/* roulang page: index */
:root{
  --c-ink:#14231F;
  --c-brand:#0E3B33;
  --c-brand-600:#14544A;
  --c-brand-100:#E3EBE7;
  --c-action:#D9481C;
  --c-action-hover:#B93A12;
  --c-accent:#2FD0B4;
  --c-warn:#FFC24B;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1EC;
  --c-line:#DCE3DE;
  --c-text:#1B2A26;
  --c-muted:#5C6B66;
  --c-invert:#F3F6F3;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(20,35,31,.06);
  --sh-2:0 8px 24px rgba(20,35,31,.08);
  --sh-3:0 18px 48px rgba(20,35,31,.12);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-600);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-ink);letter-spacing:.4px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--c-surface);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(24px,2.2vw,30px);line-height:1.35;display:flex;align-items:center;}
.sec-head h2::before{content:"";display:inline-block;width:4px;height:22px;background:var(--c-brand);border-radius:2px;margin-right:12px;flex:0 0 auto;}
.sec-sub{color:var(--c-muted);font-size:15px;max-width:620px;margin-top:10px;}
.sec-more{font-size:14.5px;color:var(--c-brand-600);font-weight:600;white-space:nowrap;}
.sec-more:hover{color:var(--c-action);}

/* 顶部信息条 */
.topbar{height:36px;background:var(--c-ink);color:var(--c-invert);font-size:13px;line-height:36px;}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.tb-status{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 3px rgba(47,208,180,.18);}
.tb-count{color:#C9D6D1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.tb-count b{color:var(--c-warn);font-weight:700;letter-spacing:.5px;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line);transition:box-shadow .25s ease;}
.site-header.scrolled{box-shadow:var(--sh-2);}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s ease;}
.site-header.scrolled .nav-in{height:60px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{width:34px;height:34px;flex:0 0 auto;}
.logo-text{font-size:19px;font-weight:800;color:var(--c-brand);letter-spacing:.6px;white-space:nowrap;}
.logo-text span{color:var(--c-action);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-links a{position:relative;font-size:15px;color:var(--c-text);padding:6px 0;font-weight:500;}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-brand);transition:width .22s ease;}
.nav-links a:hover{color:var(--c-brand);}
.nav-links a:hover::after{width:100%;}
.nav-links a.active{color:var(--c-brand);font-weight:700;}
.nav-links a.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-full);font-size:12.5px;line-height:1;font-weight:600;white-space:nowrap;}
.badge-status{background:rgba(47,208,180,.12);border:1px solid rgba(47,208,180,.5);color:#0C5346;}
.badge-cat{background:var(--c-brand-100);color:var(--c-brand);}
.badge-warn{background:var(--c-warn);color:#4A3200;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;padding:12px 24px;border-radius:10px;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-action-hover);color:#fff;box-shadow:var(--sh-2);}
.btn-outline{border:1.5px solid var(--c-brand);color:var(--c-brand);background:transparent;}
.btn-outline:hover{background:var(--c-brand-100);color:var(--c-brand);}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:rgba(20,35,31,.35);}
.btn-ghost:hover{background:rgba(20,35,31,.6);color:#fff;}
.btn-pill{border-radius:var(--r-full);}
.btn-block{width:100%;}
.btn-sm{padding:9px 18px;font-size:14px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--c-brand-600);}
.link-arrow:hover{color:var(--c-action);}

/* 汉堡与抽屉 */
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--c-line);background:#fff;}
.burger span{display:block;width:20px;height:2px;background:var(--c-ink);position:relative;transition:background .2s ease;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-ink);transition:transform .25s ease,top .25s ease;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
.burger.open span{background:transparent;}
.burger.open span::before{top:0;transform:rotate(45deg);}
.burger.open span::after{top:0;transform:rotate(-45deg);}
.drawer{position:fixed;top:0;right:0;height:100%;width:84%;max-width:360px;background:#fff;z-index:90;transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:var(--sh-3);}
.drawer.open{transform:translateX(0);}
.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--c-line);}
.drawer-head strong{font-size:17px;color:var(--c-brand);}
.drawer-nav{flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;height:52px;padding:0 20px;font-size:15.5px;border-bottom:1px solid var(--c-line);}
.drawer-nav a.active{color:var(--c-brand);font-weight:700;background:var(--c-brand-100);}
.drawer-foot{padding:16px 20px 24px;}
.mask{position:fixed;inset:0;background:rgba(20,35,31,.55);z-index:80;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.mask.open{opacity:1;visibility:visible;}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:64px 0 76px;}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(14,59,51,.08) 0%,rgba(14,59,51,0) 52%,rgba(217,72,28,.06) 100%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand-600);background:#fff;border:1px solid var(--c-line);border-radius:var(--r-full);padding:6px 14px;margin-bottom:20px;}
.hero h1{font-size:clamp(30px,3.5vw,44px);line-height:1.3;font-weight:800;letter-spacing:.5px;}
.hero h1 em{font-style:normal;color:var(--c-brand);}
.hero-sub{font-size:16.5px;color:var(--c-muted);margin-top:18px;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);}
.pt-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink);}
.pt-item i{width:6px;height:6px;border-radius:50%;background:var(--c-action);display:inline-block;flex:0 0 auto;}
.hero-media{position:relative;}
.hero-media>img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);box-shadow:var(--sh-3);}
.float-card{position:absolute;left:-18px;bottom:-22px;width:78%;max-width:290px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:18px 20px;}
.float-card .fc-row{display:flex;gap:18px;}
.fc-num b{display:block;font-size:24px;font-weight:800;color:var(--c-brand);line-height:1.2;}
.fc-num span{font-size:12.5px;color:var(--c-muted);}
.fc-note{margin-top:12px;padding-top:12px;border-top:1px dashed var(--c-line);font-size:12.8px;color:var(--c-muted);}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.pain-card{background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-brand);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.pain-num{font-size:22px;font-weight:800;color:var(--c-brand);letter-spacing:1px;}
.pain-q{font-size:18px;font-weight:600;color:var(--c-ink);margin:8px 0 6px;line-height:1.6;}
.pain-card p{font-size:14.5px;color:var(--c-muted);}

/* 方案卡片 */
.plan-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;}
.card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.plan-main{grid-column:span 6;overflow:hidden;}
.plan-main img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg) var(--r-lg) 0 0;}
.plan-main .card-body{padding:24px;}
.plan-side{grid-column:span 6;display:grid;gap:22px;}
.plan-mid{display:flex;gap:18px;padding:22px;align-items:flex-start;}
.plan-mid .ico{width:44px;height:44px;border-radius:12px;background:var(--c-brand-100);color:var(--c-brand);display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.plan-small{grid-column:span 4;padding:22px;}
.plan-small .ico{width:40px;height:40px;border-radius:12px;background:var(--c-brand-100);color:var(--c-brand);display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.card p{font-size:14.6px;color:var(--c-muted);}
.tick-list{margin:14px 0 18px;}
.tick-list li{position:relative;font-size:14.5px;color:var(--c-text);padding-left:22px;margin-bottom:8px;}
.tick-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--c-brand);}

/* 数据区 */
.stats{background:var(--c-ink);color:var(--c-invert);padding:72px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:0 24px;border-left:1px solid rgba(243,246,243,.16);}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{display:block;font-size:clamp(32px,3.4vw,44px);font-weight:800;color:var(--c-accent);line-height:1.15;}
.stat span{display:block;font-size:14px;color:#B9C8C3;margin-top:8px;}
.stats-note{margin-top:28px;font-size:13px;color:#8FA29C;}

/* 资讯 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-link{display:flex;flex-direction:column;height:100%;}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-title{font-size:17.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-sum{font-size:14.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.news-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);}
.news-more{color:var(--c-brand-600);font-weight:600;}
.news-empty{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;}
.news-empty svg{margin:0 auto 14px;}
.news-empty p{font-size:15px;color:var(--c-muted);margin-bottom:18px;}

/* 表单 */
.form-wrap{display:grid;grid-template-columns:7fr 5fr;gap:36px;align-items:start;}
.form-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field .req{color:var(--c-action);margin-left:4px;}
.field input,.field select,.field textarea{width:100%;height:46px;border:1px solid var(--c-line);border-radius:10px;background:#fff;padding:0 14px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease;appearance:none;}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,59,51,.12);}
.field select{background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%235C6B66' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:11px;padding-right:36px;}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-muted);margin:4px 0 18px;}
.consent input{width:16px;height:16px;margin-top:4px;flex:0 0 auto;accent-color:var(--c-brand);}
.form-hint{font-size:12.5px;color:var(--c-muted);margin-top:14px;line-height:1.7;}
.steps li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--c-line);}
.steps li:last-child{border-bottom:none;}
.step-num{width:28px;height:28px;border-radius:50%;background:var(--c-brand);color:#fff;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex:0 0 auto;}
.steps h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.steps p{font-size:14px;color:var(--c-muted);margin:0;}

/* 隐私 */
.privacy{background:var(--c-surface-2);padding:64px 0;}
.privacy-grid{display:grid;grid-template-columns:4fr 8fr;gap:36px;align-items:start;}
.privacy h2{font-size:22px;display:flex;align-items:center;}
.privacy h2::before{content:"";width:4px;height:20px;background:var(--c-brand);border-radius:2px;margin-right:12px;}
.privacy-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--c-text);margin-bottom:12px;line-height:1.8;}
.privacy-list li::before{content:"";position:absolute;left:0;top:10px;width:10px;height:10px;border-radius:3px;background:var(--c-brand-100);border:1.5px solid var(--c-brand);}

/* FAQ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease;}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 56px 18px 22px;font-size:17px;font-weight:600;color:var(--c-ink);position:relative;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;margin-top:-7px;background:
  linear-gradient(var(--c-brand),var(--c-brand)) center/14px 2px no-repeat,
  linear-gradient(var(--c-brand),var(--c-brand)) center/2px 14px no-repeat;
  transition:transform .22s ease;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:16px;margin:0 22px 0;padding-left:0;padding-right:0;}

/* CTA 条 */
.cta-bar{background:var(--c-brand);color:#fff;padding:56px 0;}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-in h2{color:#fff;font-size:clamp(22px,2.2vw,28px);font-weight:700;}
.cta-in p{color:#C7D6D1;font-size:14.5px;margin:8px 0 0;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#C9D6D1;padding:64px 0 0;font-size:14px;}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:44px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand p{font-size:13.5px;color:#9FB0AB;margin:14px 0 16px;line-height:1.8;}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-col li{margin-bottom:10px;}
.foot-col a{font-size:14px;color:#C9D6D1;}
.foot-col a:hover{color:var(--c-accent);}
.foot-bottom{border-top:1px solid rgba(243,246,243,.14);padding:18px 0 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA29C;}
.foot-bottom a{color:#8FA29C;}
.foot-bottom a:hover{color:var(--c-accent);}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:#C9D6D1;}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:120;display:none;}
.modal.open{display:block;}
.modal-mask{position:absolute;inset:0;background:rgba(20,35,31,.72);}
.modal-panel{position:relative;width:520px;max-width:calc(100% - 32px);margin:6vh auto 0;background:#fff;border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:32px;}
.modal-panel h3{font-size:22px;margin-bottom:8px;}
.modal-panel .modal-sub{font-size:14px;color:var(--c-muted);margin-bottom:20px;}
.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--c-surface-2);color:var(--c-ink);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;}
.modal-close:hover{background:var(--c-brand-100);}

/* 移动吸底 CTA */
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--c-line);padding:10px 16px;box-shadow:0 -6px 20px rgba(20,35,31,.08);}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 20px;}
  .hero-grid{gap:32px;}
}
@media (max-width:991px){
  :root{--sp-section:64px;}
  .nav-links,.nav-actions .badge-status{display:none;}
  .burger{display:flex;}
  .hero{padding:44px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .float-card{left:auto;right:12px;bottom:-18px;}
  .plan-main,.plan-side,.plan-small{grid-column:span 12;}
  .plan-side{grid-template-columns:1fr;gap:22px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat{border-left:none;padding:0;}
  .stat:nth-child(2n){padding-left:20px;border-left:1px solid rgba(243,246,243,.16);}
  .form-wrap{grid-template-columns:1fr;gap:28px;}
  .privacy-grid{grid-template-columns:1fr;gap:20px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767px){
  .pain-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .hero-cta .btn{flex:1 1 auto;}
  .mobile-cta{display:block;}
  body{padding-bottom:64px;}
  .modal-panel{position:absolute;left:0;right:0;bottom:0;top:auto;margin:0;width:100%;max-width:100%;border-radius:var(--r-xl) var(--r-xl) 0 0;padding:26px 20px 28px;}
}
@media (max-width:520px){
  :root{--sp-section:44px;}
  .container{padding:0 16px;}
  body{font-size:15.5px;line-height:1.8;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .btn{padding:11px 18px;font-size:14.5px;}
  .btn-block-sm{width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr;}
  .float-card{position:static;width:100%;max-width:none;margin-top:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: article */
:root{
  --c-ink:#14231F;--c-brand:#0E3B33;--c-brand-600:#14544A;--c-brand-100:#E3EBE7;
  --c-action:#D9481C;--c-action-hover:#B93A12;--c-accent:#2FD0B4;--c-warn:#FFC24B;
  --c-bg:#F6F4EF;--c-surface:#FFFFFF;--c-surface-2:#EDF1EC;--c-line:#DCE3DE;
  --c-text:#1B2A26;--c-muted:#5C6B66;--c-invert:#F3F6F3;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:22px;--r-full:999px;
  --sh-1:0 1px 2px rgba(20,35,31,.06);
  --sh-2:0 8px 24px rgba(20,35,31,.08);
  --sh-3:0 18px 48px rgba(20,35,31,.12);
  --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","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;font-size:16px;line-height:1.85;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;font-size:15px;color:var(--c-text)}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{padding:0 32px}}
.section{padding:var(--sec-y) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:700;position:relative;padding-left:16px;line-height:1.4}
.section-head h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;border-radius:2px;background:var(--c-brand)}
.section-head p{color:var(--c-muted);font-size:15px;margin-top:8px;padding-left:16px}

/* 顶部信息条 */
.topbar{background:var(--c-ink);color:#EAF2EE;font-size:13px;line-height:36px}
.topbar-in{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-status{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);display:inline-block;box-shadow:0 0 0 3px rgba(47,208,180,.22)}
.topbar-timer b{color:var(--c-warn);font-weight:700;letter-spacing:.5px;font-variant-numeric:tabular-nums}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:var(--sh-2)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .2s ease}
.site-header.scrolled .nav-in{height:60px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;flex-shrink:0}
.logo-text{font-size:18px;font-weight:800;letter-spacing:.5px;color:var(--c-brand)}
.logo-text span{color:var(--c-action)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{position:relative;font-size:15px;color:var(--c-text);padding:6px 0;transition:color .2s ease}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--c-brand);transition:width .22s ease}
.nav-links a:hover{color:var(--c-brand)}
.nav-links a:hover::after{width:100%}
.nav-links a.active{font-weight:700;color:var(--c-brand)}
.nav-links a.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:12px}
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-full);font-size:12.5px;line-height:1;white-space:nowrap}
.badge-status{border:1px solid rgba(47,208,180,.55);background:rgba(47,208,180,.12);color:var(--c-brand-600)}
.badge-status .dot{width:6px;height:6px;box-shadow:none}
.badge-cat{background:var(--c-brand-100);color:var(--c-brand);font-weight:600}
.badge-warn{background:var(--c-warn);color:var(--c-ink);font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .12s ease,border-color .2s ease}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-action-hover);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{border:1.5px solid var(--c-brand);color:var(--c-brand);background:transparent}
.btn-secondary:hover{background:var(--c-brand-100)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-pill{border-radius:var(--r-full)}
.btn-block{width:100%}
.burger{display:none;width:44px;height:44px;border-radius:10px;position:relative}
.burger span,.burger span::before,.burger span::after{position:absolute;left:50%;width:20px;height:2px;background:var(--c-brand);border-radius:2px;transform:translateX(-50%);transition:.2s ease}
.burger span{top:21px}
.burger span::before{content:"";top:-6px;left:0;transform:none}
.burger span::after{content:"";top:6px;left:0;transform:none}
.burger.open span{background:transparent}
.burger.open span::before{top:0;transform:rotate(45deg)}
.burger.open span::after{top:0;transform:rotate(-45deg)}
.drawer-cta{display:none}

/* 窄版页面头 */
.page-head{background:var(--c-surface-2);border-bottom:1px solid var(--c-line);padding:28px 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--c-muted)}
.breadcrumb a{color:var(--c-brand-600)}
.breadcrumb a:hover{color:var(--c-action)}
.breadcrumb .sep{color:#9AA8A3}
.breadcrumb .current{color:var(--c-muted)}

/* 文章头部 */
.article-hero{padding:48px 0 0}
.article-main{max-width:760px;margin:0 auto}
.article-main .badge{margin-bottom:16px}
.article-main h1{font-size:clamp(28px,3.6vw,36px);font-weight:800;line-height:1.42;letter-spacing:.4px}
.article-lead{margin-top:18px;padding-left:16px;border-left:4px solid var(--c-brand);color:var(--c-muted);font-size:16px;line-height:1.8}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:22px;padding-bottom:20px;border-bottom:1px solid var(--c-line);font-size:14px;color:var(--c-muted)}
.sep-dot{width:4px;height:4px;border-radius:50%;background:#B7C3BE;display:inline-block}

/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,760px);justify-content:center;gap:56px;padding:40px 0 0}
@media(min-width:1200px){.article-layout{grid-template-columns:minmax(0,760px) 220px}}
.article-body{font-size:16.5px;line-height:1.9;color:var(--c-text);min-width:0}
.article-body p{margin:0 0 1.15em}
.article-body h2{font-size:26px;font-weight:700;line-height:1.5;margin:1.9em 0 .8em;padding-left:16px;position:relative}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:22px;border-radius:2px;background:var(--c-brand)}
.article-body h3{font-size:20px;font-weight:600;line-height:1.6;margin:1.5em 0 .6em}
.article-body ul{margin:0 0 1.2em}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-brand-600)}
.article-body ol{margin:0 0 1.2em;padding-left:22px;list-style:decimal}
.article-body ol li{margin-bottom:.5em}
.article-body blockquote{margin:1.4em 0;padding:16px 20px;background:var(--c-brand-100);border-left:4px solid var(--c-brand);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-brand)}
.article-body img{border-radius:var(--r-md);margin:1.4em auto}
.article-body a{color:var(--c-brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-action)}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th{background:var(--c-ink);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body tr:nth-child(even) td{background:#EFEDE7}
.article-toc{display:none}
@media(min-width:1200px){
  .article-toc{display:block;position:sticky;top:100px;font-size:13.5px;line-height:1.7;align-self:start}
  .article-toc h2{font-size:14px;font-weight:700;color:var(--c-brand);margin-bottom:12px;letter-spacing:.5px}
  .article-toc li{margin-bottom:8px}
  .article-toc li.toc-sub{padding-left:14px}
  .article-toc a{color:var(--c-muted);display:block;border-left:2px solid var(--c-line);padding-left:10px;transition:.2s ease}
  .article-toc a:hover,.article-toc a.on{color:var(--c-brand);border-color:var(--c-brand)}
}
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-full);border:1px solid var(--c-line);background:var(--c-surface);font-size:13px;color:var(--c-muted);transition:.2s ease}
.tag:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-100)}
.article-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;justify-content:center}
.empty-state{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:56px 24px;text-align:center}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px}

/* 相关入口 */
.related{padding:72px 0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--c-surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px}
.card-body h3{font-size:18px;font-weight:600;line-height:1.55}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.link-arrow{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14.5px;font-weight:600;color:var(--c-brand-600)}
.link-arrow:hover{color:var(--c-action)}
.link-arrow svg{transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(3px)}

/* CTA 条 */
.cta-bar{background:var(--c-ink);color:var(--c-invert);padding:56px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-in h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:#fff}
.cta-in p{margin-top:10px;font-size:15px;color:#C6D3CE;max-width:620px}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#C6D3CE;padding:64px 0 0;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.foot-brand p{margin:16px 0 16px;line-height:1.85;color:#AEBDB8}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-text span{color:var(--c-accent)}
.foot-brand .badge-status{color:#9FE9DA;border-color:rgba(47,208,180,.4);background:rgba(47,208,180,.1)}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.foot-col li{margin-bottom:12px}
.foot-col a:hover{color:var(--c-accent)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:#93A29D}
.foot-bottom a:hover{color:var(--c-accent)}
.to-top{color:#C6D3CE}

/* 弹层 */
.modal{position:fixed;inset:0;z-index:90;display:none}
.modal.open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(20,35,31,.72)}
.modal-panel{position:relative;z-index:2;width:520px;max-width:calc(100% - 32px);background:var(--c-surface);border-radius:var(--r-xl);box-shadow:var(--sh-3);padding:32px;margin:8vh auto 0;animation:pop .22s ease}
@keyframes pop{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.modal-panel h2{font-size:22px;font-weight:700}
.modal-panel>p{margin-top:10px;font-size:14.5px;color:var(--c-muted)}
.modal-close{position:absolute;top:18px;right:18px;width:36px;height:36px;border-radius:50%;background:var(--c-surface-2);font-size:20px;line-height:1;color:var(--c-muted)}
.modal-close:hover{background:var(--c-brand-100);color:var(--c-brand)}
.form{margin-top:22px;display:grid;gap:16px}
.field label{display:block;font-size:14px;margin-bottom:8px;font-weight:600}
.field .req{color:var(--c-action)}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:10px;background:#fff;transition:.2s ease}
.field textarea{height:96px;padding:12px 14px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,59,51,.14)}
.privacy-row{display:flex;align-items:flex-start;gap:10px;font-size:12.5px;color:var(--c-muted);line-height:1.7}
.privacy-row input{width:16px;height:16px;margin-top:4px;flex-shrink:0;accent-color:var(--c-brand)}
.form-note{font-size:12.5px;color:var(--c-muted)}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;background:var(--c-brand-100);color:var(--c-brand);font-size:14px}

@media(max-width:1199px){
  :root{--sec-y:64px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:991px){
  .nav-links{position:fixed;top:0;right:0;width:84%;height:100vh;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:88px 24px 100px;transform:translateX(105%);transition:transform .26s ease;box-shadow:var(--sh-3);z-index:70;overflow-y:auto}
  .nav-links.open{transform:translateX(0)}
  .nav-links a{height:52px;display:flex;align-items:center;border-bottom:1px solid var(--c-line);font-size:16px;padding:0}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--c-brand)}
  .drawer-cta{display:flex;margin-top:24px}
  .nav-actions .badge,.nav-actions .btn{display:none}
  .burger{display:block}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:767px){
  :root{--sec-y:44px}
  .container{padding:0 16px}
  .topbar-in{font-size:12px}
  .topbar-status{display:none}
  .article-hero{padding:32px 0 0}
  .article-lead{font-size:15.5px}
  .article-layout{padding:28px 0 0}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .modal-panel{width:100%;max-width:100%;margin:0;position:fixed;bottom:0;left:0;border-radius:var(--r-xl) var(--r-xl) 0 0;padding:26px 20px;animation:slideUp .26s ease}
  @keyframes slideUp{from{transform:translateY(100%)}to{transform:none}}
  .cta-in{flex-direction:column;align-items:flex-start}
}
@media(max-width:480px){
  .article-main h1{font-size:26px}
  .btn{padding:11px 18px;font-size:14.5px}
  .btn-lg{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --c-ink:#14231F;
  --c-brand:#0E3B33;
  --c-brand-600:#14544A;
  --c-brand-100:#E3EBE7;
  --c-action:#D9481C;
  --c-action-hover:#B93A12;
  --c-accent:#2FD0B4;
  --c-warn:#FFC24B;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1EC;
  --c-line:#DCE3DE;
  --c-text:#1B2A26;
  --c-muted:#5C6B66;
  --c-invert:#F3F6F3;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:22px; --r-full:999px;
  --sh-1:0 1px 2px rgba(20,35,31,.06);
  --sh-2:0 8px 24px rgba(20,35,31,.08);
  --sh-3:0 18px 48px rgba(20,35,31,.12);
  --sec-y:88px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;
  color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.3px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
section[id],div[id]{scroll-margin-top:96px}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.muted{color:var(--c-muted)}
.section{padding:var(--sec-y) 0}
.section-alt{background:var(--c-surface)}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-head h2{
  position:relative;font-size:clamp(24px,2.6vw,30px);font-weight:700;
  padding-left:16px;margin-bottom:14px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;background:var(--c-brand);
}
.sec-head p{color:var(--c-muted);font-size:15.5px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.6px;
  color:var(--c-brand-600);text-transform:none;margin-bottom:10px;
}
/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-full);font-size:12.5px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge .dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block}
.badge-status{color:var(--c-brand-600);background:rgba(47,208,180,.12);border:1px solid rgba(47,208,180,.55)}
.badge-cat{color:var(--c-brand);background:var(--c-brand-100);border:1px solid transparent}
.badge-limit{color:#4A3300;background:var(--c-warn);border:1px solid rgba(0,0,0,.06)}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:11px 24px;border-radius:10px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .12s ease,box-shadow .2s ease;
  cursor:pointer;text-align:center;
}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn-pill{border-radius:var(--r-full)}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-action-hover);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-outline{border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand-100)}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.22)}
.btn[disabled],.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand);transition:gap .2s ease,color .2s ease}
.link-arrow:hover{gap:10px;color:var(--c-action)}
/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.nav-in{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;flex:0 0 auto}
.logo-text{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--c-brand)}
.logo-text span{color:var(--c-action)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:14px}
.nav-links a{
  position:relative;font-size:15px;padding:24px 0;color:var(--c-text);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:18px;width:100%;height:2px;
  background:var(--c-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--c-brand)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{font-weight:700;color:var(--c-brand)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.drawer-cta{display:none}
.burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--c-line);background:var(--c-surface);
}
.burger span{position:relative;display:block;width:20px;height:2px;background:var(--c-ink);border-radius:2px;transition:background .2s ease}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--c-ink);border-radius:2px;
  transition:transform .22s ease,top .22s ease;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.burger.is-open span{background:transparent}
.burger.is-open span::before{top:0;transform:rotate(45deg)}
.burger.is-open span::after{top:0;transform:rotate(-45deg)}
/* 页面横幅 */
.page-hero{
  position:relative;display:flex;align-items:center;overflow:hidden;
  min-height:340px;background:var(--c-ink) url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,35,31,.88) 0%,rgba(20,35,31,.62) 62%,rgba(20,35,31,.5) 100%);
}
.page-hero-in{position:relative;z-index:2;padding:72px 24px;max-width:820px;color:#fff}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:.6px;
  margin:16px 0 14px;color:#fff;
}
.page-hero p{font-size:16.5px;line-height:1.85;color:rgba(243,246,243,.88);max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-meta .badge{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);color:#fff}
/* 简介区 */
.intro-grid{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.intro-text p{color:var(--c-text);font-size:16px}
.intro-text strong{color:var(--c-brand);font-weight:700}
.point-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.point-card h3{font-size:17px;font-weight:600;margin-bottom:14px}
.point-list li{
  position:relative;padding-left:20px;font-size:14.8px;color:var(--c-text);
  padding-bottom:12px;margin-bottom:12px;border-bottom:1px dashed var(--c-line);
}
.point-list li:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--c-accent);
}
/* 交错图文 */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:72px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse .feature-media{order:2}
.feature-media{position:relative}
.feature-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);
  border:1px solid var(--c-line);box-shadow:var(--sh-2);
}
.feature-media .media-tag{
  position:absolute;left:16px;top:16px;background:rgba(20,35,31,.82);color:#fff;
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:var(--r-full);
}
.feature-body h2{
  position:relative;font-size:clamp(21px,2.2vw,26px);font-weight:700;
  padding-left:16px;margin-bottom:16px;
}
.feature-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;background:var(--c-brand);
}
.feature-body p{color:var(--c-muted);font-size:15.5px}
.ticks{margin-top:20px;display:grid;gap:12px}
.ticks li{position:relative;padding-left:26px;font-size:15px;color:var(--c-text)}
.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:14px;height:8px;
  border-left:2px solid var(--c-accent);border-bottom:2px solid var(--c-accent);
  transform:rotate(-45deg);
}
/* 流程步骤 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.step-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.step-no{
  font-size:26px;font-weight:800;color:var(--c-brand);line-height:1;margin-bottom:14px;
  letter-spacing:1px;
}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14.5px;color:var(--c-muted)}
/* 数据条 */
.stats-band{background:var(--c-ink);color:#fff;padding:64px 0}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.stat-item{padding:0 28px;border-left:1px solid rgba(243,246,243,.16)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:clamp(30px,3.6vw,44px);font-weight:800;color:var(--c-accent);line-height:1.15}
.stat-num small{font-size:15px;font-weight:600;color:#fff;margin-left:6px;letter-spacing:.5px}
.stat-desc{font-size:14px;color:rgba(243,246,243,.76);margin-top:8px}
/* FAQ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";margin-left:auto;flex:0 0 auto;width:14px;height:14px;position:relative;
  background:
    linear-gradient(var(--c-brand),var(--c-brand)) center/14px 2px no-repeat,
    linear-gradient(var(--c-brand),var(--c-brand)) center/2px 14px no-repeat;
  transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--c-muted)}
/* CTA 条 */
.cta-band{background:var(--c-brand);color:#fff;padding:56px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-in h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;color:#fff}
.cta-in p{font-size:15px;color:rgba(243,246,243,.82);margin-top:8px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(243,246,243,.78);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-text span{color:var(--c-accent)}
.foot-brand p{font-size:14px;line-height:1.8;margin:16px 0 18px;max-width:320px}
.foot-brand .badge-status{color:var(--c-accent);background:rgba(47,208,180,.1);border-color:rgba(47,208,180,.45)}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:rgba(243,246,243,.78);transition:color .2s ease}
.foot-col a:hover{color:var(--c-accent)}
.foot-col li{font-size:14px}
.foot-bottom{
  margin-top:48px;border-top:1px solid rgba(243,246,243,.14);
  padding:20px 0 28px;display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;
}
.foot-bottom a{color:rgba(243,246,243,.7)}
.foot-bottom a:hover{color:var(--c-accent)}
.to-top{margin-left:auto;font-weight:600}
/* 弹层 */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(20,35,31,.72)}
.modal-panel{
  position:relative;z-index:2;width:520px;max-width:calc(100% - 40px);
  margin:7vh auto 0;background:var(--c-surface);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh-3);max-height:86vh;overflow:auto;
  animation:panelIn .24s ease both;
}
@keyframes panelIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.modal-close{
  position:absolute;right:14px;top:14px;width:36px;height:36px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;
  color:var(--c-muted);background:var(--c-surface-2);transition:background .2s ease,color .2s ease;
}
.modal-close:hover{background:var(--c-brand-100);color:var(--c-brand)}
.modal-panel h3{font-size:22px;font-weight:700;margin-bottom:10px}
.modal-panel .muted{font-size:14px;margin-bottom:20px}
/* 表单 */
.form-grid{display:grid;gap:16px}
.field{display:grid;gap:8px}
.field label{font-size:14px;font-weight:600;color:var(--c-text)}
.field .req{color:var(--c-action);margin-left:3px}
.field input,.field select{
  height:46px;padding:0 14px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(20,84,74,.14);
}
.field input::placeholder{color:#9AA8A3}
.consent{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--c-muted);line-height:1.7}
.consent input{width:16px;height:16px;margin-top:3px;flex:0 0 auto;accent-color:var(--c-brand)}
.form-note{font-size:12.5px;color:var(--c-muted)}
.form-done{
  display:none;background:var(--c-brand-100);border:1px solid rgba(20,84,74,.24);
  color:var(--c-brand);border-radius:var(--r-md);padding:14px 16px;font-size:14.5px;
}
.form-done.is-show{display:block}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}
/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 24px}
  .nav-links{gap:20px;margin-left:8px}
}
@media (max-width:991px){
  :root{--sec-y:64px}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;width:84%;max-width:360px;height:100vh;
    background:var(--c-surface);flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:84px 24px 32px;transform:translateX(100%);
    transition:transform .28s ease;box-shadow:var(--sh-3);overflow-y:auto;z-index:90;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{padding:15px 0;border-bottom:1px solid var(--c-line);font-size:16px}
  .nav-links a::after{display:none}
  .drawer-cta{display:inline-flex;width:100%;margin-top:22px}
  .burger{display:inline-flex}
  .nav-actions .badge{display:none}
  .intro-grid{grid-template-columns:1fr;gap:24px}
  .feature-row{grid-template-columns:1fr;gap:24px;margin-bottom:56px}
  .feature-row.reverse .feature-media{order:0}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-in{flex-direction:column;align-items:flex-start}
  .page-hero-in{padding:56px 24px}
}
@media (max-width:767px){
  :root{--sec-y:44px}
  .nav-in{height:64px;gap:12px}
  .logo-text{font-size:18px}
  .logo-mark{width:28px;height:28px}
  .page-hero{min-height:250px}
  .page-hero-in{padding:44px 20px}
  .page-hero p{font-size:15.5px}
  .hero-actions .btn{width:100%}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px 0}
  .stat-item{padding:0 20px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .steps-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .modal-panel{width:100%;max-width:100%;margin:auto;border-radius:var(--r-xl) var(--r-xl) 0 0;position:absolute;left:0;right:0;bottom:0;top:auto;max-height:92vh}
}
@media (max-width:480px){
  body{font-size:15.5px;line-height:1.8}
  .container{padding:0 16px}
  .page-hero-in{padding:36px 16px}
  .badge{font-size:12px;padding:0 10px}
  .btn{padding:11px 18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .to-top{margin-left:0}
}

/* roulang page: category2 */
:root{
  --c-ink:#14231F;
  --c-brand:#0E3B33;
  --c-brand-600:#14544A;
  --c-brand-100:#E3EBE7;
  --c-action:#D9481C;
  --c-action-hover:#B93A12;
  --c-accent:#2FD0B4;
  --c-warn:#FFC24B;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-surface-2:#EDF1EC;
  --c-line:#DCE3DE;
  --c-text:#1B2A26;
  --c-muted:#5C6B66;
  --c-invert:#F3F6F3;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-full:999px;
  --sh-1:0 1px 2px rgba(20,35,31,.06);
  --sh-2:0 8px 24px rgba(20,35,31,.08);
  --sh-3:0 18px 48px rgba(20,35,31,.12);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{padding:0 32px}}

/* ===== 顶部信息条 ===== */
.topbar{height:36px;background:var(--c-ink);color:#fff;font-size:13px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.tb-left{display:flex;align-items:center;gap:8px;white-space:nowrap}
.tb-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(47,208,180,.18);animation:pulse 2.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.tb-right{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.74);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tb-right strong{color:var(--c-warn);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .25s ease}
.site-header.scrolled .nav-in{height:60px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:34px;height:34px;flex:none}
.logo-text{font-size:19px;font-weight:800;letter-spacing:.5px;color:var(--c-brand);line-height:1}
.logo-text span{color:var(--c-action)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{position:relative;display:block;padding:10px 14px;font-size:15px;color:var(--c-text);border-radius:var(--r-sm)}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;background:var(--c-brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-links a:hover{color:var(--c-brand)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-brand);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.burger{display:none;position:relative;width:44px;height:44px;border-radius:10px;background:var(--c-brand-100)}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--c-brand);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.burger span{top:21px}
.burger::before{top:15px}
.burger::after{top:27px}
.burger[aria-expanded="true"] span{opacity:0}
.burger[aria-expanded="true"]::before{transform:translateY(6px) rotate(45deg)}
.burger[aria-expanded="true"]::after{transform:translateY(-6px) rotate(-45deg)}

/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-full);font-size:12.5px;line-height:1;white-space:nowrap}
.badge-status{border:1px solid rgba(47,208,180,.55);background:rgba(47,208,180,.1);color:#0B6B5C}
.badge-cat{background:var(--c-brand-100);color:var(--c-brand);font-weight:600}
.badge-warn{background:rgba(255,194,75,.24);border:1px solid rgba(255,194,75,.7);color:#7A5200}
.dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;flex:none}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease}
.btn-primary{background:var(--c-action);color:#fff;box-shadow:0 4px 14px rgba(217,72,28,.22)}
.btn-primary:hover{background:var(--c-action-hover);box-shadow:0 6px 18px rgba(217,72,28,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 2px 8px rgba(217,72,28,.22)}
.btn-outline{border:1.5px solid var(--c-brand);color:var(--c-brand);background:transparent}
.btn-outline:hover{background:var(--c-brand-100)}
.btn-outline:active{transform:translateY(1px)}
.btn-ghost{border:1.5px solid rgba(255,255,255,.6);background:rgba(255,255,255,.08);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-pill{border-radius:var(--r-full)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ===== 移动抽屉 ===== */
.drawer-mask{position:fixed;inset:0;background:rgba(20,35,31,.6);z-index:90;opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{position:fixed;top:0;right:0;bottom:0;width:84%;max-width:340px;background:#fff;z-index:95;display:flex;flex-direction:column;transform:translateX(100%);transition:transform .3s ease;box-shadow:var(--sh-3);padding:20px 0}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--c-line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--c-brand)}
.drawer-nav{flex:1;overflow-y:auto}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:52px;padding:0 20px;border-bottom:1px solid var(--c-line);font-size:15px;color:var(--c-text)}
.drawer-nav a.active{color:var(--c-brand);font-weight:700;background:var(--c-brand-100)}
.drawer-foot{padding:16px 20px 4px;border-top:1px solid var(--c-line)}

/* ===== 页面横幅 ===== */
.page-hero{position:relative;min-height:320px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;background-color:var(--c-brand);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,35,31,.9) 0%,rgba(20,35,31,.72) 55%,rgba(20,35,31,.56) 100%)}
.page-hero .container{position:relative;z-index:1;padding-top:56px;padding-bottom:56px}
.hero-eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px}
.hero-eyebrow .badge-status{border-color:rgba(47,208,180,.6);background:rgba(47,208,180,.14);color:#9FF2E2}
.page-hero h1{font-size:clamp(28px,4vw,42px);font-weight:800;letter-spacing:.5px;line-height:1.3;max-width:820px}
.hero-lead{margin-top:16px;max-width:720px;font-size:16.5px;color:rgba(255,255,255,.84);line-height:1.8}
.hero-act{margin-top:26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}

/* ===== 主体两栏 ===== */
.main{padding:64px 0 72px}
.main-grid{display:grid;grid-template-columns:3fr 9fr;gap:32px;align-items:start}
.side{display:flex;flex-direction:column;gap:20px}
.toc{position:sticky;top:100px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1)}
.toc-title{font-size:14px;font-weight:700;color:var(--c-muted);letter-spacing:1px;margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{display:block;padding:8px 12px;font-size:14.5px;color:var(--c-text);border-left:3px solid transparent;border-radius:0 var(--r-sm) var(--r-sm) 0;transition:background .2s ease,color .2s ease,border-color .2s ease}
.toc-list a:hover{background:var(--c-surface-2);color:var(--c-brand)}
.toc-list a.is-current{border-left-color:var(--c-brand);background:var(--c-brand-100);color:var(--c-brand);font-weight:700}
.side-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.side-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-card-body{padding:18px}
.side-card p{font-size:14.5px;color:var(--c-muted);line-height:1.8;margin-bottom:14px}

/* ===== 面板 ===== */
.panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.panel + .panel{margin-top:24px}
.sec-title{position:relative;padding-left:14px;font-size:clamp(21px,2.3vw,27px);font-weight:700;letter-spacing:.3px;line-height:1.4}
.sec-title::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--c-brand)}
.sec-sub{margin:10px 0 22px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ===== 条目列表 ===== */
.entry-list{display:flex;flex-direction:column}
.entry{display:flex;align-items:flex-start;gap:14px;padding:16px 12px;border-radius:var(--r-md);border-bottom:1px dashed var(--c-line);transition:background .2s ease,transform .2s ease}
.entry:last-child{border-bottom:0}
.entry:hover{background:var(--c-surface-2);transform:translateY(-2px)}
.entry-no{flex:none;width:30px;height:30px;border-radius:9px;background:var(--c-brand-100);color:var(--c-brand);font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums}
.entry-body{flex:1;min-width:0}
.entry-title{font-size:17px;font-weight:600;line-height:1.6}
.entry-desc{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-top:2px}
.entry-arrow{flex:none;color:var(--c-brand);opacity:.45;transition:opacity .2s ease,transform .2s ease;margin-top:4px}
.entry:hover .entry-arrow{opacity:1;transform:translateX(3px)}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-md);-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:660px;border-collapse:collapse;font-size:14.5px}
.cmp thead th{background:var(--c-ink);color:#fff;text-align:left;font-weight:600;font-size:14px;padding:14px 16px;white-space:nowrap}
.cmp tbody td{padding:14px 16px;border-top:1px solid var(--c-line);vertical-align:top;line-height:1.7}
.cmp tbody tr:nth-child(odd){background:#F6F4EF}
.cmp tbody tr:nth-child(even){background:#fff}
.cmp tbody tr:hover{background:var(--c-brand-100)}
.cmp .cell-key{font-weight:600;color:var(--c-brand);white-space:nowrap}
.tag{display:inline-block;padding:2px 10px;border-radius:var(--r-full);font-size:12.5px;line-height:1.7;white-space:nowrap}
.tag-free{background:rgba(47,208,180,.16);color:#0B6B5C;border:1px solid rgba(47,208,180,.5)}
.tag-pay{background:rgba(217,72,28,.12);color:#9C3011;border:1px solid rgba(217,72,28,.35)}

/* ===== 小卡网格 ===== */
.mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.mini{display:flex;gap:12px;padding:18px;border:1px solid var(--c-line);border-radius:var(--r-md);background:var(--c-surface);transition:box-shadow .2s ease,transform .2s ease}
.mini:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.mini-icon{flex:none;width:38px;height:38px;border-radius:10px;background:var(--c-brand-100);color:var(--c-brand);display:flex;align-items:center;justify-content:center}
.mini h3{font-size:16px;font-weight:600;line-height:1.6}
.mini p{font-size:14px;color:var(--c-muted);line-height:1.75;margin-top:2px}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq details[open]{box-shadow:var(--sh-2);border-color:rgba(14,59,51,.28)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 18px;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:none;width:26px;height:26px;border-radius:50%;background:var(--c-brand-100);color:var(--c-brand);font-size:18px;font-weight:700;line-height:24px;text-align:center;transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .faq-body{padding:0 18px 18px;font-size:15.5px;color:var(--c-muted);line-height:1.85}

/* ===== 表单 ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{min-width:0}
.field-full{grid-column:1/-1}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.req{color:var(--c-action)}
.input,select.input,textarea.input{width:100%;height:46px;border:1px solid var(--c-line);border-radius:10px;padding:0 14px;font-size:15px;background:#fff;color:var(--c-text);transition:border-color .2s ease,box-shadow .2s ease}
textarea.input{height:auto;padding:12px 14px;line-height:1.7;resize:vertical}
.input::placeholder{color:#9AA7A2}
.input:focus{border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(14,59,51,.12);outline:none}
.privacy-row{display:flex;align-items:flex-start;gap:10px;margin:16px 0 12px;font-size:13.5px;color:var(--c-muted);line-height:1.7}
.privacy-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-brand);flex:none}
.form-note{font-size:12.5px;color:var(--c-muted);line-height:1.7}
.form-tip{margin-top:10px;font-size:13px;color:var(--c-action);display:none;align-items:center;gap:6px}
.form-tip.show{display:flex}
.form-ok{margin-top:12px;font-size:14px;font-weight:600;color:#0B6B5C;background:rgba(47,208,180,.14);border:1px solid rgba(47,208,180,.45);border-radius:10px;padding:10px 14px;display:none}
.form-ok.show{display:block}

/* ===== 隐私说明 ===== */
.privacy-block{background:var(--c-surface-2);border-radius:var(--r-lg);padding:26px;border:1px solid var(--c-line)}
.privacy-block h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.privacy-list{margin-top:14px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px}
.privacy-list li{position:relative;padding-left:16px;font-size:14.5px;color:var(--c-muted);line-height:1.8}
.privacy-list li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:2px;background:var(--c-brand)}

/* ===== CTA 条 ===== */
.cta-band{background:var(--c-brand);color:#fff;padding:52px 0}
.cta-in{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-in h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;letter-spacing:.3px}
.cta-in p{margin-top:10px;font-size:15.5px;color:rgba(255,255,255,.8);max-width:640px;line-height:1.8}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-ink);color:var(--c-invert);padding:64px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px}
.foot-brand .logo{margin-bottom:16px}
.foot-brand .logo-text{color:#fff}
.foot-brand .logo-text span{color:var(--c-accent)}
.foot-brand p{font-size:14.5px;color:rgba(243,246,243,.72);line-height:1.85;margin-bottom:16px;max-width:340px}
.foot-brand .badge-status{border-color:rgba(47,208,180,.55);background:rgba(47,208,180,.12);color:#9FF2E2}
.foot-col h3{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li,.foot-col a{font-size:14px;color:rgba(243,246,243,.68);line-height:1.7}
.foot-col a:hover{color:var(--c-accent)}
.foot-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(243,246,243,.6)}
.foot-bottom a:hover{color:var(--c-accent)}
.to-top{color:var(--c-accent)}

/* ===== 弹层 ===== */
.modal-mask{position:fixed;inset:0;background:rgba(20,35,31,.72);z-index:120;display:none;align-items:center;justify-content:center;padding:20px}
.modal-mask.open{display:flex}
.modal{position:relative;width:520px;max-width:100%;max-height:90vh;overflow-y:auto;background:#fff;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-3);animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
.modal h2{font-size:22px;font-weight:700;letter-spacing:.3px}
.modal .modal-sub{margin-top:8px;font-size:14.5px;color:var(--c-muted);line-height:1.8}
.modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:50%;background:var(--c-surface-2);color:var(--c-muted);display:flex;align-items:center;justify-content:center;font-size:19px;line-height:1;transition:background .2s ease,color .2s ease}
.modal-close:hover{background:var(--c-brand-100);color:var(--c-brand)}
.modal form{margin-top:22px}

/* ===== 吸底 CTA ===== */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(255,255,255,.97);border-top:1px solid var(--c-line);box-shadow:0 -6px 20px rgba(20,35,31,.1);padding:10px 16px;display:none}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .main-grid{gap:26px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .burger{display:block}
  .nav-actions .badge{display:none}
  .main{padding:48px 0 56px}
  .main-grid{grid-template-columns:1fr;gap:24px}
  .side{flex-direction:column}
  .toc{position:static;padding:16px}
  .toc-list{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;padding-bottom:4px;scrollbar-width:thin}
  .toc-list a{white-space:nowrap;border-left:0;border:1px solid var(--c-line);border-radius:var(--r-full);padding:6px 14px;font-size:14px}
  .toc-list a.is-current{border-color:var(--c-brand);background:var(--c-brand-100)}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .page-hero{min-height:280px}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:76px}
  .topbar{height:auto;padding:7px 0;font-size:12.5px}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:2px}
  .nav-in{height:64px}
  .site-header.scrolled .nav-in{height:58px}
  .nav-actions .btn{display:none}
  .page-hero{min-height:220px}
  .page-hero .container{padding-top:40px;padding-bottom:40px}
  .hero-lead{font-size:15.5px}
  .main{padding:36px 0 44px}
  .panel{padding:20px}
  .mini-grid,.form-grid,.privacy-list{grid-template-columns:1fr}
  .faq summary{font-size:16px;padding:14px 16px}
  .cta-band{padding:40px 0}
  .cta-in{flex-direction:column;align-items:flex-start}
  .cta-in .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px;margin-top:34px}
  .sticky-cta{display:block}
  /* 表格转卡片 */
  .table-wrap{border:0;overflow:visible;border-radius:0}
  table.cmp{min-width:0;font-size:14px}
  .cmp thead{display:none}
  .cmp tbody tr{display:block;border:1px solid var(--c-line);border-radius:var(--r-md);margin-bottom:12px;padding:6px 0;background:#fff !important}
  .cmp tbody td{display:flex;justify-content:space-between;gap:14px;padding:7px 16px;border:0;text-align:right}
  .cmp tbody td::before{content:attr(data-l);flex:none;color:var(--c-muted);font-weight:600;text-align:left}
  .cmp tbody td:first-child{padding-top:10px;font-weight:700;color:var(--c-brand);border-bottom:1px dashed var(--c-line);padding-bottom:10px;margin-bottom:4px}
  .cmp tbody td:first-child::before{color:var(--c-brand)}
  /* 弹层改底部抽屉 */
  .modal-mask{align-items:flex-end;padding:0}
  .modal{width:100%;border-radius:var(--r-xl) var(--r-xl) 0 0;padding:26px 20px 30px;max-height:88vh;animation:drawerUp .3s ease}
  @keyframes drawerUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
}
@media (max-width:480px){
  .container{padding:0 18px}
  .page-hero h1{font-size:26px}
  .btn{padding:11px 18px;font-size:14.5px}
  .btn-block-mobile{width:100%}
  .entry{padding:14px 8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}