/* roulang page: index */
:root{
  --brand:#0E9E86;
  --brand-deep:#086A5A;
  --brand-light:#D6F5EE;
  --accent:#FF6A3D;
  --data:#FFC24B;
  --ink:#0C1C1A;
  --ink-2:#33443F;
  --muted:#6B7C77;
  --line:#E3EAE7;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --radius-card:20px;
  --radius-hero:28px;
  --radius-field:12px;
  --shadow-soft:0 8px 24px rgba(12,28,26,.06);
  --shadow-lift:0 16px 40px rgba(12,28,26,.12);
  --grad-brand:linear-gradient(120deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
  --grad-dark:linear-gradient(160deg,#0C1C1A,#123B33);
  --nav-h:72px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  padding-top:var(--nav-h);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{padding-left:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;height:var(--nav-h);z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 18px rgba(12,28,26,.07)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--nav-h)}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:18px;
  box-shadow:0 6px 16px rgba(14,158,134,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:.02em}
.logo-text span{font-size:12px;color:var(--muted);font-weight:500}
.nav-links{display:none;align-items:center;gap:26px}
@media (min-width:768px){.nav-links{display:flex}}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:8px 0;transition:color .2s}
.nav-link:hover{color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-secondary{display:none}
@media (min-width:992px){.nav-secondary{display:inline-flex}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:0;cursor:pointer;
  font-size:15px;font-weight:600;transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,filter .2s ease-out;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#FF6A3D,#FF8A5B);color:#fff;
  box-shadow:0 8px 20px rgba(255,106,61,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,61,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,106,61,.26)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:var(--brand-light)}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(14,158,134,.26)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(14,158,134,.3);filter:brightness(1.04)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep)}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:420px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--radius-hero) var(--radius-hero);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,28,26,.94) 0%,rgba(12,28,26,.74) 42%,rgba(12,28,26,.26) 100%);
}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px}
@media (min-width:768px){.hero{min-height:560px}.hero-inner{padding:88px 0 72px}}
.hero-grid{display:grid;gap:36px}
@media (min-width:992px){.hero-grid{grid-template-columns:1.15fr .85fr;align-items:center;gap:48px}}
.hero h1{
  font-size:clamp(1.875rem,4vw,3.25rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:0 0 18px;color:#fff;
}
.hero-sub{margin:0 0 22px;font-size:clamp(1rem,1.6vw,1.15rem);color:rgba(255,255,255,.86);max-width:640px}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;font-size:14px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--data);display:inline-block}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.badge-stack{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:992px){.badge-stack{justify-content:flex-end}}
.badge-glass{
  min-width:132px;padding:14px 20px;border-radius:20px;text-align:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.badge-glass .num{display:block;font-size:1.6rem;font-weight:800;line-height:1.2}
.badge-glass small{display:block;font-size:12px;color:rgba(255,255,255,.82);margin-top:2px}

/* ---------- sections ---------- */
.section{padding:52px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-light);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
h2{font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:800;line-height:1.25;letter-spacing:-.01em;margin:0}
.section-note{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:640px}
.section-dark{background:var(--grad-dark);color:#fff;border-radius:var(--radius-hero)}
.section-dark h2{color:#fff}
.section-dark .eyebrow{background:rgba(255,255,255,.14);color:#B9E86A}

/* ---------- stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-soft);
}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{background:#fff;padding:26px 20px;text-align:center}
.stat .num{display:block;font-size:clamp(1.75rem,3vw,2.2rem);font-weight:800;color:var(--brand-deep);line-height:1.2}
.stat span{display:block;margin-top:6px;font-size:14px;color:var(--muted)}

/* ---------- bento ---------- */
.bento{display:grid;gap:24px}
@media (min-width:900px){
  .bento{grid-template-columns:1.45fr .85fr;grid-template-rows:1fr 1fr}
  .bento-main{grid-row:1 / 3}
}
.bento-main{position:relative;border-radius:var(--radius-card);overflow:hidden;min-height:280px;box-shadow:var(--shadow-soft)}
.bento-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.bento-main:hover img{transform:scale(1.03)}
.bento-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px;color:#fff;
  background:linear-gradient(0deg,rgba(12,28,26,.9),rgba(12,28,26,0));
}
.bento-cap h3{margin:0 0 6px;font-size:1.25rem;font-weight:700}
.bento-cap p{margin:0;font-size:14px;color:rgba(255,255,255,.82)}
.side-card{
  background:#fff;border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-soft);
  display:flex;gap:16px;align-items:flex-start;transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.side-icon{
  flex:none;width:46px;height:46px;border-radius:14px;background:var(--brand-light);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;
}
.side-card h3{margin:0 0 4px;font-size:1.05rem;font-weight:700}
.side-card p{margin:0;font-size:14px;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(14,158,134,.12));
}
.tl-item{position:relative;padding:16px 0 16px 32px}
.tl-dot{
  position:absolute;left:7px;top:24px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);transform:translateX(-50%);
}
.tl-time{font-size:14px;font-weight:700;color:var(--brand-deep)}
.tl-item h3{margin:2px 0 4px;font-size:1.05rem;font-weight:700}
.tl-item p{margin:0;font-size:14px;color:var(--muted)}
@media (min-width:768px){
  .timeline::before{left:110px}
  .tl-item{display:grid;grid-template-columns:96px 1fr;gap:28px;padding:18px 0}
  .tl-dot{left:110px;top:26px}
  .tl-time{text-align:right;font-size:15px;padding-top:2px}
  .tl-item h3{font-size:1.1rem}
}

/* ---------- plans ---------- */
.plans{display:grid;gap:24px}
@media (min-width:900px){.plans{grid-template-columns:repeat(3,1fr);align-items:start}}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 24px;
  box-shadow:var(--shadow-soft);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.plan:hover{box-shadow:var(--shadow-lift)}
.plan.featured{
  border-color:var(--brand);background:linear-gradient(180deg,#fff,#F1FBF8);
  box-shadow:var(--shadow-lift);
}
@media (min-width:900px){.plan.featured{transform:translateY(-12px)}}
.plan-tag{
  position:absolute;top:-13px;left:24px;background:var(--brand);color:#fff;font-size:12px;font-weight:600;
  padding:4px 14px;border-radius:999px;box-shadow:0 6px 14px rgba(14,158,134,.3);
}
.plan h3{margin:0 0 6px;font-size:1.25rem;font-weight:700}
.plan .plan-desc{margin:0 0 16px;font-size:14px;color:var(--muted)}
.plan-price{display:flex;align-items:baseline;gap:6px;margin-bottom:4px}
.plan-price .num{font-size:2.4rem;font-weight:800;color:var(--ink);line-height:1}
.plan-price small{font-size:13px;color:var(--muted)}
.plan ul{list-style:none;margin:20px 0 24px;padding:0}
.plan li{display:flex;gap:10px;padding:7px 0;font-size:15px;color:var(--ink-2)}
.plan li svg{flex:none;margin-top:5px}
.plan .btn{width:100%}

/* ---------- post cards ---------- */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  position:relative;background:var(--card);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-soft);transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:3;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.card:hover::before{opacity:1}
.post-link{display:block;height:100%}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.card:hover .post-thumb img{transform:scale(1.03)}
.tag{
  position:absolute;left:14px;top:14px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-deep);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.post-body{padding:20px}
.post-body h3{
  margin:0 0 10px;font-size:1.15rem;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  margin:0 0 16px;font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);
}
.post-foot .arrow{color:var(--brand);font-weight:700}
.empty-state{
  background:#fff;border-radius:var(--radius-card);box-shadow:var(--shadow-soft);
  padding:56px 24px;text-align:center;color:var(--muted);
}
.empty-state svg{margin:0 auto 16px;color:var(--brand)}
.empty-state p{margin:0 0 20px}

/* ---------- quotes ---------- */
.quotes{display:grid;gap:24px}
@media (min-width:900px){.quotes{grid-template-columns:repeat(3,1fr)}}
.quote{
  background:#fff;border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-soft);
  border-left:4px solid var(--brand);
}
.quote p{margin:0 0 16px;font-size:15px;color:var(--ink-2)}
.quote .who{font-size:13px;color:var(--muted)}

/* ---------- cta ---------- */
.cta-band{
  background:var(--grad-dark);border-radius:var(--radius-hero);padding:36px 24px;color:#fff;
  display:grid;gap:36px;
}
@media (min-width:768px){.cta-band{padding:48px 40px}}
@media (min-width:992px){.cta-band{grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-list{list-style:none;margin:22px 0 0;padding:0}
.cta-list li{display:flex;gap:10px;padding:6px 0;font-size:15px;color:rgba(255,255,255,.86)}
.cta-list li i{width:6px;height:6px;border-radius:50%;background:var(--data);margin-top:11px;flex:none}
.form-wrap{background:#fff;border-radius:var(--radius-card);padding:26px;color:var(--ink)}
@media (min-width:768px){.form-wrap{padding:30px}}
.field{display:block;margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-field);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236B7C77' stroke-width='3'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 1px var(--brand);
}
.form-tip{display:none;margin:12px 0 0;font-size:13px;color:var(--brand-deep);background:var(--brand-light);border-radius:10px;padding:10px 14px}
.form-note{margin:14px 0 0;font-size:12px;color:var(--muted);line-height:1.7}

/* ---------- faq ---------- */
.faq-list{margin:0}
.faq-item{background:#fff;border-radius:16px;box-shadow:var(--shadow-soft);margin-bottom:12px;overflow:hidden}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  min-height:44px;padding:15px 20px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;cursor:pointer;
}
.faq-q svg{flex:none;transition:transform .24s ease;color:var(--brand)}
.faq-item.open .faq-q svg{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:420px;padding-bottom:18px}
.faq-a p{margin:0;font-size:15px;color:var(--ink-2)}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-dark);color:#fff;margin-top:56px;padding:56px 0 24px}
@media (min-width:768px){.site-footer{margin-top:88px;padding:64px 0 24px}}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand b{font-size:15px;font-weight:800}
.footer-col p{margin:0 0 10px;font-size:14px;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{margin:0 0 14px;font-size:14px;font-weight:600;color:#fff}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.75);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-light)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:12px;color:rgba(255,255,255,.6);
}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none}
@media (max-width:767px){
  .mobile-tab{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;
    height:calc(60px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:rgba(255,255,255,.96);
    border-top:1px solid var(--line);
    box-shadow:0 -8px 20px rgba(12,28,26,.06);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  }
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);transition:color .2s ease;
}
.tab-item svg{width:24px;height:24px;transition:transform .2s ease}
.tab-item.active{color:var(--brand);font-weight:600}
.tab-item.active svg{transform:translateY(-1px)}

/* roulang page: category1 */
:root{
  --brand:#0E9E86;--brand-deep:#086A5A;--brand-light:#D6F5EE;
  --accent:#FF6A3D;--data:#FFC24B;--ink:#0C1C1A;--ink-2:#33443F;
  --muted:#6B7C77;--line:#E3EAE7;--bg:#F5F7F5;--card:#FFFFFF;
  --radius:20px;--radius-lg:28px;--radius-sm:12px;
  --shadow:0 8px 24px rgba(12,28,26,.06);
  --shadow-hover:0 16px 40px rgba(12,28,26,.12);
  --grad:linear-gradient(120deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
  --grad-dark:linear-gradient(160deg,#0C1C1A,#123B33);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:1rem;line-height:1.8;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(12,28,26,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:1.05rem;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:.95rem;font-weight:800;letter-spacing:.04em}
.logo-text span{font-size:.72rem;color:var(--muted);letter-spacing:.16em}
.nav-links{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;padding:8px 14px;font-size:.9375rem;color:var(--ink-2);
  border-radius:999px;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-light)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-secondary{display:none}
@media(min-width:768px){.nav-links{display:flex}.nav-secondary{display:inline-flex}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;font-size:.9375rem;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(120deg,var(--accent) 0%,#FF8560 45%,var(--brand) 100%);color:#fff;box-shadow:0 10px 24px rgba(255,106,61,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,106,61,.34);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border:1.5px solid var(--brand);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:var(--brand-light)}
.btn-sm{height:40px;padding:0 20px;font-size:.875rem}
.btn-light{background:#fff;color:var(--brand-deep);border:1.5px solid rgba(255,255,255,.7)}
.btn-light:hover{background:var(--brand-light);border-color:var(--brand-light)}
.link-more{color:var(--brand-deep);font-weight:600;font-size:.9375rem}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;margin-top:72px;background:#0C1C1A;display:flex;align-items:center;min-height:420px}
@media(min-width:768px){.page-hero{min-height:520px}}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;transform:scale(1.03)}
.hero-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(12,28,26,.93) 0%,rgba(8,106,90,.72) 48%,rgba(12,28,26,.36) 100%)}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:.8125rem;letter-spacing:.06em;backdrop-filter:blur(8px);
}
.hero-title{
  margin-top:20px;font-size:clamp(1.875rem,4vw,3.25rem);font-weight:800;line-height:1.25;letter-spacing:-.01em;
  max-width:820px;
}
.hero-lead{margin-top:18px;max-width:700px;font-size:1rem;line-height:1.9;color:rgba(255,255,255,.86)}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 18px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  font-size:.875rem;backdrop-filter:blur(8px);
}
.pill b{font-weight:700}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

/* ---------- 导语 ---------- */
.lead-section{padding:52px 0 0}
@media(min-width:768px){.lead-section{padding:72px 0 0}}
.lead-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
@media(min-width:768px){.lead-card{padding:40px}}
.lead-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);opacity:.85}
.lead-card p{font-size:1rem;color:var(--ink-2);line-height:1.95}
.lead-card p + p{margin-top:14px}
.lead-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.mini-badge{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-deep);font-size:.875rem;font-weight:600;
}

/* ---------- 图文交替区 ---------- */
.alt-section{padding:56px 0 8px}
@media(min-width:768px){.alt-section{padding:88px 0 8px}}
.section-head{margin-bottom:36px;max-width:720px}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8125rem;font-weight:600;color:var(--brand-deep);letter-spacing:.1em}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:3px;background:var(--grad)}
.section-title{margin-top:12px;font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:800;line-height:1.25}
.section-desc{margin-top:12px;color:var(--muted);font-size:.9375rem}

.alt-group + .alt-group{margin-top:56px}
@media(min-width:768px){.alt-group + .alt-group{margin-top:72px}}
.alt-row{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media(min-width:900px){
  .alt-row{grid-template-columns:1fr 1fr;gap:56px}
  .alt-row.reverse .alt-media{order:2}
}
.alt-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);background:var(--card)}
.alt-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .25s ease-out}
.alt-media:hover img{transform:scale(1.03)}
.alt-media .step-flag{
  position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);color:var(--brand-deep);font-size:.8125rem;font-weight:700;
}
.alt-body h2{
  font-size:clamp(1.25rem,2vw,1.625rem);font-weight:800;line-height:1.35;
}
.alt-body p{margin-top:14px;color:var(--ink-2);font-size:.9688rem;line-height:1.95}
.check-list{margin-top:20px;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;color:var(--ink-2)}
.check-ico{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand-deep);margin-top:3px;
}
.check-ico svg{width:12px;height:12px}

/* ---------- FAQ ---------- */
.faq-section{padding:56px 0}
@media(min-width:768px){.faq-section{padding:88px 0}}
.faq-list{display:grid;gap:12px;margin-top:32px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:box-shadow .2s ease}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-item.open{box-shadow:var(--shadow);border-color:#CFE7E0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:44px;padding:16px 22px;text-align:left;font-size:1rem;font-weight:600;color:var(--ink);
}
.faq-arrow{flex:0 0 22px;width:22px;height:22px;color:var(--brand);transition:transform .24s ease}
.faq-item.open .faq-arrow{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{padding:0 22px 20px;font-size:.9375rem;line-height:1.9;color:var(--ink-2)}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 56px}
@media(min-width:768px){.cta-section{padding:0 0 88px}}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:34px 28px;color:#fff;
  background:var(--grad-dark);box-shadow:var(--shadow-hover);
  display:flex;flex-direction:column;gap:22px;
}
@media(min-width:900px){.cta-card{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 48px;gap:40px}}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,158,134,.55),transparent 68%);
}
.cta-text{position:relative;z-index:1;max-width:640px}
.cta-text h2{font-size:clamp(1.375rem,2.4vw,1.875rem);font-weight:800;line-height:1.3}
.cta-text p{margin-top:12px;color:rgba(255,255,255,.82);font-size:.9375rem}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:1rem;margin-bottom:14px}
.footer-brand b{font-weight:800}
.footer-col p{font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.7)}
.footer-col h4{color:#fff;font-size:.875rem;font-weight:600;margin-bottom:14px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:.875rem;color:rgba(255,255,255,.75);transition:color .2s ease}
.footer-col ul a:hover{color:#B9E86A}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  text-align:center;font-size:.75rem;color:rgba(255,255,255,.55);
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;align-items:stretch;justify-content:space-around;
  height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(12,28,26,.08);
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);transition:color .2s ease,transform .2s ease;
}
.tab-item svg{width:24px;height:24px}
.tab-item.active{color:var(--brand)}
.tab-item.active svg{transform:translateY(-1px)}
.tab-item:active{transform:translateY(1px)}
@media(min-width:768px){.mobile-tab{display:none}}
@media(max-width:767px){body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}}

/* roulang page: article */
:root{
  --brand:#0E9E86;
  --brand-deep:#086A5A;
  --brand-light:#D6F5EE;
  --accent:#FF6A3D;
  --data:#FFC24B;
  --ink:#0C1C1A;
  --ink-2:#33443F;
  --muted:#6B7C77;
  --line:#E3EAE7;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
  --grad-dark:linear-gradient(160deg,#0C1C1A,#123B33);
  --radius-card:20px;
  --radius-hero:28px;
  --radius-field:12px;
  --shadow-card:0 8px 24px rgba(12,28,26,.06);
  --shadow-lift:0 16px 40px rgba(12,28,26,.12);
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  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}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;white-space:nowrap;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,filter .2s ease-out;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:linear-gradient(120deg,#FF6A3D,#0E9E86);color:#fff;box-shadow:0 8px 24px rgba(255,106,61,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lift);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,106,61,.2)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(12,28,26,.06)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,158,134,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.5px}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:2.5px}
.nav-links{display:none;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .2s ease-out}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-secondary{display:none}
@media (min-width:768px){
  .nav-links{display:flex}
  .nav-secondary{display:inline-flex}
}
@media (max-width:767px){
  .nav-actions .btn-primary{height:38px;padding:0 16px;font-size:13px}
  .logo-text span{letter-spacing:1.5px}
}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  padding:22px 0 0;font-size:13px;color:var(--muted);line-height:1.6;
}
.breadcrumb a{transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C3D1CC}
.breadcrumb .current{color:var(--ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.article-shell{padding:20px 0 76px}
.article-wrap{max-width:800px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-deep);font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.article-head h1{
  font-size:clamp(1.75rem,3.6vw,2.5rem);
  line-height:1.3;font-weight:800;color:var(--ink);
  margin:16px 0 14px;letter-spacing:-.4px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D1CC;display:inline-block}
.article-divider{height:1px;background:var(--line);margin:22px 0 32px}

.article-body{font-size:16.5px;line-height:1.9;color:var(--ink-2)}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:clamp(1.25rem,2.2vw,1.5rem);font-weight:700;color:var(--ink);
  line-height:1.45;margin:2em 0 .8em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,#0E9E86,#B9E86A);
}
.article-body h3{font-size:1.125rem;font-weight:700;color:var(--ink);margin:1.6em 0 .6em;line-height:1.5}
.article-body h4{font-size:1rem;font-weight:700;color:var(--ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.5em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.35em 0}
.article-body li::marker{color:var(--brand)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body img{border-radius:16px;margin:1.3em 0;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:1.4em 0;padding:14px 20px;background:var(--brand-light);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(14,158,134,.4);transition:color .2s ease-out}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(255,106,61,.5)}
.article-body code{background:#EEF4F2;padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--brand-deep)}
.article-body pre{background:#0F2622;color:#DCEDE8;padding:18px 20px;border-radius:16px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.3em 0}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:#F1F6F4;color:var(--ink);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0}

.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-light)}
.back-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:26px;
  font-size:14px;font-weight:600;color:var(--brand-deep);transition:color .2s ease-out;
}
.back-link svg{width:16px;height:16px;transition:transform .2s ease-out}
.back-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}
.back-link:hover svg{transform:translateX(-3px)}

.empty-state{
  text-align:center;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  padding:56px 24px;margin:8px 0 0;
}
.empty-state svg{width:44px;height:44px;color:var(--brand);margin:0 auto 14px}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);max-width:460px;margin:0 auto 22px}

/* ---------- 板块通用 ---------- */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:80px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-title{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;color:var(--ink);line-height:1.3;letter-spacing:-.3px}
.section-sub{font-size:15px;color:var(--muted);margin-top:8px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--brand-deep);transition:color .2s ease-out}
.link-more:hover{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px}

/* ---------- 卡片网格 ---------- */
.cards-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.cards-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.cards-grid{grid-template-columns:repeat(3,1fr)}}

.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;z-index:2;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease-out;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift)}
.post-card:hover::before{opacity:1}
.post-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E8EFEC}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  font-size:12px;font-weight:600;color:var(--brand-deep);border:1px solid rgba(255,255,255,.8);
}
.post-body{display:flex;flex-direction:column;flex:1;gap:10px;padding:20px}
.post-body h3{
  font-size:1.0625rem;font-weight:700;color:var(--ink);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:14px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:8px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.post-foot .arrow{color:var(--brand);transition:transform .2s ease-out}
.post-card:hover .post-foot .arrow{transform:translateX(4px)}

/* ---------- CTA 条 ---------- */
.cta-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--grad-dark);border-radius:var(--radius-hero);
  padding:30px 32px;color:#fff;box-shadow:var(--shadow-card);
}
.cta-bar h2{font-size:clamp(1.25rem,2.2vw,1.5rem);font-weight:800;line-height:1.35;margin-bottom:8px}
.cta-bar p{font-size:14.5px;color:rgba(255,255,255,.78);max-width:620px;line-height:1.75}
@media (min-width:1024px){.cta-bar{padding:34px 40px;min-height:110px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:56px 0 24px;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;font-weight:800;color:#fff;letter-spacing:.4px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;letter-spacing:.6px}
.footer-col li{margin-bottom:10px}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-col li a:hover{color:#B9E86A}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  text-align:center;font-size:12px;color:rgba(255,255,255,.5);line-height:1.8;
}

/* ---------- 移动底部 Tab ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:grid;grid-template-columns:repeat(4,1fr);
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(12,28,26,.06);
}
.mobile-tab a{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);transition:color .2s ease-out;
}
.mobile-tab svg{width:22px;height:22px;transition:transform .2s ease-out}
.mobile-tab a.active{color:var(--brand)}
.mobile-tab a.active svg{transform:translateY(-1px)}
@media (min-width:768px){.mobile-tab{display:none}}
@media (max-width:767px){body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}}

/* roulang page: category2 */
:root{
  --brand:#0E9E86;
  --brand-deep:#086A5A;
  --brand-light:#D6F5EE;
  --accent:#FF6A3D;
  --data:#FFC24B;
  --ink:#0C1C1A;
  --ink-2:#33443F;
  --muted:#6B7C77;
  --line:#E3EAE7;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --r-card:20px;
  --r-panel:28px;
  --r-field:12px;
  --sh-soft:0 8px 24px rgba(12,28,26,.06);
  --sh-lift:0 16px 40px rgba(12,28,26,.12);
  --font-sans:-apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-top:72px;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:72px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(12,28,26,.07)}
.nav-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(120deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--ink)}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.18em}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--ink-2);
  border-radius:999px;transition:background .2s ease,color .2s ease;white-space:nowrap;
}
.nav-link:hover{background:var(--brand-light);color:var(--brand-deep)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, filter .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(120deg,#FF6A3D 0%,#0E9E86 100%);
  color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,61,.3);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--brand);color:var(--brand-deep);background:transparent}
.btn-ghost:hover{background:var(--brand-light)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 8px 20px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.22)}

/* ============ 页面头部条 ============ */
.page-hero{
  background:linear-gradient(180deg,#E9FBF6 0%,#F5F7F5 100%);
  border-bottom:1px solid var(--line);
  padding:44px 0 40px;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.crumb a{transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#B9C7C2}
.crumb .current{color:var(--ink-2)}
.page-hero h1{
  font-size:clamp(1.875rem,4vw,3.25rem);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;max-width:20em;
}
.hero-lead{margin-top:16px;font-size:16px;color:var(--ink-2);max-width:46em;line-height:1.9}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.86);border:1px solid #C9ECE2;
  border-radius:999px;padding:8px 16px;font-size:13px;color:var(--brand-deep);
}
.fact-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0}
.fact-pill b{font-weight:700}

/* ============ 主体布局 ============ */
.layout{padding:52px 0 0;display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){
  .layout{grid-template-columns:238px minmax(0,1fr);gap:40px;padding-top:64px}
}
.anchor-wrap{min-width:0}
.anchor-nav{
  display:flex;gap:8px;overflow-x:auto;padding:8px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-nav::-webkit-scrollbar{display:none}
.anchor-link{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-2);
  font-size:14px;white-space:nowrap;transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.anchor-link:hover{border-color:var(--brand);color:var(--brand-deep)}
.anchor-link.active{background:var(--brand-light);border-color:var(--brand);color:var(--brand-deep);font-weight:600}
@media(min-width:1024px){
  .anchor-wrap{position:sticky;top:96px;align-self:start}
  .anchor-nav{
    flex-direction:column;overflow:visible;gap:2px;padding:12px 10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-soft);
  }
  .anchor-link{
    border:0;background:transparent;border-radius:12px;border-left:3px solid transparent;
    padding:11px 14px;font-size:14.5px;
  }
  .anchor-link:hover{background:#F2FAF7}
  .anchor-link.active{background:var(--brand-light);border-left-color:var(--brand)}
}

/* ============ 板块与卡片 ============ */
.topic-section{margin-bottom:72px;scroll-margin-top:110px}
.topic-section:last-of-type{margin-bottom:40px}
.section-head{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.125rem);font-weight:800;line-height:1.25;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";width:6px;height:26px;border-radius:4px;flex-shrink:0;
  background:linear-gradient(180deg,#0E9E86,#B9E86A);
}
.section-head p{font-size:15px;color:var(--muted);line-height:1.8}

.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}

.topic-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-soft);transition:transform .24s ease, box-shadow .24s ease;
}
.topic-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;z-index:2;
  background:linear-gradient(90deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lift)}
.topic-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E7F3EF}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .tag{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:500;
  background:rgba(255,255,255,.92);color:var(--brand-deep);
  border:1px solid rgba(255,255,255,.9);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;font-weight:700;line-height:1.4}
.mini-list{list-style:none;display:flex;flex-direction:column;gap:8px}
.mini-list li{
  position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.7;
}
.mini-list li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;
  background:linear-gradient(120deg,#0E9E86,#B9E86A);
}
.card-foot{margin-top:auto;padding-top:4px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease, color .2s ease;
}
.text-link:hover{border-bottom-color:var(--brand);color:var(--brand)}
.text-link svg{width:15px;height:15px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s ease}
.text-link:hover svg{transform:translateX(3px)}

/* ============ 通栏 CTA ============ */
.cta-band{
  background:linear-gradient(160deg,#0C1C1A 0%,#123B33 100%);
  border-radius:var(--r-panel);padding:36px 28px;color:#fff;
  display:grid;gap:24px;box-shadow:0 20px 44px rgba(12,28,26,.18);
  margin:24px 0 0;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.25fr .75fr;align-items:center;padding:48px 44px}}
.cta-band h2{font-size:clamp(1.375rem,2.4vw,1.9rem);font-weight:800;line-height:1.3;color:#fff}
.cta-band p{margin-top:14px;font-size:15px;color:#A9C4BE;line-height:1.9;max-width:38em}
.cta-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-meta span{
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#DFF3EE;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:linear-gradient(160deg,#0C1C1A 0%,#123B33 100%);
  color:#CFE3DE;padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand b{font-size:16px;font-weight:800;color:#fff}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col p{font-size:14px;color:#8FA9A3;line-height:1.9;max-width:320px}
.footer-col a{font-size:14px;color:#A9C4BE;transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;text-align:center;font-size:12px;color:#8FA9A3;
}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 18px rgba(12,28,26,.07);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{height:60px;display:grid;grid-template-columns:repeat(4,1fr)}
.tab{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:10px;color:var(--muted);transition:color .2s ease;
}
.tab svg{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease}
.tab.active{color:var(--brand)}
.tab.active svg{transform:translateY(-1px)}

@media(max-width:767px){
  .tabbar{display:block}
  .nav-links,.nav-secondary{display:none}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom))}
  .page-hero{padding:32px 0 30px}
  .topic-section{margin-bottom:52px}
  .site-footer{margin-top:56px;padding-top:44px}
}

/* roulang page: category3 */
:root{
  --brand:#0E9E86;
  --brand-deep:#086A5A;
  --brand-light:#D6F5EE;
  --accent:#FF6A3D;
  --data:#FFC24B;
  --ink:#0C1C1A;
  --ink-2:#33443F;
  --muted:#6B7C77;
  --line:#E3EAE7;
  --bg:#F5F7F5;
  --card:#FFFFFF;
  --grad-brand:linear-gradient(120deg,#0E9E86 0%,#17C3A2 55%,#B9E86A 100%);
  --grad-dark:linear-gradient(160deg,#0C1C1A,#123B33);
  --r-card:20px;
  --r-lg:28px;
  --r-input:12px;
  --sh:0 8px 24px rgba(12,28,26,.06);
  --sh-hover:0 16px 40px rgba(12,28,26,.12);
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink-2);
  font-size:1rem;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{display:block;max-width:100%;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:none;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,filter .2s ease-out;
}
.btn-primary{
  background:linear-gradient(120deg,#FF6A3D 0%,#FF8A4B 38%,#0E9E86 100%);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,106,61,.24);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,61,.32);filter:brightness(1.04);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--brand-deep);
  border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-deep);font-weight:600;font-size:14px;
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:border-color .2s ease-out,color .2s ease-out;
}
.text-link:hover{border-bottom-color:var(--brand);}
.text-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .2s ease-out;}
.text-link:hover svg{transform:translateX(3px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge-outline{
  background:#fff;border:1px solid var(--line);color:var(--muted);
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  backdrop-filter:blur(8px);
  color:#fff;font-size:13px;font-weight:500;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 16px rgba(12,28,26,.05);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:72px;
}
.logo{display:flex;align-items:center;gap:10px;}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;
  box-shadow:0 6px 16px rgba(14,158,134,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text b{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.3em;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--ink-2);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-15px;
  width:0;height:3px;border-radius:3px;
  background:var(--brand);transform:translateX(-50%);
  transition:width .2s ease-out;
}
.nav-link:hover{color:var(--brand-deep);background:var(--brand-light);}
.nav-link.active{color:var(--brand-deep);font-weight:600;}
.nav-link.active::after{width:26px;}
.nav-actions{display:flex;align-items:center;gap:10px;}

/* ============ Hero ============ */
.cat-hero{
  position:relative;
  background-image:
    linear-gradient(160deg,rgba(12,28,26,.93) 0%,rgba(8,106,90,.82) 55%,rgba(18,59,51,.9) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:88px 0 72px;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto -60px -80px auto;
  width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(185,232,106,.22),transparent 68%);
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.16em;
  color:#B9E86A;text-transform:uppercase;margin-bottom:18px;
}
.hero-eyebrow::before{content:"";width:26px;height:2px;background:#B9E86A;border-radius:2px;}
.cat-hero h1{
  font-size:clamp(1.875rem,4vw,3.25rem);
  font-weight:800;line-height:1.25;letter-spacing:-.01em;
  max-width:820px;
}
.hero-lead{
  margin-top:20px;max-width:680px;
  font-size:clamp(1rem,1.4vw,1.0625rem);
  line-height:1.85;color:rgba(255,255,255,.85);
}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
@media (min-width:768px){.section{padding:92px 0;}}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.125rem);
  font-weight:800;line-height:1.25;color:var(--ink);letter-spacing:-.01em;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:1rem;}
.section-kicker{
  display:inline-block;margin-bottom:12px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);
}

/* ============ 编号索引列表 ============ */
.index-list{
  list-style:none;
  display:grid;grid-template-columns:1fr;gap:0 56px;
  border-top:1px solid var(--line);
}
@media (min-width:1024px){
  .index-list{grid-template-columns:1fr 1fr;}
}
.index-item{
  display:flex;align-items:flex-start;gap:20px;
  padding:26px 6px;
  border-bottom:1px solid var(--line);
  transition:transform .2s ease-out,background .2s ease-out;
}
.index-item:hover{transform:translateX(4px);}
.index-no{
  flex:0 0 74px;
  font-size:48px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.5px #C9D6D2;
  transition:color .2s ease-out,-webkit-text-stroke-color .2s ease-out;
}
.index-item:hover .index-no{color:var(--brand);-webkit-text-stroke-color:var(--brand);}
.index-body h3{font-size:1.125rem;font-weight:700;color:var(--ink);line-height:1.5;}
.index-body p{margin-top:8px;font-size:.9375rem;color:var(--muted);line-height:1.8;}
@media (max-width:639px){
  .index-no{flex:0 0 52px;font-size:34px;}
  .index-item{gap:14px;padding:22px 2px;}
}

/* ============ 图文交替 ============ */
.prep-wrap{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
  background:var(--card);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh);
}
@media (min-width:900px){
  .prep-wrap{grid-template-columns:1.05fr 1fr;gap:48px;padding:24px;}
}
.prep-media{border-radius:var(--r-card);overflow:hidden;aspect-ratio:4/3;}
.prep-media img{width:100%;height:100%;transition:transform .3s ease-out;}
.prep-wrap:hover .prep-media img{transform:scale(1.03);}
.prep-body{padding:8px 4px 16px;}
.prep-body h2{
  font-size:clamp(1.375rem,2.2vw,1.75rem);
  font-weight:800;color:var(--ink);line-height:1.3;margin-bottom:16px;
}
.prep-body > p{color:var(--ink-2);font-size:1rem;margin-bottom:18px;}
.check-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:.9375rem;color:var(--ink-2);}
.check-icon{
  flex:0 0 22px;width:22px;height:22px;margin-top:3px;border-radius:50%;
  background:var(--brand-light);display:grid;place-items:center;
}
.check-icon svg{width:13px;height:13px;stroke:var(--brand-deep);fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;}
.check-list b{color:var(--ink);font-weight:700;}

/* ============ 服务点卡片 ============ */
.service-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:640px){.service-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.service-grid{grid-template-columns:repeat(4,1fr);}}
.service-card{
  position:relative;
  background:var(--card);border-radius:var(--r-card);
  padding:24px 20px 22px;box-shadow:var(--sh);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
  overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);opacity:.25;transition:opacity .2s ease-out;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.service-card:hover::before{opacity:1;}
.service-card h3{font-size:1.0625rem;font-weight:700;color:var(--ink);margin-bottom:8px;}
.service-card p{font-size:.9375rem;color:var(--muted);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:var(--card);border-radius:var(--r-card);
  border:1px solid var(--line);overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.faq-item:hover{box-shadow:var(--sh);}
.faq-item.open{border-color:rgba(14,158,134,.35);box-shadow:var(--sh);}
.faq-q{
  width:100%;min-height:44px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:1rem;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q svg{
  flex:0 0 18px;width:18px;height:18px;
  stroke:var(--brand);fill:none;stroke-width:2.2;stroke-linecap:round;
  transition:transform .24s ease-out;
}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease-out,padding .24s ease-out;
  padding:0 22px;
}
.faq-item.open .faq-a{padding:0 22px 20px;}
.faq-a p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ 数据徽章带 ============ */
.stat-band{
  display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
@media (min-width:900px){.stat-band{grid-template-columns:repeat(4,1fr);}}
.stat-item{
  display:flex;align-items:center;gap:14px;
  background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:12px 20px;box-shadow:var(--sh);
}
.stat-dot{
  flex:0 0 34px;width:34px;height:34px;border-radius:50%;
  background:var(--brand-light);display:grid;place-items:center;
  color:var(--brand-deep);font-size:13px;font-weight:800;
}
.stat-item .num{font-size:1.25rem;font-weight:800;color:var(--brand-deep);line-height:1.2;}
.stat-item span.label{display:block;font-size:12px;color:var(--muted);line-height:1.4;}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad-dark);
  border-radius:var(--r-lg);
  padding:40px 24px;
  color:#fff;
  display:grid;grid-template-columns:1fr;gap:28px;
  box-shadow:0 20px 50px rgba(12,28,26,.18);
}
@media (min-width:900px){
  .cta-card{grid-template-columns:1.25fr .9fr;padding:56px 48px;align-items:center;gap:48px;}
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(185,232,106,.2),transparent 70%);
}
.cta-card h2{
  font-size:clamp(1.375rem,2.4vw,1.875rem);
  font-weight:800;line-height:1.3;
}
.cta-card .cta-desc{margin-top:14px;color:rgba(255,255,255,.82);font-size:1rem;max-width:520px;}
.cta-points{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:.9375rem;color:rgba(255,255,255,.9);}
.cta-points li::before{
  content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;
  background:#B9E86A;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-dark);
  color:rgba(255,255,255,.72);
  padding:56px 0 24px;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand b{color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em;}
.footer-col p{font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out;}
.footer-col ul a:hover{color:#B9E86A;}
.footer-bottom{
  padding-top:20px;text-align:center;
  font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;
}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(12,28,26,.06);
}
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:10px;color:var(--muted);line-height:1.2;
  transition:color .2s ease-out;
}
.tab-item svg{
  width:24px;height:24px;stroke:currentColor;fill:none;
  stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;
  transition:transform .2s ease-out;
}
.tab-item.active{color:var(--brand);}
.tab-item.active svg{transform:translateY(-1px);}

@media (max-width:767px){
  .nav-links{display:none;}
  .nav-secondary{display:none;}
  .mobile-tab{display:flex;}
  body{padding-bottom:calc(60px + env(safe-area-inset-bottom));}
  .cat-hero{padding:56px 0 52px;}
  .index-body h3{font-size:1.0625rem;}
}
@media (max-width:520px){
  .logo-text span{letter-spacing:.18em;font-size:10px;}
  .logo-mark{width:36px;height:36px;flex:0 0 36px;font-size:18px;}
  .hero-chips{gap:8px;}
  .chip{height:32px;padding:0 12px;font-size:12px;}
  .btn{padding:0 20px;font-size:14px;}
}