/* roulang page: index */
:root{
  --brand:#12A594;
  --brand-deep:#0A6E63;
  --brand-light:#E6F6F2;
  --coral:#FF7A45;
  --coral-light:#FFEDE5;
  --gold:#F2B23B;
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --line:#E5EBE6;
  --dark:#0B2A2A;
  --text:#10201E;
  --text-2:#4B5F5B;
  --text-3:#8A9A95;
  --grad-brand:linear-gradient(115deg,#0A6E63 0%,#12A594 55%,#4FCFAF 100%);
  --grad-warm:linear-gradient(115deg,#FFB25C 0%,#FF7A45 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --sh-3:0 4px 16px rgba(10,60,54,.06);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.3;letter-spacing:.01em}
:focus-visible{outline:3px solid rgba(18,165,148,.32);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head__text{max-width:660px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-light);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
h2{font-size:30px}
h3{font-size:22px}
.section-head h2{margin-bottom:8px}
.section-head p{color:var(--text-2);font-size:15px}
.muted{color:var(--text-2)}
.tiny{font-size:13px;color:var(--text-3)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,filter .2s ease-out;
  white-space:nowrap;
}
.btn svg{flex:0 0 auto}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(10,110,99,.22)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(10,110,99,.28)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(10,110,99,.24)}
.btn--outline{background:#fff;color:var(--brand-deep);border:1px solid var(--brand)}
.btn--outline:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn--warm{background:var(--grad-warm);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.24)}
.btn--warm:hover{filter:brightness(1.05);transform:translateY(-2px)}
.btn--ghost{height:auto;padding:4px 0;color:var(--brand-deep);font-weight:600}
.btn--ghost svg{transition:transform .2s ease-out}
.btn--ghost:hover svg{transform:translateX(4px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--brand-light);color:var(--brand-deep);
}
.badge--warm{background:var(--grad-warm);color:#fff}
.badge--gold{background:#FDF3DE;color:#9A6A10}
.badge--dark{background:rgba(255,255,255,.14);color:#D9F2EC}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:var(--brand-light);color:var(--brand-deep);
}
.chip--coral{background:var(--coral-light);color:#C5471E}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-3)}
.nav-top{
  display:flex;align-items:center;gap:28px;height:76px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;box-shadow:0 6px 16px rgba(10,110,99,.24);
}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text)}
.logo__text em{font-style:normal;color:var(--brand-deep)}
.searchbar{
  flex:1 1 auto;max-width:560px;position:relative;display:flex;align-items:center;
  height:48px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--bg);padding:0 6px 0 16px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.searchbar:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,165,148,.28)}
.searchbar svg{color:var(--text-3);flex:0 0 auto}
.searchbar input{
  flex:1 1 auto;border:none;background:transparent;height:100%;
  padding:0 12px;font-size:15px;outline:none;
}
.searchbar input::placeholder{color:var(--text-3)}
.searchbar button{
  height:38px;padding:0 20px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.nav-actions .link{font-size:15px;font-weight:500;color:var(--text-2)}
.nav-actions .link:hover{color:var(--brand-deep)}
.nav-cats{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding:0 0 14px;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text-2);
  border:1px solid transparent;white-space:nowrap;transition:all .2s ease-out;
}
.nav-cats a:hover{background:var(--brand-light);color:var(--brand-deep)}
.nav-cats a.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  align-items:center;justify-content:center;border:1px solid var(--line);
}
.nav-mobile-search{display:none}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,42,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease-out,visibility .25s ease-out;z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;
  background:#fff;z-index:210;transform:translateX(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer__close{width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);display:grid;place-items:center}
.drawer nav{display:grid;gap:6px;margin:22px 0}
.drawer nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--text-2)}
.drawer nav a:hover,.drawer nav a.is-active{background:var(--brand-light);color:var(--brand-deep)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
.hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,165,148,.16),rgba(18,165,148,0) 68%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:80px;
  background:repeating-linear-gradient(90deg,rgba(18,165,148,.06) 0 1px,transparent 1px 26px);
  opacity:.7;pointer-events:none;
}
.hero__inner{
  position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;
  gap:56px;align-items:center;min-height:560px;padding:64px 0 72px;
}
.hero h1{font-size:46px;line-height:1.24;margin:18px 0 20px}
.hero h1 span{color:var(--brand-deep)}
.hero__lead{font-size:17px;color:var(--text-2);max-width:560px;line-height:1.85}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px}
.hero__stats{display:flex;flex-wrap:wrap;gap:36px;padding-top:26px;border-top:1px dashed var(--line)}
.stat__num{font-size:26px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--brand-deep)}
.stat__num small{font-size:13px;font-weight:600;margin-left:2px;color:var(--text-2)}
.stat__label{font-size:12.5px;color:var(--text-3)}
.hero__media{position:relative}
.hero__media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);border:6px solid #fff;box-shadow:var(--sh-2);
}
.float-badge{
  position:absolute;background:#fff;border-radius:var(--r-md);padding:12px 16px;
  box-shadow:var(--sh-1);border:1px solid var(--line);display:flex;align-items:center;gap:10px;
}
.float-badge--a{left:-18px;bottom:56px;transform:rotate(-1.5deg)}
.float-badge--b{right:-12px;top:32px;transform:rotate(1.5deg)}
.float-badge__icon{width:34px;height:34px;border-radius:10px;background:var(--brand-light);display:grid;place-items:center;color:var(--brand-deep)}
.float-badge__t{font-size:13px;font-weight:600;line-height:1.35}
.float-badge__s{font-size:12px;color:var(--text-3)}

/* ---------- 等级亮点 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start}
.tier-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.tier-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-brand);opacity:.9}
.tier-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.tier-card--lift{margin-top:-24px}
.tier-card--feature{border-color:rgba(18,165,148,.45);box-shadow:0 18px 44px rgba(10,60,54,.12)}
.tier-card--feature::before{background:var(--grad-warm)}
.tier-card h3{font-size:21px;margin:14px 0 6px}
.tier-card__price{font-size:15px;color:var(--text-2);margin-bottom:20px}
.tier-list{display:grid;gap:12px;margin-bottom:26px}
.tier-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.6}
.tier-list svg{flex:0 0 auto;margin-top:5px;color:var(--brand)}
.tier-card__corner{
  position:absolute;right:-2px;top:18px;background:var(--grad-warm);color:#fff;
  font-size:12px;font-weight:600;padding:5px 14px;border-radius:var(--r-pill) 0 0 var(--r-pill);
}

/* ---------- 权益对比表 ---------- */
.compare-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.compare-scroll{overflow-x:auto}
table.compare{border-collapse:collapse;width:100%;min-width:820px}
table.compare th,table.compare td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14.5px}
table.compare thead th{background:var(--brand-light);font-size:15px;font-weight:700;color:var(--brand-deep)}
table.compare thead th:first-child{background:#EFF7F4}
table.compare tbody th{font-weight:500;color:var(--text);background:#FBFCFB;width:220px}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:#F3FAF8}
table.compare td{color:var(--text-2);font-variant-numeric:tabular-nums}
.col-feature{position:relative}
.col-feature::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.check{color:var(--brand);display:inline-flex}
.dash{color:var(--text-3)}
.recommend{
  display:inline-block;margin-left:8px;background:var(--grad-warm);color:#fff;
  font-size:11.5px;font-weight:600;padding:2px 9px;border-radius:var(--r-pill);vertical-align:middle;
}

/* ---------- 专属内容预览 ---------- */
.preview-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:22px}
.preview-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--dark);
  box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.preview-card img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.preview-card:hover img{transform:scale(1.03)}
.preview-card--lg{grid-row:span 2;min-height:420px}
.preview-card--sm{min-height:199px}
.preview-card__body{
  position:absolute;inset:auto 0 0 0;padding:22px 20px;
  background:linear-gradient(180deg,rgba(11,42,42,0) 0%,rgba(11,42,42,.86) 72%);
  color:#fff;
}
.preview-card__body h3{font-size:18px;margin-bottom:6px}
.preview-card__body p{font-size:13.5px;color:rgba(255,255,255,.78);line-height:1.6}
.preview-tag{position:absolute;top:14px;right:14px;background:var(--grad-warm);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--r-pill)}
.lock{
  position:absolute;inset:0;background:rgba(11,42,42,.42);backdrop-filter:blur(1.5px);
  display:grid;place-items:center;color:#fff;
}
.lock__icon{width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.18);display:grid;place-items:center;border:1px solid rgba(255,255,255,.35)}
.preview-strip{
  grid-column:1 / -1;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-md);
  padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E6F6F2,#CFEBE4)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.news-card:hover .news-card__media img{transform:scale(1.03)}
.news-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-card__title{
  font-size:17.5px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__excerpt{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px;border-top:1px dashed var(--line)}
.empty-state{
  padding:64px 24px;text-align:center;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--card);
}
.empty-state__icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--brand-light);display:grid;place-items:center;color:var(--brand-deep)}
.empty-state p{color:var(--text-2);margin-bottom:16px}

/* ---------- 体验评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;
}
.quote-card::after{content:"”";position:absolute;right:22px;top:6px;font-size:56px;color:var(--brand-light);font-family:Georgia,serif}
.quote-card p{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:18px}
.quote-user{display:flex;align-items:center;gap:12px}
.quote-avatar{width:42px;height:42px;border-radius:50%;background:var(--brand-light);display:grid;place-items:center;color:var(--brand-deep);font-weight:700}
.quote-name{font-size:14.5px;font-weight:600}
.quote-meta{font-size:12.5px;color:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-cols{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  padding:0 22px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:background-color .2s ease-out,border-color .2s ease-out;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .25s ease-out;
}
.faq-item.is-open{background:var(--brand-light);border-color:rgba(18,165,148,.4)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;min-height:52px;padding:20px 0;text-align:left;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q__icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--brand-deep);
  transition:transform .25s ease-out,background-color .25s ease-out;
}
.faq-item.is-open .faq-q__icon{transform:rotate(180deg);background:var(--brand);color:#fff;border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a p{padding:0 0 22px;font-size:14.5px;color:var(--text-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;overflow:hidden;
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  border:1px solid rgba(79,207,175,.28);
}
.cta-band::before{
  content:"";position:absolute;top:-120px;right:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,207,175,.22),rgba(79,207,175,0) 70%);
}
.cta-band__copy{position:relative;z-index:2}
.cta-band h2{font-size:30px;margin-bottom:12px}
.cta-band__copy p{color:rgba(255,255,255,.74);font-size:15.5px;max-width:440px}
.cta-form{position:relative;z-index:2;display:grid;gap:16px}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.78);margin-bottom:7px}
.field input{
  width:100%;height:48px;border-radius:var(--r-sm);padding:0 16px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.3)}
.field--code{display:grid;grid-template-columns:1fr 132px;gap:12px;align-items:end}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.66)}
.agree input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.agree a{color:#7FE0CB;border-bottom:1px solid rgba(127,224,203,.45)}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5)}
.form-alert{
  display:none;font-size:13px;color:#FFC7AE;border:1px solid rgba(255,122,69,.5);
  background:rgba(255,122,69,.12);border-radius:var(--r-sm);padding:10px 14px;
}
.form-alert.is-show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C9DAD6;margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.site-footer p{font-size:13.5px;line-height:1.8;color:rgba(201,218,214,.82)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo__mark{width:36px;height:36px;border-radius:11px;background:var(--grad-brand);display:grid;place-items:center;color:#fff}
.footer-logo__text{font-size:17px;font-weight:700;color:#fff}
.footer-links{display:grid;gap:12px}
.footer-links a{font-size:13.5px;color:rgba(201,218,214,.82);transition:color .2s ease-out,padding-left .2s ease-out}
.footer-links a:hover{color:#7FE0CB;padding-left:4px}
.footer-sub{display:grid;gap:12px}
.footer-sub input{
  height:44px;border-radius:var(--r-sm);padding:0 14px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);color:#fff;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.4)}
.footer-sub input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.28)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(201,218,214,.6);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom nav a:hover{color:#7FE0CB}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  :root{--container:1280px}
}
@media (max-width:1199px){
  .hero h1{font-size:40px}
  .hero__inner{gap:40px}
  .preview-grid{grid-template-columns:1.3fr 1fr}
  .preview-card--lg{grid-row:span 1}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-cats{padding-bottom:10px}
  .hero__inner{grid-template-columns:1fr;min-height:0;padding:44px 0 56px}
  .hero__media{order:-1}
  .hero h1{font-size:34px}
  .tier-grid{grid-template-columns:1fr;gap:20px}
  .tier-card--lift{margin-top:0}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr 1fr}
  .faq-cols{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .preview-grid{grid-template-columns:1fr 1fr}
  .preview-card--lg{grid-column:1 / -1;min-height:280px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .nav-top{height:auto;flex-wrap:wrap;gap:12px;padding-top:12px;padding-bottom:8px}
  .logger,.logo{flex:1 1 auto}
  .nav-actions{display:none}
  .nav-toggle{display:flex}
  .nav-top .searchbar{display:none}
  .nav-mobile-search{
    display:block;padding:0 0 12px;
  }
  .nav-mobile-search .searchbar{max-width:none;height:44px}
  .nav-cats{gap:8px}
  h2{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .hero h1{font-size:31px}
  .hero__lead{font-size:15.5px}
  .hero__actions{gap:10px}
  .hero__actions .btn{flex:1 1 auto}
  .hero__stats{gap:22px}
  .float-badge{display:none}
  .news-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .preview-grid{grid-template-columns:1fr}
  .preview-card--sm{min-height:220px}
  .cta-band{padding:32px 20px;border-radius:var(--r-md)}
  .cta-band h2{font-size:24px}
  .field--code{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:64px;padding-top:48px}
  .drawer{width:88%}
  .site-header{position:sticky}
}
@media (max-width:520px){
  .hero h1{font-size:28px}
  .section{padding:52px 0}
  .tier-card,.quote-card{padding:22px 18px}
  .btn{width:100%}
  .btn--sm{width:auto}
  .section-head .btn--sm{width:auto}
}

/* roulang page: article */
:root{
  --brand:#12A594;
  --brand-deep:#0A6E63;
  --brand-soft:#E6F6F2;
  --brand-mid:#4FCFAF;
  --coral:#FF7A45;
  --coral-soft:#FFEDE5;
  --gold:#F2B23B;
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --line:#E5EBE6;
  --dark:#0B2A2A;
  --text:#10201E;
  --text2:#4B5F5B;
  --text3:#8A9A95;
  --grad-brand:linear-gradient(115deg,#0A6E63 0%,#12A594 55%,#4FCFAF 100%);
  --grad-warm:linear-gradient(115deg,#FFB25C 0%,#FF7A45 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --sh-nav:0 4px 16px rgba(10,60,54,.06);
  --sec:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(18,165,148,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media(min-width:1440px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .24s ease,background-color .2s ease,color .2s ease,filter .2s ease,border-color .2s ease;
  white-space:nowrap;border:1px solid transparent;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(10,110,99,.22);}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(10,110,99,.28);}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(10,110,99,.24);}
.btn--ghost{border-color:var(--brand);color:var(--brand-deep);background:#fff;}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(1px);}
.btn--warm{background:var(--grad-warm);color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.24);}
.btn--warm:hover{filter:brightness(1.05);transform:translateY(-2px);}
.btn--plain{color:var(--brand-deep);padding:0 6px;height:auto;font-weight:600;}
.btn--plain svg{transition:transform .2s ease;}
.btn--plain:hover svg{transform:translateX(4px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-main{border-bottom:1px solid var(--line);}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 16px rgba(10,110,99,.24);
}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text);}
.search{
  position:relative;flex:1 1 auto;max-width:560px;display:flex;align-items:center;
  height:48px;background:#F2F6F3;border:1px solid var(--line);border-radius:var(--r-pill);
  padding-left:16px;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,165,148,.18);}
.search__icon{color:var(--text3);flex:0 0 auto;}
.search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:none;outline:none;
  padding:0 12px;font-size:15px;color:var(--text);
}
.search input::placeholder{color:var(--text3);}
.search__btn{
  height:38px;margin-right:5px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;transition:filter .2s ease,transform .15s ease;
}
.search__btn:hover{filter:brightness(1.06);}
.search__btn:active{transform:translateY(1px);}
.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;margin-left:auto;}
.link-member{font-size:15px;font-weight:500;color:var(--text2);padding:8px 2px;}
.link-member:hover{color:var(--brand-deep);}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--text);background:#fff;
}
.hamburger:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}
.nav-cats{
  display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;
  padding:10px 24px;max-width:1200px;margin:0 auto;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-cats a{
  flex:0 0 auto;height:34px;display:inline-flex;align-items:center;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:500;color:var(--text2);
  border:1px solid transparent;transition:all .2s ease;
}
.nav-cats a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-cats a.is-active{background:var(--grad-brand);color:#fff;box-shadow:0 6px 14px rgba(10,110,99,.2);}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,42,.45);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:200;}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;background:#fff;z-index:210;
  transform:translateX(102%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  padding:20px 20px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer__title{font-size:16px;font-weight:700;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--text2);}
.drawer__close:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer .search{max-width:none;height:44px;margin-bottom:20px;}
.drawer__group{margin-bottom:24px;}
.drawer__group h4{font-size:13px;color:var(--text3);font-weight:600;letter-spacing:.08em;margin-bottom:10px;}
.drawer__links{display:flex;flex-direction:column;}
.drawer__links a{padding:13px 12px;border-radius:12px;font-size:15px;color:var(--text2);}
.drawer__links a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer__links a.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.drawer .btn{margin-top:4px;}

/* ---------- 文章头 ---------- */
.crumb{padding:26px 0 0;font-size:13px;color:var(--text3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb a{color:var(--text3);}
.crumb a:hover{color:var(--brand-deep);}
.crumb .sep{color:#C6D2CD;}
.crumb .now{color:var(--text2);}
.article-hero{background:#fff;border-bottom:1px solid var(--line);padding-bottom:34px;}
.article-head{padding-top:22px;max-width:820px;}
.article-head h1{font-size:40px;line-height:1.32;font-weight:700;letter-spacing:-.01em;color:var(--text);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:13px;color:var(--text3);}
.pill-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CBD6D1;}
.meta-item{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 布局 ---------- */
.article-section{padding:52px 0 0;}
.article-layout{display:block;}
.article-side{display:none;}
@media(min-width:1200px){
  .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 248px;gap:64px;align-items:start;}
  .article-side{display:block;position:sticky;top:150px;}
  body.no-toc .article-layout{grid-template-columns:minmax(0,1fr);}
  body.no-toc .article-side{display:none;}
}
.article-body{max-width:780px;}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);padding:40px 42px;
}
@media(max-width:768px){.article-card{padding:26px 20px;border-radius:var(--r-lg);}}

/* ---------- 正文排版 ---------- */
.article-content{font-size:17px;line-height:1.9;color:#22322F;word-break:break-word;}
.article-content>*:first-child{margin-top:0;}
.article-content p{margin:0 0 1.25em;}
.article-content h2{
  position:relative;font-size:22px;line-height:1.5;font-weight:700;color:var(--text);
  margin:48px 0 18px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:3px;background:var(--grad-brand);
}
.article-content h3{font-size:18px;font-weight:700;color:var(--text);margin:32px 0 12px;}
.article-content h4{font-size:16px;font-weight:700;color:var(--text);margin:24px 0 10px;}
.article-content blockquote{
  margin:24px 0;padding:20px 22px;background:var(--brand-soft);color:var(--text2);
  border-left:4px solid var(--brand);border-radius:0 16px 16px 0;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content ul{margin:0 0 1.25em;padding-left:4px;}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:8px;}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);
}
.article-content ol{margin:0 0 1.25em;padding-left:24px;list-style:decimal;}
.article-content ol li{margin-bottom:8px;}
.article-content ol li::marker{color:var(--brand-deep);font-weight:600;}
.article-content a{color:var(--brand-deep);text-decoration:underline;text-underline-offset:3px;}
.article-content a:hover{color:var(--brand);}
.article-content img{margin:26px auto;border-radius:16px;box-shadow:var(--sh-1);}
.article-content figure{margin:26px 0;}
.article-content figcaption{font-size:13px;color:var(--text3);text-align:center;margin-top:10px;}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;}
.article-content th,.article-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;}
.article-content th{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.article-content tr:hover td{background:#FAFCFB;}
.article-content hr{border:0;border-top:1px dashed var(--line);margin:36px 0;}
.article-content code{background:#EEF4F1;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-deep);}

/* ---------- 侧栏目录 ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.toc{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto;}
.toc a{
  display:block;font-size:13.5px;line-height:1.6;color:var(--text2);
  padding:8px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all .2s ease;
}
.toc a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.toc a.is-current{border-left-color:var(--brand);background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;padding:64px 20px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:#FBFDFC;
}
.empty-state__icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);
}
.empty-state h2{font-size:20px;font-weight:700;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--text2);margin-bottom:22px;}

/* ---------- 文末 ---------- */
.article-foot{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:#F1F6F3;border:1px solid var(--line);color:var(--text2);font-size:13px;
}
.tag:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-deep);}
.back-row{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 相关推荐 ---------- */
.related{padding:var(--sec) 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;}
.sec-head h2{font-size:28px;font-weight:700;letter-spacing:-.01em;}
.sec-head p{font-size:15px;color:var(--text2);margin-top:8px;}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6E5DF;}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card:hover .card__media img{transform:scale(1.03);}
.card__badge{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand-deep);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;backdrop-filter:blur(4px);
}
.card__body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__body h3{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__body p{font-size:14px;color:var(--text2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text3);}
.card__meta a{color:var(--brand-deep);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card__meta a svg{transition:transform .2s ease;}
.card__meta a:hover svg{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-block{margin-top:var(--sec);}
.cta-inner{
  position:relative;overflow:hidden;background:var(--dark);border-radius:28px;
  padding:56px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  border:1px solid rgba(79,207,175,.24);
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,207,175,.34) 0%,rgba(79,207,175,0) 70%);
}
.cta-text{position:relative;z-index:1;}
.cta-text h2{font-size:30px;line-height:1.4;font-weight:700;color:#fff;}
.cta-text p{margin-top:14px;font-size:15px;line-height:1.8;color:#AFCCC6;max-width:420px;}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);padding:26px;}
.cta-form .field{margin-bottom:16px;}
.cta-form label{display:block;font-size:13px;color:#AFCCC6;margin-bottom:8px;}
.cta-form input[type=tel],.cta-form input[type=text]{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.cta-form input::placeholder{color:#7FA49D;}
.cta-form input:focus{border-color:var(--brand-mid);box-shadow:0 0 0 3px rgba(79,207,175,.22);}
.cta-form .agree{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#AFCCC6;margin-bottom:18px;line-height:1.6;}
.cta-form .agree input{width:18px;height:18px;accent-color:var(--brand);margin-top:3px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec);background:var(--dark);color:#C6DAD5;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.site-footer p{font-size:14px;line-height:1.85;color:#9FBAB4;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-logo__mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
}
.footer-logo__text{font-size:17px;font-weight:700;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:#9FBAB4;}
.footer-links a:hover{color:var(--brand-mid);}
.footer-sub{display:flex;flex-direction:column;gap:10px;}
.footer-sub input{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.07);color:#fff;padding:0 14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub input::placeholder{color:#7FA49D;}
.footer-sub input:focus{border-color:var(--brand-mid);box-shadow:0 0 0 3px rgba(79,207,175,.2);}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13px;color:#7FA49D;
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom nav a{color:#7FA49D;}
.footer-bottom nav a:hover{color:var(--brand-mid);}

/* ---------- 响应式 ---------- */
@media(max-width:1199px){
  .cards{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:991px){
  :root{--sec:64px;}
  .header-actions .link-member{display:none;}
  .article-head h1{font-size:32px;}
  .cta-inner{grid-template-columns:1fr;padding:40px;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .hamburger{display:flex;}
  .header-inner{height:64px;gap:12px;}
  .header-actions{display:none;}
  .search{display:none;}
  .mobile-search{display:block;padding:0 16px 12px;}
  .mobile-search .search{display:flex;max-width:none;height:44px;}
  .nav-cats{padding:8px 16px 12px;}
  .logo__text{font-size:16px;}
  .article-head h1{font-size:30px;}
  .cards{grid-template-columns:1fr;}
  .cta-inner{padding:28px 22px;border-radius:22px;}
  .cta-text h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sec-head{flex-direction:column;align-items:flex-start;}
  .sec-head h2{font-size:23px;}
}
@media(min-width:768px){
  .mobile-search{display:none;}
}
@media(max-width:575px){
  .article-card{padding:22px 16px;}
  .article-content{font-size:16px;}
  .article-content h2{font-size:20px;margin-top:36px;}
  .back-row .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12A594;
  --c-primary-dark:#0A6E63;
  --c-primary-soft:#E6F6F2;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFEDE5;
  --c-gold:#F2B23B;
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --line:#E5EBE6;
  --ink:#10201E;
  --ink-2:#4B5F5B;
  --ink-3:#8A9A95;
  --dark:#0B2A2A;
  --grad-brand:linear-gradient(115deg,#0A6E63,#12A594 55%,#4FCFAF);
  --grad-warm:linear-gradient(115deg,#FFB25C,#FF7A45);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --sect:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(18,165,148,.4);outline-offset:2px;border-radius:6px}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){ .container{max-width:1280px} }
@media (max-width:991px){ .container{padding:0 20px} }
@media (max-width:575px){ .container{padding:0 16px} }

/* ---------- 通用元素 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;font-weight:700;
  color:var(--c-primary-dark);text-transform:uppercase;
}
.eyebrow::before{
  content:"";width:22px;height:2px;background:var(--c-gold);display:block;border-radius:2px;
}
.section{padding:var(--sect) 0}
.section--tight{padding:56px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  flex-wrap:wrap;margin-bottom:36px;
}
.section-head h2{font-size:30px;margin-top:12px}
.section-note{font-size:14px;color:var(--ink-2);max-width:420px}
.section--dark{background:var(--dark);color:#E4F2EE}
.section--dark h2{color:#fff}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(10,110,99,.24)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(10,110,99,.3)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:var(--c-primary-dark);border:1px solid var(--c-primary);font-weight:600}
.btn--ghost:hover{background:var(--c-primary-soft)}
.btn--warm{background:var(--grad-warm);color:#fff;box-shadow:0 8px 20px rgba(255,122,69,.24)}
.btn--warm:hover{filter:brightness(1.05);transform:translateY(-2px)}
.btn--line{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.34)}
.btn--line:hover{background:rgba(255,255,255,.16)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary-dark);font-weight:600;font-size:14px;
}
.text-link svg{transition:transform .2s ease}
.text-link:hover svg{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--c-primary-soft);color:var(--c-primary-dark);
}
.badge--warm{background:var(--grad-warm);color:#fff}
.badge--gold{background:rgba(242,178,59,.16);color:#8A6212}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header::before{
  content:"";display:block;height:3px;background:var(--grad-brand);
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(10,60,54,.06)}
.header-top{display:flex;align-items:center;gap:24px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(10,110,99,.24);
}
.logo__text{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink)}
.search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;height:48px;
  padding:4px 4px 4px 46px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.28)}
.search__icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);color:var(--ink-3)}
.search__input{
  flex:1 1 auto;min-width:0;height:100%;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--ink);
}
.search__input::placeholder{color:var(--ink-3)}
.search__btn{
  height:40px;padding:0 20px;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  transition:filter .2s ease,transform .2s ease;
}
.search__btn:hover{filter:brightness(1.06)}
.search__btn:active{transform:translateY(1px)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{font-size:14.5px;color:var(--ink-2);font-weight:500;transition:color .2s ease}
.link-quiet:hover{color:var(--c-primary-dark)}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);
}
.header-cats{border-top:1px dashed var(--line)}
.nav-cats{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:999px;font-size:14px;color:var(--ink-2);
  white-space:nowrap;transition:background-color .2s ease,color .2s ease;
}
.nav-cats a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.nav-cats a.is-active{background:var(--c-primary);color:#fff;font-weight:600}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,42,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease;z-index:120;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:130;
  width:84%;max-width:360px;height:100%;
  background:#fff;box-shadow:-12px 0 40px rgba(10,60,54,.18);
  transform:translateX(102%);transition:transform .28s ease;
  padding:20px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink);
}
.drawer__search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 14px;
  border:1px solid var(--line);border-radius:12px;margin-bottom:20px;
}
.drawer__search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;min-width:0}
.drawer__group-title{font-size:12px;letter-spacing:.14em;color:var(--ink-3);font-weight:700;margin:0 0 10px}
.drawer__links{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.drawer__links a{
  display:flex;align-items:center;height:46px;padding:0 14px;border-radius:12px;
  font-size:15px;color:var(--ink-2);border:1px solid transparent;
}
.drawer__links a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.drawer__links a.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;border-color:rgba(18,165,148,.3)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark)}
.page-hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,42,42,.9),rgba(10,110,99,.7) 58%,rgba(11,42,42,.4));
}
.page-hero__inner{position:relative;z-index:2;padding-top:44px;padding-bottom:56px;color:#fff}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:#A9CFC8;margin-bottom:26px;flex-wrap:wrap}
.crumbs a{color:#CFE9E3}
.crumbs a:hover{color:#fff}
.crumbs span[aria-current]{color:#fff}
.page-hero .eyebrow{color:#9CE2D5}
.page-hero h1{font-size:48px;margin:14px 0 0;max-width:760px;letter-spacing:.4px}
.hero-rule{width:66px;height:9px;border-top:2px solid var(--c-gold);border-bottom:2px solid rgba(242,178,59,.45);margin:20px 0 0}
.page-hero .lead{font-size:17px;color:#DFF3EE;max-width:600px;margin-top:18px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:16px;padding:12px 18px;
}
.stat__num{font-size:22px;font-weight:600;line-height:1.25;color:#fff;font-variant-numeric:tabular-nums}
.stat__num small{font-size:13px;font-weight:500;margin-left:3px;color:#BFEDE4}
.stat__label{font-size:12px;color:#A9CFC8;margin-top:2px}

/* ---------- 筛选 ---------- */
.chipbar{
  display:flex;gap:10px;overflow-x:auto;padding:2px 2px 14px;
  scrollbar-width:none;margin-bottom:8px;
}
.chipbar::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:rgba(18,165,148,.5);color:var(--c-primary-dark);transform:translateY(-1px)}
.chip.is-active{background:var(--grad-brand);border-color:transparent;color:#fff;font-weight:600}

.filter-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.filter-side{position:sticky;top:148px}
.filter-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-1);
}
.filter-card h3{font-size:16px;margin-bottom:6px}
.filter-group{padding:16px 0;border-bottom:1px dashed var(--line)}
.filter-group:last-child{border-bottom:0;padding-bottom:0}
.filter-group:first-of-type{padding-top:8px}
.filter-group__title{font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:10px;letter-spacing:.04em}
.filter-opts{display:flex;flex-wrap:wrap;gap:8px}
.filter-opt{
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .2s ease;background:#fff;
}
.filter-opt:hover{border-color:rgba(18,165,148,.5);color:var(--c-primary-dark)}
.filter-opt.is-active{background:var(--c-primary-soft);border-color:rgba(18,165,148,.45);color:var(--c-primary-dark);font-weight:600}
.filter-toggle{display:none;width:100%;margin-bottom:16px}

.route-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.route-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.route-card[hidden]{display:none !important}
.route-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.route-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-primary-soft)}
.route-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.route-card:hover .route-card__media img{transform:scale(1.03)}
.route-card__media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--c-primary-dark);backdrop-filter:blur(4px)}
.route-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:14px;flex:1}
.route-card__body h3{font-size:20px;line-height:1.4}
.route-card__body p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.route-tags{display:flex;flex-wrap:wrap;gap:8px}
.route-metrics{
  display:flex;gap:24px;flex-wrap:wrap;
  padding-top:16px;border-top:1px dashed var(--line);
}
.metric{display:flex;flex-direction:column}
.metric__num{font-size:18px;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.3}
.metric__num small{font-size:12.5px;font-weight:500;color:var(--ink-2);margin-left:2px}
.metric__label{font-size:12px;color:var(--ink-3)}
.route-card__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:4px}

.empty-state{
  padding:60px 24px;text-align:center;background:#fff;
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state[hidden]{display:none}
.empty-state svg{color:var(--ink-3);margin:0 auto 14px}
.empty-state p{color:var(--ink-2);margin-bottom:18px}
.result-count{font-size:13px;color:var(--ink-3);margin-bottom:14px}

/* ---------- 场景分区 ---------- */
.scene-strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(248px,1fr);
  gap:20px;overflow-x:auto;padding:6px 6px 20px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.scene-card{
  scroll-snap-align:start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);position:relative;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(18,165,148,.35)}
.scene-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:var(--grad-warm);opacity:.9;
}
.scene-card__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary-dark);margin-bottom:16px;
}
.scene-card h3{font-size:18px;margin-bottom:8px}
.scene-card p{font-size:14px;color:var(--ink-2)}
.scene-card__meta{margin-top:16px;font-size:12.5px;color:var(--ink-3)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 22px;box-shadow:var(--sh-1);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-gold);
  display:block;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-2)}

/* ---------- 评价 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;
}
.voice__text{font-size:15px;color:var(--ink-2);line-height:1.8}
.voice__who{display:flex;align-items:center;gap:12px;margin-top:auto}
.voice__avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:700;font-size:15px;
}
.voice__name{font-size:14px;font-weight:600}
.voice__role{font-size:12.5px;color:var(--ink-3)}
.voice__stars{color:var(--c-gold);letter-spacing:2px;font-size:13px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;align-items:start}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:background-color .2s ease,border-color .2s ease;
}
.faq-item.is-open{background:var(--c-primary-soft);border-color:rgba(18,165,148,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
  min-height:48px;
}
.faq-q:hover{color:var(--c-primary-dark)}
.faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--c-primary-dark);
  transition:transform .24s ease,background-color .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);border-left:3px solid transparent}
.faq-item.is-open .faq-a p{border-left-color:var(--c-primary)}

/* ---------- CTA ---------- */
.cta{
  background:var(--dark);color:#E4F2EE;border-radius:0;
  border-top:1px solid rgba(79,207,175,.25);border-bottom:1px solid rgba(79,207,175,.25);
}
.cta__inner{
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
  padding:72px 0;
}
.cta h2{font-size:30px;color:#fff}
.cta p{margin-top:14px;color:#B7D6CF;font-size:15.5px;max-width:440px}
.cta-bullets{margin-top:22px;display:flex;flex-direction:column;gap:10px}
.cta-bullets li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#CFE9E3}
.cta-bullets svg{color:var(--c-primary);flex:0 0 auto}
.cta-form{
  background:#fff;color:var(--ink);border-radius:var(--r-lg);
  padding:28px;box-shadow:0 20px 50px rgba(0,0,0,.25);
}
.cta-form h3{font-size:19px;margin-bottom:6px}
.cta-form > p{font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;font-weight:500}
.field input[type="tel"],.field input[type="text"]{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#fff;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;outline:none;
}
.field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.24)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1;min-width:0}
.code-btn{
  height:48px;padding:0 16px;border-radius:12px;border:1px solid var(--c-primary);
  color:var(--c-primary-dark);font-size:13.5px;font-weight:600;background:#fff;
  white-space:nowrap;transition:background-color .2s ease;
}
.code-btn:hover{background:var(--c-primary-soft)}
.code-btn:disabled{opacity:.55;cursor:not-allowed}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);margin:4px 0 18px}
.check-row input{
  width:18px;height:18px;flex:0 0 auto;margin-top:2px;accent-color:var(--c-primary);
}
.check-row a{color:var(--c-primary-dark);text-decoration:underline}
.form-tip{font-size:13px;color:var(--ink-3);margin-top:12px;min-height:20px}
.form-tip.is-ok{color:var(--c-primary-dark);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#A9C0BB;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.04em}
.site-footer p{font-size:14px;color:#A9C0BB;line-height:1.8}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-logo__mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;
}
.footer-logo__text{color:#fff;font-size:18px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A9C0BB;transition:color .2s ease}
.footer-links a:hover{color:#fff}
.footer-sub{display:flex;flex-direction:column;gap:10px}
.footer-sub input{
  height:46px;padding:0 14px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;font-size:14.5px;outline:none;
}
.footer-sub input::placeholder{color:#7E9A94}
.footer-sub input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.28)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8A9A95;
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:#8A9A95}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .route-grid{gap:20px}
  .section-head h2{font-size:27px}
}
@media (max-width:991px){
  :root{--sect:64px}
  .page-hero h1{font-size:38px}
  .page-hero__inner{padding-top:34px;padding-bottom:44px}
  .filter-layout{grid-template-columns:1fr}
  .filter-side{position:static;display:none}
  .filter-side.is-open{display:block;margin-bottom:20px}
  .filter-toggle{display:inline-flex}
  .steps{grid-template-columns:repeat(2,1fr)}
  .voice-grid{grid-template-columns:1fr}
  .faq-list{grid-template-columns:1fr}
  .cta__inner{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .header-actions .link-quiet{display:none}
}
@media (max-width:767px){
  .header-top{flex-wrap:wrap;height:auto;padding-top:12px;gap:12px}
  .burger{display:inline-flex;margin-left:auto}
  .header-actions{display:none}
  .search{order:3;flex:1 0 100%;max-width:none;height:44px;margin-bottom:10px}
  .search__btn{height:36px;padding:0 16px}
  .nav-cats{height:48px}
  .route-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:31px}
  .page-hero .lead{font-size:15.5px}
  .section-head{margin-bottom:26px}
  .section-head h2{font-size:24px}
  .route-card__body{padding:20px}
  .cta h2{font-size:24px}
}
@media (max-width:575px){
  .stat{padding:10px 14px}
  .stat__num{font-size:19px}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-form{padding:22px}
  .route-metrics{gap:18px}
}

/* roulang page: category2 */
:root{
  --brand:#12A594;
  --brand-dark:#0A6E63;
  --brand-light:#E6F6F2;
  --accent:#FF7A45;
  --accent-light:#FFEDE5;
  --gold:#F2B23B;
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --line:#E5EBE6;
  --ink-dark:#0B2A2A;
  --text:#10201E;
  --text-2:#4B5F5B;
  --text-3:#8A9A95;
  --grad-brand:linear-gradient(115deg,#0A6E63 0%,#12A594 55%,#4FCFAF 100%);
  --grad-warm:linear-gradient(115deg,#FFB25C 0%,#FF7A45 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --sec:88px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(18,165,148,.28);
  outline-offset:2px;
}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
@media (min-width:1440px){.container{max-width:1280px;}}

.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}
.section--paper{background:#FFFDF9;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{font-size:30px;font-weight:700;line-height:1.35;}
.sec-head p{font-size:15px;color:var(--text-2);margin-top:8px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s var(--ease);white-space:nowrap;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(10,110,99,.22);}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(1px);}
.btn--outline{border-color:var(--brand);color:var(--brand-dark);background:#fff;}
.btn--outline:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn--ghost{padding:0 4px;color:var(--brand-dark);font-weight:600;}
.btn--ghost svg{transition:transform .2s var(--ease);}
.btn--ghost:hover svg{transform:translateX(4px);}
.btn--sm{height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge--soft{background:var(--brand-light);color:var(--brand-dark);}
.badge--warm{background:var(--grad-warm);color:#fff;}
.badge--line{border:1px solid var(--line);color:var(--text-2);background:#fff;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 16px rgba(10,60,54,.08);}
.header-top{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;flex:none;
  box-shadow:0 6px 14px rgba(10,110,99,.22);
}
.logo__text{font-size:19px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}

.search{
  flex:1;max-width:560px;display:flex;align-items:center;gap:8px;
  height:48px;padding:0 6px 0 16px;border:1px solid var(--line);
  border-radius:var(--r-pill);background:#fff;transition:all .2s var(--ease);
}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.28);}
.search__icon{color:var(--text-3);flex:none;display:flex;}
.search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;
  outline:none;font-size:15px;color:var(--text);
}
.search input::placeholder{color:var(--text-3);}
.search__btn{
  flex:none;height:38px;padding:0 18px;border:0;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;cursor:pointer;transition:filter .2s var(--ease);
}
.search__btn:hover{filter:brightness(1.07);}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.link-quiet{font-size:14.5px;color:var(--text-2);transition:color .2s var(--ease);}
.link-quiet:hover{color:var(--brand-dark);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:var(--r-md);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;color:var(--text);
}
.nav-cats{display:flex;gap:8px;overflow-x:auto;padding-bottom:12px;scrollbar-width:none;}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-cats a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  white-space:nowrap;transition:all .2s var(--ease);
}
.nav-cats a:hover{background:var(--brand-light);color:var(--brand-dark);}
.nav-cats a.is-active{background:var(--brand);color:#fff;font-weight:600;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,42,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:200;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;
  background:#fff;z-index:210;transform:translateX(102%);
  transition:transform .3s var(--ease);padding:20px;overflow-y:auto;
  display:flex;flex-direction:column;gap:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer__close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;cursor:pointer;display:grid;place-items:center;
}
.drawer__nav{display:flex;flex-direction:column;gap:6px;}
.drawer__nav a{
  padding:13px 14px;border-radius:var(--r-md);font-size:15px;color:var(--text-2);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.drawer__nav a:hover{background:var(--brand-light);color:var(--brand-dark);}
.drawer__nav a.is-active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;border-color:#CDEBE5;}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:64px 0 72px;background:#fff;}
.page-hero::before{
  content:"";position:absolute;top:-140px;right:-120px;width:460px;height:460px;
  border-radius:50%;background:radial-gradient(circle,rgba(18,165,148,.14),rgba(18,165,148,0) 68%);
  pointer-events:none;opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,transparent,#CFE7E1 20%,#CFE7E1 80%,transparent);
  opacity:.9;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;}
.hero-copy h1{font-size:46px;line-height:1.24;font-weight:700;margin:18px 0 0;}
.hero-sub{font-size:17px;color:var(--text-2);margin-top:16px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:40px;padding-top:26px;border-top:1px dashed #D8E6E1;}
.stat{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap;}
.stat__num{font-size:26px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.stat__unit{font-size:13px;color:var(--brand);font-weight:600;}
.stat__label{flex-basis:100%;font-size:12.5px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-xl);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.float-card{
  position:absolute;left:-18px;bottom:26px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;box-shadow:var(--sh-2);max-width:230px;
}
.float-card strong{display:block;font-size:22px;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.float-card span{font-size:12.5px;color:var(--text-3);}

/* ---------- Tab 胶囊 ---------- */
.tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
.tabs::-webkit-scrollbar{display:none;}
.tab{
  flex:none;height:42px;padding:0 20px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:14.5px;font-weight:600;cursor:pointer;transition:all .2s var(--ease);
}
.tab:hover{border-color:var(--brand);color:var(--brand-dark);}
.tab.is-active{background:var(--grad-brand);color:#fff;border-color:transparent;}

/* ---------- 对比表 ---------- */
.table-wrap{
  margin-top:28px;border:1px solid var(--line);border-radius:var(--r-xl);
  background:#fff;box-shadow:var(--sh-1);overflow-x:auto;
}
.plan-table{min-width:820px;font-size:14.5px;line-height:1.6;}
.plan-table th,.plan-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);}
.plan-table thead th{
  background:var(--brand-light);color:var(--brand-dark);
  font-weight:700;font-size:15px;vertical-align:top;
}
.plan-table thead th.plan-col--rec{border-top:2px solid var(--brand);position:relative;}
.plan-table tbody th{
  font-weight:600;color:var(--text);background:#FBFDFC;
  position:sticky;left:0;z-index:2;min-width:132px;
}
.plan-table tbody tr:hover td,.plan-table tbody tr:hover th{background:#FAFCFB;}
.plan-table td{color:var(--text-2);}
.plan-table td[data-col].col-active{background:rgba(18,165,148,.07);color:var(--text);}
.plan-table .price{display:block;font-size:13px;color:var(--text-3);font-weight:500;margin-top:4px;}
.ico-yes{color:var(--brand);}
.ico-no{color:#B9C6C2;}
.cell-ico{display:flex;align-items:center;gap:8px;}
.foot-note{font-size:13px;color:var(--text-3);margin-top:14px;}

/* ---------- 权益卡 ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.benefit-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .24s var(--ease);
  display:flex;flex-direction:column;gap:12px;height:100%;
}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.benefit-card__ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-dark);
}
.benefit-card h3{font-size:18px;font-weight:700;}
.benefit-card p{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.benefit-card__tag{margin-top:auto;font-size:12.5px;color:var(--brand-dark);font-weight:600;}

/* ---------- 指标条 ---------- */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;
}
.metric{background:#fff;padding:28px 22px;text-align:center;}
.metric__num{font-size:30px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums;}
.metric__unit{font-size:13px;color:var(--brand);font-weight:600;margin-left:4px;}
.metric__label{display:block;font-size:12.5px;color:var(--text-3);margin-top:6px;}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.flow-item{
  position:relative;background:#FFFDF9;border:1px solid #E7E0D2;
  border-radius:var(--r-lg);padding:28px 24px;
}
.flow-item__no{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--ink-dark);
  color:#F2B23B;font-weight:700;font-size:15px;margin-bottom:16px;
}
.flow-item h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.flow-item p{font-size:14.5px;color:var(--text-2);}

/* ---------- 图文 ---------- */
.split{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center;}
.split img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-xl);border:1px solid var(--line);}
.split h2{font-size:30px;font-weight:700;line-height:1.35;margin-bottom:14px;}
.split p{color:var(--text-2);margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:12px;margin-top:18px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.check-list svg{flex:none;margin-top:3px;color:var(--brand);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:box-shadow .2s var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);min-height:48px;
}
.faq-q__ico{
  flex:none;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  color:var(--brand-dark);transition:transform .25s var(--ease);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--text-2);border-left:3px solid transparent;}
.faq-item.is-open{background:#FCFEFD;border-color:#CBE8E2;}
.faq-item.is-open .faq-q__ico{transform:rotate(180deg);background:var(--brand-light);}
.faq-item.is-open .faq-a p{border-left-color:var(--brand);margin-left:22px;padding-left:16px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink-dark);color:#EAF6F3;border-radius:var(--r-xl);
  padding:48px;display:grid;grid-template-columns:6fr 5fr;gap:48px;align-items:center;
  border:1px solid rgba(79,207,175,.28);position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,207,175,.22),transparent 70%);
}
.cta-band h2{font-size:30px;font-weight:700;color:#fff;line-height:1.35;}
.cta-band p{color:#9FC4BC;margin-top:12px;font-size:15px;}
.form-card{background:#fff;border-radius:var(--r-lg);padding:26px;color:var(--text);position:relative;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px;font-weight:600;}
.field input[type="tel"],.field input[type="text"]{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-md);background:#fff;outline:none;transition:all .2s var(--ease);
}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.22);}
.field--err input{border-color:var(--accent);}
.field__msg{font-size:13px;color:var(--accent);margin-top:6px;display:none;}
.field--err .field__msg{display:block;}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-2);margin-bottom:18px;}
.agree input{width:18px;height:18px;accent-color:var(--brand);margin-top:2px;flex:none;}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--text-3);padding:18px 0 0;}
.crumb a{color:var(--text-3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand-dark);}
.crumb span.sep{margin:0 8px;color:#C6D3CF;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-dark);color:#B9D3CD;padding:64px 0 28px;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.site-footer p{font-size:14px;color:#93B4AD;line-height:1.8;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo__mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;flex:none;
}
.footer-logo__text{color:#fff;font-weight:700;font-size:17px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#9FC4BC;transition:color .2s var(--ease);}
.footer-links a:hover{color:#fff;}
.footer-sub{display:flex;flex-direction:column;gap:10px;}
.footer-sub input{
  height:44px;padding:0 14px;border-radius:var(--r-md);border:1px solid rgba(159,196,188,.3);
  background:rgba(255,255,255,.06);color:#fff;outline:none;
}
.footer-sub input::placeholder{color:#7FA39C;}
.footer-sub input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.28);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(159,196,188,.22);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:#7FA39C;
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:#7FA39C;transition:color .2s var(--ease);}
.footer-bottom a:hover{color:#fff;}

@media (max-width:1199px){
  .hero-copy h1{font-size:40px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .section{padding:var(--sec) 0;}
  .sec-head h2{font-size:26px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split h2{font-size:26px;}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .metric-bar{grid-template-columns:repeat(2,1fr);}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .header-top{height:auto;flex-wrap:wrap;gap:12px;padding:12px 0;}
  .logo__text{font-size:17px;}
  .search{order:3;flex-basis:100%;max-width:none;height:44px;padding-left:14px;}
  .header-actions{margin-left:auto;gap:10px;}
  .link-quiet{display:none;}
  .nav-cats{display:none;}
  .nav-toggle{display:flex;}
  .hero-copy h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .page-hero{padding:36px 0 44px;}
  .stats{gap:24px;}
  .grid-4{grid-template-columns:1fr;}
  .metric-bar{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:23px;}
  .plan-table th,.plan-table td{padding:14px 14px;font-size:14px;}
  .cta-band{padding:28px 20px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .float-card{left:12px;bottom:12px;padding:12px 14px;}
  .split h2{font-size:22px;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#12A594;
  --c-primary-deep:#0A6E63;
  --c-primary-soft:#E6F6F2;
  --c-accent:#FF7A45;
  --c-accent-soft:#FFEDE5;
  --c-gold:#F2B23B;
  --bg:#F6F8F5;
  --card:#FFFFFF;
  --line:#E5EBE6;
  --dark:#0B2A2A;
  --t1:#10201E;
  --t2:#4B5F5B;
  --t3:#8A9A95;
  --grad-brand:linear-gradient(115deg,#0A6E63 0%,#12A594 55%,#4FCFAF 100%);
  --grad-warm:linear-gradient(115deg,#FFB25C 0%,#FF7A45 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
h1{font-size:44px;line-height:1.22;font-weight:700;letter-spacing:.01em}
h2{font-size:30px;line-height:1.32;font-weight:700}
h3{font-size:22px;line-height:1.4;font-weight:700}
h4{font-size:18px;line-height:1.5;font-weight:700}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid rgba(18,165,148,.4);outline-offset:2px;border-radius:6px}

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

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:56px 0}
.section--paper{background:#FFFFFF;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:32px;max-width:720px}
.section-desc{margin-top:10px;color:var(--t2);max-width:680px;font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary-deep);letter-spacing:.08em}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--grad-brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,filter .18s ease-out;
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(10,110,99,.24)}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(10,110,99,.28)}
.btn--primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(10,110,99,.22)}
.btn--outline{border:1px solid var(--c-primary);color:var(--c-primary-deep);background:#fff}
.btn--outline:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn--outline-light{border:1px solid rgba(255,255,255,.5);color:#fff}
.btn--outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--ghost{padding:0 6px;height:auto;color:var(--c-primary-deep);font-weight:600}
.btn--ghost svg{transition:transform .2s ease-out}
.btn--ghost:hover svg{transform:translateX(4px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge--warm{background:var(--grad-warm);color:#fff}
.badge--gold{background:rgba(242,178,59,.16);color:#8a5c04}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--t2);
}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.42);background:rgba(11,42,42,.28);color:#fff;
  font-size:14px;backdrop-filter:blur(4px);transition:background-color .2s ease-out,color .2s ease-out;
}
.chip:hover{background:#fff;color:var(--c-primary-deep);border-color:#fff}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s ease-out}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(10,60,54,.06)}
.header-top{display:flex;align-items:center;gap:20px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo__mark{
  width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(10,110,99,.28);
}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--t1)}
.header-search{
  position:relative;flex:1;max-width:560px;display:flex;align-items:center;
  height:48px;padding:4px 4px 4px 46px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.header-search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.28)}
.header-search__icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--t3)}
.header-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px;color:var(--t1)}
.header-search input::placeholder{color:var(--t3)}
.header-search__btn{height:38px;padding:0 18px;font-size:14px}
.header-search__btn svg{display:none}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.header-link{font-size:15px;color:var(--t2);padding:6px 2px;transition:color .2s ease-out}
.header-link:hover{color:var(--c-primary-deep)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--t1);
}
.nav-toggle:hover{background:var(--c-primary-soft);border-color:var(--c-primary-soft)}
.nav-cats{display:flex;gap:8px;overflow-x:auto;padding:0 0 14px;scrollbar-width:none}
.nav-cats::-webkit-scrollbar{display:none}
.nav-cats a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--t2);white-space:nowrap;transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-cats a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.nav-cats a.is-active{background:var(--grad-brand);color:#fff;font-weight:600}

/* ============ 抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(11,42,42,.45);opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:200}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;z-index:201;width:84%;max-width:360px;height:100%;
  background:#fff;padding:20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .28s ease-out;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);display:grid;place-items:center;color:var(--t2)}
.drawer__close:hover{background:var(--c-primary-soft)}
.drawer__search{position:relative;display:flex;align-items:center;height:46px;border:1px solid var(--line);border-radius:var(--r-pill);padding-left:42px;background:#fff}
.drawer__search:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.22)}
.drawer__search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--t3)}
.drawer__search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px}
.drawer__nav{display:flex;flex-direction:column;gap:4px;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line);padding:12px 0}
.drawer__nav a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;font-size:15px;color:var(--t2)}
.drawer__nav a:hover{background:var(--c-primary-soft);color:var(--c-primary-deep)}
.drawer__nav a.is-active{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600}

/* ============ 面包屑 ============ */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t3);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--c-primary-deep)}
.crumb span.sep{color:#c6d2cd}
.crumb .current{color:var(--t2)}

/* ============ Hero ============ */
.hero--guide{
  position:relative;margin-top:20px;border-radius:var(--r-lg);overflow:hidden;
  min-height:340px;display:flex;align-items:flex-end;color:#fff;
  box-shadow:var(--sh-1);
}
.hero__bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero--guide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,42,42,.18) 0%,rgba(11,42,42,.72) 62%,rgba(11,42,42,.88) 100%);
}
.hero__inner{position:relative;z-index:2;padding:44px 40px;max-width:820px}
.hero__inner h1{color:#fff;font-size:40px;margin:14px 0 12px;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.hero__lead{font-size:17px;color:rgba(255,255,255,.9);max-width:560px}
.hero__chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}

/* ============ 数据条 ============ */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 28px;box-shadow:var(--sh-1);margin-top:-34px;position:relative;z-index:5;
}
.data-item{border-left:2px dashed var(--line);padding-left:18px}
.data-item:first-child{border-left:0;padding-left:0}
.data-item__num{font-size:26px;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;line-height:1.2}
.data-item__unit{font-size:13px;color:var(--c-primary);margin-left:4px;font-weight:600}
.data-item p{font-size:12.5px;color:var(--t3);margin-top:4px}

/* ============ 特稿大卡 ============ */
.spotlight{
  display:grid;grid-template-columns:1.05fr 1fr;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:box-shadow .24s ease-out,transform .24s ease-out;
}
.spotlight:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.spotlight__media{position:relative;min-height:360px;overflow:hidden;background:linear-gradient(135deg,var(--c-primary-soft),#fff)}
.spotlight__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.spotlight:hover .spotlight__media img{transform:scale(1.03)}
.spotlight__tag{position:absolute;top:18px;left:18px;z-index:2}
.spotlight__body{padding:40px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.spotlight__body h2{font-size:28px}
.spotlight__body p{color:var(--t2)}
.check-list{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--t2)}
.check-list svg{flex:none;margin-top:5px;color:var(--c-primary)}

/* ============ 三栏卖点 ============ */
.feature-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.feature-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.feature-item__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary-deep);margin-bottom:16px;
}
.feature-item h3{font-size:18px;margin-bottom:8px}
.feature-item p{font-size:14.5px;color:var(--t2)}

/* ============ 图文交错 ============ */
.zigzag{display:grid;gap:56px}
.zigzag__item{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.zigzag__item:nth-child(even) .zigzag__media{order:2}
.zigzag__media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--sh-1)}
.zigzag__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .3s ease-out}
.zigzag__media:hover img{transform:scale(1.03)}
.zigzag__body h3{font-size:26px;margin:14px 0 12px}
.zigzag__body p{color:var(--t2)}
.dot-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.dot-list li{position:relative;padding-left:20px;font-size:14.5px;color:var(--t2)}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--grad-brand);
}

/* ============ 场景卡片流（两列不等高） ============ */
.grid-flow{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card__media{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--c-primary-soft),#fff)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.card:hover .card__media img{transform:scale(1.03)}
.card--tall .card__media{aspect-ratio:16/9}
.card--short .card__media{aspect-ratio:4/3}
.card__body{padding:24px}
.card__body h3{font-size:20px;margin:12px 0 10px}
.card__body p{font-size:14.5px;color:var(--t2)}
.card__meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:12.5px;color:var(--t3)}

/* ============ 步骤流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px 24px;overflow:hidden;
  transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:.85}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step__num{font-size:28px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.step h3{font-size:17px;margin:10px 0 8px}
.step p{font-size:14px;color:var(--t2)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq__item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq__item:hover{border-color:#cfe6e0}
.faq__item.is-open{border-color:var(--c-primary);box-shadow:0 10px 26px rgba(10,60,54,.08)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--t1);
  min-height:48px;position:relative;
}
.faq__q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;
  background:var(--c-primary);opacity:0;transition:opacity .2s ease-out;
}
.faq__item.is-open .faq__q::before{opacity:1}
.faq__item.is-open .faq__q{background:var(--c-primary-soft)}
.faq__icon{
  flex:none;width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--c-primary-deep);background:#fff;
  transition:transform .24s ease-out;
}
.faq__item.is-open .faq__icon{transform:rotate(180deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s ease-out}
.faq__a p{padding:0 24px 22px 24px;font-size:15px;color:var(--t2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  overflow:hidden;border:1px solid rgba(79,207,175,.35);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,207,175,.28),rgba(79,207,175,0) 68%);
}
.cta-band__text{position:relative;z-index:2;max-width:620px}
.cta-band__text h2{color:#fff;font-size:28px}
.cta-band__text p{color:rgba(255,255,255,.75);margin-top:12px}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:88px;padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.footer-grid p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68)}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo__mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;
}
.footer-logo__text{color:#fff;font-size:17px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-links a:hover{color:#4FCFAF}
.footer-sub{display:flex;flex-direction:column;gap:12px}
.footer-sub input{
  height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);padding:0 16px;color:#fff;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:rgba(255,255,255,.44)}
.footer-sub input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,165,148,.22)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#4FCFAF}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .container{max-width:1280px}
}
@media (max-width:1199px){
  h1{font-size:38px}
  .hero__inner h1{font-size:34px}
  .section-head h2{font-size:28px}
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 20px}
  h1{font-size:32px}
  h2{font-size:24px}
  h3{font-size:19px}
  .hero__inner{padding:32px 26px}
  .hero__inner h1{font-size:30px}
  .spotlight{grid-template-columns:1fr}
  .spotlight__media{min-height:260px}
  .spotlight__body{padding:28px}
  .feature-row{grid-template-columns:1fr}
  .zigzag__item{grid-template-columns:1fr;gap:22px}
  .zigzag__item:nth-child(even) .zigzag__media{order:0}
  .zigzag__body h3{font-size:22px}
  .data-strip{grid-template-columns:repeat(2,1fr);padding:22px;gap:20px}
  .data-item:nth-child(3){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .header-top{flex-wrap:wrap;height:auto;padding:12px 0;gap:12px}
  .logo{order:1}
  .header-actions{order:2;margin-left:auto;gap:10px}
  .header-link{display:none}
  .header-search{order:3;flex:0 0 100%;max-width:none;height:44px}
  .header-search__btn{padding:0 14px}
  .header-search__btn span{display:none}
  .header-search__btn svg{display:block}
  .nav-toggle{display:flex}
  .nav-cats{display:none}
  .section{padding:48px 0}
  .section-head{margin-bottom:24px}
  .section-head h2{font-size:24px}
  .hero--guide{min-height:300px}
  .hero__inner{padding:26px 20px}
  .hero__inner h1{font-size:27px}
  .hero__lead{font-size:15.5px}
  .data-strip{grid-template-columns:1fr;margin-top:-24px}
  .data-item{border-left:0;padding-left:0;border-top:1px dashed var(--line);padding-top:14px}
  .data-item:first-child{border-top:0;padding-top:0}
  .grid-flow{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:48px;padding-top:52px}
}
@media (max-width:575px){
  .container{padding:0 16px}
  h1{font-size:26px}
  .hero__inner h1{font-size:24px}
  .spotlight__body h2{font-size:22px}
  .card__body{padding:20px}
  .faq__q{font-size:16px;padding:18px 18px}
  .faq__a p{padding:0 18px 20px 18px}
}

/* roulang page: category4 */
:root{
  --brand:#12A594;
  --brand-deep:#0A6E63;
  --brand-soft:#E6F6F2;
  --coral:#FF7A45;
  --coral-soft:#FFEDE5;
  --gold:#F2B23B;
  --bg:#F6F8F5;
  --surface:#FFFFFF;
  --line:#E5EBE6;
  --line-strong:#D2E3DD;
  --ink:#10201E;
  --ink-2:#4B5F5B;
  --ink-3:#8A9A95;
  --dark:#0B2A2A;
  --grad-brand:linear-gradient(115deg,#0A6E63 0%,#12A594 55%,#4FCFAF 100%);
  --grad-warm:linear-gradient(115deg,#FFB25C 0%,#FF7A45 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-xs:16px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(10,60,54,.06);
  --sh-2:0 16px 40px rgba(10,60,54,.12);
  --sh-nav:0 4px 16px rgba(10,60,54,.06);
  --font:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.35;}
svg{flex:none;}
:focus-visible{outline:3px solid rgba(18,165,148,.45);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,filter .2s ease-out;
  border:1px solid transparent;white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 8px 20px rgba(10,110,99,.22);}
.btn--primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(10,110,99,.28);}
.btn--outline{border-color:var(--brand);color:var(--brand-deep);background:#fff;}
.btn--outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn--ghost{color:var(--brand-deep);padding:0;min-height:auto;gap:10px;}
.btn--ghost svg{transition:transform .2s ease-out;}
.btn--ghost:hover svg{transform:translateX(4px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:none;}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--brand-soft);color:var(--brand-deep);
}
.badge--warm{background:var(--grad-warm);color:#fff;}
.badge--line{background:#fff;border:1px solid var(--line-strong);color:var(--ink-2);font-weight:500;}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);}
.site-header.is-scrolled{box-shadow:var(--sh-nav);}
.header-top{display:flex;align-items:center;gap:24px;height:76px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;box-shadow:0 6px 16px rgba(10,110,99,.24);
}
.logo__text{font-size:18px;font-weight:700;letter-spacing:.2px;color:var(--ink);}
.search{
  flex:1;max-width:560px;margin:0 auto;position:relative;display:flex;align-items:center;
  height:48px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  padding-left:16px;transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,165,148,.28);}
.search__icon{color:var(--ink-3);}
.search input{
  flex:1;height:100%;border:none;background:transparent;outline:none;padding:0 12px;font-size:15px;
}
.search input::placeholder{color:var(--ink-3);}
.search__btn{
  height:38px;margin-right:5px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:filter .2s ease-out;
}
.search__btn:hover{filter:brightness(1.07);}
.header-actions{display:flex;align-items:center;gap:18px;flex:none;}
.link-quiet{font-size:15px;color:var(--ink-2);transition:color .2s ease-out;}
.link-quiet:hover{color:var(--brand-deep);}
.nav-cats{
  display:flex;align-items:center;gap:10px;overflow-x:auto;
  padding:0 0 14px;scrollbar-width:none;
}
.nav-cats::-webkit-scrollbar{display:none;}
.nav-cats a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);white-space:nowrap;border:1px solid transparent;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.nav-cats a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-cats a.is-active{background:var(--brand);color:#fff;font-weight:600;}
.burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  align-items:center;justify-content:center;color:var(--ink-2);
}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(11,42,42,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer__panel{
  position:absolute;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease-out;
}
.drawer.is-open .drawer__panel{transform:translateX(0);}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--ink-2);align-self:flex-end;
}
.drawer__links{display:flex;flex-direction:column;}
.drawer__links a{
  padding:14px 0;border-bottom:1px dashed var(--line);font-size:16px;color:var(--ink-2);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer__links a.is-active{color:var(--brand-deep);font-weight:600;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);padding:22px 0 0;}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb span{color:var(--ink-2);}

/* ============ 页首区 ============ */
.page-hero{position:relative;overflow:hidden;padding:28px 0 8px;}
.hero-glow{
  position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,207,175,.55),rgba(79,207,175,0) 70%);
  opacity:.06;pointer-events:none;
}
.hero-wave{
  position:absolute;left:0;right:0;bottom:-6px;height:40px;opacity:.06;pointer-events:none;
  background:repeating-linear-gradient(90deg,var(--brand) 0 2px,transparent 2px 14px);
  mask-image:linear-gradient(to bottom,transparent,#000);
  -webkit-mask-image:linear-gradient(to bottom,transparent,#000);
}
.hero-inner{position:relative;max-width:820px;}
.hero-title{font-size:46px;line-height:1.25;margin:18px 0 0;letter-spacing:-.4px;}
.hero-title .accent{color:var(--brand-deep);}
.hero-lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:680px;}
.hero-search{
  margin-top:26px;display:flex;align-items:center;gap:10px;height:56px;
  background:#fff;border:2px solid var(--brand);border-radius:var(--r-pill);
  padding:0 6px 0 20px;box-shadow:0 0 0 4px rgba(18,165,148,.14);
  max-width:640px;
}
.hero-search svg{color:var(--brand-deep);}
.hero-search input{flex:1;height:100%;border:none;background:transparent;outline:none;font-size:16px;}
.hero-search input::placeholder{color:var(--ink-3);}
.hero-search .btn{min-height:44px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.hero-tags a{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:6px 14px;transition:border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.hero-tags a:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}

/* 数据徽章 */
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:30px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 22px;box-shadow:var(--sh-1);min-width:150px;
}
.stat__num{font-size:26px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--brand-deep);line-height:1.2;}
.stat__unit{font-size:13px;color:var(--ink-2);margin-left:4px;font-weight:500;}
.stat__label{font-size:12.5px;color:var(--ink-3);margin-top:4px;}

/* ============ 板块 ============ */
.section{padding-top:88px;}
.section--tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:30px;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}

/* ============ 主体布局 ============ */
.faq-shell{display:grid;grid-template-columns:240px minmax(0,1fr);gap:42px;align-items:start;}
.faq-index{position:sticky;top:118px;}
.faq-index__title{font-size:13px;color:var(--ink-3);letter-spacing:.6px;margin-bottom:12px;}
.faq-index nav{display:flex;flex-direction:column;gap:4px;}
.faq-index nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:var(--r-sm);font-size:14.5px;color:var(--ink-2);
  border-left:3px solid transparent;transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-index nav a:hover{background:#fff;color:var(--brand-deep);box-shadow:var(--sh-1);}
.faq-index nav a.is-active{background:#fff;color:var(--brand-deep);border-left-color:var(--brand);font-weight:600;box-shadow:var(--sh-1);}
.faq-index nav a em{font-style:normal;font-size:12.5px;color:var(--ink-3);font-variant-numeric:tabular-nums;}
.index-help{
  margin-top:22px;background:var(--brand-soft);border-radius:var(--r-md);padding:18px;
  font-size:13.5px;color:var(--brand-deep);line-height:1.7;
}
.index-help a{display:inline-flex;align-items:center;gap:6px;margin-top:10px;font-weight:600;font-size:14px;}

/* ============ 手风琴分组 ============ */
.faq-group{margin-bottom:44px;scroll-margin-top:130px;}
.faq-group__head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-group__head span.bar{width:4px;height:22px;border-radius:4px;background:var(--grad-brand);}
.faq-group__head h3{font-size:22px;}
.faq-group__head .badge{margin-left:auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xs);
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow .24s ease-out,border-color .24s ease-out,background-color .24s ease-out;
}
.faq-item:hover{box-shadow:var(--sh-1);border-color:var(--line-strong);}
.faq-item.is-open{background:#FBFEFD;border-color:var(--brand);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);
  min-height:48px;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease-out;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  margin-left:auto;width:30px;height:30px;border-radius:50%;flex:none;
  background:var(--brand-soft);color:var(--brand-deep);display:grid;place-items:center;
  transition:transform .24s ease-out,background-color .24s ease-out,color .24s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a__inner{padding:0 22px 22px 22px;font-size:15.5px;color:var(--ink-2);line-height:1.85;}
.faq-a__inner strong{color:var(--ink);font-weight:600;}
.faq-a__inner .steps{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.faq-a__inner .steps li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);}
.faq-a__inner .steps li i{
  font-style:normal;flex:none;width:20px;height:20px;border-radius:6px;margin-top:4px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:600;
  display:grid;place-items:center;
}

/* ============ 入口卡片 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.entry-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.entry-card:hover .entry-card__media img{transform:scale(1.03);}
.entry-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-card__body h3{font-size:18px;}
.entry-card__body p{font-size:14px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-card .btn--ghost{margin-top:auto;font-size:14.5px;}

/* ============ 深色 CTA ============ */
.cta-band{
  margin-top:88px;background:var(--dark);color:#EAF5F1;border-radius:var(--r-lg);
  padding:56px;position:relative;overflow:hidden;border:1px solid rgba(79,207,175,.28);
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-140px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,165,148,.5),rgba(18,165,148,0) 70%);opacity:.18;
}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin-top:14px;color:#B9D5CF;font-size:15.5px;max-width:520px;}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.cta-points span{
  font-size:13px;color:#DDF0EA;background:rgba(255,255,255,.08);
  border:1px solid rgba(79,207,175,.3);border-radius:var(--r-pill);padding:7px 14px;
}
.cta-form{
  position:relative;z-index:1;background:#fff;border-radius:var(--r-md);padding:26px;
  box-shadow:0 20px 50px rgba(0,0,0,.24);
}
.cta-form h3{font-size:17px;margin-bottom:16px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:6px;}
.field input{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 14px;font-size:15px;background:#fff;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.22);}
.code-row{display:flex;gap:10px;}
.code-row input{flex:1;}
.code-row .btn{flex:none;min-width:120px;}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--ink-2);line-height:1.6;}
.checkline input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);}
.form-note{margin-top:12px;font-size:12.5px;color:var(--ink-3);}
.form-msg{margin-top:12px;font-size:13px;color:var(--brand-deep);display:none;}
.form-msg.is-show{display:block;}

/* ============ 未解决引导 ============ */
.help-block{
  margin-top:56px;background:#fff;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  padding:40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.help-block__icon{
  width:56px;height:56px;border-radius:16px;background:var(--coral-soft);color:var(--coral);
  display:grid;place-items:center;flex:none;
}
.help-block h3{font-size:20px;}
.help-block p{font-size:14.5px;color:var(--ink-2);margin-top:6px;}
.help-block .actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--dark);color:#C9DED9;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.site-footer p{font-size:13.5px;color:#9FBDB7;line-height:1.8;max-width:340px;}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-logo__mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;
}
.footer-logo__text{font-size:17px;font-weight:700;color:#fff;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:#B4CFC9;transition:color .2s ease-out,padding-left .2s ease-out;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-sub{display:flex;flex-direction:column;gap:10px;}
.footer-sub input{
  height:46px;border-radius:var(--r-sm);border:1px solid rgba(79,207,175,.28);
  background:rgba(255,255,255,.06);padding:0 14px;color:#EAF5F1;outline:none;font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:#88A8A2;}
.footer-sub input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,165,148,.28);}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#88A8A2;
}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .entry-grid{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:40px;}
}
@media (max-width:991px){
  .header-top{gap:16px;}
  .search{display:none;}
  .burger{display:inline-flex;}
  .header-actions .link-quiet{display:none;}
  .faq-shell{grid-template-columns:1fr;gap:24px;}
  .faq-index{position:static;}
  .faq-index nav{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:none;}
  .faq-index nav::-webkit-scrollbar{display:none;}
  .faq-index nav a{
    white-space:nowrap;border-left:none;border:1px solid var(--line);
    border-radius:var(--r-pill);background:#fff;padding:9px 16px;
  }
  .faq-index nav a.is-active{border-color:var(--brand);background:var(--brand);color:#fff;}
  .faq-index nav a.is-active em{color:rgba(255,255,255,.8);}
  .index-help{display:none;}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:32px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .hero-title{font-size:34px;}
  .section-head h2{font-size:25px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .btn{min-height:46px;}
  .hero-title{font-size:30px;}
  .hero-search{height:52px;}
  .hero-search .btn--primary span{display:none;}
  .section{padding-top:64px;}
  .cta-band{margin-top:64px;padding:28px 22px;}
  .cta-band h2{font-size:24px;}
  .help-block{padding:26px;}
  .help-block .actions{margin-left:0;width:100%;}
  .entry-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .logo__text{font-size:16px;}
  .hero-title{font-size:28px;}
  .stat{min-width:calc(50% - 8px);padding:14px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .code-row{flex-direction:column;}
  .code-row .btn{width:100%;}
}