/* roulang page: index */
:root{
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --brand:#0F6157;
  --brand-2:#2C9C86;
  --brand-soft:#EAF4F1;
  --accent:#E4794B;
  --accent-d:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-2:#1A2C29;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --shadow-1:0 2px 8px rgba(18,32,30,.06);
  --shadow-2:0 12px 28px rgba(18,32,30,.12);
  --shadow-3:0 20px 40px rgba(18,32,30,.14);
  --ease:200ms ease;
  --grad:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;box-shadow:0 0 0 2px #fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head .head-text{max-width:640px;}
h2.section-title{
  position:relative;
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-0.3px;
  padding-left:20px;
}
h2.section-title::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:4px;height:calc(100% - 20px);
  border-radius:999px;
  background:var(--brand);
}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:15px;}
.link-more{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;transition:color var(--ease);}
.link-more:hover{color:var(--accent);}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.3px;
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  border:1px solid transparent;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(228,121,75,.24);}
.btn-accent:hover{background:var(--accent-d);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,96,58,.28);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--line-strong);}
.btn-ghost:hover{border-color:var(--brand);background:rgba(15,97,87,.06);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:#F3EEE6;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* 标签 / 徽章 */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:500;letter-spacing:.4px;line-height:1.4;
  background:var(--brand-soft);color:var(--brand);
}
.pill--soft{background:var(--surface-2);color:var(--ink-2);}
.pill--accent{background:rgba(228,121,75,.12);color:var(--accent-d);}
.pill--onimage{background:rgba(255,255,255,.92);color:var(--brand);backdrop-filter:blur(4px);}

/* 导航 */
.site-header{background:#fff;border-bottom:1px solid var(--line);}
.nav-top{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:17px;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(15,97,87,.22);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink);white-space:nowrap;}
.logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.2px;}
.nav-search{margin-left:auto;position:relative;flex:0 1 300px;}
.nav-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid transparent;
  background:var(--surface-2);padding:0 44px 0 18px;font-size:14px;color:var(--ink);
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(15,97,87,.12);outline:none;}
.nav-search i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--ink);}
.nav-tabs-wrap{background:#fff;border-top:1px solid var(--line);position:sticky;top:0;z-index:60;box-shadow:0 4px 14px rgba(18,32,30,.04);}
.nav-tabs{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:0 24px;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:7px 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.nav-tab:hover{background:var(--brand-soft);color:var(--brand);}
.nav-tab.active{background:var(--brand);color:#fff;}
.drawer{
  display:none;border-top:1px solid var(--line);background:#fff;padding:16px 24px 24px;
}
.drawer.open{display:block;}
.drawer a{display:block;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);}
.drawer a.active{color:var(--brand);font-weight:600;}
.drawer .drawer-search{margin:16px 0;}
.drawer .btn{width:100%;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,#FBF8F3 0%,#F2F7F4 58%,#EAF4F1 100%);
  padding:64px 0 72px;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-180px;width:560px;height:560px;border-radius:50%;
  background:var(--grad);filter:blur(80px);opacity:.26;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;position:relative;z-index:2;}
.hero-copy{grid-column:span 7;}
.hero-eyebrow{margin-bottom:20px;}
.hero h1{
  font-size:50px;line-height:1.15;font-weight:700;letter-spacing:-.5px;color:var(--ink);
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.7;color:var(--ink-2);max-width:32em;
}
.hero-actions{display:flex;align-items:center;gap:16px;margin-top:32px;flex-wrap:wrap;}
.stat-badges{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap;}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;min-width:132px;box-shadow:var(--shadow-1);
}
.stat-badge .num{
  font-size:28px;font-weight:700;letter-spacing:-.5px;line-height:1.1;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.stat-badge .num small{font-size:13px;font-weight:600;margin-left:3px;color:var(--ink-2);}
.stat-badge .txt{margin-top:4px;font-size:13px;color:var(--ink-3);}
.hero-media{grid-column:span 5;position:relative;}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3.5;
  box-shadow:var(--shadow-3);border:1px solid rgba(255,255,255,.6);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual .pill--onimage{position:absolute;left:16px;top:16px;}
.float-badge{
  position:absolute;right:-10px;bottom:22px;background:#fff;border-radius:20px;
  padding:14px 20px;box-shadow:var(--shadow-3);border:1px solid var(--line);
  display:flex;align-items:center;gap:12px;
}
.float-badge .ico{width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;}
.float-badge .num{font-size:22px;font-weight:700;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums;}
.float-badge .txt{font-size:12px;color:var(--ink-3);}

/* 价值三联 */
.value-title{margin-bottom:36px;}
.split-value{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:start;}
.value-main{
  background:var(--grad);color:#fff;border-radius:var(--r-lg);padding:40px 36px;
  box-shadow:var(--shadow-2);position:relative;overflow:hidden;
}
.value-main::after{content:"";position:absolute;right:-60px;bottom:-80px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.12);}
.value-main .kicker{font-size:12px;letter-spacing:2px;color:#CFE8E2;text-transform:uppercase;}
.value-main h3{margin-top:14px;font-size:24px;line-height:1.4;font-weight:600;}
.value-main p{margin-top:14px;font-size:15px;line-height:1.8;color:#E4F2EE;}
.value-main .mini-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px;}
.mini-badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.5);font-size:13px;color:#fff;
}
.value-side{display:grid;gap:24px;}
.value-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,97,87,.3);}
.value-card .ico{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:19px;
}
.value-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.value-card p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.75;}

/* 故事区 */
.story{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.story-visual{position:relative;}
.story-visual img{
  width:100%;aspect-ratio:4/3.2;object-fit:cover;border-radius:var(--r-md);
  transform:rotate(-2deg);box-shadow:var(--shadow-2);border:6px solid #fff;
}
.story-num{
  position:absolute;right:-6px;bottom:-14px;background:var(--accent);color:#fff;
  border-radius:16px;padding:12px 20px;font-size:15px;font-weight:600;box-shadow:var(--shadow-2);
}
.story-list{margin-top:8px;}
.story-item{padding:22px 0;border-bottom:1px solid var(--line);display:flex;gap:20px;}
.story-item:first-child{padding-top:0;}
.story-item:last-child{border-bottom:0;padding-bottom:0;}
.story-item .idx{
  flex:0 0 auto;font-size:20px;font-weight:700;color:var(--brand-2);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;padding-top:2px;
}
.story-item h3{font-size:18px;font-weight:600;line-height:1.4;}
.story-item p{margin-top:6px;font-size:15px;color:var(--ink-2);line-height:1.75;}

/* 精选内容 */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.f-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;flex-direction:column;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,97,87,.3);}
.f-card .thumb{overflow:hidden;aspect-ratio:16/10;}
.f-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.f-card:hover .thumb img{transform:scale(1.04);}
.f-card .body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.f-card h3{font-size:20px;line-height:1.35;font-weight:600;}
.f-card p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.f-card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);padding-top:8px;}
.f-card--wide{grid-column:span 8;flex-direction:row;}
.f-card--wide .thumb{flex:0 0 46%;aspect-ratio:auto;min-height:100%;}
.f-card--wide .body{padding:32px;}
.f-card--wide h3{font-size:24px;}
.f-card--sm{grid-column:span 4;}

/* 最新信息 */
.news-wrap{background:var(--surface-2);border-radius:var(--r-lg);padding:56px 40px;}
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;margin-bottom:32px;scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-chip{
  white-space:nowrap;padding:8px 18px;border-radius:999px;font-size:14px;font-weight:500;
  background:#fff;color:var(--ink-2);border:1px solid var(--line);transition:all var(--ease);
}
.filter-chip:hover{border-color:var(--brand);color:var(--brand);}
.filter-chip.active{background:var(--brand);color:#fff;border-color:var(--brand);}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,97,87,.3);}
.post-cover{display:block;overflow:hidden;aspect-ratio:16/10;background:linear-gradient(135deg,#EAF4F1,#F3EEE6);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{
  font-size:17px;font-weight:600;line-height:1.4;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.post-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.post-foot .go i{transition:transform var(--ease);}
.post-card:hover .post-foot .go i{transform:translateX(4px);}
.empty-state{text-align:center;padding:56px 24px;background:#fff;border-radius:var(--r-md);border:1px dashed var(--line-strong);}
.empty-state i{font-size:30px;color:var(--brand-2);}
.empty-state p{margin:14px 0 20px;color:var(--ink-2);font-size:15px;}

/* 信任背书 */
.trust-band{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px;}
.trust-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 24px;
  box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease);
}
.trust-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.trust-item .num{font-size:34px;font-weight:700;line-height:1.1;color:var(--brand);letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.trust-item .num small{font-size:14px;margin-left:4px;color:var(--ink-2);font-weight:600;}
.trust-item .txt{margin-top:8px;font-size:14px;color:var(--ink-2);}
.pill-wall{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:48px;}
.pill-wall span{
  background:var(--surface-2);color:var(--ink-2);border:1px solid transparent;
  padding:9px 18px;border-radius:999px;font-size:14px;transition:all var(--ease);
}
.pill-wall span:hover{background:#fff;border-color:var(--line-strong);color:var(--brand);}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:32px;position:relative;}
.quote-card .mark{font-size:26px;color:var(--brand-2);opacity:.5;line-height:1;}
.quote-card p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:22px;}
.avatar{width:42px;height:42px;border-radius:50%;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:600;}
.quote-user .name{font-size:14px;font-weight:600;color:var(--ink);}
.quote-user .role{font-size:12px;color:var(--ink-3);}

/* FAQ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:12px;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:rgba(15,97,87,.45);}
.faq-item.open{box-shadow:var(--shadow-1);border-color:rgba(15,97,87,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q i{flex:0 0 auto;color:var(--brand);transition:transform var(--ease);}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA */
.cta-block{
  background:linear-gradient(135deg,#12201E 0%,#0F6157 100%);
  border-radius:28px;padding:56px;color:#fff;
  display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-block::after{content:"";position:absolute;right:-100px;top:-120px;width:340px;height:340px;border-radius:50%;background:rgba(44,156,134,.35);filter:blur(60px);}
.cta-block h2{font-size:32px;line-height:1.3;font-weight:700;position:relative;z-index:2;}
.cta-block p{margin-top:14px;font-size:15px;line-height:1.8;color:#CFE8E2;position:relative;z-index:2;}
.cta-form{position:relative;z-index:2;display:flex;gap:8px;}
.cta-form input{
  flex:1;height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);color:#fff;padding:0 16px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.cta-form input::placeholder{color:#A9C6C0;}
.cta-form input:focus{outline:none;background:rgba(255,255,255,.2);border-color:#fff;box-shadow:0 0 0 3px rgba(240,179,87,.45);}
.form-tip{margin-top:12px;font-size:13px;color:#A9C6C0;position:relative;z-index:2;}

/* 页脚 */
.site-footer{background:var(--dark);color:#E9F3F0;margin-top:80px;padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2.4fr;gap:32px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand .logo-name{color:#fff;font-size:17px;}
.footer-brand .logo-sub{color:#8FA8A2;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.8;color:#A9C6C0;max-width:24em;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#E9F3F0;font-size:14px;transition:background var(--ease),transform var(--ease);
}
.social-row a:hover{background:var(--brand-2);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.4px;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:#A9C6C0;padding:6px 0;transition:color var(--ease),padding-left var(--ease);border-left:2px solid transparent;}
.footer-col a:hover{color:#fff;padding-left:8px;border-left-color:var(--brand-2);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA8A2;
}

/* 响应式 */
@media (max-width:1199px){
  .hero h1{font-size:42px;}
  h2.section-title{font-size:30px;}
  .section{padding:72px 0;}
  .news-wrap{padding:44px 28px;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-copy,.hero-media{grid-column:span 12;}
  .hero h1{font-size:36px;}
  .hero{padding:48px 0 56px;}
  .hero-visual{aspect-ratio:16/10;}
  .float-badge{right:12px;bottom:12px;}
  .split-value{grid-template-columns:1fr;}
  .story{grid-template-columns:1fr;gap:36px;}
  .story-visual img{transform:none;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .f-card--wide{grid-column:span 2;flex-direction:column;}
  .f-card--wide .thumb{flex:none;aspect-ratio:16/9;min-height:0;}
  .f-card--sm{grid-column:span 1;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .trust-band{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-block{grid-template-columns:1fr;padding:40px;gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-top{gap:12px;height:64px;}
  .logo-search-slot,.nav-search,.nav-cta{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .logo-name{font-size:15px;}
  .logo-mark{width:36px;height:36px;font-size:15px;border-radius:10px;}
  .logo-sub{font-size:10px;letter-spacing:.6px;}
  .nav-tabs{padding:0 16px;}
  .section{padding:56px 0;}
  h2.section-title{font-size:24px;padding-left:16px;}
  .hero h1{font-size:30px;letter-spacing:-.3px;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .hero-actions .btn{width:100%;}
  .stat-badges{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;}
  .stat-badges::-webkit-scrollbar{display:none;}
  .stat-badge{flex:0 0 auto;min-width:118px;padding:12px 14px;}
  .stat-badge .num{font-size:24px;}
  .value-main{padding:30px 24px;}
  .value-card{padding:20px;gap:14px;}
  .news-wrap{padding:32px 18px;}
  .post-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .f-card--wide{grid-column:span 1;}
  .f-card--sm{grid-column:span 1;}
  .f-card--wide .body{padding:24px;}
  .trust-band{grid-template-columns:1fr 1fr;gap:16px;}
  .trust-item{padding:20px 16px;}
  .trust-item .num{font-size:26px;}
  .cta-block{padding:28px 22px;border-radius:22px;}
  .cta-block h2{font-size:24px;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a p{padding:0 16px 18px;}
  .quote-card{padding:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:56px;padding-top:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0F6157;
  --brand-500:#2C9C86;
  --brand-100:#EAF4F1;
  --accent:#E4794B;
  --accent-dark:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-2:#1B2E2B;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 8px rgba(18,32,30,.06);
  --shadow-2:0 12px 28px rgba(18,32,30,.12);
  --shadow-3:0 20px 40px rgba(18,32,30,.14);
  --ease:200ms ease;
  --grad:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-900);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-sm{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.section-title{
  position:relative;
  font-size:34px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.3px;
  padding-left:20px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:12px;
  width:6px;
  height:26px;
  border-radius:99px;
  background:var(--grad);
}
.section-desc{
  margin-top:14px;
  color:var(--ink-2);
  font-size:15px;
  max-width:660px;
}
.num-tag{
  display:inline-block;
  font-size:13px;
  letter-spacing:.5px;
  color:var(--brand-500);
  font-weight:600;
  margin-bottom:10px;
}

/* ---------- Header ---------- */
.site-header{position:relative;z-index:60;}
.header-top{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.header-top-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  flex:0 0 auto;
}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:40px;height:40px;
  flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:19px;
  font-weight:700;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:700;letter-spacing:-.2px;}
.logo-sub{font-size:12px;color:var(--ink-3);letter-spacing:.4px;}
.search-box{
  position:relative;
  flex:1 1 auto;
  max-width:340px;
  margin:0 8px;
}
.search-box i{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  color:var(--ink-3);
  font-size:14px;
  pointer-events:none;
}
.search-box input{
  width:100%;
  height:44px;
  margin:0;
  padding:0 18px 0 42px;
  border-radius:999px;
  border:1px solid transparent;
  background:var(--surface-2);
  color:var(--ink);
  font-size:14px;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(44,156,134,.15);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 2px 8px rgba(228,121,75,.28);
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 22px rgba(201,96,58,.28);
}
.btn-ghost{
  background:transparent;
  color:var(--brand-900);
  border-color:var(--line-strong);
}
.btn-ghost:hover,.btn-ghost:focus{
  border-color:var(--brand-500);
  color:var(--brand-900);
  background:var(--brand-100);
  transform:translateY(-1px);
}
.btn-light{
  background:#fff;
  color:var(--brand-900);
}
.btn-light:hover{background:#EAF4F1;color:var(--brand-900);transform:translateY(-1px);}
.menu-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}
.menu-toggle:hover{border-color:var(--brand-500);color:var(--brand-900);}

.header-nav{
  position:sticky;
  top:0;
  z-index:55;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:48px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-top:6px;
  padding-bottom:6px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:36px;
  padding:6px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.nav-tab:hover{background:var(--brand-100);color:var(--brand-900);}
.nav-tab.active{background:var(--brand-900);color:#fff;}
.nav-tab.active:hover{background:var(--brand-900);color:#fff;}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(18,32,30,.45);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:86%;
  max-width:360px;
  height:100%;
  background:#fff;
  z-index:95;
  transform:translateX(105%);
  transition:transform 260ms ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:17px;
  color:var(--ink);
  cursor:pointer;
}
.drawer .search-box{max-width:none;margin:0 0 18px;}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:24px;}
.drawer-links a{
  padding:13px 14px;
  border-radius:var(--radius-sm);
  color:var(--ink-2);
  font-size:15px;
}
.drawer-links a:hover{background:var(--surface-2);color:var(--brand-900);}
.drawer-links a.active{background:var(--brand-900);color:#fff;}

/* ---------- Category hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  min-height:360px;
  display:flex;
  align-items:center;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(15,97,87,.95) 0%,rgba(15,97,87,.86) 42%,rgba(44,156,134,.62) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,179,87,.35) 0%,rgba(240,179,87,0) 68%);
  filter:blur(30px);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:40px;
  align-items:center;
}
.breadcrumb{
  font-size:13px;
  color:rgba(233,243,240,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(233,243,240,.86);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{margin:0 8px;opacity:.6;}
.breadcrumb .current{color:#fff;}
.page-hero h1{
  font-size:44px;
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.5px;
  color:#fff;
  max-width:16em;
}
.page-hero .hero-sub{
  margin-top:18px;
  font-size:16px;
  line-height:1.75;
  color:rgba(233,243,240,.9);
  max-width:34em;
}
.hero-badges{
  display:flex;
  flex-direction:column;
  gap:14px;
  justify-self:end;
  width:100%;
  max-width:300px;
}
.hero-badge{
  background:rgba(255,255,255,.96);
  border-radius:var(--radius-md);
  padding:18px 20px;
  box-shadow:var(--shadow-3);
  color:var(--ink);
}
.hero-badge .num{
  font-size:30px;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand-900);
  line-height:1.1;
}
.hero-badge .num small{font-size:13px;font-weight:600;color:var(--ink-3);margin-left:4px;}
.hero-badge .label{
  margin-top:6px;
  font-size:13px;
  color:var(--ink-2);
  line-height:1.5;
}

/* ---------- Intro ---------- */
.intro-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:start;
}
.intro-text p{
  color:var(--ink-2);
  font-size:16px;
  line-height:1.9;
  margin-bottom:18px;
}
.intro-text p:last-child{margin-bottom:0;}
.intro-text strong{color:var(--ink);font-weight:600;}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.check-card h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:6px;
}
.check-card .check-sub{
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:18px;
}
.check-list li{
  position:relative;
  padding:12px 0 12px 30px;
  border-top:1px solid var(--line);
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
}
.check-list li:first-child{border-top:0;}
.check-list li i{
  position:absolute;
  left:0;top:15px;
  color:var(--brand-500);
  font-size:13px;
}
.check-list li b{color:var(--ink);font-weight:600;}

/* ---------- Steps ---------- */
.steps-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:36px;
  box-shadow:var(--shadow-1);
}
.steps{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:18px;
  counter-reset:step;
}
.step{
  position:relative;
  padding:22px 18px;
  border-radius:var(--radius-md);
  background:var(--surface-2);
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.step:hover{
  background:#fff;
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
}
.step .step-no{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:30px;height:30px;
  border-radius:999px;
  background:var(--brand-900);
  color:#fff;
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.step p{font-size:13px;line-height:1.7;color:var(--ink-2);}

/* ---------- Alternating blocks ---------- */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:72px;}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  aspect-ratio:16/11;
  background:linear-gradient(135deg,#EAF4F1,#F3EEE6);
}
.split-media img{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:var(--radius-md);
  transition:transform 400ms ease;
}
.split-media:hover img{transform:scale(1.04);}
.split-media .corner-tag{
  position:absolute;
  left:16px;top:16px;
  background:rgba(255,255,255,.94);
  color:var(--brand-900);
  font-size:13px;
  font-weight:600;
  padding:5px 14px;
  border-radius:999px;
  letter-spacing:.5px;
}
.split-body h2{
  position:relative;
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  padding-left:18px;
  margin-bottom:18px;
}
.split-body h2::before{
  content:"";
  position:absolute;left:0;top:8px;
  width:4px;height:22px;
  border-radius:99px;
  background:var(--brand-500);
}
.split-body p{
  color:var(--ink-2);
  font-size:16px;
  line-height:1.9;
  margin-bottom:16px;
}
.dot-list{margin-top:8px;}
.dot-list li{
  position:relative;
  padding-left:18px;
  margin-bottom:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:12px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--brand-500);
}
.dot-list li b{color:var(--ink);font-weight:600;}

/* ---------- Notice strip ---------- */
.notice-strip{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 24px;
  border-radius:var(--radius-md);
  background:var(--brand-100);
  border:1px solid rgba(44,156,134,.28);
  margin-top:56px;
  font-size:14px;
  line-height:1.8;
  color:var(--brand-900);
}
.notice-strip i{font-size:17px;color:var(--brand-500);flex:0 0 auto;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  transition:border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.faq-item:hover{border-color:rgba(44,156,134,.6);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--ink);
  cursor:pointer;
  min-height:44px;
}
.faq-q .icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--brand-900);
  font-size:12px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.open .faq-q .icon{
  transform:rotate(180deg);
  background:var(--brand-900);
  color:#fff;
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms ease;
}
.faq-a .faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- Related cards ---------- */
.related-scroll{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(280px,1fr);
  gap:20px;
  overflow-x:auto;
  padding-bottom:10px;
  scrollbar-width:thin;
}
.related-scroll::-webkit-scrollbar{height:6px;}
.related-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:99px;}
.rel-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  color:var(--ink);
}
.rel-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(44,156,134,.45);
  color:var(--ink);
}
.rel-card .thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#EAF4F1,#F3EEE6);
}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rel-card:hover .thumb img{transform:scale(1.04);}
.rel-card .rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.pill{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-900);
  font-size:13px;
  font-weight:500;
  letter-spacing:.5px;
  line-height:1.4;
}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.45;}
.rel-card p{font-size:14px;line-height:1.7;color:var(--ink-2);}
.rel-card .rel-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--brand-900);
  font-weight:600;
}
.rel-card .rel-foot i{transition:transform var(--ease);}
.rel-card:hover .rel-foot i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);
  border-radius:28px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  color:#E9F3F0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;bottom:-120px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(44,156,134,.45) 0%,rgba(44,156,134,0) 70%);
}
.cta-band h2{
  font-size:32px;
  line-height:1.3;
  font-weight:700;
  color:#fff;
  margin-bottom:12px;
}
.cta-band p{font-size:15px;line-height:1.8;color:#BFD6D0;max-width:36em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--dark);
  color:#E9F3F0;
  margin-top:96px;
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#8FA9A4;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:#9DB6B1;
  max-width:26em;
}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  color:#CDE2DD;
  font-size:14px;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.social-row a:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.3px;
}
.footer-col a,.footer-col span{
  display:block;
  font-size:14px;
  line-height:1.9;
  color:#9DB6B1;
  margin-bottom:8px;
  transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:6px;border-left:2px solid var(--brand-500);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#7E9691;
  flex-wrap:wrap;
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  .section{padding:76px 0;}
  .page-hero h1{font-size:38px;}
  .hero-grid{gap:28px;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .split{gap:36px;}
  .cta-band{padding:44px;}
  .cta-band h2{font-size:28px;}
}
@media screen and (max-width:991px){
  .search-box{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .section{padding:72px 0;}
  .page-hero{min-height:340px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-badges{flex-direction:row;max-width:none;justify-self:start;}
  .hero-badge{flex:1 1 0;padding:16px;}
  .hero-badge .num{font-size:24px;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .section-title{font-size:28px;}
}
@media screen and (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .page-hero{min-height:auto;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-badges{flex-direction:column;width:100%;}
  .hero-badge{width:100%;}
  .section-title{font-size:24px;padding-left:16px;}
  .section-title::before{height:20px;top:6px;}
  .steps{grid-template-columns:1fr;}
  .steps-wrap{padding:20px;}
  .split-body h2{font-size:24px;}
  .split-media{aspect-ratio:16/12;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a .faq-a-inner{padding:0 16px 18px;font-size:14px;}
  .notice-strip{padding:16px;font-size:13px;}
  .cta-band{padding:28px;border-radius:20px;}
  .cta-band h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .related-scroll{grid-auto-columns:minmax(240px,80%);}
  .site-footer{margin-top:56px;}
}
@media screen and (max-width:519px){
  .page-hero h1{font-size:26px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .check-card{padding:20px;}
  .rel-card .rel-body{padding:16px;}
}

/* roulang page: article */
:root{
  --brand:#0F6157;
  --brand-light:#2C9C86;
  --brand-grad:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
  --accent:#E4794B;
  --accent-dark:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-ink:#E9F3F0;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 8px rgba(18,32,30,.06);
  --shadow-2:0 12px 28px rgba(18,32,30,.12);
  --shadow-3:0 20px 40px rgba(18,32,30,.14);
  --ease:200ms ease;
}
*,*::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:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,table{margin:0;}
h1,h2,h3,h4{font-family:inherit;color:var(--ink);font-weight:700;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;}
ul,ol{padding-left:0;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(240,179,87,.9);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(228,121,75,.28);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,96,58,.3);}
.btn-accent:active{transform:translateY(0);}
.btn-brand{background:var(--brand);color:#fff;}
.btn-brand:hover{background:#0b4d45;color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:#fff;transform:translateY(-1px);}
.btn-sm{min-height:42px;padding:0 18px;font-size:14px;}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:#fff;}
.header-top{border-bottom:1px solid var(--line);background:#fff;}
.header-top-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand-grad);
  color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;
  box-shadow:0 6px 14px rgba(15,97,87,.24);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:17px;font-weight:700;letter-spacing:-.2px;color:var(--ink);}
.logo-sub{font-size:12px;color:var(--ink-3);letter-spacing:.4px;}
.header-search{
  flex:1;max-width:340px;margin-left:auto;
  display:flex;align-items:center;gap:10px;height:42px;padding:0 18px;
  background:var(--surface-2);border:1px solid transparent;border-radius:999px;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.header-search i{color:var(--ink-3);font-size:14px;}
.header-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
  height:100%;padding:0;
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(44,156,134,.14);}
.header-cta{margin-left:8px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.header-tabs{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-tabs{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;padding:7px 16px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.nav-tab:hover{background:#EAF4F1;color:var(--brand);}
.nav-tab.active{background:var(--brand);color:#fff;box-shadow:0 4px 12px rgba(15,97,87,.2);}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;display:none;
  background:rgba(18,32,30,.45);
}
.mobile-drawer.open{display:block;}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(340px,86vw);height:100%;
  background:#fff;padding:24px 20px;overflow-y:auto;
  box-shadow:-12px 0 40px rgba(18,32,30,.2);
}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:18px;color:var(--ink);cursor:pointer;margin-left:auto;
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;margin:20px 0 16px;
  padding:0 16px;border-radius:999px;background:var(--surface-2);border:1px solid transparent;
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;}
.drawer-link{
  display:block;padding:13px 4px;font-size:15px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand);}
.drawer-cta{width:100%;margin-top:20px;}

/* ---------- article layout ---------- */
.page-main{padding-bottom:8px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:26px 0 0;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{
  color:var(--brand);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr);gap:48px;
  padding:24px 0 0;
}
.article-main{max-width:800px;width:100%;margin:0 auto;min-width:0;}
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);}
.article-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:#EAF4F1;color:var(--brand);
  font-size:13px;font-weight:500;letter-spacing:.5px;
}
.article-pill i{font-size:11px;}
.article-title{
  font-size:44px;line-height:1.18;font-weight:700;letter-spacing:-.5px;
  margin:18px 0 0;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  margin-top:18px;font-size:14px;color:var(--ink-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta i{font-size:13px;color:var(--brand-light);}

/* ---------- article body ---------- */
.article-body{
  margin-top:32px;font-size:17px;line-height:1.9;color:#243431;word-break:break-word;
}
.article-body h2{
  font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);
  margin:44px 0 16px;padding-left:16px;border-left:4px solid var(--brand);
  scroll-margin-top:90px;
}
.article-body h3{
  font-size:23px;line-height:1.4;font-weight:600;color:var(--ink);
  margin:32px 0 12px;scroll-margin-top:90px;
}
.article-body h4{font-size:18px;font-weight:600;margin:24px 0 10px;}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:8px;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.article-body ol{list-style:decimal;padding-left:24px;}
.article-body ol li{margin-bottom:8px;}
.article-body ol li::marker{color:var(--brand);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;background:#EAF4F1;
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;
  color:var(--ink-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px 0;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;line-height:1.7;
}
.article-body a{
  color:var(--brand);text-decoration:underline;
  text-decoration-thickness:1px;text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent);}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;
}
.article-body th{background:var(--surface-2);font-weight:600;color:var(--ink);}
.article-body code{
  background:var(--surface-2);border-radius:6px;padding:2px 6px;font-size:.92em;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

.article-empty{
  padding:56px 24px;text-align:center;background:#fff;
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
}
.article-empty i{font-size:38px;color:var(--brand-light);}
.article-empty p{font-size:20px;font-weight:600;margin:16px 0 6px;color:var(--ink);}
.article-empty .sub{font-size:14px;font-weight:400;color:var(--ink-2);margin:0 0 22px;line-height:1.8;}

/* ---------- article actions ---------- */
.article-actions{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:44px;padding:22px 0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.action-tools{display:flex;gap:10px;flex-wrap:wrap;}
.tool-btn{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line-strong);color:var(--ink-2);
  font-size:14px;cursor:pointer;transition:all var(--ease);
}
.tool-btn:hover{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1);}

/* ---------- sidebar ---------- */
.article-side{display:none;min-width:0;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-title{
  font-size:14px;font-weight:600;letter-spacing:.5px;color:var(--ink);
  margin:0 0 14px;display:flex;align-items:center;gap:8px;
}
.side-title::before{
  content:"";width:4px;height:14px;border-radius:2px;background:var(--brand);
}
.toc-list{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);}
.toc-list li{margin:0;}
.toc-list a{
  display:block;padding:7px 0 7px 12px;margin-left:-2px;
  border-left:2px solid transparent;
  font-size:13.5px;line-height:1.6;color:var(--ink-2);
  transition:all var(--ease);
}
.toc-list a:hover,.toc-list a.active{color:var(--brand);border-left-color:var(--brand);}
.side-links{display:flex;flex-direction:column;gap:12px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--ink-2);padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.side-links a:last-child{border-bottom:0;padding-bottom:0;}
.side-links a:hover{color:var(--brand);}
.side-links i{font-size:12px;color:var(--ink-3);}

/* ---------- related ---------- */
.section{padding:64px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:28px;
}
.section-title{
  font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.3px;
  display:flex;align-items:center;gap:14px;margin:0;
}
.section-title::before{
  content:"";width:40px;height:4px;border-radius:999px;background:var(--brand);flex:0 0 auto;
}
.section-sub{font-size:14px;color:var(--ink-2);margin:10px 0 0;}
.reco-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,97,87,.3);}
.card-media{
  position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-tag{
  align-self:flex-start;padding:3px 11px;border-radius:999px;
  background:#EAF4F1;color:var(--brand);font-size:12px;font-weight:500;letter-spacing:.4px;
}
.card-title{
  font-size:17px;line-height:1.4;font-weight:600;color:var(--ink);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-desc{
  font-size:14px;line-height:1.7;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:10px;font-size:13px;color:var(--ink-3);padding-top:6px;
}
.card-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:500;font-size:13px;}
.card:hover .card-arrow i{transform:translateX(4px);}
.card-arrow i{transition:transform var(--ease);}

/* ---------- cta ---------- */
.cta-wrap{padding:72px 0 0;}
.cta-block{
  position:relative;overflow:hidden;
  background:var(--brand-grad);border-radius:28px;
  padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(15,97,87,.22);
}
.cta-block::after{
  content:"";position:absolute;right:-60px;top:-80px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,255,255,.12);filter:blur(28px);pointer-events:none;
}
.cta-text h2{
  font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin:0 0 10px;letter-spacing:-.3px;
}
.cta-text p{font-size:15px;line-height:1.8;color:rgba(233,243,240,.88);margin:0;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-block .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-block .btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);margin-top:80px;padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;
}
.footer-brand .logo-mark{background:var(--brand-grad);}
.footer-brand .logo-name{color:#fff;font-size:17px;}
.footer-brand .logo-sub{color:rgba(233,243,240,.58);}
.footer-brand p{
  font-size:14px;line-height:1.8;color:rgba(233,243,240,.7);
  margin:16px 0 18px;max-width:300px;
}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;font-size:14px;
  background:rgba(255,255,255,.08);color:var(--dark-ink);
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.social-row a:hover{background:var(--brand-light);color:#fff;transform:translateY(-2px);}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;margin:0 0 16px;letter-spacing:.4px;
}
.footer-col a,.footer-col span{
  display:block;font-size:14px;line-height:1.7;color:rgba(233,243,240,.7);
  margin-bottom:10px;transition:color var(--ease),padding-left var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:6px;border-left:2px solid var(--brand-light);margin-left:-8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(233,243,240,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{display:none;}
  .article-title{font-size:38px;}
  .article-body h2{font-size:29px;}
}
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:56px;}
  .article-side{display:block;}
  .article-main{margin:0;}
}
@media (max-width:991px){
  .container{padding:0 20px;}
  .header-search{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .header-top-inner{gap:16px;}
  .reco-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-block{padding:40px 32px;}
  .section-title{font-size:28px;}
  .article-title{font-size:33px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:26px;}
  .article-body h3{font-size:21px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-top-inner{height:64px;}
  .logo-mark{width:36px;height:36px;border-radius:10px;font-size:16px;}
  .logo-name{font-size:15.5px;}
  .logo-sub{font-size:11px;}
  .nav-tabs{height:46px;gap:6px;}
  .nav-tab{padding:6px 13px;font-size:13.5px;}
  .breadcrumb{padding-top:18px;font-size:12.5px;}
  .breadcrumb .current{max-width:200px;}
  .article-layout{padding-top:16px;gap:32px;}
  .article-title{font-size:28px;line-height:1.25;}
  .article-meta{font-size:13px;gap:8px 14px;}
  .article-body{font-size:16px;line-height:1.85;margin-top:24px;}
  .article-body h2{font-size:23px;margin-top:34px;padding-left:12px;}
  .article-body h3{font-size:19px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;font-size:14px;}
  .article-body th,.article-body td{padding:10px;}
  .article-actions{flex-direction:column;align-items:stretch;}
  .action-tools{width:100%;}
  .tool-btn{flex:1;justify-content:center;}
  .section{padding-top:48px;}
  .section-title{font-size:24px;gap:10px;}
  .section-title::before{width:28px;height:3px;}
  .reco-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .cta-wrap{padding-top:48px;}
  .cta-block{padding:32px 22px;border-radius:20px;}
  .cta-text h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .site-footer{margin-top:56px;padding-top:40px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12px;}
}
@media (max-width:520px){
  .article-title{font-size:25px;}
  .article-empty{padding:40px 18px;}
  .btn{width:100%;}
  .article-actions .btn{width:auto;}
}

/* roulang page: category2 */
:root{
  --brand-dark:#0F6157;
  --brand-light:#2C9C86;
  --brand-grad:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
  --accent:#E4794B;
  --accent-deep:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --tint:#EAF4F1;
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-2:#1B2C29;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(18,32,30,.06);
  --sh-2:0 12px 28px rgba(18,32,30,.12);
  --sh-3:0 20px 40px rgba(18,32,30,.14);
  --ease:200ms ease;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.2px;}
h1{font-size:44px;line-height:1.15;letter-spacing:-.5px;}
h2{font-size:34px;}
h3{font-size:22px;line-height:1.35;font-weight:600;}
h4{font-size:18px;line-height:1.4;font-weight:600;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:4px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:var(--sec) 0;}
.section--tight{padding:64px 0;}

/* ============ 导航 ============ */
.site-header{position:relative;z-index:60;}
.header-top{background:#fff;border-bottom:1px solid var(--line);}
.header-top-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo-mark{
  width:42px;height:42px;flex-shrink:0;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
  box-shadow:var(--sh-1);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.logo-sub{font-size:12px;color:var(--ink-3);margin-top:2px;}
.header-search{
  flex:1;
  max-width:380px;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 18px;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.header-search i{color:var(--ink-3);font-size:14px;}
.header-search input{
  flex:1;border:0;background:transparent;height:100%;
  font-size:14px;color:var(--ink);outline:none;
}
.header-search input::placeholder{color:var(--ink-3);}
.header-search:focus-within{background:#fff;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(44,156,134,.15);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--line-strong);
  color:var(--ink);
  font-size:17px;
  align-items:center;justify-content:center;
  background:#fff;
}
.nav-toggle:hover{border-color:var(--brand-light);color:var(--brand-dark);}
.nav-bar{
  position:sticky;top:0;z-index:55;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,32,30,.03);
}
.nav-tabs{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  padding-top:6px;
  padding-bottom:6px;
  scroll-margin-top:80px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background var(--ease),color var(--ease);
}
.nav-tab:hover{background:var(--tint);color:var(--brand-dark);}
.nav-tab.active{background:var(--brand-dark);color:#fff;font-weight:600;}
.nav-tab.active:hover{background:var(--brand-dark);color:#fff;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;
  background:rgba(18,32,30,.45);
  display:none;
  z-index:120;
}
.mobile-drawer.is-open{display:block;}
.drawer-panel{
  width:min(86%,350px);
  height:100%;
  background:#fff;
  padding:24px 20px 32px;
  overflow-y:auto;
  margin-left:auto;
  box-shadow:var(--sh-3);
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);color:var(--ink-2);}
.drawer-panel .nav-tab{width:100%;justify-content:flex-start;border-radius:var(--r-sm);}
.drawer-panel .nav-tab.active{background:var(--brand-dark);}
.drawer-search{margin:20px 0;max-width:none;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn-primary:active{transform:translateY(0);background:var(--accent-deep);}
.btn-outline{border-color:var(--line-strong);color:var(--ink);background:#fff;}
.btn-outline:hover{border-color:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-light:hover{background:#fff;color:var(--brand-dark);border-color:#fff;}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-dark);font-weight:600;font-size:15px;
}
.text-link i{transition:transform var(--ease);font-size:13px;}
.text-link:hover{color:var(--accent);}
.text-link:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.hero-wrap{padding-top:28px;}
.hero-cat{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:48px;
  min-height:350px;
  display:flex;
  align-items:center;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(15,97,87,.94) 0%,rgba(15,97,87,.82) 45%,rgba(44,156,134,.58) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.hero-cat-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  width:100%;
  position:relative;
  z-index:2;
}
.hero-cat-copy{max-width:640px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.4);
  font-size:13px;font-weight:500;letter-spacing:.5px;
  color:#E9F3F0;
  margin-bottom:18px;
}
.hero-cat h1{color:#fff;font-size:40px;margin-bottom:14px;}
.hero-cat p{color:#DCEBE6;font-size:16px;line-height:1.7;margin-bottom:26px;max-width:560px;}
.hero-badges{display:flex;gap:14px;flex-wrap:wrap;}
.stat-badge{
  background:#fff;
  border-radius:var(--r-md);
  padding:16px 20px;
  min-width:140px;
  box-shadow:var(--sh-2);
}
.stat-badge .num{
  display:block;
  font-size:30px;font-weight:700;line-height:1.1;letter-spacing:-.5px;
  color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
}
.stat-badge .unit{font-size:13px;font-weight:500;color:var(--ink-3);margin-left:4px;}
.stat-badge .desc{display:block;font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.5;}

/* ============ 区块标题 ============ */
.sec-head{margin-bottom:40px;}
.sec-head::before{
  content:"";display:block;
  width:40px;height:4px;border-radius:999px;
  background:var(--brand-light);
  margin-bottom:18px;
}
.sec-num{
  display:block;
  font-size:13px;font-weight:700;letter-spacing:3px;
  color:var(--brand-light);
  margin-bottom:8px;
  font-variant-numeric:tabular-nums;
}
.sec-head h2{max-width:760px;}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:720px;}

/* ============ 简介区 ============ */
.intro-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:32px;
  align-items:start;
}
.intro-text p{color:var(--ink-2);font-size:16.5px;}
.intro-text h2{margin-bottom:18px;}
.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 28px;
  box-shadow:var(--sh-1);
}
.check-card h3{font-size:19px;margin-bottom:6px;}
.check-card .card-note{font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.65;
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--brand-light);font-size:15px;margin-top:4px;flex-shrink:0;}
.check-card .text-link{margin-top:20px;}

/* ============ 资料卡片 ============ */
.material-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.material-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 26px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.material-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(44,156,134,.45);}
.material-icon{
  width:48px;height:48px;
  border-radius:14px;
  background:var(--tint);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;
  margin-bottom:18px;
}
.material-card h3{font-size:19px;margin-bottom:10px;}
.material-card p{font-size:14.5px;color:var(--ink-2);margin-bottom:16px;}
.mini-list li{
  position:relative;
  padding-left:16px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
  margin-bottom:6px;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:2px;
  background:var(--brand-light);
}

/* ============ 图文交替 ============ */
.alt-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.alt-block + .alt-block{margin-top:80px;}
.alt-media{
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/11;
  background:linear-gradient(135deg,#E9F3F0,#F3EEE6);
}
.alt-media img{width:100%;height:100%;object-fit:cover;}
.alt-block.reverse .alt-media{order:2;}
.alt-body h3{font-size:26px;margin-bottom:14px;}
.alt-body p{color:var(--ink-2);font-size:16px;}
.step-list{counter-reset:step;margin-top:20px;}
.step-list li{
  counter-increment:step;
  position:relative;
  padding:14px 0 14px 48px;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--ink-2);
  line-height:1.7;
}
.step-list li:last-child{border-bottom:0;}
.step-list li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:14px;
  width:32px;height:32px;
  border-radius:10px;
  background:var(--tint);
  color:var(--brand-dark);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-list strong{color:var(--ink);font-weight:600;}

/* ============ FAQ ============ */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(44,156,134,.5);}
.faq-item.is-open{border-color:var(--brand-light);box-shadow:var(--sh-1);}
.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.5;
}
.faq-icon{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--surface-2);
  color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;
  transition:transform var(--ease),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--brand-dark);color:#fff;transform:rotate(180deg);}
.faq-panel{display:none;padding:0 24px 22px;}
.faq-panel p{font-size:15px;line-height:1.8;color:var(--ink-2);margin:0;}
.faq-item.is-open .faq-panel{display:block;}

/* ============ 相关频道 ============ */
.rel-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding-bottom:8px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.rel-track::-webkit-scrollbar{display:none;}
.rel-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:flex;
  flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(44,156,134,.4);}
.rel-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#E9F3F0,#F3EEE6);}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rel-card:hover .rel-media img{transform:scale(1.04);}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.pill{
  display:inline-flex;align-items:center;
  align-self:flex-start;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--tint);
  color:var(--brand-dark);
  font-size:12.5px;font-weight:500;letter-spacing:.5px;
  margin-bottom:12px;
}
.rel-body h3{font-size:17px;margin-bottom:8px;}
.rel-body p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;}
.rel-body .text-link{margin-top:auto;font-size:14px;}

/* ============ CTA ============ */
.cta-band{
  margin-top:8px;
  background:var(--dark);
  border-radius:28px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  color:#E9F3F0;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-80px;top:-90px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(44,156,134,.5),rgba(44,156,134,0) 70%);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.cta-band p{color:#B9CEC8;font-size:15.5px;max-width:520px;margin:0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#E9F3F0;margin-top:80px;padding:56px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-mark{background:var(--brand-grad);box-shadow:none;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:#7E938D;}
.footer-brand p{font-size:14px;color:#9DB3AD;line-height:1.8;max-width:300px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(233,243,240,.22);
  color:#B9CEC8;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.social-row a:hover{background:var(--brand-light);border-color:var(--brand-light);color:#fff;}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col a,.footer-col span{
  display:block;
  font-size:14px;
  color:#9DB3AD;
  line-height:1.7;
  margin-bottom:10px;
  padding-left:0;
  transition:color var(--ease),padding-left var(--ease),border-color var(--ease);
  border-left:2px solid transparent;
}
.footer-col a:hover{color:#fff;padding-left:8px;border-left-color:var(--brand-light);}
.footer-bottom{
  border-top:1px solid rgba(233,243,240,.14);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:#7E938D;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--sec:76px;}
  h1{font-size:38px;}
  h2{font-size:29px;}
  .hero-cat h1{font-size:34px;}
  .cta-band{padding:44px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:991px){
  :root{--sec:68px;}
  .header-search{display:none;}
  .hero-cat{padding:40px;min-height:auto;}
  .hero-cat-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .hero-cat h1{font-size:30px;}
  .intro-grid{grid-template-columns:1fr;}
  .material-grid{grid-template-columns:repeat(2,1fr);}
  .alt-block{grid-template-columns:1fr;gap:28px;}
  .alt-block.reverse .alt-media{order:0;}
  .alt-block + .alt-block{margin-top:56px;}
}
@media screen and (max-width:767px){
  :root{--sec:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .header-top-inner{min-height:64px;gap:12px;}
  .header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions{margin-left:auto;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero-cat{padding:28px 22px;border-radius:20px;}
  .hero-cat h1{font-size:25px;margin-bottom:10px;}
  .hero-cat p{font-size:14.5px;margin-bottom:20px;}
  .hero-badges{width:100%;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;}
  .stat-badge{min-width:132px;padding:14px 16px;}
  .stat-badge .num{font-size:24px;}
  .material-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:28px;}
  .check-card{padding:24px 20px;}
  .faq-question{padding:16px;font-size:15px;}
  .faq-panel{padding:0 16px 18px;}
  .cta-band{flex-direction:column;align-items:flex-start;gap:24px;padding:32px 24px;border-radius:22px;}
  .cta-band h2{font-size:23px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .rel-card{flex:0 0 82%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .site-footer{margin-top:56px;}
  .step-list li{padding-left:44px;}
}
@media screen and (max-width:520px){
  .logo-mark{width:38px;height:38px;font-size:17px;}
  .logo-name{font-size:14.5px;}
  .logo-sub{font-size:11px;}
  .alt-body h3{font-size:21px;}
  .btn{padding:0 20px;font-size:14.5px;}
}

/* roulang page: category3 */
:root{
  --brand-deep:#0F6157;
  --brand:#2C9C86;
  --accent:#E4794B;
  --accent-deep:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-ink:#E9F3F0;
  --gradient:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 8px rgba(18,32,30,.06);
  --shadow-2:0 12px 28px rgba(18,32,30,.12);
  --shadow-3:0 20px 40px rgba(18,32,30,.14);
  --ease:200ms ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input{font:inherit;}
input[type="search"]{-webkit-appearance:none;appearance:none;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--surface-2);}

/* ---------- 顶部品牌行 ---------- */
.topbar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--gradient);
  color:#fff;
  display:grid;place-items:center;
  font-size:20px;font-weight:700;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-name{font-size:17px;font-weight:700;letter-spacing:.2px;}
.logo-sub{font-size:12px;color:var(--ink-3);letter-spacing:.3px;}
.nav-search{
  flex:1 1 auto;
  max-width:360px;
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 18px;
  border-radius:999px;
  background:var(--surface-2);
  border:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.nav-search i{color:var(--ink-3);font-size:14px;}
.nav-search input{
  flex:1;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--ink);
  outline:none;
}
.nav-search input::placeholder{color:var(--ink-3);}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(44,156,134,.16);
}
.topbar-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--ink);
  font-size:18px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  letter-spacing:.3px;
  border:1px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,96,58,.26);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);background:#EAF4F1;}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{background:#E9F3F0;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ---------- 频道行 ---------- */
.nav-tabs{
  position:sticky;
  top:0;
  z-index:60;
  max-width:1200px;
  margin:0 auto;
  padding:10px 24px;
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  scroll-margin-top:80px;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs::before{
  content:"";
  position:absolute;
  top:0;bottom:0;left:50%;
  width:100vw;
  transform:translateX(-50%);
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  z-index:-1;
}
.nav-tab{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  letter-spacing:.3px;
  color:var(--ink-2);
  transition:background var(--ease),color var(--ease);
}
.nav-tab:hover{background:#EAF4F1;color:var(--brand-deep);}
.nav-tab.active{background:var(--brand-deep);color:#fff;}

/* ---------- 分类页 Hero ---------- */
.hero-cat{
  position:relative;
  min-height:360px;
  padding:72px 0 64px;
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(15,97,87,.95) 0%,rgba(15,97,87,.82) 46%,rgba(44,156,134,.46) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-cat::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  right:-120px;top:-160px;
  background:var(--gradient);
  filter:blur(80px);
  opacity:.28;
  pointer-events:none;
}
.hero-cat-inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
}
.hero-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.32);
  font-size:13px;
  font-weight:500;
  letter-spacing:.5px;
  color:#EAF6F2;
  margin-bottom:20px;
}
.hero-cat h1{
  font-size:clamp(30px,3.6vw,44px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:16px;
}
.hero-cat p.hero-sub{
  font-size:16px;
  line-height:1.7;
  color:#DDEDE8;
  max-width:520px;
}
.hero-badges{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.hero-badge{
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--radius-md);
  padding:20px 18px;
  backdrop-filter:blur(2px);
}
.hero-badge .num{
  font-size:30px;
  font-weight:700;
  line-height:1.1;
  letter-spacing:-.5px;
  font-variant-numeric:tabular-nums;
  display:block;
}
.hero-badge .num small{font-size:13px;font-weight:500;margin-left:4px;letter-spacing:0;}
.hero-badge .cap{
  display:block;
  margin-top:6px;
  font-size:13px;
  line-height:1.5;
  color:#CFE5DF;
}

/* ---------- 面包屑 ---------- */
.crumb{
  font-size:13px;
  color:var(--ink-3);
  padding:20px 0 0;
}
.crumb a:hover{color:var(--brand-deep);}
.crumb span{color:var(--brand-deep);}
.crumb .sep{margin:0 8px;color:var(--line-strong);}

/* ---------- 标题体系 ---------- */
.sec-title{
  font-size:clamp(24px,2.6vw,32px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.3px;
  color:var(--ink);
}
.sec-num{color:var(--brand-deep);font-weight:800;margin-right:10px;font-variant-numeric:tabular-nums;}
.sec-num::after{content:" /";color:var(--line-strong);font-weight:400;}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:680px;}
.sec-head{margin-bottom:40px;}

/* ---------- 简介段 7/5 ---------- */
.grid-7-5{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:start;
}
.prose p{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:18px;
}
.prose p:last-child{margin-bottom:0;}
.prose strong{color:var(--ink);font-weight:600;}

.check-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:32px;
  box-shadow:var(--shadow-1);
}
.check-card h3{font-size:18px;font-weight:600;margin-bottom:20px;}
.check-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li:first-child{padding-top:0;}
.check-icon{
  flex:0 0 32px;
  width:32px;height:32px;
  border-radius:10px;
  background:#EAF4F1;
  color:var(--brand-deep);
  display:grid;place-items:center;
  font-size:13px;
}
.check-list b{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.check-list em{font-style:normal;font-size:13px;color:var(--ink-3);line-height:1.6;}

/* ---------- 模块卡网格 ---------- */
.card-grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.mod-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.mod-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(44,156,134,.36);
}
.mod-icon{
  width:46px;height:46px;
  border-radius:14px;
  background:var(--gradient);
  color:#fff;
  display:grid;place-items:center;
  font-size:18px;
  margin-bottom:18px;
}
.mod-card h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.mod-card p{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:18px;}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--ink-2);
  font-size:13px;
  font-weight:500;
  letter-spacing:.4px;
}
.tag--brand{background:#EAF4F1;color:var(--brand-deep);}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:72px;}
.split-media{
  position:relative;
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--shadow-2);
  background:linear-gradient(135deg,#E7F0ED,#F3EEE6);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.split-media:hover img{transform:scale(1.04);}
.split-media .corner-pill{
  position:absolute;
  left:16px;top:16px;
  padding:5px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
}
.split--reverse .split-media{order:2;}
.split-body h3{font-size:22px;font-weight:600;line-height:1.4;margin-bottom:14px;}
.split-body p{font-size:15px;line-height:1.85;color:var(--ink-2);margin-bottom:18px;}
.dot-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:8px;
}
.dot-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:1px;
  background:var(--brand);
}
.dot-list li b{color:var(--ink);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(44,156,134,.5);}
.faq-item.open{box-shadow:var(--shadow-1);border-color:rgba(44,156,134,.55);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  min-height:44px;
}
.faq-q i{
  flex:0 0 auto;
  font-size:14px;
  color:var(--brand-deep);
  transition:transform var(--ease);
}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ---------- 相关推荐 ---------- */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rec-card{
  display:block;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(44,156,134,.36);}
.rec-thumb{
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#E7F0ED,#F3EEE6);
}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px 22px 22px;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;}
.rec-body p{font-size:14px;line-height:1.7;color:var(--ink-2);}
.rec-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;font-size:13px;color:var(--ink-3);
}
.rec-foot .arrow{color:var(--brand-deep);transition:transform var(--ease);}
.rec-card:hover .rec-foot .arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-block{
  border-radius:28px;
  padding:56px;
  background:linear-gradient(120deg,#0F6157 0%,#134E46 55%,#12201E 100%);
  color:var(--dark-ink);
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow-2);
}
.cta-block h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;margin-bottom:12px;color:#fff;}
.cta-block p{font-size:15px;line-height:1.8;color:#C9DFD9;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:var(--dark-ink);
  margin-top:80px;
  padding:56px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer .logo-mark{background:var(--gradient);}
.site-footer .logo-name{color:#fff;}
.site-footer .logo-sub{color:#8FA8A2;}
.footer-brand p{
  margin:18px 0 20px;
  font-size:14px;
  line-height:1.8;
  color:#9DB4AE;
  max-width:320px;
}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  color:#CFE0DB;
  font-size:14px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.social-row a:hover{background:rgba(44,156,134,.28);color:#fff;border-color:rgba(44,156,134,.5);}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col a,.footer-col span{
  display:block;
  font-size:14px;
  line-height:1.6;
  color:#9DB4AE;
  padding:6px 0;
  transition:color var(--ease),box-shadow var(--ease);
}
.footer-col a{border-left:2px solid transparent;padding-left:0;}
.footer-col a:hover{color:#fff;border-left:2px solid var(--brand);padding-left:8px;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8FA8A2;
}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:rgba(18,32,30,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--ease);
}
.mobile-drawer.open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;
  top:0;right:0;bottom:0;
  width:min(330px,86vw);
  background:#fff;
  padding:24px 20px 32px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform 240ms ease;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.mobile-drawer.open .drawer-panel{transform:none;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:16px;
}
.drawer-panel .nav-tab{width:100%;text-align:left;border-radius:12px;font-size:15px;}
.drawer-cta{margin-top:16px;}
.drawer-note{font-size:13px;color:var(--ink-3);line-height:1.7;margin-top:16px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:72px 0;}
  .grid-7-5{gap:32px;}
  .split{gap:36px;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .nav-toggle{display:grid;}
  .topbar-actions .btn{display:none;}
  .topbar-inner{gap:16px;}
  .hero-cat-inner{grid-template-columns:1fr;gap:32px;}
  .hero-cat{padding:56px 0 52px;min-height:0;}
  .grid-7-5{grid-template-columns:1fr;}
  .card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split{grid-template-columns:1fr;gap:24px;}
  .split--reverse .split-media{order:0;}
  .split + .split{margin-top:56px;}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-block{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav-tabs{padding:10px 16px;}
  .section{padding:56px 0;}
  .hero-cat{padding:48px 0 44px;}
  .hero-badges{grid-template-columns:1fr 1fr;gap:12px;}
  .hero-badge{padding:16px 14px;}
  .hero-badge .num{font-size:24px;}
  .card-grid-3{grid-template-columns:1fr;}
  .mod-card{padding:24px;}
  .check-card{padding:24px;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 18px;}
  .rec-grid{
    grid-template-columns:1fr;
    grid-auto-flow:row;
    gap:16px;
  }
  .cta-block{padding:28px 22px;border-radius:20px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .hero-cat h1{font-size:26px;}
  .hero-badges{grid-template-columns:1fr;}
  .btn{padding:0 20px;font-size:14px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0F6157;
  --brand-700:#187A6B;
  --brand-500:#2C9C86;
  --brand-gradient:linear-gradient(135deg,#0F6157 0%,#2C9C86 100%);
  --accent:#E4794B;
  --accent-dark:#C9603A;
  --amber:#F0B357;
  --bg:#FBF8F3;
  --surface:#FFFFFF;
  --surface-2:#F3EEE6;
  --surface-3:#EAF4F1;
  --ink:#1C2A28;
  --ink-2:#55635F;
  --ink-3:#8A9793;
  --line:#E5DFD5;
  --line-strong:#D6CFC3;
  --dark:#12201E;
  --dark-ink:#E9F3F0;
  --dark-muted:#9FBBB4;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow-1:0 2px 8px rgba(18,32,30,.06);
  --shadow-2:0 12px 28px rgba(18,32,30,.12);
  --shadow-3:0 20px 40px rgba(18,32,30,.14);
  --t:200ms ease;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--brand-900);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5,p,figure{margin:0;}
button{font-family:inherit;}
input,button,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding-top:var(--section);}
.section-sm{padding-top:64px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:32px;}
.section-title{font-size:34px;line-height:1.25;font-weight:700;color:var(--ink);position:relative;padding-left:20px;}
.section-title::before{content:"";position:absolute;left:0;top:8px;width:4px;height:28px;border-radius:4px;background:var(--brand-500);}
.section-sub{font-size:15px;color:var(--ink-2);max-width:640px;margin-top:8px;}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.5px;color:var(--brand-900);background:var(--surface-3);padding:6px 14px;border-radius:999px;}
.text-link{font-size:15px;font-weight:600;color:var(--brand-900);display:inline-flex;align-items:center;gap:8px;}
.text-link i{transition:transform var(--t);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background-color var(--t),color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 8px rgba(201,96,58,.2);}
.btn-primary:hover,.btn-primary:focus{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 28px rgba(201,96,58,.26);}
.btn-primary:active{transform:translateY(0);background:#B4542F;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand-900);}
.btn-ghost:hover,.btn-ghost:focus{background:#fff;border-color:var(--brand-900);color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-1);}
.btn-light{background:#fff;color:var(--brand-900);}
.btn-light:hover{background:var(--surface-3);color:var(--brand-900);transform:translateY(-1px);}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;}
.header-top{background:#fff;border-bottom:1px solid var(--line);height:72px;display:flex;align-items:center;overflow:hidden;transition:height var(--t),opacity var(--t),border-color var(--t);}
body.scrolled .header-top{height:0;opacity:0;border-color:transparent;}
.header-top-inner{display:flex;align-items:center;gap:24px;width:100%;}
.logo{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.logo-mark{
  width:42px;height:42px;border-radius:12px;background:var(--brand-gradient);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(15,97,87,.24);
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.logo-sub{font-size:12px;color:var(--ink-3);letter-spacing:.5px;}
.header-search{
  flex:1 1 auto;max-width:420px;margin-left:auto;
  display:flex;align-items:center;gap:10px;height:44px;padding:0 18px;
  background:var(--surface-2);border:1px solid transparent;border-radius:999px;
  transition:background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.header-search i{color:var(--ink-3);font-size:14px;}
.header-search input{flex:1 1 auto;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);height:100%;}
.header-search input::placeholder{color:var(--ink-3);}
.header-search:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(44,156,134,.15);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:18px;cursor:pointer;align-items:center;justify-content:center;
  transition:background-color var(--t),border-color var(--t);
}
.menu-toggle:hover{background:var(--surface-3);border-color:var(--brand-500);}

.nav-bar{background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(18,32,30,.02);}
.nav-tabs{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:background-color var(--t),color var(--t);
}
.nav-tab:hover{background:var(--surface-3);color:var(--brand-900);}
.nav-tab.active{background:var(--brand-900);color:#fff;font-weight:600;}
.nav-tab.active:hover{background:var(--brand-900);color:#fff;}

/* ---------- 移动抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:120;display:none;}
.drawer.open{display:block;}
.drawer-mask{position:absolute;inset:0;background:rgba(18,32,30,.45);}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(340px,88vw);height:100%;background:#fff;
  padding:20px;overflow-y:auto;box-shadow:var(--shadow-3);display:flex;flex-direction:column;gap:20px;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:18px;cursor:pointer;}
.drawer-search{display:flex;align-items:center;gap:10px;height:44px;padding:0 16px;background:var(--surface-2);border-radius:999px;}
.drawer-search i{color:var(--ink-3);}
.drawer-search input{flex:1 1 auto;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);font-weight:500;}
.drawer-nav a:hover{background:var(--surface-3);color:var(--brand-900);}
.drawer-nav a.active{background:var(--brand-900);color:#fff;}
.drawer-cta{width:100%;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:72px 0 60px;
  background-image:
    linear-gradient(270deg,rgba(15,97,87,.95) 0%,rgba(24,122,107,.86) 42%,rgba(44,156,134,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,179,87,.28) 0%,rgba(240,179,87,0) 70%);filter:blur(40px);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-inner{display:grid;grid-template-columns:1fr auto;gap:48px;align-items:center;min-height:250px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:500;letter-spacing:.5px;color:#fff;margin-bottom:18px;
}
.hero-eyebrow i{font-size:12px;color:var(--amber);}
.page-hero h1{font-size:46px;line-height:1.15;letter-spacing:-.5px;font-weight:700;color:#fff;max-width:16em;}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.7;color:#D8ECE6;max-width:34em;}
.hero-badges{display:flex;flex-direction:column;gap:14px;flex:0 0 auto;}
.hero-badge{
  background:rgba(255,255,255,.94);border-radius:var(--radius-md);padding:16px 22px;min-width:190px;
  box-shadow:var(--shadow-2);color:var(--ink);
}
.hero-badge .num{font-size:30px;font-weight:700;line-height:1;color:var(--brand-900);letter-spacing:-.5px;}
.hero-badge .num span{font-size:13px;font-weight:600;margin-left:4px;color:var(--ink-2);}
.hero-badge .cap{font-size:13px;color:var(--ink-2);margin-top:6px;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.78);margin-bottom:20px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ---------- 简介段 ---------- */
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.intro-text h2{font-size:32px;line-height:1.25;font-weight:700;margin-bottom:20px;}
.intro-text p{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:16px;}
.intro-text p strong{color:var(--ink);font-weight:600;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.side-card .side-sub{font-size:14px;color:var(--ink-3);margin-bottom:20px;}
.check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink-2);line-height:1.7;}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li i{flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--surface-3);color:var(--brand-900);display:inline-flex;align-items:center;justify-content:center;font-size:11px;margin-top:4px;}
.side-card .btn{width:100%;margin-top:24px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:rgba(15,97,87,.38);box-shadow:var(--shadow-1);}
.faq-item.open{border-color:rgba(15,97,87,.5);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--brand-900);}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--surface-3);color:var(--brand-900);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform var(--t),background-color var(--t),color var(--t);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand-900);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-a-inner strong{color:var(--ink);font-weight:600;}

/* ---------- 图文交替内容块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:64px;}
.split:last-child{margin-bottom:0;}
.split.reverse .split-media{order:2;}
.split-media{position:relative;}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--shadow-2);}
.split-media .media-tag{
  position:absolute;left:20px;top:20px;background:rgba(255,255,255,.94);color:var(--brand-900);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-1);
}
.split-media .media-num{
  position:absolute;right:-18px;bottom:-18px;width:76px;height:76px;border-radius:50%;
  background:var(--brand-gradient);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:700;box-shadow:var(--shadow-2);
}
.split-body h3{font-size:26px;line-height:1.35;font-weight:700;margin-bottom:16px;padding-left:16px;position:relative;}
.split-body h3::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:4px;background:var(--brand-500);}
.split-body p{font-size:16px;line-height:1.85;color:var(--ink-2);margin-bottom:14px;}
.step-list li{display:flex;gap:14px;padding:10px 0;font-size:15px;color:var(--ink-2);line-height:1.75;}
.step-list li .step-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--surface-3);color:var(--brand-900);
  font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}

/* ---------- 相关推荐 ---------- */
.rec-scroll{display:flex;gap:24px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:thin;}
.rec-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,97,87,.3);}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform 400ms ease;}
.rec-card:hover img{transform:scale(1.04);}
.rec-thumb{overflow:hidden;}
.rec-body{padding:20px 22px 24px;}
.rec-pill{display:inline-block;font-size:12px;font-weight:500;letter-spacing:.5px;color:var(--brand-900);background:var(--surface-3);padding:4px 12px;border-radius:999px;margin-bottom:12px;}
.rec-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.rec-foot i{transition:transform var(--t);color:var(--brand-900);}
.rec-card:hover .rec-foot i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,#0F6157 0%,#12201E 100%);
  border-radius:28px;padding:56px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,156,134,.5) 0%,rgba(44,156,134,0) 70%);filter:blur(30px);
}
.cta-copy{position:relative;z-index:2;max-width:560px;}
.cta-copy h2{font-size:30px;line-height:1.3;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-copy p{font-size:15px;line-height:1.8;color:#CFE5DF;}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);margin-top:80px;padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-brand .logo-name{color:#fff;}
.footer-brand .logo-sub{color:var(--dark-muted);}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--dark-muted);margin:18px 0 20px;max-width:20em;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(233,243,240,.22);
  display:inline-flex;align-items:center;justify-content:center;color:var(--dark-ink);font-size:14px;
  transition:background-color var(--t),border-color var(--t),transform var(--t);
}
.social-row a:hover{background:var(--brand-500);border-color:var(--brand-500);color:#fff;transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--dark-muted);margin-bottom:10px;line-height:1.6;border-left:2px solid transparent;padding-left:0;transition:color var(--t),border-color var(--t),padding-left var(--t);}
.footer-col a:hover{color:#fff;border-left-color:var(--brand-500);padding-left:8px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(233,243,240,.14);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--dark-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--section:72px;}
  .page-hero h1{font-size:38px;}
  .section-title{font-size:30px;}
  .split{gap:36px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .header-search{max-width:280px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-badges{flex-direction:row;flex-wrap:wrap;}
  .hero-badge{flex:1 1 160px;min-width:0;}
  .intro-grid{grid-template-columns:1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:28px;margin-bottom:48px;}
  .split.reverse .split-media{order:0;}
  .split-media .media-num{width:64px;height:64px;font-size:20px;right:12px;bottom:-16px;}
  .cta-band{padding:40px;flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--section:56px;}
  .container{padding-left:16px;padding-right:16px;}
  .header-top{height:64px;}
  .header-search{display:none;}
  .menu-toggle{display:inline-flex;}
  .header-actions .btn{display:none;}
  .logo-name{font-size:16px;}
  .logo-sub{font-size:11px;}
  .page-hero{padding:48px 0 44px;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:15px;}
  .hero-badges{flex-direction:column;}
  .hero-badge{width:100%;}
  .section-title{font-size:26px;}
  .intro-text h2{font-size:24px;}
  .side-card{padding:24px;}
  .faq-q{padding:16px;font-size:15px;}
  .faq-a-inner{padding:0 16px 18px;font-size:14px;}
  .split-body h3{font-size:22px;}
  .rec-card{flex:0 0 268px;}
  .cta-band{padding:32px 24px;border-radius:20px;}
  .cta-copy h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{min-height:44px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px;}
  .hero-eyebrow{font-size:12px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}