/* roulang page: index */
:root{
  --c-primary:#23524B;
  --c-primary-2:#3E6F66;
  --c-primary-3:#6E9A92;
  --c-primary-4:#DCE8E5;
  --c-accent:#E4693A;
  --c-accent-2:#F3A176;
  --c-accent-3:#FDEEE6;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --dark:#17302C;
  --t1:#16181A;
  --t2:#5A6060;
  --t3:#8C9291;
  --border:#E7E5DF;
  --border-soft:#EFEDE7;
  --ok:#2F7A5F;
  --warn:#C4552F;
  --err:#B3372C;
  --info:#4A6E8A;
  --r-card:14px;
  --r-img:10px;
  --r-input:10px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(22,24,26,.05);
  --sh-md:0 6px 20px rgba(22,24,26,.07);
  --sh-lg:0 18px 40px rgba(22,24,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;color:var(--t1);letter-spacing:0}
h1{font-size:48px;line-height:1.28}
h2{font-size:32px;line-height:1.35}
h3{font-size:23px;line-height:1.45}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:inherit}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:48px}
.section-head .eyebrow{display:inline-block;font-family:var(--sans);font-size:12px;letter-spacing:.14em;color:var(--c-primary-3);text-transform:uppercase;margin-bottom:14px}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--t2);font-size:16px;margin:0}
.divider{height:1px;background:var(--border);border:0;margin:0}

/* 公告条 */
.notice-bar{background:var(--dark);color:#E9F0EE;font-size:13px;line-height:36px;height:36px;overflow:hidden}
.notice-bar .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.notice-bar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-bar a{color:var(--c-accent-2);text-decoration:underline;text-underline-offset:3px;white-space:nowrap}
.notice-close{background:none;border:0;color:#8FA8A2;padding:0 4px;line-height:1;font-size:16px}
.notice-close:hover{color:#fff}
.notice-bar.is-hidden{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:height .2s var(--ease)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .2s var(--ease)}
.site-header.is-shrink .header-inner{height:60px}
.logo{font-family:var(--serif);font-size:21px;font-weight:600;color:var(--t1);white-space:nowrap}
.logo:hover{color:var(--c-primary)}
.main-nav{display:flex;align-items:center;gap:30px;flex:1;justify-content:center}
.nav-link{position:relative;font-size:15px;color:var(--t2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--t1);font-weight:600}
.header-actions{display:flex;align-items:center;gap:18px}
.header-phone{font-size:14px;color:var(--t2);font-variant-numeric:tabular-nums}
.header-phone:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--border);border-radius:8px;background:#fff;padding:0;position:relative}
.nav-toggle i{position:absolute;left:11px;right:11px;height:1.5px;background:var(--t1);border-radius:2px;transition:.2s var(--ease)}
.nav-toggle i:nth-child(1){top:14px}
.nav-toggle i:nth-child(2){top:19px}
.nav-toggle i:nth-child(3){top:24px}
.nav-toggle.is-open i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open i:nth-child(2){opacity:0}
.nav-toggle.is-open i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.drawer{position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;box-shadow:var(--sh-lg);transform:translateX(102%);transition:transform .28s var(--ease);z-index:90;padding:28px 24px;display:flex;flex-direction:column;gap:6px}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-head .logo{font-size:19px}
.drawer-close{background:none;border:0;font-size:20px;color:var(--t2);line-height:1}
.drawer a.drawer-link{padding:14px 2px;border-bottom:1px solid var(--border-soft);font-size:16px;color:var(--t1)}
.drawer a.drawer-link:hover{color:var(--c-primary)}
.drawer .btn{margin-top:20px;width:100%}
.mask{position:fixed;inset:0;background:rgba(23,48,44,.42);opacity:0;pointer-events:none;transition:opacity .25s var(--ease);z-index:80}
.mask.is-open{opacity:1;pointer-events:auto}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap}
.btn:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:#1C433D;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:rgba(35,82,75,.06);color:var(--c-primary);transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;position:relative}
.btn-accent:hover{background:#D25A2C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-xs{height:34px;padding:0 14px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* Hero */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(35,82,75,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(35,82,75,.045) 1px,transparent 1px);background-size:48px 48px;opacity:.6;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center}
.hero-copy .eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--c-primary-3);margin-bottom:18px}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--t2);line-height:1.8;margin-bottom:32px;max-width:520px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.hero-note{font-size:13px;color:var(--t3);margin:0}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-lg)}
.hero-media .pill{position:absolute;left:-14px;top:26px;background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;padding:9px 18px;border-radius:999px;box-shadow:var(--sh-md)}
.hero-media .badge-outline{position:absolute;right:18px;bottom:18px;background:rgba(255,255,255,.94);border:1px solid var(--c-primary);color:var(--c-primary);font-size:13px;padding:8px 16px;border-radius:999px;backdrop-filter:none}
.hero-media .corner{position:absolute;left:18px;bottom:18px;background:rgba(23,48,44,.86);color:#EAF3F1;font-size:12px;padding:6px 14px;border-radius:999px}

/* 信任条 */
.trust{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff}
.trust-grid{display:grid;grid-template-columns:repeat(5,1fr);padding:32px 0}
.trust-item{padding:0 20px;border-right:1px solid var(--border)}
.trust-item:last-child{border-right:0}
.trust-num{font-family:var(--serif);font-size:30px;font-weight:600;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-label{font-size:13px;color:var(--t2);margin-top:4px}

/* 优惠阶梯 */
.ladder{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden}
.ladder-item{display:grid;grid-template-columns:70px 1fr 1fr 160px 28px;gap:20px;align-items:center;padding:26px 30px;border-bottom:1px solid var(--border-soft);transition:background .2s var(--ease)}
.ladder-item:last-child{border-bottom:0}
.ladder-item:hover{background:#FCFBF8}
.ladder-no{font-family:var(--serif);font-size:24px;color:var(--c-primary-3);font-variant-numeric:tabular-nums}
.ladder-name{font-size:17px;font-weight:600}
.ladder-desc{font-size:14px;color:var(--t2);line-height:1.7}
.ladder-threshold{font-size:14px;color:var(--c-accent);font-weight:600;font-variant-numeric:tabular-nums}
.ladder-arrow{color:var(--c-primary-3);font-size:18px;text-align:right;transition:transform .2s var(--ease)}
.ladder-item:hover .ladder-arrow{transform:translateX(4px);color:var(--c-accent)}

/* 套餐对比 */
.plans{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden}
.plan-row{display:grid;grid-template-columns:200px repeat(3,1fr);border-bottom:1px solid var(--border-soft)}
.plan-row:last-child{border-bottom:0}
.plan-cell{padding:20px 22px;border-right:1px solid var(--border-soft);font-size:15px;color:var(--t2);display:flex;align-items:center}
.plan-cell:last-child{border-right:0}
.plan-cell.dim{color:var(--t1);font-weight:600;background:#FCFBF8;font-size:15px}
.plan-head{padding:32px 22px 26px;display:block}
.plan-head .plan-name{font-family:var(--serif);font-size:20px;font-weight:600;color:var(--t1);margin-bottom:8px}
.plan-head .plan-price{font-size:30px;color:var(--c-primary);font-weight:600;font-variant-numeric:tabular-nums;line-height:1.2}
.plan-head .plan-price small{font-size:13px;color:var(--t3);font-weight:400;margin-left:4px}
.plan-head .plan-tip{font-size:13px;color:var(--t2);margin-top:10px;line-height:1.7}
.plan-row .is-featured{background:#F7FBF9;position:relative}
.plan-flag{position:absolute;top:0;right:22px;background:var(--c-accent);color:#fff;font-size:12px;padding:3px 12px;border-radius:0 0 8px 8px}
.plan-foot .btn{margin:0}

/* 限时条 */
.countdown-bar{background:var(--dark);color:#EAF3F1;padding:26px 0}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.countdown-text strong{display:block;font-family:var(--serif);font-size:21px;font-weight:600;color:#fff;margin-bottom:4px}
.countdown-text span{font-size:14px;color:#A9C2BC}
.countdown-clock{display:flex;align-items:center;gap:10px}
.clock-cell{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:6px;min-width:62px;padding:8px 0;text-align:center}
.clock-cell b{display:block;font-size:24px;font-variant-numeric:tabular-nums;color:#fff;line-height:1.2;font-weight:600}
.clock-cell i{font-style:normal;font-size:12px;color:#9DB8B2}
.clock-sep{color:#6E8E88;font-size:20px}

/* 内容资讯 */
.news-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:stretch}
.news-feature{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.news-feature:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,82,75,.3)}
.news-feature img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.news-feature .body{padding:26px 28px 28px}
.tag{display:inline-block;font-size:12px;padding:3px 12px;border-radius:999px;background:var(--c-primary-4);color:var(--c-primary);margin-bottom:14px}
.news-feature h3{font-size:22px;margin-bottom:12px}
.news-feature h3 a{color:var(--t1)}
.news-feature h3 a:hover{color:var(--c-primary)}
.news-feature p{font-size:14px;color:var(--t2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{font-size:13px;color:var(--t3);margin-top:16px;display:flex;gap:14px;align-items:center;font-variant-numeric:tabular-nums}
.news-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:10px 24px;display:flex;flex-direction:column;justify-content:center}
.news-item{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--border-soft);align-items:center}
.news-item:last-child{border-bottom:0}
.news-item img{width:88px;height:64px;object-fit:cover}
.news-item h4{font-size:15px;font-family:var(--sans);font-weight:600;line-height:1.55;margin-bottom:6px}
.news-item h4 a{color:var(--t1)}
.news-item h4 a:hover{color:var(--c-primary)}
.news-item .time{font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums}
.empty-state{background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);padding:64px 24px;text-align:center;grid-column:1/-1}
.empty-state p{color:var(--t2);margin-bottom:18px}

/* 场景 / 服务条 */
.scene-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border)}
.scene-row{display:grid;grid-template-columns:260px 1fr 140px;gap:32px;padding:32px 0;border-bottom:1px solid var(--border);align-items:start}
.scene-row h3{font-size:20px;color:var(--c-primary)}
.scene-row p{font-size:15px;color:var(--t2);margin:0}
.scene-row .scene-link{font-size:14px;color:var(--c-accent);text-align:right;font-weight:600;padding-top:4px}
.scene-row .scene-link:hover{color:var(--c-primary)}

/* 流程横向 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;background:#fff}
.step{padding:28px 24px;border-right:1px solid var(--border-soft);position:relative}
.step:last-child{border-right:0}
.step .no{font-family:var(--serif);font-size:22px;color:var(--c-accent);font-variant-numeric:tabular-nums;display:block;margin-bottom:14px}
.step h4{font-size:16px;margin-bottom:8px;font-family:var(--sans);font-weight:600}
.step p{font-size:13px;color:var(--t2);line-height:1.75;margin:0}

/* FAQ */
.faq-wrap{max-width:840px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-q{width:100%;background:none;border:0;padding:24px 40px 24px 0;text-align:left;font-size:17px;font-weight:600;color:var(--t1);position:relative;line-height:1.6}
.faq-q:hover{color:var(--c-primary)}
.faq-q::after{content:"+";position:absolute;right:6px;top:24px;font-size:20px;font-weight:400;color:var(--c-primary-3);transition:transform .25s var(--ease)}
.faq-item.is-open .faq-q::after{content:"−";color:var(--c-accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{font-size:15px;color:var(--t2);line-height:1.85;padding:0 40px 24px 0;margin:0}

/* 咨询表单 */
.consult{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.consult-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:64px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--t2);margin-bottom:8px}
.field label .req{color:var(--err);margin-left:2px}
.field input,.field select,.field textarea{width:100%;border:1px solid #DDD9D2;border-radius:var(--r-input);background:#fff;padding:0 14px;height:46px;color:var(--t1);transition:border-color .2s var(--ease),box-shadow .2s var(--ease);outline:none}
.field textarea{height:120px;padding:12px 14px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t2) 50%),linear-gradient(135deg,var(--t2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(35,82,75,.12)}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t2);margin:22px 0 24px}
.check-row input{width:16px;height:16px;margin-top:5px;accent-color:var(--c-primary)}
.form-msg{display:none;font-size:14px;padding:10px 14px;border-radius:8px;margin-bottom:18px}
.form-msg.is-ok{display:block;background:rgba(47,122,95,.08);color:var(--ok);border:1px solid rgba(47,122,95,.22)}
.form-msg.is-err{display:block;background:rgba(179,55,44,.07);color:var(--err);border:1px solid rgba(179,55,44,.2)}
.consult-aside{background:#F7FBF9;border:1px solid var(--border);border-radius:var(--r-card);padding:32px}
.consult-aside h3{font-size:20px;margin-bottom:18px}
.consult-aside ul li{font-size:14px;color:var(--t2);padding:12px 0;border-bottom:1px solid var(--border-soft);display:flex;justify-content:space-between;gap:12px}
.consult-aside ul li:last-child{border-bottom:0}
.consult-aside ul li b{color:var(--t1);font-weight:600;font-variant-numeric:tabular-nums}

/* CTA 条 */
.cta-band{background:var(--c-primary);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:8px}
.cta-inner p{color:#C9DCD8;font-size:15px;margin:0}
.cta-band .btn-accent:hover{background:#fff;color:var(--c-primary)}

/* 页脚 */
.site-footer{background:var(--dark);color:#B7CBC7;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff;font-size:20px;display:inline-block;margin-bottom:16px}
.footer-brand p{color:#8FA8A2;font-size:14px;line-height:1.85;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-family:var(--sans);font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#B7CBC7;font-size:14px}
.footer-col a:hover{color:var(--c-accent-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E9791}
.footer-bottom a{color:#7E9791}
.footer-bottom a:hover{color:var(--c-accent-2)}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 28px}
  h1{font-size:42px}
  .hero-grid{gap:36px}
  .ladder-item{grid-template-columns:58px 1fr 1fr 130px 24px;gap:16px;padding:22px 24px}
  .plan-row{grid-template-columns:170px repeat(3,1fr)}
}
@media (max-width:991px){
  .container{padding:0 28px}
  .section{padding:64px 0}
  h1{font-size:34px}
  h2{font-size:26px}
  .main-nav{display:none}
  .header-phone{display:none}
  .nav-toggle{display:block}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media img{aspect-ratio:16/10}
  .trust-grid{grid-template-columns:repeat(3,1fr);row-gap:24px}
  .trust-item{border-right:0;padding:0 12px}
  .news-layout{grid-template-columns:1fr}
  .scene-row{grid-template-columns:1fr;gap:12px}
  .scene-row .scene-link{text-align:left}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step{border-bottom:1px solid var(--border-soft)}
  .consult-grid{grid-template-columns:1fr;gap:36px}
  .plans{overflow-x:auto}
  .plan-row{min-width:720px}
  .ladder-item{grid-template-columns:48px 1fr 110px 20px}
  .ladder-desc{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  h1{font-size:31px}
  h2{font-size:24px}
  h3{font-size:20px}
  body{font-size:15px}
  .notice-bar{display:none}
  .hero-actions .btn{width:100%}
  .hero-media .pill{left:8px;top:12px}
  .hero-media .corner{display:none}
  .trust-grid{grid-template-columns:repeat(2,1fr);padding:24px 0}
  .ladder-item{grid-template-columns:42px 1fr 20px;gap:12px}
  .ladder-threshold{display:none}
  .steps{grid-template-columns:1fr}
  .step{border-right:0}
  .countdown-inner{justify-content:center;text-align:center}
  .clock-cell{min-width:56px}
  .news-item{grid-template-columns:72px 1fr;gap:12px}
  .news-item img{width:72px;height:56px}
  .cta-inner h2{font-size:22px}
  .cta-inner .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:480px){
  h1{font-size:27px}
  .hero-sub{font-size:16px}
  .hero-copy .eyebrow{margin-bottom:12px}
  .trust-num{font-size:24px}
  .clock-cell{min-width:48px;padding:6px 0}
  .clock-cell b{font-size:19px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}

/* roulang page: article */
:root{
  --brand:#23524B;
  --brand-2:#3E6F66;
  --brand-3:#6E9A92;
  --brand-4:#DCE8E5;
  --accent:#E4693A;
  --accent-2:#F3A176;
  --accent-3:#FDEEE6;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --dark:#17302C;
  --text:#16181A;
  --text-2:#5A6060;
  --text-3:#8C9291;
  --border:#E7E5DF;
  --input-border:#DDD9D2;
  --success:#2F7A5F;
  --warn:#C4552F;
  --danger:#B3372C;
  --info:#4A6E8A;
  --radius:14px;
  --radius-img:10px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(22,24,26,.05);
  --shadow-md:0 6px 20px rgba(22,24,26,.07);
  --shadow-lg:0 18px 40px rgba(22,24,26,.10);
  --container:1200px;
  --article-w:780px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:var(--brand-4);color:var(--dark)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 40px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* 公告细条 */
.announce{background:var(--dark);color:#E8F0EE;font-size:13px}
.announce-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:36px}
.announce-inner p{margin:0;letter-spacing:.02em;opacity:.92}
.announce-inner a{color:var(--accent-2);border-bottom:1px solid rgba(243,161,118,.45);padding-bottom:1px}
.announce-inner a:hover{color:#fff;border-bottom-color:#fff}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:34px;
  height:72px;
  transition:height .22s var(--ease);
}
.site-header.is-shrink .header-inner{height:60px}
.logo{
  font-family:var(--serif);
  font-size:21px;
  font-weight:600;
  letter-spacing:.01em;
  color:var(--text);
  white-space:nowrap;
}
.logo:hover{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:18px}
.header-phone{
  font-size:14px;color:var(--text-2);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.header-phone:hover{color:var(--brand);border-bottom-color:var(--brand-4)}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:8px;
  align-items:center;justify-content:center;
  flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:20px;height:1.5px;background:var(--text);border-radius:2px;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.nav-toggle:hover i{background:var(--brand)}
body.nav-open .nav-toggle i:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
body.nav-open .nav-toggle i:nth-child(2){opacity:0}
body.nav-open .nav-toggle i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-xs{height:34px;padding:0 16px;font-size:13px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#1B423C;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm)}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:rgba(35,82,75,.06);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm)}
.btn-accent:hover{background:#D25B2E;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-block{width:100%}

/* 面包屑 */
.crumbs{background:#fff;border-bottom:1px solid var(--border)}
.crumbs-inner{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  height:54px;font-size:13px;color:var(--text-3);
}
.crumbs-inner a{color:var(--text-2)}
.crumbs-inner a:hover{color:var(--brand)}
.crumb-sep{color:#C9C6BE}
.crumb-current{
  max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--text);font-weight:500;
}

/* 文章头部 */
.article-head{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:56px 0 40px;
}
.article-head-inner{max-width:var(--article-w);margin:0 auto;padding:0 40px}
.article-tag{
  display:inline-block;
  padding:5px 13px;
  border-radius:999px;
  background:var(--brand-4);
  color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.article-head h1{
  font-family:var(--serif);
  font-size:44px;line-height:1.3;font-weight:600;
  margin:20px 0 0;
  color:var(--text);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 18px;
  margin-top:22px;padding-top:20px;
  border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--brand-3)}

/* 正文 */
.article-wrap{padding:56px 0 0}
.article-body{
  max-width:var(--article-w);
  margin:0 auto;
  padding:0 40px;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-family:var(--serif);
  font-size:29px;line-height:1.4;font-weight:600;
  margin:2em 0 .6em;
  padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:4px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{
  font-size:22px;line-height:1.45;font-weight:600;
  margin:1.8em 0 .6em;
  padding-top:.55em;
  border-top:1px solid var(--border);
}
.article-body h4{font-size:18px;line-height:1.5;font-weight:600;margin:1.5em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--brand-3)}
.article-body a{
  color:var(--brand);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--accent)}
.article-body strong{font-weight:600}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--brand-4);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--text-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;
  border-radius:var(--radius-img);
  margin:1.4em 0 .5em;
  box-shadow:var(--shadow-sm);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{
  font-size:13px;color:var(--text-3);text-align:center;margin-top:6px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-img);
  overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;
  border-bottom:1px solid var(--border);
  text-align:left;
  vertical-align:top;
}
.article-body th{background:#F6F5F1;font-weight:600;color:var(--text-2);font-size:14px}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:#F2F1EC;
  padding:2px 6px;
  border-radius:6px;
  font-size:15px;
}
.article-body pre{
  background:var(--dark);
  color:#E8F0EE;
  padding:18px 20px;
  border-radius:var(--radius-img);
  overflow-x:auto;
  font-size:15px;
  line-height:1.7;
  margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2.2em 0}

/* 空态 */
.article-empty{
  max-width:var(--article-w);
  margin:0 auto;
  padding:48px 40px 64px;
  text-align:center;
}
.article-empty h2{font-family:var(--serif);font-size:28px;font-weight:600;margin-bottom:14px}
.article-empty p{color:var(--text-2);margin-bottom:26px;font-size:16px}

/* 标签与翻页 */
.article-foot{
  max-width:var(--article-w);
  margin:0 auto;
  padding:0 40px 64px;
}
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:26px 0;
  border-top:1px solid var(--border);
}
.tag{
  display:inline-block;
  padding:6px 14px;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:#fff;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{border-color:rgba(35,82,75,.35);color:var(--brand);background:var(--brand-4)}
.prevnext{
  display:grid;grid-template-columns:1fr 1fr;gap:20px;
  margin-top:12px;
}
.pn-card{
  display:block;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px 22px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.pn-card:hover{border-color:rgba(35,82,75,.35);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.pn-label{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.pn-title{
  display:block;
  margin-top:8px;
  font-size:17px;font-weight:600;color:var(--text);
  line-height:1.5;
}
.pn-card:hover .pn-title{color:var(--brand)}
.pn-desc{display:block;margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7}
.back-line{margin-top:26px}

/* 相关推荐 */
.related{background:#fff;border-top:1px solid var(--border);padding:72px 0}
.section-head{margin-bottom:36px}
.section-eyebrow{
  font-size:12px;letter-spacing:.14em;color:var(--brand-3);text-transform:uppercase;
}
.section-head h2{
  font-family:var(--serif);
  font-size:32px;line-height:1.35;font-weight:600;margin-top:10px;
}
.section-head p{margin-top:10px;color:var(--text-2);font-size:15px}
.related-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:26px;
}
.related-side{display:grid;gap:26px}
.card{
  display:block;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease);
}
.card:hover{border-color:rgba(35,82,75,.35);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.card-media{position:relative;overflow:hidden;background:var(--brand-4)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 24px 24px}
.card-body h3{font-size:20px;line-height:1.5;font-weight:600}
.card-body p{margin-top:10px;font-size:14.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:16px;font-size:13px;color:var(--text-3);display:flex;gap:14px;align-items:center}
.card-mini{display:grid;grid-template-columns:112px 1fr;gap:16px;align-items:center;padding:16px}
.card-mini .card-media{border-radius:var(--radius-img)}
.card-mini .card-media img{aspect-ratio:4/3}
.card-mini h3{font-size:16.5px;line-height:1.5;font-weight:600}
.card-mini p{margin-top:6px;font-size:13.5px;color:var(--text-3)}

/* 咨询条 */
.consult{
  background:var(--dark);
  color:#E8F0EE;
  padding:64px 0;
  margin-top:0;
}
.consult-grid{
  display:grid;grid-template-columns:1fr 1.05fr;gap:52px;align-items:center;
}
.consult h2{
  font-family:var(--serif);
  font-size:30px;line-height:1.4;font-weight:600;color:#fff;
}
.consult p{margin-top:14px;color:rgba(232,240,238,.78);font-size:15px}
.consult-points{margin-top:22px;display:grid;gap:10px}
.consult-points li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14.5px;color:rgba(232,240,238,.86);
}
.consult-points li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-2);
  margin-top:9px;flex:0 0 auto;
}
.mini-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);
  padding:26px;
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:rgba(232,240,238,.72);margin-bottom:8px}
.field .req{color:var(--accent-2)}
.field input{
  width:100%;height:46px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--input-border);
  border-radius:var(--radius-btn);
  color:var(--text);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field input::placeholder{color:#A7ABA9}
.field input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(35,82,75,.12);
}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(179,55,44,.12)}
.field-msg{display:none;margin-top:7px;font-size:12.5px;color:#F0A79A}
.field.has-error .field-msg{display:block}
.form-note{margin-top:12px;font-size:12.5px;color:rgba(232,240,238,.6)}
.form-alert{
  display:none;
  margin-bottom:16px;
  padding:11px 14px;
  border-radius:var(--radius-btn);
  font-size:13.5px;
}
.form-alert.is-ok{display:block;background:rgba(47,122,95,.22);border:1px solid rgba(47,122,95,.5);color:#BFE6D5}
.form-alert.is-bad{display:block;background:rgba(179,55,44,.2);border:1px solid rgba(179,55,44,.5);color:#F3BDB4}

/* 页脚 */
.site-footer{
  background:#F4F2ED;
  border-top:1px solid var(--border);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:40px;
}
.footer-brand .logo{display:inline-block;margin-bottom:14px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:var(--text-2)}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(23,48,44,.42);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:65;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 28px}
  .article-head h1{font-size:38px}
  .main-nav{gap:20px}
}
@media (max-width:991px){
  .container{padding:0 28px}
  .main-nav{
    position:fixed;top:0;right:0;
    width:82%;max-width:340px;height:100vh;
    margin:0;padding:96px 26px 40px;
    background:#fff;
    flex-direction:column;align-items:flex-start;gap:6px;
    transform:translateX(100%);
    visibility:hidden;
    box-shadow:var(--shadow-lg);
    z-index:70;
    transition:transform .3s var(--ease),visibility .3s var(--ease);
    overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0);visibility:visible}
  .main-nav .nav-link{width:100%;padding:13px 0;font-size:16px;border-bottom:1px solid var(--border)}
  .main-nav .nav-link.is-active::after{display:none}
  .main-nav .nav-link.is-active{color:var(--brand)}
  .nav-toggle{display:flex}
  .header-phone{display:none}
  .article-head{padding:40px 0 32px}
  .article-head-inner{padding:0 28px}
  .article-head h1{font-size:33px}
  .article-body{padding:0 28px;font-size:16.5px}
  .article-foot{padding:0 28px 52px}
  .related{padding:56px 0}
  .related-grid{grid-template-columns:1fr}
  .related-side{grid-template-columns:1fr}
  .consult-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .announce-inner{height:34px;font-size:12px}
  .announce-inner a{display:none}
  .article-head-inner{padding:0 18px}
  .article-head h1{font-size:30px}
  .article-body{padding:0 18px;font-size:17px;line-height:1.9}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:20px}
  .article-foot{padding:0 18px 44px}
  .article-wrap{padding:36px 0 0}
  .prevnext{grid-template-columns:1fr}
  .card-mini{grid-template-columns:90px 1fr;padding:14px}
  .btn{width:100%}
  .btn-inline{width:auto}
  .header-actions .btn{width:auto}
  .consult{padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:10px}
}
@media (max-width:480px){
  .announce{display:none}
  .article-head h1{font-size:27px}
  .article-head{padding:32px 0 26px}
  .article-meta{font-size:12.5px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand:#23524B;
  --brand-deep:#1B413B;
  --brand-mid:#3E6F66;
  --brand-soft:#6E9A92;
  --brand-tint:#DCE8E5;
  --accent:#E4693A;
  --accent-soft:#F3A176;
  --accent-tint:#FDEEE6;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --dark:#17302C;
  --text:#16181A;
  --text-2:#5A6060;
  --text-3:#8C9291;
  --border:#E7E5DF;
  --border-strong:#DDD9D2;
  --ok:#2F7A5F;
  --warn:#C4552F;
  --err:#B3372C;
  --info:#4A6E8A;

  --radius-card:14px;
  --radius-img:10px;
  --radius-input:10px;
  --radius-pill:999px;

  --sh-sm:0 1px 2px rgba(22,24,26,.05);
  --sh-md:0 6px 20px rgba(22,24,26,.07);
  --sh-lg:0 18px 40px rgba(22,24,26,.10);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-ui:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;

  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms var(--ease);

  --header-h:72px;
  --header-h-shrink:60px;
  --container:1200px;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-ui);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--accent);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding-left:1.15em;}
h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;color:var(--text);}
h1{font-size:clamp(30px,3.6vw,50px);line-height:1.28;font-weight:700;}
h2{font-size:clamp(24px,2.4vw,33px);line-height:1.35;}
h3{font-size:clamp(19px,1.7vw,23px);line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{color:var(--text-2);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--brand-tint);color:var(--brand-deep);}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 40px;
}

/* ============ 通用排版工具 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand-mid);
  text-transform:none;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:var(--brand-soft);display:inline-block;
}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head h2{margin:14px 0 14px;}
.section-head p{font-size:16px;}
.divider{height:1px;background:var(--border);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn:active{transform:translateY(0);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-xs{height:34px;padding:0 16px;font-size:13px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(35,82,75,.06);color:var(--brand-deep);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;position:relative;}
.btn-accent:hover{background:#cf5a2d;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-light{background:#fff;color:var(--brand);border-color:rgba(255,255,255,.6);}
.btn-light:hover{background:var(--accent-tint);color:var(--brand-deep);transform:translateY(-1px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--t);
}
.site-header.is-shrink{box-shadow:var(--sh-sm);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  height:var(--header-h);
  transition:height var(--t);
}
.is-shrink .header-inner{height:var(--header-h-shrink);}
.logo{
  font-family:var(--font-serif);
  font-size:21px;font-weight:600;letter-spacing:.01em;
  color:var(--brand);white-space:nowrap;
}
.logo:hover{color:var(--brand-deep);}
.main-nav{display:flex;align-items:center;gap:30px;}
.nav-link{
  position:relative;
  font-size:15px;color:var(--text-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:20px;}
.header-phone{
  font-size:14px;color:var(--text-2);letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.header-phone:hover{color:var(--accent);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border:1px solid var(--border);border-radius:10px;
  background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:1.5px;background:var(--text);transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}
.nav-scrim{
  position:fixed;inset:0;background:rgba(23,48,44,.38);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
  z-index:55;
}
body.nav-open .nav-scrim{opacity:1;visibility:visible;}

/* ============ 内页横幅 ============ */
.page-banner{
  position:relative;
  min-height:400px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-radius:0 0 var(--radius-card) var(--radius-card);
  overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,48,44,.88) 0%,rgba(23,48,44,.62) 55%,rgba(23,48,44,.34) 100%);
}
.banner-inner{position:relative;z-index:2;padding:104px 0 60px;max-width:760px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.5;}
.page-banner h1{color:#fff;}
.page-banner .banner-lead{
  color:rgba(255,255,255,.84);
  font-size:17px;max-width:640px;margin-top:18px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.tag-pill{
  display:inline-flex;align-items:center;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:13px;color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
}
.banner-figure{
  position:absolute;right:40px;bottom:0;width:340px;
  border-radius:14px 14px 0 0;overflow:hidden;
  box-shadow:var(--sh-lg);
  display:none;
}

/* ============ 数据条 ============ */
.stat-strip{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:#fff;
}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.stat-item{
  padding:32px 26px;
  border-right:1px solid var(--border);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  font-family:var(--font-serif);
  font-size:30px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px;color:var(--brand-mid);}
.stat-label{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ============ 交错图文 ============ */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
  padding:52px 0;
}
.feature-row + .feature-row{border-top:1px solid var(--border);}
.feature-row.reverse .feature-media{order:2;}
.feature-row.reverse .feature-copy{order:1;}
.feature-media{position:relative;}
.feature-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--sh-md);
}
.feature-media .media-badge{
  position:absolute;left:18px;bottom:18px;
  background:rgba(255,255,255,.94);
  border-radius:var(--radius-pill);
  padding:8px 16px;font-size:13px;color:var(--brand);
  box-shadow:var(--sh-sm);font-weight:600;
}
.feature-index{
  font-family:var(--font-serif);
  font-size:14px;color:var(--accent);letter-spacing:.14em;
  margin-bottom:12px;
}
.feature-copy h2{margin-bottom:16px;}
.feature-copy p{margin-bottom:14px;}
.mini-list{list-style:none;padding:0;margin:20px 0 0;}
.mini-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:15px;color:var(--text-2);
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:10px;height:1px;background:var(--brand-soft);
}

/* ============ 要点清单（左标右述） ============ */
.checklist{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.checklist-grid{display:grid;grid-template-columns:300px 1fr;gap:56px;}
.checklist-intro h2{margin-bottom:16px;}
.checklist-items{list-style:none;padding:0;margin:0;counter-reset:chk;}
.checklist-items li{
  display:grid;grid-template-columns:56px 1fr;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--border);
}
.checklist-items li:last-child{border-bottom:0;}
.chk-num{
  font-family:var(--font-serif);
  font-size:20px;font-weight:700;color:var(--brand-soft);
  font-variant-numeric:tabular-nums;
}
.chk-body h3{font-size:18px;margin-bottom:6px;}
.chk-body p{font-size:15px;margin:0;}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;background:transparent;border:0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
  font-family:var(--font-ui);
  transition:color var(--t);
}
.faq-q:hover{color:var(--brand);}
.faq-sign{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;background:var(--brand-mid);transition:transform var(--t),opacity var(--t);
}
.faq-sign::before{left:0;top:7.25px;width:16px;height:1.5px;}
.faq-sign::after{top:0;left:7.25px;height:16px;width:1.5px;}
.faq-item.is-open .faq-sign::after{transform:scaleY(0);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 280ms var(--ease);
}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--text-2);
  padding:0 4px 26px;max-width:820px;margin:0;
}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--dark);
  color:#fff;
  border-radius:var(--radius-card);
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,105,58,.28),transparent 65%);
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.72);max-width:560px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:#F4F2ED;
  border-top:1px solid var(--border);
  margin-top:96px;
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--border);
}
.footer-brand .logo{font-size:20px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;font-family:var(--font-ui);font-weight:600;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{font-size:14px;color:var(--text-2);margin-bottom:10px;}
.footer-col a{color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .feature-row{gap:44px;}
  .banner-figure{width:280px;}
}
@media (max-width:991px){
  .container{padding:0 28px;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:82%;max-width:340px;
    background:#fff;
    flex-direction:column;align-items:flex-start;gap:6px;
    padding:96px 28px 32px;
    transform:translateX(101%);
    transition:transform 280ms var(--ease);
    box-shadow:var(--sh-lg);
    z-index:70;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:16px;padding:14px 0;width:100%;border-bottom:1px solid var(--border);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .header-phone{display:none;}
  .nav-toggle{display:flex;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border);}
  .feature-row{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .feature-row.reverse .feature-media{order:1;}
  .feature-row.reverse .feature-copy{order:2;}
  .checklist-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 34px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-banner{min-height:340px;}
  .banner-inner{padding:80px 0 48px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .header-actions .btn{display:none;}
  .page-banner{min-height:300px;border-radius:0;}
  .banner-inner{padding:64px 0 40px;}
  .banner-lead{font-size:15px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-item{padding:22px 18px;}
  .stat-num{font-size:24px;}
  .feature-copy h2{margin-bottom:12px;}
  .checklist-items li{grid-template-columns:40px 1fr;gap:14px;padding:18px 0;}
  .cta-band{padding:32px 22px;border-radius:12px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1 / -1;}
  .site-footer{margin-top:56px;padding:48px 0 22px;}
  .faq-q{font-size:16px;padding:20px 2px;}
}
@media (max-width:480px){
  h1{font-size:29px;}
  .banner-tags{display:none;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#23524B;
  --brand-2:#3E6F66;
  --brand-3:#6E9A92;
  --brand-4:#DCE8E5;
  --accent:#E4693A;
  --accent-2:#F3A176;
  --accent-4:#FDEEE6;
  --bg:#FBFAF7;
  --surface:#FFFFFF;
  --dark:#17302C;
  --text:#16181A;
  --muted:#5A6060;
  --weak:#8C9291;
  --line:#E7E5DF;
  --line-2:#DDD9D2;
  --ok:#2F7A5F;
  --warn:#C4552F;
  --err:#B3372C;
  --info:#4A6E8A;
  --r-card:14px;
  --r-img:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,24,26,.05);
  --sh-md:0 6px 20px rgba(22,24,26,.07);
  --sh-lg:0 18px 40px rgba(22,24,26,.10);
  --ease:cubic-bezier(.2,.7,.3,1);
  --header-h:72px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:600;color:var(--text);letter-spacing:0;}
h1{font-size:clamp(30px,4vw,50px);line-height:1.28;font-weight:700;}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
h3{font-size:clamp(19px,2vw,23px);line-height:1.45;}
h4{font-size:18px;line-height:1.5;font-family:var(--font-sans);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.3em;}
li{margin:.4em 0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
hr{border:0;border-top:1px solid var(--line);margin:0;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器与版块 ============ */
.container{max-width:1200px;margin:0 auto;padding:0 40px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--brand-3);text-transform:uppercase;margin-bottom:14px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.divider{height:1px;background:var(--line);border:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:10px;
  font-size:16px;font-weight:600;text-decoration:none;
  border:1px solid transparent;
  transition:transform 200ms var(--ease),background-color 200ms var(--ease),color 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:15px;}
.btn-xs{height:34px;padding:0 14px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:#1b423c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:rgba(35,82,75,.06);color:var(--brand);transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#fff;position:relative;}
.btn-accent:hover{background:#cf5a2f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--brand-4);color:var(--brand);transform:translateY(-1px);}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 标签与徽章 ============ */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;line-height:1;
  background:var(--brand-4);color:var(--brand-2);font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-4);color:var(--accent);}
.badge-line{background:transparent;border:1px solid var(--line-2);color:var(--muted);font-weight:500;}
.tag{display:inline-block;padding:4px 10px;border-radius:var(--r-pill);border:1px solid var(--line-2);color:var(--muted);font-size:13px;margin:0 8px 8px 0;text-decoration:none;}
.tag:hover{border-color:var(--brand-3);color:var(--brand);}

/* ============ 顶部公告条 ============ */
.topbar{
  background:var(--dark);color:#DCE8E5;font-size:13px;
  height:36px;display:flex;align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar a{color:#fff;text-decoration:none;border-bottom:1px solid rgba(255,255,255,.45);}
.topbar a:hover{color:var(--accent-2);border-color:var(--accent-2);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow 200ms var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-sm);}
.header-inner{
  display:flex;align-items:center;gap:32px;
  height:var(--header-h);
  transition:height 200ms var(--ease);
}
.site-header.is-scrolled{--header-h:60px;}
.logo{
  font-family:var(--font-serif);font-size:21px;font-weight:600;
  color:var(--brand);text-decoration:none;letter-spacing:.01em;flex-shrink:0;
}
.logo:hover{color:var(--brand-2);}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:12px;}
.nav-link{
  font-size:15px;color:var(--muted);text-decoration:none;padding:6px 0;
  position:relative;transition:color 200ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--brand);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto;}
.header-phone{font-size:14px;color:var(--muted);text-decoration:none;font-variant-numeric:tabular-nums;}
.header-phone:hover{color:var(--accent);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:8px;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle i{display:block;width:20px;height:1.5px;background:var(--text);transition:transform 200ms var(--ease),opacity 200ms var(--ease);}
.nav-toggle:hover i{background:var(--brand);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,24,26,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#fff;z-index:90;
  transform:translateX(102%);transition:transform 260ms var(--ease);
  padding:24px 22px 32px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  box-shadow:var(--sh-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:36px;height:36px;border-radius:8px;border:1px solid var(--line);font-size:18px;color:var(--muted);line-height:1;}
.drawer-close:hover{border-color:var(--brand-3);color:var(--brand);}
.drawer a.drawer-link{
  display:block;padding:14px 4px;border-bottom:1px solid var(--line);
  color:var(--text);text-decoration:none;font-size:16px;
}
.drawer a.drawer-link:hover{color:var(--brand);}
.drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .phone{font-size:15px;color:var(--muted);text-decoration:none;font-variant-numeric:tabular-nums;}

/* ============ 页头横幅 ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(23,48,44,.90) 0%,rgba(23,48,44,.72) 48%,rgba(23,48,44,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:48px 48px;
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:72px;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.75);display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:26px;}
.breadcrumb a{color:rgba(255,255,255,.85);text-decoration:none;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-hero h1{color:#fff;max-width:820px;}
.page-hero .lead{
  margin-top:20px;max-width:640px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.86);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta span{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.34);background:rgba(255,255,255,.10);
  font-size:13px;color:#fff;backdrop-filter:none;
}

/* ============ 文档区：粘性目录 + 长文 ============ */
.doc-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:56px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc-title{font-size:13px;letter-spacing:.12em;color:var(--weak);margin-bottom:16px;text-transform:uppercase;}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc li{margin:0;}
.toc a{
  display:flex;gap:12px;align-items:baseline;
  padding:11px 12px;border-left:2px solid var(--line);
  color:var(--muted);text-decoration:none;font-size:14.5px;line-height:1.6;
  transition:color 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.toc a span.idx{font-size:12px;color:var(--weak);font-variant-numeric:tabular-nums;}
.toc a:hover{color:var(--brand);background:rgba(35,82,75,.04);}
.toc a.is-current{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:rgba(35,82,75,.05);}
.toc a.is-current span.idx{color:var(--brand-3);}
.toc-note{
  margin-top:26px;padding:18px;border:1px solid var(--line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--sh-sm);
}
.toc-note p{font-size:13.5px;color:var(--muted);line-height:1.8;margin-bottom:12px;}
.toc-note .btn{width:100%;}

.doc-body{max-width:760px;}
.doc-body > section{padding-bottom:52px;border-bottom:1px solid var(--line);margin-bottom:52px;scroll-margin-top:104px;}
.doc-body > section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-body h2{margin-bottom:18px;position:relative;padding-left:16px;}
.doc-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--brand);
}
.doc-body h3{margin:34px 0 14px;}
.doc-body p{color:#2B3033;font-size:17px;line-height:1.9;}
.doc-body ul{color:#2B3033;font-size:17px;line-height:1.9;}
.doc-body strong{color:var(--brand);font-weight:600;}

/* 内嵌数据卡 */
.data-card{
  border:1px solid var(--line);background:#fff;border-radius:var(--r-card);
  box-shadow:var(--sh-sm);padding:22px 24px;margin:26px 0 30px;
}
.data-card .dc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.data-card .dc-head span{font-size:13px;color:var(--weak);letter-spacing:.06em;}
.data-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.data-item{padding:0 18px;border-left:1px solid var(--line);}
.data-item:first-child{border-left:0;padding-left:0;}
.data-item b{display:block;font-family:var(--font-serif);font-size:26px;font-weight:700;color:var(--brand);line-height:1.25;font-variant-numeric:tabular-nums;}
.data-item small{display:block;font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}

.callout{
  border-left:3px solid var(--accent-2);background:var(--accent-4);
  padding:16px 20px;border-radius:0 var(--r-img) var(--r-img) 0;margin:24px 0;
}
.callout p{font-size:15.5px;color:#5A3B2C;margin:0;}

/* ============ 四格组合区 ============ */
.quad{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.quad-cell{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:box-shadow 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.quad-cell:hover{box-shadow:var(--sh-md);transform:translateY(-2px);border-color:rgba(35,82,75,.3);}
.quad-cell .cell-pad{padding:26px 28px 28px;}
.quad-cell img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.cell-img .cell-pad{padding:22px 24px 24px;}
.cell-img h3{font-size:19px;margin-bottom:8px;}
.cell-img p{font-size:14.5px;color:var(--muted);margin:0;}
.cell-list h3,.cell-quote h3,.cell-metric h3{font-family:var(--font-sans);font-size:15px;letter-spacing:.04em;color:var(--weak);font-weight:600;margin-bottom:18px;}
.cell-list ul{list-style:none;padding:0;margin:0;}
.cell-list li{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:#2B3033;line-height:1.7;
}
.cell-list li:last-child{border-bottom:0;padding-bottom:0;}
.cell-list li::before{
  content:"";flex:0 0 8px;width:8px;height:8px;margin-top:9px;border-radius:50%;
  border:2px solid var(--brand-3);background:#fff;
}
.cell-quote{background:var(--dark);border-color:var(--dark);color:#DCE8E5;}
.cell-quote h3{color:rgba(220,232,229,.7);}
.cell-quote blockquote{margin:0;font-family:var(--font-serif);font-size:20px;line-height:1.7;color:#fff;}
.cell-quote .who{margin-top:20px;font-size:14px;color:rgba(220,232,229,.72);}
.cell-metric{display:flex;flex-direction:column;justify-content:space-between;}
.cell-metric .big{
  font-family:var(--font-serif);font-size:clamp(48px,6vw,64px);line-height:1.05;font-weight:700;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.cell-metric .big em{font-size:22px;font-style:normal;color:var(--brand-3);margin-left:6px;}
.cell-metric .desc{font-size:14.5px;color:var(--muted);margin-top:14px;}
.cell-metric .rule{height:1px;background:var(--line);margin:22px 0 16px;}
.cell-metric .mini{display:flex;justify-content:space-between;font-size:13.5px;color:var(--weak);}
.cell-metric .mini b{color:var(--brand-2);font-variant-numeric:tabular-nums;font-size:16px;font-family:var(--font-serif);}

/* ============ 咨询表单 ============ */
.consult{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.consult-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:start;}
.form-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  box-shadow:var(--sh-md);padding:34px 32px 36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:20px;}
.field label{display:block;font-size:14px;color:var(--muted);margin-bottom:8px;}
.field label .req{color:var(--err);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-input);
  padding:0 14px;height:46px;font-size:15px;color:var(--text);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease),background-color 200ms var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235A6060' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;
}
.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--brand-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(35,82,75,.12);
}
.field .hint{font-size:13px;color:var(--weak);margin-top:6px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);background:#FFF9F8;}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.check{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);line-height:1.7;}
.check input{width:16px;height:16px;margin-top:5px;flex:0 0 16px;accent-color:var(--brand);}
.form-note{
  display:none;margin-bottom:16px;padding:12px 16px;border-radius:var(--r-img);font-size:14px;line-height:1.7;
}
.form-note.is-ok{display:block;background:#EFF7F3;color:var(--ok);border:1px solid rgba(47,122,95,.28);}
.form-note.is-err{display:block;background:#FDF2F0;color:var(--err);border:1px solid rgba(179,55,44,.26);}
.form-actions{display:flex;align-items:center;gap:16px;margin-top:26px;flex-wrap:wrap;}
.form-actions .btn{min-width:180px;}

.consult-side .side-block{
  border-left:2px solid var(--brand-4);padding-left:20px;margin-bottom:30px;
}
.consult-side h3{font-family:var(--font-sans);font-size:16px;margin-bottom:8px;}
.consult-side p{font-size:14.5px;color:var(--muted);margin:0;}
.consult-side ul{list-style:none;padding:0;margin:0;}
.consult-side ul li{
  font-size:14.5px;color:var(--muted);padding:10px 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;
}
.consult-side ul li b{color:var(--brand);font-weight:600;font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color 200ms var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q .mark{
  flex:0 0 20px;width:20px;height:20px;position:relative;margin-top:6px;
}
.faq-q .mark::before,.faq-q .mark::after{
  content:"";position:absolute;background:var(--brand-3);transition:transform 240ms var(--ease),opacity 240ms var(--ease);
}
.faq-q .mark::before{left:0;right:0;top:9px;height:1.5px;}
.faq-q .mark::after{top:0;bottom:0;left:9px;width:1.5px;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q .mark::after{transform:scaleY(0);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease);}
.faq-a-inner{padding:0 44px 24px 4px;font-size:15px;line-height:1.85;color:var(--muted);}

/* ============ CTA 条 ============ */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,105,58,.22),transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-inner p{color:rgba(220,232,229,.8);font-size:15px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#F4F2ED;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo{font-size:20px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;margin:16px 0 0;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 10px;font-variant-numeric:tabular-nums;}
.footer-col a{color:var(--muted);text-decoration:none;transition:color 200ms var(--ease);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding:0 32px;}
  .doc-layout{grid-template-columns:220px minmax(0,1fr);gap:40px;}
  .header-inner{gap:22px;}
  .main-nav{gap:18px;}
  .nav-link{font-size:14.5px;}
}
@media (max-width:991px){
  .container{padding:0 28px;}
  .section{padding:64px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions{gap:14px;}
  .header-phone{display:none;}
  .doc-layout{grid-template-columns:1fr;gap:32px;}
  .toc{position:static;}
  .toc ol{display:flex;gap:10px;overflow-x:auto;padding-bottom:8px;scrollbar-width:thin;}
  .toc li{flex:0 0 auto;}
  .toc a{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px 16px;white-space:nowrap;}
  .toc a.is-current{border-color:var(--brand);background:rgba(35,82,75,.06);}
  .toc-note{display:none;}
  .doc-body{max-width:none;}
  .consult-grid{grid-template-columns:1fr;gap:40px;}
  .quad{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero .container{padding-top:48px;padding-bottom:56px;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .doc-body p,.doc-body ul{font-size:16px;}
  .data-grid{grid-template-columns:1fr;}
  .data-item{border-left:0;border-top:1px solid var(--line);padding:14px 0 0;margin-top:14px;}
  .data-item:first-child{border-top:0;margin-top:0;padding-top:0;}
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:26px 20px 28px;}
  .form-actions{flex-direction:column;align-items:stretch;}
  .form-actions .btn{width:100%;min-width:0;}
  .btn{width:auto;}
  .cta-inner{padding:44px 0;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:480px){
  .topbar{display:none;}
  h1{font-size:29px;}
  .page-hero .lead{font-size:15.5px;}
  .hero-meta span{font-size:12px;height:28px;padding:0 11px;}
  .quad-cell .cell-pad{padding:22px 18px 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .data-item b{font-size:23px;}
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root{
  --ink:#23524B;
  --ink-2:#3E6F66;
  --ink-3:#6E9A92;
  --ink-soft:#DCE8E5;
  --accent:#E4693A;
  --accent-2:#F3A176;
  --accent-soft:#FDEEE6;
  --bg:#FBFAF7;
  --card:#FFFFFF;
  --dark:#17302C;
  --t1:#16181A;
  --t2:#5A6060;
  --t3:#8C9291;
  --line:#E7E5DF;
  --line-2:#DDD9D2;
  --ok:#2F7A5F;
  --warn:#C4552F;
  --err:#B3372C;
  --info:#4A6E8A;

  --r-card:14px;
  --r-img:10px;
  --r-input:10px;
  --r-btn:10px;
  --r-pill:999px;

  --sh-sm:0 1px 2px rgba(22,24,26,.05);
  --sh-md:0 6px 20px rgba(22,24,26,.07);
  --sh-lg:0 18px 40px rgba(22,24,26,.10);

  --ease:cubic-bezier(.2,.7,.3,1);
  --dur:200ms;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;

  --gap-desktop:24px;
  --gap-mobile:16px;
  --sec-desktop:104px;
  --sec-tablet:64px;
  --sec-mobile:48px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--ink);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--accent);}
a.text-link{border-bottom:1px solid currentColor;text-underline-offset:3px;}
h1,h2,h3,h4{font-family:var(--font-serif);margin:0;color:var(--t1);font-weight:600;letter-spacing:0;}
h1{font-size:48px;line-height:1.28;font-weight:700;}
h2{font-size:32px;line-height:1.35;}
h3{font-size:23px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.2em;padding-left:1.2em;}
li{margin-bottom:.5em;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

/* ===== 容器与板块 ===== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}
.container-narrow{max-width:860px;}
.section{padding:var(--sec-desktop) 0;}
.section-sm{padding:64px 0;}
.section-dark{background:var(--dark);color:#EFEDE8;}
.section-dark h2,.section-dark h3,.section-dark h4{color:#FFFFFF;}
.section-dark p{color:rgba(239,237,232,.78);}
.section-tint{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.section-head{max-width:720px;margin-bottom:56px;}
.section-head h2{margin-bottom:.6em;}
.section-head p{color:var(--t2);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--ink-2);
  background:var(--ink-soft);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:18px;
}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ===== 顶部公告条 ===== */
.topbar{
  background:var(--dark);
  color:rgba(239,237,232,.85);
  font-size:13.5px;
  line-height:1;
}
.topbar .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:36px;
}
.topbar-left{display:flex;align-items:center;gap:10px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.topbar a{color:#FFFFFF;border-bottom:1px solid rgba(255,255,255,.4);}
.topbar a:hover{color:var(--accent-2);border-color:var(--accent-2);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:32px;
  height:72px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.logo{
  font-family:var(--font-serif);
  font-size:21px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--ink);}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t2);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--ink);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:8px;}
.header-phone{font-size:14.5px;color:var(--t2);white-space:nowrap;}
.header-phone:hover{color:var(--ink);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:500;
  line-height:1;
  white-space:nowrap;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary{background:var(--ink);color:#FFFFFF;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--ink-2);color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:rgba(35,82,75,.06);color:var(--ink);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--accent);color:#FFFFFF;position:relative;}
.btn-accent:hover{background:#D25A2D;color:#FFFFFF;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#FFFFFF;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#FFFFFF;}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;}
.btn-xs{height:34px;padding:0 16px;font-size:13.5px;}
.btn-block{display:flex;width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ===== 标签 / 徽章 ===== */
.tag{
  display:inline-block;
  font-size:12.5px;
  line-height:1;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:var(--ink-soft);
  color:var(--ink);
  letter-spacing:.02em;
}
.tag-accent{background:var(--accent-soft);color:var(--warn);}
.tag-outline{background:transparent;border:1px solid var(--line-2);color:var(--t2);}
.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;vertical-align:middle;}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:#FFFFFF;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(23,48,44,.94) 0%,rgba(23,48,44,.78) 46%,rgba(23,48,44,.42) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;
  align-items:end;
  padding:104px 0 72px;
}
.hero-copy{max-width:680px;}
.page-hero h1{color:#FFFFFF;font-size:50px;margin:18px 0 20px;}
.page-hero .hero-sub{
  font-size:17px;
  line-height:1.8;
  color:rgba(239,237,232,.82);
  max-width:560px;
  margin-bottom:32px;
}
.page-hero .tag{background:rgba(255,255,255,.14);color:#F4F2ED;}
.hero-note{
  margin-top:20px;
  font-size:13.5px;
  color:rgba(239,237,232,.66);
}
.hero-side{
  display:flex;
  flex-direction:column;
  gap:16px;
  align-self:end;
}
.hero-price{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-card);
  padding:22px 24px;
}
.hero-price .label{font-size:13px;color:rgba(239,237,232,.72);display:block;margin-bottom:8px;}
.hero-price .value{
  font-family:var(--font-serif);
  font-size:34px;
  color:#FFFFFF;
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.hero-price .value small{font-size:14px;font-family:var(--font-sans);color:rgba(239,237,232,.7);margin-left:4px;}
.hero-price .desc{font-size:13px;color:rgba(239,237,232,.66);margin:10px 0 0;}
.hero-corner{
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-card);
  padding:16px 20px;
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:13.5px;
  color:rgba(239,237,232,.78);
}
.hero-corner b{font-family:var(--font-serif);font-size:26px;color:#FFFFFF;font-variant-numeric:tabular-nums;}
.hero-stats{
  position:relative;
  z-index:2;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.hero-stat{
  padding:26px 0;
  border-right:1px solid rgba(255,255,255,.14);
  padding-right:24px;
}
.hero-stat:last-child{border-right:0;}
.hero-stat b{
  display:block;
  font-family:var(--font-serif);
  font-size:27px;
  color:#FFFFFF;
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.hero-stat span{font-size:13.5px;color:rgba(239,237,232,.7);}

/* ===== 案例四宫格 ===== */
.case-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.case-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.case-card:hover{
  border-color:rgba(35,82,75,.3);
  box-shadow:var(--sh-md);
  transform:translateY(-2px);
}
.case-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:0;
}
.case-media img{
  width:100%;height:100%;object-fit:cover;border-radius:0;
  transition:transform 400ms var(--ease);
}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-media .tag{position:absolute;left:16px;top:16px;background:rgba(255,255,255,.92);color:var(--ink);}
.case-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:21px;}
.case-body p{color:var(--t2);font-size:15px;margin:0;}
.case-metric{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:baseline;
  gap:10px;
}
.case-metric b{
  font-family:var(--font-serif);
  font-size:28px;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.case-metric span{font-size:13.5px;color:var(--t2);}

/* ===== 流程编号条 ===== */
.flow{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.flow-step{
  padding:34px 22px 30px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;
  transition:background-color var(--dur) var(--ease);
}
.flow-step:last-child{border-right:0;}
.flow-step:hover{background:#FFFFFF;}
.flow-num{
  font-family:var(--font-serif);
  font-size:15px;
  color:var(--ink-3);
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:16px;
}
.flow-step h3{font-size:18px;margin-bottom:10px;}
.flow-step p{font-size:14px;color:var(--t2);margin:0;line-height:1.8;}
.flow-step::after{
  content:"";
  position:absolute;
  left:22px;
  bottom:0;
  width:34px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 260ms var(--ease);
}
.flow-step:hover::after{transform:scaleX(1);}

/* ===== 对比表 ===== */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--card);
  -webkit-overflow-scrolling:touch;
}
table.compare{
  width:100%;
  border-collapse:collapse;
  min-width:760px;
  font-size:15px;
}
table.compare th,
table.compare td{
  padding:18px 22px;
  text-align:left;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  font-family:var(--font-serif);
  font-size:17px;
  color:var(--t1);
  background:#FFFFFF;
  border-bottom:1px solid var(--line-2);
  white-space:nowrap;
}
table.compare tbody th{
  font-weight:500;
  color:var(--t2);
  font-size:14.5px;
  background:#FCFBF8;
  width:180px;
  white-space:nowrap;
}
table.compare tbody tr:last-child th,
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare tbody tr:hover td{background:#FCFBF8;}
.col-feature{
  background:linear-gradient(180deg,rgba(220,232,229,.5),rgba(220,232,229,.18));
  position:relative;
}
thead th.col-feature{padding-top:30px;}
.col-feature .rec{
  position:absolute;
  top:-12px;
  left:22px;
  background:var(--accent);
  color:#FFFFFF;
  font-size:12px;
  font-family:var(--font-sans);
  line-height:1;
  padding:5px 10px;
  border-radius:var(--r-pill);
}
.cell-note{display:block;font-size:13px;color:var(--t3);margin-top:4px;}

/* ===== 清单 / 数据条 ===== */
.check-list{list-style:none;padding:0;margin:0;}
.check-list li{
  position:relative;
  padding-left:28px;
  margin-bottom:16px;
  font-size:15.5px;
  color:var(--t2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:12px;height:2px;
  background:var(--ink);
}
.check-list li b{color:var(--t1);font-weight:600;display:block;margin-bottom:2px;font-size:16px;}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  padding:32px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-item b{
  display:block;
  font-family:var(--font-serif);
  font-size:30px;
  color:var(--ink);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.stat-item span{font-size:14px;color:var(--t2);}

.split{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:56px;
  align-items:center;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ===== 限时条 ===== */
.flash{
  background:var(--dark);
  color:#FFFFFF;
}
.flash-inner{
  display:flex;
  align-items:center;
  gap:28px;
  padding:26px 0;
  flex-wrap:wrap;
}
.flash-copy{flex:1 1 260px;min-width:220px;}
.flash-copy b{
  display:block;
  font-family:var(--font-serif);
  font-size:22px;
  margin-bottom:6px;
}
.flash-copy span{font-size:14px;color:rgba(239,237,232,.72);}
.countdown{display:flex;align-items:center;gap:10px;}
.count-cell{
  width:64px;
  padding:8px 0;
  text-align:center;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:4px;
}
.count-cell b{
  display:block;
  font-family:var(--font-serif);
  font-size:24px;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
}
.count-cell span{font-size:12px;color:rgba(239,237,232,.65);}
.count-sep{color:rgba(255,255,255,.5);}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  background:none;
  border:0;
  padding:24px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--t1);
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--ink);}
.faq-icon{position:relative;width:14px;height:14px;flex:0 0 14px;}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-3);
  transition:transform var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.faq-icon::before{left:0;top:6px;width:14px;height:1.5px;}
.faq-icon::after{left:6px;top:0;width:1.5px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);}
.faq-item.is-open .faq-icon::before{background:var(--accent);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 280ms var(--ease);
}
.faq-a p{
  font-size:15px;
  line-height:1.85;
  color:var(--t2);
  padding:0 44px 24px 0;
  margin:0;
}

/* ===== 表单 ===== */
.consult{
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;
  align-items:start;
}
.form-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:36px;
  box-shadow:var(--sh-sm);
}
.field{margin-bottom:20px;}
.field label{
  display:block;
  font-size:14px;
  color:var(--t2);
  margin-bottom:8px;
}
.req{color:var(--err);margin-left:2px;}
.control{
  width:100%;
  height:46px;
  padding:0 14px;
  background:#FFFFFF;
  border:1px solid var(--line-2);
  border-radius:var(--r-input);
  color:var(--t1);
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  appearance:none;
}
textarea.control{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.control:focus{
  outline:none;
  border-color:var(--ink);
  box-shadow:0 0 0 3px rgba(35,82,75,.12);
}
select.control{
  background-image:linear-gradient(45deg,transparent 50%,var(--t2) 50%),linear-gradient(135deg,var(--t2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;
  background-repeat:no-repeat;
  padding-right:42px;
}
.field.has-error .control{border-color:var(--err);box-shadow:0 0 0 3px rgba(179,55,44,.1);}
.err-msg{
  display:none;
  font-size:13px;
  color:var(--err);
  margin-top:6px;
}
.field.has-error .err-msg{display:block;}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px;}
.check-row input{width:16px;height:16px;margin-top:6px;accent-color:var(--ink);}
.check-row label{font-size:13.5px;color:var(--t2);line-height:1.7;margin:0;}
.form-note{
  display:none;
  font-size:14px;
  border-radius:var(--r-input);
  padding:11px 14px;
  margin-bottom:18px;
}
.form-note.is-ok{display:block;background:rgba(47,122,95,.1);color:var(--ok);border:1px solid rgba(47,122,95,.28);}
.form-note.is-err{display:block;background:rgba(179,55,44,.08);color:var(--err);border:1px solid rgba(179,55,44,.26);}
.consult-side{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
}
.consult-side img{aspect-ratio:4/3;object-fit:cover;margin-bottom:22px;}
.consult-side h3{margin-bottom:14px;font-size:20px;}
.consult-side ul{list-style:none;padding:0;margin:0;}
.consult-side li{
  font-size:14.5px;
  color:var(--t2);
  padding:12px 0;
  border-bottom:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  gap:16px;
}
.consult-side li:last-child{border-bottom:0;}
.consult-side li b{color:var(--t1);font-weight:600;}

/* ===== CTA 条 ===== */
.cta-band{
  background:linear-gradient(180deg,#FFFFFF,#F4F2EC);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:44px 0;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:8px;}
.cta-inner p{color:var(--t2);font-size:15px;margin:0;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--dark);
  color:rgba(239,237,232,.72);
  padding-top:72px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo{
  color:#FFFFFF;
  display:inline-block;
  margin-bottom:16px;
  font-size:20px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(239,237,232,.66);max-width:320px;margin:0;}
.footer-col h4{
  color:#FFFFFF;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:12px;font-size:14px;color:rgba(239,237,232,.66);}
.footer-col a{color:rgba(239,237,232,.72);}
.footer-col a:hover{color:var(--accent-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(239,237,232,.5);
}

/* ===== 抽屉导航 ===== */
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:0;background:transparent;
  padding:9px 6px;
  flex-direction:column;
  justify-content:space-between;
  align-items:stretch;
}
.nav-toggle i{display:block;height:1.5px;background:var(--t1);border-radius:2px;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:82%;
  max-width:340px;
  height:100%;
  background:#FFFFFF;
  z-index:90;
  transform:translateX(102%);
  transition:transform 300ms var(--ease);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:24px;
  box-shadow:var(--sh-lg);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:36px;height:36px;
  border:1px solid var(--line);
  background:#FFFFFF;
  border-radius:8px;
  font-size:20px;
  line-height:1;
  color:var(--t2);
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:15px 0;
  border-bottom:1px solid var(--line);
  font-size:16px;
  color:var(--t2);
}
.drawer-nav a.is-active{color:var(--ink);font-weight:600;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(23,24,26,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);
  z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  h1{font-size:42px;}
  .page-hero h1{font-size:42px;}
  .container{padding:0 32px;}
  .hero-inner{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .split{gap:40px;}
  .consult{gap:40px;}
}
@media (max-width:991px){
  .container{padding:0 28px;}
  .section{padding:var(--sec-tablet) 0;}
  .section-head{margin-bottom:40px;}
  .main-nav{display:none;}
  .header-phone{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{justify-content:space-between;}
  .header-actions{margin-left:auto;}
  .hero-inner{
    grid-template-columns:1fr;
    gap:32px;
    padding:72px 0 48px;
    align-items:start;
  }
  .page-hero h1{font-size:36px;}
  .hero-side{flex-direction:row;flex-wrap:wrap;}
  .hero-price,.hero-corner{flex:1 1 240px;}
  .hero-stats .container{grid-template-columns:repeat(2,1fr);}
  .hero-stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding-right:0;}
  .hero-stat:nth-child(odd){padding-right:20px;border-right:1px solid rgba(255,255,255,.14);}
  .hero-stat:nth-last-child(-n+2){border-bottom:0;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step{border-right:1px solid var(--line);}
  .flow-step:nth-child(2n){border-right:0;}
  .split{grid-template-columns:1fr;}
  .consult{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:var(--sec-mobile) 0;}
  .section-sm{padding:40px 0;}
  h1{font-size:31px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .page-hero h1{font-size:31px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .hero-inner{padding:56px 0 40px;}
  .hero-price .value{font-size:28px;}
  .hero-side{flex-direction:column;}
  .case-grid{grid-template-columns:1fr;}
  .case-body{padding:20px;}
  .flow{grid-template-columns:1fr;}
  .flow-step{border-right:0;}
  .stat-strip{grid-template-columns:1fr;gap:18px;}
  .flash-inner{gap:18px;}
  .countdown{width:100%;}
  .count-cell{width:56px;}
  .btn-row .btn{width:100%;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .form-card{padding:24px 20px;}
  .consult-side{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  table.compare th,table.compare td{padding:14px 16px;}
  table.compare tbody th{width:140px;}
}
@media (max-width:480px){
  .topbar{display:none;}
  h1{font-size:29px;}
  .page-hero h1{font-size:28px;}
  .hero-stat b{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;}
  .case-media .tag{left:12px;top:12px;}
}