/* roulang page: index */
:root{
  --brand:#0E3B2E;
  --brand-dark:#0A2A20;
  --brand-mid:#17563F;
  --brand-light:#E7EFE9;
  --lime:#C4E538;
  --lime-light:#E4F49B;
  --orange:#F25C1F;
  --orange-dark:#D44B12;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --surface-2:#EFEEE8;
  --dark:#0E1F1A;
  --text:#1B1F1C;
  --text-2:#5A635C;
  --text-3:#8B938C;
  --line:#E4E2DA;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1E8E5A;
  --warn:#D98324;
  --err:#C0392B;
  --r-card:14px;
  --r-big:20px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(15,32,26,.06), 0 12px 28px -12px rgba(15,32,26,.18);
  --sh-hover:0 4px 8px rgba(15,32,26,.08), 0 22px 40px -16px rgba(15,32,26,.26);
  --sh-nav:0 6px 20px -12px rgba(15,32,26,.35);
  --pad-sec:96px;
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:#6f8c1f;text-decoration:underline;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;letter-spacing:.02em;color:var(--brand-dark);}
p{margin:0 0 1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;}
.container-wide{max-width:1360px;margin:0 auto;padding:0 24px;}
.tnum,.stat-num,.step-num{font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:13px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;}
.topbar a{color:rgba(255,255,255,.86);}
.topbar a:hover{color:var(--lime);text-decoration:none;}
.topbar .tb-left{display:flex;align-items:center;gap:8px;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.nav-main{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease;}
.site-header.is-stuck .nav-main{height:60px;}
.site-header.is-stuck .topbar{display:none;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.logo:hover{text-decoration:none;}
.logo-mark{width:38px;height:38px;flex:0 0 auto;border-radius:11px;background:var(--brand-dark);display:flex;align-items:center;justify-content:center;}
.logo-mark svg{width:22px;height:22px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:18px;font-weight:800;color:var(--brand-dark);letter-spacing:.02em;}
.logo-text span{font-size:11px;color:var(--text-3);letter-spacing:.14em;}
.nav-search{flex:1 1 auto;max-width:560px;min-width:0;}
.search-form{position:relative;display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);height:46px;padding:0 6px 0 14px;transition:border-color .18s ease, box-shadow .18s ease;}
.search-form:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.35);}
.search-form svg{width:19px;height:19px;flex:0 0 auto;stroke:var(--text-2);}
.search-form input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;height:44px;padding:0 10px;font-size:15px;color:var(--text);font-family:inherit;}
.search-form input::placeholder{color:var(--text-3);}
.search-form button{flex:0 0 auto;height:34px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14.5px;cursor:pointer;transition:background .18s ease,transform .12s ease;}
.search-form button:hover{background:var(--brand-mid);}
.search-form button:active{transform:translateY(1px);}
.nav-links{display:flex;align-items:center;gap:22px;flex:0 0 auto;}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;}
.nav-links a:hover{color:var(--brand-dark);text-decoration:none;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-dark);font-weight:700;}
.nav-cta{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;border-radius:var(--r-btn);background:var(--orange);color:#fff;font-size:15px;font-weight:700;transition:background .18s ease,transform .12s ease;white-space:nowrap;}
.nav-cta:hover{background:var(--orange-dark);color:#fff;text-decoration:none;transform:translateY(-1px);}
.nav-cta:active{transform:translateY(1px);}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center;cursor:pointer;}
.burger span{display:block;width:18px;height:2px;background:var(--brand-dark);position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.mobile-bar{display:none;padding:0 16px 12px;}
.chips{display:none;gap:8px;overflow-x:auto;padding:0 16px 12px;scrollbar-width:none;-webkit-overflow-scrolling:touch;}
.chips::-webkit-scrollbar{display:none;}
.chips a{flex:0 0 auto;font-size:14px;padding:7px 14px;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--text-2);background:#fff;}
.chips a.active{color:var(--brand-dark);font-weight:700;border-color:var(--lime);}
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.5);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;padding:18px 18px 26px;}
.drawer.open{transform:translateX(0);}
.drawer .drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;}
.drawer .drawer-head b{font-size:16px;color:var(--brand-dark);}
.drawer .close-x{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--text-2);}
.drawer .drawer-search{display:flex;align-items:center;gap:8px;border:1px solid var(--line);border-radius:var(--r-pill);height:44px;padding:0 14px;margin-bottom:14px;}
.drawer .drawer-search input{border:0;outline:0;flex:1 1 auto;font-size:15px;font-family:inherit;background:transparent;}
.drawer nav a{display:flex;align-items:center;height:52px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer nav a.active{color:var(--brand-dark);font-weight:700;}

/* ---------- 按钮体系 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15.5px;font-weight:700;cursor:pointer;border:1px solid transparent;transition:background .18s ease,color .18s ease,transform .12s ease,border-color .18s ease;}
.btn:hover{text-decoration:none;transform:translateY(-1px);}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);color:#fff;}
.btn-secondary{background:var(--brand);color:#fff;}
.btn-secondary:hover{background:var(--brand-mid);color:#fff;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-light);}
.btn-ghost-dark{background:transparent;color:var(--brand-dark);border-color:var(--line);}
.btn-ghost-dark:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-light);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--brand-dark);}
.text-link svg{width:16px;height:16px;transition:transform .18s ease;}
.text-link:hover{text-decoration:none;color:var(--brand-mid);}
.text-link:hover svg{transform:translateX(3px);}

/* ---------- 通用标签 ---------- */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13.5px;font-weight:700;letter-spacing:.02em;}
.badge-lime{background:var(--lime-light);color:var(--brand-dark);}
.badge-soft{background:var(--surface-2);color:var(--text-2);}
.badge-outline{border:1px solid var(--lime);color:var(--lime-light);background:rgba(196,229,56,.12);}
.meta{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);}
.meta svg{width:15px;height:15px;stroke:currentColor;}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;}
.hero-bg{position:absolute;inset:0;}
.hero-bg img{width:100%;height:100%;object-fit:cover;}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(14,59,46,.94),rgba(14,31,26,.76));}
.hero-inner{position:relative;z-index:2;padding:88px 0 120px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,4.2vw,46px);color:#fff;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:26px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);border:1px solid var(--line-dark);background:rgba(255,255,255,.06);font-size:13.5px;color:rgba(255,255,255,.88);}
.hero-visual{position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line-dark);aspect-ratio:4/3;}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-stat{position:absolute;left:0;bottom:0;background:var(--brand-dark);border-top-right-radius:14px;padding:16px 22px;}
.hero-stat b{display:block;font-size:30px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.7);}

/* ---------- 信任带 ---------- */
.trust-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);margin-top:-32px;position:relative;z-index:5;display:grid;grid-template-columns:repeat(4,1fr);}
.trust-band div{padding:22px 24px;border-right:1px solid var(--line);}
.trust-band div:last-child{border-right:0;}
.trust-band b{display:block;font-size:16px;color:var(--brand-dark);margin-bottom:4px;}
.trust-band span{font-size:13.5px;color:var(--text-2);line-height:1.6;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--pad-sec) 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.section-head p{color:var(--text-2);margin:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.16em;color:var(--brand-mid);font-weight:700;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.section-title-row{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap;}

/* ---------- 服务长条列表 ---------- */
.services-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.services-side{position:sticky;top:112px;}
.services-side h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.services-side p{color:var(--text-2);}
.svc-list{border-top:1px solid var(--line);}
.svc-item{position:relative;display:grid;grid-template-columns:64px 1fr 28px;gap:18px;align-items:center;padding:24px 20px 24px 22px;border-bottom:1px solid var(--line);transition:background .2s ease;}
.svc-item::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;background:var(--lime);opacity:0;transition:opacity .2s ease;}
.svc-item:hover{background:var(--surface-2);}
.svc-item:hover::before{opacity:1;}
.svc-num{font-size:40px;font-weight:800;color:var(--lime);line-height:1;font-variant-numeric:tabular-nums;}
.svc-body h3{font-size:20px;margin-bottom:8px;}
.svc-body p{margin:0;color:var(--text-2);font-size:15.5px;}
.svc-arrow{width:24px;height:24px;stroke:var(--text-3);transition:transform .2s ease,stroke .2s ease;}
.svc-item:hover .svc-arrow{transform:translateX(4px);stroke:var(--brand-mid);}

/* ---------- 数据深色区 ---------- */
.stats-band{background:var(--dark);color:#fff;padding:96px 0;}
.stats-band h2{color:#fff;font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.stats-band .lead{color:rgba(255,255,255,.72);max-width:720px;margin-bottom:44px;}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);}
.stat{padding:8px 24px;border-right:1px solid var(--line-dark);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:clamp(34px,4vw,52px);font-weight:800;color:var(--lime);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat span{display:block;margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.62);line-height:1.6;}

/* ---------- 案例区 ---------- */
.case-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;}
.case-col{display:grid;gap:24px;}
.case-card{position:relative;display:block;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-card);transition:box-shadow .22s ease,transform .22s ease;}
.case-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);text-decoration:none;}
.case-media{position:relative;overflow:hidden;background:var(--surface-2);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-media.tall{aspect-ratio:4/3;}
.case-media.wide{aspect-ratio:16/9;}
.case-media::after{content:"";position:absolute;inset:auto 0 0 0;height:62%;background:linear-gradient(to top,rgba(14,31,26,0),rgba(14,31,26,.82));transition:opacity .25s ease;}
.case-card:hover .case-media::after{opacity:.92;}
.case-cap{position:absolute;left:18px;bottom:16px;z-index:2;}
.case-cap h3{color:#fff;font-size:20px;margin-top:10px;}
.case-body{padding:20px 22px 24px;}
.case-body p{margin:0;font-size:15px;color:var(--text-2);}

/* ---------- 最新信息 ---------- */
.news-wrap{display:grid;gap:24px;}
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .22s ease,transform .22s ease;}
.news-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.news-card a{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card a:hover{text-decoration:none;}
.news-media{position:relative;overflow:hidden;background:var(--surface-2);aspect-ratio:16/9;border-bottom:1px solid var(--line);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:20px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:15px;color:var(--text-2);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body .meta{margin-top:auto;}
.news-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-hero{display:grid;grid-template-columns:6fr 6fr;gap:0;}
.news-hero .news-media{aspect-ratio:16/10;border-bottom:0;border-right:1px solid var(--line);}
.news-hero .news-body{padding:32px 34px;}
.news-hero .news-body h3{font-size:24px;}
.empty-state{border:2px dashed #D8D5CB;background:var(--surface-2);border-radius:var(--r-card);padding:56px 24px;text-align:center;}
.empty-state svg{width:40px;height:40px;stroke:var(--text-3);margin-bottom:14px;}
.empty-state p{color:var(--text-2);margin:0 0 18px;}
.pill-link{display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14.5px;font-weight:700;}
.pill-link:hover{background:var(--brand-mid);color:#fff;text-decoration:none;}

/* ---------- 方案对照卡 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:28px 26px;display:flex;flex-direction:column;transition:box-shadow .22s ease,transform .22s ease;}
.plan:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.plan.featured{border-top:3px solid var(--lime);transform:translateY(-16px);}
.plan.featured:hover{transform:translateY(-18px);}
.plan h3{font-size:21px;margin-bottom:8px;}
.plan .plan-lead{font-size:14.5px;color:var(--text-2);margin-bottom:20px;}
.plan ul{border-top:1px solid var(--line);margin-bottom:24px;}
.plan li{display:flex;gap:10px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);}
.plan li svg{width:17px;height:17px;flex:0 0 auto;margin-top:5px;stroke:var(--brand-mid);}
.plan .btn{margin-top:auto;width:100%;}
.plan-badge{position:absolute;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:112px;}
.faq-side h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:14px;}
.faq-side p{color:var(--text-2);}
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card);margin-top:24px;}
.faq-card b{display:block;color:var(--brand-dark);font-size:16px;margin-bottom:6px;}
.faq-card span{font-size:14px;color:var(--text-2);display:block;margin-bottom:14px;}
.faq-list .accordion{border:0;background:transparent;margin:0;}
.faq-list .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-list .accordion-title{border:0;background:transparent;padding:20px 44px 20px 0;font-size:17.5px;font-weight:700;color:var(--brand-dark);position:relative;transition:color .18s ease;}
.faq-list .accordion-title:hover{color:var(--brand-mid);background:transparent;text-decoration:none;}
.faq-list .accordion-title::before{display:none;}
.faq-list .accordion-title::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:24px;font-weight:400;color:var(--brand-mid);transition:transform .22s ease;line-height:1;}
.faq-list .accordion-item.is-active .accordion-title{color:var(--brand-mid);}
.faq-list .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(45deg);}
.faq-list .accordion-content{border:0;background:transparent;padding:0 60px 22px 0;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:32px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:8px;}
.field .req{color:var(--orange);}
.field input,.field select,.field textarea{width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;font-size:15.5px;font-family:inherit;color:var(--text);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;}
.field textarea{height:132px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.32);}
.field.error input,.field.error select,.field.error textarea{border-color:var(--err);}
.field .tip{display:block;font-size:14px;color:var(--err);margin-top:6px;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);margin-bottom:22px;}
.check input{width:18px;height:18px;height:18px;margin-top:4px;flex:0 0 auto;}
.form-ok{display:none;background:#EDF7F1;border:1px solid #BFE3D0;color:#136B43;border-radius:var(--r-btn);padding:12px 16px;font-size:14.5px;margin-bottom:18px;}
.form-ok.show{display:block;}
.info-card{background:var(--dark);color:#fff;border-radius:var(--r-card);padding:34px 30px;border:1px solid var(--line-dark);}
.info-card h3{color:#fff;font-size:21px;margin-bottom:18px;}
.info-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line-dark);}
.info-list li:last-child{border-bottom:0;}
.info-list svg{width:20px;height:20px;flex:0 0 auto;stroke:var(--lime);margin-top:4px;}
.info-list b{display:block;font-size:15px;color:rgba(255,255,255,.92);font-weight:600;}
.info-list span{font-size:14px;color:rgba(255,255,255,.6);}
.qr-box{margin-top:22px;display:flex;gap:16px;align-items:center;border:1px dashed var(--line-dark);border-radius:var(--r-img);padding:14px;}
.qr-box .qr{width:74px;height:74px;border-radius:10px;background:rgba(255,255,255,.08);border:1px solid var(--line-dark);display:flex;align-items:center;justify-content:center;}
.qr-box .qr svg{width:30px;height:30px;stroke:var(--lime);}
.qr-box p{margin:0;font-size:13.5px;color:rgba(255,255,255,.62);}

/* ---------- 图片容器兜底 ---------- */
.img-frame{border-radius:var(--r-img);border:1px solid var(--line);overflow:hidden;background:var(--surface-2);}
.img-frame img{width:100%;height:100%;object-fit:cover;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.66);padding:72px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:4fr 2.5fr 2.5fr 3fr;gap:40px;padding-bottom:48px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.04em;}
.site-footer .f-brand b{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px;}
.site-footer .f-brand p{color:rgba(255,255,255,.6);margin:0 0 16px;max-width:340px;}
.site-footer ul li{margin-bottom:12px;}
.site-footer ul a{color:rgba(255,255,255,.66);}
.site-footer ul a:hover{color:var(--lime);text-decoration:none;}
.site-footer .f-contact li{display:flex;gap:10px;color:rgba(255,255,255,.62);margin-bottom:14px;}
.site-footer .f-contact svg{width:18px;height:18px;stroke:var(--lime);flex:0 0 auto;margin-top:4px;}
.footer-bottom{border-top:1px solid var(--line-dark);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.6);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--pad-sec:72px;}
  .nav-search{max-width:340px;}
  .nav-links{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-inner{padding:64px 0 96px;}
  .services-grid,.faq-grid,.contact-grid{grid-template-columns:1fr;gap:32px;}
  .services-side,.faq-side{position:static;top:auto;}
  .case-grid{grid-template-columns:1fr;}
  .news-hero{grid-template-columns:1fr;}
  .news-hero .news-media{border-right:0;border-bottom:1px solid var(--line);}
  .news-grid-3{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:1fr;gap:20px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-2px);}
  .stats-grid{grid-template-columns:repeat(3,1fr);row-gap:32px;}
  .stat:nth-child(3n){border-right:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container,.container-wide{padding:0 16px;}
  .topbar{display:none;}
  .nav-main{height:64px;gap:14px;}
  .nav-search,.nav-cta{display:none;}
  .burger{display:flex;margin-left:auto;}
  .mobile-bar{display:block;}
  .mobile-bar .search-form{height:44px;}
  .chips{display:flex;}
  .hero-inner{padding:48px 0 84px;}
  .hero h1{font-size:clamp(24px,7.4vw,32px);}
  .hero-actions .btn{width:100%;}
  .trust-band{grid-template-columns:1fr 1fr;margin-top:-40px;}
  .trust-band div{border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px;}
  .trust-band div:nth-child(2n){border-right:0;}
  .trust-band div:nth-last-child(-n+2){border-bottom:0;}
  .svc-item{grid-template-columns:48px 1fr;gap:14px;padding:20px 14px;}
  .svc-num{font-size:32px;}
  .svc-arrow{display:none;}
  .stats-band{padding:64px 0;}
  .stats-grid{grid-template-columns:1fr 1fr;row-gap:28px;}
  .stat{padding:6px 14px;border-right:0;border-bottom:1px solid var(--line-dark);}
  .stat:nth-child(3n){border-right:0;}
  .news-grid-3{grid-template-columns:1fr;}
  .news-hero .news-body{padding:24px 20px;}
  .news-body h3{font-size:18.5px;}
  .form-card{padding:22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section{padding:56px 0;}
  .faq-list .accordion-content{padding-right:16px;}
}
@media screen and (max-width:519px){
  .trust-band{grid-template-columns:1fr;}
  .trust-band div{border-right:0;}
  .trust-band div:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .trust-band div:last-child{border-bottom:0;}
  .stats-grid{grid-template-columns:1fr;}
  .plan{padding:22px 20px;}
}

/* roulang page: article */
:root{
  --c-primary:#0E3B2E;
  --c-primary-dark:#0A2A20;
  --c-primary-mid:#17563F;
  --c-primary-soft:#E7EFE9;
  --c-lime:#C4E538;
  --c-lime-soft:#E4F49B;
  --c-orange:#F25C1F;
  --c-orange-dark:#D44B12;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --surface-2:#EFEEE8;
  --dark:#0E1F1A;
  --text:#1B1F1C;
  --text-2:#5A635C;
  --text-3:#8B938C;
  --line:#E4E2DA;
  --line-soft:#D8D5CB;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1E8E5A;
  --warn:#D98324;
  --err:#C0392B;
  --r-card:14px;
  --r-big:20px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(15,32,26,.06), 0 12px 28px -12px rgba(15,32,26,.18);
  --sh-hover:0 4px 8px rgba(15,32,26,.08), 0 22px 40px -16px rgba(15,32,26,.26);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--c-primary);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--c-primary-mid);text-decoration:underline}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.02em;font-weight:800;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:15.5px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-head h2{font-size:clamp(24px,2.8vw,32px)}
.sec-head p{margin-top:10px;color:var(--text-2);font-size:15.5px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--c-primary-mid);letter-spacing:.08em}
.eyebrow::before{content:"";width:20px;height:2px;background:var(--c-lime);display:block}
.muted{color:var(--text-2)}
.weak{color:var(--text-3)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .18s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  text-decoration:none;white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 10px 24px -14px rgba(242,92,31,.8)}
.btn-primary:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-1px)}
.btn-secondary{background:var(--c-primary);color:#fff}
.btn-secondary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-primary)}
.link-more svg{transition:transform .2s var(--ease)}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 徽标 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:700;letter-spacing:.02em;line-height:1;
}
.badge-lime{background:var(--c-lime-soft);color:var(--c-primary-dark)}
.badge-outline{border:1px solid rgba(196,229,56,.55);color:var(--c-lime);background:transparent}
.badge-soft{background:var(--surface-2);color:var(--c-primary-dark)}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  font-size:14px;transition:all .2s var(--ease);
}
.tag:hover{border-color:var(--c-lime);color:var(--c-primary-dark);background:var(--c-primary-soft);text-decoration:none}
.meta-item{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--text-3)}
.meta-item svg{flex:none}

/* ---------- 顶部工具条 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:13px;height:34px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar a{color:var(--c-lime);font-weight:700}
.topbar a:hover{color:var(--c-lime-soft);text-decoration:none}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,246,242,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -12px rgba(15,32,26,.45)}
.site-header.is-scrolled .topbar{display:none}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:72px;transition:min-height .25s var(--ease)}
.is-scrolled .nav-inner{min-height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand:hover{text-decoration:none}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--c-primary);display:grid;place-items:center;
}
.logo-mark svg{width:21px;height:21px}
.brand-text{font-size:19px;font-weight:800;color:var(--c-primary-dark);letter-spacing:.01em;white-space:nowrap}
.nav-search-wrap{flex:1 1 auto;display:flex;justify-content:center;min-width:0}
.nav-search{
  display:flex;align-items:center;gap:10px;width:100%;max-width:560px;
  height:46px;padding:0 6px 0 18px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(196,229,56,.28)}
.nav-search svg{flex:none;stroke:var(--text-2)}
.nav-search input{
  flex:1;min-width:0;height:42px;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  flex:none;height:36px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14.5px;font-weight:700;cursor:pointer;
  transition:background .2s var(--ease);
}
.nav-search button:hover{background:var(--c-primary-dark)}
.nav-right{display:flex;align-items:center;flex:none}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;font-weight:600;color:var(--text);border-radius:8px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-links a:hover{color:var(--c-primary-dark);background:var(--c-primary-soft);text-decoration:none}
.nav-links a.active{color:var(--c-primary-dark);font-weight:800}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-lime);border-radius:2px;
}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  width:auto;height:42px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--surface);color:var(--c-primary-dark);font-size:15px;font-weight:700;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--c-lime);background:var(--c-primary-soft)}
.mobile-bar{padding-bottom:14px}
.mobile-search{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 6px 0 16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-pill);
}
.mobile-search:focus-within{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(196,229,56,.28)}
.mobile-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;height:40px;font-size:15px}
.mobile-search input::placeholder{color:var(--text-3)}
.mobile-search button{
  flex:none;height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
}
.chips-scroll{
  position:relative;margin-top:12px;padding-right:36px;overflow-x:auto;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.chips-scroll::-webkit-scrollbar{display:none}
.chips-scroll::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:36px;pointer-events:none;
  background:linear-gradient(90deg,rgba(247,246,242,0),var(--bg));
}
.chips{display:flex;gap:8px;white-space:nowrap}
.chips a{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);
}
.chips a:hover{border-color:var(--c-lime);color:var(--c-primary-dark);text-decoration:none}
.chips a.active{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary-dark)}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;z-index:200;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:16px;color:var(--c-primary-dark)}
.drawer-close{
  width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:var(--surface);
  color:var(--text-2);font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:hover{border-color:var(--c-lime);color:var(--c-primary-dark)}
.drawer-body{padding:16px 20px;overflow-y:auto;flex:1}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:var(--surface-2);margin-bottom:16px}
.drawer-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:15px}
.drawer-search button{flex:none;height:32px;padding:0 14px;border:0;border-radius:var(--r-pill);background:var(--c-primary);color:#fff;font-weight:700;font-size:13.5px}
.drawer-links li{border-bottom:1px solid var(--line)}
.drawer-links a{display:flex;align-items:center;justify-content:space-between;height:52px;font-size:15.5px;font-weight:600;color:var(--text)}
.drawer-links a:hover{color:var(--c-primary-dark);text-decoration:none}
.drawer-links a.active{color:var(--c-primary-dark)}
.drawer-links a.active::before{content:"";width:3px;height:18px;background:var(--c-lime);border-radius:2px;margin-right:10px}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,31,26,.42);z-index:190;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 文章头部 ---------- */
.article-head{padding:36px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);font-weight:600}
.breadcrumb a:hover{color:var(--c-primary-dark)}
.breadcrumb .sep{color:var(--line-soft);font-weight:400}
.breadcrumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin:22px 0 16px}
.head-title{
  font-size:clamp(26px,4vw,40px);line-height:1.32;letter-spacing:.02em;
  color:var(--text);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.head-lead{
  font-size:16px;color:var(--text-2);max-width:820px;line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.head-divider{height:1px;background:var(--line);margin:32px 0 0}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:40px 0 88px}
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:56px;align-items:start}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.85;color:var(--text);max-width:760px}
.article-body > p:first-of-type{font-size:17.5px;color:var(--text)}
.article-body p{margin-bottom:1.2em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);margin:40px 0 14px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;
  background:var(--c-lime);border-radius:2px;
}
.article-body h3{font-size:19.5px;margin:28px 0 10px}
.article-body h4{font-size:17.5px;margin:22px 0 8px}
.article-body ul,.article-body ol{margin:0 0 1.2em 1.4em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:10px}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-img) var(--r-img) 0;
  color:#233229;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{width:auto;max-width:100%;height:auto;border-radius:var(--r-img);border:1px solid var(--line);margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-mid)}
.article-body strong{font-weight:800}
.article-body table{width:100%;border-collapse:collapse;font-size:15.5px;min-width:520px}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-img);margin:26px 0;background:var(--surface)}
.article-body th{background:var(--surface-2);text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);font-weight:700}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-img);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0;
}
.article-body code{background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.92em}
.article-body pre code{background:transparent;padding:0}
.article-body hr{border:0;height:1px;background:var(--line);margin:36px 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:2px dashed var(--line-soft);background:var(--surface-2);border-radius:var(--r-card);
  padding:64px 32px;text-align:center;
}
.empty-state svg{margin:0 auto 16px;stroke:var(--text-3)}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15.5px}
.empty-state .actions{margin-top:22px;display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px;
}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:15px;background:var(--c-lime);border-radius:2px}
.mini-list{display:flex;flex-direction:column}
.mini-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:flex-start}
.mini-item:last-child{border-bottom:0;padding-bottom:0}
.mini-item:first-child{padding-top:0}
.mini-thumb{
  width:72px;height:72px;flex:none;border-radius:10px;overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);position:relative;
}
.mini-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.mini-item:hover .mini-thumb img{transform:scale(1.06)}
.mini-body{min-width:0}
.mini-body a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14.5px;font-weight:700;line-height:1.55;color:var(--text);
}
.mini-body a:hover{color:var(--c-primary-dark);text-decoration:none}
.mini-body .meta-item{margin-top:6px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.side-cta{background:var(--dark);border:1px solid var(--line-dark);border-radius:var(--r-card);padding:24px;color:#fff}
.side-cta h3{color:#fff;font-size:17px;display:block;margin-bottom:10px}
.side-cta h3::before{display:none}
.side-cta p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.75;margin-bottom:16px}

/* ---------- 文末 ---------- */
.article-foot{margin-top:56px;padding-top:28px;border-top:1px solid var(--line);max-width:760px}
.foot-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:44px}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:20px 22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-lime);text-decoration:none}
.pager-card span{font-size:13px;color:var(--text-3);font-weight:700;letter-spacing:.06em}
.pager-card b{font-size:16px;color:var(--text);font-weight:800;line-height:1.5}
.pager-card.next{text-align:right}
.foot-return{margin-top:32px}

.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-lime);text-decoration:none}
.rel-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-body h3{
  font-size:17px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body p{
  font-size:14.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-body .meta-item{margin-top:auto;padding-top:16px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);border-radius:var(--r-big);
  padding:48px 44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:620px}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:88px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line-dark);
}
.f-brand b{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:14px}
.f-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:14px}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:800}
.site-footer ul li{margin-bottom:10px}
.site-footer a{color:rgba(255,255,255,.72);font-size:14.5px}
.site-footer a:hover{color:var(--c-lime);text-decoration:none}
.f-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px}
.f-contact svg{width:18px;height:18px;flex:none;stroke:var(--c-lime)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .article-grid{gap:40px}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0}
  .site-header{position:relative}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:34px}
  .sidebar{position:static;top:auto}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px}
  .article-body{max-width:none}
  .article-foot{max-width:none}
}
@media screen and (max-width:639px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .section{padding:56px 0}
  .article-head{padding:24px 0 0}
  .head-title{font-size:24px;-webkit-line-clamp:4}
  .article-wrap{padding:28px 0 56px}
  .article-body{font-size:15.5px}
  .article-body > p:first-of-type{font-size:16px}
  .article-body h2{margin-top:32px;padding-left:12px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .nav-inner{gap:12px;min-height:64px}
  .brand-text{font-size:17px}
  .cta-band{padding:28px 20px}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --green-900:#0A2A20;
  --green-800:#0E3B2E;
  --green-700:#17563F;
  --green-050:#E7EFE9;
  --lime:#C4E538;
  --lime-200:#E4F49B;
  --orange:#F25C1F;
  --orange-600:#D14A12;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --surface-2:#EFEEE8;
  --dark:#0E1F1A;
  --text:#1B1F1C;
  --text-2:#5A635C;
  --text-3:#8B938C;
  --line:#E4E2DA;
  --line-soft:#D8D5CB;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1E8E5A;
  --warn:#D98324;
  --err:#C0392B;
  --r-card:14px;
  --r-dark:20px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(15,32,26,.06), 0 12px 28px -12px rgba(15,32,26,.18);
  --sh-card-hover:0 4px 8px rgba(15,32,26,.08), 0 22px 40px -16px rgba(15,32,26,.26);
  --sh-nav:0 6px 20px -12px rgba(15,32,26,.24);
  --sh-focus:0 0 0 3px rgba(196,229,56,.28);
  --container:1200px;
  --f-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}

/* ============ 2. reset 与基础 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;line-height:1.35;font-weight:800;letter-spacing:.02em;color:var(--text);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:var(--green-700);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--green-900);text-decoration:underline;text-underline-offset:3px;}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}
::selection{background:var(--lime-200);color:var(--green-900);}

/* 覆盖 Foundation 默认味道 */
body,button,input,select,textarea{font-family:var(--f-sans);}
a.button,.button,button.button{
  background:var(--green-800);color:#fff;border-radius:var(--r-btn);
  font-weight:700;padding:0 26px;height:48px;line-height:48px;
}
a{color:var(--green-700);}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent;border:0;}
select{
  -webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A635C' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  padding-right:40px;
}

/* ============ 3. 排版工具 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--surface{background:var(--surface);}
.section--soft{background:var(--surface-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:700;color:var(--green-700);
  letter-spacing:.06em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.8vw,32px);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16.5px;}
.lead{font-size:17.5px;color:var(--text);}
.muted{color:var(--text-2);}
.tiny{font-size:13.5px;color:var(--text-3);}
.num{font-variant-numeric:tabular-nums;}

/* ============ 4. 顶部工具条 ============ */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:13.5px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar a{color:rgba(255,255,255,.82);}
.topbar a:hover{color:var(--lime);text-decoration:none;}
.topbar-tag{display:inline-flex;align-items:center;gap:8px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}

/* ============ 5. 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.nav-main{display:flex;align-items:center;gap:24px;height:72px;}
.site-header.is-stuck .nav-main{height:60px;}

.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--green-900);letter-spacing:.02em;white-space:nowrap;flex:0 0 auto;}
.logo:hover{text-decoration:none;color:var(--green-900);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;background:var(--green-800);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.logo small{display:block;font-size:11.5px;font-weight:600;color:var(--text-3);letter-spacing:.04em;line-height:1;margin-top:3px;}
.logo-text{display:flex;flex-direction:column;}

.nav-search{flex:1 1 auto;display:flex;justify-content:center;min-width:0;}
.search{position:relative;display:flex;align-items:center;width:100%;max-width:540px;height:46px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:0 4px 0 42px;transition:border-color .2s ease,box-shadow .2s ease;}
.search:focus-within{border-color:var(--lime);box-shadow:var(--sh-focus);}
.search > svg{position:absolute;left:16px;width:18px;height:18px;stroke:var(--text-2);fill:none;stroke-width:2;}
.search input{flex:1 1 auto;height:100%;border:0;background:transparent;font-size:15px;min-width:0;}
.search input::placeholder{color:var(--text-3);}
.search button{
  flex:0 0 auto;height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--green-800);color:#fff;font-size:14.5px;font-weight:700;
  transition:background-color .2s ease,transform .15s ease;
}
.search button:hover{background:var(--green-900);}
.search button:active{transform:translateY(1px);}

.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-phone{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:700;color:var(--green-800);}
.nav-phone svg{width:18px;height:18px;stroke:var(--green-700);fill:none;stroke-width:1.8;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:15.5px;font-weight:700;letter-spacing:.01em;border:1px solid transparent;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn:disabled{opacity:.45;cursor:not-allowed;}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-600);color:#fff;transform:translateY(-1px);}
.btn-solid{background:var(--green-800);color:#fff;}
.btn-solid:hover{background:var(--green-900);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--green-800);border-color:var(--line-soft);}
.btn-ghost:hover{background:var(--green-050);color:var(--green-900);border-color:var(--green-700);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:700;color:var(--green-700);}
.link-more svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s ease;}
.link-more:hover{text-decoration:none;color:var(--green-900);}
.link-more:hover svg{transform:translateX(3px);}

.nav-sub{border-top:1px solid var(--line);}
.nav-links{display:flex;align-items:center;gap:28px;height:52px;}
.nav-links a{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:4px 0;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;background:var(--lime);transition:right .22s ease;}
.nav-links a:hover{color:var(--green-900);text-decoration:none;}
.nav-links a:hover::after{right:0;}
.nav-links a.active{color:var(--green-900);font-weight:800;}
.nav-links a.active::after{right:0;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;}
.nav-toggle svg{width:20px;height:20px;stroke:var(--green-800);fill:none;stroke-width:2;}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:84vw;max-width:360px;height:100%;background:#fff;z-index:90;transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head b{font-size:16px;color:var(--green-900);}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);font-size:20px;line-height:1;color:var(--text-2);}
.drawer .search{max-width:none;height:44px;margin-bottom:18px;}
.drawer-nav a{display:flex;align-items:center;height:52px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);font-weight:600;}
.drawer-nav a.active{color:var(--green-800);font-weight:800;}
.drawer-foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);}

/* ============ 6. 面包屑 + 矮 Hero ============ */
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--green-800);}
.crumb span.sep{color:var(--line-soft);}
.crumb .current{color:var(--text-2);}

.cat-hero{position:relative;overflow:hidden;background:var(--green-800);border-radius:0 0 var(--r-dark) var(--r-dark);}
.cat-hero-bg{position:absolute;inset:0;}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.34;}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(14,59,46,.94),rgba(14,31,26,.78));}
.cat-hero-inner{position:relative;z-index:2;padding:74px 0 64px;color:#fff;max-width:820px;}
.cat-hero .crumb{color:rgba(255,255,255,.66);margin-bottom:22px;}
.cat-hero .crumb a{color:rgba(255,255,255,.86);}
.cat-hero .crumb a:hover{color:var(--lime);}
.cat-hero .crumb span.sep{color:rgba(255,255,255,.34);}
.cat-hero .crumb .current{color:rgba(255,255,255,.66);}
.cat-hero h1{font-size:clamp(28px,3.8vw,42px);color:#fff;margin-bottom:18px;}
.cat-hero p{color:rgba(255,255,255,.78);font-size:17px;max-width:700px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.86);font-size:13.5px;font-weight:600;
}

/* ============ 7. 主体两栏 ============ */
.cat-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;}

.side-nav{position:sticky;top:96px;}
.side-nav-title{
  font-size:13.5px;font-weight:800;letter-spacing:.08em;color:var(--text-3);
  margin-bottom:14px;padding-left:2px;
}
.side-nav ul{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);}
.side-nav li + li{border-top:1px solid var(--line);}
.side-nav a{
  position:relative;display:flex;align-items:center;height:60px;padding:0 18px;
  font-size:15.5px;font-weight:600;color:var(--text-2);
  transition:background-color .2s ease,color .2s ease;
}
.side-nav a::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .2s ease;}
.side-nav a:hover{background:var(--surface-2);color:var(--green-900);text-decoration:none;}
.side-nav a.active{color:var(--green-800);font-weight:800;background:var(--green-050);}
.side-nav a.active::before{background:var(--lime);}

.side-card{margin-top:24px;background:var(--dark);border-radius:var(--r-card);padding:22px;color:#fff;}
.side-card h3{color:#fff;font-size:17px;margin-bottom:10px;}
.side-card p{color:rgba(255,255,255,.66);font-size:14.5px;margin-bottom:16px;}
.side-card .btn{width:100%;height:44px;font-size:14.5px;}

/* 正文块 */
.prose{max-width:760px;}
.prose p{color:var(--text-2);}
.prose p:first-of-type{font-size:17.5px;color:var(--text);}

.dot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:36px 0 40px;}
.dot-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.dot-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);border-color:var(--green-050);}
.dot-card .dot-ico{
  width:40px;height:40px;border-radius:11px;background:var(--green-050);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.dot-card .dot-ico svg{width:20px;height:20px;stroke:var(--green-700);fill:none;stroke-width:1.8;}
.dot-card h3{font-size:19px;margin-bottom:8px;}
.dot-card p{color:var(--text-2);font-size:15.5px;margin-bottom:0;}

.figure{margin:8px 0 36px;}
.figure-frame{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:var(--surface-2);}
.figure-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:12px;}

.bullet-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 24px;box-shadow:var(--sh-card);}
.bullet-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);}
.bullet-list li:last-child{border-bottom:0;}
.bullet-list .b-ico{flex:0 0 auto;width:20px;height:20px;margin-top:5px;}
.bullet-list .b-ico svg{width:20px;height:20px;stroke:var(--lime);fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 0 transparent);}
.bullet-list strong{display:block;font-size:16px;margin-bottom:2px;}
.bullet-list span{color:var(--text-2);font-size:15.5px;}

/* ============ 8. 更新节奏时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;position:relative;margin-top:8px;}
.step{position:relative;padding:0 22px 0 0;}
.step-track{display:flex;align-items:center;margin-bottom:18px;}
.step-dot{
  width:30px;height:30px;border-radius:50%;flex:0 0 auto;
  background:#fff;border:2px solid var(--line-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--text-3);
}
.step-line{flex:1 1 auto;height:1px;background:var(--line);}
.step:last-child .step-line{background:transparent;}
.step.is-active .step-dot{background:var(--lime);border-color:var(--lime);color:var(--green-900);}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:15px;color:var(--text-2);margin-bottom:0;max-width:230px;}
.step .step-time{display:block;font-size:13px;color:var(--text-3);margin-bottom:6px;font-variant-numeric:tabular-nums;}

/* ============ 9. 看点卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .25s ease,transform .25s ease;
}
.card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-2px);}
.card-media{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .card-badge{position:absolute;left:14px;top:14px;}
.card-body{padding:22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:19px;margin-bottom:10px;}
.card-body p{color:var(--text-2);font-size:15.5px;margin-bottom:16px;}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.card-meta svg{width:15px;height:15px;stroke:var(--text-3);fill:none;stroke-width:1.8;}

.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700;}
.badge-lime{background:var(--lime-200);color:var(--green-900);}
.badge-soft{background:var(--surface-2);color:var(--text-2);}
.badge-outline{background:rgba(196,229,56,.12);border:1px solid rgba(196,229,56,.5);color:var(--lime-200);}

/* ============ 10. FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-aside{position:sticky;top:96px;max-width:360px;}
.faq-aside h2{font-size:clamp(24px,2.8vw,30px);margin-bottom:12px;}
.faq-aside p{color:var(--text-2);font-size:16px;margin-bottom:22px;}
.faq-aside-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card);}
.faq-aside-card b{display:block;font-size:15.5px;margin-bottom:6px;}
.faq-aside-card span{font-size:14px;color:var(--text-2);display:block;margin-bottom:14px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;font-size:17.5px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--green-800);}
.faq-item.open .faq-q{color:var(--green-800);}
.faq-ico{flex:0 0 auto;width:22px;height:22px;position:relative;}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--green-700);transition:transform .25s ease,background-color .25s ease;}
.faq-ico::before{left:0;top:10px;width:22px;height:2px;}
.faq-ico::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-ico::after{transform:rotate(90deg);background:var(--lime);}
.faq-item.open .faq-ico::before{background:var(--lime);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{color:var(--text-2);font-size:16px;padding:0 34px 22px 0;max-width:720px;}

/* ============ 11. CTA 条 ============ */
.cta-band{background:var(--green-800);border-radius:var(--r-dark);padding:56px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;background:rgba(196,229,56,.08);}
.cta-band h2{color:#fff;font-size:clamp(24px,2.8vw,30px);margin-bottom:10px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:0;max-width:600px;position:relative;z-index:2;}
.cta-band .btn{position:relative;z-index:2;}

/* 相关分类条 */
.rel-links{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.rel-links a{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text-2);box-shadow:var(--sh-card);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.rel-links a:hover{color:var(--green-800);border-color:var(--green-700);transform:translateY(-1px);text-decoration:none;}
.rel-links a svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;}

/* ============ 12. 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.68);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.site-footer a{color:rgba(255,255,255,.68);font-size:15px;}
.site-footer a:hover{color:var(--lime);text-decoration:none;}
.f-brand b{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px;}
.f-brand p{color:rgba(255,255,255,.62);font-size:14.5px;margin-bottom:18px;max-width:340px;}
.footer-grid ul li{margin-bottom:12px;}
.footer-grid ul li:last-child{margin-bottom:0;}
.f-contact li{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.68);font-size:15px;margin-bottom:14px;}
.f-contact svg{width:18px;height:18px;stroke:var(--lime);fill:none;stroke-width:1.8;flex:0 0 auto;}
.footer-bottom{
  border-top:1px solid var(--line-dark);padding:22px 0;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.46);
}

/* ============ 13. 断点 ============ */
@media (max-width:1200px){
  .nav-search{max-width:none;}
  .search{max-width:460px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-grid > div:last-child{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .cat-layout{grid-template-columns:1fr;gap:32px;}
  .side-nav{position:static;}
  .side-nav ul{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
  .side-nav li + li{border-top:0;border-left:1px solid var(--line);}
  .side-nav a{height:56px;padding:0 14px;font-size:14.5px;justify-content:center;text-align:center;}
  .side-nav a::before{top:auto;bottom:0;left:0;right:0;width:auto;height:3px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-aside{position:static;max-width:none;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .step{padding-right:20px;}
  .step:nth-child(2) .step-line{background:transparent;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dot-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .topbar{display:none;}
  .nav-sub{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-phone{display:none;}
  .nav-main{height:64px;gap:14px;}
  .site-header.is-stuck .nav-main{height:60px;}
  .nav-search{order:3;flex:1 0 100%;padding-bottom:14px;}
  .search{max-width:none;height:44px;}
  .cat-hero-inner{padding:56px 0 48px;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:60px 0;}
  .cat-hero h1{font-size:26px;}
  .cat-hero p{font-size:16px;}
  .dot-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step p{max-width:none;}
  .step-line{display:none;}
  .side-nav ul{grid-template-columns:1fr;}
  .side-nav li + li{border-left:0;border-top:1px solid var(--line);}
  .side-nav a{justify-content:flex-start;text-align:left;padding-left:18px;}
  .side-nav a::before{top:0;bottom:0;left:0;right:auto;width:3px;height:auto;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding-right:0;}
  .cta-band{padding:34px 22px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding-top:56px;}
  .bullet-list{padding:4px 18px;}
  .dot-card{padding:20px;}
  .card-body{padding:20px;}
  .rel-links a{width:100%;justify-content:space-between;}
}
@media (max-width:520px){
  .logo{font-size:16px;}
  .logo-mark{width:34px;height:34px;}
  .btn{height:44px;padding:0 20px;font-size:15px;}
  .cat-hero{border-radius:0 0 16px 16px;}
  .search button{padding:0 16px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E3B2E;
  --brand-dark:#0A2A20;
  --brand-mid:#17563F;
  --brand-light:#E7EFE9;
  --lime:#C4E538;
  --lime-light:#E4F49B;
  --orange:#F25C1F;
  --orange-dark:#D44C13;
  --page:#F7F6F2;
  --surface:#FFFFFF;
  --surface-2:#EFEEE8;
  --dark:#0E1F1A;
  --text:#1B1F1C;
  --text-2:#5A635C;
  --text-3:#8B938C;
  --line:#E4E2DA;
  --line-dark:rgba(255,255,255,.10);
  --ok:#1E8E5A;
  --warn:#D98324;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(15,32,26,.06),0 12px 28px -12px rgba(15,32,26,.18);
  --sh-hover:0 4px 8px rgba(15,32,26,.08),0 22px 40px -16px rgba(15,32,26,.26);
  --sec:96px;
  --sec-s:64px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--page);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.35;font-weight:800;letter-spacing:.02em;color:var(--text)}
h1{font-size:clamp(30px,4.2vw,46px)}
h2{font-size:clamp(24px,2.8vw,32px)}
h3{font-size:21px;font-weight:700}
h4{font-size:17px;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0 0 1.2em;padding-left:1.4em}
li{margin-bottom:10px}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
::selection{background:var(--lime-light);color:var(--brand-dark)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-dark);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0;color:#fff}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-sm{padding:var(--sec-s) 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{color:var(--text-2);margin-bottom:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-mid);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px}
.band-dark{background:var(--dark);color:#fff}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark p{color:rgba(255,255,255,.72)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:16px;font-weight:700;border:1px solid transparent;text-decoration:none;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:var(--brand);color:#fff}
.btn-secondary:hover{background:var(--brand-mid);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand-dark)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-light)}
.btn-light{background:#fff;color:var(--brand-dark)}
.btn-light:hover{background:var(--lime-light);color:var(--brand-dark);transform:translateY(-1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--brand)}
.link-more svg{transition:transform .2s ease}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- 徽标 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:14px;font-weight:600;line-height:1}
.badge-lime{background:var(--lime-light);color:var(--brand-dark)}
.badge-soft{background:var(--surface-2);color:var(--text-2)}
.badge-outline{border:1px solid var(--line-dark);color:rgba(255,255,255,.82)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 顶部工具条与导航 ---------- */
.site-header{position:sticky;top:0;z-index:120;background:var(--surface);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px -12px rgba(15,32,26,.5)}
.topbar{background:var(--dark);color:rgba(255,255,255,.76);font-size:13px;height:34px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar a{color:var(--lime-light);font-weight:600}
.topbar a:hover{color:#fff}
.site-header.is-stuck .topbar{display:none}
.nav-wrap{display:flex;align-items:center;gap:22px;height:72px;transition:height .25s ease}
.site-header.is-stuck .nav-wrap{height:60px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--brand-dark);flex:none}
.logo:hover{text-decoration:none;color:var(--brand-dark)}
.logo-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);display:grid;place-items:center;flex:none}
.nav-search{flex:1;max-width:520px;display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .2s ease,box-shadow .2s ease}
.nav-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.28)}
.nav-search svg{flex:none;stroke:var(--text-2)}
.nav-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px}
.nav-search input::placeholder{color:var(--text-3)}
.search-btn{height:36px;padding:0 18px;border:0;border-radius:var(--r-pill);background:var(--brand);color:#fff;font-size:14px;font-weight:700;transition:background-color .2s ease}
.search-btn:hover{background:var(--brand-mid)}
.nav-links{display:flex;align-items:center;gap:22px}
.nav-links a{position:relative;padding:6px 0;font-size:15px;color:var(--text-2);font-weight:500}
.nav-links a:hover{color:var(--brand);text-decoration:none}
.nav-links a.active{color:var(--brand-dark);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;background:var(--lime)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex:none}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark)}
.mobile-bar{display:none;border-top:1px solid var(--line);padding:10px 0 0;background:var(--surface)}
.mobile-bar .container{display:block}
.mobile-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 6px 0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:15px}
.mobile-search:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.28)}
.chips{display:flex;gap:10px;overflow-x:auto;padding:12px 0 14px;scrollbar-width:none;-webkit-mask-image:linear-gradient(90deg,#000 0 88%,transparent 100%);mask-image:linear-gradient(90deg,#000 0 88%,transparent 100%)}
.chips::-webkit-scrollbar{display:none}
.chips a{flex:none;display:inline-flex;align-items:center;height:34px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--text-2);background:#fff}
.chips a.active{color:var(--brand-dark);border-color:var(--lime);background:var(--brand-light)}
.nav-drawer{position:fixed;top:0;right:0;width:84vw;max-width:380px;height:100%;background:var(--surface);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .3s ease;z-index:200;display:flex;flex-direction:column;box-shadow:-18px 0 40px -24px rgba(15,32,26,.4)}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-head b{font-size:16px;color:var(--brand-dark)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:18px;line-height:1;color:var(--text-2)}
.drawer-search{padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-search input{width:100%;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-pill);outline:none;font-size:15px}
.drawer-search input:focus{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.28)}
.drawer-nav{overflow-y:auto;padding:8px 0 24px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-dark);font-weight:700;background:var(--brand-light)}
.drawer-nav a:hover{text-decoration:none;background:var(--surface-2)}
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.42);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:190}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 分类 Hero（浅底 + 青柠细顶线） ---------- */
.cat-hero{position:relative;background:var(--page);border-top:3px solid var(--lime);padding:56px 0 64px;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(180deg,rgba(14,59,46,.05) 0 1px,transparent 1px 10px);opacity:.55;pointer-events:none}
.cat-hero .container{position:relative;z-index:1}
.hero-inner{max-width:760px;margin:0 auto;text-align:center}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--text-3);margin-bottom:22px;justify-content:center}
.breadcrumb a{color:var(--text-2)}
.breadcrumb .sep{color:var(--line);font-weight:700}
.breadcrumb .current{color:var(--brand-dark);font-weight:600}
.cat-hero h1{margin-bottom:18px}
.hero-sub{font-size:17.5px;color:var(--text-2);margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.hero-tags span{display:inline-flex;align-items:center;height:30px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;font-size:14px;color:var(--text-2);font-weight:600}

/* ---------- 概览三卡 ---------- */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ov-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column}
.ov-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D8D5CB}
.ov-ico{width:44px;height:44px;border-radius:12px;background:var(--brand-light);display:grid;place-items:center;margin-bottom:18px}
.ov-ico svg{stroke:var(--brand);fill:none}
.ov-card h3{margin-bottom:10px}
.ov-card p{color:var(--text-2);font-size:16px;margin-bottom:0}

/* ---------- 深色数据带 ---------- */
.metrics-band{padding:var(--sec) 0}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.metric-item{padding:6px 28px;border-left:1px solid var(--line-dark)}
.metric-item:first-child{border-left:0;padding-left:0}
.metric-num{font-size:clamp(38px,4.4vw,54px);font-weight:800;line-height:1.05;color:#fff;letter-spacing:.01em}
.metric-num em{font-style:normal;font-size:20px;font-weight:700;color:var(--lime);margin-left:6px}
.metric-label{margin-top:12px;font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.04em}
.metric-desc{margin-top:6px;font-size:14px;color:rgba(255,255,255,.5)}

/* ---------- 窄栏长文 ---------- */
.narrow{max-width:760px;margin:0 auto}
.narrow p{font-size:17px;color:var(--text)}
.narrow p.lead{font-size:17.5px}
.figure{margin:32px 0 0;border:1px solid var(--line);border-radius:var(--r-img);overflow:hidden;background:var(--surface-2)}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.figure figcaption{padding:12px 16px;font-size:13px;color:var(--text-3);text-align:center;background:var(--surface)}

/* ---------- 指标清单 ---------- */
.spec-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}
.spec-item{position:relative;display:flex;align-items:flex-start;gap:20px;padding:22px 20px 22px 26px;border-bottom:1px solid var(--line);transition:background-color .2s ease}
.spec-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--lime);opacity:0;transition:opacity .2s ease}
.spec-item:hover{background:var(--surface-2)}
.spec-item:hover::before{opacity:1}
.spec-ico{width:40px;height:40px;flex:none;border-radius:10px;background:var(--brand-light);display:grid;place-items:center}
.spec-ico svg{stroke:var(--brand);fill:none}
.spec-body{flex:1;min-width:0}
.spec-body h3{font-size:19px;margin-bottom:6px}
.spec-body p{margin:0;color:var(--text-2);font-size:15.5px;line-height:1.75}
.spec-arrow{flex:none;align-self:center;color:var(--text-3);transition:transform .2s ease,color .2s ease}
.spec-item:hover .spec-arrow{transform:translateX(3px);color:var(--brand)}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-img);background:var(--surface)}
table.data-table{width:100%;min-width:660px;border-collapse:collapse;font-size:15.5px}
table.data-table th,table.data-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
table.data-table th{background:var(--surface-2);font-size:14px;font-weight:700;color:var(--brand-dark);white-space:nowrap}
table.data-table tr:last-child td{border-bottom:0}
table.data-table tbody tr:hover{background:#FBFBF8}
table.data-table td:first-child{font-weight:700;color:var(--brand-dark)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 4px;cursor:pointer;font-size:18px;font-weight:700;color:var(--text);list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-dark)}
.faq-ico{position:relative;width:18px;height:18px;flex:none;transition:transform .25s ease}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-ico::before{left:0;right:0;top:8px;height:2px}
.faq-ico::after{top:0;bottom:0;left:8px;width:2px;transition:opacity .25s ease}
.faq-item[open] summary{color:var(--brand-dark)}
.faq-item[open] .faq-ico{transform:rotate(45deg)}
.faq-item[open] .faq-ico::after{opacity:0}
.faq-answer{padding:0 4px 24px;color:var(--text-2);font-size:16px;max-width:720px}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--brand);border-radius:var(--r-lg);padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff}
.cta-bar h2{color:#fff;margin-bottom:10px;font-size:clamp(22px,2.4vw,28px)}
.cta-bar p{color:rgba(255,255,255,.76);margin:0;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.68);padding:72px 0 0;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:2px}
.site-footer li a{display:flex;align-items:center;min-height:52px;font-size:15px;color:rgba(255,255,255,.68);border-bottom:1px solid var(--line-dark)}
.site-footer li a:hover{color:var(--lime);text-decoration:none;background:rgba(255,255,255,.03)}
.f-brand b{display:flex;align-items:center;gap:10px;font-size:18px;color:#fff;font-weight:800;margin-bottom:16px}
.f-brand .badge{margin-top:14px}
.f-contact li{display:flex;align-items:center;gap:10px;min-height:52px;font-size:15px;color:rgba(255,255,255,.68);border-bottom:1px solid var(--line-dark)}
.f-contact svg{width:20px;height:20px;flex:none;stroke:var(--lime);fill:none}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:22px 0;border-top:1px solid var(--line-dark);font-size:13px;color:rgba(255,255,255,.5)}
.site-footer svg{fill:none}

/* ---------- 工具类 ---------- */
.mt-32{margin-top:32px}
.mt-40{margin-top:40px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .overview-grid{gap:20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .f-contact{grid-column:span 3}
}
@media (max-width:1023px){
  :root{--sec:72px;--sec-s:56px}
  .nav-search,.nav-links{display:none}
  .nav-toggle{display:flex}
  .mobile-bar{display:block}
  .nav-wrap{height:64px;gap:14px;justify-content:space-between}
  .site-header.is-stuck .nav-wrap{height:58px}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:0}
  .metric-item{padding:24px 24px}
  .metric-item:nth-child(odd){border-left:0;padding-left:0}
  .metric-item:nth-child(n+3){border-top:1px solid var(--line-dark)}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .f-contact{grid-column:span 2}
  .site-footer li a,.f-contact li{min-height:48px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 16px}
  .cat-hero{padding:40px 0 48px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto;padding:0 20px}
  .overview-grid{grid-template-columns:1fr}
  .spec-item{gap:14px;padding:20px 16px 20px 20px}
  .faq-item summary{font-size:16.5px;padding:18px 2px}
  .cta-bar{padding:28px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .f-contact{grid-column:span 1}
  .site-footer{margin-top:72px;padding-top:52px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519px){
  h1{font-size:26px}
  h2{font-size:22px}
  .hero-tags span{font-size:13px;height:28px}
  .metric-grid{grid-template-columns:1fr}
  .metric-item{padding:20px 0}
  .metric-item{border-left:0}
  .metric-item + .metric-item{border-top:1px solid var(--line-dark)}
  .nav-drawer{width:88vw}
}

/* roulang page: category3 */
:root{
  --ink:#0E3B2E;
  --ink-d:#0A2A20;
  --ink-m:#17563F;
  --ink-l:#E7EFE9;
  --lime:#C4E538;
  --lime-l:#E4F49B;
  --orange:#F25C1F;
  --orange-d:#D34A10;
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --surface-2:#EFEEE8;
  --dark:#0E1F1A;
  --text:#1B1F1C;
  --text-2:#5A635C;
  --text-3:#8B938C;
  --line:#E4E2DA;
  --line-d:rgba(255,255,255,.10);
  --ok:#1E8E5A;
  --warn:#D98324;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --r-in:10px;
  --sh-1:0 1px 2px rgba(15,32,26,.06), 0 12px 28px -12px rgba(15,32,26,.18);
  --sh-2:0 4px 8px rgba(15,32,26,.08), 0 22px 40px -16px rgba(15,32,26,.26);
  --sec-pad:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  letter-spacing:0;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--ink-d);text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:#4d7a1f;text-decoration:underline}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.35;font-weight:800;letter-spacing:.02em;color:var(--ink-d)}
h1{font-size:clamp(28px,4.2vw,44px)}
h2{font-size:clamp(23px,2.8vw,31px)}
h3{font-size:20px}
h4{font-size:17px;font-weight:700}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-pad) 0}
.section-tight{padding:64px 0}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head p{color:var(--text-2);margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ink-m);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--lime);display:block}

/* ============ 顶部工具条 ============ */
.topbar{background:var(--dark);color:rgba(255,255,255,.72);font-size:13px}
.topbar .container{display:flex;align-items:center;justify-content:space-between;height:34px}
.topbar b{color:var(--lime);font-weight:600}
.topbar a{color:rgba(255,255,255,.82)}
.topbar a:hover{color:var(--lime);text-decoration:none}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#FBFBF8;
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px -12px rgba(15,32,26,.28)}
.site-header.is-stuck .topbar{display:none}
.nav-main{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.is-stuck .nav-main{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none;font-size:19px;font-weight:800;color:var(--ink-d);letter-spacing:.01em}
.brand:hover{text-decoration:none;color:var(--ink-d)}
.logo-mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:var(--ink);display:flex;align-items:center;justify-content:center;
}
.logo-mark svg{width:22px;height:22px}
.nav-search{flex:1;max-width:480px;margin:0 auto;min-width:180px}
.search-shell{
  display:flex;align-items:center;gap:10px;height:46px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:0 6px 0 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-shell:focus-within{border-color:var(--lime);box-shadow:0 0 0 3px rgba(196,229,56,.32)}
.search-shell svg{width:19px;height:19px;flex:none;stroke:var(--text-2)}
.search-shell input{
  flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--text);
}
.search-shell input::placeholder{color:var(--text-3)}
.search-btn{
  flex:none;height:36px;padding:0 20px;border:0;cursor:pointer;
  border-radius:var(--r-pill);background:var(--ink);color:#fff;
  font-size:14px;font-weight:600;transition:background .2s ease,transform .15s ease;
}
.search-btn:hover{background:var(--ink-m)}
.search-btn:active{transform:translateY(1px)}
.nav-links{display:flex;align-items:center;gap:20px;flex:none}
.nav-links a{
  font-size:15px;color:var(--text-2);padding:8px 0;
  border-bottom:2px solid transparent;white-space:nowrap;
}
.nav-links a:hover{color:var(--ink);text-decoration:none;border-bottom-color:var(--lime-l)}
.nav-links a.active{color:var(--ink-d);font-weight:700;border-bottom-color:var(--lime)}
.menu-btn{
  display:none;width:44px;height:44px;flex:none;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface);cursor:pointer;
}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink-d)}
.menu-btn:hover{background:var(--ink-l)}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,31,26,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:80}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:var(--surface);transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px 20px 28px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.drawer-top b{font-size:16px;color:var(--ink-d)}
.drawer-close{width:38px;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--surface-2);cursor:pointer;display:flex;align-items:center;justify-content:center}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink-d)}
.drawer .search-shell{margin-bottom:16px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:52px;padding:0 4px;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{text-decoration:none;color:var(--ink)}
.drawer-nav a.active{color:var(--ink-d);font-weight:700;border-left:3px solid var(--lime);padding-left:12px}
.drawer-nav a svg{width:16px;height:16px;stroke:var(--text-3);flex:none}

/* ============ Hero（上图下文） ============ */
.hero-figure{position:relative;height:clamp(280px,42vw,460px);overflow:hidden;background:var(--ink-d)}
.hero-figure img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,32,.55),rgba(10,42,32,.42) 42%,rgba(14,31,26,.92));
}
.hero-figure .container{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:52px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--lime);text-decoration:none}
.breadcrumb .sep{width:1px;height:12px;background:rgba(255,255,255,.34);display:inline-block}
.breadcrumb .current{color:var(--lime)}
.hero-figure h1{color:#fff;margin-bottom:0;text-shadow:0 2px 18px rgba(0,0,0,.28)}
.hero-figure .hero-badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(196,229,56,.7);color:var(--lime);
  font-size:13px;font-weight:700;margin-bottom:16px;background:rgba(14,31,26,.42);
}
.hero-intro{margin-top:-40px;position:relative;z-index:5}
.hero-intro-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:32px 34px;
  display:grid;grid-template-columns:1.45fr .85fr;gap:34px;align-items:center;
}
.hero-intro-card p{color:var(--text-2);margin-bottom:20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--text-2);font-size:13px;white-space:nowrap;
}
.tag.tag-lime{background:var(--lime-l);color:var(--ink-d);font-weight:600}
.hero-actions{display:flex;flex-direction:column;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;text-align:center;
  transition:background .2s ease,color .2s ease,transform .15s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 22px -12px rgba(242,92,31,.7)}
.btn-primary:hover{background:var(--orange-d);color:#fff}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-m);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-d)}
.btn-ghost:hover{background:var(--ink-l);border-color:var(--ink-l);color:var(--ink-d)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-d)}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;transition:transform .2s ease}
.link-arrow:hover{color:#4d7a1f;text-decoration:none}
.link-arrow:hover svg{transform:translateX(3px)}

/* ============ 步骤条 ============ */
.steps-wrap{position:relative;padding-top:8px}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:22px;height:1px;background:var(--line);z-index:0}
.step{position:relative;z-index:2;padding:0 14px;text-align:left}
.step-dot{
  width:44px;height:44px;border-radius:50%;background:var(--surface);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;color:var(--ink-m);margin-bottom:16px;
}
.step.is-current .step-dot{background:var(--lime);border-color:var(--lime);color:var(--ink-d);box-shadow:0 0 0 5px rgba(196,229,56,.22)}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.75;color:var(--text-2);margin-bottom:0}
.step-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:10px}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split.reverse .split-media{order:2}
.media-frame{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);box-shadow:var(--sh-1);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;transition:transform .35s ease}
.media-frame:hover img{transform:scale(1.03)}
.split h2{margin-bottom:16px}
.split p{color:var(--text-2)}
.check-list{margin-top:6px}
.check-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);
  font-size:16px;color:var(--text);
}
.check-list li:last-child{border-bottom:0}
.check-list svg{width:20px;height:20px;flex:none;stroke:var(--ink-m);margin-top:5px}
.check-list b{font-weight:700;color:var(--ink-d)}
.check-list span{color:var(--text-2)}

/* 深色数据带 */
.stat-band{background:var(--dark);color:#fff;padding:88px 0}
.stat-band .sec-head p{color:rgba(255,255,255,.68)}
.stat-band .eyebrow{color:var(--lime-l)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:0 26px;border-left:1px solid var(--line-d)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(34px,4.4vw,50px);font-weight:800;color:var(--lime);line-height:1.1;letter-spacing:-.01em}
.stat-label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:12px;line-height:1.7}
.stat-band .card-dark{
  background:rgba(255,255,255,.04);border:1px solid var(--line-d);border-radius:var(--r-lg);
  padding:28px 30px;margin-top:56px;
}
.stat-band .card-dark h3{color:#fff}
.stat-band .card-dark p{color:rgba(255,255,255,.72);margin-bottom:0}

/* ============ 列表卡 ============ */
.grid-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:26px;transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D8D5CB}
.card h3{font-size:18px;margin-bottom:10px}
.card p{font-size:15px;color:var(--text-2);margin-bottom:0;line-height:1.8}
.card .c-icon{
  width:42px;height:42px;border-radius:11px;background:var(--ink-l);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .c-icon svg{width:21px;height:21px;stroke:var(--ink-m)}
.card-line{border-top:3px solid var(--lime)}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1fr 1.9fr;gap:56px;align-items:start}
.faq-aside{position:sticky;top:96px}
.faq-aside .aside-card{
  background:var(--ink-l);border:1px solid #D5E2D8;border-radius:var(--r-card);
  padding:24px;margin-top:24px;
}
.faq-aside .aside-card h4{margin-bottom:8px}
.faq-aside .aside-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:first-child{border-top:1px solid var(--line)}
.acc-head{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;padding:22px 0;cursor:pointer;text-align:left;
  font-size:17.5px;font-weight:700;color:var(--text);transition:color .2s ease;
}
.acc-head:hover{color:var(--ink)}
.acc-icon{position:relative;width:20px;height:20px;flex:none;transition:transform .25s ease}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--ink-m);border-radius:2px}
.acc-icon::before{left:0;top:9px;width:20px;height:2px}
.acc-icon::after{left:9px;top:0;width:2px;height:20px}
.acc-item.is-open .acc-icon{transform:rotate(45deg)}
.acc-item.is-open .acc-head{color:var(--ink-d)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .3s ease}
.acc-item.is-open .acc-body{max-height:360px}
.acc-body p{color:var(--text-2);font-size:16px;padding-bottom:22px;margin-bottom:0;max-width:720px}
.faq-lite .acc-head{font-size:16.5px;padding:18px 0}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink);border-radius:var(--r-lg);padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;background:rgba(196,229,56,.10);
}
.cta-band h2{color:#fff;margin-bottom:12px;position:relative}
.cta-band p{color:rgba(255,255,255,.74);margin-bottom:0;position:relative;max-width:620px}
.cta-band .btn{position:relative;flex:none}

.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:36px}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:76px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:20px}
.site-footer a{color:rgba(255,255,255,.74)}
.site-footer a:hover{color:var(--lime);text-decoration:none}
.f-brand b{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px}
.f-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:18px;max-width:340px}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px}
.badge-outline{border:1px solid rgba(196,229,56,.55);color:var(--lime)}
.site-footer ul li{margin-bottom:12px;font-size:15px}
.f-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.74)}
.f-contact svg{width:18px;height:18px;flex:none;margin-top:5px;stroke:var(--lime)}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line-d);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.52);
}

/* ============ 工具类 ============ */
.text-c{text-align:center}
.mx-auto{margin-left:auto;margin-right:auto}
.narrow{max-width:760px}

/* ============ 断点 ============ */
@media (max-width:1200px){
  .nav-links{gap:16px}
  .nav-links a{font-size:14.5px}
  .nav-search{max-width:400px}
}
@media (max-width:1023px){
  :root{--sec-pad:72px}
  .nav-links{display:none}
  .menu-btn{display:flex}
  .topbar{display:none}
  .nav-main{height:auto;flex-wrap:wrap;padding:12px 0}
  .brand{order:1}
  .menu-btn{order:2;margin-left:auto}
  .nav-search{order:3;flex-basis:100%;max-width:100%;margin:10px 0 0;min-width:0}
  .search-shell{height:44px}
  .grid-cards{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:36px 0}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .stat-item{padding-right:20px}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .faq-aside{position:static}
  .split{gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sec-pad:60px}
  body{font-size:16px}
  .container{padding:0 16px}
  .hero-figure{height:clamp(240px,64vw,360px)}
  .hero-figure .container{padding-bottom:36px}
  .hero-intro{margin-top:-24px}
  .hero-intro-card{grid-template-columns:1fr;gap:24px;padding:24px 20px}
  .hero-actions{flex-direction:row;flex-wrap:wrap}
  .hero-actions .btn{flex:1 1 46%}
  .steps{grid-template-columns:1fr;gap:0}
  .steps::before{left:22px;right:auto;top:12px;bottom:12px;width:1px;height:auto}
  .step{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:0 0 26px 0}
  .step-dot{margin-bottom:0}
  .step:last-child{padding-bottom:0}
  .step-meta{margin-top:6px}
  .split{grid-template-columns:1fr;gap:26px}
  .split.reverse .split-media{order:0}
  .grid-cards{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .stat-num{font-size:34px}
  .cta-band{padding:34px 22px;border-radius:var(--r-card)}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .media-frame img{aspect-ratio:4/3}
}
@media (max-width:520px){
  .hero-actions .btn{flex:1 1 100%}
  .search-btn{padding:0 16px}
  .stat-grid{grid-template-columns:1fr;gap:26px 0}
  .stat-item{padding:0;border-left:0;border-top:1px solid var(--line-d);padding-top:22px}
  .stat-item:first-child{border-top:0;padding-top:0}
}