/* roulang page: index */
:root{
  --c-primary:#0F6E5C;
  --c-primary-dark:#0A5949;
  --c-ink:#0B3B33;
  --c-accent:#E8542F;
  --c-bg:#FBFAF7;
  --c-surface:#F2EFE9;
  --c-tint:#DCE9E4;
  --c-line:#E4DFD6;
  --c-line-strong:#D8D2C7;
  --c-text:#14181A;
  --c-muted:#5A625F;
  --c-weak:#8C9490;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px -16px rgba(20,24,26,.20);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--alt{background:var(--c-surface)}
.section--tight{padding:64px 0}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-weak);font-weight:600;margin-bottom:12px}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;line-height:1.2;color:var(--c-ink)}
.section-desc{margin-top:12px;font-size:15.5px;color:var(--c-muted);max-width:46em;line-height:1.85}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .22s ease,transform .22s cubic-bezier(.2,.7,.3,1);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dark);box-shadow:0 10px 24px -14px rgba(15,110,92,.75);transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--c-line-strong);color:var(--c-text)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#cf4522;transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(232,84,47,.8)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow span{transition:transform .2s cubic-bezier(.2,.7,.3,1)}
.link-arrow:hover span{transform:translateX(3px)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--c-tint);color:var(--c-primary);font-size:12px;font-weight:600;line-height:1.5}
.badge-promo{background:var(--c-accent);color:#fff}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(251,250,247,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-text)}
.logo svg{width:24px;height:24px;color:var(--c-primary);flex:none}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px}
.nav-links a{position:relative;color:var(--c-muted);padding:6px 0;transition:color .2s ease}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:50%;bottom:-4px;width:4px;height:4px;margin-left:-2px;border-radius:50%;background:var(--c-primary)}
.nav-right{display:flex;align-items:center;gap:14px}
.command-search{display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 10px;background:#fff;border:1px solid var(--c-line-strong);border-radius:var(--radius-btn);transition:border-color .2s,box-shadow .2s}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.12)}
.command-search svg{width:15px;height:15px;color:var(--c-weak);flex:none}
.command-search input{border:0;outline:0;background:transparent;font-size:13.5px;width:100%;color:var(--c-text)}
.command-search input::placeholder{color:var(--c-weak)}
.kbd{font-size:11px;color:var(--c-weak);border:1px solid var(--c-line);border-radius:5px;padding:1px 5px;background:var(--c-surface);white-space:nowrap;line-height:1.6}
.login-link{font-size:14px;color:var(--c-muted);transition:color .2s}
.login-link:hover{color:var(--c-primary)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--c-line-strong);border-radius:10px;background:#fff;cursor:pointer;color:var(--c-ink)}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:18px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .command-search{width:100%;height:42px}
.mobile-nav{display:flex;flex-direction:column;margin:16px 0 18px}
.mobile-nav a{padding:12px 2px;font-size:15px;color:var(--c-muted);border-bottom:1px solid var(--c-line)}
.mobile-nav a.active{color:var(--c-primary);font-weight:600}

/* Hero */
.hero{position:relative;overflow:hidden;padding:80px 0 88px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(11,59,51,.055) 1px,transparent 1px),linear-gradient(to bottom,rgba(11,59,51,.055) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 90% at 75% 10%,#000 0%,transparent 72%);
  mask-image:radial-gradient(120% 90% at 75% 10%,#000 0%,transparent 72%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(29px,4vw,48px);line-height:1.14;letter-spacing:-.02em;font-weight:800;color:var(--c-ink);margin:18px 0 18px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-muted);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:38px}
.hero-stat{padding:0 26px;border-left:1px solid var(--c-line-strong)}
.hero-stat:first-child{padding-left:0;border-left:0}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.35}
.hero-stat span{font-size:12.5px;color:var(--c-weak)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;background:var(--c-surface);box-shadow:var(--shadow-hover)}
.float-card{
  position:absolute;left:-18px;bottom:-20px;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:14px 18px;box-shadow:0 18px 40px -24px rgba(20,24,26,.35);
  display:flex;align-items:center;gap:12px;
}
.float-card b{display:block;font-size:15px;color:var(--c-ink);line-height:1.4}
.float-card small{display:block;font-size:12px;color:var(--c-weak);line-height:1.5}

/* 阶梯 */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end}
.tier{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);border-left:3px solid var(--c-primary);padding:26px 26px 28px;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.tier:nth-child(1){min-height:210px;background:#fff}
.tier:nth-child(2){min-height:238px;background:#F8FBF9}
.tier:nth-child(3){min-height:266px;background:var(--c-tint);border-left-color:var(--c-primary-dark)}
.tier-num{font-size:32px;font-weight:800;line-height:1;color:#C5D4CF;letter-spacing:-.03em;margin-bottom:auto}
.tier-pct{font-size:40px;font-weight:800;line-height:1.1;color:var(--c-primary);letter-spacing:-.03em;font-variant-numeric:tabular-nums;margin-top:18px}
.tier p{margin-top:8px;font-size:14px;color:var(--c-muted);line-height:1.75}

/* 套餐 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:16px;padding:34px 28px 30px;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s}
.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.plan--featured{border:2px solid var(--c-primary);transform:scale(1.02);box-shadow:0 20px 44px -30px rgba(15,110,92,.6)}
.plan--featured:hover{transform:scale(1.02) translateY(-3px)}
.plan-tag{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--c-primary);color:#fff;font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px;white-space:nowrap}
.plan-name{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.plan-for{font-size:13px;color:var(--c-weak);margin-top:4px}
.plan-price{display:flex;align-items:flex-end;flex-wrap:wrap;gap:8px;margin:20px 0 4px}
.price{font-size:clamp(38px,4.4vw,48px);font-weight:800;letter-spacing:-.03em;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1}
.price small{font-size:14px;font-weight:500;color:var(--c-weak);letter-spacing:0}
.price-old{font-size:14px;color:var(--c-weak);text-decoration:line-through}
.features{display:grid;gap:11px;margin:22px 0 26px;font-size:14px;color:var(--c-muted);line-height:1.65}
.features li{display:flex;gap:10px;align-items:flex-start}
.features li::before{
  content:"";flex:none;width:16px;height:16px;margin-top:4px;border-radius:50%;
  border:1.4px solid var(--c-primary);
  background:radial-gradient(circle,var(--c-primary) 0 34%,transparent 35%);
}
.plan .btn{margin-top:auto}

/* 对比表 */
.compare{margin-top:34px;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden}
.compare table{width:100%;border-collapse:collapse;font-size:14px}
.compare th,.compare td{padding:14px 20px;text-align:left;border-bottom:1px solid var(--c-line);color:var(--c-muted)}
.compare thead th{background:var(--c-surface);font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.compare tbody th{font-weight:600;color:var(--c-ink);background:#fff}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover td{background:#FAFCFB}

/* 限时带 */
.flash{background:var(--c-ink);color:#E9E6DE;border-radius:var(--radius-card);padding:26px 34px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.flash-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.flash-left b{font-size:18px;color:#fff;letter-spacing:-.01em;display:block;line-height:1.5}
.flash-left p{font-size:13.5px;color:#9BA8A3;line-height:1.7}
.countdown{display:flex;align-items:center;gap:8px}
.cd-block{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.10);border-radius:10px;min-width:58px;padding:7px 10px;text-align:center}
.cd-block b{display:block;font-size:22px;font-weight:700;color:#fff;line-height:1.25;font-variant-numeric:tabular-nums}
.cd-block span{display:block;font-size:10.5px;letter-spacing:.12em;color:#9BA8A3}
.cd-sep{color:#6F847D;font-weight:700}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{border-top:2px solid var(--c-line-strong);padding-top:20px;transition:border-color .22s}
.step:hover{border-top-color:var(--c-primary)}
.step-num{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-weak)}
.step h3{font-size:16.5px;font-weight:700;color:var(--c-ink);margin:8px 0 8px;letter-spacing:-.01em}
.step p{font-size:14px;color:var(--c-muted);line-height:1.8}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-card--lead{grid-column:span 2}
.news-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-surface)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s cubic-bezier(.2,.7,.3,1)}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body .badge{align-self:flex-start}
.news-title{font-size:16.5px;font-weight:700;line-height:1.5;letter-spacing:-.01em;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--c-primary)}
.news-excerpt{font-size:13.5px;line-height:1.75;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--c-weak);border-top:1px solid var(--c-line);font-variant-numeric:tabular-nums}
.news-meta .link-arrow{font-size:13px}
.empty-state{grid-column:1/-1;border:1px dashed var(--c-line-strong);border-radius:var(--radius-card);padding:48px 24px;text-align:center;background:#fff}
.empty-state p{font-size:14.5px;color:var(--c-muted)}
.empty-state .link-arrow{margin-top:12px}

/* FAQ */
.faq-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:6px 26px;box-shadow:var(--shadow-card)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 0;font-size:15.5px;font-weight:600;color:var(--c-ink);transition:color .2s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item[open] summary{color:var(--c-primary)}
.faq-plus{flex:none;color:var(--c-primary);font-size:20px;line-height:1;transition:transform .22s cubic-bezier(.2,.7,.3,1)}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{font-size:14px;line-height:1.8;color:var(--c-muted);padding:0 0 20px 16px;border-left:3px solid var(--c-primary);margin-left:2px}

/* 表单 */
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.contact-info h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--c-ink);line-height:1.25}
.contact-info p{margin-top:14px;font-size:15px;color:var(--c-muted);line-height:1.85}
.contact-facts{margin-top:26px;display:grid;gap:14px}
.contact-fact{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--c-muted)}
.contact-fact b{display:block;font-size:13px;color:var(--c-weak);font-weight:500}
.contact-fact span{color:var(--c-ink);font-weight:600}
.contact-fact i{flex:none;width:8px;height:8px;margin-top:9px;border-radius:50%;background:var(--c-primary)}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-card)}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field--full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--c-ink)}
.field input,.field select,.field textarea{
  width:100%;height:44px;padding:0 13px;border:1px solid var(--c-line-strong);border-radius:10px;background:#fff;
  font-size:14.5px;color:var(--c-text);transition:border-color .2s,box-shadow .2s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--c-weak) 50%),linear-gradient(135deg,var(--c-weak) 50%,transparent 50%);background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field textarea{height:auto;min-height:104px;padding:11px 13px;line-height:1.7;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.12)}
.form-note{grid-column:1/-1;font-size:12px;color:var(--c-weak);line-height:1.7;margin-top:2px}

/* 页尾 CTA */
.cta-band{background:var(--c-tint);border-radius:var(--radius-card);padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:64px}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;color:var(--c-ink);letter-spacing:-.02em;line-height:1.3}
.cta-band p{margin-top:6px;font-size:14.5px;color:#3E5A52;line-height:1.8}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#E9E6DE;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo svg{color:#7FC7B6}
.footer-brand p{margin-top:16px;font-size:14px;color:#9BA8A3;line-height:1.85;max-width:32em}
.footer-tel{margin-top:16px;font-size:15px;color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#9BA8A3;transition:color .2s}
.footer-links a:hover{color:#fff}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#9BA8A3}
.footer-bottom a{color:#9BA8A3}
.footer-bottom a:hover{color:#fff}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

@media (max-width:1279px){
  .hero-inner{gap:40px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-links,.command-search,.login-link{display:none}
  .nav-toggle{display:inline-flex}
  .hero{padding:56px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .float-card{left:12px;bottom:-16px}
  .tier-grid{grid-template-columns:1fr}
  .tier{min-height:0 !important}
  .plan-grid{grid-template-columns:1fr;gap:20px}
  .plan--featured{transform:none}
  .plan--featured:hover{transform:translateY(-3px)}
  .compare{display:none}
  .steps{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .news-card--lead{grid-column:span 2}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .hero-stats{gap:18px 0}
  .hero-stat{width:50%;padding:0 16px}
  .hero-stat:nth-child(odd){padding-left:0;border-left:0}
  .flash{padding:22px 20px;gap:18px}
  .flash-left{gap:12px}
  .countdown{width:100%;justify-content:flex-start;flex-wrap:wrap}
  .cd-block{min-width:52px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .news-card--lead{grid-column:span 1}
  .form-grid{grid-template-columns:1fr}
  .faq-list{padding:4px 18px}
  .cta-band{padding:26px 22px;margin-bottom:44px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519px){
  .hero h1{font-size:27px}
  .hero-actions .btn{width:100%}
  .hero-stat{width:100%;padding:10px 0 10px 0;border-left:0;border-top:1px solid var(--c-line)}
  .hero-stat:first-child{border-top:0;padding-top:0}
  .footer-grid{grid-template-columns:1fr}
  .float-card{position:static;margin-top:14px;left:auto;bottom:auto}
}

/* roulang page: category1 */
:root{
  --c-ink:#14181A;
  --c-primary:#0F6E5C;
  --c-primary-dark:#0A5949;
  --c-accent:#E8542F;
  --c-deep:#0B3B33;
  --c-bg:#FBFAF7;
  --c-surface:#F2EFE9;
  --c-mint:#DCE9E4;
  --c-line:#E4DFD6;
  --c-muted:#5A625F;
  --c-weak:#8C9490;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px -16px rgba(20,24,26,.20);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.16;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
::selection{background:var(--c-mint);color:var(--c-deep);}

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

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,250,247,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-bar{height:64px;display:flex;align-items:center;gap:20px;}
.logo{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:17px;letter-spacing:-.01em;color:var(--c-deep);
  flex-shrink:0;
}
.logo svg{width:24px;height:24px;color:var(--c-primary);flex-shrink:0;}
.logo span{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:16px;}
.nav-links a{
  position:relative;font-size:14px;color:var(--c-muted);padding:6px 0;
  transition:color .18s ease;
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::before{
  content:"";position:absolute;left:-11px;top:50%;transform:translateY(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--c-primary);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.command-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px 0 12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  color:var(--c-weak);transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(220,233,228,.9);}
.command-search svg{width:15px;height:15px;flex-shrink:0;color:var(--c-weak);}
.command-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:13.5px;color:var(--c-ink);
}
.command-search input::placeholder{color:var(--c-weak);}
.kbd-badge{
  flex-shrink:0;font-size:11px;letter-spacing:.04em;line-height:1;
  padding:4px 6px;border-radius:6px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-weak);
}
.nav-login{font-size:14px;color:var(--c-muted);padding:8px 4px;transition:color .18s ease;}
.nav-login:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);background:#fff;cursor:pointer;
}
.nav-toggle svg{width:18px;height:18px;color:var(--c-deep);}
.mobile-drawer{
  display:none;border-top:1px solid var(--c-line);background:#fff;
  padding:16px 24px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer .command-search{width:100%;margin-bottom:14px;}
.mobile-nav{display:flex;flex-direction:column;}
.mobile-nav a{
  font-size:15px;padding:12px 0;border-bottom:1px solid var(--c-line);color:var(--c-muted);
}
.mobile-nav a.active{color:var(--c-primary);font-weight:600;}
.mobile-drawer .btn-primary{width:100%;margin-top:16px;justify-content:center;}

/* ---------- Buttons ---------- */
.btn,
.btn-primary,
.btn-ghost,
.btn-link{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,
             box-shadow .18s ease,transform .18s ease;
  font-weight:600;font-size:14px;line-height:1.2;
  border:1px solid transparent;
}
.btn-primary{
  background:var(--c-primary);color:#fff;padding:14px 24px;border-color:var(--c-primary);
  box-shadow:0 1px 2px rgba(15,110,92,.18);
}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 24px -12px rgba(15,110,92,.65);}
.btn-ghost{
  background:#fff;color:var(--c-ink);padding:13px 24px;border-color:#D8D2C7;
}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.btn-link{
  background:transparent;color:var(--c-primary);padding:8px 0;font-weight:600;
}
.btn-link .arrow{transition:transform .18s ease;}
.btn-link:hover .arrow{transform:translateX(3px);}
.btn:focus-visible,.btn-primary:focus-visible,.btn-ghost:focus-visible,.btn-link:focus-visible,
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;
}
.btn-primary:active,.btn-ghost:active,.btn:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:13.5px;}

/* ---------- Badges & Tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  background:var(--c-mint);color:var(--c-primary);font-weight:600;letter-spacing:.01em;
}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-outline{background:#fff;border:1px solid var(--c-line);color:var(--c-muted);}
.eyebrow{
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-weak);font-weight:600;
}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  font-size:12.5px;color:var(--c-weak);display:flex;align-items:center;gap:8px;
  padding:22px 0 0;flex-wrap:wrap;
}
.breadcrumb a{color:var(--c-weak);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C3B8;}
.breadcrumb .current{color:var(--c-ink);}

/* ---------- Hero ---------- */
.hero{padding:34px 0 78px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.14;margin:14px 0 16px;color:var(--c-deep);
  font-weight:800;letter-spacing:-.025em;
}
.hero-sub{font-size:16px;color:var(--c-muted);line-height:1.85;max-width:38em;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:32px;
  border-top:1px solid var(--c-line);padding-top:22px;
}
.hero-stat{padding-right:22px;margin-right:22px;border-right:1px solid var(--c-line);}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stat strong{
  display:block;font-size:22px;font-weight:800;color:var(--c-deep);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat span{font-size:12.5px;color:var(--c-weak);}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:16px;overflow:hidden;background:var(--c-surface);
  box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;height:auto;}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;background:#fff;border:1px solid var(--c-line);
  border-radius:12px;padding:12px 14px;box-shadow:var(--shadow-hover);max-width:240px;
}
.hero-float .badge-accent{margin-bottom:8px;}
.hero-float p{font-size:12.5px;color:var(--c-muted);line-height:1.6;}

/* ---------- Section basics ---------- */
.section{padding:78px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-head h2{font-size:clamp(22px,2.4vw,30px);color:var(--c-deep);}
.section-head p{font-size:14.5px;color:var(--c-muted);margin-top:8px;max-width:46em;}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ---------- Filter chips ---------- */
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  font-size:13px;padding:8px 14px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-muted);font-weight:500;
}
.chip.is-on{background:var(--c-deep);border-color:var(--c-deep);color:#fff;}

/* ---------- Plan cards ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:30px 26px;box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease;
}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D5CFC3;}
.plan-card.featured{
  border:2px solid var(--c-primary);transform:scale(1.02);
  box-shadow:0 18px 40px -24px rgba(15,110,92,.55);
}
.plan-card.featured:hover{transform:scale(1.02) translateY(-3px);}
.plan-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--c-primary);color:#fff;font-size:12px;font-weight:600;
  padding:5px 14px;border-radius:999px;white-space:nowrap;
}
.plan-name{font-size:17px;font-weight:700;color:var(--c-deep);}
.plan-desc{font-size:13.5px;color:var(--c-muted);margin-top:6px;line-height:1.75;min-height:48px;}
.plan-price{margin:20px 0 4px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;}
.plan-price .num{
  font-size:48px;font-weight:800;color:var(--c-deep);line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.plan-price .num small{font-size:20px;font-weight:700;margin-right:2px;}
.plan-price .was{
  font-size:14px;color:var(--c-weak);text-decoration:line-through;
  font-variant-numeric:tabular-nums;
}
.plan-note{font-size:12.5px;color:var(--c-weak);margin-bottom:20px;}
.plan-list{border-top:1px solid var(--c-line);padding-top:18px;margin-bottom:24px;flex:1;}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--c-muted);padding:7px 0;line-height:1.6;}
.plan-list li svg{
  width:18px;height:18px;flex-shrink:0;margin-top:3px;color:var(--c-primary);
}
.plan-card .btn-primary,.plan-card .btn-ghost{width:100%;justify-content:center;}

/* ---------- Compare table ---------- */
.table-wrap{
  margin-top:32px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);
}
.compare-table{font-size:14px;}
.compare-table caption{
  caption-side:top;text-align:left;font-size:13px;color:var(--c-weak);
  padding:16px 22px;border-bottom:1px solid var(--c-line);background:var(--c-surface);
}
.compare-table th,.compare-table td{padding:14px 22px;text-align:left;border-bottom:1px solid var(--c-line);}
.compare-table thead th{
  background:#fff;font-size:13px;font-weight:700;color:var(--c-deep);letter-spacing:.01em;
}
.compare-table thead th.hl{color:var(--c-primary);}
.compare-table tbody tr:nth-child(even){background:#FCFBF8;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody th{font-weight:600;color:var(--c-ink);font-size:13.5px;width:22%;}
.compare-table td{color:var(--c-muted);font-variant-numeric:tabular-nums;}
.compare-table td.hl{color:var(--c-deep);font-weight:600;}

/* ---------- Process ---------- */
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 22px;box-shadow:var(--shadow-card);position:relative;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s cubic-bezier(.2,.7,.3,1);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-num{
  font-size:30px;font-weight:800;color:#DDD7CB;line-height:1;
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;margin-bottom:14px;
}
.step h3{font-size:15.5px;color:var(--c-deep);margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--c-muted);line-height:1.75;}

/* ---------- Evidence strip ---------- */
.evidence{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.evidence-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.kpi{border-left:3px solid var(--c-primary);padding-left:16px;}
.kpi strong{
  display:block;font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--c-deep);
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.kpi span{display:block;font-size:13px;color:var(--c-muted);margin-top:6px;line-height:1.7;}

/* ---------- Media block ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.split-media{border-radius:16px;overflow:hidden;background:var(--c-surface);box-shadow:var(--shadow-card);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;height:auto;}
.split h2{font-size:clamp(22px,2.4vw,30px);color:var(--c-deep);margin-bottom:14px;}
.split p{font-size:15px;color:var(--c-muted);line-height:1.9;}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-ink);line-height:1.7;}
.check-list li svg{width:18px;height:18px;flex-shrink:0;margin-top:3px;color:var(--c-primary);}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 4px 20px 0;font-size:15.5px;font-weight:600;color:var(--c-ink);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .ico{
  width:22px;height:22px;flex-shrink:0;position:relative;color:var(--c-primary);
}
.faq-item summary .ico::before,
.faq-item summary .ico::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .22s ease;
}
.faq-item summary .ico::before{left:50%;top:3px;width:2px;height:16px;transform:translateX(-50%);}
.faq-item summary .ico::after{top:50%;left:3px;height:2px;width:16px;transform:translateY(-50%);}
.faq-item[open] summary .ico::before{transform:translateX(-50%) rotate(45deg);}
.faq-item[open] summary .ico::after{transform:translateY(-50%) rotate(45deg);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-body{
  padding:0 0 22px 14px;border-left:3px solid var(--c-primary);
  font-size:14px;color:var(--c-muted);line-height:1.85;margin-left:2px;
}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 64px;}
.cta-inner{
  background:var(--c-mint);border-radius:var(--radius-card);padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);color:var(--c-deep);}
.cta-inner p{font-size:14px;color:#3F5B54;margin-top:8px;line-height:1.8;}
.cta-inner .btn-primary{flex-shrink:0;padding:15px 28px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-deep);color:#E9E6DE;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo svg{color:#7FD3BE;}
.footer-brand p{font-size:13.5px;color:#9BA8A3;line-height:1.85;max-width:30em;}
.footer-tel{
  margin-top:16px;font-size:20px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;letter-spacing:.01em;
}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:#9BA8A3;transition:color .18s ease;}
.footer-links a:hover{color:#7FD3BE;}
.footer-bottom{
  border-top:1px solid rgba(233,230,222,.16);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#9BA8A3;
}

/* ---------- Animation ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.in{opacity:1;transform:none;transition:opacity .5s ease,transform .5s cubic-bezier(.2,.7,.3,1);}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .hero-grid{gap:36px;}
}
@media (max-width:1024px){
  .nav-links,.command-search,.nav-login{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions{gap:10px;}
  .hero{padding:26px 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:640px;}
  .hero-float{left:auto;right:12px;bottom:-16px;}
  .section{padding:64px 0;}
  .section-tight{padding:48px 0;}
  .plans{grid-template-columns:repeat(2,1fr);}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-3px);}
  .process{grid-template-columns:repeat(2,1fr);}
  .evidence-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:32px;}
  .cta-inner .btn-primary{width:100%;justify-content:center;}
}
@media (max-width:768px){
  .hero h1{font-size:clamp(26px,6.4vw,34px);}
  .plans{grid-template-columns:1fr;}
  .plan-card{padding:26px 22px;}
  .plan-desc{min-height:0;}
  .process{grid-template-columns:1fr;}
  .table-wrap{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero-stats{gap:16px 0;}
  .hero-stat{flex:1 1 46%;border-right:0;padding-right:0;margin-right:0;}
  .hero-stat:nth-child(odd){border-right:1px solid var(--c-line);padding-right:16px;margin-right:16px;}
  .compare-table{font-size:13px;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .mobile-drawer{padding:16px 20px 22px;}
  .evidence-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-inner{padding:26px 22px;}
  .plan-price .num{font-size:40px;}
  .faq-item summary{font-size:15px;padding:18px 0;}
}
@media (max-width:520px){
  .hero-cta .btn-primary,.hero-cta .btn-ghost{width:100%;justify-content:center;}
  .hero-float{position:static;margin-top:14px;max-width:none;}
}

/* roulang page: article */
:root{
  --c-ink:#14181A;
  --c-body:#252B2A;
  --c-muted:#5A625F;
  --c-weak:#8C9490;
  --c-primary:#0F6E5C;
  --c-primary-dark:#0A5949;
  --c-accent:#E8542F;
  --c-deep:#0B3B33;
  --c-bg:#FBFAF7;
  --c-surface:#F2EFE9;
  --c-soft:#DCE9E4;
  --c-line:#E4DFD6;
  --c-white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px -16px rgba(20,24,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.02em;line-height:1.2}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}

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

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,250,247,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-deep)}
.logo svg{width:24px;height:24px;color:var(--c-primary);flex:none}
.logo:hover span{color:var(--c-primary)}
.logo span{transition:color .2s var(--ease)}
.nav-links{display:flex;align-items:center;gap:28px;font-size:14px}
.nav-links a{position:relative;color:var(--c-muted);padding:6px 0;transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);transform:translateX(-50%);
}
.nav-right{display:flex;align-items:center;gap:16px}
.cmd-search{position:relative;width:240px;flex:none}
.cmd-search input{
  width:100%;height:38px;padding:0 58px 0 34px;font-size:13.5px;color:var(--c-ink);
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-btn);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search input::placeholder{color:var(--c-weak)}
.cmd-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.14)}
.cmd-search .search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--c-weak);pointer-events:none}
.cmd-search kbd{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:inherit;font-size:11px;line-height:1;color:var(--c-weak);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:5px;padding:3px 5px;
}
.nav-login{font-size:14px;color:var(--c-muted);transition:color .2s var(--ease)}
.nav-login:hover{color:var(--c-primary)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border:1px solid transparent;border-radius:var(--radius-btn);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--c-primary);color:#fff;padding:12px 24px;font-size:15px}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(15,110,92,.85)}
.btn-ghost{background:var(--c-white);border-color:#D8D2C7;color:var(--c-ink);padding:12px 24px;font-size:15px}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-sm{padding:9px 18px;font-size:14px}

.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-btn);color:var(--c-ink);
}
.nav-toggle svg{width:18px;height:18px}

.mobile-drawer{display:none;border-top:1px solid var(--c-line);background:var(--c-white);padding:16px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .m-search{position:relative;margin-bottom:14px}
.mobile-drawer .m-search input{
  width:100%;height:42px;padding:0 14px 0 36px;font-size:14px;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);background:var(--c-bg);outline:none;
}
.mobile-drawer .m-search input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.14)}
.mobile-drawer .m-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:15px;height:15px;color:var(--c-weak)}
.mobile-nav{display:grid;gap:2px;margin-bottom:16px}
.mobile-nav a{padding:11px 2px;font-size:15px;color:var(--c-muted);border-bottom:1px solid var(--c-line)}
.mobile-nav a.active{color:var(--c-primary);font-weight:600}
.mobile-drawer .btn{width:100%}

/* ---------- breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:12.5px;color:var(--c-weak);padding:22px 0 0;
}
.breadcrumb a{color:var(--c-weak);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#CFC8BC}
.breadcrumb .current{color:var(--c-ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article head ---------- */
.article-head{padding:14px 0 30px;border-bottom:1px solid var(--c-line)}
.badge-cat{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  background:var(--c-soft);color:var(--c-primary);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.article-title{
  font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  color:var(--c-ink);margin:16px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-weak)}
.article-meta span{display:inline-flex;align-items:center;gap:10px}
.article-meta span + span::before{content:"/";color:#CFC8BC}
.share-btn{
  background:none;border:1px solid var(--c-line);border-radius:999px;padding:3px 12px;
  font-size:12.5px;color:var(--c-muted);transition:.2s var(--ease);
}
.share-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- layout ---------- */
.article-wrap{padding:40px 0 8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start}
.article-main{min-width:0}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.9;color:var(--c-body);word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.35;color:var(--c-ink);
  margin:2.1em 0 .8em;padding-left:14px;letter-spacing:-.015em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:1em;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--c-ink);margin:1.7em 0 .6em}
.article-body h4{font-size:16px;font-weight:700;color:var(--c-ink);margin:1.5em 0 .5em}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,110,92,.32);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body strong{color:var(--c-ink);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;background:var(--c-soft);color:var(--c-muted);
  border-left:3px solid var(--c-primary);border-radius:0 12px 12px 0;font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:0}
.article-body ul{list-style:none}
.article-body ul > li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul > li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol > li{margin-bottom:.55em;padding-left:4px}
.article-body ol > li::marker{color:var(--c-primary);font-weight:700}
.article-body img{border-radius:12px;margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figure img{margin:0 auto}
.article-body figcaption{font-size:13px;color:var(--c-weak);text-align:center;margin-top:10px}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;line-height:1.7}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body thead th{background:var(--c-surface);font-weight:700;color:var(--c-ink)}
.article-body tbody tr:nth-child(even){background:#FAF9F6}
.article-body code{
  background:var(--c-surface);border-radius:5px;padding:2px 6px;font-size:13.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

.empty-state{
  border:1px dashed var(--c-line);border-radius:12px;background:var(--c-white);
  padding:52px 24px;text-align:center;
}
.empty-state svg{width:34px;height:34px;color:var(--c-weak);margin:0 auto 14px}
.empty-state p{font-size:16px;color:var(--c-muted);margin:0 0 14px}
.empty-state a{color:var(--c-primary);font-weight:600;border-bottom:1px solid rgba(15,110,92,.32)}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:88px;display:grid;gap:20px}
.s-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px;
}
.s-title{
  font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--c-weak);margin:0 0 12px;
}
.toc{display:grid;gap:2px}
.toc a{
  display:block;font-size:14px;color:var(--c-muted);padding:7px 0 7px 12px;
  border-left:2px solid transparent;line-height:1.55;transition:.2s var(--ease);
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-primary);background:#FAF9F6}
.s-cta{background:var(--c-soft);border-color:#CFE0DA}
.s-cta h3{font-size:16.5px;font-weight:700;margin:0 0 8px;line-height:1.5}
.s-cta p{font-size:13.5px;line-height:1.75;color:#3F514C;margin:0 0 16px}
.s-cta .btn{width:100%;padding:11px 18px;font-size:14.5px}
.s-cta .s-note{font-size:12px;color:#5C716B;margin:10px 0 0}

/* ---------- related ---------- */
.section-block{margin-top:56px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:20px}
.section-head h2{font-size:22px;font-weight:700}
.section-head a{font-size:14px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.section-head a svg{width:14px;height:14px;transition:transform .2s var(--ease)}
.section-head a:hover svg{transform:translateX(3px)}

.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-item{
  display:flex;gap:14px;padding:14px;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3CCC0}
.rel-thumb{width:86px;height:66px;flex:none;border-radius:10px;object-fit:cover;background:var(--c-surface)}
.rel-txt{min-width:0}
.rel-txt strong{display:block;font-size:14.5px;font-weight:600;color:var(--c-ink);line-height:1.5;transition:color .2s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-item:hover .rel-txt strong{color:var(--c-primary)}
.rel-txt span{display:block;font-size:12px;color:var(--c-weak);margin-top:6px;font-variant-numeric:tabular-nums}

.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.pn-item{
  display:block;padding:16px 18px;background:var(--c-white);border:1px solid var(--c-line);
  border-radius:12px;transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.pn-item:hover{border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.pn-item span{display:block;font-size:12px;color:var(--c-weak);margin-bottom:6px}
.pn-item strong{display:block;font-size:14.5px;font-weight:600;color:var(--c-ink);line-height:1.55}
.back-row{margin-top:24px;display:flex;justify-content:center}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--c-soft);border-radius:var(--radius-card);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  margin:64px 0 64px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,25px);font-weight:800;margin:0 0 8px;line-height:1.35}
.cta-band p{font-size:14.5px;color:#3F514C;margin:0;line-height:1.75}
.cta-band .btn{flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--c-deep);color:#E9E6DE;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.site-footer .logo{color:#fff}
.site-footer .logo svg{color:#5FC6AE}
.site-footer .logo:hover span{color:#7FE3C8}
.footer-brand p{font-size:14px;line-height:1.8;color:#9BA8A3;margin:14px 0 16px;max-width:330px}
.footer-tel{font-size:17px;font-weight:700;color:#E9E6DE;letter-spacing:.02em;font-variant-numeric:tabular-nums}
.footer-title{font-size:14px;font-weight:700;color:#E9E6DE;margin:0 0 16px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{font-size:14px;color:#9BA8A3;transition:color .2s var(--ease)}
.footer-links a:hover{color:#7FE3C8}
.footer-bottom{
  border-top:1px solid rgba(233,230,222,.14);padding:20px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C9A95;
}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-links{gap:20px}
  .cmd-search{width:200px}
}
@media (max-width:1024px){
  .nav-links,.cmd-search,.nav-login{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:1fr;gap:44px}
  .sidebar{position:static}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .article-head{padding:10px 0 24px}
  .article-wrap{padding:32px 0 0}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:21px;margin-top:1.9em}
  .article-body h3{font-size:17px}
  .rel-grid{grid-template-columns:1fr}
  .prev-next{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px;gap:20px;margin:48px 0}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .breadcrumb .current{max-width:100%}
}
@media (max-width:520px){
  .nav-inner{height:60px}
  .logo{font-size:16px}
  .nav-right{gap:10px}
  .btn-sm{padding:8px 14px;font-size:13.5px}
  .article-meta{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .s-card{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#0F6E5C;
  --c-primary-dark:#0A5949;
  --c-ink:#0B3B33;
  --c-accent:#E8542F;
  --c-bg:#FBFAF7;
  --c-surface:#F2EFE9;
  --c-card:#FFFFFF;
  --c-line:#E4DFD6;
  --c-line-strong:#D8D2C7;
  --c-text:#14181A;
  --c-muted:#5A625F;
  --c-faint:#8C9490;
  --c-mint:#DCE9E4;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px -16px rgba(20,24,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.9;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:var(--c-mint);color:var(--c-ink)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:9px;color:var(--c-ink);flex:none}
.logo svg{width:24px;height:24px;color:var(--c-primary);flex:none}
.logo span{font-size:17px;font-weight:700;letter-spacing:-.01em}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--c-muted);
  padding:6px 0;transition:color .18s ease;white-space:nowrap;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-16px;width:4px;height:4px;border-radius:50%;background:var(--c-primary);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.search{position:relative;display:flex;align-items:center;gap:8px;width:240px;height:38px;padding:0 10px;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);background:#fff;transition:border-color .18s,box-shadow .18s;}
.search i{font-size:12px;color:var(--c-faint)}
.search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13.5px;line-height:1.4}
.search input::placeholder{color:var(--c-faint)}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.13)}
.kbd{font-size:11px;line-height:1.6;color:var(--c-faint);border:1px solid var(--c-line);border-radius:5px;
  padding:0 5px;background:var(--c-surface);white-space:nowrap}
.link-quiet{font-size:14px;color:var(--c-muted);transition:color .18s}
.link-quiet:hover{color:var(--c-primary)}
.menu-btn{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-ink);align-items:center;justify-content:center;font-size:15px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 22px;border-radius:var(--radius-btn);font-size:14.5px;font-weight:600;
  line-height:1.2;transition:transform .18s var(--ease),background-color .18s,border-color .18s,color .18s,box-shadow .18s;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 1px 2px rgba(11,59,51,.16)}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 24px -14px rgba(11,59,51,.6)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line-strong)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#cf4523;transform:translateY(-1px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:2px;
}
.btn:active{transform:translateY(1px)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary)}
.link-arrow i{transition:transform .18s var(--ease);font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--c-mint);color:var(--c-primary);line-height:1.6}
.badge-accent{background:var(--c-accent);color:#fff}
.badge-outline{background:#fff;border:1px solid var(--c-line-strong);color:var(--c-muted);font-weight:500}
.tag{display:inline-flex;align-items:center;padding:6px 13px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;font-size:13px;color:var(--c-muted);transition:all .18s var(--ease)}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff;transform:translateY(-2px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-faint);
  padding:22px 0 0;overflow:hidden;white-space:nowrap}
.breadcrumb a{color:var(--c-faint);transition:color .18s}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line-strong)}
.breadcrumb .now{color:var(--c-text);overflow:hidden;text-overflow:ellipsis}

/* ---------- Hero ---------- */
.hero{position:relative;padding:34px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.65;
  background-image:linear-gradient(to right,rgba(20,24,26,.05) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(20,24,26,.05) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(to bottom,#000,transparent 72%);
  mask-image:linear-gradient(to bottom,#000,transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}
.eyebrow{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);
  font-weight:700;margin-bottom:16px}
.hero h1{
  font-size:clamp(30px,4.1vw,46px);line-height:1.14;letter-spacing:-.02em;font-weight:800;color:var(--c-ink);
  max-width:15em;
}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:var(--c-muted);max-width:33em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line)}
.stat{padding-right:26px;margin-right:26px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0;margin-right:0;padding-right:0}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.3}
.stat small{display:block;font-size:12.5px;color:var(--c-faint);margin-top:2px}
.hero-media{position:relative;border-radius:16px;overflow:hidden;background:var(--c-surface);
  box-shadow:var(--shadow-card);aspect-ratio:16/9}
.hero-media img{width:100%;height:100%;object-fit:cover}
.float-card{
  position:absolute;left:18px;bottom:18px;background:#fff;border-radius:12px;padding:12px 16px;
  box-shadow:0 12px 32px -16px rgba(20,24,26,.35);display:flex;align-items:center;gap:12px;
  max-width:calc(100% - 36px);
}
.float-card strong{display:block;font-size:14px;color:var(--c-ink);line-height:1.5}
.float-card span{display:block;font-size:12px;color:var(--c-faint)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--c-surface)}
.section-line{border-top:1px solid var(--c-line)}
.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(22px,2.6vw,30px);line-height:1.25;letter-spacing:-.02em;font-weight:800;color:var(--c-ink)}
.sec-head p{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:44em}

/* ---------- 杂志式精选 ---------- */
.feature-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:start}
.card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--c-line-strong)}
.thumb{overflow:hidden;border-radius:12px;background:var(--c-surface);aspect-ratio:16/9;margin-bottom:18px}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.feature-main{padding:18px 18px 24px;display:block}
.feature-main h3{font-size:clamp(19px,2.2vw,24px);line-height:1.35;font-weight:700;color:var(--c-ink);margin-top:12px}
.feature-main p{margin-top:10px;font-size:14.5px;color:var(--c-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:12.5px;color:var(--c-faint);
  font-variant-numeric:tabular-nums}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:var(--c-line-strong)}
.side-list{display:flex;flex-direction:column;gap:24px}
.mini{display:grid;grid-template-columns:104px 1fr;gap:14px;padding:14px;align-items:start}
.mini .thumb{margin-bottom:0;aspect-ratio:4/3;grid-row:span 1}
.mini h3{font-size:15.5px;line-height:1.5;font-weight:700;color:var(--c-ink);margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini .meta-row{margin-top:10px}

/* ---------- 能力卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.ability{padding:28px 26px 26px}
.ico{width:42px;height:42px;border-radius:12px;background:var(--c-mint);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:18px}
.ability h3{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.45}
.ability p{margin-top:10px;font-size:14.5px;color:var(--c-muted);line-height:1.8}
.ability ul{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.ability li{position:relative;padding-left:20px;font-size:13.5px;color:var(--c-muted);line-height:1.7}
.ability li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;
  border:1.5px solid var(--c-primary)}

/* ---------- 数据条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--c-line);
  border-radius:var(--radius-card);background:var(--c-card);overflow:hidden;box-shadow:var(--shadow-card)}
.metric{padding:28px 24px;border-right:1px solid var(--c-line)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:clamp(26px,3.2vw,36px);font-weight:800;color:var(--c-ink);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2}
.metric span{display:block;font-size:13px;color:var(--c-faint);margin-top:6px;line-height:1.6}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--c-line)}
.flow-step{padding:28px 24px 4px 0;border-right:1px solid var(--c-line);position:relative}
.flow-step:last-child{border-right:0}
.flow-num{font-size:32px;font-weight:800;color:var(--c-line-strong);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;line-height:1}
.flow-step h3{margin-top:14px;font-size:16px;font-weight:700;color:var(--c-ink)}
.flow-step p{margin-top:8px;font-size:13.5px;color:var(--c-muted);line-height:1.75;padding-right:12px}
.flow-step::before{content:"";position:absolute;left:0;top:-1px;width:44px;height:3px;background:var(--c-primary)}

/* ---------- 条目列表 ---------- */
.entry-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.entry{display:grid;grid-template-columns:64px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--c-line);
  position:relative;transition:padding-left .2s var(--ease)}
.entry::before{content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .2s var(--ease)}
.entry:hover::before{opacity:1}
.entry:hover{padding-left:6px}
.date-block{width:64px;height:64px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.1;flex:none}
.date-block b{font-size:21px;font-weight:800;color:var(--c-ink);font-variant-numeric:tabular-nums}
.date-block span{font-size:11px;color:var(--c-faint);margin-top:2px}
.entry h3{font-size:16px;font-weight:700;color:var(--c-ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry p{margin-top:6px;font-size:13.5px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry .meta-row{margin-top:10px}
.empty-card{margin-top:24px;border:1px dashed var(--c-line-strong);border-radius:var(--radius-card);
  background:#fff;padding:44px 24px;text-align:center;color:var(--c-faint)}
.empty-card i{font-size:22px;color:var(--c-line-strong);display:block;margin-bottom:12px}
.empty-card p{font-size:14px;margin-bottom:10px}

/* ---------- 标签云 + 订阅 ---------- */
.tag-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:start}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.subscribe{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-card)}
.subscribe h3{font-size:17px;font-weight:700;color:var(--c-ink)}
.subscribe p{margin-top:8px;font-size:13.5px;color:var(--c-muted);line-height:1.75}
.field{margin-top:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--c-ink);margin-bottom:6px}
.input{width:100%;height:44px;padding:0 14px;border:1px solid var(--c-line-strong);border-radius:var(--radius-btn);
  background:#fff;font-size:14px;outline:0;transition:border-color .18s,box-shadow .18s}
.input::placeholder{color:var(--c-faint)}
.input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.13)}
.privacy{margin-top:12px;font-size:12px;color:var(--c-faint);line-height:1.7}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--c-line);max-width:880px}
.faq details{border-bottom:1px solid var(--c-line);position:relative}
.faq summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 20px;position:relative;
  font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.6;transition:color .18s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .2s}
.faq details[open] summary::before{opacity:1}
.faq summary::after{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%) rotate(0deg);
  font-size:20px;font-weight:400;color:var(--c-primary);transition:transform .22s var(--ease);line-height:1;
}
.faq details[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq summary:hover{color:var(--c-primary)}
.faq .answer{padding:0 44px 22px 20px;font-size:14px;color:var(--c-muted);line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--c-mint);border-radius:var(--radius-card);padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--c-ink);letter-spacing:-.01em;line-height:1.35}
.cta-band p{margin-top:8px;font-size:14.5px;color:#2C5B50;max-width:38em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#E9E6DE;margin-top:64px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff}
.footer-brand .logo svg{color:#5FC3AB}
.footer-brand p{margin-top:16px;font-size:13.5px;color:#9BA8A3;line-height:1.85;max-width:26em}
.footer-tel{margin-top:18px;font-size:20px;font-weight:800;color:#fff;letter-spacing:-.01em;
  font-variant-numeric:tabular-nums}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#9BA8A3;transition:color .18s}
.footer-links a:hover{color:#5FC3AB}
.footer-bottom{border-top:1px solid rgba(233,230,222,.14);padding:20px 0 26px;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#9BA8A3}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:100;display:none}
.drawer.open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(11,59,51,.42);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}
.drawer-panel{position:absolute;top:0;right:0;width:min(360px,88vw);height:100%;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;box-shadow:-12px 0 40px -20px rgba(20,24,26,.4)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head span{font-size:16px;font-weight:700;color:var(--c-ink)}
.drawer-close{width:36px;height:36px;border:1px solid var(--c-line);border-radius:10px;font-size:18px;
  color:var(--c-muted);display:flex;align-items:center;justify-content:center}
.drawer .search{width:100%}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{padding:13px 12px;border-radius:10px;font-size:15px;color:var(--c-muted);font-weight:500}
.drawer-nav a.active{background:var(--c-mint);color:var(--c-primary);font-weight:700}
.drawer-nav a:hover{background:var(--c-surface);color:var(--c-primary)}
.drawer-cta{width:100%}

/* ---------- 动画 ---------- */
.fade-up{animation:fadeUp .5s var(--ease) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.stagger>*{animation:fadeUp .5s var(--ease) both}
.stagger>*:nth-child(1){animation-delay:.02s}
.stagger>*:nth-child(2){animation-delay:.09s}
.stagger>*:nth-child(3){animation-delay:.16s}
.stagger>*:nth-child(4){animation-delay:.23s}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-links,.nav-right .search,.nav-right .link-quiet,.nav-right .btn-primary{display:none}
  .menu-btn{display:flex}
  .nav-inner{height:60px}
  .section{padding:72px 0}
  .hero{padding:26px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-media{order:-1;max-width:560px}
  .feature-grid{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--c-line)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step:nth-child(2){border-right:0}
  .flow-step{padding-bottom:26px}
  .tag-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:18px 0 48px}
  .hero h1{max-width:none}
  .hero-sub{font-size:15.5px}
  .stat{padding-right:18px;margin-right:18px}
  .feature-main{padding:14px 14px 20px}
  .entry-list{grid-template-columns:1fr}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .flow-step{border-right:0;border-bottom:1px solid var(--c-line);padding:24px 0}
  .flow-step:last-child{border-bottom:0}
  .entry:hover{padding-left:0}
  .entry::before{left:0;display:none}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0!important;border-bottom:1px solid var(--c-line)}
  .metric:last-child{border-bottom:0}
  .cta-band{padding:26px 22px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{font-size:12px}
  .faq summary{padding:18px 40px 18px 16px;font-size:15px}
  .faq .answer{padding:0 16px 18px 16px}
  .mini{grid-template-columns:92px 1fr}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .stat b{font-size:21px}
  .date-block{width:56px;height:56px}
  .entry{grid-template-columns:56px 1fr;gap:12px}
}

/* roulang page: category2 */
:root{
  --c-ink:#14181A;
  --c-primary:#0F6E5C;
  --c-primary-dark:#0A5949;
  --c-deep:#0B3B33;
  --c-accent:#E8542F;
  --c-bg:#FBFAF7;
  --c-surface:#F2EFE9;
  --c-line:#E4DFD6;
  --c-muted:#5A625F;
  --c-weak:#8C9490;
  --c-mint:#DCE9E4;
  --c-white:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-badge:999px;
  --shadow-card:0 1px 2px rgba(20,24,26,.06);
  --shadow-hover:0 12px 32px -16px rgba(20,24,26,.20);
  --ease:cubic-bezier(.2,.7,.3,1);
  --space-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.12;letter-spacing:-.02em;}
p{margin:0;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

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

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-card);}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--c-ink);border:1px solid #D8D2C7;}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:9px;}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#cf4522;transform:translateY(-1px);box-shadow:0 12px 28px -14px rgba(232,84,47,.55);}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-arrow .arw{transition:transform .22s var(--ease);}
.link-arrow:hover .arw{transform:translateX(3px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--c-mint);color:var(--c-primary);white-space:nowrap;
}
.badge-accent{background:var(--c-accent);color:#fff;}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:64px;}
.logo{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-deep);}
.logo svg{width:24px;height:24px;color:var(--c-primary);flex:none;}
.nav-links{display:flex;align-items:center;gap:28px;margin-left:6px;}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:14px;color:var(--c-muted);transition:color .18s var(--ease);}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:4px;height:4px;border-radius:50%;
  background:var(--c-primary);transform:translateX(-50%);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:240px;height:38px;padding:0 10px;
  background:#fff;border:1px solid var(--c-line);border-radius:10px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.cmd-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,110,92,.12);}
.cmd-search svg{width:15px;height:15px;color:var(--c-weak);flex:none;}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13px;}
.cmd-search input::placeholder{color:var(--c-weak);}
.cmd-search kbd{
  font-family:inherit;font-size:11px;line-height:1;color:var(--c-weak);
  border:1px solid var(--c-line);border-radius:6px;padding:3px 5px;background:var(--c-surface);
}
.nav-login{font-size:14px;color:var(--c-muted);transition:color .18s var(--ease);}
.nav-login:hover{color:var(--c-primary);}
.menu-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-ink);
}
.menu-btn svg{width:18px;height:18px;}
.drawer{display:none;border-top:1px solid var(--c-line);background:#fff;padding:18px 24px 24px;}
.drawer.open{display:block;}
.drawer-search{width:100%;}
.drawer-links{display:flex;flex-direction:column;margin:14px 0 18px;}
.drawer-links a{padding:12px 2px;font-size:15px;color:var(--c-muted);border-bottom:1px solid var(--c-line);}
.drawer-links a.active{color:var(--c-primary);font-weight:600;}
.drawer-cta{width:100%;}

/* ============ 页头 ============ */
.page-head{
  padding:34px 0 0;
  background:linear-gradient(180deg,rgba(251,250,247,.94),rgba(251,250,247,.99)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--c-weak);}
.breadcrumb a{transition:color .18s var(--ease);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C2B6;}
.breadcrumb .cur{color:var(--c-ink);max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:end;margin-top:26px;padding-bottom:40px;}
.head-grid h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.15;color:var(--c-deep);letter-spacing:-.025em;
}
.head-sub{margin-top:14px;font-size:16px;color:var(--c-muted);max-width:640px;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* ============ 限时提示带 ============ */
.promo-band{
  background:var(--c-deep);color:#E9E6DE;border-radius:var(--radius-card);
  padding:20px 26px;display:flex;flex-wrap:wrap;align-items:center;gap:20px;
  position:relative;overflow:hidden;
}
.promo-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.10);
}
.promo-band .pb-text{flex:1 1 260px;min-width:220px;}
.promo-band strong{display:block;font-size:16px;color:#fff;font-weight:700;letter-spacing:-.01em;}
.promo-band span{font-size:13px;color:#9BA8A3;}
.countdown{display:flex;align-items:center;gap:8px;}
.cd-cell{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:52px;padding:6px 8px;border-radius:9px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.12);
}
.cd-cell b{font-size:19px;line-height:1.2;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:.02em;}
.cd-cell em{font-style:normal;font-size:10px;color:#9BA8A3;line-height:1.2;}

/* ============ 主布局 ============ */
.deal-layout{display:grid;grid-template-columns:264px minmax(0,1fr);gap:44px;align-items:start;padding:60px 0 0;}
.side-nav{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:18px 14px;box-shadow:var(--shadow-card);
}
.side-nav h2{font-size:12px;letter-spacing:.14em;color:var(--c-weak);font-weight:700;padding:0 10px 8px;text-transform:uppercase;}
.side-nav a{
  display:block;position:relative;padding:10px 12px;border-radius:8px;
  font-size:14px;color:var(--c-muted);transition:background .18s var(--ease),color .18s var(--ease);
}
.side-nav a:hover{background:var(--c-surface);color:var(--c-ink);}
.side-nav a.is-current{background:var(--c-mint);color:var(--c-deep);font-weight:600;}
.side-nav a.is-current::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:2px;background:var(--c-primary);
}
.side-note{margin-top:16px;padding:14px 12px 4px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-weak);line-height:1.7;}

/* ============ 主推卡 ============ */
.feature{
  display:grid;grid-template-columns:280px minmax(0,1fr);gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);margin-bottom:34px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.feature:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.feature-media{position:relative;background:var(--c-surface);aspect-ratio:4/3;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-body{padding:26px 28px;display:flex;flex-direction:column;gap:12px;}
.feature-body h3{font-size:20px;line-height:1.35;color:var(--c-deep);}
.feature-body p{font-size:14px;color:var(--c-muted);line-height:1.8;}
.feature-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;}
.feature-meta{font-size:12.5px;color:var(--c-weak);}

/* ============ 活动条目列表 ============ */
.deal-list{display:flex;flex-direction:column;}
.deal{
  position:relative;display:grid;grid-template-columns:78px minmax(0,1fr);gap:20px;
  padding:26px 0 26px 18px;border-bottom:1px solid var(--c-line);
  transition:background .22s var(--ease);
}
.deal:first-child{border-top:1px solid var(--c-line);}
.deal::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:3px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .22s var(--ease);
}
.deal:hover{background:linear-gradient(90deg,rgba(220,233,228,.55),rgba(220,233,228,0));}
.deal:hover::before{opacity:1;}
.date-box{
  width:78px;height:78px;border:1px solid var(--c-line);border-radius:12px;background:#fff;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  transition:border-color .22s var(--ease);
}
.deal:hover .date-box{border-color:var(--c-primary);}
.date-box .d{font-size:26px;font-weight:700;line-height:1;color:var(--c-deep);font-variant-numeric:tabular-nums;}
.date-box .m{font-size:11px;color:var(--c-weak);letter-spacing:.02em;}
.deal-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.deal-top{display:flex;flex-wrap:wrap;gap:8px;}
.deal-body h3{font-size:18px;line-height:1.4;color:var(--c-ink);}
.deal-body h3 a{transition:color .18s var(--ease);}
.deal-body h3 a:hover{color:var(--c-primary);}
.deal-body p{
  font-size:14px;color:var(--c-muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.deal-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:2px;}
.deal-meta{font-size:12.5px;color:var(--c-weak);font-variant-numeric:tabular-nums;}

/* ============ 通用板块 ============ */
.section{padding:var(--space-y) 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--c-primary);}
.section-title{font-size:clamp(22px,2.6vw,30px);color:var(--c-deep);margin-top:10px;}
.section-desc{margin-top:12px;font-size:15px;color:var(--c-muted);max-width:660px;}

/* ============ 叠加规则 ============ */
.rules-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rule-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rule-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D3CCC0;}
.rule-card .idx{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--c-weak);font-variant-numeric:tabular-nums;}
.rule-card h3{font-size:17px;margin-top:12px;color:var(--c-deep);}
.rule-card p{margin-top:10px;font-size:14px;color:var(--c-muted);line-height:1.8;}
.rule-card .bar{width:36px;height:3px;border-radius:2px;background:var(--c-primary);margin-top:16px;}

/* ============ 数据条 ============ */
.kpi-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  border:1px solid var(--c-line);border-radius:var(--radius-card);background:#fff;overflow:hidden;
}
.kpi{padding:26px 24px;border-right:1px solid var(--c-line);}
.kpi:last-child{border-right:0;}
.kpi b{display:block;font-size:clamp(26px,3vw,34px);line-height:1.1;color:var(--c-deep);font-variant-numeric:tabular-nums;letter-spacing:-.03em;}
.kpi span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);position:relative;}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:15.5px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;transition:color .18s var(--ease),padding-left .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item summary .plus{
  flex:none;width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-weak);transition:transform .22s var(--ease),color .22s var(--ease);
}
.faq-item[open] summary{color:var(--c-deep);padding-left:14px;}
.faq-item[open] summary .plus{transform:rotate(45deg);color:var(--c-primary);}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-item .ans{padding:0 0 22px 14px;font-size:14px;color:var(--c-muted);line-height:1.78;max-width:840px;}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:var(--space-y);
  background:var(--c-mint);border-radius:var(--radius-card);
  padding:40px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:var(--c-deep);}
.cta-band p{margin-top:8px;font-size:14.5px;color:#33544B;max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:#E9E6DE;margin-top:64px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo svg{color:#5FC3A9;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:#9BA8A3;max-width:320px;}
.footer-tel{margin-top:16px;font-size:18px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14px;color:#9BA8A3;transition:color .18s var(--ease);}
.footer-links a:hover{color:#5FC3A9;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.10);
  font-size:12.5px;color:#9BA8A3;font-variant-numeric:tabular-nums;
}

/* ============ 动效 ============ */
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .cmd-search{width:200px;}
}
@media (max-width:1024px){
  :root{--space-y:72px;}
  .nav-links{display:none;}
  .cmd-search{display:none;}
  .nav-login{display:none;}
  .menu-btn{display:inline-flex;}
  .nav-right{gap:10px;}
  .deal-layout{grid-template-columns:1fr;gap:32px;padding-top:40px;}
  .side-nav{position:static;}
  .feature{grid-template-columns:240px minmax(0,1fr);}
  .rules-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kpi-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .kpi:nth-child(2){border-right:0;}
  .kpi:nth-child(1),.kpi:nth-child(2){border-bottom:1px solid var(--c-line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--space-y:56px;}
  .container{padding:0 20px;}
  .head-grid{grid-template-columns:1fr;gap:22px;align-items:start;padding-bottom:32px;}
  .head-actions{width:100%;}
  .head-actions .btn{flex:1 1 auto;}
  .promo-band{padding:18px 18px;}
  .countdown{width:100%;justify-content:space-between;}
  .cd-cell{flex:1 1 0;min-width:0;}
  .feature{grid-template-columns:1fr;}
  .feature-media{aspect-ratio:16/9;}
  .feature-body{padding:22px 20px;}
  .rules-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:48px;}
}
@media (max-width:520px){
  .deal{grid-template-columns:1fr;gap:14px;padding-left:14px;}
  .date-box{width:auto;height:auto;flex-direction:row;gap:6px;justify-content:flex-start;padding:6px 12px;border-radius:8px;}
  .date-box .d{font-size:17px;}
  .date-box .m{font-size:11px;}
  .kpi-strip{grid-template-columns:1fr;}
  .kpi{border-right:0;border-bottom:1px solid var(--c-line);}
  .kpi:last-child{border-bottom:0;}
  .kpi:nth-child(2){border-right:0;}
  .head-tags .badge{font-size:11.5px;}
  .breadcrumb .cur{max-width:100%;}
}