/* roulang page: index */
:root{
  --primary:#12C2A0;
  --primary-dark:#0B8F79;
  --primary-light:#E6FAF5;
  --violet:#6C4BF4;
  --violet-dark:#5B3AE8;
  --violet-light:#EFEBFF;
  --lemon:#FFC94A;
  --ink:#0E1524;
  --text:#101828;
  --text-2:#5A6472;
  --text-3:#98A2B3;
  --bg:#F5F7F9;
  --surface:#FFFFFF;
  --border:#E4E8EE;
  --line:#EEF0F3;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:12px;
  --shadow-sm:0 2px 8px rgba(14,21,36,.05);
  --shadow-md:0 8px 24px rgba(14,21,36,.08);
  --shadow-lg:0 16px 36px rgba(14,21,36,.12);
  --grad:linear-gradient(135deg,#0B8F79 0%,#5B3AE8 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 容器与栅格 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.cell{padding-left:12px;padding-right:12px;min-width:0;}
.section{padding:96px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface);}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary-dark);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.section-head{margin-bottom:40px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;font-weight:700;letter-spacing:-.4px;margin-top:16px;
}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;max-width:720px;}
.text-link{color:var(--primary-dark);font-weight:600;font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;}
.text-link:hover{border-bottom-color:var(--primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(11,143,121,.26);}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(11,143,121,.32);}
.btn--ghost{background:#fff;color:var(--text);border-color:var(--border);}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn--light{background:#fff;color:var(--ink);}
.btn--light:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn--sm{height:42px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}

/* ---------- 标签与徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--violet-light);color:var(--violet-dark);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.tag--green{background:var(--primary-light);color:var(--primary-dark);}
.tag--amber{background:#FFF6E0;color:#8A5B00;}
.badge-data{
  display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;
  padding:12px 18px;border-radius:16px;background:var(--primary-light);
  color:var(--primary-dark);min-width:112px;
}
.badge-data b{font-size:22px;line-height:1.2;font-weight:700;}
.badge-data span{font-size:12.5px;color:var(--text-2);}
.badge-data--amber{background:#FFF6E0;color:var(--ink);}
.badge-data--amber span{color:#7A6420;}

/* ---------- 公告条 ---------- */
.notice-bar{background:var(--ink);color:#fff;font-size:13.5px;}
.notice-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;flex-wrap:wrap;}
.notice-bar__left{display:flex;align-items:center;gap:10px;}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(18,194,160,.18);}
.notice-bar__badge{background:rgba(18,194,160,.16);color:#7EF0D8;padding:2px 10px;border-radius:999px;font-size:12.5px;font-weight:600;}
.notice-bar a{color:#C9D2E3;border-bottom:1px solid transparent;}
.notice-bar a:hover{color:#fff;border-bottom-color:var(--primary);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;letter-spacing:-.2px;color:var(--text);}
.logo:hover{color:var(--primary-dark);}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:7px;flex:0 0 auto;
}
.logo-mark i{background:rgba(255,255,255,.92);border-radius:50%;display:block;}
.logo-mark i:nth-child(5){background:var(--lemon);}
.nav-main{display:flex;align-items:center;gap:6px;}
.nav-main > a{
  position:relative;padding:10px 16px;border-radius:12px;
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-main > a:hover{color:var(--primary-dark);background:var(--primary-light);}
.nav-main > a.is-active{color:var(--text);font-weight:600;}
.nav-main > a.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-right{display:flex;align-items:center;gap:14px;}

/* Mega 面板 */
.has-mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;height:42px;padding:0 16px;
  border-radius:12px;border:1px solid var(--border);background:#fff;
  font-size:14px;font-weight:600;color:var(--text-2);
}
.mega-trigger .caret{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .2s ease;}
.has-mega:hover .mega-trigger,
.has-mega:focus-within .mega-trigger{color:var(--primary-dark);border-color:var(--primary);}
.has-mega:hover .caret,
.has-mega:focus-within .caret{transform:rotate(225deg) translateY(-1px);}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:760px;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:0 16px 40px rgba(14,21,36,.14);
  padding:24px;display:flex;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col{flex:1 1 0;min-width:0;}
.mega-col h4{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.6px;margin-bottom:12px;}
.mega-list a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);transition:transform .2s ease,background .2s ease,color .2s ease;
}
.mega-list a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--border);flex:0 0 auto;}
.mega-list a:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateX(4px);}
.mega-list a:hover::before{background:var(--primary);}
.mega-cards{display:flex;flex-direction:column;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:16px;
  border:1px solid var(--line);background:#fff;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{border-color:rgba(18,194,160,.45);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.mega-card b{display:block;font-size:14.5px;}
.mega-card span{font-size:12.5px;color:var(--text-3);}

/* 移动导航 */
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:55;background:#fff;
  padding:24px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:8px;}
.mobile-drawer nav a{padding:14px 16px;border-radius:14px;background:var(--bg);font-size:16px;font-weight:600;}
.mobile-drawer nav a.is-active{background:var(--primary-light);color:var(--primary-dark);}
.mobile-drawer .btn{margin-top:20px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 96px;
  background:linear-gradient(150deg,#FFFFFF 0%,#EFF7F5 48%,#F1EEFF 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(14,21,36,.05) 1px,transparent 1px);
  background-size:22px 22px;opacity:.7;pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{align-items:center;}
.hero h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;letter-spacing:-.5px;
  margin:20px 0 0;
}
.hero__sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:520px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.hero__media{position:relative;padding-bottom:32px;}
.hero__media-inner{
  position:relative;border-radius:28px;overflow:hidden;box-shadow:var(--shadow-lg);
  aspect-ratio:16/10;background:var(--ink);
}
.hero__media-inner img{width:100%;height:100%;object-fit:cover;}
.hero__media-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,194,160,.3) 0%,rgba(108,75,244,.3) 100%);
}
.hero__float{
  position:absolute;left:-24px;bottom:0;z-index:2;
  display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:20px;padding:14px 20px 14px 14px;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  max-width:290px;
}
.hero__float img{width:56px;height:56px;border-radius:14px;object-fit:cover;flex:0 0 auto;}
.hero__float b{display:block;font-size:15px;}
.hero__float span{font-size:12.5px;color:var(--text-3);}
.hero__float em{font-style:normal;color:var(--primary-dark);font-weight:700;}

/* ---------- 信任数据条 ---------- */
.trust-bar{background:var(--ink);color:#fff;padding:36px 0;}
.trust-bar__grid{display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;}
.trust-item{display:flex;flex-direction:column;gap:4px;min-width:150px;}
.trust-item b{font-size:26px;font-weight:700;line-height:1.2;color:#fff;}
.trust-item b i{font-style:normal;color:var(--lemon);}
.trust-item span{font-size:13px;color:#98A2B3;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:24px;}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:23px;height:2px;background:var(--line);
}
.timeline-track{display:flex;gap:20px;position:relative;}
.timeline-node{flex:1 1 0;min-width:0;}
.timeline-node__dot{
  width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--border);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;color:var(--text-3);
  margin-bottom:20px;position:relative;z-index:1;transition:all .25s ease;
}
.timeline-node__card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;
  box-shadow:var(--shadow-sm);height:100%;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.timeline-node__card time{font-size:12.5px;color:var(--text-3);letter-spacing:.4px;}
.timeline-node__card h3{font-size:17px;font-weight:600;margin:8px 0 8px;}
.timeline-node__card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.timeline-node:hover .timeline-node__card{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,194,160,.35);}
.timeline-node:hover .timeline-node__dot{border-color:var(--primary);color:var(--primary-dark);}
.timeline-node.is-current .timeline-node__dot{background:var(--lemon);border-color:var(--lemon);color:var(--ink);}
.timeline-node.is-current .timeline-node__card{border-color:rgba(18,194,160,.35);}

/* ---------- 亮点区（非对称） ---------- */
.feature-main{
  position:relative;border-radius:24px;overflow:hidden;height:100%;min-height:420px;
  box-shadow:var(--shadow-md);background:var(--ink);
}
.feature-main img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .35s ease;}
.feature-main:hover img{transform:scale(1.04);}
.feature-main__body{
  position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;background:linear-gradient(180deg,rgba(14,21,36,0) 30%,rgba(14,21,36,.86) 100%);color:#fff;
}
.feature-main__body h3{font-size:24px;font-weight:700;margin:12px 0 10px;}
.feature-main__body p{font-size:14.5px;color:#C9D2E3;max-width:460px;}
.feature-side{display:flex;flex-direction:column;gap:20px;height:100%;}
.feature-mini{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:20px;padding:16px;box-shadow:var(--shadow-sm);flex:1 1 auto;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(18,194,160,.35);}
.feature-mini img{width:92px;height:92px;border-radius:16px;object-fit:cover;flex:0 0 auto;}
.feature-mini h3{font-size:16.5px;font-weight:600;margin:6px 0 6px;}
.feature-mini p{font-size:13.5px;color:var(--text-2);}

/* ---------- 分类入口卡 ---------- */
.cat-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;
  box-shadow:var(--shadow-sm);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(18,194,160,.35);}
.cat-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.cat-card:hover .cat-card__media img{transform:scale(1.04);}
.cat-card__topline{position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.cat-card__body{padding:24px;}
.cat-card__body h3{font-size:19px;font-weight:700;margin:12px 0 10px;}
.cat-card__body p{font-size:14.5px;color:var(--text-2);}
.cat-card__foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--line);}
.cat-card__foot span{font-size:13px;color:var(--text-3);}
.cat-card__foot strong{color:var(--primary-dark);font-size:14px;font-weight:600;}

/* ---------- 对比卡 ---------- */
.compare-card{
  background:#fff;border:1px solid var(--border);border-radius:24px;padding:28px;
  display:flex;flex-direction:column;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.compare-card.is-featured{border:2px solid var(--primary);transform:translateY(-12px);box-shadow:var(--shadow-lg);position:relative;}
.compare-card.is-featured:hover{transform:translateY(-16px);}
.compare-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.compare-card__head h3{font-size:19px;font-weight:700;}
.compare-card__price{margin:20px 0 4px;font-size:15px;color:var(--text-2);}
.compare-card__price b{font-size:26px;color:var(--text);font-weight:700;}
.compare-list{margin:20px 0 24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.compare-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);}
.compare-list li i{
  flex:0 0 auto;width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  font-style:normal;font-size:11px;font-weight:700;margin-top:4px;
}
.compare-list li i.yes{background:var(--primary-light);color:var(--primary-dark);}
.compare-list li i.no{background:#F2F4F7;color:var(--text-3);}

/* ---------- 最新信息 ---------- */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  height:100%;display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(18,194,160,.35);}
.news-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card__body h3{
  font-size:16.5px;font-weight:600;line-height:1.5;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--text-3);
}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;border:1px dashed var(--border);
  border-radius:24px;
}
.empty-state__icon{
  width:56px;height:56px;border-radius:18px;background:var(--primary-light);
  margin:0 auto 18px;display:flex;align-items:center;justify-content:center;
  color:var(--primary-dark);font-size:20px;font-weight:700;
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ---------- 用户反馈 ---------- */
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:26px;height:100%;
  display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.quote-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.quote-card__user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.quote-card__avatar{
  width:40px;height:40px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.quote-card__user b{display:block;font-size:14.5px;}
.quote-card__user span{font-size:12.5px;color:var(--text-3);}
.stars{color:var(--lemon);font-size:14px;letter-spacing:2px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-left:4px solid var(--primary);box-shadow:var(--shadow-md);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--primary-dark);font-weight:400;
  transition:transform .25s ease;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item__body{padding:0 24px 22px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.faq-item:hover{border-color:rgba(18,194,160,.4);}

/* ---------- CTA 与表单 ---------- */
.cta-band{
  background:var(--ink);color:#fff;padding:96px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-160px;top:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.28) 0%,rgba(108,75,244,0) 70%);
}
.cta-band .container{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.4px;}
.cta-band__lead{margin-top:16px;color:#C9D2E3;font-size:15.5px;max-width:440px;}
.cta-points{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.cta-points li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#E4E8EF;}
.cta-points li i{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:rgba(18,194,160,.18);
  color:#7EF0D8;display:inline-flex;align-items:center;justify-content:center;font-style:normal;font-size:12px;font-weight:700;margin-top:2px;
}
.form-card{background:#fff;border-radius:24px;padding:32px;box-shadow:0 24px 60px rgba(0,0,0,.28);color:var(--text);}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.form-card > p{font-size:14px;color:var(--text-2);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field label em{font-style:normal;color:#E4572E;margin-left:2px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:12px;border:1px solid var(--border);
  background:#fff;font-size:15px;color:var(--text);font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:104px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,194,160,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:14px;text-align:center;}
.form-hint{
  display:none;margin-top:14px;padding:12px 16px;border-radius:12px;
  background:var(--primary-light);color:var(--primary-dark);font-size:13.5px;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9D2E3;padding:72px 0 0;}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;padding-bottom:48px;}
.footer-brand{flex:1 1 280px;max-width:340px;}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand p{font-size:14px;color:#98A2B3;line-height:1.8;}
.footer-col{flex:0 1 170px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;color:#98A2B3;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8798;
}
.footer-bottom a{color:#A9B4C6;}
.footer-bottom a:hover{color:var(--primary);}
.back-top{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);color:#C9D2E3;font-size:13px;
}
.back-top:hover{border-color:var(--primary);color:var(--primary);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .nav-main,.nav-right .mega-trigger{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:48px 0 64px;}
  .hero__media{margin-top:48px;padding-bottom:24px;}
  .hero__float{left:0;}
  .timeline::before{display:none;}
  .timeline-track{flex-direction:column;gap:16px;}
  .timeline-node{display:flex;gap:16px;align-items:flex-start;}
  .timeline-node__dot{margin-bottom:0;flex:0 0 auto;width:42px;height:42px;}
  .timeline-node__card{width:100%;}
  .compare-card.is-featured{transform:none;}
  .compare-card.is-featured:hover{transform:translateY(-4px);}
  .cta-band{padding:64px 0;}
  .form-card{margin-top:40px;}
  .footer-grid{gap:32px;}
}
@media screen and (max-width:639px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .cell{padding-left:8px;padding-right:8px;}
  .section{padding:48px 0;}
  .hero h1{font-size:30px;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{width:100%;}
  .hero__stats{gap:10px;}
  .badge-data{flex:1 1 100%;}
  .hero__float{position:static;margin-top:-28px;margin-left:12px;max-width:100%;}
  .feature-mini{flex-direction:column;align-items:flex-start;}
  .feature-mini img{width:100%;height:150px;}
  .feature-main{min-height:320px;}
  .section-head h2{font-size:24px;}
  .footer-grid{flex-direction:column;gap:32px;}
  .footer-col{flex:1 1 100%;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-item__body{padding:0 18px 18px;}
  .form-card{padding:24px;}
}

/* roulang page: article */
:root{
  --brand:#12C2A0;
  --brand-deep:#0B8F79;
  --brand-soft:#E6FAF5;
  --indigo:#6C4BF4;
  --indigo-deep:#5B3AE8;
  --indigo-soft:#EFEBFF;
  --yellow:#FFC94A;
  --ink:#0E1524;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --text:#101828;
  --text-2:#5A6472;
  --text-3:#98A2B3;
  --line:#E4E8EE;
  --line-soft:#EEF0F3;
  --grad:linear-gradient(135deg,#0B8F79 0%,#5B3AE8 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(14,21,36,.05);
  --sh-2:0 8px 24px rgba(14,21,36,.08);
  --sh-3:0 16px 36px rgba(14,21,36,.12);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
time,.num,.badge-num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-head{margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:640px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--text);letter-spacing:-.4px;}
.logo-mark{width:28px;height:28px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:3px;}
.logo-mark i{background:var(--brand);border-radius:3px;display:block;}
.logo-mark i:nth-child(2),
.logo-mark i:nth-child(4){background:#5FD9C3;}
.logo-mark i:nth-child(5){background:var(--indigo);}
.logo-mark i:nth-child(6),
.logo-mark i:nth-child(8){background:#9C8CF8;}
.nav-main{display:flex;align-items:center;gap:4px;}
.nav-main a{
  position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--text-2);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-main a:hover{color:var(--brand-deep);background:var(--brand-soft);}
.nav-main a.is-active{color:var(--text);font-weight:600;}
.nav-main a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.has-mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:14.5px;font-weight:600;transition:.2s ease;
}
.mega-trigger:hover{border-color:var(--brand);color:var(--brand-deep);box-shadow:var(--sh-1);}
.caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-1px);}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:720px;background:#fff;border-radius:var(--r-md);
  box-shadow:0 16px 40px rgba(14,21,36,.14);border:1px solid var(--line-soft);
  padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel,
.has-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.4px;margin-bottom:14px;}
.mega-list{display:grid;grid-template-columns:1fr;gap:2px;}
.mega-list a{font-size:14.5px;color:var(--text-2);padding:8px 10px;border-radius:10px;transition:.2s ease;}
.mega-list a:hover{color:var(--brand-deep);background:var(--brand-soft);transform:translateX(4px);}
.mega-cards{display:grid;gap:12px;}
.mega-card{display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;border:1px solid var(--line-soft);transition:.25s ease;}
.mega-card:hover{border-color:rgba(18,194,160,.4);box-shadow:var(--sh-1);}
.mega-card img{width:56px;height:56px;border-radius:10px;object-fit:cover;}
.mega-card b{display:block;font-size:15px;margin-bottom:2px;}
.mega-card span span{font-size:13px;color:var(--text-3);}

/* ---------- buttons, tags ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(11,143,121,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,143,121,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--brand-soft);color:var(--brand-deep);
}
.tag-indigo{background:var(--indigo-soft);color:var(--indigo-deep);}
.tag-plain{background:#F0F3F6;color:var(--text-2);}

/* ---------- article head ---------- */
.article-hero{
  background:#fff;border-bottom:1px solid var(--line-soft);
  padding:36px 0 40px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#C9D0DA;}
.breadcrumb em{font-style:normal;color:var(--brand-deep);font-weight:600;}
.article-hero h1{
  font-size:clamp(28px,4vw,42px);line-height:1.28;font-weight:700;letter-spacing:-.5px;
  max-width:900px;margin:14px 0 18px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:var(--text-2);}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--brand);font-size:13px;}

/* ---------- layout ---------- */
.article-shell{
  max-width:1320px;margin:0 auto;padding:56px 24px 88px;
  display:grid;grid-template-columns:200px minmax(0,1fr) 280px;gap:32px;align-items:start;
}
.article-main{min-width:0;background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:40px 44px;border:1px solid var(--line-soft);}

.toc-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:20px 18px;box-shadow:var(--sh-1);
}
.toc-card h4{font-size:13px;color:var(--text-3);letter-spacing:.4px;font-weight:600;margin-bottom:12px;}
.toc-card ol{display:grid;gap:2px;}
.toc-card ol a{
  display:block;font-size:13.5px;color:var(--text-2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:.2s ease;line-height:1.5;
}
.toc-card ol a:hover{color:var(--brand-deep);background:var(--brand-soft);border-left-color:var(--brand);}
.toc-card ol a.is-current{color:var(--brand-deep);font-weight:600;background:var(--brand-soft);border-left-color:var(--brand);}
.toc-empty{font-size:13px;color:var(--text-3);line-height:1.6;}

.side-col{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);}
.side-card h4{font-size:16px;margin-bottom:14px;}
.hot-list{display:grid;gap:10px;}
.hot-list a{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.55;transition:.2s ease;}
.hot-list a:hover{color:var(--brand-deep);}
.hot-list b{
  flex:0 0 22px;height:22px;border-radius:7px;background:#F0F3F6;color:var(--text-2);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.hot-list a:nth-child(1) b{background:var(--brand-soft);color:var(--brand-deep);}
.hot-list a:nth-child(2) b{background:var(--indigo-soft);color:var(--indigo-deep);}
.side-cta{
  background:var(--ink);border-radius:var(--r-md);padding:24px;color:#fff;position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.35),transparent 70%);
}
.side-cta h4{color:#fff;font-size:17px;margin-bottom:8px;position:relative;z-index:1;}
.side-cta p{font-size:13.5px;color:#B9C1CE;line-height:1.7;margin-bottom:16px;position:relative;z-index:1;}
.side-cta .btn{width:100%;position:relative;z-index:1;}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:#26303F;overflow-wrap:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;color:var(--text);
  margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--brand);scroll-margin-top:96px;
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;color:var(--text);margin:28px 0 12px;scroll-margin-top:96px;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--indigo-deep);}
.article-body img{border-radius:16px;margin:24px auto;width:auto;max-width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 auto;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--brand);}
.article-body ol li::marker{color:var(--brand-deep);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;border-left:3px solid var(--brand);
  background:rgba(18,194,160,.08);border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{background:#F0F3F6;text-align:left;padding:12px 14px;font-weight:600;color:var(--text);}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text-2);}
.article-body tbody tr:nth-child(even) td{background:#FAFBFC;}
.article-body code{background:#F0F3F6;border-radius:6px;padding:2px 6px;font-size:14.5px;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-md);background:#FAFBFC;
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state h3{margin:16px 0 8px;font-size:20px;}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line-soft);}

/* ---------- related ---------- */
.related-wrap{margin-top:64px;}
.related-wrap h2{font-size:22px;margin-bottom:20px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(18,194,160,.35);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF0F4;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .meta{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}

/* ---------- prev / next ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:44px;}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:24px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line-soft);box-shadow:var(--sh-1);transition:.25s ease;
}
.pager-card:hover{border-color:rgba(18,194,160,.4);transform:translateY(-3px);box-shadow:var(--sh-2);}
.pager-card span{font-size:13px;color:var(--text-3);}
.pager-card b{font-size:16.5px;font-weight:600;line-height:1.55;}
.pager-card.is-right{text-align:right;align-items:flex-end;}
.back-row{margin-top:32px;text-align:center;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;transition:.25s ease;
}
.faq-item[open]{border-color:rgba(18,194,160,.45);box-shadow:var(--sh-1);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"+";flex:0 0 24px;height:24px;line-height:22px;text-align:center;border-radius:50%;
  border:1px solid var(--line);color:var(--brand-deep);font-size:15px;font-weight:600;transition:.25s ease;
}
.faq-item[open] summary::before{content:"–";background:var(--brand-soft);border-color:var(--brand);}
.faq-item .faq-body{padding:0 22px 20px 62px;color:var(--text-2);font-size:15px;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#fff;padding:80px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,75,244,.35),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-100px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,194,160,.28),transparent 70%);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;position:relative;z-index:1;}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.32;margin-bottom:16px;}
.cta-copy p{color:#B9C1CE;font-size:15.5px;line-height:1.8;margin-bottom:20px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:#D7DDE7;font-size:15px;}
.cta-points i{color:var(--brand);margin-top:4px;}
.form-card{background:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-3);color:var(--text);}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card>p{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px;}
.field .req{color:var(--yellow);}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;color:var(--text);background:#fff;transition:.2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(18,194,160,.16);
}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);text-align:center;}
.form-ok{
  display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand-deep);font-size:14px;font-weight:600;
}
.form-ok.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9C1CE;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{color:#fff;font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:#98A2B3;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#98A2B3;transition:.2s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;font-size:13px;color:#8B95A5;
}
.back-top{color:#B9C1CE;transition:.2s ease;}
.back-top:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-shell{grid-template-columns:minmax(0,1fr) 280px;gap:28px;}
  .toc-col{display:none;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:28px;padding:36px 24px 64px;}
  .side-col{position:static;}
  .article-main{padding:32px 28px;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .nav-wrap{flex-wrap:wrap;height:auto;padding:10px 0;gap:10px;}
  .nav-main{order:3;width:100%;overflow-x:auto;padding-bottom:4px;gap:2px;}
  .nav-main a{padding:8px 12px;font-size:14.5px;white-space:nowrap;}
  .nav-main a.is-active::after{left:12px;right:12px;bottom:1px;}
  .nav-right .mega-trigger{padding:0 14px;}
  .mega-panel{width:min(92vw,520px);grid-template-columns:1fr;right:0;max-height:70vh;overflow-y:auto;}
}
@media (max-width:768px){
  .article-hero{padding:24px 0 28px;}
  .article-main{padding:26px 20px;border-radius:var(--r-md);}
  .article-body{font-size:16.5px;line-height:1.85;}
  .article-body h2{margin-top:32px;}
  .pager{grid-template-columns:1fr;}
  .pager-card.is-right{text-align:left;align-items:flex-start;}
  .faq-item .faq-body{padding:0 20px 18px 20px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .form-card{padding:24px 20px;}
  .article-shell{padding:28px 16px 56px;}
  .side-card{padding:18px;}
  .section-head h2{font-size:23px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12C2A0;
  --c-primary-deep:#0B8F79;
  --c-primary-soft:#E6FAF5;
  --c-accent:#6C4BF4;
  --c-accent-soft:#EFEBFF;
  --c-lemon:#FFC94A;
  --c-ink:#0E1524;
  --c-bg:#F5F7F9;
  --c-card:#FFFFFF;
  --c-text:#101828;
  --c-text-2:#5A6472;
  --c-text-3:#98A2B3;
  --c-line:#E4E8EE;
  --grad:linear-gradient(135deg,#0B8F79 0%,#5B3AE8 100%);
  --grad-soft:linear-gradient(135deg,#12C2A0 0%,#6C4BF4 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(14,21,36,.05);
  --sh-2:0 8px 24px rgba(14,21,36,.08);
  --sh-3:0 16px 36px rgba(14,21,36,.12);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{line-height:1.3;font-weight:700;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(6px);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--c-text);
  flex:0 0 auto;
}
.logo:hover{color:var(--c-primary-deep);}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:4px;border-radius:11px;background:var(--grad);
}
.logo-mark i{background:rgba(255,255,255,.92);border-radius:2px;display:block;}
.logo-mark i:nth-child(5){background:var(--c-lemon);border-radius:50%;}
.nav-main{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-main a{
  padding:8px 12px;border-radius:10px;font-size:15px;color:var(--c-text-2);
  position:relative;white-space:nowrap;
}
.nav-main a:hover{color:var(--c-primary-deep);background:var(--c-primary-soft);}
.nav-main a.is-active{color:var(--c-text);font-weight:600;}
.nav-main a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.has-mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);
  font-size:14px;cursor:pointer;transition:all .2s ease;
}
.mega-trigger:hover,.has-mega:focus-within .mega-trigger{
  border-color:rgba(18,194,160,.5);color:var(--c-primary-deep);box-shadow:var(--sh-1);
}
.caret{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:760px;background:#fff;border-radius:var(--r-md);
  box-shadow:0 16px 40px rgba(14,21,36,.16);
  border:1px solid var(--c-line);
  padding:24px;display:grid;grid-template-columns:1.15fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;color:var(--c-text-3);font-weight:600;letter-spacing:.5px;margin-bottom:12px;}
.mega-list{display:grid;gap:4px;}
.mega-list a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--c-text-2);
  transition:all .2s ease;
}
.mega-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);transform:translateX(4px);}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;gap:12px;align-items:center;padding:12px;border-radius:14px;
  border:1px solid var(--c-line);background:#fff;transition:all .25s ease;
}
.mega-card:hover{border-color:rgba(18,194,160,.45);box-shadow:var(--sh-2);transform:translateY(-2px);}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 64px;}
.mega-card span{display:block;font-size:14px;line-height:1.5;}
.mega-card b{display:block;font-size:14.5px;color:var(--c-text);margin-bottom:2px;}
.mega-card span span{color:var(--c-text-3);font-size:12.5px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(11,143,121,.28);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(11,143,121,.34);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-text);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary-deep);transform:translateY(-2px);}
.nav-cta{height:40px;padding:0 18px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;gap:5px;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}

/* 页面横幅 */
.page-hero{position:relative;overflow:hidden;background:var(--c-ink);}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.5;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(11,20,36,.92) 0%,rgba(11,143,121,.72) 55%,rgba(91,58,232,.68) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:var(--c-lemon);}
.eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary-deep);
}
.eyebrow-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.25);}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.2vw,44px);letter-spacing:-.5px;
  margin:18px 0 16px;max-width:900px;
}
.page-hero-lead{color:rgba(255,255,255,.86);font-size:16.5px;max-width:760px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat{
  display:inline-flex;align-items:baseline;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:13px;
}
.stat b{font-size:19px;font-weight:700;color:var(--c-lemon);}

/* 区块 */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-white{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{font-size:clamp(23px,3vw,33px);letter-spacing:-.4px;margin-bottom:14px;}
.section-head p{color:var(--c-text-2);font-size:16px;}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center;}

/* 核对要点 */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.quick-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);transition:all .28s ease;position:relative;overflow:hidden;
}
.quick-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-soft);opacity:.9;
}
.quick-card:hover{transform:translateY(-4px);border-color:rgba(18,194,160,.35);box-shadow:var(--sh-3);}
.quick-card h3{font-size:17px;margin:16px 0 8px;}
.quick-card p{font-size:14px;color:var(--c-text-2);}
.q-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:700;font-size:15px;
}
.q-icon.alt{background:var(--c-accent-soft);color:var(--c-accent);}

/* 指南主区 */
.guide-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start;}
.anchor-panel{
  position:sticky;top:calc(var(--nav-h) + 20px);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.anchor-panel h3{font-size:15px;margin-bottom:6px;}
.anchor-panel .anchor-note{font-size:12.5px;color:var(--c-text-3);margin-bottom:14px;}
.anchor-list{display:grid;gap:2px;}
.anchor-list a{
  display:flex;align-items:center;gap:8px;
  padding:9px 10px;border-radius:10px;font-size:14px;color:var(--c-text-2);
  transition:all .2s ease;border-left:3px solid transparent;
}
.anchor-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);border-left-color:var(--c-primary);transform:translateX(3px);}
.anchor-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);}
.anchor-foot .btn{width:100%;height:42px;font-size:14px;}

.guide-main-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.guide-main-head h2{font-size:clamp(22px,2.6vw,29px);letter-spacing:-.3px;}
.guide-main-head p{color:var(--c-text-2);font-size:14.5px;margin-top:8px;max-width:640px;}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.guide-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(18,194,160,.35);}
.guide-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.guide-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.guide-card:hover .cover img{transform:scale(1.04);}
.guide-card .body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.tag{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary-deep);
  width:fit-content;margin-bottom:12px;
}
.tag.purple{background:var(--c-accent-soft);color:var(--c-accent);}
.tag.lemon{background:#FFF6DF;color:#8A6100;}
.guide-card h3{font-size:16.5px;line-height:1.45;margin-bottom:8px;}
.guide-card p{font-size:14px;color:var(--c-text-2);flex:1 1 auto;}
.card-meta{
  display:flex;align-items:center;gap:14px;margin-top:16px;padding-top:14px;
  border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-text-3);
}
.card-meta .go{margin-left:auto;color:var(--c-primary-deep);font-weight:600;}

/* 登录流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.flow-step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .28s ease;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(108,75,244,.3);}
.flow-num{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-weight:700;font-size:16px;margin-bottom:18px;
}
.flow-step h3{font-size:16.5px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--c-text-2);}

/* 场景 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{
  border-radius:var(--r-md);padding:26px;background:#fff;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);transition:all .28s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.scene-card h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.scene-dot{width:10px;height:10px;border-radius:50%;background:var(--c-primary);flex:0 0 10px;}
.scene-card p{font-size:14px;color:var(--c-text-2);margin-bottom:16px;}
.scene-card ul{display:grid;gap:8px;}
.scene-card li{font-size:14px;color:var(--c-text-2);padding-left:18px;position:relative;}
.scene-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--c-accent-soft);border:1.5px solid var(--c-accent);}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  margin-bottom:12px;overflow:hidden;transition:all .24s ease;
}
.faq-item[open]{border-color:rgba(18,194,160,.4);box-shadow:var(--sh-2);border-left:4px solid var(--c-primary);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;gap:14px;font-weight:600;font-size:15.5px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:400;color:var(--c-primary-deep);
  transition:transform .25s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--c-text-2);}

/* CTA */
.cta-band{position:relative;background:var(--c-ink);overflow:hidden;}
.cta-band-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.16;}
.cta-band .container{position:relative;z-index:2;padding-top:76px;padding-bottom:76px;}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-copy h2{color:#fff;font-size:clamp(23px,3vw,32px);margin-bottom:18px;letter-spacing:-.4px;}
.cta-copy p{color:rgba(255,255,255,.76);font-size:15.5px;margin-bottom:22px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{display:flex;gap:10px;color:rgba(255,255,255,.86);font-size:14.5px;align-items:flex-start;}
.cta-points li span{width:20px;height:20px;flex:0 0 20px;border-radius:50%;background:rgba(18,194,160,.25);color:var(--c-lemon);display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;}
.form-card{
  background:#fff;border-radius:var(--r-lg);padding:30px;
  box-shadow:0 24px 48px rgba(0,0,0,.24);
}
.form-card h3{font-size:18px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--c-text-3);margin-bottom:20px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--c-text-2);}
.field .req{color:#E4572E;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(18,194,160,.14);
}
.form-card .btn{width:100%;}
.form-tip{font-size:12.5px;color:var(--c-text-3);margin-top:12px;text-align:center;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:var(--c-primary);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}
.back-top{margin-left:auto;color:rgba(255,255,255,.72);}
.back-top:hover{color:var(--c-primary);}

/* 响应式 */
@media (max-width:1279px){
  .mega-panel{width:660px;}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:20px 20px 40px;overflow-y:auto;
    border-top:1px solid var(--c-line);
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .site-header.nav-open .nav-main{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-main a{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-main a.is-active::after{display:none;}
  .nav-main a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);}
  .nav-toggle{display:flex;order:2;margin-left:auto;}
  .nav-right{order:3;}
  .has-mega{display:none;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .guide-layout{grid-template-columns:1fr;}
  .anchor-panel{position:static;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .guide-grid{grid-template-columns:1fr;}
  .quick-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{margin-left:0;}
  .hero-stats{gap:10px;}
  .stat{padding:8px 14px;font-size:12.5px;}
  .stat b{font-size:17px;}
  .form-card{padding:22px;}
  .logo{font-size:16px;}
}
@media (max-width:520px){
  .nav-cta{display:none;}
  .guide-main-head h2{font-size:22px;}
}
@media (min-width:1440px){
  .section{padding:104px 0;}
}

/* roulang page: category2 */
:root{
  --primary:#12C2A0;
  --primary-deep:#0B8F79;
  --primary-soft:#E6FAF5;
  --accent:#6C4BF4;
  --accent-deep:#5B3AE8;
  --accent-soft:#EFEBFF;
  --lemon:#FFC94A;
  --ink:#101828;
  --ink-2:#5A6472;
  --ink-3:#98A2B3;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --dark:#0E1524;
  --line:#E4E8EE;
  --line-soft:#EEF0F3;
  --grad:linear-gradient(135deg,#0B8F79 0%,#5B3AE8 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(14,21,36,.05);
  --sh-2:0 8px 24px rgba(14,21,36,.08);
  --sh-3:0 16px 36px rgba(14,21,36,.12);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border-radius:16px;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
h1{font-size:clamp(30px,4.6vw,48px);line-height:1.22;letter-spacing:-.5px;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num,.tag,.badge,.vs-v,.time{font-variant-numeric:tabular-nums;}

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

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#FFFFFF;
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2);}
.nav-wrap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  letter-spacing:-.2px;
  color:var(--ink);
  white-space:nowrap;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:28px;
  height:28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:3px;
  padding:4px;
  border-radius:9px;
  background:var(--grad);
  flex:0 0 auto;
}
.logo-mark i{background:rgba(255,255,255,.5);border-radius:50%;}
.logo-mark i:nth-child(5){background:var(--lemon);}
.logo-mark i:nth-child(3),
.logo-mark i:nth-child(7){background:#FFFFFF;}

.nav-main{display:flex;align-items:center;gap:6px;}
.nav-main a{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:999px;
  transition:color .2s ease,background .2s ease;
}
.nav-main a:hover{color:var(--primary-deep);background:var(--primary-soft);}
.nav-main a.is-active{color:var(--primary-deep);font-weight:600;}
.nav-main a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}

.nav-right{display:flex;align-items:center;gap:12px;}
.has-mega{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 18px;
  font-size:15px;
  color:var(--ink-2);
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:999px;
  cursor:pointer;
  transition:.2s ease;
}
.mega-trigger:hover,
.has-mega:hover .mega-trigger,
.has-mega:focus-within .mega-trigger{
  color:var(--primary-deep);
  border-color:var(--primary);
  background:var(--primary-soft);
}
.caret{
  width:7px;height:7px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s ease;
}
.has-mega:hover .caret,
.has-mega:focus-within .caret{transform:rotate(225deg) translateY(-1px);}
.mega-panel{
  position:absolute;
  top:calc(100% + 14px);
  right:0;
  width:780px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:28px;
  padding:26px;
  background:#FFFFFF;
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  box-shadow:0 16px 40px rgba(14,21,36,.14);
  opacity:0;
  visibility:hidden;
  transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--ink-3);
  margin-bottom:14px;
}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px;}
.mega-list a{
  display:block;
  padding:8px 6px;
  font-size:14px;
  color:var(--ink-2);
  border-radius:8px;
  transition:.2s ease;
}
.mega-list a:hover{color:var(--primary-deep);background:var(--primary-soft);transform:translateX(4px);}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px;
  border:1px solid var(--line-soft);
  border-radius:var(--r-sm);
  background:#FBFCFD;
  transition:.25s ease;
}
.mega-card:hover{border-color:rgba(18,194,160,.45);box-shadow:var(--sh-2);transform:translateY(-2px);}
.mega-card img{width:56px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto;}
.mega-card b{display:block;font-size:15px;color:var(--ink);}
.mega-card span span{display:block;font-size:13px;color:var(--ink-3);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary-deep);}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:rgba(14,21,36,.45);
  opacity:0;
  visibility:hidden;
  transition:.25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(86vw,340px);
  height:100%;
  background:#FFFFFF;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(100%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  font-size:19px;
  color:var(--ink-2);
  cursor:pointer;
}
.drawer-links{display:grid;gap:6px;}
.drawer-links a{
  display:block;
  padding:13px 14px;
  border-radius:12px;
  font-size:15px;
  color:var(--ink-2);
  background:#FBFCFD;
  border:1px solid var(--line-soft);
}
.drawer-links a.is-active{color:var(--primary-deep);background:var(--primary-soft);border-color:rgba(18,194,160,.35);font-weight:600;}
.drawer-title{font-size:13px;letter-spacing:.08em;color:var(--ink-3);margin-top:6px;}
.drawer-cta{
  margin-top:auto;
  display:block;
  text-align:center;
  padding:15px;
  border-radius:999px;
  color:#fff;
  font-weight:600;
  background:var(--grad);
}

/* ---------- KV ---------- */
.page-kv{
  position:relative;
  padding:64px 0 56px;
  background-image:linear-gradient(135deg,rgba(11,143,121,.92) 0%,rgba(91,58,232,.86) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-kv::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,74,.28) 0%,rgba(255,201,74,0) 70%);
}
.kv-inner{position:relative;z-index:2;max-width:820px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:18px;
  flex-wrap:wrap;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#FFFFFF;font-weight:600;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:#FFFFFF;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  margin-bottom:18px;
}
.page-kv h1{color:#FFFFFF;max-width:15em;}
.page-kv .lead{
  margin-top:16px;
  font-size:17px;
  color:rgba(255,255,255,.88);
  max-width:44em;
}
.kv-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.kv-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  font-size:13.5px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  color:#FFFFFF;
}
.kv-chip i{color:var(--lemon);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section.alt{background:#FFFFFF;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head .eyebrow-dark{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--primary-deep);
  background:var(--primary-soft);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:14px;
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--ink-2);font-size:16px;}

/* ---------- 对比卡 ---------- */
.compare-row{position:relative;}
.compare-row::after{
  content:"";
  position:absolute;
  left:50%;top:26px;bottom:26px;
  width:1px;
  background:var(--line);
  display:none;
}
.vs-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.vs-card:hover{transform:translateY(-4px);border-color:rgba(18,194,160,.45);box-shadow:var(--sh-3);}
.vs-card.is-feature{
  border:2px solid rgba(18,194,160,.55);
  position:relative;
}
.vs-card.is-feature::before{
  content:"";
  position:absolute;
  left:24px;right:24px;top:0;
  height:4px;
  border-radius:0 0 4px 4px;
  background:var(--grad);
}
.vs-head{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.vs-head img{width:64px;height:64px;object-fit:cover;border-radius:14px;flex:0 0 auto;}
.vs-head h3{margin-bottom:4px;}
.vs-head p{font-size:13.5px;color:var(--ink-3);}
.vs-badge{margin-left:auto;flex:0 0 auto;}
.vs-list{display:grid;gap:12px;margin-bottom:22px;}
.vs-list li{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:12px 14px;
  border-radius:12px;
  background:#F8FAFB;
  border:1px solid var(--line-soft);
}
.vs-k{font-size:13.5px;color:var(--ink-3);flex:0 0 auto;}
.vs-v{font-size:14.5px;color:var(--ink);text-align:right;font-weight:500;}
.vs-foot{margin-top:auto;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1.5;
  white-space:nowrap;
}
.tag-primary{background:var(--primary-soft);color:var(--primary-deep);}
.tag-accent{background:var(--accent-soft);color:var(--accent-deep);}
.tag-lemon{background:var(--lemon);color:var(--dark);}
.tag-line{background:#FFFFFF;color:var(--ink-2);border:1px solid var(--line);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  font-size:15px;
  font-weight:600;
  border-radius:999px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{color:#FFFFFF;background:var(--grad);box-shadow:0 8px 20px rgba(11,143,121,.26);}
.btn-primary:hover{color:#FFFFFF;transform:translateY(-2px);box-shadow:0 14px 28px rgba(11,143,121,.32);}
.btn-outline{color:var(--primary-deep);background:#FFFFFF;border-color:rgba(18,194,160,.5);}
.btn-outline:hover{color:var(--primary-deep);background:var(--primary-soft);transform:translateY(-2px);}
.btn-ghost{color:var(--ink-2);background:#F1F4F7;}
.btn-ghost:hover{color:var(--ink);background:#E7ECF1;}
.btn-block{width:100%;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:3px;
}

/* ---------- 场景推荐榜 ---------- */
.rank-list{display:grid;gap:14px;}
.rank-item{
  display:flex;
  align-items:center;
  gap:20px;
  padding:22px 24px;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.rank-item:hover{transform:translateY(-4px);border-color:rgba(108,75,244,.35);box-shadow:var(--sh-3);}
.rank-no{
  font-size:26px;
  font-weight:700;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-1px;
  min-width:48px;
}
.rank-body{flex:1 1 auto;}
.rank-body h3{font-size:17px;margin-bottom:4px;}
.rank-body p{font-size:14px;color:var(--ink-2);}
.rank-side{flex:0 0 auto;display:flex;align-items:center;gap:10px;}

/* ---------- 流程 ---------- */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
}
.flow-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(18,194,160,.45);box-shadow:var(--sh-3);}
.flow-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:50%;
  font-size:16px;
  font-weight:700;
  color:#FFFFFF;
  background:var(--grad);
  margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-2);}
.flow-arrow{
  position:absolute;
  top:44px;
  right:-14px;
  width:28px;height:28px;
  border-radius:50%;
  background:#FFFFFF;
  border:1px solid var(--line);
  color:var(--primary-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  z-index:2;
}
.flow-item:last-child .flow-arrow{display:none;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(18,194,160,.45);box-shadow:var(--sh-1);}
.faq-item[open]{border-color:rgba(18,194,160,.5);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"+";
  flex:0 0 auto;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary-deep);
  font-size:16px;
  font-weight:700;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] summary::before{content:"−";transform:rotate(180deg);background:var(--primary);color:#FFFFFF;}
.faq-item[open] summary{position:relative;}
.faq-item[open] summary::after{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:4px;
  border-radius:0 4px 4px 0;
  background:var(--primary);
}
.faq-a{
  padding:0 22px 20px 60px;
  font-size:15px;
  color:var(--ink-2);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);
  color:#FFFFFF;
  padding:80px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-copy h2{color:#FFFFFF;margin-bottom:16px;}
.cta-copy > p{color:rgba(255,255,255,.72);font-size:16px;margin-bottom:24px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:rgba(255,255,255,.86);}
.cta-points i{
  flex:0 0 auto;
  width:24px;height:24px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:rgba(18,194,160,.22);
  color:var(--primary);
  font-size:12px;
  margin-top:3px;
}
.form-card{
  background:#FFFFFF;
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.form-card h3{margin-bottom:6px;}
.form-card > p{font-size:14px;color:var(--ink-3);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  color:var(--ink-2);
  margin-bottom:8px;
  font-weight:500;
}
.field .req{color:#F0743E;}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(18,194,160,.14);
}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;text-align:center;}
.form-msg{
  display:none;
  margin-top:14px;
  padding:12px 14px;
  border-radius:12px;
  font-size:14px;
  color:var(--primary-deep);
  background:var(--primary-soft);
  border:1px solid rgba(18,194,160,.35);
}
.form-msg.is-show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.68);padding:64px 0 28px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{color:#FFFFFF;margin-bottom:16px;}
.footer-brand .logo:hover{color:#FFFFFF;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:32em;}
.footer-col h4{font-size:14px;color:#FFFFFF;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.back-top{
  color:rgba(255,255,255,.7);
  padding:8px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  transition:.2s ease;
}
.back-top:hover{color:#FFFFFF;border-color:var(--primary);background:rgba(18,194,160,.14);}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .compare-row::after{display:block;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .mega-trigger{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:64px 0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-arrow{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .page-kv{padding:48px 0 40px;}
  .section{padding:48px 0;}
  .section.tight{padding:40px 0;}
  .sec-head{margin-bottom:28px;}
  .rank-item{flex-wrap:wrap;gap:12px;padding:18px 18px;}
  .rank-side{width:100%;}
  .flow{grid-template-columns:1fr;}
  .faq-a{padding-left:22px;}
  .form-card{padding:24px;}
  .cta-band{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .nav-wrap{height:64px;}
  .logo{font-size:15.5px;}
  .logo-mark{width:24px;height:24px;}
  .vs-list li{flex-direction:column;gap:4px;}
  .vs-v{text-align:left;}
  .kv-chip{font-size:12.5px;padding:8px 12px;}
  .btn{width:100%;}
  .btn-inline{width:auto;}
}

/* roulang page: category3 */
:root{
  --primary:#12C2A0;
  --primary-deep:#0B8F79;
  --primary-soft:#E6FAF5;
  --violet:#6C4BF4;
  --violet-deep:#5B3AE8;
  --violet-soft:#EFEBFF;
  --lemon:#FFC94A;
  --ink:#101828;
  --ink-2:#5A6472;
  --ink-3:#98A2B3;
  --line:#E4E8EE;
  --line-soft:#EEF0F3;
  --bg:#F5F7F9;
  --card:#FFFFFF;
  --dark:#0E1524;
  --grad:linear-gradient(135deg,#0B8F79 0%,#5B3AE8 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(14,21,36,.05);
  --sh-2:0 8px 24px rgba(14,21,36,.08);
  --sh-3:0 16px 36px rgba(14,21,36,.12);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
table{border-collapse:separate;border-spacing:0;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

/* ===== 容器 ===== */
.grid-container{
  max-width:1200px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}

/* ===== 通用标题 ===== */
.sec-head{margin-bottom:40px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.04em;
  color:var(--primary-deep);background:var(--primary-soft);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head .eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.4px;}
.sec-head p{margin-top:12px;max-width:720px;color:var(--ink-2);font-size:15.5px;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 24px rgba(11,143,121,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(11,143,121,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(11,143,121,.26);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3);}
.btn-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-block{width:100%;}

/* ===== 顶部公告 ===== */
.topbar{background:var(--dark);color:rgba(255,255,255,.82);font-size:13px;border-bottom:1px solid rgba(18,194,160,.25);}
.topbar .grid-container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.topbar .badge-live{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(18,194,160,.16);color:#7FF0D6;
  border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600;
}
.topbar .badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:1px;transition:.2s;}
.topbar a:hover{color:var(--primary);border-color:var(--primary);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(14,21,36,.08);}
.nav-wrap{display:flex;align-items:center;height:72px;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.logo-mark{
  width:30px;height:30px;flex:0 0 30px;
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:4px;border-radius:9px;background:var(--grad);
  box-shadow:0 6px 14px rgba(11,143,121,.28);
}
.logo-mark i{display:block;background:rgba(255,255,255,.55);border-radius:2px;}
.logo-mark i:nth-child(5){background:#fff;}
.logo-mark i:nth-child(9){background:var(--lemon);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:20px;}
.nav-main a{
  position:relative;padding:9px 15px;border-radius:999px;
  font-size:15px;color:var(--ink-2);transition:.22s;
}
.nav-main a:hover{color:var(--primary-deep);background:var(--primary-soft);}
.nav-main a.is-active{color:var(--primary-deep);font-weight:600;}
.nav-main a.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.has-mega{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:0 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  border:1px solid var(--line);background:#fff;transition:.22s;
}
.mega-trigger:hover{color:var(--primary-deep);border-color:var(--primary);}
.caret{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;transition:transform .22s;}
.has-mega:hover .caret,.has-mega:focus-within .caret{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  display:grid;grid-template-columns:1.15fr 1fr;gap:24px;
  padding:24px;background:#fff;border:1px solid var(--line-soft);border-radius:20px;
  box-shadow:0 16px 40px rgba(14,21,36,.16);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h4{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em;margin-bottom:12px;}
.mega-list{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;}
.mega-list a{
  display:block;padding:8px 10px;border-radius:10px;
  font-size:14px;color:var(--ink-2);transition:.2s;
}
.mega-list a:hover{color:var(--primary-deep);background:var(--primary-soft);transform:translateX(4px);}
.mega-cards{display:grid;gap:12px;}
.mega-card{
  display:grid;grid-template-columns:64px 1fr;gap:12px;align-items:center;
  padding:10px;border:1px solid var(--line-soft);border-radius:16px;transition:.25s;
}
.mega-card:hover{border-color:rgba(18,194,160,.4);box-shadow:var(--sh-2);transform:translateY(-2px);}
.mega-card img{width:64px;height:48px;object-fit:cover;border-radius:12px;}
.mega-card b{display:block;font-size:14.5px;font-weight:600;color:var(--ink);}
.mega-card span span{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.5;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.2s;}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:72px;z-index:75;
  background:#fff;border-bottom:1px solid var(--line-soft);
  box-shadow:0 16px 36px rgba(14,21,36,.12);
  padding:16px 24px 24px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:14px 12px;border-radius:12px;
  font-size:15.5px;color:var(--ink-2);border-bottom:1px solid var(--line-soft);
}
.mobile-drawer a.is-active{color:var(--primary-deep);font-weight:600;background:var(--primary-soft);}
.mobile-drawer .btn{margin-top:16px;}

/* ===== 窄幅 KV ===== */
.kv{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(135deg,rgba(11,143,121,.94) 0%,rgba(91,58,232,.88) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.kv::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,201,74,.28),rgba(255,201,74,0) 70%);
}
.kv .grid-container{position:relative;z-index:2;padding-top:64px;padding-bottom:56px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.78);transition:.2s;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--lemon);font-weight:600;}
.kv h1{
  font-size:clamp(30px,4.6vw,48px);line-height:1.22;font-weight:700;letter-spacing:-.5px;
  max-width:820px;
}
.kv .kv-sub{margin-top:16px;max-width:680px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.9);}
.kv .kv-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.kv-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:999px;padding:8px 16px;font-size:13px;color:rgba(255,255,255,.9);
}
.kv-badge b{font-size:19px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;}

/* ===== 文档型布局 ===== */
.doc-layout{align-items:flex-start;}
.doc-side{
  position:sticky;top:104px;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:20px;box-shadow:var(--sh-1);
}
.doc-side h2{font-size:15px;font-weight:700;margin-bottom:6px;}
.doc-side .doc-hint{font-size:12.5px;color:var(--ink-3);margin-bottom:16px;}
.doc-group{margin-bottom:16px;}
.doc-group:last-child{margin-bottom:0;}
.doc-group-title{display:block;font-size:12.5px;font-weight:600;color:var(--ink-3);padding:4px 12px 6px;}
.doc-nav a{
  display:block;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:.22s;
}
.doc-nav a:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateX(4px);}
.doc-nav a.is-current{background:var(--primary-soft);color:var(--primary-deep);font-weight:600;border-left-color:var(--primary);}
.doc-side .side-cta{
  margin-top:20px;padding:16px;border-radius:16px;
  background:linear-gradient(135deg,rgba(18,194,160,.12),rgba(108,75,244,.12));
}
.doc-side .side-cta p{font-size:13px;color:var(--ink-2);margin-bottom:12px;}
.doc-side .side-cta .btn{height:42px;padding:0 18px;font-size:14px;}

/* ===== 时间线 ===== */
.timeline{position:relative;}
.tl-item{position:relative;padding:0 0 24px 74px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:19px;top:48px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(18,194,160,.55),rgba(228,232,238,.9));
}
.tl-item:last-child::before{display:none;}
.tl-node{
  position:absolute;left:0;top:4px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:13.5px;font-weight:700;
  background:#fff;border:2px solid #D6F3EC;color:var(--primary-deep);
  font-variant-numeric:tabular-nums;transition:.25s;
}
.tl-item.is-first .tl-node{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(11,143,121,.3);}
.tl-body{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--sh-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.tl-body:hover{transform:translateY(-4px);border-color:rgba(18,194,160,.3);box-shadow:var(--sh-3);}
.tl-meta{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--violet-deep);
  background:var(--violet-soft);border-radius:999px;padding:3px 10px;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.tl-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:6px;}
.tl-body p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ===== 自查图文区 ===== */
.check-panel{
  background:#fff;border:1px solid var(--line-soft);border-radius:28px;
  padding:36px;box-shadow:var(--sh-2);
}
.media-frame{
  border-radius:20px;overflow:hidden;position:relative;
  aspect-ratio:16/10;background:var(--primary-soft);
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.check-panel:hover .media-frame img{transform:scale(1.04);}
.check-list li{
  display:grid;grid-template-columns:28px 1fr;gap:12px;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li:first-child{padding-top:8px;}
.check-index{
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-deep);font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.check-list b{display:block;font-size:15.5px;font-weight:600;margin-bottom:4px;}
.check-list span{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ===== 信息表 ===== */
.table-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-card .table-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;border-bottom:1px solid var(--line-soft);flex-wrap:wrap;
}
.table-card .table-head h3{font-size:17px;font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;border-radius:999px;padding:4px 12px;
  background:var(--primary-soft);color:var(--primary-deep);
}
.tag-violet{background:var(--violet-soft);color:var(--violet-deep);}
.table-scroll{overflow-x:auto;}
.info-table{width:100%;min-width:640px;font-size:14.5px;}
.info-table th{
  background:#F7F9FB;text-align:left;font-size:13px;font-weight:600;color:var(--ink-2);
  padding:14px 24px;letter-spacing:.02em;
}
.info-table td{padding:16px 24px;border-top:1px solid var(--line-soft);color:var(--ink-2);vertical-align:top;line-height:1.7;}
.info-table tbody tr{transition:background .22s ease;}
.info-table tbody tr:hover{background:#FAFCFB;}
.info-table td:first-child{color:var(--ink);font-weight:600;}
.dot-list{display:grid;gap:6px;}
.dot-list li{position:relative;padding-left:14px;font-size:14px;color:var(--ink-2);}
.dot-list li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--primary);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--r-sm);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(18,194,160,.3);}
.faq-item[open]{border-color:rgba(18,194,160,.35);box-shadow:var(--sh-2);}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 24px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:500;color:var(--primary-deep);transition:transform .25s ease;
}
.faq-item[open] summary{color:var(--primary-deep);}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);line-height:1.85;}

/* ===== CTA 表单 ===== */
.cta-band{
  background:var(--dark);color:#fff;border-radius:28px;padding:48px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(18,194,160,.28),rgba(18,194,160,0) 70%);
}
.cta-band .cta-inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(23px,2.8vw,30px);line-height:1.32;font-weight:700;margin-bottom:16px;}
.cta-band .cta-desc{color:rgba(255,255,255,.82);font-size:15px;line-height:1.85;max-width:460px;}
.cta-points{margin-top:24px;display:grid;gap:12px;}
.cta-points li{display:grid;grid-template-columns:20px 1fr;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);align-items:start;}
.cta-points li::before{
  content:"";width:18px;height:18px;border-radius:50%;margin-top:5px;
  background:rgba(18,194,160,.2) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2312C2A0' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>") center/12px no-repeat;
}
.form-card{background:#fff;border-radius:var(--r-lg);padding:28px;color:var(--ink);box-shadow:0 16px 40px rgba(0,0,0,.18);}
.form-card h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--ink-3);margin-bottom:20px;}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.form-field .req{color:var(--lemon);margin-left:2px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;font-size:14.5px;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--ink-3);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(18,194,160,.15);
}
.form-note{font-size:12.5px;color:var(--ink-3);margin-top:12px;line-height:1.6;}

/* ===== 文末操作 ===== */
.end-actions{
  display:flex;justify-content:center;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:8px;
}
.text-link{color:var(--primary-deep);font-weight:600;font-size:14.5px;border-bottom:2px solid transparent;transition:.2s;padding-bottom:2px;}
.text-link:hover{border-color:var(--primary);}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:.22s;}
.footer-col a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.back-top{
  display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:8px 16px;transition:.22s;
}
.back-top:hover{color:var(--primary);border-color:var(--primary);}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .nav-main,.has-mega,.nav-right .btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-right{margin-left:auto;}
  .doc-side{position:static;margin-bottom:24px;}
  .doc-side h2,.doc-side .doc-hint,.doc-side .side-cta{display:none;}
  .doc-nav{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .doc-nav::-webkit-scrollbar{display:none;}
  .doc-nav a{white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:999px;padding:8px 14px;}
  .doc-nav a:hover{transform:none;}
  .doc-nav a.is-current{border-color:var(--primary);}
  .doc-group{display:flex;gap:8px;margin-bottom:8px;}
  .doc-group:last-child{margin-bottom:0;}
  .doc-group-title{display:none;}
  .cta-band{padding:36px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .kv .grid-container{padding-top:44px;padding-bottom:40px;}
  .kv .kv-sub{font-size:15px;}
  .tl-item{padding-left:60px;}
  .tl-item::before{left:17px;}
  .tl-node{width:36px;height:36px;font-size:13px;}
  .tl-body{padding:18px 18px;}
  .check-panel{padding:22px;}
  .cta-band{padding:28px 20px;border-radius:24px;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-brand p{max-width:none;}
  .site-footer{padding-top:48px;margin-top:64px;}
  .info-table{min-width:560px;}
  .info-table th,.info-table td{padding:12px 16px;}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
  .end-actions .btn{width:100%;}
}
@media (max-width:520px){
  .logo{font-size:16.5px;}
  .logo-mark{width:26px;height:26px;flex-basis:26px;}
  .tl-item{padding-left:52px;}
  .tl-item::before{left:15px;}
  .tl-node{width:32px;height:32px;font-size:12px;}
  .sec-head h2{font-size:23px;}
  .kv h1{font-size:27px;}
  .table-card .table-head{padding:16px 18px;}
}