/* roulang page: index */
:root{
  --brand-900:#0B3F3B;
  --brand-700:#0E5C57;
  --brand-500:#1A8F84;
  --brand-300:#7FD1C6;
  --accent-500:#FF6A3D;
  --accent-300:#FFB199;
  --gold-400:#FFC94B;
  --ink-900:#16211F;
  --ink-700:#33443F;
  --ink-500:#5D7069;
  --line:#E3DDD2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFF6F4;
  --danger:#D64545;
  --grad-main:linear-gradient(135deg,#0B3F3B,#1A8F84 55%,#3FB9A6);
  --grad-accent:linear-gradient(120deg,#FF6A3D,#FFC94B);
  --s1:0 2px 8px rgba(11,63,59,.06);
  --s2:0 12px 32px -8px rgba(11,63,59,.16);
  --s3:0 28px 60px -20px rgba(11,63,59,.28);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.88;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);text-decoration:underline;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:16px;font-size:clamp(26px,3vw,38px);font-weight:700;line-height:1.25;}
.section-title::before{content:"";position:absolute;left:0;top:.28em;width:3px;height:18px;border-radius:2px;background:var(--grad-main);}
.section-desc{margin:10px 0 0;color:var(--ink-500);font-size:15px;max-width:620px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);}
.text-link i{transition:transform .2s ease;}
.text-link:hover i{transform:translateX(4px);}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  text-decoration:none!important;
}
.btn-primary{background:var(--grad-main);background-size:160% 160%;color:#fff;box-shadow:var(--s2);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--s3);}
.btn-ghost{background:transparent;border-color:var(--brand-300);color:var(--brand-700);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:rgba(127,209,198,.16);transform:translateY(-2px);}
.btn-accent{background:var(--grad-accent);color:#4A1B08;box-shadow:var(--s2);}
.btn-accent:hover{color:#4A1B08;transform:translateY(-2px);box-shadow:var(--s3);}
.btn-sm{padding:9px 18px;font-size:13.5px;}
.btn:active{transform:translateY(0);}

/* 徽章与标签 */
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--surface-2);color:var(--brand-700);font-size:13px;font-weight:600;}
.pill-accent{background:rgba(255,106,61,.12);color:#B33F17;}
.badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-sm);font-size:12.5px;font-weight:600;letter-spacing:.02em;}

/* 头部导航 */
.site-header{background:var(--surface);border-bottom:1px solid var(--line);}
.topbar{padding:14px 0 12px;}
.topbar-inner{display:flex;align-items:center;gap:22px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);text-decoration:none!important;}
.logo:hover{color:var(--brand-700);}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--grad-main);display:grid;place-items:center;color:#fff;font-size:15px;font-weight:800;box-shadow:var(--s1);flex:0 0 auto;}
.search-form{flex:1 1 auto;max-width:430px;position:relative;}
.search-form input{
  width:100%;height:44px;border-radius:999px;border:1px solid transparent;background:var(--surface-2);
  padding:0 46px 0 20px;font-size:14.5px;color:var(--ink-900);transition:background .2s,border-color .2s,box-shadow .2s;
}
.search-form input::placeholder{color:var(--ink-500);}
.search-form input:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12);outline:none;}
.search-form button{position:absolute;right:6px;top:6px;width:32px;height:32px;border-radius:50%;border:0;background:transparent;color:var(--brand-700);cursor:pointer;transition:background .2s;}
.search-form button:hover{background:rgba(26,143,132,.12);}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.topbar-actions .text-link{font-size:14px;}
.channel-bar{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);box-shadow:0 1px 0 rgba(11,63,59,.05);}
.channel-wrap{position:relative;padding:9px 0;}
.channel-wrap::after{content:"";position:absolute;right:0;top:0;bottom:0;width:56px;background:linear-gradient(90deg,rgba(247,244,239,0),rgba(247,244,239,.96));pointer-events:none;}
.channel-list{display:flex;align-items:center;gap:9px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  background:var(--surface-2);color:var(--ink-700);font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .2s,color .2s,box-shadow .2s;text-decoration:none!important;
}
.channel-list a:hover{background:#E2F0ED;color:var(--brand-700);}
.channel-list a.active{background:var(--grad-main);color:#fff;box-shadow:var(--s1);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:64px 0 76px;background:
  radial-gradient(1100px 420px at 88% -12%,rgba(127,209,198,.32),rgba(127,209,198,0) 62%),
  linear-gradient(180deg,#FFFFFF 0%,#F7F4EF 100%);}
.hero::before{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(26,143,132,.14),rgba(26,143,132,0) 68%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);color:var(--brand-700);font-size:13px;font-weight:600;box-shadow:var(--s1);}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--accent-500);}
.hero h1{margin:22px 0 18px;font-size:clamp(32px,4.6vw,56px);font-weight:800;line-height:1.15;letter-spacing:-.5px;}
.hero h1 em{font-style:normal;background:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:20px;line-height:1.6;color:var(--ink-700);max-width:540px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;}
.stat-chip{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--s1);min-width:132px;}
.stat-chip b{display:block;font-size:24px;font-weight:800;line-height:1.2;color:var(--brand-700);font-variant-numeric:tabular-nums;}
.stat-chip span{font-size:13px;color:var(--ink-500);}
.hero-visual{position:relative;}
.hero-visual img{width:100%;border-radius:var(--r-xl);box-shadow:var(--s3);object-fit:cover;aspect-ratio:4/3;}
.float-card{
  position:absolute;left:-18px;bottom:26px;background:#fff;border-radius:var(--r-md);padding:14px 18px;
  box-shadow:var(--s3);display:flex;align-items:center;gap:14px;max-width:290px;
}
.float-card .fc-icon{width:42px;height:42px;border-radius:12px;background:var(--surface-2);color:var(--brand-700);display:grid;place-items:center;font-size:17px;flex:0 0 auto;}
.float-card b{display:block;font-size:15px;color:var(--ink-900);}
.float-card span{font-size:12.5px;color:var(--ink-500);}

/* 痛点卡 */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.pain-card{background:transparent;border:1px solid var(--line);border-left:4px solid var(--accent-500);border-radius:var(--r-md);padding:22px 22px 24px;}
.pain-card h3{font-size:17px;font-weight:700;margin-bottom:8px;line-height:1.5;}
.pain-card p{margin:0;font-size:14.5px;color:var(--ink-500);line-height:1.75;}

/* 方案区 */
.solution-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(0,auto);gap:24px;}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--s1);overflow:hidden;transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column;}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.sol-wide{grid-column:span 2;}
.sol-wide figure{margin:0;}
.sol-wide img{width:100%;height:236px;object-fit:cover;}
.sol-body{padding:24px 26px 26px;}
.sol-body h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.sol-body p{font-size:15px;color:var(--ink-700);line-height:1.8;}
.sol-narrow .sol-body{padding:22px 22px 24px;}
.sol-narrow h3{font-size:18px;}
.sol-icon{width:46px;height:46px;border-radius:14px;border:1.75px solid var(--brand-500);color:var(--brand-700);display:grid;place-items:center;font-size:18px;margin-bottom:16px;}
.sol-strip{grid-column:span 4;display:flex;align-items:center;gap:24px;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 26px;transition:box-shadow .25s,transform .25s;}
.sol-strip:hover{box-shadow:var(--s2);transform:translateY(-3px);}
.sol-strip .sol-icon{margin:0;}
.sol-strip .strip-text{flex:1 1 auto;}
.sol-strip h3{font-size:18px;margin-bottom:4px;}
.sol-strip p{margin:0;font-size:14.5px;color:var(--ink-500);}

/* 数据区 */
.data-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden;}
.data-band::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(26,143,132,.55),rgba(11,63,59,0) 62%);}
.data-band::after{content:"";position:absolute;left:-80px;top:-90px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(127,209,198,.28),rgba(127,209,198,0) 70%);}
.data-band .container{position:relative;z-index:1;}
.data-band .section-title{color:#fff;}
.data-band .section-title::before{background:var(--grad-accent);}
.data-band .section-desc{color:rgba(255,255,255,.74);}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.data-item{border-left:1px solid rgba(255,255,255,.22);padding-left:22px;}
.data-item b{display:block;font-size:clamp(34px,4vw,52px);font-weight:800;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:-1px;}
.data-item span{display:inline-flex;margin-top:10px;padding:4px 10px;border-radius:var(--r-sm);background:rgba(255,255,255,.14);color:var(--brand-300);font-size:13px;font-weight:600;}
.data-item p{margin:12px 0 0;font-size:14px;color:rgba(255,255,255,.72);line-height:1.75;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--s1);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--s2);}
.post-cover{position:relative;display:block;}
.post-cover img{width:100%;height:190px;object-fit:cover;}
.post-cat{position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.92);color:var(--brand-700);font-size:12.5px;font-weight:600;backdrop-filter:blur(4px);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:18px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a{color:var(--ink-900);text-decoration:none;}
.post-body h3 a:hover{color:var(--brand-700);}
.post-body .excerpt{font-size:14.5px;color:var(--ink-500);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-500);border-top:1px solid var(--line);padding-top:14px;}
.post-meta .meta-left{display:inline-flex;align-items:center;gap:10px;}
.empty-state{grid-column:1/-1;border:1.5px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;color:var(--ink-500);background:rgba(255,255,255,.6);}
.empty-state i{font-size:26px;color:var(--brand-300);display:block;margin-bottom:12px;}

/* FAQ */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--s1);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item[open]{box-shadow:var(--s2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 24px;font-size:17px;font-weight:600;color:var(--ink-900);
  display:flex;align-items:center;justify-content:space-between;gap:18px;transition:color .2s ease,box-shadow .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand-500);transition:transform .2s ease;flex:0 0 auto;}
.faq-item[open] summary{color:var(--brand-700);box-shadow:inset 3px 0 0 var(--brand-500);}
.faq-item[open] summary::after{content:"\f068";}
.faq-body{padding:0 24px 22px;font-size:15.5px;color:var(--ink-700);line-height:1.85;}

/* CTA */
.cta-section{background:linear-gradient(180deg,#F7F4EF 0%,#EFF6F4 100%);}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{display:flex;gap:12px;font-size:15.5px;color:var(--ink-700);line-height:1.7;}
.cta-points i{color:var(--brand-500);margin-top:6px;font-size:14px;}
.cta-card{position:relative;background:#fff;border-radius:var(--r-lg);box-shadow:var(--s3);padding:34px 32px 30px;overflow:hidden;}
.cta-card::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-accent);}
.cta-card h3{font-size:22px;margin-bottom:6px;}
.cta-card .form-hint{font-size:14px;color:var(--ink-500);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-700);margin-bottom:7px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);background:#FBFAF7;border-radius:12px;
  padding:12px 15px;font-size:15px;transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field textarea:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12);outline:none;}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);border-left:3px solid var(--danger);background:rgba(214,69,69,.04);}
.field .err-msg{display:none;font-size:12.5px;color:var(--danger);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;gap:10px;align-items:flex-start;margin:18px 0 14px;}
.check-row input{width:17px;height:17px;margin-top:5px;accent-color:var(--brand-500);flex:0 0 auto;}
.check-row label{font-size:13.5px;color:var(--ink-500);line-height:1.7;margin:0;}
.privacy-note{font-size:12.5px;color:var(--ink-500);line-height:1.7;margin-top:14px;}
.privacy-note a{color:var(--brand-700);}

/* 页脚 */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.74);font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:0;}
.footer-col{padding:56px 30px 46px;border-right:1px solid rgba(255,255,255,.12);}
.footer-col:first-child{padding-left:0;}
.footer-col:last-child{border-right:0;padding-right:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.5px;color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);}
.footer-links{display:grid;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;text-decoration:none;}
.footer-links a:hover{color:var(--brand-300);text-decoration:none;}
.footer-contact{display:grid;gap:11px;font-size:13.5px;color:rgba(255,255,255,.7);}
.footer-contact i{color:var(--brand-300);width:16px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.56);}
.footer-bottom a{color:rgba(255,255,255,.7);}

/* 响应式 */
@media (max-width:1024px){
  :root{--sec:64px;}
  .container{padding:0 24px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{aspect-ratio:16/10;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .solution-grid{grid-template-columns:repeat(2,1fr);}
  .sol-wide{grid-column:span 2;}
  .sol-strip{grid-column:span 2;}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px 22px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-top{grid-template-columns:1fr 1fr;}
  .footer-col{padding:40px 24px;border-right:0;border-bottom:1px solid rgba(255,255,255,.12);}
  .footer-col:first-child{padding-left:24px;}
  .footer-col:last-child{padding-right:24px;border-bottom:0;}
  .search-form{max-width:280px;}
}
@media (max-width:768px){
  .topbar-actions .text-link{display:none;}
  .search-form{display:none;}
  .hero{padding:44px 0 56px;}
  .hero-sub{font-size:17.5px;}
  .float-card{position:static;margin-top:16px;max-width:none;left:0;}
}
@media (max-width:640px){
  :root{--sec:48px;}
  .container{padding:0 20px;}
  body{font-size:16px;line-height:1.85;}
  .pain-grid,.solution-grid,.news-grid,.data-grid,.footer-top{grid-template-columns:1fr;}
  .sol-wide,.sol-strip{grid-column:span 1;}
  .sol-strip{flex-direction:column;align-items:flex-start;gap:14px;}
  .hero-stats{gap:10px;}
  .stat-chip{flex:1 1 130px;padding:10px 14px;}
  .stat-chip b{font-size:20px;}
  .data-item{border-left:0;border-top:1px solid rgba(255,255,255,.22);padding:18px 0 0;}
  .cta-card{padding:26px 20px 24px;}
  .footer-bottom{flex-direction:column;}
  .section-head{margin-bottom:26px;}
  .btn{width:auto;}
}

/* roulang page: article */
:root{
  --brand-900:#0B3F3B;
  --brand-700:#0E5C57;
  --brand-500:#1A8F84;
  --brand-300:#7FD1C6;
  --accent-500:#FF6A3D;
  --accent-300:#FFB199;
  --gold-400:#FFC94B;
  --ink-900:#16211F;
  --ink-700:#33443F;
  --ink-500:#5D7069;
  --line:#E3DDD2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFF6F4;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --pill:999px;
  --s1:0 2px 8px rgba(11,63,59,.06);
  --s2:0 12px 32px -8px rgba(11,63,59,.16);
  --s3:0 28px 60px -20px rgba(11,63,59,.28);
  --grad-main:linear-gradient(135deg,#0B3F3B,#1A8F84 55%,#3FB9A6);
  --grad-accent:linear-gradient(120deg,#FF6A3D,#FFC94B);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-700);text-decoration:underline}
button,input,textarea,select{font-family:inherit;font-size:inherit}
figure{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.show-for-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}

/* ---------- 导航 ---------- */
.site-header{position:relative;z-index:60;background:var(--surface)}
.topbar{border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:24px;min-height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);white-space:nowrap}
.logo:hover{color:var(--brand-700);text-decoration:none}
.logo-mark{width:36px;height:36px;border-radius:11px;background-image:var(--grad-main);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:0;flex:0 0 auto}
.search-form{position:relative;flex:1;max-width:420px;display:flex;align-items:center}
.search-form input{width:100%;height:44px;border-radius:var(--pill);border:1px solid transparent;background:#F1EEE8;padding:0 46px 0 18px;font-size:14px;color:var(--ink-900);outline:none;transition:background .2s,border-color .2s,box-shadow .2s}
.search-form input::placeholder{color:#9AA6A1}
.search-form input:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12)}
.search-form button{position:absolute;right:6px;width:34px;height:34px;border:0;border-radius:50%;background:transparent;color:var(--ink-500);cursor:pointer;transition:background .2s,color .2s}
.search-form button:hover{background:var(--surface-2);color:var(--brand-700)}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.text-link{font-size:14px;font-weight:600;color:var(--ink-700);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .2s ease}
.text-link:hover{color:var(--brand-700);text-decoration:none}
.text-link:hover i{transform:translateX(4px)}

.channel-bar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(11,63,59,.04)}
.channel-wrap{position:relative;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-wrap::-webkit-scrollbar{display:none}
.channel-list{display:flex;align-items:center;gap:10px;height:58px;white-space:nowrap;margin:0}
.channel-list a{display:inline-flex;align-items:center;height:36px;padding:0 17px;border-radius:var(--pill);background:var(--surface-2);color:var(--ink-700);font-size:14px;font-weight:600;transition:background .2s,color .2s,transform .2s}
.channel-list a:hover{background:#E2EFEC;color:var(--brand-700);text-decoration:none;transform:translateY(-1px)}
.channel-list a.active{background-image:var(--grad-main);color:#fff;box-shadow:var(--s1)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--pill);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;text-decoration:none;transition:transform .2s ease,box-shadow .25s ease,background-position .35s ease,background-color .2s ease}
.btn-primary{background-image:var(--grad-main);background-size:180% 100%;background-position:0 0;color:#fff;box-shadow:var(--s2)}
.btn-primary:hover{color:#fff;text-decoration:none;transform:translateY(-2px);background-position:100% 0;box-shadow:var(--s3)}
.btn-ghost{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:hover{background:var(--surface-2);color:var(--brand-700);text-decoration:none;transform:translateY(-2px)}
.btn-accent{background-image:var(--grad-accent);color:#4A1D08;box-shadow:var(--s2)}
.btn-accent:hover{color:#4A1D08;text-decoration:none;transform:translateY(-2px);box-shadow:var(--s3)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff}
.article-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.24}
.article-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,63,59,.95),rgba(26,143,132,.7))}
.article-hero .container{position:relative;z-index:2;padding-top:30px;padding-bottom:54px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:rgba(255,255,255,.68);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-cat{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--radius-sm);background:rgba(127,209,198,.2);border:1px solid rgba(127,209,198,.45);color:#CFF3EE;font-size:13px;font-weight:700;margin-bottom:18px}
.article-hero h1{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.22;letter-spacing:-.5px;color:#fff;margin:0 0 22px;max-width:920px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:rgba(255,255,255,.78);font-variant-numeric:tabular-nums}
.meta-row i{color:var(--brand-300);margin-right:5px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.45);display:inline-block}

/* ---------- 阅读区布局 ---------- */
.section{padding:64px 0}
.article-layout{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:40px;align-items:start}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:40px 46px;box-shadow:var(--s1);font-size:16.5px;line-height:1.9;color:var(--ink-700);max-width:820px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--ink-900);margin:1.9em 0 .75em;padding-left:17px;letter-spacing:-.2px}
.article-body h2::before{content:"";position:absolute;left:0;top:.36em;width:4px;height:21px;border-radius:4px;background-image:var(--grad-main)}
.article-body h3{font-size:22px;font-weight:600;color:var(--ink-900);margin:1.6em 0 .6em}
.article-body h4{font-size:18px;font-weight:700;color:var(--ink-900);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;list-style:revert}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--brand-500)}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;background:var(--surface-2);border-left:4px solid var(--brand-500);border-radius:0 12px 12px 0;color:var(--ink-700)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:1.6em auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px}
.article-body a{color:var(--brand-500);text-decoration:underline}
.article-body a:hover{color:var(--brand-700)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--surface-2);color:var(--ink-900);font-weight:700}
.article-body code{background:var(--surface-2);border-radius:8px;padding:2px 7px;font-size:14px;color:var(--brand-700)}
.article-body pre{background:#0B3F3B;color:#DFF3EF;padding:20px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- 标签与翻页 ---------- */
.tag-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:30px;padding-top:24px;border-top:1px dashed var(--line)}
.tag-list .tag-label{font-size:13px;color:var(--ink-500);font-weight:600;margin-right:2px}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:var(--pill);background:var(--surface-2);color:var(--brand-700);font-size:13px;font-weight:600;transition:background .2s,color .2s,transform .2s}
.tag:hover{background:var(--brand-300);color:var(--brand-900);text-decoration:none;transform:translateY(-1px)}

.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:26px}
.post-nav-card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--s1);transition:transform .2s,box-shadow .25s,border-color .2s}
.post-nav-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:var(--brand-300);text-decoration:none}
.post-nav-card .pn-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent-500);letter-spacing:.5px;margin-bottom:10px}
.post-nav-card strong{display:block;font-size:16px;line-height:1.6;color:var(--ink-900);font-weight:700;margin-bottom:8px}
.post-nav-card:hover strong{color:var(--brand-700)}
.post-nav-card .pn-meta{font-size:13px;color:var(--ink-500)}
.back-row{margin-top:26px;display:flex;justify-content:center}

/* ---------- 侧栏 ---------- */
.aside-sticky{position:sticky;top:82px}
.aside-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:24px;box-shadow:var(--s1);margin-bottom:20px}
.aside-card h3{font-size:17px;font-weight:700;color:var(--ink-900);margin:0 0 16px;padding-left:12px;position:relative}
.aside-card h3::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:16px;border-radius:3px;background-image:var(--grad-main)}
.aside-card p{font-size:14px;color:var(--ink-500);line-height:1.8;margin:0 0 16px}
.aside-nav{display:flex;flex-direction:column;gap:6px}
.aside-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 14px;border-radius:12px;background:var(--surface-2);color:var(--ink-700);font-size:14px;font-weight:600;transition:background .2s,color .2s}
.aside-nav a:hover{background:#E2EFEC;color:var(--brand-700);text-decoration:none}
.aside-nav a i{transition:transform .2s;color:var(--brand-500)}
.aside-nav a:hover i{transform:translateX(4px)}
.aside-meta{display:flex;flex-direction:column;gap:12px;font-size:14px}
.aside-meta span{display:flex;align-items:center;gap:10px;color:var(--ink-700)}
.aside-meta i{color:var(--brand-500);width:18px;text-align:center}
.aside-note{font-size:13px;color:var(--ink-500);line-height:1.75}

/* ---------- 空态 ---------- */
.empty-state{background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-lg);padding:64px 32px;text-align:center;box-shadow:var(--s1)}
.empty-state i{font-size:38px;color:var(--brand-300);margin-bottom:16px;display:block}
.empty-state h2{font-size:24px;font-weight:700;color:var(--ink-900);margin:0 0 12px}
.empty-state p{font-size:15px;color:var(--ink-500);margin:0 0 24px}

/* ---------- 相关推荐 ---------- */
.related-section{padding:8px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;color:var(--ink-900);margin:0;position:relative;padding-left:16px;letter-spacing:-.3px}
.section-head h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:24px;border-radius:4px;background-image:var(--grad-main)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--s1);transition:transform .25s,box-shadow .25s,border-color .2s}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:var(--brand-300);text-decoration:none}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.05)}
.rel-body{padding:20px 22px 24px}
.rel-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--radius-sm);background:var(--surface-2);color:var(--brand-700);font-size:12px;font-weight:700;margin-bottom:12px}
.rel-body h3{font-size:17px;line-height:1.6;font-weight:700;color:var(--ink-900);margin:0 0 10px}
.rel-card:hover h3{color:var(--brand-700)}
.rel-body p{font-size:14px;line-height:1.8;color:var(--ink-500);margin:0}

/* ---------- CTA ---------- */
.cta-section{background:var(--brand-900);position:relative;overflow:hidden;padding:76px 0}
.cta-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.14}
.cta-section::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,63,59,.96),rgba(26,143,132,.78))}
.cta-section .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.cta-copy h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:#fff;line-height:1.28;margin:0 0 16px;letter-spacing:-.4px}
.cta-copy p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.85;margin:0 0 24px;max-width:520px}
.cta-points{display:flex;flex-direction:column;gap:12px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.86);font-size:15px}
.cta-points i{color:var(--brand-300);margin-top:6px}
.form-card{position:relative;background:var(--surface);border-radius:var(--radius-lg);padding:34px 34px 30px;box-shadow:var(--s3)}
.form-card::before{content:"";position:absolute;left:34px;right:34px;top:0;height:4px;border-radius:0 0 4px 4px;background-image:var(--grad-accent)}
.form-card h3{font-size:20px;font-weight:800;color:var(--ink-900);margin:6px 0 6px}
.form-card .form-sub{font-size:13.5px;color:var(--ink-500);margin:0 0 22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--ink-700);margin-bottom:7px}
.field input[type="text"],.field input[type="tel"],.field textarea{width:100%;border:1px solid var(--line);background:#FBFAF7;border-radius:12px;padding:12px 14px;font-size:14.5px;color:var(--ink-900);outline:none;transition:border-color .2s,background .2s,box-shadow .2s}
.field input:focus,.field textarea:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12)}
.field textarea{min-height:104px;resize:vertical;line-height:1.7}
.field.error input,.field.error textarea{border-color:#D64545;border-left:3px solid #D64545}
.field .err-msg{display:none;font-size:12.5px;color:#D64545;margin-top:6px}
.field.error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px}
.check-row input{margin-top:5px;width:16px;height:16px;accent-color:var(--brand-500)}
.check-row label{font-size:13px;color:var(--ink-500);line-height:1.7;margin:0}
.privacy-note{font-size:12.5px;color:var(--ink-500);margin:14px 0 0;line-height:1.7}
.privacy-note a{color:var(--brand-700);text-decoration:underline}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.76);padding:68px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:38px}
.footer-col:not(:first-child){border-left:1px solid rgba(255,255,255,.12);padding-left:32px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.5px;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin:0;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--brand-300);text-decoration:none}
.footer-contact{display:flex;flex-direction:column;gap:13px;font-size:13.5px}
.footer-contact span{display:flex;align-items:flex-start;gap:10px;line-height:1.7}
.footer-contact i{color:var(--brand-300);width:16px;margin-top:5px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid rgba(255,255,255,.12);padding-top:22px;font-size:13px;color:rgba(255,255,255,.58)}

@media (max-width:1024px){
  .container{padding:0 24px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .aside-sticky{position:static}
  .article-body{padding:34px 32px;max-width:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-col:not(:first-child){border-left:0;padding-left:0}
  .topbar-inner{flex-wrap:wrap;padding:14px 0;gap:14px}
  .search-form{order:3;max-width:none;width:100%}
  .topbar-actions{margin-left:0}
}
@media (max-width:768px){
  body{font-size:16px}
  .section{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .post-nav{grid-template-columns:minmax(0,1fr)}
  .article-hero .container{padding-top:22px;padding-bottom:40px}
  .article-body{padding:26px 22px;border-radius:var(--radius-md)}
  .form-card{padding:26px 22px}
  .footer-top{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:28px}
  .cta-section{padding:56px 0}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo{font-size:18px}
  .topbar-actions{width:100%;justify-content:space-between}
  .channel-list{height:52px;gap:8px}
  .channel-list a{height:34px;padding:0 14px;font-size:13.5px}
  .article-hero h1{font-size:26px}
  .breadcrumb .current{max-width:160px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:19px}
  .btn{width:100%}
  .tag-list .tag{width:auto}
  .back-row .btn{width:auto}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3F3B;
  --brand-700:#0E5C57;
  --brand-500:#1A8F84;
  --brand-300:#7FD1C6;
  --accent-500:#FF6A3D;
  --accent-300:#FFB199;
  --gold-400:#FFC94B;
  --ink-900:#16211F;
  --ink-700:#33443F;
  --ink-500:#5D7069;
  --line:#E3DDD2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFF6F4;
  --grad-main:linear-gradient(135deg,#0B3F3B,#1A8F84 55%,#3FB9A6);
  --grad-accent:linear-gradient(120deg,#FF6A3D,#FFC94B);
  --s1:0 2px 8px rgba(11,63,59,.06);
  --s2:0 12px 32px -8px rgba(11,63,59,.16);
  --s3:0 28px 60px -20px rgba(11,63,59,.28);
  --radius-lg:24px;
  --radius:16px;
  --radius-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-700);text-decoration:underline}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(26px,3vw,38px);line-height:1.25}
h3{font-size:22px;font-weight:600;letter-spacing:0}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:42px}
.section-head .head-text{max-width:760px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:var(--grad-main)}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:15.5px}
.head-link{font-size:14.5px;font-weight:700;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;color:var(--brand-500)}
.head-link i{transition:transform .22s ease}
.head-link:hover{text-decoration:none;color:var(--brand-700)}
.head-link:hover i{transform:translateX(4px)}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand-500);text-transform:uppercase;margin-bottom:12px}

/* ---------- 顶部导航 ---------- */
.site-header{position:relative;z-index:60}
.topbar{background:var(--surface);border-bottom:1px solid var(--line)}
.topbar-inner{display:flex;align-items:center;gap:24px;min-height:74px;padding:12px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);white-space:nowrap}
.logo:hover{color:var(--brand-700);text-decoration:none}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--grad-main);color:#fff;font-size:13.5px;font-weight:800;letter-spacing:.5px}
.search-form{flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:6px;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:4px 4px 4px 18px;transition:background-color .22s ease,border-color .22s ease,box-shadow .22s ease}
.search-form:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:var(--s1)}
.search-form input[type=search]{flex:1 1 auto;min-width:0;border:0;background:transparent;padding:10px 4px;font-size:15px;color:var(--ink-900);outline:none}
.search-form input[type=search]::placeholder{color:var(--ink-500)}
.search-form button{width:38px;height:38px;flex:0 0 38px;border:0;border-radius:999px;background:var(--grad-main);color:#fff;cursor:pointer;font-size:14px;transition:transform .22s ease,box-shadow .22s ease}
.search-form button:hover{transform:translateY(-1px);box-shadow:var(--s2)}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.text-link{font-size:14.5px;font-weight:600;color:var(--ink-700);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.text-link i{transition:transform .22s ease}
.text-link:hover{color:var(--brand-700);text-decoration:none}
.text-link:hover i{transform:translateX(4px)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:999px;font-size:15px;font-weight:700;line-height:1.2;border:1px solid transparent;cursor:pointer;background-image:none;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease;text-align:center}
.btn-primary{background-image:var(--grad-accent);color:#fff;box-shadow:0 10px 24px -12px rgba(255,106,61,.75)}
.btn-primary:hover{color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:0 16px 34px -14px rgba(255,106,61,.85)}
.btn-ghost{background:transparent;border-color:var(--brand-500);color:var(--brand-700)}
.btn-ghost:hover{background:var(--brand-500);color:#fff;text-decoration:none;transform:translateY(-2px);box-shadow:var(--s2)}
.btn-block{width:100%}
.btn-sm{padding:9px 18px;font-size:14px}

.channel-bar{position:sticky;top:0;z-index:55;background:rgba(247,244,239,.95);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 1px 0 rgba(11,63,59,.05)}
.channel-wrap{position:relative;overflow:hidden}
.channel-wrap::after{content:"";position:absolute;top:0;right:0;bottom:0;width:46px;background:linear-gradient(90deg,rgba(247,244,239,0),rgba(247,244,239,.96));pointer-events:none}
.channel-list{display:flex;gap:10px;overflow-x:auto;padding:11px 0;scrollbar-width:none;-ms-overflow-style:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list li{flex:0 0 auto}
.channel-list a{display:inline-block;padding:9px 18px;border-radius:999px;background:var(--surface-2);color:var(--ink-700);font-size:14.5px;font-weight:600;white-space:nowrap;transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease}
.channel-list a:hover{color:var(--brand-700);background:#E2F0ED;text-decoration:none;transform:translateY(-1px)}
.channel-list a.active{background:var(--grad-main);color:#fff;box-shadow:var(--s1)}

/* ---------- 页面主视觉 ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background-color:var(--brand-900);background-image:linear-gradient(90deg,rgba(11,63,59,.96) 0%,rgba(11,63,59,.78) 44%,rgba(11,63,59,.34) 100%),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center right;padding:76px 0 66px}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.14)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.88)}
.breadcrumb a:hover{color:#fff;text-decoration:none}
.breadcrumb span{color:rgba(255,255,255,.5)}
.page-hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.2;color:#fff;font-weight:800;max-width:860px}
.hero-sub{margin-top:20px;max-width:740px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.84)}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-badge{min-width:142px;padding:13px 20px;border-radius:14px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22)}
.hero-badge b{display:block;font-size:25px;font-weight:800;letter-spacing:-.5px;font-variant-numeric:tabular-nums;color:#fff}
.hero-badge span{display:block;margin-top:2px;font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- 锚点行 ---------- */
.anchor-nav{padding:22px 0;background:var(--bg);border-bottom:1px solid var(--line)}
.anchor-wrap{overflow-x:auto;scrollbar-width:none}
.anchor-wrap::-webkit-scrollbar{display:none}
.anchor-list{display:flex;gap:10px;white-space:nowrap}
.anchor-list a{display:inline-block;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-700);font-size:14px;font-weight:600;transition:border-color .22s ease,color .22s ease,background-color .22s ease}
.anchor-list a:hover{border-color:var(--brand-500);background:var(--surface-2);color:var(--brand-700);text-decoration:none}

/* ---------- 要点卡 ---------- */
.point-grid{margin-top:-6px}
.point-card{position:relative;height:100%;padding:28px 24px 26px 26px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--accent-500);border-radius:var(--radius-sm);transition:transform .25s ease,box-shadow .25s ease}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--s2)}
.point-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--surface-2);color:var(--brand-700);font-size:14px;font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px}
.point-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.point-card p{color:var(--ink-500);font-size:15px;line-height:1.8}
.point-card .meta-line{display:block;margin-top:16px;font-size:13px;color:var(--brand-500);font-weight:600}

/* ---------- 图文交替 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.alt-row + .alt-row{margin-top:76px}
.alt-media{position:relative}
.alt-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-lg);box-shadow:var(--s2)}
.alt-media .float-tag{position:absolute;left:20px;bottom:20px;padding:8px 16px;border-radius:999px;background:rgba(11,63,59,.86);color:#fff;font-size:13px;font-weight:600;letter-spacing:.2px}
.alt-text h3{font-size:clamp(22px,2.3vw,28px);font-weight:800;line-height:1.35;margin-bottom:16px;letter-spacing:-.4px}
.alt-text p{color:var(--ink-700);font-size:16px;line-height:1.9;margin-bottom:14px}
.alt-list{margin-top:18px;display:grid;gap:10px}
.alt-list li{position:relative;padding-left:22px;color:var(--ink-700);font-size:15.5px}
.alt-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--brand-500)}
.alt-row.reverse .alt-media{order:2}
.alt-row.reverse .alt-text{order:1}

/* ---------- 横向列表卡 ---------- */
.list-stack{display:grid;gap:24px}
.list-card{display:grid;grid-template-columns:300px 1fr;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;transition:transform .28s ease,box-shadow .28s ease}
.list-card:hover{transform:translateY(-4px);box-shadow:var(--s2)}
.list-card .thumb{position:relative;overflow:hidden;background:var(--surface-2);min-height:200px}
.list-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.list-card:hover .thumb img{transform:scale(1.05)}
.list-card .tag{position:absolute;top:14px;left:14px;padding:5px 13px;border-radius:10px;background:rgba(11,63,59,.88);color:#fff;font-size:12px;font-weight:600;letter-spacing:.2px}
.list-card .body{display:flex;flex-direction:column;gap:10px;padding:26px 30px}
.list-card h3{font-size:20px;font-weight:700;line-height:1.45}
.list-card h3 a{color:var(--ink-900)}
.list-card h3 a:hover{color:var(--brand-700);text-decoration:none}
.list-card p{color:var(--ink-500);font-size:15px;line-height:1.82}
.list-card .meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:13px;color:var(--ink-500);font-variant-numeric:tabular-nums}
.list-card .meta span{position:relative}
.list-card .meta span + span::before{content:"";position:absolute;left:-8px;top:50%;width:3px;height:3px;border-radius:50%;background:var(--line)}
.list-card .more{margin-top:auto;font-size:14.5px;font-weight:700;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px}
.list-card .more i{transition:transform .22s ease}
.list-card .more:hover{text-decoration:none;color:var(--brand-700)}
.list-card .more:hover i{transform:translateX(4px)}

/* ---------- 数据徽章条 ---------- */
.metric-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{padding:24px 24px 22px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface-2);transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease}
.metric:hover{transform:translateY(-4px);background:#fff;box-shadow:var(--s2)}
.metric b{display:block;font-size:30px;font-weight:800;letter-spacing:-.6px;color:var(--brand-700);font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:6px;font-size:14px;color:var(--ink-500)}
.metric em{display:inline-block;margin-top:14px;padding:3px 10px;border-radius:10px;background:rgba(255,201,75,.28);color:#7A5A00;font-size:12px;font-style:normal;font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease}
.faq-item:hover{box-shadow:var(--s1)}
.faq-item.open{box-shadow:var(--s2)}
.faq-q{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--ink-900);cursor:pointer;transition:color .2s ease}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad-main);opacity:0;transition:opacity .22s ease}
.faq-item.open .faq-q{color:var(--brand-700)}
.faq-item.open .faq-q::before{opacity:1}
.faq-icon{flex:0 0 auto;color:var(--brand-500);font-size:15px;transition:transform .25s ease}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{padding:0 24px 22px;color:var(--ink-700);font-size:15.5px;line-height:1.85}

/* ---------- CTA ---------- */
.cta-section{position:relative;color:#fff;background-color:var(--brand-900);background-image:linear-gradient(120deg,rgba(11,63,59,.96),rgba(14,92,87,.92)),url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.82);font-size:16px;line-height:1.9}
.cta-copy .eyebrow{color:var(--brand-300)}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.86)}
.cta-points i{color:var(--brand-300);margin-top:6px;font-size:14px}
.form-card{position:relative;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--s3);padding:36px 34px 30px;overflow:hidden}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-accent)}
.form-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--ink-500);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-700);margin-bottom:8px}
.field input[type=text],.field input[type=tel],.field textarea{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--bg);font-size:15px;font-family:inherit;color:var(--ink-900);outline:none;transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:98px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(26,143,132,.14)}
.field.error input,.field.error textarea{border-color:#D64545;border-left-width:3px}
.field .err-msg{display:none;margin-top:6px;font-size:13px;color:#D64545}
.field.error .err-msg{display:block}
.check-row{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--ink-700);line-height:1.7;margin:6px 0 18px}
.check-row input{margin-top:5px;flex:0 0 auto;width:16px;height:16px;accent-color:var(--brand-500)}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.75;color:var(--ink-500)}
.form-note a{color:var(--brand-500);text-decoration:underline}
.form-status{display:none;margin-top:14px;padding:11px 14px;border-radius:var(--radius-sm);background:var(--surface-2);color:var(--brand-700);font-size:14px;font-weight:600}
.form-status.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:66px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;padding-bottom:46px}
.footer-col:not(:first-child){border-left:1px solid rgba(255,255,255,.12);padding-left:34px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.5px;color:#fff;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:var(--brand-300);text-decoration:none}
.footer-contact{display:grid;gap:11px}
.footer-contact span{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.74)}
.footer-contact i{margin-top:5px;color:var(--brand-300);font-size:13px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px 24px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .topbar-inner{flex-wrap:wrap;gap:16px}
  .search-form{max-width:none;order:3;flex:1 1 100%}
  .topbar-actions{margin-left:auto}
  .alt-row{gap:36px}
  .metric-bar{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:not(:first-child){border-left:0;padding-left:0}
  .cta-grid{gap:40px}
}
@media screen and (max-width:768px){
  body{font-size:16px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .page-hero{padding:52px 0 48px}
  .hero-sub{font-size:15.5px}
  .hero-badge{min-width:128px;padding:11px 16px}
  .hero-badge b{font-size:21px}
  .alt-row{grid-template-columns:1fr;gap:26px}
  .alt-row.reverse .alt-media,.alt-row.reverse .alt-text{order:0}
  .alt-row + .alt-row{margin-top:52px}
  .list-card{grid-template-columns:1fr}
  .list-card .thumb{min-height:0;aspect-ratio:16/9}
  .list-card .body{padding:22px 20px}
  .cta-grid{grid-template-columns:1fr}
  .form-card{padding:28px 22px 24px}
}
@media screen and (max-width:520px){
  .container{padding:0 18px}
  .logo{font-size:18px}
  .logo-mark{width:30px;height:30px;font-size:12px}
  .topbar-actions .text-link{display:none}
  .metric-bar{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-badges{gap:10px}
  .hero-badge{flex:1 1 calc(50% - 10px);min-width:0}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3F3B;
  --brand-700:#0E5C57;
  --brand-500:#1A8F84;
  --brand-300:#7FD1C6;
  --accent-500:#FF6A3D;
  --accent-300:#FFB199;
  --gold-400:#FFC94B;
  --ink-900:#16211F;
  --ink-700:#33443F;
  --ink-500:#5D7069;
  --line:#E3DDD2;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFF6F4;
  --grad-main:linear-gradient(135deg,#0B3F3B,#1A8F84 55%,#3FB9A6);
  --grad-accent:linear-gradient(120deg,#FF6A3D,#FFC94B);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --s1:0 2px 8px rgba(11,63,59,.06);
  --s2:0 12px 32px -8px rgba(11,63,59,.16);
  --s3:0 28px 60px -20px rgba(11,63,59,.28);
  --pad-x:32px;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.88;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink-900);font-weight:700;line-height:1.25;letter-spacing:-.2px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--pad-x);}
.section{padding:var(--sec-y) 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(26px,3vw,38px);position:relative;padding-left:18px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;width:3px;height:18px;border-radius:3px;background:var(--grad-main);
}
.sec-head .sec-desc{max-width:560px;font-size:15px;color:var(--ink-500);line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:1.2px;color:var(--brand-700);
  text-transform:uppercase;font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-accent);}

/* ============ 双层导航 ============ */
.site-header{position:relative;z-index:60;background:var(--surface);}
.topbar{border-bottom:1px solid var(--line);background:var(--surface);}
.topbar-inner{display:flex;align-items:center;gap:28px;padding:16px 0;}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--ink-900);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-700);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:11px;
  background-image:var(--grad-main);color:#fff;
  font-size:14px;font-weight:800;letter-spacing:.5px;
  box-shadow:var(--s1);
}
.search-form{
  flex:1 1 auto;max-width:460px;position:relative;display:flex;align-items:center;
  background:var(--surface-2);border:1px solid transparent;border-radius:999px;
  padding:0 6px 0 18px;transition:background .2s,border-color .2s,box-shadow .2s;
}
.search-form:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12);}
.search-form input{
  flex:1 1 auto;border:0;background:transparent;height:44px;outline:none;
  font-size:14.5px;color:var(--ink-900);
}
.search-form input::placeholder{color:var(--ink-500);}
.search-form button{
  flex:0 0 auto;width:36px;height:36px;border:0;border-radius:50%;
  background-image:var(--grad-main);color:#fff;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  transition:transform .2s,box-shadow .2s;
}
.search-form button:hover{transform:translateY(-1px);box-shadow:var(--s2);}
.topbar-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.text-link{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-size:12px;transition:transform .2s;}
.text-link:hover i{transform:translateX(4px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;border-radius:999px;padding:12px 24px;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease,color .2s ease;
  background:var(--surface-2);color:var(--ink-900);
}
.btn-primary{
  background-image:var(--grad-main);background-size:170% 170%;background-position:0 0;
  color:#fff;box-shadow:var(--s1);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--s2);background-position:100% 100%;}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.55);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;border:1px solid var(--line);color:var(--brand-700);}
.btn-outline:hover{background:var(--surface-2);border-color:var(--brand-300);color:var(--brand-700);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;}

.channel-bar{
  position:sticky;top:0;z-index:55;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s;
}
.channel-bar.is-stuck{box-shadow:0 6px 20px -12px rgba(11,63,59,.35);}
.channel-wrap{position:relative;overflow:hidden;}
.channel-wrap::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:56px;pointer-events:none;
  background:linear-gradient(90deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.95) 100%);
}
.channel-list{
  display:flex;align-items:center;gap:10px;height:52px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:8px 18px;border-radius:999px;font-size:14.5px;font-weight:600;
  background:var(--surface-2);color:var(--ink-700);
  transition:background .22s,color .22s,transform .22s;
}
.channel-list a:hover{color:var(--brand-700);transform:translateY(-1px);}
.channel-list a.active{
  background-image:var(--grad-main);color:#fff;box-shadow:var(--s1);
}

/* ============ Banner ============ */
.cat-banner{
  position:relative;overflow:hidden;color:#fff;
  background-image:
    linear-gradient(112deg,rgba(11,63,59,.94) 0%,rgba(14,92,87,.88) 46%,rgba(26,143,132,.72) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
}
.cat-banner::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(127,209,198,.28) 0%,rgba(127,209,198,0) 68%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:64px 0 58px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.7;}
.banner-grid{display:grid;grid-template-columns:1.55fr .95fr;gap:48px;align-items:end;}
.cat-banner h1{
  font-size:clamp(32px,4.6vw,56px);
  font-weight:800;line-height:1.15;letter-spacing:-.5px;color:#fff;
  margin-bottom:18px;
}
.cat-banner h1 em{font-style:normal;color:var(--brand-300);}
.banner-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;}
.banner-card{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-lg);
  padding:24px 26px;
  backdrop-filter:blur(6px);
}
.banner-card h3{color:#fff;font-size:17px;margin-bottom:14px;}
.banner-card ul li{
  display:flex;align-items:flex-start;gap:10px;font-size:14px;
  color:rgba(255,255,255,.84);padding:7px 0;border-bottom:1px dashed rgba(255,255,255,.18);
}
.banner-card ul li:last-child{border-bottom:0;}
.banner-card ul li i{color:var(--brand-300);margin-top:6px;font-size:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
  transition:background .22s,transform .22s;
}
.tag-pill:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.tag-pill i{font-size:11px;color:var(--brand-300);}

/* ============ 覆盖式卡片网格 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.media-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-lg);background:var(--brand-900);
  aspect-ratio:16/10;box-shadow:var(--s1);
  transition:transform .3s ease,box-shadow .3s ease;
}
.media-card img{width:100%;height:100%;object-fit:cover;transition:transform .7s ease;}
.media-card::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(11,63,59,0) 30%,rgba(11,63,59,.55) 62%,rgba(11,63,59,.9) 100%);
}
.media-card:hover{transform:translateY(-5px);box-shadow:var(--s2);}
.media-card:hover img{transform:scale(1.06);}
.mc-badge{
  position:absolute;top:16px;left:16px;z-index:3;
  padding:5px 12px;border-radius:var(--r-sm);
  font-size:12.5px;font-weight:600;letter-spacing:.3px;
  background:rgba(255,255,255,.9);color:var(--brand-900);
}
.mc-body{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:20px 22px;color:#fff;}
.mc-body h3{color:#fff;font-size:19px;line-height:1.4;margin-bottom:8px;}
.mc-body p{font-size:14px;line-height:1.72;color:rgba(255,255,255,.82);}
.mc-meta{
  display:flex;align-items:center;gap:14px;margin-top:12px;
  font-size:12.5px;color:rgba(255,255,255,.7);
}
.mc-meta span{display:inline-flex;align-items:center;gap:6px;}
.mc-meta i{font-size:11px;color:var(--brand-300);}

/* ============ 长文说明区 ============ */
.longread{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.longread .inner{max-width:780px;margin:0 auto;}
.longread h3{
  font-size:22px;font-weight:600;margin:34px 0 12px;position:relative;padding-left:14px;
}
.longread h3::before{
  content:"";position:absolute;left:0;top:.22em;width:3px;height:16px;border-radius:3px;background:var(--grad-main);
}
.longread p{font-size:16.5px;line-height:1.9;color:var(--ink-700);margin-bottom:14px;}
.check-list{margin:22px 0 8px;display:grid;gap:12px;}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 18px;border-radius:var(--r-md);
  background:var(--surface-2);border:1px solid transparent;
  font-size:15px;line-height:1.78;color:var(--ink-700);
  transition:border-color .22s,transform .22s;
}
.check-list li:hover{border-color:var(--brand-300);transform:translateX(3px);}
.check-list li i{color:var(--brand-500);margin-top:6px;font-size:13px;}
.quote-block{
  margin:30px 0;padding:22px 26px;border-radius:0 var(--r-md) var(--r-md) 0;
  border-left:4px solid var(--brand-500);background:var(--surface-2);
  font-size:16px;line-height:1.88;color:var(--ink-900);
}

/* ============ 数据徽章条 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;transition:transform .25s,box-shadow .25s,border-color .25s;
}
.stat-item:hover{transform:translateY(-4px);box-shadow:var(--s2);border-color:var(--brand-300);}
.stat-item .num{
  font-variant-numeric:tabular-nums;font-size:38px;font-weight:800;
  line-height:1.1;letter-spacing:-1px;
  background-image:var(--grad-main);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item .num small{font-size:16px;font-weight:700;margin-left:2px;}
.stat-item .lbl{display:block;margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.7;}
.stat-item .tag{
  display:inline-block;margin-top:12px;padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;font-weight:600;background:var(--surface-2);color:var(--brand-700);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s;
}
.faq-item.is-open{border-color:var(--brand-300);box-shadow:var(--s1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink-900);
  transition:color .2s;
}
.faq-item.is-open .faq-q{color:var(--brand-700);}
.faq-q::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-main);
  opacity:0;transition:opacity .2s;
}
.faq-item{position:relative;}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q i{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);color:var(--brand-700);font-size:12px;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item.is-open .faq-q i{background-image:var(--grad-main);color:#fff;transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a .faq-a-inner{
  padding:0 24px 22px 24px;font-size:15.5px;line-height:1.88;color:var(--ink-500);
  border-top:1px dashed var(--line);margin-top:2px;padding-top:18px;
}

/* ============ CTA 表单 ============ */
.cta-section{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,#0B3F3B 0%,#0E5C57 58%,#1A8F84 100%);
}
.cta-section::before{
  content:"";position:absolute;left:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,201,75,.16) 0%,rgba(255,201,75,0) 70%);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.cta-copy h2{color:#fff;font-size:clamp(26px,3vw,38px);margin-bottom:16px;}
.cta-copy p{color:rgba(255,255,255,.84);font-size:16px;line-height:1.9;margin-bottom:22px;}
.cta-points{display:grid;gap:12px;}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-points i{color:var(--brand-300);font-size:13px;}
.cta-card{
  position:relative;background:var(--surface);border-radius:var(--r-lg);
  padding:34px 32px 30px;box-shadow:var(--s3);overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background-image:var(--grad-accent);
}
.cta-card h3{font-size:20px;margin-bottom:6px;}
.cta-card .card-sub{font-size:14px;color:var(--ink-500);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;background:var(--surface-2);font-size:14.5px;
  outline:none;transition:border-color .2s,background .2s,box-shadow .2s;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.75;}
.field input:focus,.field textarea:focus{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(26,143,132,.12);}
.field.has-error input,.field.has-error textarea{border-color:#D64545;border-left:3px solid #D64545;background:#FDF6F6;}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--ink-500);line-height:1.7;}
.check-line input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;}
.privacy-note{font-size:12.5px;color:var(--ink-500);line-height:1.7;margin-top:12px;}
.privacy-note a{color:var(--brand-700);text-decoration:underline;}
.form-tip{
  display:none;margin-top:14px;padding:10px 14px;border-radius:12px;
  background:var(--surface-2);border-left:3px solid var(--brand-500);
  font-size:13.5px;color:var(--brand-700);font-weight:600;
}
.form-tip.is-visible{display:block;}
.cta-form .btn-primary{width:100%;margin-top:4px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:66px 0 26px;font-size:14px;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:38px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.3px;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;
  letter-spacing:-.5px;color:#fff;margin-bottom:14px;
}
.footer-brand .logo-mark{width:32px;height:32px;font-size:12.5px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--brand-300);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:rgba(255,255,255,.7);}
.footer-contact span{display:flex;align-items:flex-start;gap:9px;line-height:1.7;}
.footer-contact i{color:var(--brand-300);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--pad-x:24px;--sec-y:64px;}
  .topbar-inner{gap:18px;}
  .search-form{max-width:320px;}
  .banner-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .banner-inner{padding:52px 0 46px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-grid{grid-template-columns:1fr;gap:36px;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  .topbar-actions .text-link{display:none;}
  .grid-2{grid-template-columns:1fr;gap:18px;}
  .grid-3{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .media-card{aspect-ratio:16/11;}
}
@media (max-width:640px){
  :root{--pad-x:20px;--sec-y:48px;}
  body{font-size:16px;line-height:1.85;}
  .topbar-inner{flex-wrap:wrap;gap:14px;padding:14px 0;}
  .search-form{order:3;flex:1 1 100%;max-width:none;}
  .topbar-actions{order:2;margin-left:auto;gap:12px;}
  .logo{font-size:18px;}
  .logo-mark{width:32px;height:32px;font-size:12.5px;border-radius:9px;}
  .channel-list{height:48px;gap:8px;}
  .channel-list a{padding:7px 14px;font-size:13.5px;}
  .banner-inner{padding:42px 0 38px;}
  .cat-banner h1{font-size:clamp(28px,8vw,36px);}
  .banner-sub{font-size:15.5px;}
  .banner-card{padding:20px 20px;}
  .grid-4{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-item .num{font-size:32px;}
  .sec-head{margin-bottom:26px;}
  .longread h3{font-size:19.5px;}
  .cta-card{padding:26px 20px 24px;}
  .faq-q{padding:17px 18px;font-size:15.5px;}
  .faq-a .faq-a-inner{padding:16px 18px 20px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}