/* roulang page: index */
:root{
  --brand:#0F5B55;
  --brand-mid:#128C7E;
  --cyan:#2DD4BF;
  --accent:#F28C28;
  --accent-soft:#FFB347;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --border:#DDE5E0;
  --ink:#14211F;
  --muted:#5E6F6A;
  --dark:#0A2F2B;
  --grad:linear-gradient(120deg,#0F5B55 0%,#128C7E 48%,#2DD4BF 100%);
  --grad-accent:linear-gradient(120deg,#F28C28 0%,#FFB347 100%);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:16px;
  --sh:0 8px 24px rgba(15,91,85,.08);
  --sh-lg:0 16px 40px rgba(15,91,85,.16);
  --sec:104px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block;border:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(45,212,191,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.row{max-width:1280px;margin-left:auto;margin-right:auto}
.row .columns{padding-left:12px;padding-right:12px}
.section{padding:var(--sec) 0}
.section--tight{padding:76px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:18px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:99px;background:var(--grad);
}
h1,h2,h3{font-family:var(--font);color:var(--ink);letter-spacing:.2px}
h1{font-size:clamp(2rem,4vw,3.25rem);font-weight:800;line-height:1.15}
h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.28}
h3{font-size:1.28rem;font-weight:700;line-height:1.4}
.lead{color:var(--muted);font-size:1.02rem;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:700;letter-spacing:.16em;color:var(--brand-mid);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad-accent);border-radius:2px}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(246,244,239,.94);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(15,91,85,.09);border-bottom:1px solid rgba(221,229,224,.9)}
.topbar{border-bottom:1px solid rgba(221,229,224,.75)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:62px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-badge{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:var(--grad);color:#fff;font-weight:800;font-size:1.4rem;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,91,85,.28);
  font-variant-numeric:tabular-nums;
}
.brand-name{display:block;font-size:1.06rem;font-weight:800;line-height:1.25;letter-spacing:.3px}
.brand-sub{display:block;font-size:.76rem;color:var(--muted);letter-spacing:.1em;margin-top:2px}
.topbar-tools{display:flex;align-items:center;gap:14px}
.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--border);border-radius:999px;padding:4px 6px 4px 16px;min-width:280px;transition:box-shadow .24s ease,border-color .24s ease}
.nav-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(45,212,191,.16)}
.nav-search input{border:0;outline:0;background:transparent;flex:1;padding:8px 0;color:var(--ink);min-width:0}
.nav-search input::placeholder{color:#9AA9A4}
.nav-search button{
  border:0;cursor:pointer;border-radius:999px;background:var(--grad);color:#fff;
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;transition:transform .2s ease;
}
.nav-search button:hover{transform:translateY(-1px)}
.nav-toggle{
  display:none;border:1px solid var(--border);background:#fff;color:var(--brand);
  border-radius:12px;padding:9px 14px;font-weight:700;cursor:pointer;
}
.navbar{background:transparent}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:52px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:999px;font-weight:600;
  color:#2C3D39;font-size:.97rem;transition:all .22s ease;
}
.nav-link:hover{background:rgba(45,212,191,.14);color:var(--brand)}
.nav-link.is-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(15,91,85,.22)}
.hotwords{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.hotwords-label{font-size:.8rem;color:var(--muted);letter-spacing:.08em}
.hotword{
  font-size:.82rem;padding:5px 12px;border-radius:999px;background:#fff;
  border:1px solid var(--border);color:var(--brand-mid);transition:all .22s ease;
}
.hotword:hover{border-color:var(--accent);color:var(--accent);background:#FFF7EE}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.98rem;
  border:1px solid transparent;cursor:pointer;transition:all .24s ease;line-height:1.2;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,91,85,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-lg)}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(15,91,85,.32)}
.btn-ghost:hover{background:rgba(45,212,191,.12);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--grad-accent);color:#3A1D00;box-shadow:0 10px 22px rgba(242,140,40,.28)}
.btn-accent:hover{color:#3A1D00;transform:translateY(-2px)}
.btn-line{background:transparent;color:var(--brand);padding:8px 2px;border-radius:0;border-bottom:2px solid rgba(15,91,85,.35)}
.btn-line:hover{color:var(--accent);border-bottom-color:var(--accent)}
.btn:active{transform:scale(.98)}
.btn-sm{padding:10px 20px;font-size:.9rem}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(10,47,43,.94) 0%,rgba(15,91,85,.9) 45%,rgba(18,140,126,.78) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.32),transparent 68%);pointer-events:none;
}
.hero-row{min-height:560px;display:flex;align-items:center;position:relative;z-index:2;padding:72px 0}
.hero h1{color:#fff;margin:6px 0 18px}
.hero .eyebrow{color:#9CF2E4}
.hero-sub{color:rgba(232,244,241,.9);font-size:1.06rem;line-height:1.9;max-width:600px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45)}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff}
.hero-meta{display:flex;gap:22px;flex-wrap:wrap;margin-top:28px;font-size:.86rem;color:rgba(232,244,241,.82)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{width:7px;height:7px;border-radius:50%;background:var(--accent-soft);display:inline-block}
.hero-panel{display:flex;flex-direction:column;gap:18px}
.hero-card{
  background:rgba(255,255,255,.97);border-radius:var(--r-lg);padding:14px;box-shadow:0 24px 60px rgba(3,32,29,.34);
}
.hero-card img{border-radius:18px;aspect-ratio:16/9;object-fit:cover;width:100%}
.hero-card-body{padding:14px 8px 6px}
.hero-card-body h3{font-size:1.06rem;margin-bottom:6px}
.hero-card-body p{color:var(--muted);font-size:.88rem;line-height:1.7}
.hero-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.badge-card{
  background:rgba(255,255,255,.13);border:1px solid rgba(45,212,191,.42);border-radius:var(--r-sm);
  padding:14px 16px;backdrop-filter:blur(6px);
}
.badge-num{font-size:1.35rem;font-weight:800;color:var(--accent-soft);font-variant-numeric:tabular-nums;line-height:1.2}
.badge-label{font-size:.82rem;color:rgba(232,244,241,.9);margin-top:2px}

/* ============ 品牌主张 ============ */
.claim-list{display:flex;flex-direction:column;gap:16px}
.claim-item{
  display:flex;gap:18px;align-items:flex-start;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh);transition:all .26s ease;
}
.claim-item:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(45,212,191,.6)}
.claim-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:14px;background:rgba(45,212,191,.14);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;
  font-variant-numeric:tabular-nums;
}
.claim-item h3{font-size:1.1rem;margin-bottom:6px}
.claim-item p{color:var(--muted);font-size:.94rem;line-height:1.75}

/* ============ 时间线 ============ */
.story-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);position:relative}
.story-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.story-media figcaption{
  position:absolute;left:18px;bottom:18px;right:18px;background:rgba(10,47,43,.78);color:#E8F4F1;
  font-size:.84rem;padding:10px 16px;border-radius:999px;backdrop-filter:blur(4px);
}
.timeline{position:relative;padding-left:8px}
.timeline-item{position:relative;padding:0 0 30px 62px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:21px;top:46px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(45,212,191,.7),rgba(45,212,191,0));
}
.timeline-item:last-child::before{display:none}
.timeline-num{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:14px;background:var(--grad);
  color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,91,85,.24);font-variant-numeric:tabular-nums;
}
.timeline-item h3{font-size:1.12rem;margin-bottom:6px}
.timeline-item p{color:var(--muted);font-size:.95rem;line-height:1.8}

/* ============ 内容卡片 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(45,212,191,.55)}
.card-media{display:block;overflow:hidden;position:relative}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.82rem;color:var(--muted)}
.chip{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;
  background:rgba(45,212,191,.15);color:var(--brand);font-size:.78rem;font-weight:700;letter-spacing:.02em;
  border:1px solid transparent;transition:all .22s ease;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.card h3 a{color:var(--ink)}
.card h3 a:hover{color:var(--brand)}
.card p{color:var(--muted);font-size:.94rem;line-height:1.78}
.card-link{margin-top:auto;font-weight:700;font-size:.92rem;display:inline-flex;align-items:center;gap:6px;color:var(--brand)}
.card-link:hover{color:var(--accent);gap:10px}
.card--large{grid-column:span 6}
.card--medium{grid-column:span 3}
.card--small{grid-column:span 4}
.card--large .card-body{padding:28px}
.card--large h3{font-size:1.42rem}
.card--small{flex-direction:row}
.card--small .card-media{flex:0 0 42%;max-width:42%}
.card--small .card-media img{height:100%;aspect-ratio:auto}
.card--small .card-body{padding:18px 20px;gap:8px}
.card--small h3{font-size:1.02rem}
.card--small p{font-size:.88rem;-webkit-line-clamp:3}
.ratio-list .card-media img{aspect-ratio:4/3}

/* ============ 最新信息 ============ */
.news-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px}
.news-tab{
  padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);
  color:var(--muted);font-size:.9rem;font-weight:600;transition:all .22s ease;
}
.news-tab:hover{border-color:var(--accent);color:var(--accent)}
.news-tab.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(15,91,85,.2)}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:flex;gap:22px;align-items:flex-start;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh);transition:all .26s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(45,212,191,.55)}
.news-index{
  flex:0 0 auto;width:54px;height:54px;border-radius:16px;background:rgba(15,91,85,.07);
  color:var(--brand);font-weight:800;font-size:1.1rem;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.news-item:hover .news-index{background:var(--grad-accent);color:#3A1D00}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:.8rem;color:var(--muted);margin-bottom:8px}
.news-body h3{font-size:1.12rem;margin-bottom:6px}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--brand)}
.news-summary{color:var(--muted);font-size:.92rem;line-height:1.75}
.news-arrow{
  flex:0 0 auto;align-self:center;font-size:.88rem;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;white-space:nowrap;
}
.news-arrow:hover{color:var(--accent)}
.empty-state{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:48px 28px;text-align:center;color:var(--muted);
}
.empty-state strong{display:block;color:var(--ink);font-size:1.05rem;margin-bottom:10px}

/* ============ 信任背书 ============ */
.trust-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px}
.trust-stat{border-radius:var(--r-sm);padding:20px;background:rgba(45,212,191,.08);border:1px solid rgba(45,212,191,.32)}
.trust-stat b{display:block;font-size:1.5rem;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.trust-stat span{font-size:.86rem;color:var(--muted)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  padding:7px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
  color:var(--brand);font-size:.86rem;font-weight:600;transition:all .22s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent);background:#FFF7EE}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-sm);
  overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:rgba(45,212,191,.6);box-shadow:var(--sh);position:relative}
.faq-item[open]::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 62px 20px 24px;position:relative;
  font-size:1.04rem;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;background:rgba(15,91,85,.08);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700;
  transition:all .24s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--grad-accent);color:#3A1D00}
.faq-item summary:hover{color:var(--brand)}
.faq-answer{padding:0 24px 22px;color:var(--muted);line-height:1.85;font-size:.96rem}

/* ============ 订阅 CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:52px;
  background:var(--grad);color:#fff;box-shadow:0 24px 56px rgba(10,47,43,.28);
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta-panel h2{color:#fff}
.cta-panel p{color:rgba(255,255,255,.9);line-height:1.85;margin-top:12px}
.sub-form{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.35);border-radius:var(--r-md);padding:24px}
.sub-form label{display:block;font-size:.86rem;color:rgba(255,255,255,.92);margin-bottom:8px}
.sub-input{
  width:100%;border:0;border-radius:12px;padding:14px 16px;background:#fff;color:var(--ink);outline:0;
  transition:box-shadow .22s ease;
}
.sub-input:focus{box-shadow:0 0 0 4px rgba(45,212,191,.4)}
.sub-form .btn{margin-top:16px;width:100%}
.privacy-row{display:flex;align-items:flex-start;gap:10px;margin-top:14px;font-size:.8rem;color:rgba(255,255,255,.85);line-height:1.6}
.privacy-row input{margin-top:4px;accent-color:var(--accent)}
.form-msg{margin-top:12px;font-size:.85rem;color:#FFE3C2;display:none}
.form-msg.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#E8F4F1;padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:18px;font-weight:700}
.site-footer p{color:rgba(232,244,241,.72);font-size:.9rem;line-height:1.8}
.site-footer a{color:rgba(232,244,241,.82);font-size:.92rem;display:inline-block;padding:5px 0}
.site-footer a:hover{color:var(--accent-soft)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-badge{width:40px;height:40px;font-size:1.25rem;border-radius:12px}
.footer-brand strong{color:#fff;font-size:1.02rem;display:block}
.footer-links{display:flex;flex-direction:column;align-items:flex-start}
.footer-bottom{
  border-top:1px solid rgba(232,244,241,.16);padding:22px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.84rem;color:rgba(232,244,241,.6);
}
.footer-bottom span{color:rgba(232,244,241,.6)}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{padding:0 20px}
}
@media (max-width:1024px){
  :root{--sec:80px}
  .card--large{grid-column:span 12}
  .card--medium{grid-column:span 6}
  .card--small{grid-column:span 6}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nav-search{min-width:210px}
}
@media (max-width:900px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .navbar-inner{position:relative;justify-content:space-between}
  .nav-links{
    position:absolute;left:16px;right:16px;top:calc(100% + 8px);background:#fff;border:1px solid var(--border);
    border-radius:var(--r-sm);box-shadow:var(--sh-lg);flex-direction:column;align-items:stretch;
    padding:12px;gap:8px;display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-link{display:block;text-align:left}
  .hotwords{display:none}
  .topbar-tools .btn{display:none}
}
@media (max-width:768px){
  :root{--sec:62px}
  body{font-size:16px}
  .hero-row{min-height:auto;padding:56px 0}
  .hero-badges{grid-template-columns:repeat(2,1fr)}
  .feature-grid{gap:18px}
  .card--medium,.card--small{grid-column:span 12}
  .card--small{flex-direction:column}
  .card--small .card-media{max-width:100%;flex:none}
  .card--small .card-media img{aspect-ratio:16/9;height:auto}
  .news-item{flex-direction:column;gap:14px;padding:20px}
  .news-index{width:46px;height:46px;border-radius:13px;font-size:1rem}
  .news-arrow{align-self:flex-start}
  .trust-panel{padding:26px}
  .trust-grid{grid-template-columns:1fr 1fr;gap:12px}
  .cta-panel{padding:30px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .section-head{margin-bottom:30px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:.98rem}
  .brand-sub{display:none}
  .hero-badges{grid-template-columns:1fr 1fr;gap:10px}
  .badge-num{font-size:1.16rem}
  .card-body{padding:18px}
  .stats-row,.trust-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --brand:#0F5B55;
  --brand-2:#128C7E;
  --brand-3:#2DD4BF;
  --accent:#F28C28;
  --accent-2:#FFB347;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --border:#DDE5E0;
  --text:#14211F;
  --muted:#5E6F6A;
  --dark:#0A2F2B;
  --grad:linear-gradient(120deg,#0F5B55 0%,#128C7E 48%,#2DD4BF 100%);
  --grad-accent:linear-gradient(120deg,#F28C28 0%,#FFB347 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:16px;
  --shadow:0 8px 24px rgba(15,91,85,.08);
  --shadow-hover:0 16px 40px rgba(15,91,85,.16);
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",system-ui,-apple-system,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:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:var(--text);letter-spacing:.01em;}
h1{font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800;line-height:1.18;}
h2{font-size:clamp(1.45rem,2.3vw,2rem);font-weight:700;line-height:1.3;}
h3{font-size:clamp(1.15rem,1.6vw,1.4rem);font-weight:700;line-height:1.4;}
p{margin:0 0 1rem;}
ul,ol{margin:0 0 1rem;padding-left:1.2rem;}
button{font-family:var(--font);cursor:pointer;}
input,textarea,select{font-family:var(--font);}
:focus-visible{outline:3px solid rgba(45,212,191,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,91,85,.22);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,91,85,.3);}
.btn-accent{background:var(--grad-accent);color:#3a1b00;box-shadow:0 10px 24px rgba(242,140,40,.28);}
.btn-accent:hover{color:#3a1b00;transform:translateY(-2px);box-shadow:0 16px 34px rgba(242,140,40,.34);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:#E7F6F2;color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn:active{transform:scale(.98);}
.text-link{color:var(--brand);font-weight:700;text-decoration:underline;text-underline-offset:4px;}
.text-link:hover{color:var(--accent);}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;}
.topbar{background:rgba(246,244,239,.95);border-bottom:1px solid var(--border);backdrop-filter:saturate(150%) blur(8px);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;padding-top:8px;padding-bottom:8px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-badge{
  width:40px;height:40px;flex:0 0 40px;border-radius:14px;
  background:var(--grad);color:#fff;font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,91,85,.28);font-variant-numeric:tabular-nums;
}
.brand-name{display:block;font-size:17px;font-weight:800;line-height:1.2;}
.brand-sub{display:block;font-size:12px;color:var(--muted);letter-spacing:.16em;}
.topbar-tools{display:flex;align-items:center;gap:12px;}
.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--border);border-radius:999px;padding:4px 6px 4px 16px;}
.nav-search input{border:0;outline:0;background:transparent;width:190px;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:#9AA9A4;}
.nav-search button{width:32px;height:32px;border:0;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;}
.nav-search button:hover{background:var(--accent);}
.nav-toggle{display:none;border:1px solid var(--border);background:#fff;color:var(--brand);font-size:14px;font-weight:700;border-radius:999px;padding:9px 16px;}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}
.navbar{background:rgba(255,255,255,.96);border-bottom:1px solid var(--border);box-shadow:0 6px 18px rgba(15,91,85,.06);}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:48px;}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:700;color:var(--text);
}
.nav-link:hover{background:#E7F6F2;color:var(--brand);}
.nav-link.is-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(15,91,85,.22);}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hotwords-label{font-size:12px;color:var(--muted);letter-spacing:.08em;}
.hotword{
  font-size:13px;padding:5px 12px;border-radius:999px;background:#EAF7F4;
  color:var(--brand);border:1px solid transparent;
}
.hotword:hover{border-color:var(--accent);color:var(--accent);background:#fff;}

/* 文章头部 */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(10,47,43,.94) 0%,rgba(15,91,85,.9) 45%,rgba(18,140,126,.86) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  padding:56px 0 60px;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.34),rgba(45,212,191,0) 66%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;margin-bottom:20px;color:rgba(255,255,255,.82);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--accent-2);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#8ff0e0;font-weight:700;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(45,212,191,.18);color:#9DF3E5;border:1px solid rgba(45,212,191,.5);
}
.article-hero h1{color:#fff;margin:18px 0 18px;max-width:900px;}
.meta-row{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:rgba(255,255,255,.85);margin-bottom:20px;}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.lede{
  max-width:880px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.92);
  background:rgba(10,47,43,.34);border-left:4px solid var(--accent);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:16px 20px;margin:0;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge-card{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.12);
  border:1px solid rgba(45,212,191,.5);color:#fff;font-size:14px;
}
.badge-card b{font-size:18px;color:var(--accent-2);font-variant-numeric:tabular-nums;}

/* 主体布局 */
.article-wrap{padding:64px 0 76px;}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start;}
.article-main{min-width:0;}
.cover-figure{margin:0 0 32px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.cover-figure:hover img{transform:scale(1.02);}
.cover-figure figcaption{font-size:13px;color:var(--muted);padding:12px 18px;background:#fff;}

.article-body{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-xl);
  padding:38px 42px;box-shadow:var(--shadow);
  font-size:17.5px;line-height:1.9;color:var(--text);
}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:18px;font-size:clamp(1.35rem,2.1vw,1.75rem);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:5px;border-radius:999px;background:var(--grad);
}
.article-body h3{margin:30px 0 12px;color:var(--brand);font-size:1.24rem;}
.article-body h4{margin:24px 0 10px;font-size:1.08rem;color:var(--text);}
.article-body p{margin:0 0 18px;color:#22332F;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px;}
.article-body li{margin-bottom:10px;color:#22332F;}
.article-body ul>li::marker{color:var(--brand-3);font-size:1.05em;}
.article-body ol>li::marker{color:var(--accent);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.article-body a:hover{color:var(--accent);}
.article-body img{border-radius:var(--radius-sm);margin:22px auto;box-shadow:var(--shadow);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:#EAF7F4;border-left:5px solid var(--brand-3);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#1C3B37;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;border-radius:var(--radius-sm);overflow:hidden;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:#EAF7F4;color:var(--brand);font-weight:700;}
.article-body tr:nth-child(even) td{background:#FBFBF8;}
.table-scroll{overflow-x:auto;margin:24px 0;border-radius:var(--radius-sm);border:1px solid var(--border);}
.table-scroll table{margin:0;border:0;}
.article-body code{background:#EFF5F3;border-radius:6px;padding:2px 7px;font-size:.92em;color:#0F5B55;}
.article-body hr{border:0;height:1px;background:var(--border);margin:34px 0;}

/* 正文内 CTA */
.inline-cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin:34px 0;padding:22px 26px;border-radius:var(--radius-md);
  background:linear-gradient(120deg,rgba(15,91,85,.08),rgba(45,212,191,.14));
  border:1px solid rgba(45,212,191,.45);
}
.inline-cta strong{font-size:16.5px;color:var(--brand);display:block;}
.inline-cta span{font-size:14px;color:var(--muted);}

/* 空态 */
.empty-state{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius-xl);
  padding:56px 30px;text-align:center;box-shadow:var(--shadow);
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;
}
.empty-state h2{font-size:1.35rem;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* 侧栏 */
.article-side{position:sticky;top:120px;display:flex;flex-direction:column;gap:22px;min-width:0;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:22px 22px 20px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:1.05rem;margin-bottom:16px;padding-bottom:12px;
  border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px;
}
.side-card h3 i{color:var(--brand-3);}
.side-list{list-style:none;padding:0;margin:0;}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--border);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{display:flex;gap:10px;font-size:15px;font-weight:600;color:var(--text);line-height:1.6;}
.side-list a:hover{color:var(--accent);}
.side-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:#EAF7F4;color:var(--brand);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px;
  font-variant-numeric:tabular-nums;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag{
  display:inline-block;padding:6px 13px;border-radius:999px;font-size:13px;
  background:#EAF7F4;color:var(--brand);border:1px solid transparent;
}
.tag:hover{border-color:var(--accent);color:var(--accent);background:#fff;}
.side-cta{
  background:var(--grad);color:#fff;border-radius:var(--radius-lg);padding:24px 22px;
  box-shadow:0 14px 32px rgba(15,91,85,.24);
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.28);}
.side-cta h3 i{color:var(--accent-2);}
.side-cta p{font-size:14.5px;color:rgba(255,255,255,.9);margin-bottom:16px;}
.side-cta .btn{width:100%;}
.fact-list{list-style:none;padding:0;margin:0;}
.fact-list li{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding:9px 0;border-bottom:1px dashed var(--border);}
.fact-list li:last-child{border-bottom:0;}
.fact-list b{color:var(--brand);font-variant-numeric:tabular-nums;}

/* 相关推荐 */
.related{padding:0 0 76px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.section-head h2{position:relative;padding-left:18px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:5px;border-radius:999px;background:var(--grad);
}
.section-head p{margin:6px 0 0;color:var(--muted);font-size:15px;padding-left:18px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(45,212,191,.6);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .chip{position:absolute;left:14px;top:14px;background:rgba(10,47,43,.72);color:#9DF3E5;border-color:rgba(45,212,191,.55);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.card-body h3{font-size:1.1rem;line-height:1.5;}
.card-body p{font-size:14.5px;color:var(--muted);margin:0;flex:1 1 auto;}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--border);padding-top:12px;}
.card-meta .arrow{color:var(--brand);font-weight:700;}

/* 底部 CTA */
.cta-band{padding:0 0 80px;}
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);color:#fff;
  background-image:linear-gradient(120deg,rgba(10,47,43,.95),rgba(15,91,85,.9) 52%,rgba(18,140,126,.88)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:44px 46px;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:32px;align-items:center;
  box-shadow:0 20px 46px rgba(15,91,85,.26);
}
.cta-panel h2{color:#fff;margin-bottom:12px;}
.cta-panel p{color:rgba(255,255,255,.9);margin-bottom:0;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* FAQ */
.faq-block{padding:0 0 76px;}
.faq-list{display:grid;gap:14px;}
details.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 22px;box-shadow:var(--shadow);transition:border-color .25s ease,box-shadow .25s ease;
}
details.faq-item[open]{border-color:rgba(45,212,191,.6);box-shadow:0 14px 34px rgba(15,91,85,.12);position:relative;}
details.faq-item[open]::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:5px;border-radius:999px;background:var(--grad);
}
details.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0 18px 16px;
  font-size:17px;font-weight:700;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:16px;
}
details.faq-item summary::-webkit-details-marker{display:none;}
details.faq-item summary .sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:#EAF7F4;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;transition:background .25s ease,color .25s ease;
}
details.faq-item[open] summary .sign{background:var(--accent);color:#fff;}
details.faq-item[open] summary .sign::before{content:"−";}
details.faq-item summary .sign::before{content:"+";}
.faq-answer{padding:0 0 20px 16px;color:#31413D;font-size:15.5px;line-height:1.85;}

/* 页脚 */
.site-footer{background:var(--dark);color:#E8F4F1;padding:60px 0 26px;margin-top:auto;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.6fr) minmax(0,2.6fr) minmax(0,2.6fr);gap:34px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand strong{font-size:17px;color:#fff;}
.site-footer p{color:rgba(232,244,241,.78);font-size:14.5px;line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;letter-spacing:.05em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(232,244,241,.82);font-size:14.5px;}
.footer-links a:hover{color:var(--accent-2);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(232,244,241,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(232,244,241,.68);
}

/* 响应式 */
@media screen and (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;}
  .article-side{position:static;top:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:minmax(0,1fr);}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .article-body{padding:30px 28px;}
}
@media screen and (max-width:860px){
  .nav-search input{width:130px;}
  .hotwords{display:none;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .topbar-inner{min-height:52px;}
  .nav-toggle{display:inline-flex;align-items:center;}
  .topbar-tools .btn-sm{display:none;}
  .nav-links{
    display:none;width:100%;flex-direction:column;align-items:stretch;gap:6px;padding:10px 0 14px;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 16px;border-radius:14px;background:#F1F7F5;}
  .navbar-inner{flex-wrap:wrap;min-height:auto;padding-top:8px;padding-bottom:8px;}
  .navbar-inner{align-items:flex-start;}
  .article-hero{padding:40px 0 46px;}
  .article-wrap{padding:44px 0 56px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-panel{padding:32px 24px;}
}
@media screen and (max-width:520px){
  h1{font-size:1.7rem;}
  .brand-sub{display:none;}
  .brand-name{font-size:15.5px;}
  .brand-badge{width:36px;height:36px;flex:0 0 36px;font-size:18px;border-radius:12px;}
  .nav-search{display:none;}
  .article-body{padding:24px 18px;font-size:16.5px;border-radius:var(--radius-md);}
  .article-body h2{padding-left:14px;}
  .lede{font-size:15.5px;padding:14px 16px;}
  .meta-row{gap:12px;font-size:13px;}
  .hero-badges{gap:9px;}
  .badge-card{padding:8px 14px;font-size:13px;}
  .cta-actions .btn{width:100%;}
  .side-card{padding:18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#0F5B55;
  --brand-2:#128C7E;
  --accent:#2DD4BF;
  --orange:#F28C28;
  --orange-2:#FFB347;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --border:#DDE5E0;
  --text:#14211F;
  --muted:#5E6F6A;
  --dark:#0A2F2B;
  --grad:linear-gradient(120deg,#0F5B55 0%,#128C7E 48%,#2DD4BF 100%);
  --grad-warm:linear-gradient(120deg,#F28C28 0%,#FFB347 100%);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:16px;
  --shadow:0 8px 24px rgba(15,91,85,.08);
  --shadow-hover:0 16px 40px rgba(15,91,85,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover,a:focus{color:var(--orange);}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);font-family:var(--font);letter-spacing:.2px;}
p{margin:0 0 1em;}
ul{margin:0 0 1em;padding-left:1.15em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(45,212,191,.45);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1280px;padding-left:20px;padding-right:20px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.container{max-width:1280px;margin:0 auto;padding:0 20px;width:100%;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,244,239,.94);backdrop-filter:blur(10px);box-shadow:0 2px 14px rgba(15,91,85,.08);}
.topbar{border-bottom:1px solid rgba(221,229,224,.9);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:62px;padding:8px 20px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-badge{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:22px;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px rgba(15,91,85,.28);
}
.brand-name{display:block;font-size:18px;font-weight:800;line-height:1.2;letter-spacing:.2px;}
.brand-sub{display:block;font-size:12px;color:var(--muted);line-height:1.4;letter-spacing:.6px;}
.topbar-tools{display:flex;align-items:center;gap:12px;}
.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--border);border-radius:999px;padding:4px 6px 4px 16px;min-width:250px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(45,212,191,.22);}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;color:var(--text);width:100%;padding:6px 0;font-family:inherit;}
.nav-search input::placeholder{color:#9AA9A4;}
.nav-search button{width:32px;height:32px;flex:0 0 32px;border:0;border-radius:999px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s ease;}
.nav-search button:hover{transform:translateY(-1px);}
.nav-toggle{display:none;border:1px solid var(--border);background:#fff;color:var(--brand);font-size:14px;font-weight:600;border-radius:999px;padding:8px 16px;cursor:pointer;}
.nav-toggle:hover{border-color:var(--accent);color:var(--orange);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:700;font-size:15px;padding:12px 24px;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .25s ease,color .2s ease,border-color .2s ease;}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(15,91,85,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,91,85,.3);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(15,91,85,.35);}
.btn-ghost:hover{background:#E8F6F3;color:var(--brand);border-color:var(--accent);transform:translateY(-2px);}
.btn-warm{background:var(--grad-warm);color:#fff;box-shadow:0 8px 20px rgba(242,140,40,.28);}
.btn-warm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(242,140,40,.34);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16.5px;}
.navbar{border-bottom:1px solid rgba(221,229,224,.9);}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;padding:0 20px;}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{position:relative;display:inline-block;padding:12px 14px;font-size:15.5px;font-weight:600;color:var(--text);border-radius:12px;}
.nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:3px;border-radius:999px;background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-link:hover{color:var(--brand);background:rgba(45,212,191,.1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{transform:scaleX(1);}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hotwords-label{font-size:12.5px;color:var(--muted);letter-spacing:.6px;}
.hotword{font-size:13px;padding:5px 12px;border-radius:999px;background:#EAF4F1;color:var(--brand);border:1px solid transparent;transition:all .2s ease;}
.hotword:hover{border-color:var(--orange);color:var(--orange);background:#fff;}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:var(--grad);}
.page-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;opacity:.22;mix-blend-mode:luminosity;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,47,43,.86) 0%,rgba(10,47,43,.58) 58%,rgba(10,47,43,.34) 100%);}
.page-hero .container{position:relative;z-index:2;padding-top:34px;padding-bottom:44px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(232,244,241,.82);margin-bottom:18px;}
.breadcrumb a{color:rgba(232,244,241,.82);}
.breadcrumb a:hover{color:var(--orange-2);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:#7FF3E0;font-weight:600;}
.page-hero h1{color:#fff;font-size:clamp(1.85rem,3.4vw,2.7rem);font-weight:800;line-height:1.2;max-width:22ch;margin-bottom:14px;}
.page-hero .hero-desc{max-width:64ch;color:rgba(232,244,241,.92);font-size:16.5px;margin-bottom:22px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge-stat{display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(45,212,191,.55);backdrop-filter:blur(4px);}
.badge-stat b{font-size:20px;font-weight:800;color:var(--orange-2);font-variant-numeric:tabular-nums;}
.badge-stat span{font-size:13.5px;color:#E8F4F1;}

/* ---------- 主体 ---------- */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.side-nav{position:sticky;top:144px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 18px;box-shadow:var(--shadow);}
.side-nav h3{font-size:15px;color:var(--muted);letter-spacing:1px;font-weight:700;margin-bottom:14px;}
.side-nav ul{list-style:none;padding:0;margin:0;}
.side-nav li{margin-bottom:6px;}
.side-nav a{display:block;padding:10px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text);border-left:3px solid transparent;}
.side-nav a:hover{background:#EAF4F1;color:var(--brand);border-left-color:var(--accent);}
.side-nav a.is-current{background:linear-gradient(120deg,rgba(15,91,85,.1),rgba(45,212,191,.14));color:var(--brand);border-left-color:var(--brand);}
.side-note{margin-top:18px;padding-top:16px;border-top:1px dashed var(--border);font-size:13.5px;color:var(--muted);line-height:1.7;}
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px;}
.filter-bar .label{font-size:13.5px;color:var(--muted);margin-right:4px;}
.chip{padding:8px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text);font-weight:600;cursor:pointer;transition:all .2s ease;}
.chip:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px);}
.chip.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(15,91,85,.22);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.4rem,2.2vw,1.85rem);font-weight:800;position:relative;padding-left:16px;margin:0;}
.section-head h2::before{content:"";position:absolute;left:0;top:.25em;bottom:.2em;width:5px;border-radius:999px;background:var(--grad);}
.section-head p{margin:0;color:var(--muted);font-size:14.5px;}
.link-more{font-size:14.5px;font-weight:700;text-decoration:underline;text-underline-offset:4px;}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.entry-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(45,212,191,.6);}
.entry-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .thumb img{transform:scale(1.04);}
.entry-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,47,43,0) 40%,rgba(10,47,43,.55) 100%);}
.entry-card .tag{position:absolute;left:14px;bottom:14px;z-index:2;font-size:12.5px;font-weight:700;color:var(--brand);background:rgba(255,255,255,.94);padding:5px 12px;border-radius:999px;}
.entry-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.entry-card h3{font-size:18.5px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.entry-card p{font-size:14.8px;color:var(--muted);line-height:1.75;margin-bottom:16px;flex:1;}
.meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.meta .dot{width:5px;height:5px;border-radius:50%;background:var(--accent);display:inline-block;}
.read-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;margin-left:auto;}
.read-link svg{transition:transform .2s ease;}
.entry-card:hover .read-link svg{transform:translateX(4px);}

/* 清单块 */
.check-panel{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow);margin-bottom:28px;}
.check-panel h3{font-size:17.5px;margin-bottom:14px;}
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{position:relative;padding-left:30px;font-size:15px;color:var(--text);line-height:1.8;}
.check-list li::before{content:"";position:absolute;left:0;top:.55em;width:14px;height:14px;border-radius:50%;background:linear-gradient(120deg,rgba(15,91,85,.16),rgba(45,212,191,.5));border:1px solid var(--accent);}
.check-list li strong{color:var(--brand);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:14px;overflow:hidden;position:relative;transition:border-color .25s ease,box-shadow .25s ease;}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform .3s ease;}
.faq-item.is-open{border-color:rgba(45,212,191,.7);box-shadow:var(--shadow);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;background:transparent;border:0;padding:20px 22px;font-size:17.5px;font-weight:700;color:var(--text);cursor:pointer;font-family:inherit;}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;width:24px;height:24px;flex:0 0 24px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--orange);border-radius:2px;transition:transform .3s ease,opacity .3s ease;}
.faq-icon::before{left:4px;right:4px;top:11px;height:2.5px;}
.faq-icon::after{top:4px;bottom:4px;left:11px;width:2.5px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{border-radius:var(--radius-lg);background:var(--grad);color:#fff;padding:40px 38px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;box-shadow:0 18px 44px rgba(15,91,85,.24);position:relative;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.09);}
.cta-band h2{color:#fff;font-size:clamp(1.35rem,2.2vw,1.75rem);margin-bottom:8px;position:relative;z-index:2;}
.cta-band p{color:rgba(232,244,241,.9);margin:0;max-width:56ch;font-size:15.5px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#E8F4F1;margin-top:20px;padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-badge{box-shadow:none;}
.footer-brand strong{font-size:17px;font-weight:800;color:#fff;}
.site-footer p{color:rgba(232,244,241,.72);font-size:14.5px;line-height:1.85;margin:0;max-width:44ch;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(232,244,241,.76);font-size:14.5px;}
.footer-links a:hover{color:var(--orange-2);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(232,244,241,.16);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:rgba(232,244,241,.6);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .section{padding:62px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .side-nav{position:static;}
}
@media screen and (max-width:900px){
  .topbar-inner{flex-wrap:wrap;gap:12px;}
  .nav-search{min-width:180px;flex:1;}
  .nav-toggle{display:inline-flex;}
  .navbar-inner{flex-direction:column;align-items:stretch;gap:8px;padding-bottom:10px;}
  .nav-links{display:none;flex-direction:column;align-items:stretch;gap:2px;padding:6px 0 10px;}
  .nav-links.is-open{display:flex;}
  .nav-link{padding:12px 10px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(45,212,191,.14);}
  .hotwords{overflow-x:auto;padding-bottom:6px;flex-wrap:nowrap;white-space:nowrap;}
  .hotwords::-webkit-scrollbar{height:4px;}
  .hotwords::-webkit-scrollbar-thumb{background:rgba(15,91,85,.25);border-radius:999px;}
}
@media screen and (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .grid-margin-x{margin-left:-8px;margin-right:-8px;}
  .grid-margin-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .topbar-tools{width:100%;justify-content:space-between;}
  .topbar-tools .btn-sm{display:none;}
  .nav-search{order:3;min-width:0;}
  .page-hero .container{padding-top:26px;padding-bottom:34px;}
  .cta-band{padding:30px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16.5px;padding:18px;}
  .faq-a p{padding:0 18px 18px;}
  .check-panel{padding:22px 18px;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:16px;}
  .brand-badge{width:38px;height:38px;flex:0 0 38px;font-size:20px;}
  .page-hero h1{max-width:none;}
  .badge-stat{padding:8px 14px;}
  .badge-stat b{font-size:18px;}
  .entry-card .body{padding:18px;}
}

/* roulang page: category2 */
:root{
  --brand:#0F5B55;
  --brand-2:#128C7E;
  --brand-3:#2DD4BF;
  --accent:#F28C28;
  --accent-2:#FFB347;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#DDE5E0;
  --ink:#14211F;
  --muted:#5E6F6A;
  --dark:#0A2F2B;
  --grad:linear-gradient(120deg,#0F5B55 0%,#128C7E 48%,#2DD4BF 100%);
  --grad-warm:linear-gradient(120deg,#F28C28 0%,#FFB347 100%);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:16px;
  --shadow:0 8px 24px rgba(15,91,85,.08);
  --shadow-hover:0 16px 40px rgba(15,91,85,.16);
  --sp-section:100px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","HarmonyOS Sans SC",system-ui,-apple-system,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(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.1em;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(45,212,191,.45);border-radius:10px;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;line-height:1.3;}
.section-head p{color:var(--muted);font-size:15px;margin-top:8px;max-width:660px;}
.section-head .head-link{font-weight:600;white-space:nowrap;border-bottom:2px solid transparent;color:var(--brand);}
.section-head .head-link:hover{border-color:var(--accent);color:var(--accent);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-2);
  background:rgba(45,212,191,.14);border:1px solid rgba(45,212,191,.45);
  padding:5px 14px;border-radius:999px;
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,244,239,.92);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 14px rgba(15,91,85,.05);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:64px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-badge{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;font-size:20px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(15,91,85,.28);
}
.brand-name{display:block;font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.25;}
.brand-sub{display:block;font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.topbar-tools{display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px 4px 4px 16px;transition:border-color .2s ease,box-shadow .2s ease;}
.nav-search:focus-within{border-color:var(--brand-3);box-shadow:0 0 0 4px rgba(45,212,191,.18);}
.nav-search input[type="search"]{
  border:none;background:transparent;outline:none;font-size:14px;color:var(--ink);
  width:200px;padding:8px 0;
}
.nav-search input::placeholder{color:#93A29C;}
.nav-search button{
  width:34px;height:34px;border:none;border-radius:999px;cursor:pointer;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-search button:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(15,91,85,.25);}
.nav-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:14px;font-weight:700;padding:9px 16px;border-radius:999px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--accent);color:var(--accent);}
.navbar{border-top:1px solid var(--line);background:rgba(255,255,255,.55);}
.navbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:56px;}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;}
.nav-link{
  position:relative;display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--muted);
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(45,212,191,.14);color:var(--brand);}
.nav-link.is-active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(15,91,85,.22);}
.nav-link.is-active:hover{color:#fff;}
.hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.hotwords-label{font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
.hotword{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-2);
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.hotword:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,91,85,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(15,91,85,.3);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:rgba(45,212,191,.14);color:var(--brand);transform:translateY(-2px);}
.btn-warm{background:var(--grad-warm);color:#fff;box-shadow:0 10px 24px rgba(242,140,40,.28);}
.btn-warm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(242,140,40,.34);}
.btn-sm{padding:11px 20px;font-size:14px;}

/* ============ Page hero ============ */
.page-hero{
  position:relative;overflow:hidden;min-height:480px;
  background-image:linear-gradient(120deg,rgba(10,47,43,.94) 0%,rgba(15,91,85,.88) 52%,rgba(18,140,126,.82) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 0 66px;
  border-bottom-left-radius:32px;border-bottom-right-radius:32px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.32) 0%,rgba(45,212,191,0) 70%);
  pointer-events:none;
}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:rgba(232,244,241,.78);margin-bottom:26px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(232,244,241,.85);}
.breadcrumb a:hover{color:var(--accent-2);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:700;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.95fr);gap:40px;align-items:center;position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;color:#D7FFF6;
  background:rgba(45,212,191,.18);border:1px solid rgba(45,212,191,.5);
}
.page-hero h1{
  font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800;line-height:1.16;
  margin:18px 0 16px;letter-spacing:.01em;
}
.page-hero h1 em{font-style:normal;background:var(--grad-warm);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:16.5px;line-height:1.85;color:rgba(232,244,241,.9);max-width:620px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px;}
.hero-panel{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(6px);
}
.hero-panel h2{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.hero-steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.hero-steps li{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(10,47,43,.42);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-sm);padding:12px 14px;
}
.hero-steps .num{
  flex:0 0 28px;width:28px;height:28px;border-radius:999px;background:var(--grad-warm);
  color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;
}
.hero-steps strong{display:block;font-size:14.5px;color:#fff;}
.hero-steps span{font-size:13px;color:rgba(232,244,241,.78);line-height:1.6;}
.badge-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px;position:relative;z-index:2;}
.stat{
  display:flex;flex-direction:column;gap:2px;min-width:132px;
  background:rgba(255,255,255,.94);border-radius:var(--r-sm);padding:14px 18px;
  box-shadow:0 10px 26px rgba(5,32,29,.22);
  border:1px solid rgba(45,212,191,.5);
}
.stat b{font-size:24px;font-weight:800;color:var(--accent);line-height:1.1;}
.stat span{font-size:13px;color:var(--muted);}

/* ============ Steps timeline ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 22px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(45,212,191,.7);}
.step-card .step-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  font-size:19px;font-weight:800;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(15,91,85,.24);margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.step-card .step-line{
  position:absolute;left:26px;right:26px;bottom:0;height:3px;border-radius:3px;
  background:var(--grad-warm);opacity:0;transition:opacity .22s ease;
}
.step-card:hover .step-line{opacity:1;}

/* ============ Split content ============ */
.split-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:34px;align-items:start;}
.content-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--shadow);
}
.content-card h2{
  font-size:clamp(1.3rem,2vw,1.65rem);font-weight:700;line-height:1.4;
  padding-left:16px;position:relative;margin:0 0 18px;
}
.content-card h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad);
}
.content-card h3{font-size:1.12rem;font-weight:700;color:var(--brand);margin:28px 0 10px;}
.content-card p{font-size:17px;line-height:1.9;color:#26332F;margin-bottom:14px;}
.content-card ul{margin:6px 0 14px;padding-left:0;list-style:none;}
.content-card ul li{position:relative;padding-left:20px;font-size:16.5px;line-height:1.9;color:#26332F;margin-bottom:8px;}
.content-card ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--brand-2);
}
.note{
  background:rgba(45,212,191,.1);border-left:4px solid var(--brand-3);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:16px 20px;margin:22px 0;
  font-size:15.5px;line-height:1.85;color:#20423C;
}
.figure{margin:26px 0;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
.figure img{width:100%;height:auto;object-fit:cover;aspect-ratio:16/9;transition:transform .4s ease;}
.figure:hover img{transform:scale(1.03);}
.figure figcaption{font-size:13px;color:var(--muted);padding:10px 14px;background:#fff;}

/* ============ Side column ============ */
.side-col{position:sticky;top:96px;display:grid;gap:22px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);}
.side-card h3{font-size:16.5px;font-weight:700;margin-bottom:14px;padding-left:12px;position:relative;}
.side-card h3::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:3px;background:var(--grad-warm);}
.fact-list{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.fact-list li{display:flex;justify-content:space-between;gap:12px;font-size:14.5px;padding-bottom:11px;border-bottom:1px dashed var(--line);}
.fact-list li:last-child{border-bottom:none;padding-bottom:0;}
.fact-list .k{color:var(--muted);}
.fact-list .v{font-weight:700;color:var(--brand);text-align:right;}
.entry-links{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.entry-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14.5px;font-weight:600;padding:12px 15px;border-radius:var(--r-sm);
  background:rgba(45,212,191,.1);border:1px solid rgba(45,212,191,.4);color:var(--brand);
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.entry-links a:hover{background:#fff;border-color:var(--accent);color:var(--accent);transform:translateX(3px);}
.mini-faq{display:grid;gap:14px;}
.mini-faq .item{padding-left:14px;border-left:3px solid rgba(45,212,191,.6);}
.mini-faq strong{display:block;font-size:14.5px;margin-bottom:4px;}
.mini-faq span{font-size:13.5px;color:var(--muted);line-height:1.75;}
.side-thumb{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
.side-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(45,212,191,.7);}
.faq-item[open]{border-color:rgba(242,140,40,.6);box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17.5px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .mark{
  flex:0 0 30px;width:30px;height:30px;border-radius:999px;border:1px solid rgba(45,212,191,.55);
  color:var(--brand-2);display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.faq-item[open] summary .mark{background:var(--grad-warm);border-color:transparent;color:#fff;}
.faq-item[open] summary .mark::after{content:"−";}
.faq-item summary .mark::after{content:"+";}
.faq-item .answer{padding:0 22px 22px;font-size:16px;line-height:1.85;color:#31403C;border-left:4px solid transparent;}
.faq-item[open] .answer{border-left-color:var(--brand-3);}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:32px;background:var(--grad);color:#fff;
  padding:52px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
  box-shadow:0 22px 50px rgba(15,91,85,.26);
}
.cta-panel::after{
  content:"";position:absolute;left:-80px;top:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 70%);
}
.cta-panel h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;line-height:1.3;margin-bottom:14px;}
.cta-panel p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.92);position:relative;z-index:2;}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.96);border-radius:var(--r-md);padding:26px;box-shadow:0 16px 36px rgba(0,0,0,.16);}
.cta-form label{display:block;font-size:13.5px;font-weight:700;color:var(--brand);margin-bottom:6px;}
.cta-form input[type="text"],.cta-form input[type="email"]{
  width:100%;padding:13px 15px;font-size:15px;color:var(--ink);
  border:1px solid var(--line);border-radius:12px;background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;margin-bottom:14px;
}
.cta-form input:focus{border-color:var(--brand-3);box-shadow:0 0 0 4px rgba(45,212,191,.2);}
.cta-form .btn{width:100%;}
.cta-form .tip{font-size:12.5px;color:var(--muted);line-height:1.7;margin-top:12px;}
.cta-form .check{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;color:var(--muted);margin:6px 0 16px;line-height:1.6;}
.cta-form .check input{margin-top:3px;accent-color:var(--brand-2);}
.form-msg{font-size:13px;margin-top:10px;display:none;}
.form-msg.is-ok{display:block;color:var(--brand);font-weight:700;}
.form-msg.is-err{display:block;color:var(--accent);font-weight:700;}

/* ============ Footer ============ */
.site-footer{background:var(--dark);color:#E8F4F1;margin-top:var(--sp-section);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:34px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand strong{font-size:17px;color:#fff;letter-spacing:.01em;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(232,244,241,.75);max-width:380px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{font-size:14px;color:rgba(232,244,241,.8);transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--accent-2);padding-left:4px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(232,244,241,.16);padding:22px 0 28px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,244,241,.65);
}

/* ============ Responsive ============ */
@media screen and (max-width:1024px){
  :root{--sp-section:76px;}
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .split-grid{grid-template-columns:1fr;}
  .side-col{position:static;}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .nav-search input[type="search"]{width:150px;}
}
@media screen and (max-width:768px){
  :root{--sp-section:60px;}
  .container{padding:0 18px;}
  .topbar-inner{min-height:60px;gap:12px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;}
  .navbar-inner{flex-direction:column;align-items:stretch;gap:0;padding:0 18px;}
  .nav-links{
    display:none;flex-direction:column;align-items:stretch;gap:6px;padding:12px 0 14px;
  }
  .navbar.is-open .nav-links{display:flex;}
  .nav-link{padding:12px 16px;border-radius:14px;background:#fff;border:1px solid var(--line);}
  .nav-link.is-active{border-color:transparent;}
  .hotwords{display:none;}
  .page-hero{min-height:auto;padding:40px 0 50px;border-bottom-left-radius:24px;border-bottom-right-radius:24px;}
  .badge-row{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;-webkit-overflow-scrolling:touch;}
  .stat{flex:0 0 auto;}
  .content-card{padding:24px;}
  .content-card p,.content-card ul li{font-size:16px;}
  .cta-panel{grid-template-columns:1fr;padding:30px 22px;border-radius:24px;gap:26px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:15px;}
  .brand-sub{display:none;}
  .brand-badge{width:38px;height:38px;flex:0 0 38px;font-size:18px;border-radius:12px;}
  .steps-grid{grid-template-columns:1fr;}
  .page-hero h1{font-size:1.65rem;}
  .hero-actions .btn{width:100%;}
  .faq-item summary{font-size:16px;padding:17px 16px;}
  .faq-item .answer{padding:0 16px 18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}