/* roulang page: index */
:root{
  --brand:#F2563C;
  --brand-2:#FF8A3D;
  --brand-3:#FFB35C;
  --grad:linear-gradient(120deg,#F2563C 0%,#FF8A3D 52%,#FFB35C 100%);
  --teal:#0FA98D;
  --ink:#1B2330;
  --body:#2A3442;
  --muted:#6B7480;
  --line:rgba(27,35,48,.08);
  --line-strong:rgba(27,35,48,.14);
  --sand:#FFF7F3;
  --mint:#F1F6F4;
  --white:#FFFFFF;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 10px 30px -18px rgba(27,35,48,.18);
  --sh-card-hover:0 22px 44px -22px rgba(27,35,48,.28);
  --sh-cta:0 18px 40px -18px rgba(242,86,60,.34);
  --sh-nav:0 8px 24px -12px rgba(27,35,48,.25);
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:80px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--body);
  background:var(--white);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(242,86,60,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1.2;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background-image:var(--grad);background-size:160% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-cta);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 24px 48px -20px rgba(242,86,60,.44);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{color:var(--brand);border-color:rgba(242,86,60,.42);transform:translateY(-2px);box-shadow:var(--sh-card);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;color:var(--brand);}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(6px);}

/* ---------- badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--r-pill);
  font-size:13px;line-height:1.6;font-weight:600;
}
.tag-sand{background:var(--sand);color:var(--brand);}
.tag-ink{background:var(--ink);color:var(--teal);}
.tag-mint{background:var(--mint);color:var(--teal);}

/* ---------- header nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  padding:14px 0;
  background:rgba(255,255,255,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  transition:background .24s ease,padding .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-solid{
  padding:8px 0;
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-nav);
}
.nav-wrap{display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background-image:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(242,86,60,.7);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:14px;flex:1;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;height:2px;width:0;
  background-image:var(--grad);border-radius:2px;
  transform:translateX(-50%);transition:width .24s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 14px;transition:border-color .22s ease,box-shadow .22s ease;
}
.nav-search:focus-within{border-color:rgba(242,86,60,.42);box-shadow:0 0 0 3px rgba(242,86,60,.14);}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px;color:var(--body);}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;
}
.drawer{
  position:fixed;inset:0;z-index:950;
  background:#fff;padding:22px 24px 32px;
  transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:17px;color:var(--ink);}
.drawer-group-title{font-size:13px;color:var(--muted);margin:18px 0 6px;letter-spacing:1px;}
.drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:17px;line-height:56px;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.is-active{color:var(--brand);font-weight:700;}
.drawer-cta{margin-top:28px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:min(88vh,720px);
  display:flex;align-items:center;
  padding:150px 0 76px;
  background-image:linear-gradient(120deg,rgba(255,247,243,.93) 0%,rgba(255,247,243,.86) 45%,rgba(241,246,244,.9) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;left:-160px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,86,60,.24),rgba(242,86,60,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;bottom:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,141,.16),rgba(15,169,141,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.72);border:1px solid rgba(255,255,255,.9);
  border-radius:var(--r-pill);padding:6px 16px;font-size:13px;color:var(--brand);font-weight:600;
  box-shadow:var(--sh-card);margin-bottom:20px;
}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--teal);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;
  letter-spacing:-.5px;margin-bottom:18px;
}
.hero h1 em{font-style:normal;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--body);max-width:30em;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats li{
  display:flex;align-items:center;gap:10px;
  background:var(--ink);border-radius:var(--r-pill);
  padding:9px 18px;color:#fff;
}
.hero-stats strong{color:var(--teal);font-size:17px;font-weight:800;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.78);}
.hero-visual{position:relative;}
.hero-card{
  border-radius:var(--r-lg);overflow:hidden;background:#fff;
  box-shadow:0 30px 60px -34px rgba(27,35,48,.4);
  transform:rotate(-1.5deg);
  border:1px solid rgba(255,255,255,.8);
}
.hero-card .ratio{position:relative;padding-top:75%;overflow:hidden;}
.hero-card .ratio img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-card .hero-card-body{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.hero-card .hero-card-body b{font-size:15px;color:var(--ink);}
.hero-card .hero-card-body span{font-size:13px;color:var(--muted);}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-sand{background:var(--sand);}
.section-mint{background:var(--mint);}
.section-head{margin-bottom:44px;max-width:720px;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:1.5px;text-transform:uppercase;margin-bottom:12px;
}
.sec-title{position:relative;font-size:clamp(24px,3vw,36px);font-weight:700;padding-left:16px;line-height:1.25;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:3px;
  background-image:var(--grad);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- services ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease,transform .3s ease;
  display:flex;flex-direction:column;
}
.svc-card:hover{box-shadow:var(--sh-card-hover);border-color:rgba(242,86,60,.22);transform:translateY(-3px);}
.svc-main{grid-column:span 7;}
.svc-side{grid-column:span 5;}
.svc-side.offset{margin-top:44px;}
.svc-media{position:relative;overflow:hidden;}
.svc-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.svc-card:hover .svc-media img{transform:scale(1.03);}
.svc-main .svc-media{height:240px;}
.svc-side .svc-media{height:160px;}
.svc-body{padding:28px 30px 30px;flex:1;display:flex;flex-direction:column;}
.svc-icon{
  width:46px;height:46px;border-radius:14px;background:var(--sand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.svc-card h3{font-size:21px;font-weight:600;margin-bottom:10px;}
.svc-card p{color:var(--muted);font-size:15px;margin-bottom:18px;}
.svc-card .link-arrow{margin-top:auto;}

/* ---------- data ---------- */
.data-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.data-matrix{display:grid;grid-template-columns:1fr 1fr;border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);}
.data-cell{padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.data-cell:nth-child(2n){border-right:0;}
.data-cell:nth-child(n+3){border-bottom:0;}
.data-cell b{display:block;font-size:clamp(34px,4vw,48px);font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1;}
.data-cell b small{font-size:16px;font-weight:700;color:var(--teal);margin-left:4px;}
.data-cell span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}
.data-cell i{display:block;width:34px;height:3px;border-radius:2px;background-image:var(--grad);margin-bottom:14px;}

/* ---------- cases ---------- */
.case-scroller{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;}
.case-scroller::-webkit-scrollbar{display:none;}
.case-scroller{scrollbar-width:none;}
.case-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;
}
.case-card:hover{box-shadow:var(--sh-card-hover);transform:translateY(-3px);border-color:rgba(242,86,60,.22);}
.case-media{position:relative;padding-top:62%;overflow:hidden;background:var(--mint);}
.case-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-media .tag{position:absolute;left:14px;top:14px;background:#fff;}
.case-body{padding:22px 24px 24px;}
.case-body h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.case-body p{font-size:14px;color:var(--muted);margin:0;}
.case-nav{display:flex;gap:10px;}
.case-nav button{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line-strong);
  background:#fff;color:var(--ink);display:flex;align-items:center;justify-content:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.case-nav button:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-2px);}

/* ---------- steps ---------- */
.step-list{display:grid;gap:10px;}
.step-item{
  display:grid;grid-template-columns:120px 1fr;gap:28px;align-items:flex-start;
  padding:28px 32px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  position:relative;transition:box-shadow .3s ease,border-color .3s ease;
}
.step-item:hover{box-shadow:var(--sh-card-hover);border-color:rgba(242,86,60,.22);}
.step-item::after{
  content:"";position:absolute;left:56px;top:100%;height:10px;width:1px;
  border-left:2px dashed rgba(242,86,60,.28);
}
.step-item:last-child::after{display:none;}
.step-no{
  font-size:clamp(36px,4vw,50px);font-weight:800;line-height:1;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.step-item p{font-size:15px;color:var(--muted);margin:0;max-width:64ch;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-card);transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-card-hover);border-color:rgba(242,86,60,.22);}
.news-thumb{display:block;position:relative;padding-top:62.5%;overflow:hidden;background:var(--mint);}
.news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-body{padding:22px 26px 26px;display:flex;flex-direction:column;flex:1;}
.news-body .tag{align-self:flex-start;margin-bottom:12px;}
.news-title{font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.news-title a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;}
.news-meta i{color:var(--teal);}
.news-empty{
  grid-column:1 / -1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
}
.news-empty .empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  background:var(--sand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:24px;
}
.news-empty p{color:var(--muted);margin-bottom:20px;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:56px;align-items:start;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{background:#FFFBF8;border-color:rgba(242,86,60,.22);box-shadow:var(--sh-card);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-no{
  font-size:15px;font-weight:800;flex-shrink:0;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.faq-item summary .faq-arrow{margin-left:auto;color:var(--muted);transition:transform .2s ease;font-size:14px;}
.faq-item[open] summary .faq-arrow{transform:rotate(180deg);color:var(--brand);}
.faq-answer{padding:0 24px 22px 58px;color:var(--muted);font-size:15px;line-height:1.85;max-width:68ch;}

/* ---------- contact ---------- */
.contact-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;}
.contact-card{
  background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:36px 34px;
  box-shadow:0 24px 50px -30px rgba(27,35,48,.6);
}
.contact-card h3{color:#fff;font-size:20px;margin-bottom:22px;}
.contact-list{display:grid;gap:18px;}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82);}
.contact-list .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);flex-shrink:0;margin-top:9px;}
.contact-list b{color:#fff;font-weight:600;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 34px;box-shadow:var(--sh-card);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:#fff;color:var(--body);
  outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{resize:vertical;min-height:112px;}
.field input::placeholder,.field textarea::placeholder{color:#A6ADB6;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(242,86,60,.55);box-shadow:0 0 0 4px rgba(242,86,60,.12);
}
.field .hint{font-size:12px;color:var(--muted);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--muted);margin:4px 0 22px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);}
.form-tip{margin-top:14px;font-size:13px;color:var(--teal);display:none;}
.form-tip.is-show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--mint);border-top:1px solid var(--line);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
.footer-brand b{font-size:16px;color:var(--ink);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--ink);}
.footer-col p{font-size:14px;color:var(--muted);max-width:32ch;}
.footer-links{display:grid;gap:12px;}
.footer-links a{
  font-size:14px;color:var(--muted);display:inline-flex;align-items:center;gap:8px;
  transition:color .22s ease,transform .22s ease;
}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact{display:grid;gap:12px;font-size:14px;color:var(--muted);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--teal);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-search{display:none;}
  .hero-grid{gap:40px;}
}
@media (max-width:1024px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:72px 0;}
  .hero{padding:132px 0 64px;min-height:auto;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{max-width:520px;}
  .svc-main,.svc-side{grid-column:span 12;}
  .svc-side.offset{margin-top:0;}
  .data-grid{grid-template-columns:1fr;gap:36px;}
  .step-item{grid-template-columns:88px 1fr;gap:20px;padding:24px;}
  .faq-layout{grid-template-columns:1fr;gap:36px;}
  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .case-card{flex:0 0 calc((100% - 24px)/2);}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.9;}
  .brand-text{font-size:15px;}
  .news-grid{grid-template-columns:1fr;}
  .data-matrix{grid-template-columns:1fr;}
  .data-cell{border-right:0;}
  .data-cell:nth-child(n+3){border-bottom:1px solid var(--line);}
  .data-cell:last-child{border-bottom:0;}
  .case-card{flex:0 0 82%;}
  .step-item{grid-template-columns:1fr;gap:12px;}
  .step-item::after{left:32px;}
  .form-grid{grid-template-columns:1fr;}
  .faq-answer{padding-left:24px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:120px 0 56px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-stats{flex-direction:column;align-items:stretch;}
  .hero-stats li{justify-content:space-between;}
  .btn{padding:13px 22px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
  .svc-body,.form-card,.contact-card{padding:24px 20px;}
}

/* roulang page: article */
:root{
  --brand:#F2563C;
  --brand-2:#FF8A3D;
  --brand-3:#FFB35C;
  --mint:#0FA98D;
  --ink:#1B2330;
  --text:#2A3442;
  --muted:#6B7480;
  --line:rgba(27,35,48,.08);
  --line-strong:rgba(27,35,48,.14);
  --sand:#FFF7F3;
  --mist:#F1F6F4;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#F2563C 0%,#FF8A3D 52%,#FFB35C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-card:0 10px 30px -18px rgba(27,35,48,.18);
  --sh-card-hover:0 22px 46px -22px rgba(27,35,48,.26);
  --sh-cta:0 18px 40px -18px rgba(242,86,60,.34);
  --sh-nav:0 8px 24px -12px rgba(27,35,48,.25);
  --sec-pad:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--ink);text-decoration:none;transition:color .22s ease,transform .22s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(242,86,60,.28);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sec-pad) 0}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;line-height:1;cursor:pointer;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-cta)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 24px 50px -20px rgba(242,86,60,.46);background:linear-gradient(120deg,#FF6B4F 0%,#FF9A50 52%,#FFC077 100%)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--brand);border-color:rgba(242,86,60,.34)}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);box-shadow:0 16px 34px -20px rgba(242,86,60,.4)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.label{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;font-size:13px;line-height:1.4;font-weight:600}
.label-sand{background:var(--sand);color:var(--brand);border:1px solid rgba(242,86,60,.18)}
.label-ink{background:var(--ink);color:#7FE3CE}
.label-mint{background:rgba(15,169,141,.1);color:#0B8A73;border:1px solid rgba(15,169,141,.22)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(255,255,255,.38);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:var(--sh-nav);
  transition:background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line)}
.nav-wrap{display:flex;align-items:center;gap:22px;padding:16px 20px;transition:padding .24s ease}
.site-header.is-scrolled .nav-wrap{padding:12px 20px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
  box-shadow:0 10px 22px -12px rgba(242,86,60,.6);
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--ink);font-weight:500;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--grad);transform:translateX(-50%);transition:width .26s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{width:calc(100% - 20px)}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;padding:9px 14px;border-radius:999px;
  background:rgba(255,255,255,.72);border:1px solid var(--line);
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{border:0;background:transparent;outline:none;width:130px;font-size:14px}
.nav-search input::placeholder{color:var(--muted)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;font-size:16px;
}
.nav-drawer{
  position:fixed;inset:0;z-index:200;background:#fff;padding:22px 20px 32px;
  display:flex;flex-direction:column;gap:18px;transform:translateX(102%);
  transition:transform .3s ease;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer}
.drawer-links{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.drawer-links a{padding:0 4px;height:56px;display:flex;align-items:center;font-size:17px;border-bottom:1px solid var(--line);color:var(--ink)}
.drawer-links a.is-active{color:var(--brand);font-weight:600}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:158px 0 56px;
  background:
    radial-gradient(720px 380px at 8% -10%,rgba(242,86,60,.16),transparent 62%),
    radial-gradient(560px 320px at 92% 4%,rgba(15,169,141,.12),transparent 60%),
    linear-gradient(180deg,#FFF7F3 0%,#F1F6F4 100%);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-bottom:22px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px}
.article-head h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.2;margin:16px 0 14px}
.article-sub{font-size:16px;color:var(--muted);max-width:62ch}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:22px;font-size:13.5px;color:var(--muted)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--mint);font-size:13px}
.head-divider{margin-top:28px;height:1px;background:var(--line)}

/* ---------- 正文 ---------- */
.article-main{background:var(--sand);padding:56px 0 80px}
.article-paper{
  max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-card);padding:52px 56px;
}
.article-body{max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--text)}
.article-body>*+*{margin-top:1.2em}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:clamp(21px,2.4vw,26px);font-weight:700;color:var(--ink);
  padding-left:16px;margin:2.2em 0 .7em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.14em;width:4px;height:1.05em;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink);margin:1.8em 0 .6em}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(242,86,60,.35)}
.article-body a:hover{color:var(--brand-2);border-bottom-color:var(--brand-2)}
.article-body ul,.article-body ol{padding-left:1.3em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:rgba(255,247,243,.9);
  border-left:4px solid transparent;
  border-image:var(--grad) 1;
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink);font-size:15.5px;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--r-md);margin:1.4em auto;box-shadow:var(--sh-card)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0}
.article-body th,.article-body td{border:1px solid var(--line-strong);padding:12px 14px;text-align:left}
.article-body th{background:var(--mist);font-weight:600;color:var(--ink)}
.article-body tr:nth-child(even) td{background:rgba(241,246,244,.55)}
.article-body pre{
  background:#1B2330;color:#EDF2F0;border-radius:var(--r-sm);padding:18px 20px;
  overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body code{background:rgba(27,35,48,.06);border-radius:6px;padding:2px 6px;font-size:14px}
.article-body pre code{background:transparent;padding:0;color:inherit}
.empty-state{text-align:center;padding:48px 20px}
.empty-state i{font-size:38px;color:rgba(242,86,60,.5)}
.empty-state h3{margin:18px 0 8px;font-size:22px}
.empty-state p{color:var(--muted);margin-bottom:22px}

/* ---------- 标签与返回 ---------- */
.article-foot{
  max-width:860px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:16px;
  align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;
  transition:color .22s ease,border-color .22s ease,transform .22s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(242,86,60,.32);transform:translateY(-2px)}

/* ---------- 相关内容 ---------- */
.related{background:var(--mist);padding:88px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head h2::before{content:"";display:inline-block;width:6px;height:22px;border-radius:4px;background:var(--grad);margin-right:14px;vertical-align:-3px}
.sec-head p{color:var(--muted);font-size:15px;max-width:60ch}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card-hover);border-color:rgba(242,86,60,.22)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(120deg,#FFE3DA,#E4F4EF)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-body .label{align-self:flex-start}
.rel-body h3{font-size:18px;line-height:1.5;font-weight:600}
.rel-card:hover h3{color:var(--brand)}
.rel-body time{font-size:13px;color:var(--muted);margin-top:auto}
.rel-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:600}
.rel-link i{transition:transform .22s ease}
.rel-card:hover .rel-link i{transform:translateX(5px)}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 96px;background:var(--mist)}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:space-between;
  gap:34px;box-shadow:var(--sh-cta);flex-wrap:wrap;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.cta-inner h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.92);max-width:56ch;font-size:15.5px}
.btn-ghost{background:#fff;color:#E8482D;border-color:#fff}
.btn-ghost:hover{color:#C93A20;transform:translateY(-2px);box-shadow:0 18px 36px -18px rgba(0,0,0,.35)}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-line:hover{color:#fff;background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:#F7FAF9;border-top:1px solid var(--line);padding:72px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{font-size:16.5px;color:var(--ink)}
.footer-col p{font-size:14px;color:var(--muted);max-width:38ch;line-height:1.8}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.footer-contact i{color:var(--mint);width:16px;text-align:center}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--sec-pad:80px}
  .article-paper{padding:46px 40px}
}
@media (max-width:1023px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{padding:12px 20px}
  .article-hero{padding:132px 0 48px}
  .related{padding:72px 0}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  :root{--sec-pad:56px}
  body{font-size:15px;line-height:1.9}
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:11px}
  .article-hero{padding:120px 0 40px}
  .article-head h1{font-size:26px}
  .article-paper{padding:30px 22px;border-radius:var(--r-md)}
  .article-body h2{font-size:20px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-foot{flex-direction:column;align-items:flex-start}
  .related-grid{grid-template-columns:1fr}
  .cta-inner{padding:34px 24px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#F2563C;
  --brand-2:#FF8A3D;
  --brand-3:#FFB35C;
  --mint:#0FA98D;
  --ink:#1B2330;
  --text:#2A3442;
  --muted:#6B7480;
  --line:rgba(27,35,48,.08);
  --line-strong:rgba(27,35,48,.16);
  --warm:#FFF7F3;
  --mintbg:#F1F6F4;
  --white:#FFFFFF;
  --grad:linear-gradient(120deg,#F2563C 0%,#FF8A3D 52%,#FFB35C 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-card:0 10px 30px -18px rgba(27,35,48,.18);
  --shadow-cta:0 18px 40px -18px rgba(242,86,60,.34);
  --shadow-nav:0 8px 24px -12px rgba(27,35,48,.25);
  --pad-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.25;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-2);}
img{max-width:100%;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}
.section{padding:var(--pad-section) 0;}
.section--warm{background:var(--warm);}
.section--mint{background:var(--mintbg);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  background:rgba(242,86,60,.08);
  border-radius:999px;padding:6px 14px;font-weight:600;
}
.h2-bar{position:relative;padding-left:16px;}
.h2-bar::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--grad);
}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.section-head p{color:var(--muted);}
.lead{color:var(--muted);font-size:16px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;line-height:1.2;
  transition:transform .22s ease,box-shadow .22s ease,background-position .4s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);background-size:180% 100%;color:#fff;box-shadow:var(--shadow-cta);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 22px 46px -18px rgba(242,86,60,.45);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--brand);}
.btn-ghost:hover{border-color:rgba(242,86,60,.42);color:var(--brand);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);font-weight:700;}
.btn-light:hover{color:var(--brand-2);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover i{transform:translateX(6px);}
:focus-visible{outline:3px solid rgba(242,86,60,.28);outline-offset:2px;border-radius:6px;}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:70;
  padding:14px 0;transition:all .24s ease;
}
.site-header .nav-wrap{
  display:flex;align-items:center;gap:24px;
  background:rgba(255,255,255,.38);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border:1px solid rgba(255,255,255,.55);
  border-radius:999px;
  box-shadow:var(--shadow-nav);
  padding:10px 14px 10px 20px;
  max-width:1160px;
  transition:all .24s ease;
}
.site-header.is-scrolled{padding:0;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);box-shadow:0 6px 20px -16px rgba(27,35,48,.3);backdrop-filter:none;}
.site-header.is-scrolled .nav-wrap{
  background:transparent;border-color:transparent;box-shadow:none;
  border-radius:0;padding-top:6px;padding-bottom:6px;max-width:1200px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-size:18px;box-shadow:0 8px 18px -10px rgba(242,86,60,.6);
}
.brand-text{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--text);
  font-weight:500;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--brand);border-radius:2px;transition:left .24s ease,right .24s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{left:12px;right:12px;}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{left:12px;right:12px;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.7);
  border:1px solid var(--line);border-radius:999px;padding:8px 14px;
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;background:transparent;outline:none;width:120px;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:var(--muted);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;font-size:16px;
}
.nav-overlay{display:none;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:170px 0 88px;
  background:linear-gradient(180deg,#FFF7F3 0%,#FFFFFF 78%);
}
.page-hero::before{
  content:"";position:absolute;width:520px;height:520px;left:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(242,86,60,.30),rgba(242,86,60,0) 68%);
}
.page-hero::after{
  content:"";position:absolute;width:420px;height:420px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(15,169,141,.22),rgba(15,169,141,0) 70%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{opacity:.5;}
.crumb .now{color:var(--brand);font-weight:600;}
.page-hero h1{font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;margin:14px 0 18px;max-width:900px;}
.page-hero .sub{font-size:17px;color:var(--muted);max-width:640px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--warm);color:var(--brand);
}
.chip .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);}
.chip--dark{background:rgba(27,35,48,.92);color:#fff;}
.chip--dark b{color:var(--brand-3);font-variant-numeric:tabular-nums;}

/* ---------- quick facts ---------- */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.fact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-card);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.fact-card:hover{transform:translateY(-4px);border-color:rgba(242,86,60,.22);box-shadow:0 18px 40px -22px rgba(27,35,48,.28);}
.fact-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(15,169,141,.1);color:var(--mint);font-size:17px;margin-bottom:16px;
}
.fact-card h3{font-size:18px;margin-bottom:8px;}
.fact-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- staggered media rows ---------- */
.media-row{display:grid;grid-template-columns:5fr 4fr;gap:48px;align-items:center;margin-bottom:80px;}
.media-row:last-child{margin-bottom:0;}
.media-row.reverse{grid-template-columns:4fr 5fr;}
.media-row.reverse .media-figure{order:2;}
.media-row.reverse .media-text{order:1;}
.media-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:5/4;
  background:linear-gradient(135deg,#FFD9CE 0%,#FFEBD9 60%,#E7F5F0 100%);
  box-shadow:0 22px 50px -30px rgba(27,35,48,.4);
}
.media-figure img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.media-figure:hover img{transform:scale(1.03);}
.media-figure .tag-corner{
  position:absolute;left:18px;top:18px;background:rgba(255,255,255,.92);
  color:var(--brand);font-size:12px;font-weight:700;padding:6px 14px;border-radius:999px;
}
.media-text h3{font-size:clamp(20px,2.4vw,26px);margin-bottom:16px;}
.media-text > p{color:var(--muted);margin-bottom:20px;}
.check-list{display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text);}
.check-list li i{color:var(--mint);margin-top:7px;font-size:13px;flex:0 0 auto;}
.check-list li b{color:var(--ink);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 28px 30px;box-shadow:var(--shadow-card);
}
.step-card .step-no{
  font-size:44px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:14px;display:block;
}
.step-card h3{font-size:19px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--muted);}
.step-line{height:2px;border-top:2px dashed rgba(242,86,60,.28);margin:22px 0 0;border-radius:2px;}

/* ---------- list panel ---------- */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--shadow-card);
}
.panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 40px;}
.panel-grid li{display:flex;gap:12px;font-size:15px;color:var(--text);padding-bottom:16px;border-bottom:1px solid var(--line);}
.panel-grid li span.idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--warm);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:6px;
}

/* ---------- related ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow-card);color:var(--text);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rec-card:hover{transform:translateY(-3px);color:var(--text);border-color:rgba(242,86,60,.22);box-shadow:0 20px 44px -24px rgba(27,35,48,.3);}
.rec-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#FFE3D8,#E9F6F2);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:22px 22px 24px;}
.rec-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-body .date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);color:#fff;padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 26px 60px -34px rgba(242,86,60,.5);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.92);max-width:620px;font-size:15px;}

/* ---------- footer ---------- */
.site-footer{background:var(--mintbg);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand b{font-size:16px;color:var(--ink);}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:var(--brand);transform:translateX(2px);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.footer-contact li i{color:var(--mint);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted);
}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  :root{--pad-section:80px;}
  .fact-grid{grid-template-columns:repeat(2,1fr);}
  .nav-search input{width:96px;}
}
@media (max-width:1024px){
  .media-row,.media-row.reverse{grid-template-columns:1fr;gap:28px;}
  .media-row.reverse .media-figure{order:1;}
  .media-row.reverse .media-text{order:2;}
  .steps{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  :root{--pad-section:72px;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 32px;margin-left:0;
    transform:translateX(100%);transition:transform .28s ease;
    box-shadow:-24px 0 60px -40px rgba(27,35,48,.5);z-index:80;
  }
  .nav-links.is-open{transform:translateX(0);}
  .nav-link{font-size:17px;line-height:56px;padding:0;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .nav-overlay{position:fixed;inset:0;background:rgba(27,35,48,.36);z-index:75;}
  .nav-overlay.is-open{display:block;}
  .page-hero{padding:140px 0 72px;}
  .panel{padding:28px;}
  .panel-grid{grid-template-columns:1fr;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:640px){
  :root{--pad-section:56px;}
  .container{padding:0 18px;}
  body{font-size:15px;line-height:1.9;}
  .brand-text{font-size:14px;}
  .brand-mark{width:34px;height:34px;font-size:16px;}
  .fact-grid{grid-template-columns:1fr;gap:16px;}
  .rec-grid{grid-template-columns:1fr;gap:16px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-badges{gap:8px;}
  .chip{font-size:12px;padding:7px 12px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category3 */
:root{
  --brand:#F2563C;
  --brand-2:#FF8A3D;
  --brand-3:#FFB35C;
  --grad:linear-gradient(120deg,#F2563C 0%,#FF8A3D 52%,#FFB35C 100%);
  --mint:#0FA98D;
  --ink:#1B2330;
  --text:#2A3442;
  --muted:#6B7480;
  --line:rgba(27,35,48,.08);
  --sand:#FFF7F3;
  --mist:#F1F6F4;
  --white:#FFFFFF;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-card:0 10px 30px -18px rgba(27,35,48,.18);
  --sh-card-hover:0 18px 44px -20px rgba(27,35,48,.28);
  --sh-cta:0 18px 40px -18px rgba(242,86,60,.34);
  --sh-nav:0 8px 24px -12px rgba(27,35,48,.25);
  --nav-h:84px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--sand);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25;font-weight:700;}
h1{font-size:clamp(28px,3.8vw,46px);font-weight:800;line-height:1.16;letter-spacing:-.4px;}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;}
h3{font-size:20px;font-weight:600;}
p{margin:0;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(242,86,60,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--mist{background:var(--mist);}
.section--plain{background:var(--white);}
.tnum{font-variant-numeric:tabular-nums;}
.button,.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-cta);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 46px -18px rgba(242,86,60,.46);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.86);color:var(--brand);border-color:rgba(242,86,60,.28);}
.btn-ghost:hover{color:var(--brand);border-color:rgba(242,86,60,.55);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 16px 36px -20px rgba(20,20,20,.45);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:11px 22px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  display:flex;align-items:center;height:var(--nav-h);
  background:rgba(255,255,255,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:var(--sh-nav);
  transition:height .24s ease,background .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.site-header.is-solid{
  height:64px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 26px -20px rgba(27,35,48,.4);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-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:18px;letter-spacing:.5px;
  box-shadow:0 10px 22px -12px rgba(242,86,60,.7);
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.brand:hover .brand-text{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--ink);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;height:2px;width:0;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .26s ease;
}
.nav-link:hover::after,.nav-link.is-active::after{width:100%;}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.62);
  border:1px solid rgba(255,255,255,.8);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.6);
  transition:border-color .22s ease,background .22s ease;
}
.nav-search:focus-within{border-color:rgba(242,86,60,.42);background:#fff;}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  width:132px;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#96A0AC;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.72);border:1px solid var(--line);
  color:var(--ink);font-size:17px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(242,86,60,.3);}
.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:70;
  background:#fff;padding:16px 24px 32px;overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:transform .26s ease,opacity .26s ease,visibility .26s;
}
.mobile-drawer.is-open{transform:none;opacity:1;visibility:visible;}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:17px;font-weight:500;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand);font-weight:700;}
.mobile-drawer .drawer-cta{margin-top:24px;display:flex;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:400px;display:flex;align-items:center;
  padding:150px 0 72px;
  background:linear-gradient(155deg,#FFF7F3 0%,#FFFDFB 44%,#F1F6F4 100%);
}
.page-hero::before{
  content:"";position:absolute;top:-190px;right:-140px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,169,141,.20),rgba(15,169,141,0) 68%);
}
.page-hero::after{
  content:"";position:absolute;bottom:-230px;left:-140px;width:500px;height:500px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,86,60,.18),rgba(242,86,60,0) 70%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{max-width:780px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,247,243,.94);border:1px solid rgba(242,86,60,.18);
  color:var(--brand);font-size:13px;font-weight:600;
}
.tag-pill i{font-size:12px;}
.page-hero h1{margin:20px 0 18px;}
.hero-lead{font-size:17px;color:var(--text);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:28px;font-size:13px;color:var(--muted);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C3CBD3;}
.breadcrumb .current{color:var(--brand);font-weight:600;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 通用标题 ---------- */
.section-head{max-width:680px;margin-bottom:44px;}
.section-title{position:relative;padding-left:18px;}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:1.05em;border-radius:4px;background:var(--grad);
}
.section-sub{margin-top:14px;color:var(--muted);font-size:15.5px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .section-title{padding-left:0;}
.section-head--center .section-title::before{display:none;}

/* ---------- 卡片 ---------- */
.card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(242,86,60,.22);box-shadow:var(--sh-card-hover);}
.icon-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:16px;
  background:rgba(255,247,243,1);border:1px solid rgba(242,86,60,.16);
  color:var(--brand);font-size:20px;margin-bottom:20px;
}
.icon-badge--mint{background:rgba(241,246,244,1);border-color:rgba(15,169,141,.2);color:var(--mint);}
.card h3{margin-bottom:12px;}
.card p{color:var(--text);font-size:15.5px;}
.card .text-link{margin-top:18px;display:inline-flex;}
.point-grid{margin-bottom:-24px;}
.point-grid > .cell{padding-bottom:24px;}

/* ---------- 文字链 ---------- */
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:14.5px;
}
.text-link i{font-size:12px;transition:transform .24s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;max-width:880px;}
.timeline::before{
  content:"";position:absolute;left:34px;top:26px;height:calc(100% - 92px);width:2px;
  background:linear-gradient(180deg,rgba(15,169,141,.55),rgba(242,86,60,.28),rgba(242,86,60,0));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:68px 1fr;gap:30px;
  padding-bottom:44px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-index{
  width:68px;height:68px;border-radius:50%;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-card);
  display:flex;align-items:center;justify-content:center;
  font-size:21px;font-weight:800;color:var(--mint);
  font-variant-numeric:tabular-nums;
}
.tl-body{padding-top:12px;}
.tl-label{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--sand);color:var(--brand);font-size:12.5px;font-weight:600;margin-bottom:10px;
}
.tl-body h3{margin-bottom:10px;}
.tl-body p{color:var(--text);font-size:15.5px;max-width:64ch;}
.tl-meta{margin-top:12px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:16px;}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta i{color:var(--mint);font-size:12px;}

/* ---------- 图文与数据 ---------- */
.figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:linear-gradient(135deg,#FFE6DB 0%,#FFD3C1 48%,#C9EDE4 100%);
  aspect-ratio:5/4;box-shadow:var(--sh-card);
}
.figure img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease;}
.figure:hover img{transform:scale(1.03);}
.figure .figure-tag{
  position:absolute;left:18px;top:18px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand);
  font-size:12.5px;font-weight:600;
}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0;}
.stat{
  padding-top:16px;border-top:1px solid var(--line);
}
.stat b{
  display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--mint);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat b small{font-size:.5em;font-weight:700;margin-left:2px;}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted);}
.check-list{margin-top:6px;display:grid;gap:12px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15.5px;color:var(--text);
}
.check-list i{color:var(--mint);font-size:15px;margin-top:5px;flex:0 0 auto;}
.device-block .cell{padding-bottom:24px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:860px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:background .26s ease,border-color .26s ease;
}
.faq-item.is-open{background:#FFFAF7;border-color:rgba(242,86,60,.2);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand);}
.faq-no{
  font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;flex:0 0 auto;
}
.faq-text{flex:1 1 auto;}
.faq-icon{
  flex:0 0 auto;color:var(--muted);font-size:14px;
  transition:transform .2s ease,color .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{
  padding:0 24px 22px 60px;font-size:15px;color:var(--text);max-width:68ch;line-height:1.85;
}

/* ---------- 推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.related-card:hover{transform:translateY(-3px);border-color:rgba(242,86,60,.22);box-shadow:var(--sh-card-hover);}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#FFE6DB,#C9EDE4);}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.related-card:hover .related-thumb img{transform:scale(1.03);}
.related-body{padding:20px 22px 22px;}
.related-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;}
.related-date{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ---------- CTA 通栏 ---------- */
.cta-band{
  background:var(--grad);color:#fff;padding:72px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);}
.cta-band p{color:rgba(255,255,255,.9);margin-top:12px;font-size:15.5px;max-width:56ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--mist);border-top:1px solid var(--line);
  padding:72px 0 0;color:var(--text);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand b{font-size:16.5px;color:var(--ink);}
.footer-col p{font-size:14.5px;color:var(--muted);max-width:34ch;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink);}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14.5px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-links a:hover{color:var(--brand);transform:translateX(-2px);}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--muted);}
.footer-contact i{color:var(--mint);font-size:13px;width:16px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 28px;
  font-size:13px;color:var(--muted);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .nav-search{display:none;}
  .nav-links{gap:20px;}
}
@media screen and (max-width:900px){
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header{height:72px;}
  .site-header.is-solid{height:60px;}
  .page-hero{padding:132px 0 60px;min-height:340px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .related-grid > *:last-child{grid-column:1 / -1;}
}
@media screen and (max-width:640px){
  body{font-size:15px;line-height:1.9;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .brand-text{font-size:15px;}
  .brand-mark{width:34px;height:34px;font-size:16px;}
  .page-hero{padding:120px 0 52px;min-height:auto;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .stat-row{grid-template-columns:1fr;gap:14px;margin:24px 0;}
  .timeline::before{left:24px;}
  .tl-item{grid-template-columns:48px 1fr;gap:18px;padding-bottom:34px;}
  .tl-index{width:48px;height:48px;font-size:16px;}
  .tl-body{padding-top:8px;}
  .faq-a p{padding:0 20px 20px 24px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .related-grid{grid-template-columns:1fr;}
  .related-grid > *:last-child{grid-column:auto;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#F2563C;
  --brand-2:#FF8A3D;
  --brand-3:#FFB35C;
  --grad:linear-gradient(120deg,#F2563C 0%,#FF8A3D 52%,#FFB35C 100%);
  --teal:#0FA98D;
  --ink:#1B2330;
  --text:#2A3442;
  --muted:#6B7480;
  --line:rgba(27,35,48,.08);
  --line-strong:rgba(27,35,48,.14);
  --sand:#FFF7F3;
  --mist:#F1F6F4;
  --paper:#FFFFFF;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh-card:0 10px 30px -18px rgba(27,35,48,.18);
  --sh-cta:0 18px 40px -18px rgba(242,86,60,.34);
  --sh-nav:0 8px 24px -12px rgba(27,35,48,.25);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:90px;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,transform .2s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font);line-height:1.3;letter-spacing:.1px}
h1{font-weight:800}
h2{font-weight:700;font-size:clamp(24px,3vw,36px)}
h3{font-weight:600;font-size:21px}
h4{font-weight:600;font-size:16px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:var(--font)}
:focus-visible{outline:3px solid rgba(242,86,60,.28);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--sand{background:var(--sand)}
.section--mist{background:var(--mist)}
.section--tight{padding-top:72px}

.sec-head{max-width:760px;margin-bottom:44px}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--sand);border:1px solid rgba(242,86,60,.16);border-radius:var(--pill);padding:5px 14px;margin-bottom:16px}
.sec-head h2{margin-bottom:14px;position:relative;padding-left:16px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.22em;width:5px;height:.82em;border-radius:3px;background:var(--grad)}
.sec-head p{color:var(--muted);font-size:16px;max-width:66ch}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none}

.linkmore{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.linkmore i{transition:transform .22s ease;font-size:13px}
.linkmore:hover i{transform:translateX(6px)}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  background:rgba(255,255,255,.38);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:var(--sh-nav);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px -14px rgba(27,35,48,.32);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:84px;transition:height .24s ease}
.site-header.is-scrolled .nav-wrap{height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:.5px;
  box-shadow:0 10px 20px -12px rgba(242,86,60,.85);
  transition:transform .24s ease;
}
.brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04)}
.brand-text{font-size:16.5px;white-space:nowrap;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;color:var(--ink);font-size:15px;font-weight:500;
  padding:10px 14px;border-radius:var(--pill);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad);transition:left .24s ease,right .24s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{left:14px;right:14px}
.nav-link.is-active{color:var(--brand);font-weight:600}
.nav-link.is-active::after{left:14px;right:14px}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border-radius:var(--pill);background:rgba(255,255,255,.72);
  border:1px solid var(--line);
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{
  border:0;outline:0;background:transparent;width:118px;
  font-size:14px;color:var(--ink);font-family:var(--font);
}
.nav-search input::placeholder{color:var(--muted)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:rgba(242,86,60,.3);color:var(--brand)}

.mobile-drawer{
  position:fixed;inset:0;z-index:190;background:#fff;
  padding:104px 24px 32px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .26s ease,transform .26s ease,visibility .26s;
  display:flex;flex-direction:column;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:17px;font-weight:600;color:var(--ink);line-height:56px;
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand)}
.drawer-link i{font-size:13px;color:var(--muted)}
.mobile-drawer .btn{margin-top:28px;width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--pill);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-cta)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 22px 46px -18px rgba(242,86,60,.52);background:linear-gradient(120deg,#FF8A3D 0%,#F2563C 100%)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(242,86,60,.28)}
.btn-ghost:hover{color:var(--brand);transform:translateY(-2px);border-color:var(--brand);box-shadow:0 14px 30px -20px rgba(242,86,60,.6)}
.btn-light{background:#fff;color:var(--ink);border-color:transparent;box-shadow:0 14px 30px -18px rgba(27,35,48,.5)}
.btn-light:hover{color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:11px 20px;font-size:14px}

/* ============ 分类页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFF7F3 0%,#FFFFFF 100%);
  padding:152px 0 66px;
}
.page-head::before{
  content:"";position:absolute;width:560px;height:560px;right:-170px;top:-250px;
  background:radial-gradient(circle at center,rgba(242,86,60,.24),rgba(242,86,60,0) 68%);
  border-radius:50%;pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;width:440px;height:440px;left:-200px;bottom:-280px;
  background:radial-gradient(circle at center,rgba(15,169,141,.2),rgba(15,169,141,0) 70%);
  border-radius:50%;pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.crumb{font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--ink);font-weight:600}
.crumb .sep{margin:0 8px;color:rgba(27,35,48,.25)}
.page-head h1{
  font-size:clamp(28px,3.8vw,46px);
  max-width:22ch;
  margin-bottom:16px;
}
.page-head h1 em{font-style:normal;color:var(--brand)}
.page-head .lead{font-size:17px;color:var(--muted);max-width:52ch;margin-bottom:30px}
.head-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:var(--ink);border-radius:var(--pill);
  padding:9px 18px;color:#fff;
}
.stat-pill b{font-size:20px;font-weight:800;color:#4FD8BC;font-variant-numeric:tabular-nums;line-height:1.1}
.stat-pill span{font-size:13px;color:rgba(255,255,255,.78);line-height:1.4}

/* ============ 标签行 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--line-strong);
  color:var(--text);font-size:14.5px;font-family:var(--font);
  cursor:pointer;transition:all .22s ease;
}
.chip i{font-size:12px;color:var(--muted);transition:color .22s ease}
.chip:hover{border-color:rgba(242,86,60,.4);color:var(--brand);transform:translateY(-1px)}
.chip:hover i{color:var(--brand)}
.chip.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 12px 26px -16px rgba(242,86,60,.8)}
.chip.is-on i{color:#fff}
.filter-note{font-size:13px;color:var(--muted);margin-top:16px}

/* ============ 问题卡片矩阵 ============ */
.grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.cell{flex:0 0 auto;width:100%;padding:0 12px;margin-bottom:24px}
.pcard{
  height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-card);overflow:hidden;
  transition:box-shadow .28s ease,border-color .28s ease,transform .28s ease;
  display:flex;flex-direction:column;
}
.pcard:hover{border-color:rgba(242,86,60,.22);box-shadow:0 22px 44px -26px rgba(27,35,48,.34);transform:translateY(-3px)}
.pcard-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#FFE7DE,#F1F6F4)}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.pcard:hover .pcard-media img{transform:scale(1.03)}
.pcard-body{padding:26px 28px 28px;display:flex;flex-direction:column;flex:1 1 auto}
.pcard-body h3{margin-bottom:12px;font-size:21px}
.pcard-body p{color:var(--text);font-size:15.5px}
.pcard-body .linkmore{margin-top:auto;padding-top:18px}
.pcard--flat{background:var(--mist);border-color:rgba(27,35,48,.06)}
.pcard-list{margin:4px 0 0}
.pcard-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text);margin-bottom:10px}
.pcard-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:rgba(15,169,141,.22);box-shadow:inset 0 0 0 2px var(--teal);
}
.pcard-wide{flex-direction:row}
.pcard-wide .pcard-media{flex:0 0 42%;aspect-ratio:auto;min-height:280px}
.pcard-wide .pcard-body{padding:32px 34px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;
}
.tag--sand{background:var(--sand);color:var(--brand)}
.tag--teal{background:rgba(15,169,141,.1);color:var(--teal)}
.tag--ink{background:var(--ink);color:#4FD8BC}

/* ============ 对照表 ============ */
.table-scroll{
  overflow-x:auto;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;
  box-shadow:var(--sh-card);-webkit-overflow-scrolling:touch;
}
table.cmp{width:100%;border-collapse:collapse;min-width:780px;font-size:15px}
table.cmp th{
  background:var(--mist);color:var(--ink);font-weight:600;font-size:14px;
  text-align:left;padding:16px 20px;white-space:nowrap;border-bottom:1px solid var(--line);
}
table.cmp td{padding:16px 20px;border-top:1px solid var(--line);color:var(--text);vertical-align:top;line-height:1.7}
table.cmp tbody tr:nth-child(even){background:#FAFCFB}
table.cmp tbody tr:hover{background:var(--sand)}
table.cmp td:last-child{color:var(--teal);font-weight:600;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-hint{font-size:13px;color:var(--muted);margin-top:14px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;transition:background .24s ease,border-color .24s ease;
}
.faq-item:hover{border-color:rgba(242,86,60,.2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-num{
  flex:0 0 auto;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.faq-icon{margin-left:auto;flex:0 0 auto;color:var(--muted);font-size:13px;transition:transform .2s ease,color .2s ease}
.faq-item.is-open{background:#FFFCFA;border-color:rgba(242,86,60,.22)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 24px 22px 58px;color:var(--text);font-size:15.5px;max-width:68ch}

/* ============ 相关推荐 ============ */
.rec-grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-card);overflow:hidden;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rec-card:hover{transform:translateY(-3px);border-color:rgba(242,86,60,.22);box-shadow:0 22px 42px -26px rgba(27,35,48,.34)}
.rec-media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#FFE7DE,#F1F6F4)}
.rec-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease}
.rec-card:hover .rec-media img{transform:scale(1.04)}
.rec-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.rec-body h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.rec-body p{font-size:14px;color:var(--muted);margin-bottom:16px}
.rec-body .rec-meta{margin-top:auto;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px}

/* ============ CTA 通栏 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:60px 56px;color:#fff;
  background-image:linear-gradient(120deg,rgba(242,86,60,.95) 0%,rgba(255,138,61,.92) 54%,rgba(255,179,92,.88) 100%),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  box-shadow:0 28px 60px -34px rgba(242,86,60,.7);
}
.cta-band::after{
  content:"";position:absolute;width:340px;height:340px;right:-120px;top:-140px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.34),rgba(255,255,255,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin-bottom:12px;font-size:clamp(22px,2.6vw,32px)}
.cta-inner p{color:rgba(255,255,255,.92);max-width:58ch;margin-bottom:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-actions .btn-primary{background:#fff;color:var(--brand);box-shadow:0 18px 36px -20px rgba(27,35,48,.6)}
.cta-actions .btn-primary:hover{background:#fff;color:var(--brand-2)}
.cta-actions .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--mist);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:var(--ink);font-size:16px}
.footer-col p{font-size:14.5px;color:var(--muted);max-width:34ch;line-height:1.8}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer-links a{display:block;font-size:14.5px;color:var(--text);padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text);padding:6px 0}
.footer-contact i{color:var(--brand);width:16px;font-size:13px}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);
  padding:22px 0 30px;display:flex;justify-content:space-between;gap:12px;
  flex-wrap:wrap;font-size:13px;color:var(--muted);
}

/* ============ 响应式 ============ */
@media (min-width:900px){
  .large-7{width:58.3333%}
  .large-5{width:41.6667%}
  .large-4{width:33.3333%}
  .large-12{width:100%}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-search{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .section{padding:72px 0}
  .page-head{padding:132px 0 54px}
  .pcard-wide{flex-direction:column}
  .pcard-wide .pcard-media{flex:none;min-height:0;aspect-ratio:16/10}
  .pcard-wide .pcard-body{padding:26px 28px}
  .cta-band{padding:48px 34px}
}
@media (max-width:640px){
  body{font-size:15px;line-height:1.9}
  .section{padding:56px 0}
  .container{padding:0 18px}
  .nav-wrap{height:72px;gap:12px}
  .site-header.is-scrolled .nav-wrap{height:62px}
  .brand-text{font-size:14.5px}
  .brand-mark{width:34px;height:34px;font-size:15px;border-radius:10px}
  .nav-actions .btn-sm{display:none}
  .page-head{padding:112px 0 46px}
  .page-head .lead{font-size:15.5px}
  .head-stats{gap:8px}
  .stat-pill{padding:8px 14px}
  .stat-pill b{font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .section--tight{padding-top:52px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a-inner{padding:0 18px 20px 18px}
  .cta-band{padding:38px 22px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%;justify-content:center}
  .sec-head--split{flex-direction:column;align-items:flex-start}
}