow-grid::before{content:"";position:absolute;top:20px;left:6%;right:6%;height:1px;background:var(--line)}
.flow-step{position:relative;padding-top:0}
.flow-num{position:relative;z-index:2;width:40px;height:40px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:16px;box-shadow:0 8px 18px rgba(226,84,26,.28)}
.flow-step h3{margin-top:18px;font-size:19px;font-weight:600}
.flow-step p{margin-top:8px;font-size:15px;color:var(--body)}

/* ---------- 场景标签 ---------- */
.scene-wrap{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.scene{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink);transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)}
.scene i{color:var(--brand)}
.scene:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.scene-panel{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.scene-panel img{border-radius:var(--r-img);aspect-ratio:16/10;object-fit:cover;width:100%}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:0;margin:0}
.accordion .accordion-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-1)}
.accordion .accordion-title{position:relative;display:block;padding:20px 58px 20px 22px;font-size:17px;font-weight:600;color:var(--ink);background:var(--card);border:0;border-radius:0;line-height:1.6}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand)}
.accordion .accordion-title::before{content:"";position:absolute;right:22px;top:50%;width:14px;height:2px;border-radius:2px;background:var(--brand);transform:translateY(-50%);transition:transform .2s var(--ease)}
.accordion .accordion-title::after{content:"";position:absolute;right:28px;top:50%;width:2px;height:14px;border-radius:2px;background:var(--brand);transform:translateY(-50%);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(90deg);opacity:0}
.accordion .accordion-content{border:0;border-top:1px solid var(--line);padding:16px 22px 22px;font-size:15px;line-height:1.8;color:var(--body);background:var(--card)}

/* ---------- CTA + 联系 ---------- */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;padding:40px;border-radius:var(--r-card);background:var(--brand-600);color:rgba(255,255,255,.84)}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px)}
.cta-band p{margin-top:10px;max-width:620px;font-size:15px}
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:start;margin-top:36px}
.contact-info{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1)}
.contact-info h3{font-size:19px;font-weight:600}
.contact-list{margin-top:18px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.contact-list li:last-child{border-bottom:0}
.contact-list i{color:var(--brand);margin-top:5px}
.contact-list strong{display:block;color:var(--ink);font-size:15px}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--shadow-1)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px}
.field input,.field textarea,.field select{width:100%;border:1px solid var(--line);border-radius:var(--r-input);padding:13px 14px;font-size:15px;font-family:inherit;color:var(--ink);background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,43,.16)}
.field textarea{min-height:120px;resize:vertical}
.field-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}
.form-msg{margin-top:16px;padding:12px 16px;border-radius:12px;background:var(--brand-50);color:var(--brand);font-size:14px;display:none}
.form-msg.is-show{display:block}
.btn-block{width:100%}

/* ---------- 切换分类 ---------- */
.switch-wrap{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.switch-wrap strong{font-size:14px;color:var(--ink)}
.switch-tag{display:inline-flex;align-items:center;padding:8px 18px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--body)}
.switch-tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50)}
.switch-tag.is-current{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px}
.site-footer .row{max-width:1200px;margin:0 auto}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px}
.footer-logo{display:inline-block;font-size:20px;font-weight:800;color:#fff}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.9;max-width:340px;color:rgba(255,255,255,.62)}
.site-footer ul li{margin-bottom:10px;font-size:14px}
.site-footer ul li a{color:rgba(255,255,255,.72)}
.site-footer ul li a:hover{color:var(--lime)}
.footer-contact li{color:rgba(255,255,255,.62)}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12px;color:rgba(255,255,255,.6)}

@media (max-width:1023px){
  .section{padding:72px 0}
  .venue-grid{gap:20px}
  .facility-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .flow-grid::before{display:none}
  .scene-panel{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media (max-width:940px){
  .dock-nav,.dock-cta{display:none}
  .dock-toggle{display:flex}
  .dock{justify-content:space-between}
  .notice-bar{grid-template-columns:1fr}
}
@media (max-width:639px){
  body{padding-top:92px;font-size:15px}
  .site-header{padding:12px 16px}
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .hero-banner{padding:32px 24px;border-radius:18px}
  .hero-actions .btn{width:100%}
  .venue-grid{grid-template-columns:1fr;gap:16px}
  .facility-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .btn{height:46px;padding:0 22px;font-size:15px}
  .cta-band{padding:28px 22px}
  .contact-form{padding:24px}
  .field-row{grid-template-columns:1fr}
  .site-footer{padding:56px 0 24px;margin-top:56px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .venue-card:hover,.facility:hover,.scene:hover,.btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#0F6B57;
  --brand-600:#0B5344;
  --brand-50:#E8F2EF;
  --accent:#FF6A2B;
  --accent-600:#E2541A;
  --lime:#CDEB4F;
  --ink:#101B18;
  --body:#4C5A56;
  --muted:#7A8783;
  --line:#E2E7E3;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow-sm:0 2px 4px rgba(16,27,24,.04),0 10px 28px rgba(16,27,24,.06);
  --shadow-lg:0 16px 36px rgba(16,27,24,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--body);
  background:var(--bg);
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
button{font-family:inherit}
strong{font-variant-numeric:tabular-nums}
a:focus-visible,button:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:999px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ============ 浮动 Dock 导航 ============ */
.site-header{position:fixed;top:0;left:0;right:0;z-index:90;padding:16px 24px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);
  border-radius:999px;
  box-shadow:0 8px 32px rgba(16,27,24,.12);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--ink)}
.dock-brand:hover{color:var(--ink)}
.brand-mark{position:relative;display:inline-block;width:30px;height:30px;flex-shrink:0}
.brand-mark i{position:absolute;display:block}
.brand-mark i:first-child{width:18px;height:18px;left:0;top:1px;background:var(--brand);border-radius:6px;transform:skewX(-12deg)}
.brand-mark i:last-child{width:13px;height:13px;right:0;bottom:0;background:var(--accent);border-radius:999px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.dock-nav a{
  position:relative;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:background .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{background:var(--brand-50);color:var(--brand)}
.dock-nav a.is-active{color:var(--accent)}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:999px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:10px}
.dock-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;
  border-radius:999px;background:var(--accent);color:#fff;
  font-size:15px;font-weight:700;transition:background .18s var(--ease),transform .18s var(--ease);
}
.dock-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.dock-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border:1px solid var(--line);
  border-radius:999px;background:#fff;cursor:pointer;
}
.dock-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-drawer{
  position:fixed;inset:0;z-index:120;display:none;
  background:var(--ink);padding:104px 28px 40px;
}
.nav-drawer.is-open{display:block}
.nav-drawer a{
  display:block;color:#fff;font-size:18px;font-weight:600;line-height:56px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.nav-drawer a:hover{color:var(--lime)}
.nav-drawer a.is-active{color:var(--lime)}
.nav-drawer .drawer-cta{
  margin-top:28px;display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:999px;background:var(--accent);
  color:#fff;font-weight:700;border:0;line-height:1;
}
.drawer-close{
  position:absolute;top:26px;right:26px;width:44px;height:44px;
  border-radius:999px;border:1px solid rgba(255,255,255,.28);
  background:transparent;color:#fff;font-size:20px;cursor:pointer;
}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;
  transition:background .18s var(--ease),transform .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-600)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:var(--lime);color:var(--ink)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.14);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-size:15px;font-weight:600}
.link-arrow::after{content:"›";font-size:18px;line-height:1;transition:transform .18s var(--ease)}
.link-arrow:hover{gap:9px;color:var(--accent-600)}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--brand-50);color:var(--brand)}
.tag-lime{background:var(--lime);color:var(--ink)}
.section{padding:96px 0}
.section-tight{padding-top:56px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{
  display:flex;align-items:center;font-size:clamp(24px,3vw,34px);font-weight:700;margin-bottom:14px;
}
.section-head h2::before{
  content:"";display:inline-block;width:6px;height:24px;border-radius:999px;
  background:var(--brand);margin-right:12px;flex-shrink:0;
}
.section-head p{font-size:16px;color:var(--body);margin:0}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 面包屑 ============ */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;margin-bottom:24px}
.crumbs a{color:rgba(255,255,255,.85)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(255,255,255,.45)}
.crumbs .now{color:rgba(255,255,255,.66)}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;
  padding:152px 0 84px;
  border-radius:0 0 36px 36px;
  overflow:hidden;
  background-image:linear-gradient(105deg,rgba(16,27,24,.94) 0%,rgba(11,83,68,.82) 52%,rgba(16,27,24,.5) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover,cover;
  background-position:center,center;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:340px;height:340px;
  border:1px solid rgba(205,235,79,.35);border-radius:50%;pointer-events:none;
}
.page-hero .hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:56px;align-items:center;position:relative;z-index:2}
.page-hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;margin-bottom:18px;
}
.page-hero .hero-sub{color:rgba(255,255,255,.86);font-size:17px;line-height:1.8;max-width:560px;margin:0 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;
  padding:7px 15px;border-radius:999px;color:rgba(255,255,255,.92);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
}
.hero-badges span i{color:var(--lime);font-size:12px}
.hero-panel{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:22px;padding:30px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.hero-panel-title{color:#fff;font-size:15px;font-weight:700;margin:0 0 20px;letter-spacing:.02em}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 18px}
.hero-stats strong{display:block;font-size:32px;font-weight:800;color:var(--lime);line-height:1.1;font-variant-numeric:tabular-nums}
.hero-stats small{display:block;font-size:13px;color:rgba(255,255,255,.72);margin-top:6px;line-height:1.6}
.hero-panel .note{
  margin-top:24px;padding-top:18px;border-top:1px solid rgba(255,255,255,.18);
  font-size:13px;color:rgba(255,255,255,.68);line-height:1.7;
}

/* ============ 卡片 ============ */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.card-body p{font-size:15px;line-height:1.75;margin:0 0 16px;color:var(--body)}
.card-body .link-arrow{margin-top:auto}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:6px}
.timeline::before{content:"";position:absolute;left:19px;top:14px;bottom:18px;width:2px;background:var(--line)}
.tl-item{position:relative;padding-left:72px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:999px;
  background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(255,106,43,.26);z-index:2;
}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--shadow-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.tl-body h3{font-size:19px;font-weight:600}
.tl-body p{font-size:15px;margin:0;max-width:820px}
.tl-when{font-size:12px;font-weight:600;color:var(--brand);background:var(--brand-50);padding:4px 12px;border-radius:999px;font-variant-numeric:tabular-nums}

/* ============ 横滑案例 ============ */
.scroller{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 26px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.scroller::-webkit-scrollbar{height:6px}
.scroller::-webkit-scrollbar-track{background:var(--line);border-radius:999px}
.scroller::-webkit-scrollbar-thumb{background:var(--brand);border-radius:999px}
.scroll-card{
  position:relative;flex:0 0 280px;aspect-ratio:3/4;border-radius:var(--r-card);
  overflow:hidden;scroll-snap-align:start;box-shadow:var(--shadow-sm);background:var(--ink);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.scroll-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.scroll-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.scroll-card:hover img{transform:scale(1.05)}
.scroll-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,27,24,0) 38%,rgba(16,27,24,.88) 100%);
  transition:background .22s var(--ease);
}
.scroll-card:hover .veil{background:linear-gradient(180deg,rgba(16,27,24,.22) 26%,rgba(16,27,24,.95) 100%)}
.scroll-card .meta{position:absolute;left:20px;right:20px;bottom:20px;color:#fff;z-index:2}
.scroll-card .meta h3{color:#fff;font-size:19px;font-weight:600;margin-bottom:8px}
.scroll-card .meta span{font-size:12px;color:rgba(255,255,255,.82);letter-spacing:.02em}

/* ============ 深色板块 ============ */
.dark-band{
  background:var(--ink);border-radius:30px;padding:72px 64px;position:relative;overflow:hidden;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.dark-band .inner{position:relative;z-index:2}
.dark-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:14px;display:flex;align-items:center}
.dark-band h2::before{content:"";display:inline-block;width:6px;height:24px;border-radius:999px;background:var(--lime);margin-right:12px;flex-shrink:0}
.dark-band .lead{color:rgba(255,255,255,.72);font-size:16px;max-width:680px;margin-bottom:44px}
.rule-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.rule-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px 24px;transition:background .22s var(--ease),border-color .22s var(--ease);
}
.rule-card:hover{background:rgba(255,255,255,.1);border-color:rgba(205,235,79,.4)}
.rule-card span.num{display:block;font-size:12px;font-weight:700;color:var(--lime);letter-spacing:.12em;margin-bottom:14px}
.rule-card h3{color:#fff;font-size:18px;font-weight:600;margin-bottom:10px}
.rule-card p{color:rgba(255,255,255,.7);font-size:14px;line-height:1.75;margin:0}

/* ============ FAQ ============ */
.event-faq{list-style:none;margin:0;padding:0;border:0;background:transparent}
.event-faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.event-faq .accordion-title{
  position:relative;display:block;border:0;background:transparent;
  padding:22px 60px 22px 24px;font-size:17px;font-weight:600;color:var(--ink);
  transition:color .18s var(--ease);
}
.event-faq .accordion-title:hover{color:var(--brand);background:transparent}
.event-faq .accordion-title::before{
  content:"+";position:absolute;right:24px;top:50%;float:none;margin:0;
  transform:translateY(-50%);font-size:22px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform .2s var(--ease);
}
.event-faq .accordion-item.is-active .accordion-title::before{
  content:"−";transform:translateY(-50%) rotate(180deg);
}
.event-faq .accordion-content{
  border:0;border-top:1px solid var(--line);background:var(--card);
  padding:20px 24px 24px;font-size:15px;line-height:1.85;color:var(--body);
}
.event-faq .accordion-content p{margin:0}

/* ============ CTA 与切换 ============ */
.cta-band{
  background:var(--brand);border-radius:26px;padding:52px 56px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 20px 44px rgba(15,107,87,.22);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;margin:0;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.switch-block{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--shadow-sm);
}
.switch-block h2{font-size:22px;margin-bottom:10px}
.switch-block p{font-size:15px;margin:0 0 22px}
.switch-tags{display:flex;flex-wrap:wrap;gap:12px}
.switch-tags a{
  display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:999px;
  background:var(--brand-50);color:var(--brand);font-size:15px;font-weight:600;
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.switch-tags a:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:80px 0 0;margin-top:96px}
.site-footer .row{margin-left:-12px;margin-right:-12px}
.site-footer .columns{padding-left:12px;padding-right:12px}
.footer-logo{display:inline-block;color:#fff;font-size:20px;font-weight:800;letter-spacing:-.01em;margin-bottom:16px}
.footer-logo:hover{color:var(--lime)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 20px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:12px;font-size:14px;line-height:1.7}
.site-footer a{color:rgba(255,255,255,.72)}
.site-footer a:hover{color:var(--lime)}
.footer-contact li{color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:60px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.55);margin:0}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .rule-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .dock-nav{display:none}
  .dock-toggle{display:flex}
  .dock-actions{margin-left:auto}
  .page-hero{padding:136px 0 68px;border-radius:0 0 28px 28px}
  .page-hero .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-panel{padding:26px}
  .section{padding:72px 0}
  .dark-band{padding:52px 36px;border-radius:24px}
  .cta-band{padding:44px 34px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .site-header{padding:12px 16px 0}
  .dock{padding:8px 12px;gap:10px}
  .brand-text{font-size:16px}
  .section{padding:56px 0}
  .wrap{padding:0 20px}
  .page-hero{padding:124px 0 56px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .rule-grid{grid-template-columns:1fr}
  .dark-band{padding:40px 24px;border-radius:20px}
  .cta-band{padding:36px 24px;border-radius:20px}
  .switch-block{padding:28px 22px}
  .tl-item{padding-left:60px}
  .tl-dot{width:36px;height:36px;font-size:13px}
  .timeline::before{left:17px}
  .tl-body{padding:20px 18px}
  .hero-stats strong{font-size:27px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:639px){
  .dock-cta{display:none}
  .scroll-card{flex:0 0 244px}
  .hero-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --brand:#0F6B57;
  --brand-600:#0B5344;
  --brand-50:#E8F2EF;
  --accent:#FF6A2B;
  --accent-600:#E2541A;
  --lime:#CDEB4F;
  --ink:#101B18;
  --body:#4C5A56;
  --line:#E2E7E3;
  --bg:#F6F8F6;
  --card:#FFFFFF;
  --muted:#7A8783;
  --r-card:18px;
  --r-img:16px;
  --r-input:12px;
  --shadow:0 2px 4px rgba(16,27,24,.04),0 10px 28px rgba(16,27,24,.06);
  --shadow-hover:0 16px 36px rgba(16,27,24,.12);
  --space:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--body);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font-cn);}
p{margin:0;}
ul,ol,dl,dd,dt{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease;}
img{max-width:100%;display:block;border:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 导航 Dock ============ */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 24px;}
.dock{
  max-width:1080px;margin:0 auto;display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.7);border-radius:999px;
  box-shadow:0 8px 32px rgba(16,27,24,.12);padding:10px 14px 10px 18px;
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:30px;height:30px;border-radius:50%;background:var(--brand);display:inline-block;flex:0 0 30px;}
.brand-mark i{position:absolute;top:8px;width:6px;height:14px;border-radius:3px;display:block;}
.brand-mark i:nth-child(1){left:7px;background:#fff;transform:skewX(-12deg);}
.brand-mark i:nth-child(2){left:16px;background:var(--lime);transform:skewX(-12deg);}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-nav a{
  display:inline-block;font-size:15px;font-weight:600;color:var(--ink);
  padding:9px 14px;border-radius:999px;white-space:nowrap;position:relative;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-50);}
.dock-nav a.is-active{color:var(--accent);}
.dock-nav a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:18px;height:3px;border-radius:3px;background:var(--accent);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.dock-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:999px;background:var(--accent);
  color:#fff;font-size:15px;font-weight:700;white-space:nowrap;
  transition:background .2s ease,transform .2s ease;
}
.dock-cta:hover{background:var(--accent-600);transform:translateY(-1px);color:#fff;}
.dock-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:999px;cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}

/* ============ 面包屑 ============ */
.crumbs{padding:130px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs li[aria-current]{color:var(--body);}
.crumbs li:not(:last-child)::after{content:"›";margin-left:8px;color:#B9C4C0;}

/* ============ 分类 Hero ============ */
.cat-hero{padding:34px 0 0;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:6px;
  background:var(--brand-50);color:var(--brand);font-size:12px;font-weight:700;letter-spacing:.02em;
}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
  margin:16px 0 18px;
}
.hero-lead{font-size:17px;line-height:1.85;max-width:44ch;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:16px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:all .22s cubic-bezier(.2,.7,.3,1);
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px);}
.btn-block{width:100%;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-badges li{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--body);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;
}
.hero-badges li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--lime);display:block;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);aspect-ratio:16/11;background:var(--brand-600);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,83,68,.45) 0%,rgba(11,83,68,.05) 55%,rgba(255,106,43,.18) 100%);
}
.hero-media figcaption{
  position:absolute;left:20px;bottom:18px;z-index:2;color:#fff;font-size:13px;
  background:rgba(16,27,24,.42);border-radius:999px;padding:6px 14px;backdrop-filter:blur(6px);
}

/* ============ 通用板块 ============ */
.section{padding:var(--space) 0 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;position:relative;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;width:6px;height:24px;border-radius:4px;background:var(--brand);
}
.section-head p{margin-top:14px;font-size:16px;}

/* ============ 筛选 + 参数列表 ============ */
.filter-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start;}
.filter-rail{position:sticky;top:104px;display:flex;flex-direction:column;gap:16px;}
.rail-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow);}
.rail-card h3{font-size:15px;font-weight:700;margin-bottom:12px;}
.rail-card h3 + .chip-group{margin-bottom:20px;}
.rail-card .chip-group:last-child{margin-bottom:0;}
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--body);font-size:13px;font-weight:600;
  cursor:pointer;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;}
.rail-note{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:18px;font-size:13px;line-height:1.7;color:var(--muted);
  background:#fff;
}
.rail-note strong{display:block;color:var(--ink);font-size:14px;margin-bottom:6px;}

.spec-list{display:flex;flex-direction:column;gap:20px;}
.spec-item{
  display:grid;grid-template-columns:230px 1fr;gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease;
}
.spec-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.spec-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--brand-50);}
.spec-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s cubic-bezier(.2,.7,.3,1);}
.spec-item:hover .spec-media img{transform:scale(1.04);}
.spec-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.spec-top h3{font-size:20px;font-weight:600;line-height:1.4;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:var(--brand-50);color:var(--brand);font-size:12px;font-weight:700;
}
.spec-desc{margin-top:10px;font-size:15px;color:var(--body);}
.spec-params{margin-top:14px;border-top:1px solid var(--line);}
.spec-params .param{display:flex;gap:16px;padding:10px 0;border-bottom:1px solid var(--line);}
.spec-params dt{flex:0 0 92px;font-size:13px;color:var(--muted);}
.spec-params dd{font-size:15px;color:var(--ink);font-weight:600;}
.text-link{
  display:inline-flex;align-items:center;gap:4px;margin-top:14px;
  font-size:14px;font-weight:700;color:var(--accent);
}
.text-link::after{content:"›";transition:transform .2s ease;}
.text-link:hover{color:var(--accent-600);transform:translateX(2px);}

/* ============ 流程 ============ */
.flow-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px 32px;box-shadow:var(--shadow);}
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-item{position:relative;padding-top:6px;}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  background:var(--accent);color:#fff;font-size:15px;font-weight:800;margin-bottom:14px;
}
.flow-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;line-height:1.7;}
.flow-item:not(:last-child)::after{
  content:"";position:absolute;top:25px;right:-12px;width:24px;height:1px;background:var(--line);
}

/* ============ 推荐对比卡 ============ */
.pick-card{
  display:grid;grid-template-columns:1fr 1fr;gap:0;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--shadow);
}
.pick-media{position:relative;min-height:320px;background:var(--brand-600);}
.pick-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.9;}
.pick-media .pick-flag{
  position:absolute;left:20px;top:20px;z-index:2;background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:800;border-radius:6px;padding:6px 12px;
}
.pick-body{padding:34px 32px;display:flex;flex-direction:column;}
.pick-body h3{font-size:22px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.pick-body > p{font-size:15px;}
.pick-list{margin:18px 0 0;border-top:1px solid var(--line);}
.pick-list li{display:flex;justify-content:space-between;gap:16px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;}
.pick-list li span{color:var(--muted);}
.pick-list li strong{color:var(--ink);font-weight:700;}
.pick-body .btn{margin-top:24px;align-self:flex-start;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:#fff;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .2s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s cubic-bezier(.2,.7,.3,1);}
.faq-a p{padding:0 22px 22px;border-top:1px solid var(--line);padding-top:16px;font-size:15px;line-height:1.8;}

/* ============ CTA 与表单 ============ */
.cta-band{margin-top:var(--space);background:var(--ink);color:#fff;padding:64px 0;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.78);font-size:15px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);margin-top:9px;flex:0 0 6px;}
.cta-form{background:#fff;border-radius:var(--r-card);padding:32px;box-shadow:0 18px 40px rgba(0,0,0,.22);color:var(--body);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);background:#fff;
  padding:0 14px;height:48px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;padding:12px 14px;resize:vertical;min-height:110px;line-height:1.7;}
.field input:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,43,.16);outline:none;}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;}

/* ============ 分类互链 ============ */
.switch-band{padding:var(--space) 0 0;}
.switch-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 32px;box-shadow:var(--shadow);}
.switch-card h2{font-size:20px;font-weight:700;margin-bottom:6px;}
.switch-card p{font-size:14px;margin-bottom:18px;}
.switch-links{display:flex;flex-wrap:wrap;gap:10px;}
.switch-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  background:var(--brand-50);color:var(--brand);font-size:14px;font-weight:700;transition:all .2s ease;
}
.switch-links a:hover{background:var(--brand);color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--space);background:var(--brand-600);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.site-footer .row{display:flex;flex-wrap:wrap;margin:0 -12px;}
.site-footer .columns{padding:0 12px 32px;float:none;width:auto;}
.site-footer .small-12{width:100%;}
.footer-logo{display:inline-block;font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em;margin-bottom:14px;}
.footer-logo:hover{color:var(--lime);}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:34ch;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer ul li{font-size:14px;line-height:2;}
.site-footer ul li a{color:rgba(255,255,255,.72);}
.site-footer ul li a:hover{color:var(--lime);}
.footer-contact li{color:rgba(255,255,255,.66);}
.footer-bottom{
  margin-top:18px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
}
.footer-bottom p{font-size:12px;color:rgba(255,255,255,.6);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  :root{--space:72px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:2;}
  .filter-layout{grid-template-columns:1fr;}
  .filter-rail{position:static;}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px;}
  .flow-item:nth-child(2)::after{display:none;}
  .pick-card{grid-template-columns:1fr;}
  .pick-media{min-height:240px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .dock-nav a{padding:9px 10px;font-size:14px;}
  .site-footer .medium-6{width:50%;}
  .site-footer .large-5,.site-footer .large-4,.site-footer .large-3{width:50%;}
}
@media screen and (max-width:767px){
  .spec-item{grid-template-columns:1fr;gap:18px;}
  .spec-media{aspect-ratio:16/10;}
  .crumbs{padding-top:118px;}
  .dock-cta{display:none;}
}
@media screen and (max-width:639px){
  :root{--space:56px;}
  .wrap{padding:0 20px;}
  .site-header{padding:0 20px;top:12px;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .brand-text{font-size:16px;}
  .dock-toggle{display:inline-flex;}
  .dock-nav{
    position:fixed;left:20px;right:20px;top:86px;display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink);border-radius:22px;padding:12px;box-shadow:0 20px 44px rgba(16,27,24,.32);
  }
  .dock-nav.is-open{display:flex;}
  .dock-nav a{color:#fff;font-size:18px;font-weight:600;line-height:56px;padding:0 16px;border-radius:14px;}
  .dock-nav a:hover{background:rgba(255,255,255,.1);color:#fff;}
  .dock-nav a.is-active{color:var(--lime);}
  .dock-nav a.is-active::after{display:none;}
  .crumbs{padding-top:104px;}
  .flow{grid-template-columns:1fr;}
  .flow-item::after{display:none;}
  .hero-badges li{font-size:12px;}
  .spec-params .param{flex-direction:column;gap:2px;}
  .spec-params dt{flex:none;}
  .cta-band{padding:48px 0;}
  .cta-form{padding:24px;}
  .switch-card{padding:24px;}
  .site-footer .medium-6,.site-footer .large-5,.site-footer .large-4,.site-footer .large-3{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .spec-item:hover{transform:none;}
  .spec-item:hover .spec-media img{transform:none;}
}