/* roulang page: index */
:root{
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 1px 2px rgba(16,22,20,.04), 0 8px 20px -14px rgba(18,67,58,.24);
  --shadow-hover:0 12px 30px -16px rgba(18,67,58,.42);
  --container-pad:20px;
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:#F7F6F2;color:#101614;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:15px;line-height:1.8;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.3;letter-spacing:0}
p{margin-bottom:1em}
p:last-child{margin-bottom:0}

.num{font-family:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vnum{writing-mode:vertical-rl;letter-spacing:.18em;font-size:11px;color:#5E6B66}
.grid-bg{background-image:linear-gradient(rgba(18,67,58,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(18,67,58,.055) 1px,transparent 1px);background-size:32px 32px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.section{padding-top:64px;padding-bottom:64px}
@media(min-width:768px){
  .wrap{padding-left:24px;padding-right:24px}
  .section{padding-top:80px;padding-bottom:80px}
}
@media(min-width:1024px){
  .wrap{padding-left:32px;padding-right:32px}
  .section{padding-top:112px;padding-bottom:112px}
}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.86);backdrop-filter:blur(10px);border-bottom:1px solid #E3E6E0}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:#12433A;letter-spacing:.01em;min-height:44px}
.brand-mark{width:30px;height:30px;border-radius:9px;background:#12433A;color:#C8E64B;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;letter-spacing:0}
.nav-chips{display:flex;align-items:center;gap:8px;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:999px;padding:5px}
.chip{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:500;color:#101614;border:1px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);white-space:nowrap}
.chip:hover{background:#EDF4F1;color:#12433A}
.chip.is-active{background:#12433A;color:#FFFFFF;border-color:#12433A;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
.btn:focus-visible,.chip:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid #FF7A45;outline-offset:2px}
.btn-accent{background:#FF7A45;color:#FFFFFF}
.btn-accent:hover{background:#EE6733;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{border-color:#12433A;color:#12433A;background:transparent}
.btn-outline:hover{background:#12433A;color:#FFFFFF;transform:translateY(-2px)}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#FFFFFF;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid #E3E6E0;background:#FFFFFF;color:#12433A;align-items:center;justify-content:center;cursor:pointer}
.mobile-panel{display:none;padding-bottom:20px}
.mobile-panel .chip{width:100%;border-radius:12px;border-color:#E3E6E0;background:#FFFFFF;justify-content:flex-start;padding:0 16px}
.mobile-panel .chip.is-active{background:#12433A;color:#fff}
.mobile-panel .btn{width:100%;margin-top:12px}
@media(max-width:767px){
  .nav-chips{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel.is-open{display:block}
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:#0C312A}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,49,42,.94) 0%,rgba(12,49,42,.82) 52%,rgba(12,49,42,.66) 100%)}
.hero-inner{position:relative;padding-top:56px;padding-bottom:64px}
@media(min-width:768px){.hero-inner{padding-top:72px;padding-bottom:80px}}
@media(min-width:1024px){.hero-inner{padding-top:88px;padding-bottom:96px}}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#C8E64B;letter-spacing:.04em;border:1px solid rgba(200,230,75,.4);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.hero h1{color:#FFFFFF;font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.25}
.hero h1 .hl{color:#C8E64B}
.hero-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.8;margin-top:20px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;color:rgba(255,255,255,.68);font-size:13px}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust span::before{content:"";width:4px;height:4px;border-radius:50%;background:#C8E64B}
.hero-trust span:first-child::before{display:none}
.board-card{background:rgba(12,31,27,.72);border:1px solid rgba(200,230,75,.22);border-radius:16px;padding:24px;backdrop-filter:blur(6px)}
@media(min-width:1024px){.board-card{padding:28px}}
.board-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.board-cell{background:rgba(255,255,255,.05);border-radius:12px;padding:16px}
.board-num{font-size:clamp(28px,3.4vw,40px);font-weight:700;color:#FFFFFF;line-height:1.1}
.board-num.is-lime{color:#C8E64B}
.board-label{font-size:12px;color:rgba(255,255,255,.62);margin-top:6px}
.board-trend{display:inline-flex;align-items:center;gap:5px;font-size:12px;border-radius:999px;padding:2px 9px;margin-top:10px}
.trend-up{background:rgba(200,230,75,.16);color:#C8E64B}
.trend-down{background:rgba(255,122,69,.16);color:#FF7A45}
.board-ticks{display:flex;align-items:flex-end;gap:3px;height:26px;margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12)}
.board-ticks i{display:block;width:3px;background:#2F7C68;border-radius:2px}

/* ============ 通用板块头 ============ */
.sec-head{max-width:720px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:#12433A;background:#EDF4F1;border-radius:999px;padding:5px 13px;margin-bottom:16px}
.sec-title{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:#101614}
.sec-desc{color:#5E6B66;font-size:15px;margin-top:14px;max-width:640px}

/* ============ 指标卡 ============ */
.kpi-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(min-width:1024px){.kpi-row{grid-template-columns:repeat(4,1fr);gap:24px}}
.kpi-card{background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;padding:22px;box-shadow:var(--shadow-card);position:relative;overflow:hidden;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.kpi-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:#12433A}
.kpi-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#C9D8D3}
.kpi-num{font-size:clamp(30px,3.6vw,46px);font-weight:700;color:#12433A;line-height:1.05}
.kpi-unit{font-size:16px;font-weight:600;margin-left:3px}
.kpi-label{font-size:13px;color:#5E6B66;margin-top:10px;font-weight:600}
.kpi-note{font-size:14px;color:#5E6B66;margin-top:6px;line-height:1.7}

/* ============ 服务矩阵 ============ */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.bento{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){
  .bento{grid-template-columns:repeat(3,1fr);gap:24px}
  .bento-lead{grid-column:span 2;grid-row:span 2}
  .bento-wide{grid-column:span 3}
}
.bento-lead{display:flex;flex-direction:column;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.bento-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#2F7C68}
.bento-lead-media{aspect-ratio:16/9;overflow:hidden;background:#EDF4F1}
.bento-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.bento-lead:hover .bento-lead-media img{transform:scale(1.02)}
.bento-lead-body{padding:22px 22px 24px}
@media(min-width:1024px){.bento-lead-body{padding:26px 28px 28px}}
.bento-lead-body h3{font-size:20px;font-weight:700;margin-top:12px}
.bento-lead-body p{color:#5E6B66;font-size:14px;margin-top:10px}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:#12433A;background:#EDF4F1;border-radius:999px;padding:4px 12px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:#12433A;font-size:14px;font-weight:600;margin-top:16px}
.link-arrow i{transition:transform var(--ease)}
.bento-lead:hover .link-arrow i{transform:translateX(4px)}
.bento-small{background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;padding:22px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.bento-small:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#2F7C68}
.bento-icon{width:40px;height:40px;border-radius:11px;border:1px solid #12433A;color:#12433A;display:inline-flex;align-items:center;justify-content:center;font-size:16px}
.bento-small h3{font-size:16px;font-weight:700;margin-top:14px}
.bento-small p{color:#5E6B66;font-size:14px;margin-top:8px}
.bento-wide{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#FFF3ED;border:1px solid #F6D8C8;border-radius:16px;padding:18px 22px;color:#12433A;font-size:15px;font-weight:600;transition:background var(--ease),transform var(--ease)}
.bento-wide:hover{background:#FFE9DD;transform:translateY(-2px)}

/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr;gap:24px;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;padding:24px;box-shadow:var(--shadow-card)}
@media(min-width:1024px){.compare{grid-template-columns:1fr 1fr;gap:0;padding:28px 32px;position:relative}}
@media(min-width:1024px){.compare::after{content:"";position:absolute;left:50%;top:64px;bottom:28px;border-left:1px dashed #C9D8D3}}
.compare-col h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.compare-badge{font-size:13px;font-weight:600;border-radius:999px;padding:4px 13px}
.badge-plain{background:#F1F2EE;color:#5E6B66}
.badge-brand{background:#12433A;color:#FFFFFF}
.compare-item{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #F0F2EE;font-size:15px;line-height:1.75}
.compare-item:last-child{border-bottom:none}
.compare-col.left .compare-item{color:#5E6B66}
.compare-col.right .compare-item{color:#101614}
.mark-x{color:#B8C2BD;flex:0 0 auto;margin-top:5px}
.mark-v{color:#FF7A45;flex:0 0 auto;margin-top:5px}
@media(max-width:1023px){
  .compare-col.left{border-bottom:1px dashed #C9D8D3;padding-bottom:12px}
}

/* ============ 最新信息 ============ */
.sec-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}
.head-link{display:inline-flex;align-items:center;gap:8px;color:#12433A;font-size:14px;font-weight:600;min-height:44px}
.head-link:hover{text-decoration:underline;text-underline-offset:4px}
.cms-grid{display:grid;grid-template-columns:1fr;gap:20px;margin-top:34px}
@media(min-width:768px){.cms-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cms-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.post-card{display:flex;flex-direction:column;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease)}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#2F7C68}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:#EDF4F1}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.02)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.post-chip{font-size:12px;font-weight:600;color:#12433A;background:#EDF4F1;border-radius:999px;padding:4px 12px}
.post-time{font-size:13px;color:#5E6B66}
.post-title{font-size:17px;font-weight:700;line-height:1.45}
.post-title a:hover{color:#12433A}
.post-sum{color:#5E6B66;font-size:14px;margin-top:10px}
.post-more{display:inline-flex;align-items:center;gap:8px;color:#12433A;font-size:14px;font-weight:600;margin-top:16px;min-height:44px}
.post-more:hover{text-decoration:underline;text-underline-offset:4px}
@media(min-width:1024px){
  .post-card.is-lead{grid-column:span 3;flex-direction:row}
  .post-card.is-lead .post-thumb{flex:0 0 52%;aspect-ratio:auto;min-height:300px}
  .post-card.is-lead .post-body{padding:30px 32px;justify-content:center}
  .post-card.is-lead .post-title{font-size:24px}
  .post-card.is-lead .post-sum{font-size:15px;-webkit-line-clamp:3}
}
.cms-empty{grid-column:1/-1;border:1px dashed #C9D8D3;border-radius:16px;background:#FFFFFF;padding:56px 24px;text-align:center;color:#5E6B66;font-size:14px}
.cms-empty i{display:block;font-size:26px;color:#2F7C68;margin-bottom:14px}

/* ============ FAQ ============ */
.faq-list{margin-top:34px;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;overflow:hidden}
.faq-item+.faq-item{border-top:1px solid #E3E6E0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:60px;padding:16px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:#101614;cursor:pointer}
.faq-q:hover{background:#FAFBF9}
.faq-sign{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid #12433A;color:#12433A;display:inline-flex;align-items:center;justify-content:center;font-size:14px;transition:transform var(--ease),background var(--ease),color var(--ease)}
.faq-item.is-open .faq-sign{background:#12433A;color:#FFFFFF;transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 180ms ease-out}
.faq-a>div{overflow:hidden}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a p{color:#5E6B66;font-size:15px;line-height:1.8;padding:0 22px 20px}
@media(min-width:768px){.faq-a p{padding-right:88px}}

/* ============ 转化表单 ============ */
.contact{background:#FFF3ED;border-radius:20px;border:1px solid #F6D8C8;padding:28px}
@media(min-width:768px){.contact{padding:40px}}
@media(min-width:1024px){.contact{padding:52px}}
.contact-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:1024px){.contact-grid{grid-template-columns:5fr 7fr;gap:48px}}
.contact h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#101614}
.contact-lead{color:#5E6B66;font-size:15px;margin-top:16px}
.trust-list{margin-top:24px;display:grid;gap:12px}
.trust-list li{display:flex;gap:10px;font-size:14px;color:#101614}
.trust-list i{color:#FF7A45;margin-top:5px}
.form-card{background:#FFFFFF;border:1px solid #E3E6E0;border-radius:16px;padding:24px;box-shadow:var(--shadow-card)}
@media(min-width:768px){.form-card{padding:28px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:#5E6B66;margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{width:100%;min-height:46px;background:#FFFFFF;border:1px solid #E3E6E0;border-radius:var(--radius-input);padding:11px 14px;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease)}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:#12433A;box-shadow:0 0 0 3px rgba(47,124,104,.18);outline:none}
.form-note{font-size:12px;color:#5E6B66;margin-top:12px}
.form-tip{display:none;margin-top:14px;font-size:14px;color:#12433A;background:#EDF4F1;border:1px solid #CFE3DC;border-radius:10px;padding:12px 14px}
.form-tip.is-show{display:block}
.field-row{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:640px){.field-row{grid-template-columns:1fr 1fr;gap:16px}}

/* ============ 页脚 ============ */
.site-footer{background:#0C312A;color:rgba(255,255,255,.72);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:0}
  .footer-col{padding:0 28px}
  .footer-col:first-child{padding-left:0}
  .footer-col+.footer-col{border-left:1px solid rgba(255,255,255,.12)}
  .footer-col:last-child{padding-right:0}
}
.footer-brand{font-size:19px;font-weight:800;color:#FFFFFF;display:inline-flex;align-items:center;gap:10px}
.footer-brand .brand-mark{background:#C8E64B;color:#0C312A}
.footer-desc{font-size:14px;margin-top:16px;color:rgba(255,255,255,.66);max-width:300px}
.footer-title{font-size:14px;font-weight:700;color:#FFFFFF;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(255,255,255,.72);transition:color var(--ease)}
.footer-col a:hover{color:#FFFFFF;text-decoration:underline;text-underline-offset:4px}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.55)}
.beian-slot{min-height:0}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,.kpi-card:hover,.post-card:hover,.bento-small:hover,.bento-lead:hover,.bento-wide:hover{transform:none!important}
}

/* roulang page: category1 */
:root{
  --primary:#12433A;
  --primary-deep:#0C312A;
  --primary-soft:#2F7C68;
  --accent:#FF7A45;
  --accent-soft:#FFF3ED;
  --lime:#C8E64B;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101614;
  --muted:#5E6B66;
  --line:#E3E6E0;
  --dark-surface:#0C1F1B;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,22,20,.05), 0 10px 26px -20px rgba(16,22,20,.45);
  --shadow-hover:0 2px 6px rgba(18,67,58,.10), 0 20px 38px -22px rgba(18,67,58,.50);
  --container-pad:20px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  font-family:'PingFang SC','Microsoft YaHei',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:0;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
button{background:none;border:0;cursor:pointer;padding:0}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--container-pad)}
@media(min-width:768px){:root{--container-pad:24px}}
@media(min-width:1024px){:root{--container-pad:32px}}

.font-num{
  font-family:'Barlow','DIN Alternate',ui-monospace,'SFMono-Regular',Menlo,monospace;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.line-clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.grid-bg{
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--primary);flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:12.5px;font-weight:700;letter-spacing:.5px;
}
.brand-text{white-space:nowrap}
.nav-chips{display:none;gap:8px;margin-left:8px}
.chip{
  display:inline-flex;align-items:center;justify-content:center;
  padding:8px 16px;min-height:44px;border-radius:999px;
  border:1px solid var(--line);background:transparent;color:var(--ink);
  font-size:14px;line-height:1;transition:all .2s ease-out;
}
.chip:hover{background:#EBF1EE;border-color:var(--primary-soft);color:var(--primary)}
.chip.is-active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}
.chip.is-active:hover{background:var(--primary-deep);color:#fff}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:grid;place-items:center;gap:4px;width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-nav{border-top:1px solid var(--line);background:var(--paper)}
.mobile-nav-inner{display:flex;flex-direction:column;gap:10px;padding-top:16px;padding-bottom:20px}
.mobile-nav-inner .chip{width:100%}
.mobile-nav-inner .btn{width:100%}
@media(min-width:768px){
  .nav-chips{display:flex}
  .nav-toggle{display:none}
  .mobile-nav{display:none}
}
@media(max-width:767px){
  .header-actions .btn-accent{display:none}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px -16px rgba(255,122,69,.9)}
.btn-accent:hover{background:#F0692F;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(255,122,69,.85)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary-soft)}
.btn-outline:hover{background:rgba(47,124,104,.08);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#F2F6F4;transform:translateY(-2px)}
.btn-sm{min-height:44px;padding:10px 18px;font-size:14px}
.btn:active{transform:translateY(0)}

/* ---------- hero ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--primary-soft)}
.breadcrumb a:hover{text-decoration:underline}
.breadcrumb .sep{color:#B9C1BC}
.breadcrumb [aria-current="page"]{color:var(--muted)}

.hero{padding:40px 0 56px;background:
  radial-gradient(120% 90% at 100% 0%,rgba(47,124,104,.10),transparent 60%),
  var(--paper);}
.hero-grid{display:grid;gap:36px;grid-template-columns:1fr}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);background:#E9F1EE;
  border:1px solid #D5E4DE;border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:999px;background:var(--accent)}
.hero h1{font-size:clamp(30px,4.2vw,48px);font-weight:800;color:var(--primary);max-width:16em}
.lede{margin-top:18px;font-size:17px;line-height:1.85;color:var(--muted);max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;font-size:13px;color:var(--muted)}
.trust-row li{display:inline-flex;align-items:center;gap:8px}
.trust-row li::before{content:"";width:5px;height:5px;border-radius:999px;background:var(--primary-soft)}

.hero-panel{
  background:var(--primary-deep);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
}
.panel-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.panel-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.panel-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,49,42,.35) 0%,rgba(12,49,42,.82) 100%);
}
.hero-panel:hover .panel-media img{transform:scale(1.02)}
.panel-body{padding:24px}
.panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}
.panel-cell{display:grid;gap:6px}
.panel-num{font-size:34px;font-weight:700;color:#fff;line-height:1.1}
.panel-num .unit{font-size:14px;font-weight:500;color:rgba(255,255,255,.72);margin-left:3px}
.panel-num.is-lime{color:var(--lime)}
.panel-label{font-size:13px;color:rgba(255,255,255,.68)}
.scale-line{margin:22px 0 0;height:6px;border-top:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.12)}
.panel-note{margin-top:16px;font-size:13px;line-height:1.75;color:rgba(255,255,255,.66)}
@media(min-width:1024px){
  .hero{padding:52px 0 76px}
  .hero-grid{grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
}

/* ---------- layout with rail ---------- */
.layout-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:8px 0 72px}
.rail{display:none}
.rail-inner{position:sticky;top:104px;border-left:1px solid var(--line);padding-left:0}
.rail-title{font-size:13px;color:var(--muted);padding:0 0 12px 14px;letter-spacing:.04em}
.rail-link{
  display:block;padding:10px 0 10px 14px;margin-left:-1px;
  border-left:2px solid transparent;font-size:14px;color:var(--muted);
  transition:color .2s ease-out,border-color .2s ease-out;
}
.rail-link:hover{color:var(--primary);border-left-color:var(--primary-soft)}
.rail-link.is-current{color:var(--primary);font-weight:600;border-left-color:var(--accent)}
.rail-contact{margin-top:24px;padding:16px 14px;background:#EAF1EE;border-radius:12px;font-size:13px;color:var(--primary);line-height:1.7}
.rail-contact strong{display:block;font-size:14px;margin-bottom:4px}
@media(min-width:1024px){
  .layout-grid{grid-template-columns:216px minmax(0,1fr);gap:56px;padding:16px 0 96px}
  .rail{display:block}
}

.main-col{min-width:0}
.block{padding:0 0 48px}
.block + .block{border-top:1px solid var(--line);padding-top:48px}
.block:last-child{padding-bottom:0}
@media(min-width:1024px){
  .block{padding-bottom:64px}
  .block + .block{padding-top:64px}
}
.block-head{max-width:52em}
.block-head h2{
  font-size:clamp(22px,2.4vw,28px);color:var(--primary);
  padding-left:14px;border-left:4px solid var(--primary);
}
.block-head .sub{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- capability list ---------- */
.cap-list{display:grid;gap:16px;margin-top:28px}
.cap-item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.cap-item:hover{transform:translateY(-2px);border-color:var(--primary-soft);box-shadow:var(--shadow-hover)}
.cap-num{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  border:1px solid #D5E4DE;background:#F1F6F4;color:var(--primary);
  font-family:'Barlow','DIN Alternate',ui-monospace,monospace;font-weight:600;font-size:15px;
}
.cap-item h3{font-size:16.5px;color:var(--ink)}
.cap-item p{margin-top:6px;font-size:14.5px;color:var(--muted);line-height:1.8}

/* ---------- result cards ---------- */
.result-grid{display:grid;gap:16px;grid-template-columns:1fr;margin-top:28px}
@media(min-width:640px){.result-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
.result-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;border-top:3px solid var(--primary-soft);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.result-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.result-card .num{font-size:36px;font-weight:700;color:var(--primary);line-height:1.1}
.result-card .num span{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px}
.result-card .label{margin-top:10px;font-size:14px;font-weight:600;color:var(--ink)}
.result-card .desc{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- process ---------- */
.process-item{
  display:grid;gap:20px;grid-template-columns:1fr;align-items:center;
  margin-top:28px;padding-top:28px;border-top:1px dashed var(--line);
}
.process-item:first-of-type{border-top:0;padding-top:0}
.process-media{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/10;background:#EAF1EE}
.process-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out}
.process-media:hover img{transform:scale(1.02)}
.process-body h3{font-size:18px;color:var(--primary)}
.process-body p{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.85}
.plain-list{display:grid;gap:8px;margin-top:14px}
.plain-list li{display:grid;grid-template-columns:auto minmax(0,1fr);gap:10px;font-size:14.5px;color:var(--ink)}
.plain-list li::before{
  content:"";width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--primary-soft);
}
@media(min-width:900px){
  .process-item{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:36px}
  .process-item.is-reverse .process-media{order:2}
}

/* ---------- fit ---------- */
.fit-grid{display:grid;gap:14px;grid-template-columns:1fr;margin-top:28px}
.fit-item{
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px 20px;
  font-size:14.5px;line-height:1.8;color:var(--ink);
}
.fit-item .tick{
  width:22px;height:22px;border-radius:999px;background:var(--accent-soft);
  border:1px solid #FFD6C4;display:grid;place-items:center;margin-top:2px;
}
.fit-item .tick::before{content:"";width:9px;height:5px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg) translateY(-1px)}
@media(min-width:768px){.fit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- faq ---------- */
.faq-list{margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:background .2s ease-out,color .2s ease-out;
}
.faq-q:hover{background:#F3F7F5}
.faq-icon{
  position:relative;flex:0 0 auto;width:30px;height:30px;border-radius:999px;
  border:1px solid var(--primary-soft);transition:transform .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:background .18s ease-out;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary);border-color:var(--primary)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-item.is-open .faq-a{display:block}
.faq-a p{max-width:60em}

/* ---------- cta band ---------- */
.cta-band{background:var(--primary-deep);color:#fff;position:relative;overflow:hidden}
.cta-band .wrap{position:relative;z-index:1}
.cta-inner{display:grid;gap:24px;padding:56px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;max-width:20em}
.cta-inner p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.75);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-meta{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:rgba(255,255,255,.62)}
.cta-meta li::before{content:"·";margin-right:8px;color:var(--lime)}
@media(min-width:1024px){
  .cta-inner{grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);align-items:center;gap:48px;padding:72px 0}
  .cta-actions{justify-content:flex-end}
}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.8)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 8px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.footer-brand .brand-mark{background:var(--primary-soft)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:30em}
.footer-col ul{display:grid;gap:10px;font-size:14px}
.footer-col li{color:rgba(255,255,255,.72)}
.footer-col a{color:rgba(255,255,255,.72);transition:color .2s ease-out}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-title{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-bottom{
  margin-top:40px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}
.beian-slot{min-height:1em}
@media(min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:64px}
}
@media(min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
  .footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.14);padding-left:32px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .cap-item:hover,.result-card:hover,.btn:hover{transform:none!important}
}

/* roulang page: article */
:root {
  --primary: #12433A;
  --primary-deep: #0C312A;
  --primary-soft: #2F7C68;
  --primary-tint: #E8F1EE;
  --accent: #FF7A45;
  --accent-deep: #F26A34;
  --accent-soft: #FFF3ED;
  --lime: #C8E64B;
  --paper: #F7F6F2;
  --surface: #FFFFFF;
  --ink: #101614;
  --muted: #5E6B66;
  --line: #E3E6E0;
  --dark-surface: #0C1F1B;
  --radius-card: 16px;
  --radius-img: 12px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 1px 2px rgba(16, 22, 20, .05), 0 6px 18px rgba(16, 22, 20, .05);
  --shadow-hover: 0 10px 26px rgba(18, 67, 58, .16);
  --container-pad: 20px;
  --mono: 'Barlow', 'DIN Alternate', 'SFMono-Regular', ui-monospace, monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; line-height: 1.3; font-weight: 700; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.num { font-family: var(--mono); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(247, 246, 242, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -.01em;
  color: var(--primary-deep);
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
}
.nav-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font-size: 14.5px;
  white-space: nowrap;
  transition: background .2s ease-out, border-color .2s ease-out, color .2s ease-out, transform .2s ease-out;
}
.chip:hover { background: var(--primary-tint); border-color: var(--primary-soft); }
.chip.is-active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  font-weight: 600;
}
.chip-soft {
  background: var(--primary-tint);
  border-color: transparent;
  color: var(--primary);
  font-weight: 600;
}
.chip-sm { height: 32px; padding: 0 13px; font-size: 13px; }

.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--surface);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--primary-deep);
  position: relative;
}
.menu-toggle span::before,
.menu-toggle span::after {
  content: '';
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  background: var(--primary-deep);
}
.menu-toggle span::before { top: -6px; }
.menu-toggle span::after { top: 6px; }

.mobile-panel {
  display: none;
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 14px 0 20px;
}
.mobile-panel.is-open { display: block; }
.mobile-panel .wrap { display: flex; flex-direction: column; gap: 10px; }
.mobile-panel .chip { justify-content: flex-start; height: 46px; width: 100%; }
.mobile-panel .btn { width: 100%; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s ease-out, color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 122, 69, .28);
}
.btn-accent:hover { background: var(--accent-deep); transform: translateY(-2px); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-ghost {
  background: var(--surface);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-ghost:hover { background: var(--primary-tint); transform: translateY(-2px); }
.btn-sm { height: 40px; min-height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }

/* ---------- 面包屑 ---------- */
.breadcrumb-bar { padding: 22px 0 0; }
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .sep { color: #BFC6C1; }
.breadcrumb .current { color: var(--muted); }

/* ---------- 文章头 ---------- */
.article-head { padding: 26px 0 40px; }
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
}
.meta-dot { color: #C3CAC5; }
.article-title {
  margin-top: 18px;
  font-size: clamp(26px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--primary-deep);
  max-width: 22ch;
}
.article-intro {
  margin-top: 16px;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 布局 ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 288px;
  gap: 40px;
  align-items: start;
  padding-bottom: 72px;
}
.entry-col { min-width: 0; }

/* ---------- 正文排版 ---------- */
.entry {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 34px 30px 38px;
  max-width: 76ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: #1B2421;
  overflow-wrap: break-word;
}
.entry > * + * { margin-top: 1em; }
.entry h2 {
  position: relative;
  margin-top: 40px;
  padding-left: 15px;
  font-size: 23px;
  line-height: 1.35;
  color: var(--primary-deep);
}
.entry h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 5px;
  bottom: 4px;
  width: 4px;
  border-radius: 2px;
  background: var(--primary);
}
.entry h3 {
  margin-top: 26px;
  font-size: 18.5px;
  color: var(--primary);
}
.entry h4 { margin-top: 20px; font-size: 16.5px; color: var(--ink); }
.entry p { margin-top: 1em; }
.entry a { color: var(--primary-soft); text-decoration: underline; text-underline-offset: 3px; }
.entry strong { font-weight: 700; color: var(--primary-deep); }
.entry blockquote {
  margin: 24px 0;
  padding: 16px 20px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--radius-img) var(--radius-img) 0;
  color: #46524C;
  font-size: 15.5px;
}
.entry blockquote p { margin: 0; }
.entry ul { margin: 14px 0; }
.entry ul li {
  position: relative;
  padding-left: 21px;
  margin-top: 8px;
}
.entry ul li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--primary-soft);
}
.entry ol { margin: 14px 0; counter-reset: entryOrder; }
.entry ol li {
  position: relative;
  padding-left: 32px;
  margin-top: 10px;
  counter-increment: entryOrder;
}
.entry ol li::before {
  content: counter(entryOrder);
  position: absolute;
  left: 0;
  top: 5px;
  width: 21px;
  height: 21px;
  border-radius: 6px;
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
}
.entry img { border-radius: var(--radius-img); margin: 22px 0 8px; }
.entry figure { margin: 22px 0; }
.entry figure img { margin: 0; }
.entry figcaption {
  margin-top: 8px;
  font-size: 13px;
  color: var(--muted);
  text-align: center;
}
.entry table {
  display: block;
  width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  margin: 22px 0;
  font-size: 14.5px;
  line-height: 1.7;
}
.entry th, .entry td {
  border: 1px solid var(--line);
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}
.entry th { background: var(--primary-tint); color: var(--primary-deep); font-weight: 600; }
.entry tbody tr:nth-child(even) { background: #FAFAF7; }
.entry pre {
  background: var(--dark-surface);
  color: #DDE7E2;
  border-radius: var(--radius-img);
  padding: 18px 20px;
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.7;
  font-family: var(--mono);
}
.entry code {
  font-family: var(--mono);
  font-size: .92em;
  background: var(--primary-tint);
  color: var(--primary-deep);
  padding: 2px 6px;
  border-radius: 5px;
}
.entry pre code { background: transparent; color: inherit; padding: 0; }
.entry hr { border: 0; border-top: 1px solid var(--line); margin: 30px 0; }

/* ---------- 空态 ---------- */
.empty-state {
  text-align: center;
  padding: 46px 20px 50px;
}
.empty-icon {
  width: 54px;
  height: 54px;
  margin: 0 auto 18px;
  border-radius: 14px;
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-soft);
  font-size: 22px;
}
.empty-title { font-size: 19px; font-weight: 700; color: var(--primary-deep); }
.empty-text { margin-top: 10px; font-size: 14.5px; color: var(--muted); }
.empty-state .btn { margin-top: 22px; }

/* ---------- 标签 ---------- */
.tag-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}
.tag-label { font-size: 13px; color: var(--muted); }

/* ---------- 侧栏 ---------- */
.side-col {
  position: sticky;
  top: 96px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.side-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px;
}
.side-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--primary-deep);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.side-links { margin-top: 6px; }
.side-links li + li { border-top: 1px solid var(--line); }
.side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 13px 0;
  font-size: 14.5px;
  color: var(--ink);
  transition: color .2s ease-out, padding-left .2s ease-out;
}
.side-links a::after { content: '→'; color: var(--primary-soft); font-size: 14px; }
.side-links a:hover { color: var(--primary); padding-left: 4px; }
.side-card-dark {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: #fff;
}
.side-card-dark .side-note {
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
  margin-bottom: 16px;
}

/* ---------- 相关推荐 ---------- */
.related { margin-top: 56px; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.section-title {
  font-size: 21px;
  color: var(--primary-deep);
}
.section-sub {
  margin-top: 6px;
  font-size: 14px;
  color: var(--muted);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}
.rec-card {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color .2s ease-out, transform .2s ease-out, box-shadow .2s ease-out;
}
.rec-card:hover { border-color: var(--primary-soft); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.rec-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--primary-tint);
}
.rec-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .2s ease-out;
}
.rec-card:hover .rec-thumb img { transform: scale(1.02); }
.rec-body { padding: 18px 20px 22px; }
.rec-cat {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 11px;
  border-radius: var(--radius-pill);
  background: var(--primary-tint);
  color: var(--primary);
  font-size: 12.5px;
  font-weight: 600;
}
.rec-title {
  margin-top: 12px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--primary-deep);
}
.rec-desc {
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.rec-card-cta {
  background: var(--primary-deep);
  border-color: var(--primary-deep);
  color: #fff;
  padding: 24px 22px;
  justify-content: space-between;
  gap: 18px;
}
.rec-card-cta .rec-title { color: #fff; margin-top: 0; }
.rec-card-cta .rec-desc { color: rgba(255, 255, 255, .82); }

.back-row { margin-top: 32px; }

/* ---------- FAQ ---------- */
.faq-section { padding: 8px 0 76px; }
.faq-list {
  max-width: 880px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.faq-item + .faq-item { border-top: 1px solid var(--line); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  min-height: 48px;
  background: transparent;
  border: 0;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  cursor: pointer;
}
.faq-q .faq-sign {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--primary-soft);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  line-height: 1;
  transition: transform .18s ease-out, background .18s ease-out, color .18s ease-out;
}
.faq-item.is-open .faq-sign {
  transform: rotate(45deg);
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.faq-a {
  display: none;
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}
.faq-item.is-open .faq-a { display: block; }

/* ---------- 底部 CTA ---------- */
.cta-band {
  background: var(--primary-deep);
  color: #fff;
  padding: 64px 0;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.cta-title { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; max-width: 22ch; }
.cta-text { margin-top: 12px; font-size: 15px; color: rgba(255, 255, 255, .82); max-width: 52ch; }
.cta-points { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 18px; font-size: 13.5px; color: rgba(255,255,255,.8); }
.cta-points span::before { content: '✓'; color: var(--lime); margin-right: 7px; font-weight: 700; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, .82);
  padding: 58px 0 26px;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer-col { min-width: 0; }
.footer-col + .footer-col { border-left: 1px solid rgba(255, 255, 255, .12); padding-left: 32px; }
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}
.footer-brand .brand-mark { background: rgba(255, 255, 255, .12); }
.footer-desc {
  margin-top: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .74);
  max-width: 34ch;
}
.footer-title {
  font-size: 14.5px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.site-footer ul li { margin-bottom: 10px; line-height: 1.7; }
.site-footer ul li a { color: rgba(255, 255, 255, .78); transition: color .2s ease-out; }
.site-footer ul li a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  margin-top: 44px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: rgba(255, 255, 255, .62);
}
.beian-slot { min-height: 18px; }

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  :root { --container-pad: 24px; }
}
@media (min-width: 1024px) {
  :root { --container-pad: 32px; }
}

@media (max-width: 1023px) {
  .layout { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .side-col { position: static; }
  .related-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-col + .footer-col { padding-left: 22px; }
}

@media (max-width: 767px) {
  .nav-chips, .header-actions .btn { display: none; }
  .menu-toggle { display: inline-flex; }
  .header-inner { min-height: 64px; }
  .article-head { padding: 20px 0 30px; }
  .entry { padding: 24px 20px 28px; font-size: 16px; }
  .entry h2 { font-size: 20.5px; margin-top: 32px; }
  .entry h3 { font-size: 17.5px; }
  .related-grid { grid-template-columns: minmax(0, 1fr); }
  .faq-q { padding: 17px 18px; font-size: 15.5px; }
  .faq-a { padding: 0 18px 18px; }
  .cta-band { padding: 48px 0; }
  .cta-actions { width: 100%; }
  .cta-actions .btn { width: 100%; }
  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .footer-col + .footer-col { border-left: 0; padding-left: 0; border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px; }
}

@media (max-width: 520px) {
  .article-title { max-width: none; }
  .meta-dot { display: none; }
  .article-meta { gap: 8px 10px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
  .btn:hover, .rec-card:hover { transform: none; }
  .rec-card:hover .rec-thumb img { transform: none; }
}

/* roulang page: category2 */
:root{
  --primary:#12433A;
  --primary-deep:#0C312A;
  --primary-soft:#2F7C68;
  --accent:#FF7A45;
  --accent-soft:#FFF3ED;
  --lime:#C8E64B;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --dark-surface:#0C1F1B;
  --ink:#101614;
  --muted:#5E6B66;
  --line:#E3E6E0;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,22,20,.05), 0 8px 24px rgba(16,22,20,.05);
  --shadow-hover:0 14px 30px rgba(18,67,58,.16);
  --container-pad:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{line-height:1.3;font-weight:700;letter-spacing:0}
p{line-height:1.8}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:var(--container-pad);
  padding-right:var(--container-pad);
}
@media (min-width:768px){:root{--container-pad:24px}}
@media (min-width:1024px){:root{--container-pad:32px}}

a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

.num{
  font-family:"Barlow","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.line-clamp-2{
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.grid-bg{
  background-image:
    linear-gradient(to right, rgba(18,67,58,.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(18,67,58,.055) 1px, transparent 1px);
  background-size:34px 34px;
}
.seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--primary-soft);
  border-radius:10px;
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  line-height:1.15;
  text-align:center;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.92);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:10px;
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:800;
  letter-spacing:.02em;
}
.brand-name{
  font-size:18px;
  font-weight:800;
  color:var(--primary-deep);
  letter-spacing:.01em;
}
.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:12px;
  flex:1 1 auto;
}
.chip{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:40px;
  padding:0 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:transparent;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.chip:hover{
  background:#E8F0EC;
  border-color:var(--primary-soft);
  color:var(--primary);
}
.chip.is-active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
  font-weight:600;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  cursor:pointer;
  transition:border-color .2s var(--ease), background-color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--primary-soft)}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--primary);
  border-radius:2px;
}
.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:14px 0 18px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .chip{
  width:100%;
  justify-content:flex-start;
  margin-bottom:8px;
  min-height:46px;
  background:#fff;
}
.mobile-panel .chip.is-active{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:background-color .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.btn-sm{min-height:42px;padding:0 18px;font-size:15px}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 16px rgba(255,122,69,.28);
}
.btn-accent:hover{background:#F26A34;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,69,.32)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(18,67,58,.07);transform:translateY(-2px)}
.btn-light{
  background:#fff;
  color:var(--primary);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:#F2F6F4;transform:translateY(-2px)}
.btn-block{width:100%}

/* ============ 顶部大图 banner ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--primary-deep);
  min-height:420px;
  display:flex;
  align-items:center;
  padding:72px 0 64px;
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.page-hero .hero-veil{
  position:absolute;
  inset:0;
  background:linear-gradient(120deg, rgba(12,49,42,.93) 0%, rgba(12,49,42,.82) 46%, rgba(12,31,27,.66) 100%);
}
.hero-content{position:relative;z-index:2;color:#fff;max-width:820px}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:18px;
}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{color:rgba(255,255,255,.4)}
.crumb .cur{color:rgba(255,255,255,.6)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(200,230,75,.14);
  border:1px solid rgba(200,230,75,.4);
  color:var(--lime);
  font-size:13px;
  font-weight:600;
  margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;
  line-height:1.28;
  color:#fff;
}
.page-hero .hero-sub{
  margin-top:18px;
  font-size:clamp(16px,1.5vw,19px);
  line-height:1.75;
  color:rgba(255,255,255,.86);
  max-width:720px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:28px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
}
.hero-points li{display:flex;align-items:center;gap:8px}
.hero-points li::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--lime);
  flex:0 0 auto;
}

/* ============ 区块通用 ============ */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:80px 0}}
@media (min-width:1024px){.section{padding:104px 0}}
.section-paper{background:var(--paper)}
.section-white{background:var(--surface)}
.section-dark{background:var(--primary-deep);color:#fff}
.section-warm{background:var(--accent-soft)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--primary-soft);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-dark .eyebrow{color:var(--lime)}
.section-head h2{
  font-size:clamp(24px,2.8vw,34px);
  font-weight:800;
  color:var(--primary-deep);
}
.section-dark .section-head h2{color:#fff}
.section-sub{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
  line-height:1.8;
}
.section-dark .section-sub{color:rgba(255,255,255,.72)}

/* ============ 双列能力卡片 ============ */
.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
@media (min-width:768px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
.cap-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .2s var(--ease), box-shadow .2s var(--ease), border-color .2s var(--ease);
}
.cap-card:hover{
  transform:translateY(-2px);
  border-color:var(--primary-soft);
  box-shadow:var(--shadow-hover);
}
.cap-media{
  position:relative;
  width:100%;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E8F0EC;
}
.cap-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s var(--ease);
}
.cap-card:hover .cap-media img{transform:scale(1.02)}
.cap-body{padding:24px 24px 26px}
.cap-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--primary-deep);
  margin-top:12px;
}
.cap-body p{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:26px;
  padding:0 12px;
  border-radius:999px;
  background:#E8F0EC;
  color:var(--primary);
  font-size:12.5px;
  font-weight:600;
}
.tag-warm{background:rgba(255,122,69,.14);color:#C24A19}
.cap-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 16px;
  margin-top:16px;
  padding-top:16px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--muted);
}
.cap-meta strong{color:var(--primary);font-weight:700}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
}
.compare-table{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
}
.compare-table thead th{
  background:#EDF3F0;
  color:var(--primary);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;
  font-size:15px;
  line-height:1.7;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.compare-table tbody tr:nth-child(even){background:#FAFBF9}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody td:first-child{
  color:var(--ink);
  font-weight:700;
  width:160px;
}
.compare-table tbody td:nth-child(3){color:var(--ink)}
.compare-table tbody td:nth-child(4){color:var(--primary);font-weight:600}
.table-note{
  margin-top:14px;
  font-size:13.5px;
  color:var(--muted);
}

/* ============ 三点价值条 ============ */
.value-row{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
@media (min-width:768px){.value-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}
.value-item{
  position:relative;
  padding:28px 24px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.04);
  transition:border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}
.value-item::before{
  content:"";
  position:absolute;
  top:0;left:24px;
  width:44px;height:3px;
  background:var(--lime);
  border-radius:0 0 3px 3px;
}
.value-item:hover{
  border-color:rgba(200,230,75,.5);
  background:rgba(255,255,255,.07);
  transform:translateY(-2px);
}
.value-num{
  font-size:clamp(34px,4vw,46px);
  font-weight:700;
  color:#fff;
  line-height:1.1;
}
.value-num em{
  font-style:normal;
  font-size:18px;
  margin-left:4px;
  color:var(--lime);
}
.value-item h3{
  margin-top:12px;
  font-size:17px;
  font-weight:700;
  color:#fff;
}
.value-item p{
  margin-top:8px;
  font-size:14.5px;
  line-height:1.75;
  color:rgba(255,255,255,.72);
}

/* ============ FAQ ============ */
.faq-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:18px 24px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--primary-deep);
  transition:background-color .2s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#F7FAF8}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:28px;height:28px;
  border:1px solid var(--primary-soft);
  border-radius:999px;
  transition:transform .18s var(--ease), background-color .18s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;left:50%;
  background:var(--primary);
  border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-item[open] .faq-icon{
  background:var(--primary);
  transform:rotate(45deg);
}
.faq-item[open] .faq-icon::before,
.faq-item[open] .faq-icon::after{background:#fff}
.faq-answer{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:78ch;
}

/* ============ CTA ============ */
.cta-block{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px 24px;
  box-shadow:var(--shadow-card);
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
}
@media (min-width:1024px){
  .cta-block{grid-template-columns:5fr 7fr;gap:40px;padding:44px 44px;align-items:center}
}
.cta-block h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:800;
  color:var(--primary-deep);
}
.cta-block .cta-desc{
  margin-top:14px;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.8;
}
.cta-points{margin-top:18px;display:grid;gap:10px}
.cta-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--ink);
}
.cta-points li::before{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:5px;
  border-radius:5px;
  background:var(--accent-soft);
  border:1px solid var(--accent);
}
.cta-panel{
  background:var(--accent-soft);
  border:1px solid rgba(255,122,69,.28);
  border-radius:var(--radius-card);
  padding:24px;
}
.cta-panel h3{
  font-size:18px;
  font-weight:700;
  color:var(--primary-deep);
}
.cta-panel p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--muted);
}
.cta-panel .btn{margin-top:20px}
.cta-panel .btn + .btn{margin-top:12px}
.cta-meta{
  margin-top:16px;
  font-size:12.5px;
  color:var(--muted);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--primary-deep);
  color:#fff;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
@media (min-width:768px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.35fr 1fr 1fr 1.15fr;gap:40px}
  .footer-col + .footer-col{border-left:1px solid rgba(255,255,255,.14);padding-left:28px}
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#fff;
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.footer-col ul li{
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:5px 0;
}
.footer-col ul li a{color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.beian-slot{display:inline-block;min-height:16px}

/* ============ 移动端导航与表格堆叠 ============ */
@media (max-width:767px){
  .nav-chips{display:none}
  .header-actions .btn{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{min-height:64px}
  .page-hero{padding:56px 0 48px;min-height:0}
  .hero-actions .btn{width:100%}
}
@media (max-width:640px){
  .table-wrap{overflow:visible;border:0;background:transparent;box-shadow:none}
  .compare-table{min-width:0;display:block}
  .compare-table thead{display:none}
  .compare-table tbody{display:block}
  .compare-table tbody tr{
    display:block;
    background:#fff;
    border:1px solid var(--line);
    border-radius:14px;
    padding:6px 4px;
    margin-bottom:16px;
  }
  .compare-table tbody tr:nth-child(even){background:#fff}
  .compare-table tbody td{
    display:block;
    border:0;
    padding:8px 16px;
    width:auto;
  }
  .compare-table tbody td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    font-weight:700;
    color:var(--primary-soft);
    letter-spacing:.03em;
    margin-bottom:2px;
  }
  .compare-table tbody td:first-child{
    font-size:17px;
    padding-top:14px;
  }
  .value-item::before{left:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .cap-card:hover,.btn:hover,.value-item:hover{transform:none}
}