/* roulang page: index */
:root{
  --orange:#FF5C2E;
  --orange-deep:#E84A1E;
  --teal:#0E9F8E;
  --teal-soft:rgba(14,159,142,.08);
  --ink:#0C1A17;
  --sand:#F6F3EE;
  --card:#FFFFFF;
  --line:#E7E1D8;
  --text:#14201D;
  --muted:#5A6B66;
  --weak:#8A9894;
  --ok:#12A150;
  --warn:#E5A100;
  --err:#D93A3A;
  --grad:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 10px 30px rgba(12,26,23,.08);
  --shadow-hover:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--sand);
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--teal);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:42px;line-height:1.25;letter-spacing:-.2px;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;}
p{font-size:16.5px;line-height:1.75;color:var(--muted);}
p+p{margin-top:14px;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--ink{background:var(--ink);color:#fff;}
.section--ink p{color:rgba(255,255,255,.78);}
.section--white{background:#fff;}

/* ---------- Foundation 栅格覆盖 ---------- */
.grid-x{display:flex;flex-wrap:wrap;gap:var(--gap);}
.grid-x>.cell{flex:1 1 100%;min-width:0;padding-left:0;padding-right:0;}
.grid-x.align-middle{align-items:center;}
.grid-x>.cell.small-12{flex:0 0 100%;}
@media (min-width:641px){
  .grid-x>.cell.medium-6{flex:0 0 calc(50% - var(--gap)/2);}
  .grid-x>.cell.medium-5{flex:0 0 calc(41.666% - var(--gap)/2);}
  .grid-x>.cell.medium-7{flex:0 0 calc(58.333% - var(--gap)/2);}
}
@media (min-width:1025px){
  .grid-x>.cell.large-3{flex:0 0 calc(25% - var(--gap)*3/4);}
  .grid-x>.cell.large-4{flex:0 0 calc(33.333% - var(--gap)*2/3);}
  .grid-x>.cell.large-5{flex:0 0 calc(41.666% - var(--gap)/2);}
  .grid-x>.cell.large-7{flex:0 0 calc(58.333% - var(--gap)/2);}
  .grid-x>.cell.large-8{flex:0 0 calc(66.666% - var(--gap)/3*2);}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border:0;border-radius:999px;
  font-size:15.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:all .2s var(--ease);text-align:center;
}
.btn--primary{
  background:var(--orange);color:#fff;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 10px 22px rgba(255,92,46,.26);
}
.btn--primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-2px);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--ghost{background:transparent;color:var(--teal);border:1.5px solid var(--teal);}
.btn--ghost:hover{background:var(--teal-soft);color:var(--teal);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45);}
.btn--light:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}
.btn--sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn--block{width:100%;}
.btn:focus-visible{outline:2px solid var(--orange);outline-offset:3px;}

/* ---------- 顶部信息条 ---------- */
.ticker{background:var(--ink);color:rgba(255,255,255,.82);font-size:13px;height:36px;display:flex;align-items:center;}
.ticker__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.ticker__left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.ticker__left .dot{width:7px;height:7px;border-radius:50%;background:var(--orange);flex:0 0 auto;box-shadow:0 0 0 3px rgba(255,92,46,.22);}
.ticker__right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.ticker__right a{color:rgba(255,255,255,.9);}
.ticker__right a:hover{color:#fff;}
.ticker__right .sep{width:1px;height:12px;background:rgba(255,255,255,.24);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line);}
.nav-bar__inner{display:flex;align-items:center;gap:24px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:15px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(255,92,46,.3);
}
.logo__text{font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.2px;}
.logo:hover .logo__text{color:var(--text);}
.nav{flex:1 1 auto;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:8px;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav__link:hover{color:var(--text);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--orange);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}
.nav__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:all .2s var(--ease);}
.hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.is-open span:nth-child(2){opacity:0;}
.hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer{
  display:none;position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:#fff;z-index:80;
  padding:84px 24px 28px;box-shadow:-16px 0 40px rgba(12,26,23,.16);overflow-y:auto;
}
.drawer.is-open{display:block;}
.drawer__close{
  position:absolute;top:20px;right:20px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;cursor:pointer;font-size:18px;line-height:1;color:var(--muted);
}
.drawer__list{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer__list a{display:block;padding:13px 14px;border-radius:12px;font-size:16px;font-weight:500;color:var(--text);}
.drawer__list a:hover{background:var(--sand);color:var(--orange);}
.drawer__list a.is-active{background:rgba(255,92,46,.1);color:var(--orange);font-weight:600;}
.drawer__foot{border-top:1px solid var(--line);padding-top:18px;font-size:13.5px;color:var(--weak);display:flex;flex-direction:column;gap:8px;}
.scrim{position:fixed;inset:0;background:rgba(12,26,23,.45);z-index:70;display:none;}
.scrim.is-open{display:block;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:#fff;
  padding:72px 0 76px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 88% 6%,rgba(255,154,60,.16),transparent 62%),
    radial-gradient(760px 420px at 4% 92%,rgba(14,159,142,.13),transparent 60%),
    repeating-linear-gradient(115deg,rgba(12,26,23,.035) 0 1px,transparent 1px 26px);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:620px;height:620px;border-radius:50%;
  border:1.5px solid rgba(255,92,46,.16);box-shadow:0 0 0 60px rgba(14,159,142,.05);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,92,46,.1);color:var(--orange);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{color:var(--text);margin-bottom:18px;}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero__lead{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:14px;font-weight:500;}
.hero__desc{font-size:16px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 18px;box-shadow:var(--shadow);
}
.badge i{width:26px;height:26px;border-radius:50%;background:var(--teal-soft);color:var(--teal);display:flex;align-items:center;justify-content:center;font-size:13px;font-style:normal;}
.badge__num{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--orange);letter-spacing:-.5px;}
.badge__unit{font-size:12px;color:var(--muted);}
.hero__media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-hover);}
.hero__media img{width:100%;height:420px;object-fit:cover;}
.hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,26,23,0) 42%,rgba(12,26,23,.62) 100%);
}
.hero__float{
  position:absolute;left:22px;bottom:22px;z-index:3;background:rgba(255,255,255,.96);
  border-radius:var(--r-md);padding:14px 18px;display:flex;align-items:center;gap:12px;
  box-shadow:0 12px 30px rgba(12,26,23,.22);
}
.hero__float .num{font-size:24px;font-weight:800;color:var(--teal);font-variant-numeric:tabular-nums;}
.hero__float .txt{font-size:12.5px;color:var(--muted);line-height:1.4;}

/* ---------- 频道胶囊条 ---------- */
.chip-bar{padding:22px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.chip-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;}
.chip-scroll::-webkit-scrollbar{height:5px;}
.chip-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:99px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;padding:10px 20px;border-radius:999px;
  background:var(--sand);border:1px solid var(--line);font-size:14.5px;font-weight:500;color:var(--text);
  transition:all .2s var(--ease);
}
.chip:hover{background:#fff;border-color:var(--orange);color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow);}
.chip i{font-style:normal;font-size:15px;}

/* ---------- 通用板块头 ---------- */
.section__head{max-width:720px;margin-bottom:44px;}
.kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--orange);
  letter-spacing:.4px;margin-bottom:12px;
}
.kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad);}
.section__head h2{margin-bottom:14px;position:relative;padding-left:16px;}
.section__head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);}
.section--ink .section__head h2{color:#fff;}
.section__head p{max-width:660px;}

/* ---------- 权益阶梯 ---------- */
.ladder{position:relative;padding-left:34px;}
.ladder::before{
  content:"";position:absolute;left:9px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad);
}
.ladder__item{position:relative;margin-bottom:26px;}
.ladder__item:last-child{margin-bottom:0;}
.ladder__item:nth-child(2){margin-left:34px;}
.ladder__item:nth-child(3){margin-left:68px;}
.ladder__num{
  position:absolute;left:-34px;top:22px;width:22px;height:22px;border-radius:50%;
  background:#fff;border:3px solid var(--orange);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;
}
.ladder__card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;
  box-shadow:var(--shadow);transition:all .2s var(--ease);
}
.ladder__card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.ladder__card h3{margin-bottom:10px;}
.ladder__card p{font-size:15px;}
.ladder__card .btn{margin-top:16px;}

/* ---------- 套餐对比 ---------- */
.plan-grid{display:flex;gap:var(--gap);align-items:stretch;flex-wrap:wrap;}
.plan-card{
  flex:1 1 280px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px 26px;
  display:flex;flex-direction:column;position:relative;transition:all .2s var(--ease);
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.plan-card--featured{border:2px solid var(--orange);box-shadow:0 16px 40px rgba(255,92,46,.16);}
.plan-card__flag{
  position:absolute;top:-14px;left:26px;background:var(--orange);color:#fff;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:999px;letter-spacing:.5px;
}
.plan-card h3{font-size:21px;margin-bottom:6px;}
.plan-card__sub{font-size:13.5px;color:var(--weak);margin-bottom:20px;}
.plan-card__price{font-size:28px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;margin-bottom:6px;}
.plan-card__price span{font-size:13.5px;font-weight:500;color:var(--weak);margin-left:6px;}
.plan-card hr{border:0;border-top:1px solid var(--line);margin:20px 0;}
.plan-list{display:flex;flex-direction:column;gap:12px;margin-bottom:26px;flex:1 1 auto;}
.plan-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.6;}
.plan-list li::before{
  content:"✓";flex:0 0 auto;width:20px;height:20px;border-radius:50%;background:var(--teal-soft);color:var(--teal);
  font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:3px;font-weight:700;
}

/* ---------- 资讯列表 ---------- */
.news-grid{display:flex;gap:var(--gap);flex-wrap:wrap;}
.news-cards{flex:1 1 62%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);min-width:0;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;
  display:flex;flex-direction:column;transition:all .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.news-card__cover{aspect-ratio:16/10;background:var(--sand);overflow:hidden;}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.04);}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--orange);
  background:rgba(255,92,46,.1);padding:4px 12px;border-radius:999px;
}
.news-card h3{
  font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover h3{color:var(--orange);}
.news-card p{font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.news-card__meta{font-size:13px;color:var(--weak);margin-top:auto;display:flex;align-items:center;gap:10px;font-variant-numeric:tabular-nums;}
.news-side{flex:1 1 28%;min-width:260px;display:flex;flex-direction:column;gap:var(--gap);align-self:flex-start;position:sticky;top:96px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:var(--shadow);}
.side-card h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad);}
.side-links{display:flex;flex-wrap:wrap;gap:10px;}
.side-links a{
  font-size:13.5px;padding:8px 14px;border-radius:999px;background:var(--sand);border:1px solid var(--line);color:var(--muted);
}
.side-links a:hover{color:var(--orange);border-color:var(--orange);background:#fff;}
.side-feature{background:var(--ink);color:#fff;border:0;}
.side-feature h3{color:#fff;}
.side-feature h3::before{background:var(--grad);}
.side-feature p{font-size:14px;color:rgba(255,255,255,.78);margin-bottom:16px;}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--line);border-radius:20px;background:#fff;
  padding:56px 24px;text-align:center;color:var(--weak);
}
.empty-state .ico{
  width:54px;height:54px;border-radius:50%;border:1.5px solid var(--line);margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;font-size:22px;color:var(--weak);
}
.empty-state p{font-size:14.5px;margin-bottom:18px;}

/* ---------- 数据优势区 ---------- */
.stat-block{border-radius:var(--r-lg);overflow:hidden;position:relative;}
.stat-block img{width:100%;height:100%;min-height:320px;object-fit:cover;opacity:.85;}
.stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.stat-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:22px;
}
.stat-item .num{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-item .num em{font-style:normal;font-size:14px;font-weight:500;color:rgba(255,255,255,.7);margin-left:6px;}
.stat-item .label{font-size:13.5px;color:rgba(255,255,255,.72);margin-top:6px;}

/* ---------- 限时入口 ---------- */
.limited{
  position:relative;background:var(--ink);border-radius:var(--r-lg);padding:56px 48px;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.limited::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);padding:1.5px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.limited::after{
  content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.12);pointer-events:none;
}
.limited__text{position:relative;z-index:2;max-width:640px;}
.limited__text h2{color:#fff;margin-bottom:12px;}
.limited__text p{color:rgba(255,255,255,.78);font-size:15.5px;}
.limited__time{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:14px;color:#fff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:8px 16px;border-radius:999px;
  font-variant-numeric:tabular-nums;
}
.limited__time i{width:8px;height:8px;border-radius:50%;background:var(--orange);font-style:normal;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s var(--ease);
}
.faq details[open]{border-color:rgba(255,92,46,.4);}
.faq summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 22px;position:relative;
  font-size:16.5px;font-weight:600;color:var(--text);border-left:3px solid transparent;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"＋";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:18px;color:var(--orange);transition:transform .25s var(--ease);
}
.faq details[open] summary{border-left-color:var(--orange);color:var(--orange);}
.faq details[open] summary::after{transform:translateY(-50%) rotate(135deg);}
.faq .faq__body{padding:0 24px 22px;font-size:15.5px;color:var(--muted);line-height:1.8;}

/* ---------- 表单 ---------- */
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:34px;box-shadow:var(--shadow);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field label .req{color:var(--orange);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--sand);
  padding:13px 15px;font-size:15px;transition:all .2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(255,92,46,.14);
}
.field.has-error input{border-color:var(--err);background:rgba(217,58,58,.04);}
.field .err-msg{display:none;font-size:12.5px;color:var(--err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--muted);margin-bottom:22px;}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--orange);flex:0 0 auto;}
.check a{color:var(--teal);}
.info-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.info-list li{display:flex;gap:14px;align-items:flex-start;}
.info-list .ico{
  width:40px;height:40px;border-radius:12px;background:var(--teal-soft);color:var(--teal);
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:16px;
}
.info-list h4{font-size:16px;margin-bottom:3px;}
.info-list p{font-size:14.5px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-col h4{
  position:relative;color:#fff;font-size:14px;font-weight:700;margin-bottom:18px;padding-left:12px;letter-spacing:.3px;
}
.footer-col h4::before{content:"";position:absolute;left:0;top:3px;width:3px;height:14px;border-radius:3px;background:var(--orange);}
.footer-col p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:var(--teal);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .domain{font-size:11.5px;letter-spacing:.3px;}

/* ---------- 移动端底部咨询条 ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;z-index:55;
  border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(12,26,23,.08);
  padding:0 16px;align-items:center;gap:12px;
}
.mobile-bar .txt{flex:1 1 auto;font-size:13px;color:var(--muted);line-height:1.3;}
.mobile-bar .txt strong{display:block;font-size:14px;color:var(--text);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .hero{padding:56px 0 60px;}
  .hero__media img{height:360px;}
  .news-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav,.nav__actions .btn{display:none;}
  .hamburger{display:flex;}
  .nav-bar__inner{height:60px;}
  .ladder__item:nth-child(2),.ladder__item:nth-child(3){margin-left:0;}
}
@media (max-width:640px){
  body{font-size:16px;padding-bottom:56px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .ticker__left{font-size:12.5px;}
  .ticker__right{display:none;}
  .hero{padding:40px 0 48px;}
  .hero__cta .btn{width:100%;}
  .hero__media img{height:260px;}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;}
  .badge{flex:0 0 auto;}
  .news-cards{grid-template-columns:1fr;}
  .news-side{position:static;width:100%;}
  .plan-grid{flex-direction:column;}
  .stats-grid{grid-template-columns:1fr;}
  .limited{padding:36px 22px;flex-direction:column;align-items:stretch;}
  .limited .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .contact-card{padding:24px 20px;}
  .mobile-bar{display:flex;}
  .ladder{padding-left:26px;}
  .ladder__num{left:-26px;}
}

/* roulang page: article */
:root{
  --orange:#FF5C2E;
  --orange-dark:#E64A1E;
  --orange-soft:rgba(255,92,46,.12);
  --cyan:#0E9F8E;
  --cyan-dark:#0B8577;
  --cyan-soft:rgba(14,159,142,.12);
  --ink:#0C1A17;
  --sand:#F6F3EE;
  --white:#FFFFFF;
  --line:#E7E1D8;
  --text:#14201D;
  --text-2:#5A6B66;
  --text-3:#8A9894;
  --success:#12A150;
  --warn:#E5A100;
  --danger:#D93A3A;
  --grad:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 10px 30px rgba(12,26,23,.08);
  --shadow-2:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;line-height:1.75;color:var(--text);background:var(--sand);
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
::selection{background:rgba(255,92,46,.22);color:var(--ink)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);height:36px;display:flex;align-items:center;font-size:13px}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.topbar__notice{display:flex;align-items:center;gap:9px;min-width:0;color:rgba(255,255,255,.86)}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 3px rgba(255,92,46,.22);flex:none}
.topbar__notice span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar__links{display:flex;align-items:center;gap:20px;flex:none}
.topbar__links a{transition:color .2s var(--ease)}
.topbar__links a:hover{color:#fff}

/* ===== 主导航 ===== */
.header-main{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-main__inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.5px}
.brand__text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.nav{flex:1;display:flex;justify-content:center}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__link{position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:999px;transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav__link::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s var(--ease)}
.nav__link:hover{color:var(--ink)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--orange-dark);font-weight:600;background:var(--orange-soft)}
.header-actions{display:flex;align-items:center;gap:12px;flex:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--white);align-items:center;justify-content:center;flex-direction:column;gap:4px;cursor:pointer;padding:0;transition:border-color .2s var(--ease),background-color .2s var(--ease)}
.nav-toggle:hover{border-color:var(--orange);background:#FFF7F4}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ===== 抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(12,26,23,.5);z-index:70;opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease)}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:330px;background:var(--white);z-index:80;transform:translateX(102%);transition:transform .28s var(--ease);box-shadow:-20px 0 50px rgba(12,26,23,.18);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;justify-content:flex-end;margin-bottom:14px}
.drawer__close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--white);font-size:22px;line-height:1;cursor:pointer;color:var(--text-2)}
.drawer__close:hover{border-color:var(--orange);color:var(--orange)}
.drawer__list{display:flex;flex-direction:column}
.drawer__list a{display:block;padding:14px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.drawer__list a:hover,.drawer__list a.is-active{color:var(--orange);padding-left:10px}
.drawer__foot{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}
.drawer__foot p{font-size:13.5px;color:var(--text-3)}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;line-height:1;text-align:center;transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.btn--primary{background:var(--orange);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 8px 20px rgba(255,92,46,.26)}
.btn--primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 14px 28px rgba(255,92,46,.3)}
.btn--primary:active{transform:translateY(1px);box-shadow:inset 0 2px 5px rgba(0,0,0,.18)}
.btn--ghost{background:transparent;color:var(--cyan-dark);border:1.5px solid var(--cyan)}
.btn--ghost:hover{background:var(--cyan-soft);color:var(--cyan-dark);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--on-dark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.42)}
.btn--on-dark:hover{background:rgba(255,255,255,.12)}
.btn--sm{padding:10px 20px;font-size:14px}
.btn--block{width:100%}

/* ===== 通用块 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.5;white-space:nowrap}
.badge--orange{background:var(--orange-soft);color:var(--orange-dark)}
.badge--cyan{background:var(--cyan-soft);color:var(--cyan-dark)}

/* ===== 面包屑 ===== */
.page-top{background:var(--white);border-bottom:1px solid var(--line);padding:18px 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--text-3)}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb .sep{color:#C9C2B7}
.breadcrumb .current{color:var(--text-3);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章主体 ===== */
.article-section{padding:36px 0 64px}
.article-shell{max-width:880px;margin:0 auto;background:var(--white);border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow-1);padding:48px 52px 56px}
.article__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.article__title{
  font-size:clamp(25px,3.1vw,38px);
  line-height:1.32;
  font-weight:800;
  color:var(--ink);
  letter-spacing:.2px;
  word-break:break-word;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:18px;font-size:13.5px;color:var(--text-3)}
.meta-row i{color:var(--cyan);margin-right:5px}
.article__divider{height:1px;width:100%;margin-top:24px;background:linear-gradient(90deg,var(--orange) 0%,#FF9A3C 42%,var(--cyan) 100%);opacity:.55}

.article-content{max-width:820px;margin:0 auto;padding-top:32px;font-size:17px;line-height:1.85;color:var(--text)}
.article-content>*:first-child{margin-top:0}
.article-content p{margin:0 0 18px}
.article-content h2{font-size:24px;line-height:1.45;font-weight:800;color:var(--ink);margin:48px 0 16px;padding-left:14px;border-left:4px solid var(--orange)}
.article-content h3{font-size:20px;line-height:1.5;font-weight:700;color:var(--ink);margin:34px 0 12px}
.article-content h4{font-size:17px;font-weight:700;color:var(--ink);margin:26px 0 10px}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:24px}
.article-content ul li{position:relative;margin-bottom:10px;padding-left:4px}
.article-content ul li::before{content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--orange)}
.article-content ol{list-style:decimal}
.article-content ol li{margin-bottom:10px}
.article-content ol li::marker{color:var(--orange);font-weight:700}
.article-content blockquote{background:var(--sand);border-left:4px solid var(--orange);border-radius:0 var(--r-md) var(--r-md) 0;padding:18px 22px;margin:26px 0;color:var(--text-2);font-size:16px}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--r-md);margin:24px auto;height:auto}
.article-content figure{margin:26px 0}
.article-content figcaption{font-size:13.5px;color:var(--text-3);text-align:center;margin-top:10px}
.article-content a{color:var(--cyan-dark);border-bottom:1px solid rgba(14,159,142,.4);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-content a:hover{color:var(--orange-dark);border-color:rgba(255,92,46,.5)}
.article-content hr{border:0;height:1px;margin:40px 0;background:linear-gradient(90deg,transparent,var(--line) 20%,var(--line) 80%,transparent)}
.article-content strong{color:var(--ink)}
.article-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-content th{background:var(--sand);font-weight:700;color:var(--ink)}
.article-content code{background:var(--sand);border-radius:6px;padding:2px 6px;font-size:.92em;color:var(--cyan-dark)}

.empty-state{text-align:center;padding:28px 0 12px}
.empty-state__icon{width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--sand);color:var(--cyan);display:flex;align-items:center;justify-content:center;font-size:24px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px;border:0;padding:0}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ===== 底部导航双格 ===== */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:880px;margin:26px auto 0}
.post-nav__item{display:flex;flex-direction:column;gap:6px;padding:20px 22px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.post-nav__item:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#F3D8CB}
.post-nav__label{font-size:12px;color:var(--text-3);letter-spacing:.4px}
.post-nav__item strong{font-size:16px;color:var(--ink);font-weight:700}
.post-nav__item:hover strong{color:var(--orange-dark)}
.post-nav__item--next{text-align:right}

/* ===== 相关栏目 ===== */
.section{padding:72px 0}
.section--sand{background:var(--sand)}
.section__head{max-width:760px;margin-bottom:32px}
.section__eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--orange-dark);letter-spacing:.6px;margin-bottom:12px}
.section__eyebrow::before{content:"";width:20px;height:3px;border-radius:3px;background:var(--grad)}
.section__title{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:800;color:var(--ink)}
.section__desc{margin-top:12px;font-size:15.5px;color:var(--text-2)}

.col-card{display:flex;flex-direction:column;height:100%;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.col-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.col-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--sand)}
.col-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.col-card:hover .col-card__media img{transform:scale(1.05)}
.col-card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.col-card__body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;transition:color .2s var(--ease)}
.col-card:hover .col-card__body h3{color:var(--orange-dark)}
.col-card__body p{font-size:14.5px;color:var(--text-2);line-height:1.72;flex:1}
.col-card__more{font-size:13.5px;font-weight:700;color:var(--cyan-dark);display:inline-flex;align-items:center;gap:6px}

/* ===== 深色 CTA ===== */
.cta-wrap{padding:8px 0 80px}
.cta-band{position:relative;background:var(--ink);color:#fff;border-radius:var(--r-xl);padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);opacity:.55;pointer-events:none;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude}
.cta-band::after{content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,92,46,.28),transparent 68%);pointer-events:none}
.cta-band__text{position:relative;z-index:1;max-width:640px}
.cta-band__text h2{font-size:clamp(21px,2.2vw,28px);font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-band__text p{color:rgba(255,255,255,.78);font-size:15.5px}
.cta-band__action{position:relative;z-index:1;flex:none;display:flex;gap:12px;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.15fr;gap:36px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;position:relative;padding-left:12px;margin-bottom:16px;line-height:1.6}
.footer-col h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:2px;background:var(--orange)}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col ul li{margin-bottom:11px;font-size:14px}
.footer-col ul a{color:rgba(255,255,255,.72);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--cyan)}
.footer-col ul span{color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:44px;padding:20px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .domain{letter-spacing:.4px}

/* ===== 移动端底部咨询条 ===== */
.mobile-bar{display:none}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .container{padding:0 20px}
  .nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn{display:none}
  .header-main__inner{height:62px;gap:14px}
  .brand__text{font-size:16.5px}
  .article-shell{padding:34px 28px 40px;border-radius:var(--r-lg)}
  .article-content{padding-top:26px;font-size:16.5px;line-height:1.82}
  .article-content h2{font-size:21px;margin-top:38px}
  .section{padding:56px 0}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;gap:22px}
  .cta-wrap{padding-bottom:60px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .post-nav{grid-template-columns:1fr;gap:14px}
  .post-nav__item--next{text-align:left}
}
@media (max-width:640px){
  .topbar__links{display:none}
  .topbar__notice{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .article-section{padding:22px 0 44px}
  .article-shell{padding:24px 18px 30px;border-radius:var(--r-md)}
  .article__title{font-size:24px}
  .meta-row{gap:6px 14px;font-size:13px}
  .section{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band__action{width:100%}
  .cta-band__action .btn{width:100%}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;height:56px;background:var(--white);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(12,26,23,.08);z-index:60}
  .mobile-bar a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;font-size:15px;font-weight:600;color:var(--text)}
  .mobile-bar a:first-child{color:var(--orange-dark)}
  .mobile-bar a+a{border-left:1px solid var(--line)}
  body{padding-bottom:56px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --brand-orange:#FF5C2E;
  --brand-orange-deep:#E94F22;
  --brand-teal:#0E9F8E;
  --brand-teal-deep:#0B7A6C;
  --brand-gradient:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --ink:#14201D;
  --ink-2:#5A6B66;
  --ink-3:#8A9894;
  --deep:#0C1A17;
  --sand:#F6F3EE;
  --surface:#FFFFFF;
  --line:#E7E1D8;
  --success:#12A150;
  --warn:#E5A100;
  --danger:#D93A3A;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px rgba(12,26,23,.08);
  --shadow-lg:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-teal);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-orange);outline-offset:2px;
}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ink);}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--deep);
  color:rgba(255,255,255,.78);
  font-size:13.5px;
  height:36px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar__notice{
  display:flex;align-items:center;gap:8px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.topbar__notice i{color:var(--brand-orange);}
.topbar__meta{display:flex;align-items:center;gap:20px;white-space:nowrap;}
.topbar__meta a{color:rgba(255,255,255,.78);font-size:13.5px;}
.topbar__meta a:hover{color:#fff;}
.topbar__dot{color:var(--brand-teal);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(12,26,23,.05);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  color:var(--ink);
  white-space:nowrap;
}
.logo__mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-gradient);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(255,92,46,.3);
}
.logo span{color:var(--brand-orange);}
.logo:hover{color:var(--ink);}
.nav{flex:1;display:flex;justify-content:center;}
.nav__list{display:flex;align-items:center;gap:6px;}
.nav__link{
  position:relative;
  display:inline-block;
  padding:10px 13px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
}
.nav__link::after{
  content:"";
  position:absolute;left:13px;right:13px;bottom:4px;height:2px;
  background:var(--brand-gradient);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav__link:hover{color:var(--ink);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{
  color:var(--brand-orange);
  background:rgba(255,92,46,.08);
}
.nav__link.is-active::after{transform:scaleX(1);}
.header__actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:var(--sand);border:1px solid var(--line);
  color:var(--ink);font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:#EFEAE1;}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--surface);
  box-shadow:-14px 0 40px rgba(12,26,23,.18);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  z-index:120;
  display:flex;flex-direction:column;
  padding:20px 20px 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer__title{font-size:16px;font-weight:700;}
.drawer__close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--sand);cursor:pointer;font-size:16px;color:var(--ink);
}
.drawer__link{
  display:block;
  padding:14px 14px;
  border-radius:12px;
  font-size:15.5px;
  font-weight:600;
  color:var(--ink-2);
}
.drawer__link:hover{background:var(--sand);color:var(--ink);}
.drawer__link.is-active{background:rgba(255,92,46,.1);color:var(--brand-orange);}
.drawer__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:grid;gap:10px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,26,23,.45);
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:110;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;font-weight:700;
  border:0;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  text-align:center;
  line-height:1.2;
}
.btn--primary{
  background:var(--brand-orange);color:#fff;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 10px 24px rgba(255,92,46,.26);
}
.btn--primary:hover{background:var(--brand-orange-deep);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 14px 30px rgba(255,92,46,.34);}
.btn--outline{
  background:transparent;color:var(--brand-teal-deep);
  border:1.5px solid var(--brand-teal);
}
.btn--outline:hover{background:rgba(14,159,142,.08);border-color:var(--brand-teal-deep);color:var(--brand-teal-deep);}
.btn--ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);
}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;}
.btn--dark{
  background:var(--deep);color:#fff;
}
.btn--dark:hover{background:#12261f;color:#fff;}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}
.btn:active{transform:translateY(1px);box-shadow:none;}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--sand{background:var(--sand);}
.section--white{background:var(--surface);}
.section--deep{background:var(--deep);color:rgba(255,255,255,.78);}
.section--deep .section__title{color:#fff;}
.section__head{max-width:760px;margin-bottom:40px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand-orange);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:3px;border-radius:3px;background:var(--brand-orange);
}
.eyebrow--light{color:#FF9A3C;}
.eyebrow--light::before{background:#FF9A3C;}
.section__title{
  font-size:30px;
  line-height:1.32;
  margin-bottom:14px;
  position:relative;
}
.section__desc{color:var(--ink-2);font-size:16px;}
.section--deep .section__desc{color:rgba(255,255,255,.72);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:center;
  padding:72px 0 64px;
  background-image:linear-gradient(100deg,rgba(12,26,23,.94) 0%,rgba(12,26,23,.82) 46%,rgba(14,159,142,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-200px;
  width:620px;height:620px;
  border-radius:50%;
  border:2px solid rgba(255,154,60,.28);
  box-shadow:0 0 0 70px rgba(255,92,46,.07),0 0 0 140px rgba(14,159,142,.06);
  pointer-events:none;
}
.page-hero__inner{position:relative;z-index:2;max-width:820px;}
.page-hero h1{
  font-size:42px;
  line-height:1.24;
  color:#fff;
  margin-bottom:18px;
}
.page-hero__lead{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.86);
  margin-bottom:26px;
  max-width:680px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;
}
.fact{
  display:inline-flex;align-items:baseline;gap:7px;
  padding:9px 18px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);
  color:rgba(255,255,255,.9);
  font-size:13px;
  backdrop-filter:blur(6px);
}
.fact b{
  font-size:20px;
  font-variant-numeric:tabular-nums;
  color:#FFB27A;
  font-weight:800;
}
.fact span{font-size:12px;}
.crumb{
  font-size:13.5px;
  color:rgba(255,255,255,.7);
  margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.8);}
.crumb a:hover{color:#fff;}
.crumb i{font-size:10px;margin:0 8px;opacity:.6;}

/* ---------- 左文右图 ---------- */
.split{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.split--reverse .split__media{order:-1;}
.split__body h2{
  font-size:30px;
  margin-bottom:18px;
  padding-left:16px;
  position:relative;
}
.split__body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:4px;
  background:var(--brand-gradient);
}
.split__media{position:relative;}
.split__media img{
  width:100%;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  object-fit:cover;
  aspect-ratio:4/3;
}
.media-float{
  position:absolute;
  left:-18px;bottom:22px;
  background:var(--surface);
  border-radius:999px;
  padding:12px 20px;
  box-shadow:var(--shadow-lg);
  display:flex;align-items:baseline;gap:8px;
}
.media-float b{font-size:22px;color:var(--brand-orange);font-variant-numeric:tabular-nums;}
.media-float span{font-size:12px;color:var(--ink-2);}
.stat-row{
  display:flex;flex-wrap:wrap;gap:14px;
  margin:26px 0 30px;
}
.stat{
  flex:1 1 150px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 18px;
  box-shadow:var(--shadow-sm);
}
.stat b{
  display:block;
  font-size:24px;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
  color:var(--brand-orange);
  font-weight:800;
  margin-bottom:4px;
}
.stat span{font-size:12.5px;color:var(--ink-2);}
.stat--teal b{color:var(--brand-teal);}

/* ---------- 要点清单 ---------- */
.checklist{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px 22px;
  margin-top:8px;
}
.checklist__item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:16px 18px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.checklist__item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:#DCD4C7;
}
.checklist__icon{
  flex:0 0 36px;
  width:36px;height:36px;
  border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,159,142,.1);
  color:var(--brand-teal);
  font-size:15px;
}
.checklist__item h3{font-size:16px;margin-bottom:4px;}
.checklist__item p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.65;}

/* ---------- 横向条带 ---------- */
.strip-wrap{position:relative;}
.strip{
  display:flex;
  gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 20px;
  -webkit-overflow-scrolling:touch;
}
.strip::-webkit-scrollbar{height:6px;}
.strip::-webkit-scrollbar-thumb{background:#DCD4C7;border-radius:6px;}
.strip::-webkit-scrollbar-track{background:transparent;}
.strip-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:22px 22px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.strip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.strip-card__time{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;
  color:var(--brand-orange);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.strip-card h3{font-size:17.5px;margin-bottom:8px;}
.strip-card p{font-size:14px;color:var(--ink-2);margin:0 0 14px;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:var(--sand);
  color:var(--ink-2);
  border:1px solid var(--line);
}
.chip--orange{background:rgba(255,92,46,.1);color:var(--brand-orange-deep);border-color:rgba(255,92,46,.22);}
.chip--teal{background:rgba(14,159,142,.1);color:var(--brand-teal-deep);border-color:rgba(14,159,142,.22);}

/* ---------- 相关频道 ---------- */
.links-grid{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:24px;
  align-items:start;
}
.entry-list{display:grid;gap:16px;}
.entry{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:18px 22px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.entry:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DCD4C7;}
.entry__icon{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-gradient);
  color:#fff;font-size:17px;
}
.entry h3{font-size:17px;margin-bottom:4px;}
.entry p{font-size:14px;color:var(--ink-2);margin:0;}
.entry__arrow{color:var(--ink-3);font-size:15px;transition:transform .2s var(--ease),color .2s var(--ease);}
.entry:hover .entry__arrow{color:var(--brand-orange);transform:translateX(4px);}
.side-card{
  position:sticky;top:110px;
  background:var(--deep);
  color:rgba(255,255,255,.78);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  box-shadow:var(--shadow-lg);
}
.side-card h3{color:#fff;font-size:19px;margin-bottom:10px;}
.side-card p{font-size:14px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.side-card .btn{width:100%;}
.side-card__meta{
  margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:rgba(255,255,255,.62);
  display:grid;gap:8px;
}
.side-card__meta i{color:#FF9A3C;margin-right:8px;}

/* ---------- 深色数据块 ---------- */
.dark-block{
  background:var(--deep);
  border-radius:var(--radius-lg);
  padding:52px 46px;
  color:rgba(255,255,255,.78);
  position:relative;
  overflow:hidden;
}
.dark-block::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--brand-gradient);
}
.dark-block__grid{
  display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  position:relative;z-index:2;
}
.dark-block h2{color:#fff;font-size:28px;margin-bottom:14px;}
.dark-block p{font-size:15px;color:rgba(255,255,255,.72);}
.dark-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.dark-stat{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);
  padding:20px 18px;
}
.dark-stat b{
  display:block;font-size:26px;color:#FFB27A;font-variant-numeric:tabular-nums;
  font-weight:800;line-height:1.2;margin-bottom:6px;
}
.dark-stat span{font-size:12.5px;color:rgba(255,255,255,.66);}

/* ---------- FAQ ---------- */
.faq{max-width:880px;}
.faq__item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item[open]{
  border-color:rgba(255,92,46,.35);
  box-shadow:var(--shadow-sm);
}
.faq__item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 22px 20px 22px;
  font-size:16.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  border-left:3px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item[open] summary{
  border-left:3px solid var(--brand-orange);
  color:var(--brand-orange-deep);
}
.faq__icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  background:var(--sand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--ink-2);
  transition:transform .25s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.faq__item[open] .faq__icon{transform:rotate(45deg);background:var(--brand-orange);color:#fff;}
.faq__body{padding:0 22px 22px 25px;color:var(--ink-2);font-size:15.5px;line-height:1.8;}

/* ---------- CTA 深色条 ---------- */
.cta-band{
  position:relative;
  background:var(--deep);
  border-radius:var(--radius-lg);
  padding:52px 46px;
  color:#fff;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);padding:1.5px;
  background:var(--brand-gradient);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:300px;height:300px;border-radius:50%;
  border:40px solid rgba(255,92,46,.08);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;margin:0;position:relative;z-index:2;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-col h4{
  color:#fff;
  font-size:14px;
  margin-bottom:18px;
  padding-left:12px;
  position:relative;
}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:3px;
  background:var(--brand-orange);
}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li a,.footer-col ul li span{
  font-size:14px;color:rgba(255,255,255,.68);
}
.footer-col ul li a:hover{color:var(--brand-teal);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}
.footer-bottom .domain{font-size:12px;color:rgba(255,255,255,.4);letter-spacing:.4px;}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{
  display:none;
  position:fixed;left:0;right:0;bottom:0;height:56px;z-index:90;
  background:var(--surface);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(12,26,23,.08);
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  gap:10px;
}
.mobile-bar__text{font-size:13px;color:var(--ink-2);line-height:1.3;}
.mobile-bar__text b{display:block;font-size:14px;color:var(--ink);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .nav{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header__actions .btn--primary{display:none;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split--reverse .split__media{order:0;}
  .split__media img{aspect-ratio:16/10;}
  .links-grid{grid-template-columns:1fr;}
  .side-card{position:static;}
  .dark-block__grid{grid-template-columns:1fr;gap:28px;}
  .dark-block{padding:40px 30px;}
  .cta-band{grid-template-columns:1fr;padding:40px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:72px 0;}
  .section__title{font-size:26px;}
  .page-hero h1{font-size:34px;}
  .split__body h2{font-size:26px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;padding-bottom:56px;}
  .container{padding:0 16px;}
  .topbar{font-size:12.5px;}
  .topbar__meta{display:none;}
  .header__inner{min-height:60px;gap:12px;}
  .logo{font-size:17px;}
  .logo__mark{width:30px;height:30px;border-radius:10px;font-size:12px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section__head{margin-bottom:28px;}
  .section__title{font-size:22px;margin-bottom:12px;}
  .page-hero{min-height:auto;padding:52px 0 48px;}
  .page-hero h1{font-size:28px;line-height:1.3;}
  .page-hero__lead{font-size:15.5px;}
  .hero-cta .btn{width:100%;}
  .hero-facts{gap:10px;margin-top:24px;}
  .fact{flex:0 0 auto;padding:8px 14px;}
  .fact b{font-size:18px;}
  .split__body h2{font-size:22px;padding-left:13px;}
  .split__media img{aspect-ratio:16/11;border-radius:var(--radius-md);}
  .media-float{left:10px;bottom:12px;padding:9px 15px;}
  .media-float b{font-size:18px;}
  .stat-row{gap:10px;margin:20px 0 24px;}
  .stat{flex:1 1 100%;padding:14px 16px;}
  .stat b{font-size:21px;}
  .checklist{grid-template-columns:1fr;gap:12px;}
  .checklist__item{padding:14px 16px;}
  .strip-card{flex:0 0 82%;}
  .entry{grid-template-columns:auto 1fr;gap:14px;padding:16px;}
  .entry__arrow{display:none;}
  .dark-block{padding:30px 22px;border-radius:20px;}
  .dark-block h2{font-size:22px;}
  .dark-stats{grid-template-columns:1fr;gap:12px;}
  .dark-stat b{font-size:22px;}
  .faq__item summary{font-size:15.5px;padding:16px 16px;}
  .faq__body{padding:0 16px 18px 19px;font-size:15px;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-band h2{font-size:22px;}
  .cta-band__actions .btn{width:100%;}
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .mobile-bar{display:flex;}
}

/* roulang page: category2 */
:root{
  --orange:#FF5C2E;
  --orange-d:#E84E22;
  --teal:#0E9F8E;
  --teal-d:#0B8476;
  --ink:#0C1A17;
  --sand:#F6F3EE;
  --white:#FFFFFF;
  --line:#E7E1D8;
  --t1:#14201D;
  --t2:#5A6B66;
  --t3:#8A9894;
  --ok:#12A150;
  --warn:#E5A100;
  --err:#D93A3A;
  --grad:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(12,26,23,.08);
  --sh-h:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--t1);
  background:var(--sand);
  padding-bottom:0;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--teal)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--t1)}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--sand)}
.section--white{background:var(--white)}
.section--ink{background:var(--ink);color:#fff}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);height:36px;font-size:13px;display:flex;align-items:center;overflow:hidden}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;white-space:nowrap}
.topbar__notice{display:flex;align-items:center;gap:8px;overflow:hidden;text-overflow:ellipsis}
.topbar__notice i{color:var(--orange)}
.topbar__meta{display:flex;align-items:center;gap:18px}
.topbar__meta a{color:rgba(255,255,255,.78)}
.topbar__meta a:hover{color:var(--orange)}
.topbar__meta span{color:rgba(255,255,255,.6)}

/* ---------- 导航 ---------- */
.site-header{background:var(--white);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;box-shadow:0 4px 18px rgba(12,26,23,.05)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;letter-spacing:.5px}
.brand__text{font-size:19px;font-weight:800;letter-spacing:.2px;color:var(--t1)}
.nav{flex:1;display:flex;justify-content:center}
.nav__list{display:flex;align-items:center;gap:6px}
.nav__link{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--t2);border-radius:999px}
.nav__link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav__link:hover{color:var(--t1)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--orange);font-weight:700}
.nav__link.is-active::after{transform:scaleX(1)}
.header__cta{flex-shrink:0}
.burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;font-size:17px;color:var(--t1)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.2px;transition:all .2s var(--ease);white-space:nowrap}
.btn--main{background:var(--orange);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 8px 22px rgba(255,92,46,.28)}
.btn--main:hover{background:var(--orange-d);color:#fff;transform:translateY(-2px);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 14px 30px rgba(255,92,46,.34)}
.btn--main:active{transform:translateY(1px);box-shadow:none}
.btn--ghost{background:transparent;color:var(--teal);border:1.5px solid var(--teal)}
.btn--ghost:hover{background:rgba(14,159,142,.08);color:var(--teal-d);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(1px)}
.btn--light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.6)}
.btn--light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn--block{width:100%}
.btn--sm{padding:9px 18px;font-size:14px}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;padding:64px 0 72px;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(12,26,23,.95) 0%,rgba(12,26,23,.78) 44%,rgba(12,26,23,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;border:40px solid rgba(255,255,255,.05);pointer-events:none}
.hero__inner{position:relative;z-index:2;min-height:300px;display:flex;align-items:center}
.breadcrumb{font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb a{color:rgba(255,255,255,.66)}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb span.sep{color:rgba(255,255,255,.35)}
.breadcrumb span.now{color:rgba(255,255,255,.9)}
.hero h1{font-size:42px;line-height:1.25;color:#fff;letter-spacing:.5px}
.hero__sub{font-size:17px;color:rgba(255,255,255,.86);margin-top:16px;font-weight:600}
.hero__desc{font-size:15.5px;color:rgba(255,255,255,.78);margin-top:14px;max-width:620px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.badge{display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(4px)}
.badge i{color:var(--orange);font-size:15px}
.badge__num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;line-height:1}
.badge__unit{font-size:12px;color:rgba(255,255,255,.72);margin-left:2px}
.badge__label{font-size:13px;color:rgba(255,255,255,.8)}

/* ---------- 数据条 ---------- */
.strip{background:var(--white);border-bottom:1px solid var(--line)}
.strip__inner{display:flex;flex-wrap:wrap;gap:14px 34px;align-items:center;padding:22px 0}
.strip__item{display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--t2)}
.strip__item strong{font-size:22px;color:var(--orange);font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--orange);letter-spacing:1.4px;text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--grad)}
.sec-head h2{font-size:30px;line-height:1.32}
.sec-head h2::before{content:"";display:block;width:44px;height:4px;border-radius:4px;background:var(--orange);margin-bottom:16px}
.sec-head--center h2::before{margin-left:auto;margin-right:auto}
.sec-head p{margin-top:16px;color:var(--t2);font-size:16px}

/* ---------- 步骤条 ---------- */
.steps-wrap{background:var(--white);border-radius:var(--r-lg);padding:40px 36px;box-shadow:var(--sh);border:1px solid var(--line)}
.steps{position:relative}
.steps::before{content:"";position:absolute;left:26px;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad);opacity:.3}
.step{position:relative;padding-left:78px;padding-bottom:34px}
.step:last-child{padding-bottom:0}
.step__no{position:absolute;left:0;top:0;width:54px;height:54px;border-radius:999px;background:var(--orange);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;box-shadow:0 10px 22px rgba(255,92,46,.3);z-index:2}
.step__body h3{font-size:20px;margin-bottom:8px}
.step__body p{color:var(--t2);font-size:15.5px}
.step__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;background:var(--sand);color:var(--t2);border:1px solid var(--line)}
.tag--teal{background:rgba(14,159,142,.1);color:var(--teal-d);border-color:rgba(14,159,142,.22)}

/* ---------- 侧栏粘性卡 ---------- */
.side-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh)}
.side-card h3{font-size:19px;margin-bottom:10px}
.side-card p{font-size:14.5px;color:var(--t2)}
.side-card__list{margin:18px 0 22px;display:grid;gap:10px}
.side-card__list li{font-size:14.5px;color:var(--t2);display:flex;gap:9px;align-items:flex-start}
.side-card__list i{color:var(--teal);margin-top:4px;font-size:13px}
.side-card__foot{margin-top:14px;font-size:13px;color:var(--t3);text-align:center}

/* ---------- 口径说明 ---------- */
.note-card{background:var(--white);border-radius:var(--r-lg);padding:34px;box-shadow:var(--sh);border:1px solid var(--line)}
.note-card h3{font-size:22px;margin-bottom:14px}
.note-card p{color:var(--t2);font-size:15.5px;margin-bottom:14px}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--t1)}
.check-list i{flex-shrink:0;width:24px;height:24px;border-radius:50%;background:rgba(14,159,142,.12);color:var(--teal-d);display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px}
.figure{border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh)}
.figure img{width:100%;height:100%;object-fit:cover}
.figure-cap{font-size:13px;color:var(--t3);margin-top:10px}

/* ---------- 内链卡片 ---------- */
.link-card{display:block;background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);height:100%}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(255,92,46,.35)}
.link-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--sand)}
.link-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.link-card:hover .link-card__img img{transform:scale(1.03)}
.link-card__body{padding:22px}
.link-card__body h3{font-size:17.5px;margin-bottom:8px;transition:color .2s var(--ease)}
.link-card:hover .link-card__body h3{color:var(--orange)}
.link-card__body p{font-size:14.5px;color:var(--t2)}
.link-card__more{margin-top:14px;font-size:13.5px;color:var(--teal);font-weight:700;display:inline-flex;align-items:center;gap:6px}

/* ---------- 深色 CTA ---------- */
.cta-block{position:relative;background:var(--ink);border-radius:var(--r-lg);padding:52px 44px;color:#fff;overflow:hidden;border:1px solid transparent;background-image:linear-gradient(var(--ink),var(--ink)),var(--grad);background-origin:border-box;background-clip:padding-box,border-box}
.cta-block::before{content:"";position:absolute;right:-90px;bottom:-120px;width:320px;height:320px;border-radius:50%;border:34px solid rgba(255,255,255,.05)}
.cta-block h2{color:#fff;font-size:28px;position:relative;z-index:2}
.cta-block p{color:rgba(255,255,255,.78);margin-top:14px;max-width:640px;position:relative;z-index:2;font-size:15.5px}
.cta-block__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;position:relative;z-index:2}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq__item{background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq__item.is-open{border-color:rgba(255,92,46,.4);box-shadow:var(--sh)}
.faq__q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 22px;text-align:left;font-size:16.5px;font-weight:700;color:var(--t1);position:relative}
.faq__q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--orange);opacity:0;transition:opacity .2s var(--ease)}
.faq__item.is-open .faq__q::before{opacity:1}
.faq__q i{color:var(--orange);transition:transform .25s var(--ease);flex-shrink:0}
.faq__item.is-open .faq__q i{transform:rotate(180deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq__a p{padding:0 22px 22px 22px;color:var(--t2);font-size:15.5px}

/* ---------- 表单 ---------- */
.form-card{background:var(--white);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh)}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--t1)}
.form-row .req{color:var(--orange)}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:13px 15px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--sand);font-size:15px;color:var(--t1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 3px rgba(255,92,46,.14)}
.form-row textarea{min-height:108px;resize:vertical}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--t2);margin-bottom:20px}
.form-check input{width:17px;height:17px;margin-top:3px;accent-color:var(--orange)}
.form-hint{font-size:12.5px;color:var(--t3);margin-top:8px}
.form-err{display:none;font-size:12.5px;color:var(--err);margin-top:6px}
.form-row.has-err input,.form-row.has-err select{border-color:var(--err)}
.form-row.has-err .form-err{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:34px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.4px;padding-left:12px;position:relative;margin-bottom:18px}
.footer-col h4::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:3px;border-radius:3px;background:var(--orange)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72)}
.footer-col ul{display:grid;gap:11px}
.footer-col li a,.footer-col li span{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col li a:hover{color:var(--teal)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom .domain{color:rgba(255,255,255,.4)}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0 0 0 auto;width:82%;max-width:340px;background:#fff;z-index:120;transform:translateX(102%);transition:transform .3s var(--ease);display:flex;flex-direction:column;padding:22px;box-shadow:-14px 0 40px rgba(12,26,23,.18)}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer__head strong{font-size:16px}
.drawer__close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.drawer__list{display:grid;gap:4px}
.drawer__list a{display:block;padding:13px 14px;border-radius:12px;font-size:15.5px;color:var(--t2)}
.drawer__list a.is-active{background:rgba(255,92,46,.1);color:var(--orange);font-weight:700}
.drawer__foot{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);display:grid;gap:12px}
.overlay{position:fixed;inset:0;background:rgba(12,26,23,.5);opacity:0;visibility:hidden;transition:opacity .3s var(--ease);z-index:110}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- 移动底栏 ---------- */
.mobile-bar{display:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .nav{display:none}
  .header__cta{display:none}
  .burger{display:flex}
  .hero h1{font-size:34px}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .steps-wrap{padding:30px 24px}
}
@media screen and (max-width:640px){
  body{font-size:16px;padding-bottom:56px}
  .topbar{height:auto;padding:8px 0;font-size:12.5px}
  .topbar__meta{display:none}
  .header__inner{height:60px}
  .brand__text{font-size:17px}
  .hero{padding:44px 0 52px}
  .hero h1{font-size:28px}
  .hero__inner{min-height:auto}
  .hero__actions .btn{width:100%}
  .hero__badges{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch}
  .hero__badges .badge{flex-shrink:0}
  .section{padding:56px 0}
  .sec-head h2{font-size:22px}
  .sec-head{margin-bottom:32px}
  .step{padding-left:60px}
  .step__no{width:44px;height:44px;font-size:15px}
  .steps::before{left:21px}
  .step__body h3{font-size:17.5px}
  .steps-wrap{padding:24px 18px}
  .note-card{padding:24px 20px}
  .cta-block{padding:34px 24px}
  .cta-block h2{font-size:22px}
  .cta-block__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 0}
  .footer-bottom{justify-content:flex-start}
  .mobile-bar{display:flex;position:fixed;left:0;right:0;bottom:0;height:56px;background:#fff;border-top:1px solid var(--line);z-index:100;box-shadow:0 -6px 20px rgba(12,26,23,.08)}
  .mobile-bar a{flex:1;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;gap:8px}
  .mobile-bar a.mb-main{background:var(--orange);color:#fff}
  .mobile-bar a.mb-ghost{color:var(--teal)}
}
@media screen and (min-width:1025px){
  .sticky-col{position:sticky;top:96px}
}
@media screen and (max-width:1024px) and (min-width:641px){
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}

/* roulang page: category3 */
:root{
  --orange:#FF5C2E;
  --orange-600:#E84A1E;
  --orange-300:#FF9A3C;
  --orange-tint:rgba(255,92,46,.08);
  --teal:#0E9F8E;
  --teal-600:#0B8577;
  --ink:#0C1A17;
  --sand:#F6F3EE;
  --white:#FFFFFF;
  --line:#E7E1D8;
  --text:#14201D;
  --text-2:#5A6B66;
  --text-3:#8A9894;
  --ok:#12A150;
  --warn:#E5A100;
  --err:#D93A3A;
  --grad:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 10px 30px rgba(12,26,23,.08);
  --sh-2:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--sand);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
svg{display:block}
a{color:var(--teal-600);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--orange-600)}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
h1{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:.2px}
h2{font-size:30px;line-height:1.35;font-weight:800}
h3{font-size:20px;line-height:1.5;font-weight:700}
p{margin-bottom:14px}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15.5px;font-weight:600;line-height:1;
  border:1.5px solid transparent;text-align:center;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .16s var(--ease),box-shadow .2s var(--ease);
}
.btn--primary{
  background:var(--orange);color:#fff;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 6px 18px rgba(255,92,46,.28);
}
.btn--primary:hover{background:var(--orange-600);color:#fff}
.btn--primary:active{transform:translateY(1px);box-shadow:none}
.btn--outline{background:transparent;border-color:var(--teal);color:var(--teal-600)}
.btn--outline:hover{background:rgba(14,159,142,.08);color:var(--teal-600);border-color:var(--teal-600)}
.btn--outline:active{transform:translateY(1px)}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--ghost:active{transform:translateY(1px)}
.btn--sm{height:40px;padding:0 20px;font-size:14px}
.btn--lg{height:54px;padding:0 32px;font-size:16.5px}
.btn--block{width:100%}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:13.5px;height:36px;display:flex;align-items:center;overflow:hidden}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%}
.topbar__notice{display:flex;align-items:center;gap:10px;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar__notice .dot{flex:none;width:8px;height:8px;border-radius:50%;background:var(--orange);box-shadow:0 0 0 4px rgba(255,92,46,.18)}
.topbar__meta{display:flex;align-items:center;gap:20px;white-space:nowrap;flex:none}
.topbar__meta a{color:rgba(255,255,255,.78);font-size:13.5px}
.topbar__meta a:hover{color:var(--orange-300)}
.topbar__meta .sep{color:rgba(255,255,255,.22)}

/* ---------- 头部与导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 2px 18px rgba(12,26,23,.06)}
.header-main{background:#fff;border-bottom:1px solid var(--line)}
.header-main__inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:12px;flex:none;color:var(--text)}
.brand:hover{color:var(--text)}
.brand__mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad);
  color:#fff;font-weight:800;font-size:14px;letter-spacing:.6px;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.brand__text{display:flex;flex-direction:column;line-height:1.16;font-size:17px;font-weight:800;letter-spacing:.2px}
.brand__text em{font-style:normal;font-size:11.5px;font-weight:500;color:var(--text-3);letter-spacing:.5px;margin-top:3px}

.nav{margin-left:auto}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__link{
  position:relative;display:block;padding:10px 14px;border-radius:999px;
  font-size:15px;color:var(--text);font-weight:500;
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav__link:hover{color:var(--orange-600)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--orange-600);background:var(--orange-tint);font-weight:700}
.nav__link.is-active::after{transform:scaleX(1)}
.nav__foot{display:none}
.nav__close{display:none}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  color:var(--text);transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--sand);border-color:var(--orange)}
.header-cta{flex:none}
.nav-mask{display:none}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  min-height:360px;display:flex;align-items:center;padding:56px 0;
}
.page-hero__bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.38;transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,26,23,.94) 0%,rgba(12,26,23,.80) 46%,rgba(12,26,23,.40) 100%);
}
.page-hero__deco{
  position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);pointer-events:none;
}
.page-hero__deco::after{
  content:"";position:absolute;inset:70px;border-radius:50%;
  border:1px solid rgba(255,154,60,.16);
}
.page-hero__inner{position:relative;z-index:2;width:100%}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:var(--orange-300)}
.breadcrumb .sep{color:rgba(255,255,255,.30)}
.breadcrumb .current{color:rgba(255,255,255,.60)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 15px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;letter-spacing:.8px;color:rgba(255,255,255,.92);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.page-hero h1{color:#fff;margin:16px 0 12px;max-width:820px}
.page-hero__lede{font-size:19px;font-weight:600;color:rgba(255,255,255,.94);margin-bottom:10px}
.page-hero__desc{max-width:660px;font-size:15.5px;color:rgba(255,255,255,.76);margin-bottom:0}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

.badge-row{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,.10);border:1px solid rgba(255,255,255,.20);color:#fff;
  font-variant-numeric:tabular-nums;backdrop-filter:blur(2px);
}
.stat b{font-size:22px;font-weight:800;line-height:1;letter-spacing:.4px}
.stat span{font-size:12px;color:rgba(255,255,255,.78)}
.stat--light{background:#fff;border-color:var(--line);color:var(--text);box-shadow:var(--sh-1)}
.stat--light span{color:var(--text-3)}

/* ---------- 板块与标题 ---------- */
.section{padding:var(--sec-y) 0}
.section--tight{padding:64px 0}
.section--sand{background:var(--sand)}
.section--white{background:#fff}
.section-head{max-width:780px;margin-bottom:42px}
.section-head__kicker{
  position:relative;display:inline-block;padding-left:14px;margin-bottom:14px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--orange-600);
}
.section-head__kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:var(--grad);
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--text-2);max-width:700px}

/* ---------- 筛选胶囊 ---------- */
.chip-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 14px;margin-bottom:26px;
  scrollbar-width:thin;-webkit-overflow-scrolling:touch;
}
.chip-bar::-webkit-scrollbar{height:6px}
.chip-bar::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.chip{
  flex:none;padding:9px 17px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover,.chip.is-active{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- 对比清单长卡 ---------- */
.compare-list{display:grid;gap:20px}
.compare-card{
  position:relative;display:grid;grid-template-columns:236px 1fr auto;gap:26px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.compare-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,46,.36);
}
.compare-card__thumb{
  width:100%;aspect-ratio:16/10;border-radius:var(--r-md);overflow:hidden;background:var(--sand);
  flex:none;
}
.compare-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.compare-card:hover .compare-card__thumb img{transform:scale(1.05)}
.compare-card__body{min-width:0}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;
  background:var(--orange-tint);color:var(--orange-600);
  font-size:12px;font-weight:700;letter-spacing:.4px;
}
.tag--teal{background:rgba(14,159,142,.10);color:var(--teal-600)}
.compare-card__body h3{margin:12px 0 8px;transition:color .2s var(--ease)}
.compare-card:hover .compare-card__body h3{color:var(--orange-600)}
.compare-card__body p{color:var(--text-2);font-size:15px;margin-bottom:12px}
.meta-row{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.compare-card__arrow{
  width:50px;height:50px;border-radius:999px;border:1.5px solid var(--line);
  display:grid;place-items:center;color:var(--text-3);flex:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.compare-card:hover .compare-card__arrow{
  background:var(--orange);border-color:var(--orange);color:#fff;transform:translateX(4px);
}

/* ---------- 深色口径区 ---------- */
.insight{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-xl);padding:56px;
}
.insight__glow{position:absolute;inset:0;background:var(--grad);opacity:.10;pointer-events:none}
.insight__ring{
  position:absolute;left:-140px;bottom:-190px;width:460px;height:460px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);pointer-events:none;
}
.insight__grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:start}
.insight h2{color:#fff;margin-bottom:16px}
.insight p{color:rgba(255,255,255,.78);font-size:15.5px}
.insight__kicker{
  position:relative;display:inline-block;padding-left:14px;margin-bottom:14px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;color:var(--orange-300);
}
.insight__kicker::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:var(--grad);
}
.insight__list{display:grid;gap:16px;margin-top:26px}
.insight__item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82)}
.insight__item .ico{
  flex:none;width:22px;height:22px;border-radius:7px;margin-top:3px;
  background:rgba(255,92,46,.18);color:var(--orange-300);
  display:grid;place-items:center;font-size:12px;font-weight:800;
}
.insight__stats{display:grid;gap:14px}

/* ---------- 延伸阅读 ---------- */
.link-cards{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px}
.link-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(14,159,142,.42)}
.link-card__label{font-size:12.5px;font-weight:700;letter-spacing:.8px;color:var(--teal-600)}
.link-card h3{font-size:19px;transition:color .2s var(--ease)}
.link-card:hover h3{color:var(--orange-600)}
.link-card p{color:var(--text-2);font-size:14.5px;margin:0}
.link-card__more{margin-top:auto;font-size:14px;font-weight:600;color:var(--orange-600);display:inline-flex;align-items:center;gap:6px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(255,92,46,.32)}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:rgba(255,92,46,.36)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--orange-600)}
.faq-item.is-open .faq-q{color:var(--orange-600)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  border:1.5px solid currentColor;display:grid;place-items:center;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s var(--ease)}
.faq-a__inner{
  position:relative;padding:0 24px 22px 24px;color:var(--text-2);font-size:15.5px;
}
.faq-a__inner::before{
  content:"";position:absolute;left:0;top:4px;bottom:22px;width:3px;border-radius:3px;
  background:var(--orange);
}

/* ---------- 深色 CTA ---------- */
.section--cta{padding:0 0 var(--sec-y)}
.cta-block{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-xl);padding:56px;
  display:grid;grid-template-columns:1.4fr auto;gap:40px;align-items:center;
}
.cta-block::after{
  content:"";position:absolute;left:56px;right:56px;top:0;height:3px;border-radius:0 0 4px 4px;
  background:var(--grad);
}
.cta-block__glow{position:absolute;inset:0;background:var(--grad);opacity:.09;pointer-events:none}
.cta-block__text{position:relative;z-index:2}
.cta-block h2{color:#fff;margin-bottom:14px}
.cta-block p{color:rgba(255,255,255,.78);max-width:620px;margin:0}
.cta-block__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-col h4{
  position:relative;color:#fff;font-size:14px;font-weight:700;letter-spacing:.4px;
  margin-bottom:18px;padding-left:12px;
}
.footer-col h4::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:14px;border-radius:2px;background:var(--orange);
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.64);margin:0}
.footer-col ul{display:grid;gap:11px}
.footer-col li a,.footer-col li span{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col li a:hover{color:var(--teal)}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(255,255,255,.48);
}
.footer-bottom .domain{color:rgba(255,255,255,.34);letter-spacing:.5px;font-variant-numeric:tabular-nums}

/* ---------- 移动端固定条 ---------- */
.mobile-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec-y:72px}
  .header-main__inner{gap:16px}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;padding:20px 20px 28px;margin-left:0;
    transform:translateX(103%);transition:transform .32s var(--ease);
    box-shadow:-14px 0 44px rgba(12,26,23,.20);
    overflow-y:auto;z-index:70;display:flex;flex-direction:column;
  }
  .nav.is-open{transform:translateX(0)}
  .nav__close{
    display:inline-flex;align-self:flex-end;width:40px;height:40px;border-radius:12px;
    border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
    color:var(--text-2);margin-bottom:14px;
  }
  .nav__close:hover{background:var(--sand);color:var(--orange-600)}
  .nav__list{flex-direction:column;align-items:stretch;gap:6px}
  .nav__link{padding:14px 16px;font-size:16px;border-radius:14px}
  .nav__link::after{display:none}
  .nav__link.is-active{background:var(--orange-tint)}
  .nav__foot{display:grid;gap:12px;margin-top:auto;padding-top:24px;border-top:1px solid var(--line)}
  .nav__service{font-size:13.5px;color:var(--text-3);text-align:center}
  .nav-mask{
    display:block;position:fixed;inset:0;background:rgba(12,26,23,.46);
    opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:65;
  }
  body.nav-open .nav-mask{opacity:1;pointer-events:auto}
  body.nav-open{overflow:hidden}

  .insight{padding:44px 36px}
  .insight__grid{grid-template-columns:1fr;gap:36px}
  .compare-card{grid-template-columns:200px 1fr auto;gap:20px}
  .link-cards{grid-template-columns:1fr 1fr}
  .link-cards .link-card:first-child{grid-column:1 / -1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-block{grid-template-columns:1fr;padding:44px 36px;gap:26px}
  .cta-block::after{left:36px;right:36px}
}

@media (max-width:768px){
  :root{--sec-y:56px}
  body{font-size:16px}
  h1{font-size:28px}
  h2{font-size:22px}
  h3{font-size:18px}
  .container{padding:0 18px}
  .topbar{height:32px;font-size:12.5px}
  .topbar__meta{display:none}
  .header-main__inner{height:60px}
  .brand__mark{width:36px;height:36px;border-radius:11px;font-size:12.5px}
  .brand__text{font-size:15.5px}
  .brand__text em{display:none}

  .page-hero{min-height:auto;padding:40px 0 44px}
  .page-hero__lede{font-size:16.5px}
  .page-hero__desc{font-size:14.5px}
  .page-hero__actions{gap:10px}
  .page-hero__actions .btn{flex:1 1 auto}
  .badge-row{gap:10px;margin-top:22px}
  .stat{padding:8px 14px}
  .stat b{font-size:19px}

  .compare-card{grid-template-columns:1fr;gap:16px;padding:16px}
  .compare-card__thumb{aspect-ratio:16/9}
  .compare-card__arrow{
    position:absolute;right:16px;top:16px;width:38px;height:38px;
    background:#fff;
  }
  .compare-card:hover .compare-card__arrow{transform:none}
  .compare-card__body{padding-right:48px}
  .compare-card__body p{font-size:14.5px}

  .insight{padding:32px 22px;border-radius:var(--r-lg)}
  .link-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-block{padding:34px 22px;border-radius:var(--r-lg)}
  .cta-block::after{left:22px;right:22px}
  .cta-block__actions{flex-direction:column;align-items:stretch}
  .cta-block__actions .btn{width:100%}
  .faq-q{padding:17px 18px;font-size:15.5px}
  .faq-a__inner{padding:0 18px 20px 18px;font-size:15px}

  .site-footer{padding:48px 0 56px}
  .footer-bottom{margin-top:36px}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;height:56px;z-index:55;
    background:#fff;border-top:1px solid var(--line);box-shadow:0 -6px 22px rgba(12,26,23,.10);
  }
  .mobile-bar a{
    flex:1;display:flex;align-items:center;justify-content:center;
    font-size:15px;font-weight:600;color:var(--text);
  }
  .mobile-bar a.is-primary{background:var(--orange);color:#fff}
}

@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .section-head{margin-bottom:30px}
  .stat b{font-size:18px}
  .stat span{font-size:11.5px}
  .brand__text{font-size:14.5px}
}

/* roulang page: category4 */
:root{
  --brand:#FF5C2E;
  --brand-deep:#E84A1E;
  --teal:#0E9F8E;
  --teal-deep:#0B8477;
  --ink:#14201D;
  --ink-soft:#5A6B66;
  --ink-mute:#8A9894;
  --dark:#0C1A17;
  --sand:#F6F3EE;
  --line:#E7E1D8;
  --white:#FFFFFF;
  --ok:#12A150;
  --warn:#E5A100;
  --err:#D93A3A;
  --grad:linear-gradient(100deg,#FF5C2E 0%,#FF9A3C 52%,#0E9F8E 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 10px 30px rgba(12,26,23,.08);
  --sh-2:0 18px 44px rgba(12,26,23,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}

a{color:var(--ink);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--teal);}

h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}

button{font:inherit;cursor:pointer;}

:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--dark);
  color:rgba(255,255,255,.78);
  font-size:13.5px;
  height:36px;
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar__notice{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar__dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(255,92,46,.18);
  flex:none;
}
.topbar__links{display:flex;align-items:center;gap:18px;flex:none;}
.topbar__links a{color:rgba(255,255,255,.78);}
.topbar__links a:hover{color:var(--white);}
.topbar__links .sep{width:1px;height:12px;background:rgba(255,255,255,.2);}

/* ===== 主站头 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.header-main{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.2px;
  color:var(--ink);
  flex:none;
}
.brand:hover{color:var(--ink);}
.brand__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,92,46,.28);
}
.nav{flex:1;display:flex;justify-content:center;}
.nav__list{display:flex;align-items:center;gap:4px;}
.nav__link{
  position:relative;
  display:block;
  padding:10px 12px;
  font-size:15px;
  color:var(--ink-soft);
  border-radius:999px;
  white-space:nowrap;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:5px;
  height:2px;border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s var(--ease);
}
.nav__link:hover{color:var(--ink);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);font-weight:600;}
.nav__link.is-active::after{transform:scaleX(1);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:12px;
  color:var(--ink);
  align-items:center;
  justify-content:center;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  cursor:pointer;
  white-space:nowrap;
}
.btn--primary{
  background:var(--brand);
  color:#fff;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12),0 10px 24px rgba(255,92,46,.28);
}
.btn--primary:hover{background:var(--brand-deep);color:#fff;box-shadow:0 14px 30px rgba(255,92,46,.32);}
.btn--primary:active{transform:translateY(1px);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12);}
.btn--outline{
  background:transparent;
  color:var(--teal);
  border-color:var(--teal);
}
.btn--outline:hover{background:rgba(14,159,142,.08);color:var(--teal-deep);border-color:var(--teal-deep);}
.btn--outline:active{transform:translateY(1px);}
.btn--ghost{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.45);
}
.btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8);}
.btn--sm{padding:9px 18px;font-size:14px;}
.header-cta{flex:none;}

/* ===== 移动抽屉 ===== */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,340px);
  background:var(--white);
  z-index:90;
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;
  flex-direction:column;
  box-shadow:-20px 0 50px rgba(12,26,23,.18);
  padding:20px 22px 24px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer__close{width:38px;height:38px;border-radius:11px;border:1px solid var(--line);background:var(--white);color:var(--ink);}
.drawer__list{margin-top:14px;display:flex;flex-direction:column;gap:2px;}
.drawer__list a{
  display:block;
  padding:13px 12px;
  border-radius:12px;
  font-size:16px;
  color:var(--ink-soft);
}
.drawer__list a:hover{background:var(--sand);color:var(--ink);}
.drawer__list a.is-active{background:rgba(255,92,46,.08);color:var(--brand);font-weight:600;}
.drawer__foot{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px;}
.drawer__foot .btn{width:100%;}
.mask{
  position:fixed;inset:0;
  background:rgba(12,26,23,.45);
  opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease);
  z-index:80;
}
.mask.is-open{opacity:1;visibility:visible;}

/* ===== 面包屑 ===== */
.crumb{padding:18px 0 0;font-size:13.5px;color:var(--ink-mute);}
.crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb__list li::after{content:"/";margin-left:8px;color:#c9c2b6;}
.crumb__list li:last-child::after{display:none;}
.crumb a{color:var(--ink-soft);}
.crumb a:hover{color:var(--teal);}
.crumb .current{color:var(--ink-mute);}

/* ===== 页面 Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:44px 0 64px;
  background:linear-gradient(180deg,#FFF6F1 0%,var(--sand) 78%);
}
.page-hero::before{
  content:"";
  position:absolute;
  right:-160px;top:-190px;
  width:620px;height:620px;
  border-radius:50%;
  border:2px solid rgba(255,92,46,.14);
  box-shadow:0 0 0 70px rgba(14,159,142,.05),0 0 0 150px rgba(255,92,46,.04);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--grad);
  opacity:.45;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.tagline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(14,159,142,.1);
  color:var(--teal-deep);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:42px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.6px;
  margin-bottom:16px;
}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:17px;
  color:var(--ink-soft);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat{
  display:flex;
  align-items:baseline;
  gap:6px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 18px;
  box-shadow:var(--sh-1);
}
.stat i{color:var(--teal);font-size:13px;transform:translateY(-1px);}
.stat b{font-size:21px;font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.stat span{font-size:12.5px;color:var(--ink-mute);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-figure::after{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(12,26,23,0) 45%,rgba(12,26,23,.55) 100%);
  pointer-events:none;
}
.hero-float{
  position:absolute;
  left:-16px;bottom:24px;
  background:var(--white);
  border-radius:var(--r-md);
  padding:12px 18px;
  box-shadow:var(--sh-2);
  display:flex;
  align-items:center;
  gap:12px;
  z-index:2;
}
.hero-float b{font-size:20px;font-variant-numeric:tabular-nums;}
.hero-float small{display:block;font-size:12px;color:var(--ink-mute);line-height:1.4;}

/* ===== 通用板块 ===== */
.section{padding:88px 0;}
.section--white{background:var(--white);}
.section--sand{background:var(--sand);}
.section--dark{background:var(--dark);color:rgba(255,255,255,.78);}
.section-head{max-width:720px;margin-bottom:40px;}
.sec-title{
  position:relative;
  padding-left:18px;
  font-size:30px;
  line-height:1.32;
  font-weight:800;
  letter-spacing:-.4px;
  margin-bottom:14px;
}
.sec-title::before{
  content:"";
  position:absolute;left:0;top:.2em;bottom:.2em;
  width:5px;border-radius:3px;
  background:var(--grad);
}
.section--dark .sec-title{color:#fff;}
.sec-desc{color:var(--ink-soft);font-size:16px;}
.section--dark .sec-desc{color:rgba(255,255,255,.72);}

/* ===== 引导要点 ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.step{
  display:flex;
  gap:18px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,92,46,.3);}
.step__num{
  flex:none;
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(255,92,46,.1);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:17px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.step p{font-size:15px;color:var(--ink-soft);}
.step__link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  font-size:14px;
  color:var(--teal-deep);
  font-weight:600;
}
.step__link:hover{color:var(--brand);}

/* ===== 画廊 ===== */
.gallery{
  display:grid;
  gap:20px;
  margin-bottom:56px;
}
.gallery--one{
  grid-template-columns:1.15fr .85fr;
  grid-template-rows:repeat(2,minmax(0,1fr));
  height:640px;
}
.gallery--one .g-item:first-child{grid-row:1 / span 2;}
.gallery--two{
  grid-template-columns:.85fr 1.15fr;
  grid-template-rows:repeat(2,minmax(0,1fr));
  height:560px;
  margin-bottom:0;
}
.gallery--two .g-item:last-child{grid-row:1 / span 2;}
.g-item{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.g-media{
  flex:1;
  min-height:0;
  overflow:hidden;
  background:var(--sand);
}
.g-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .35s var(--ease);
}
.g-item:hover .g-media img{transform:scale(1.02);}
.g-body{padding:18px 20px 20px;border-top:1px solid var(--line);}
.g-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--teal-deep);
  background:rgba(14,159,142,.1);
  border-radius:999px;
  padding:3px 10px;
  margin-bottom:8px;
}
.g-body h3{font-size:17.5px;font-weight:700;margin-bottom:6px;}
.g-body p{font-size:14.5px;color:var(--ink-soft);line-height:1.65;}
.g-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:10px;font-size:14px;font-weight:600;color:var(--brand);
}
.g-link:hover{color:var(--teal-deep);}

/* ===== FAQ ===== */
.faq{max-width:900px;}
.faq__item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq__item:hover{border-color:rgba(255,92,46,.28);}
.faq__item[open]{box-shadow:var(--sh-1);border-color:rgba(255,92,46,.35);}
.faq__q{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px 20px 28px;
  font-size:17px;
  font-weight:600;
  list-style:none;
  cursor:pointer;
}
.faq__q::-webkit-details-marker{display:none;}
.faq__q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;border-radius:3px;
  background:var(--brand);
  opacity:0;
  transition:opacity .2s var(--ease);
}
.faq__item[open] .faq__q::before{opacity:1;}
.faq__q i{
  flex:none;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--sand);
  color:var(--ink-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform .25s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.faq__item[open] .faq__q i{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq__a{padding:0 24px 22px 28px;font-size:15.5px;color:var(--ink-soft);line-height:1.8;}

/* ===== 咨询区 ===== */
.consult-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:32px;
  align-items:start;
}
.consult-info{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px 30px;
  box-shadow:var(--sh-1);
}
.consult-info h3{font-size:21px;font-weight:800;margin-bottom:12px;}
.consult-info p{font-size:15px;color:var(--ink-soft);margin-bottom:22px;}
.info-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--ink);
}
.info-list li:last-child{border-bottom:0;}
.info-list i{color:var(--teal);margin-top:4px;flex:none;}
.info-list small{display:block;font-size:13px;color:var(--ink-mute);margin-top:2px;}

.form-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 32px;
  box-shadow:var(--sh-1);
}
.form-card h3{font-size:21px;font-weight:800;margin-bottom:6px;}
.form-card .form-hint{font-size:13.5px;color:var(--ink-mute);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:7px;
}
.req{color:var(--brand);}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:var(--sand);
  border:1.5px solid var(--line);
  border-radius:var(--r-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.field textarea{min-height:110px;resize:vertical;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  background:var(--white);
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(255,92,46,.14);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{border-color:var(--err);background:#fff;}
.field-error{display:none;margin-top:6px;font-size:13px;color:var(--err);}
.field.has-error .field-error{display:block;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-soft);margin:18px 0 22px;}
.check input{margin-top:4px;accent-color:var(--brand);}
.form-card .btn{width:100%;}

/* ===== 联系方式条 ===== */
.contact-bar{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:26px 30px;
  color:#fff;
}
.contact-bar div{display:flex;align-items:center;gap:14px;}
.contact-bar i{
  width:42px;height:42px;flex:none;
  border-radius:13px;
  background:rgba(255,255,255,.08);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.contact-bar b{display:block;font-size:15.5px;font-weight:700;}
.contact-bar small{color:rgba(255,255,255,.66);font-size:13px;}

/* ===== 深色 CTA ===== */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-lg);
  padding:52px 48px;
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:32px;
  align-items:center;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  border-radius:var(--r-lg);
  padding:1px;
  background:var(--grad);
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  -webkit-mask-composite:xor;
  mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);
  mask-composite:exclude;
  opacity:.6;
  pointer-events:none;
}
.cta-band h2{font-size:28px;font-weight:800;margin-bottom:12px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;max-width:620px;}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-col h4{
  position:relative;
  padding-left:12px;
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-col h4::before{
  content:"";
  position:absolute;left:0;top:.25em;bottom:.25em;
  width:3px;border-radius:2px;
  background:var(--brand);
}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a,
.footer-col ul span{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:var(--teal);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom .domain{color:rgba(255,255,255,.34);}

/* ===== 移动底栏 ===== */
.mobile-bar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:56px;
  background:var(--white);
  border-top:1px solid var(--line);
  z-index:70;
  padding:8px 14px;
  gap:10px;
  box-shadow:0 -6px 20px rgba(12,26,23,.08);
}
.mobile-bar .btn{flex:1;padding:10px 12px;font-size:14px;}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .nav,.header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-figure{order:2;}
  .hero-float{left:12px;bottom:12px;}
  .gallery--one,.gallery--two{height:auto;grid-template-columns:1fr;grid-template-rows:none;}
  .gallery--one .g-item:first-child,
  .gallery--two .g-item:last-child{grid-row:auto;}
  .g-media{height:240px;flex:none;}
  .consult-grid{grid-template-columns:1fr;}
  .contact-bar{grid-template-columns:1fr;gap:20px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-band .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:640px){
  body{font-size:16px;padding-bottom:56px;}
  .container{padding:0 18px;}
  .topbar{font-size:12.5px;}
  .topbar__links{display:none;}
  .header-main{height:60px;}
  .brand{font-size:17px;}
  .brand__mark{width:28px;height:28px;font-size:13px;}
  .page-hero{padding:28px 0 48px;}
  .page-hero h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-stats{gap:10px;overflow-x:auto;padding-bottom:6px;flex-wrap:nowrap;}
  .stat{flex:none;padding:8px 14px;}
  .section{padding:56px 0;}
  .sec-title{font-size:22px;}
  .sec-title::before{width:4px;}
  .section-head{margin-bottom:28px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step{padding:20px 18px;}
  .gallery{gap:16px;margin-bottom:40px;}
  .g-media{height:200px;}
  .faq__q{padding:16px 18px 16px 22px;font-size:16px;}
  .faq__a{padding:0 18px 18px 22px;}
  .consult-info,.form-card{padding:24px 20px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:22px;}
  .cta-band .cta-actions{flex-direction:column;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .mobile-bar{display:flex;}
}