/* roulang page: index */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06), 0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:46px;line-height:1.25;font-weight:700;letter-spacing:-.01em}
h2{font-size:31px;line-height:1.3;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px}
::selection{background:var(--accent-400);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:40px}
.section-head h2{max-width:620px}
.section-desc{max-width:440px;font-size:15px;line-height:1.85;color:var(--ink-600)}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--brand-500);font-weight:600;margin-bottom:12px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;white-space:nowrap}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px)}
.btn-primary:active{transform:none;background:var(--brand-900)}
.btn-outline{border:1px solid var(--brand-700);color:var(--brand-700);background:transparent}
.btn-outline:hover{background:rgba(15,76,67,.06)}
.btn-accent{background:var(--accent-400);color:var(--brand-900)}
.btn-accent:hover{background:#bde036;transform:translateY(-1px)}
.btn-accent:active{transform:none}
.btn[disabled]{opacity:.45;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);border-bottom:1px solid rgba(15,76,67,.28);padding-bottom:2px;transition:border-color .18s ease,color .18s ease}
.text-link:hover{border-color:var(--brand-700);color:var(--brand-900)}

/* 导航 */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60;background:transparent;border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.scrolled{background:rgba(255,255,255,.95);border-bottom-color:var(--line);box-shadow:0 1px 2px rgba(16,32,28,.05)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .2s ease}
.site-header.scrolled .nav-inner{height:56px}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0}
.nav-right{display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:baseline;gap:6px;flex-shrink:0}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--ink-900)}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-600)}
.brand-light .brand-main{color:#fff}
.brand-light .brand-sub{color:rgba(255,255,255,.62)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{padding:8px 13px;border-radius:9px;font-size:15px;color:var(--ink-600);transition:color .18s ease,background .18s ease}
.nav-link:hover{color:var(--brand-700);background:rgba(15,76,67,.06)}
.nav-link.active{color:var(--brand-700);font-weight:600;background:rgba(15,76,67,.08)}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;color:var(--ink-600);transition:background .18s ease,color .18s ease}
.icon-btn:hover{background:rgba(15,76,67,.06);color:var(--brand-700)}
.icon-btn svg{width:19px;height:19px}
.menu-btn{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;color:var(--ink-900)}
.menu-btn:hover{background:rgba(15,76,67,.06)}
.menu-btn svg{width:22px;height:22px}

/* 抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:80;background:rgba(11,58,51,.42);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease}
.mobile-drawer.open{opacity:1;visibility:visible}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(86vw,340px);background:var(--surface);padding:20px;transform:translateX(100%);transition:transform .24s ease-out;overflow-y:auto;display:flex;flex-direction:column;gap:22px}
.mobile-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:44px;height:44px;border-radius:10px;font-size:26px;line-height:1;color:var(--ink-600);display:inline-flex;align-items:center;justify-content:center}
.drawer-close:hover{background:rgba(15,76,67,.06)}
.drawer-links{display:flex;flex-direction:column}
.drawer-links a{padding:14px 4px;font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line)}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:4px}

/* 首屏 */
.hero{padding:96px 0 76px;background:linear-gradient(180deg,#FBFCF9 0%,var(--bg) 100%)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.hero-copy h1{margin-bottom:20px}
.hero-copy h1 .hl{color:var(--brand-700)}
.hero-sub{font-size:17px;line-height:1.85;color:var(--ink-600);max-width:520px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:40px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line);padding-top:24px}
.hero-stat .num{font-size:27px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat .lbl{font-size:13px;color:var(--ink-600);margin-top:4px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);background:var(--line)}
.hero-badge{position:absolute;left:20px;bottom:20px;background:rgba(11,58,51,.9);color:#fff;font-size:13px;padding:8px 14px;border-radius:999px;letter-spacing:.02em}
.hero-accent{position:absolute;right:-14px;top:-14px;width:74px;height:74px;border-radius:18px;background:var(--accent-400);z-index:-1}

/* 价值条 */
.value-strip{padding:0 0 8px}
.value-list{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.value-item{display:flex;gap:14px;padding:28px 24px;border-right:1px solid var(--line)}
.value-item:last-child{border-right:0}
.value-index{font-size:13px;font-weight:700;color:var(--brand-500);letter-spacing:.08em;padding-top:3px;font-variant-numeric:tabular-nums}
.value-title{font-size:16px;font-weight:600;margin-bottom:6px}
.value-desc{font-size:14px;line-height:1.75;color:var(--ink-600)}

/* 功能分组 */
.feature-group{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start;padding:44px 0;border-top:1px solid var(--line)}
.feature-group:last-of-type{border-bottom:1px solid var(--line)}
.feature-group.reverse{grid-template-columns:1.6fr .85fr}
.feature-group.reverse .feature-aside{order:2}
.feature-aside h3{margin-bottom:12px}
.feature-aside p{font-size:15px;line-height:1.85;color:var(--ink-600);margin-bottom:18px}
.feature-mosaic{display:grid;grid-template-columns:1.45fr 1fr;gap:20px}
.feature-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease-out,transform .2s ease-out}
.feature-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.feature-card-lg{grid-row:span 2;display:flex;flex-direction:column;gap:18px}
.feature-card-lg img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);background:var(--line)}
.feature-card h4{font-size:18px;font-weight:600;margin-bottom:8px}
.feature-card p{font-size:14.5px;line-height:1.8;color:var(--ink-600)}
.feature-ico{width:38px;height:38px;border-radius:10px;background:rgba(30,122,103,.12);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px}
.feature-ico svg{width:19px;height:19px}

/* 场景 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:40px 0}
.scene + .scene{border-top:1px solid var(--line)}
.scene.reverse .scene-media{order:2}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);background:var(--line)}
.scene-copy h3{margin-bottom:14px}
.scene-copy p{font-size:15.5px;line-height:1.9;color:var(--ink-600);margin-bottom:18px;max-width:480px}
.scene-points{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.tag{display:inline-flex;align-items:center;font-size:13px;line-height:1;padding:7px 12px;border-radius:999px;background:rgba(30,122,103,.1);color:var(--brand-700)}

/* 案例 */
.case-scroll{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;margin:0 -4px}
.case-scroll::-webkit-scrollbar{height:6px}
.case-scroll::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.case-card{flex:1 0 340px;max-width:420px;scroll-snap-align:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:16px;transition:box-shadow .2s ease-out,transform .2s ease-out}
.case-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.case-org{display:flex;align-items:center;gap:12px}
.case-org img{width:52px;height:52px;border-radius:12px;object-fit:cover;background:var(--line)}
.case-org .name{font-size:15px;font-weight:600}
.case-org .role{font-size:12.5px;color:var(--ink-600)}
.case-quote{font-size:15px;line-height:1.85;color:var(--ink-600)}
.case-metrics{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:16px;margin-top:auto}
.case-metric .num{font-size:24px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.case-metric .lbl{font-size:12.5px;color:var(--ink-600)}

/* 资讯 */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{font-size:13.5px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--ink-600);transition:border-color .18s ease,color .18s ease,background .18s ease}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-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-1);transition:box-shadow .2s ease-out,transform .2s ease-out}
.post-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.post-thumb{background:var(--line)}
.post-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-tag{align-self:flex-start;font-size:12.5px;line-height:1;padding:6px 11px;border-radius:999px;background:rgba(203,242,63,.35);color:#3C5A12;font-weight:600}
.post-title{font-size:17px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.9em}
.post-summary{font-size:14px;line-height:1.75;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-time{font-size:13px;color:var(--ink-600);margin-top:auto;padding-top:6px;border-top:1px solid var(--line);font-variant-numeric:tabular-nums}
.empty-state{text-align:center;padding:64px 24px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card)}
.empty-state p{font-size:15.5px;color:var(--ink-600);margin-bottom:14px}

/* 价格 */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:32px 28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:20px;transition:box-shadow .2s ease-out,transform .2s ease-out}
.price-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.price-card.featured{border:2px solid var(--brand-700);position:relative}
.price-badge{position:absolute;top:-13px;left:28px;background:var(--accent-400);color:var(--brand-900);font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px}
.price-name{font-size:18px;font-weight:600}
.price-sub{font-size:13.5px;color:var(--ink-600);margin-top:4px}
.price-amount{display:flex;align-items:baseline;gap:6px;font-variant-numeric:tabular-nums}
.price-amount .cur{font-size:16px;color:var(--ink-600)}
.price-amount .val{font-size:38px;font-weight:700;color:var(--brand-900);line-height:1.1}
.price-amount .unit{font-size:13.5px;color:var(--ink-600)}
.price-list{display:flex;flex-direction:column;gap:11px;font-size:14.5px;color:var(--ink-600);border-top:1px solid var(--line);padding-top:20px}
.price-list li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.price-list li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--brand-500);flex:0 0 auto;margin-top:9px}
.price-note{font-size:13.5px;color:var(--ink-600);margin-top:24px;text-align:center}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 4px;font-size:17px;font-weight:600;line-height:1.6;transition:color .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);position:relative;transition:background .18s ease,border-color .18s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);transform:translate(-50%,-50%);border-radius:1px}
.faq-icon::before{width:11px;height:1.6px}
.faq-icon::after{width:1.6px;height:11px;transition:opacity .18s ease}
.faq-item[open] .faq-icon{background:var(--accent-400);border-color:var(--accent-400)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 56px 26px 4px;font-size:15.5px;line-height:1.9;color:var(--ink-600)}

/* CTA */
.cta-band{background:var(--brand-900);color:#fff;padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.72);max-width:620px}

/* 页脚 */
.site-footer{background:#082A25;color:rgba(255,255,255,.72);font-size:14.5px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand p{margin-top:16px;line-height:1.85;font-size:14px;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{transition:color .18s ease}
.footer-col a:hover{color:var(--accent-400)}
.footer-contact li{display:flex;flex-direction:column;gap:2px;margin-bottom:14px}
.footer-contact .k{font-size:12.5px;color:rgba(255,255,255,.45)}
.footer-contact .v{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:22px;padding-bottom:28px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5)}

/* 响应式 */
@media (max-width:1024px){
  h1{font-size:34px}
  h2{font-size:26px}
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .nav-cta{display:none}
  .hero{padding:88px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{order:-1}
  .hero-media img{aspect-ratio:16/10}
  .hero-copy h1{font-size:32px}
  .value-list{grid-template-columns:repeat(2,1fr)}
  .value-item:nth-child(2){border-right:0}
  .value-item:nth-child(1),.value-item:nth-child(2){border-bottom:1px solid var(--line)}
  .feature-group,.feature-group.reverse{grid-template-columns:1fr;gap:28px}
  .feature-group.reverse .feature-aside{order:0}
  .scene,.scene.reverse{grid-template-columns:1fr;gap:28px}
  .scene.reverse .scene-media{order:0}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr}
  .price-card.featured{order:-1}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .nav-inner{padding:0 20px;height:56px}
  .site-header.scrolled .nav-inner{height:52px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px}
  .section-desc{max-width:100%}
  h1{font-size:30px}
  .hero-copy h1{font-size:28px}
  h2{font-size:24px}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .hero-stat{display:flex;align-items:baseline;gap:12px}
  .hero-stat .lbl{margin-top:0}
  .value-list{grid-template-columns:1fr}
  .value-item{border-right:0;border-bottom:1px solid var(--line);padding:22px 4px}
  .value-item:last-child{border-bottom:0}
  .feature-mosaic{grid-template-columns:1fr}
  .feature-card-lg{grid-row:auto}
  .post-grid{grid-template-columns:1fr}
  .case-scroll{margin:0 -20px;padding-left:20px;padding-right:20px}
  .case-card{flex:0 0 82vw}
  .faq-answer{padding-right:12px}
  .faq-item summary{font-size:16px;padding:20px 0}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  h1{font-size:26px}
  .hero-copy h1{font-size:25px}
  .brand-main{font-size:17px}
  .brand-sub{font-size:10px}
  .btn{min-height:44px;padding:0 20px;font-size:14.5px}
}

/* roulang page: article */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06), 0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
  --soft-green:rgba(15,76,67,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',Inter,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:64px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .2s ease-out,border-color .2s ease-out,height .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{
  height:56px;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,32,28,.05);
}
.nav-inner{
  max-width:1200px;margin:0 auto;height:100%;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0}
.brand{display:flex;flex-direction:column;line-height:1.05;color:var(--ink-900)}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-600);margin-top:3px}
.brand:hover .brand-main{color:var(--brand-700)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;
  transition:color .18s ease-out;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-700);
}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-600);border:1px solid transparent;transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{background:var(--soft-green);color:var(--brand-700);border-color:var(--line)}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:10px;align-items:center;justify-content:center;
  color:var(--ink-900);border:1px solid var(--line);background:var(--surface);
}
.menu-btn svg{width:20px;height:20px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-primary{background:var(--brand-700);color:#fff;border:1px solid var(--brand-700);box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--brand-700);border:1px solid var(--brand-700)}
.btn-ghost:hover{background:var(--soft-green);color:var(--brand-900);transform:translateY(-1px)}
.btn-accent{background:var(--accent-400);color:var(--brand-900);border:1px solid var(--accent-400);font-weight:700}
.btn-accent:hover{background:#d9fa5c;color:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.text-link{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.text-link:hover{color:var(--brand-900)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:296px;max-width:86vw;z-index:80;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .22s ease-out;
  padding:24px 22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,58,51,.42);opacity:0;visibility:hidden;z-index:70;
  transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-size:14px;color:var(--ink-600);letter-spacing:.06em}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--ink-900)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:24px}
.drawer-nav a{padding:12px 4px;font-size:16px;color:var(--ink-900);border-bottom:1px solid var(--line)}
.drawer-nav a:hover{color:var(--brand-700)}
.drawer-nav a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{width:100%}

/* ---------- 页头 ---------- */
.page-top{padding-top:calc(64px + 28px);background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600);padding:18px 0 0}
.breadcrumb a{color:var(--ink-600)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#B9C4C0}
.breadcrumb .current{color:var(--ink-600)}
.article-head{padding:22px 0 34px;max-width:860px}
.head-badge{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:var(--soft-green);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.article-head h1{
  margin-top:18px;font-size:clamp(30px,3.4vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:20px;font-size:13.5px;color:var(--ink-600);line-height:1.6}
.meta-line .meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.meta-line .source strong{color:var(--ink-900);font-weight:600}
.head-rule{height:1px;background:var(--line);margin-top:26px}

.cover-wrap{padding:36px 0 0}
.cover-wrap img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1)}
.cover-caption{margin-top:12px;font-size:13px;color:var(--ink-600)}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px}
.article-body{
  max-width:760px;font-size:17px;line-height:1.9;color:var(--ink-900);
}
.article-body > * + *{margin-top:1.2em}
.article-body h2{
  position:relative;padding-left:16px;font-size:30px;line-height:1.3;font-weight:700;
  margin-top:2em;margin-bottom:.8em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--brand-700);
}
.article-body h3{font-size:21.5px;line-height:1.4;font-weight:600;margin-top:1.7em;margin-bottom:.7em}
.article-body h4{font-size:18px;font-weight:600;margin-top:1.5em;margin-bottom:.6em}
.article-body p{line-height:1.9}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{padding-left:1.35em;line-height:1.8}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--brand-500)}
.article-body blockquote{
  background:var(--soft-green);border-left:4px solid var(--brand-700);border-radius:0 12px 12px 0;
  padding:18px 22px;color:var(--ink-900);
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-img);margin:1.6em auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--ink-600);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px}
.article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.article-body th{background:var(--brand-900);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBFCF9}
.article-body code{background:#EFF3F0;border-radius:6px;padding:2px 6px;font-size:15px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}

/* ---------- 侧栏 ---------- */
.article-aside{display:flex;flex-direction:column;gap:22px}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.aside-card:hover{box-shadow:var(--shadow-2)}
.aside-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.aside-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand-700)}
.aside-list{display:flex;flex-direction:column}
.aside-list li{border-bottom:1px solid var(--line)}
.aside-list li:last-child{border-bottom:0}
.aside-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px 0;font-size:15px;color:var(--ink-900)}
.aside-list a:hover{color:var(--brand-700)}
.aside-list .arrow{color:var(--brand-500);font-size:13px}
.aside-cta{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.aside-cta h3{color:#fff}
.aside-cta h3::before{background:var(--accent-400)}
.aside-cta p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.82);margin-bottom:18px}
.aside-cta .btn{width:100%}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:13px;color:var(--ink-600);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}

/* ---------- 延伸阅读 ---------- */
.relate{padding:0 0 88px}
.section-head{max-width:760px;margin-bottom:32px}
.section-head .eyebrow{font-size:13px;letter-spacing:.14em;color:var(--brand-500);text-transform:uppercase;font-weight:600}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;margin-top:10px}
.section-head p{margin-top:12px;color:var(--ink-600);font-size:16px;line-height:1.85}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.topic-card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.topic-card .thumb{position:relative;overflow:hidden}
.topic-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease-out}
.topic-card:hover .thumb img{transform:scale(1.03)}
.topic-card .thumb .badge{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:999px;
  background:rgba(11,58,51,.86);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.topic-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-card h3{font-size:17.5px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card p{font-size:14.5px;line-height:1.75;color:var(--ink-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card .go{margin-top:auto;font-size:14px;color:var(--brand-700);font-weight:600}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:760px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:48px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .empty-title{font-size:22px;font-weight:700}
.empty-state .empty-text{margin:14px auto 24px;max-width:520px;color:var(--ink-600);font-size:15.5px;line-height:1.85}

/* ---------- 底部 CTA ---------- */
.bottom-cta{background:var(--brand-900);color:#fff}
.bottom-cta .inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:44px 0;
}
.bottom-cta h2{font-size:26px;line-height:1.35;font-weight:700}
.bottom-cta p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.8);max-width:620px;line-height:1.8}
.bottom-cta .actions{display:flex;flex-wrap:wrap;gap:12px}
.bottom-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.bottom-cta .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.brand-light{color:#fff}
.brand-light .brand-main{color:#fff;font-size:20px}
.brand-light .brand-sub{color:rgba(255,255,255,.62)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-400)}
.footer-contact li{display:flex;flex-direction:column;gap:4px}
.footer-contact .k{font-size:13px;color:rgba(255,255,255,.5);letter-spacing:.06em}
.footer-contact .v{font-size:14.5px;color:rgba(255,255,255,.82);line-height:1.7}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 32px 26px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom p{margin:0}

/* ---------- 响应式 ---------- */
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;gap:64px;justify-content:center}
  .article-aside{position:sticky;top:96px;align-self:start}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .nav-left{gap:20px}
  .nav-cta{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .nav-inner{padding:0 20px}
  .page-top{padding-top:calc(56px + 20px)}
  .article-head h1{font-size:30px}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:19px}
  .section-head h2{font-size:24px}
  .article-main{padding:40px 0 64px}
  .relate{padding-bottom:64px}
  .bottom-cta h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .card-grid{grid-template-columns:1fr}
  .icon-btn{display:none}
  .meta-line{font-size:13px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06), 0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC','Inter',sans-serif;
  background:var(--bg);
  color:var(--ink-900);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  transition:height .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{box-shadow:0 6px 20px -16px rgba(16,32,28,.4)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .2s ease-out;
}
.site-header.scrolled .nav-inner{height:56px}
.nav-left{display:flex;align-items:center;gap:34px;min-width:0}
.nav-right{display:flex;align-items:center;gap:12px}
.brand{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.brand-main{font-size:18px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-600)}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-block;padding:9px 13px;font-size:15px;color:var(--ink-600);
  border-radius:8px;transition:background .18s ease-out,color .18s ease-out;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:rgba(15,76,67,.06)}
.nav-link.active{color:var(--brand-700);font-weight:600;background:rgba(15,76,67,.09)}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);
  color:var(--ink-600);transition:all .18s ease-out;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-700);background:rgba(15,76,67,.05)}
.menu-btn{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);color:var(--ink-900);
}
.menu-btn svg{width:22px;height:22px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);border:1px solid transparent;
  transition:all .18s ease-out;white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px)}
.btn-primary:active{transform:none}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:rgba(15,76,67,.06)}
.btn-accent{background:var(--accent-400);color:var(--brand-900)}
.btn-accent:hover{background:#d8fa5c;transform:translateY(-1px)}
.btn-accent:active{transform:none}
.text-link{
  color:var(--brand-700);font-weight:600;
  text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;
}
.text-link:hover{color:var(--brand-900)}

/* drawer */
.nav-drawer{
  position:fixed;inset:0;z-index:80;pointer-events:none;
}
.nav-drawer .drawer-mask{
  position:absolute;inset:0;background:rgba(11,35,30,.42);opacity:0;transition:opacity .2s ease-out;
}
.nav-drawer .drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(86vw,340px);
  background:var(--surface);padding:22px 22px 32px;
  transform:translateX(100%);transition:transform .22s ease-out;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.nav-drawer.open{pointer-events:auto}
.nav-drawer.open .drawer-mask{opacity:1}
.nav-drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:transparent;color:var(--ink-900);font-size:18px;line-height:1}
.drawer-link{padding:13px 12px;border-radius:10px;font-size:16px;color:var(--ink-600);border-bottom:1px solid var(--line)}
.drawer-link.active{color:var(--brand-700);font-weight:600;background:rgba(15,76,67,.08)}
.drawer-cta{margin-top:18px}
.drawer-note{font-size:13px;color:var(--ink-600);margin-top:14px;line-height:1.7}

/* ============ page head ============ */
.page-head{padding:40px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600);margin-bottom:20px}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .sep{color:#B6C1BD}
.breadcrumb .current{color:var(--ink-600)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:rgba(203,242,63,.35);color:var(--brand-900);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.page-head h1{
  font-size:46px;line-height:1.25;font-weight:700;margin:18px 0 0;letter-spacing:-.01em;max-width:900px;
}
.page-head h1 .brand-inline{color:var(--brand-700)}
.lede{font-size:17px;color:var(--ink-600);max-width:760px;margin-top:18px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.head-media{margin-top:40px;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);background:var(--line)}
.head-media img{width:100%;height:380px;object-fit:cover}

/* ============ stats ============ */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--surface);
  overflow:hidden;box-shadow:var(--shadow-1);margin-top:36px;
}
.stat-item{padding:26px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-value{font-size:32px;font-weight:700;color:var(--brand-700);line-height:1.15;letter-spacing:-.02em}
.stat-value small{font-size:15px;font-weight:600;color:var(--brand-500);margin-left:2px}
.stat-label{font-size:14px;color:var(--ink-600);margin-top:8px;line-height:1.6}

/* ============ layout ============ */
.cat-layout{padding:64px 0 0;display:grid;grid-template-columns:248px 1fr;gap:48px;align-items:start}
.anchor-nav{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:18px}
.anchor-nav .an-title{font-size:13px;letter-spacing:.1em;color:var(--ink-600);margin-bottom:14px;text-transform:uppercase}
.anchor-nav a{
  display:block;padding:8px 0;font-size:15px;color:var(--ink-600);transition:color .18s ease-out,padding-left .18s ease-out;
}
.anchor-nav a:hover{color:var(--brand-700);padding-left:4px}
.anchor-nav a.is-active{color:var(--brand-700);font-weight:600;position:relative}
.anchor-nav a.is-active::before{content:"";position:absolute;left:-20px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--accent-400)}
.anchor-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px}
.anchor-cta .btn{width:100%}

.cat-content{min-width:0}
.section-block{margin-bottom:88px;scroll-margin-top:96px}
.section-block:last-child{margin-bottom:0}
.section-head{margin-bottom:32px}
.section-head h2{
  font-size:30px;line-height:1.3;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--brand-700);
}
.section-head p{color:var(--ink-600);margin-top:14px;max-width:720px}

/* scope cards */
.scope-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.scope-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out;
  display:flex;flex-direction:column;
}
.scope-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.scope-card .thumb{height:170px;overflow:hidden;border-radius:0}
.scope-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease-out}
.scope-card:hover .thumb img{transform:scale(1.03)}
.scope-card .body{padding:22px 22px 24px}
.scope-card h3{font-size:20px;font-weight:600}
.scope-card p{font-size:15.5px;color:var(--ink-600);margin-top:10px;line-height:1.85}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-block;padding:4px 11px;border-radius:999px;background:rgba(15,76,67,.07);
  color:var(--brand-700);font-size:12.5px;font-weight:600;
}

/* steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;margin-top:8px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 18px;position:relative;box-shadow:var(--shadow-1);
}
.step .step-num{
  width:34px;height:34px;border-radius:10px;background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.step h3{font-size:16.5px;margin-top:14px;font-weight:600}
.step p{font-size:14px;color:var(--ink-600);margin-top:8px;line-height:1.8}
.step .dur{font-size:12.5px;color:var(--brand-500);margin-top:12px;font-weight:600}

/* support list */
.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 32px;border-top:1px solid var(--line)}
.support-item{
  display:flex;gap:16px;padding:26px 0;border-bottom:1px solid var(--line);
}
.support-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;background:rgba(30,122,103,.10);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.support-icon svg{width:22px;height:22px}
.support-item h3{font-size:17.5px;font-weight:600}
.support-item p{font-size:15px;color:var(--ink-600);margin-top:8px;line-height:1.85}

/* coop */
.coop-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px;box-shadow:var(--shadow-1);
}
.coop-panel img{width:100%;height:290px;object-fit:cover}
.coop-list{margin-top:18px}
.coop-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--ink-600)}
.coop-list li:last-child{border-bottom:none}
.coop-list li strong{color:var(--ink-900);font-weight:600;min-width:96px;display:inline-block}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent-400);flex:0 0 8px;margin-top:11px}

/* faq */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 0;position:relative;
  font-size:17.5px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"＋";position:absolute;right:6px;top:20px;font-size:20px;color:var(--brand-700);font-weight:400;transition:transform .2s ease-out;
}
.faq-item[open] summary::after{content:"－"}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item .faq-body{padding:0 60px 24px 0;color:var(--ink-600);font-size:16px;line-height:1.9}

/* cta bar */
.cta-bar{
  background:var(--brand-900);border-radius:18px;padding:42px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  margin-top:88px;
}
.cta-bar h2{font-size:26px;color:#fff;line-height:1.35;max-width:560px}
.cta-bar p{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:560px}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* footer */
.site-footer{background:var(--brand-900);color:#fff;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding-top:64px;padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:16px}
.brand-light .brand-main{color:#fff}
.brand-light .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14.5px;color:rgba(255,255,255,.7);line-height:1.9;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14.5px;line-height:2.1;transition:color .18s ease-out}
.footer-col ul li a:hover{color:var(--accent-400)}
.footer-contact li{margin-bottom:14px}
.footer-contact .k{display:block;font-size:12px;letter-spacing:.06em;color:var(--accent-400);margin-bottom:3px}
.footer-contact .v{font-size:14.5px;color:rgba(255,255,255,.78);line-height:1.8}
.footer-bottom{
  display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:20px;padding-bottom:32px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ responsive ============ */
@media (max-width:1279px){
  .cat-layout{grid-template-columns:210px 1fr;gap:36px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .menu-btn{display:inline-flex}
  .nav-inner{height:56px;padding:0 20px}
  .site-header.scrolled .nav-inner{height:52px}
  .nav-right .nav-cta{display:none}
  .container{padding:0 20px}
  .page-head h1{font-size:32px}
  .head-media img{height:260px}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-bottom:1px solid var(--line)}
  .stat-item:nth-child(2n){border-right:none}
  .stat-item:nth-child(n+3){border-bottom:none}
  .cat-layout{grid-template-columns:1fr;gap:32px;padding-top:48px}
  .anchor-nav{
    position:static;border-left:none;padding-left:0;border-bottom:1px solid var(--line);padding-bottom:16px;
  }
  .anchor-nav .an-title{display:none}
  .anchor-nav .an-links{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .anchor-nav .an-links::-webkit-scrollbar{display:none}
  .anchor-nav a{
    white-space:nowrap;padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:14px;background:var(--surface);
  }
  .anchor-nav a.is-active::before{display:none}
  .anchor-cta{flex-direction:row;margin-top:16px}
  .anchor-cta .btn{width:auto;flex:1}
  .steps{grid-template-columns:repeat(2,1fr)}
  .coop-panel{grid-template-columns:1fr;padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;padding-top:48px}
  .cta-bar{padding:32px 24px}
}
@media (max-width:767px){
  body{font-size:16px}
  .page-head{padding-top:28px}
  .page-head h1{font-size:28px}
  .lede{font-size:16px}
  .head-media{margin-top:28px}
  .head-media img{height:210px}
  .stats-bar{grid-template-columns:1fr}
  .stat-item{border-right:none;border-bottom:1px solid var(--line);padding:20px}
  .stat-item:nth-child(n+3){border-bottom:1px solid var(--line)}
  .stat-item:last-child{border-bottom:none}
  .stat-value{font-size:27px}
  .section-block{margin-bottom:56px}
  .section-head h2{font-size:24px}
  .scope-grid{grid-template-columns:1fr}
  .support-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .coop-panel img{height:200px}
  .faq-item .faq-body{padding-right:16px}
  .cta-bar{margin-top:56px;border-radius:14px}
  .cta-bar h2{font-size:21px}
  .cta-bar .cta-actions{width:100%}
  .cta-bar .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .site-footer{margin-top:64px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06), 0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
  --nav-h:64px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC','Inter',sans-serif;
  background:var(--bg);
  color:var(--ink-900);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.005em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px;border-radius:4px}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  transition:background .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,32,28,.05);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .2s ease-out;
}
.site-header.is-stuck .nav-inner{height:56px}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0}
.brand{display:flex;align-items:baseline;gap:6px;line-height:1}
.brand-main{font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-600)}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{
  font-size:15px;color:var(--ink-600);padding:8px 0;position:relative;
  transition:color .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--brand-700);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);
  color:var(--ink-600);cursor:pointer;transition:all .18s ease-out;
}
.icon-btn svg{width:19px;height:19px}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-500);background:rgba(15,76,67,.05)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .18s ease-out;
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent-400);color:var(--brand-900)}
.btn-accent:hover{background:#d8fa5a;transform:translateY(-1px)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:var(--brand-700)}
.btn-ghost:hover{background:rgba(15,76,67,.06)}
.menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);
  color:var(--ink-900);cursor:pointer;
}
.menu-btn svg{width:20px;height:20px}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);z-index:120;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .24s ease-out;
  padding:24px 22px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,58,51,.36);opacity:0;pointer-events:none;
  transition:opacity .24s ease-out;z-index:110;
}
.drawer-mask.show{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);color:var(--ink-900);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-nav a{
  display:block;padding:14px 4px;font-size:16px;color:var(--ink-900);
  border-bottom:1px solid var(--line);transition:color .18s ease-out,padding-left .18s ease-out;
}
.drawer-nav a:hover{color:var(--brand-700);padding-left:8px}
.drawer-nav a.active{color:var(--brand-700);font-weight:600}
.drawer-cta{margin-top:22px;display:block;text-align:center}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:calc(var(--nav-h) + 56px) 0 64px;
  background:linear-gradient(160deg,#0B3A33 0%, #0F4C43 58%, #16594d 100%);
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(203,242,63,.18),rgba(203,242,63,0) 68%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.78);transition:color .18s ease-out}
.crumb a:hover{color:var(--accent-400);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{opacity:.5}
.crumb .current{color:rgba(255,255,255,.6)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(203,242,63,.16);color:var(--accent-400);border:1px solid rgba(203,242,63,.32);
}
.badge-light{background:rgba(15,76,67,.08);color:var(--brand-700);border-color:rgba(15,76,67,.18)}
.page-hero h1{
  font-size:46px;line-height:1.22;margin:18px 0 18px;font-weight:700;color:#fff;
}
.hero-lead{font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-fact .num{font-size:26px;font-weight:700;color:var(--accent-400);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-fact .lbl{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-media{
  border-radius:var(--radius-img);overflow:hidden;box-shadow:0 18px 40px -18px rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.14);background:var(--brand-900);
}
.hero-media img{width:100%;height:340px;object-fit:cover}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  letter-spacing:.12em;color:var(--brand-500);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand-700);display:inline-block}
h2.sec-title{font-size:32px;line-height:1.3;color:var(--ink-900);position:relative;padding-left:16px}
h2.sec-title::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand-700);
}
.sec-desc{margin-top:16px;font-size:17px;line-height:1.9;color:var(--ink-600);max-width:720px}

/* intro split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.split-media{border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-1);background:var(--line)}
.split-media img{width:100%;height:360px;object-fit:cover}
.plain-list{margin-top:26px;border-top:1px solid var(--line)}
.plain-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.plain-list .idx{
  flex:none;width:26px;height:26px;border-radius:8px;background:rgba(15,76,67,.08);
  color:var(--brand-700);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:6px;font-variant-numeric:tabular-nums;
}
.plain-list .txt strong{display:block;font-size:16px;font-weight:600;color:var(--ink-900)}
.plain-list .txt span{font-size:15px;color:var(--ink-600);line-height:1.8}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:33px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,var(--brand-700),rgba(15,76,67,.14));
}
.tl-step{position:relative;display:grid;grid-template-columns:68px minmax(0,1fr);gap:28px;padding:26px 0}
.tl-num{
  position:relative;z-index:2;width:68px;height:68px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);
  font-size:22px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums;
  transition:all .2s ease-out;
}
.tl-step:hover .tl-num{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.tl-body{padding-top:6px;max-width:720px}
.tl-body h3{font-size:21px;color:var(--ink-900);margin-bottom:10px}
.tl-body p{font-size:16px;color:var(--ink-600);line-height:1.9}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  font-size:13px;color:var(--brand-700);background:rgba(15,76,67,.07);border:1px solid rgba(15,76,67,.12);
}
.timeline-foot{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;align-items:center}

/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 48px;margin-top:8px}
.check-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.check-item svg{flex:none;width:20px;height:20px;margin-top:7px;color:var(--brand-500)}
.check-item strong{display:block;font-size:16px;font-weight:600}
.check-item span{font-size:15px;color:var(--ink-600);line-height:1.8}

/* dark band */
.dark-band{background:var(--brand-900);color:#fff;padding:88px 0}
.dark-band h2{font-size:30px;line-height:1.3;color:#fff;padding-left:16px;position:relative}
.dark-band h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--accent-400)}
.dark-band p{color:rgba(255,255,255,.76);font-size:16px;line-height:1.9}
.dark-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:52px;align-items:start}
.dark-points{display:grid;gap:18px}
.dark-points li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12)}
.dark-points .n{font-size:13px;font-weight:700;color:var(--accent-400);font-variant-numeric:tabular-nums;padding-top:6px;flex:none;width:34px}
.dark-points strong{display:block;font-size:16px;color:#fff;margin-bottom:4px}
.dark-points span{font-size:15px;color:rgba(255,255,255,.7);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{margin-top:6px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 4px;font-size:17px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease-out;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand-700)}
.faq summary .plus{
  flex:none;width:24px;height:24px;margin-top:5px;border-radius:8px;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:15px;line-height:1;transition:all .2s ease-out;
}
.faq details[open] summary .plus{background:var(--brand-700);color:#fff;border-color:var(--brand-700);transform:rotate(45deg)}
.faq .answer{padding:0 4px 24px 44px;font-size:16px;color:var(--ink-600);line-height:1.9;max-width:760px}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-900);padding:56px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:26px;color:#fff;line-height:1.35}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:8px}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:52px}
.footer-brand .brand-light .brand-main{color:#fff}
.footer-brand .brand-light .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease-out}
.footer-col ul li a:hover{color:var(--accent-400)}
.footer-contact li{margin-bottom:16px}
.footer-contact .k{display:block;font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.45);margin-bottom:4px}
.footer-contact .v{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 32px 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-btn{display:inline-flex}
  .page-hero{padding:calc(56px + 44px) 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero h1{font-size:34px}
  .hero-media img{height:280px}
  .split{grid-template-columns:1fr;gap:34px}
  .split-media img{height:300px}
  .dark-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .nav-inner{padding:0 20px;height:56px}
  .site-header.is-stuck .nav-inner{height:56px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .page-hero h1{font-size:30px}
  .hero-media img{height:240px}
  .hero-facts{gap:26px}
  .hero-fact .num{font-size:22px}
  h2.sec-title{font-size:24px}
  .dark-band{padding:60px 0}
  .dark-band h2{font-size:24px}
  .check-grid{grid-template-columns:1fr;gap:8px}
  .timeline::before{left:23px}
  .tl-step{grid-template-columns:48px minmax(0,1fr);gap:18px;padding:20px 0}
  .tl-num{width:48px;height:48px;border-radius:14px;font-size:17px}
  .tl-body h3{font-size:18px}
  .cta-band{padding:44px 0}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding:20px}
  .faq summary{font-size:16px;padding:18px 2px}
  .faq .answer{padding:0 2px 20px 40px}
}

/* roulang page: category3 */
:root {
    --brand-900: #0B3A33;
    --brand-700: #0F4C43;
    --brand-500: #1E7A67;
    --accent-400: #CBF23F;
    --warm-500: #FF7A45;
    --ink-900: #14201D;
    --ink-600: #4A5A56;
    --line: #E3E8E5;
    --bg: #F7F8F5;
    --surface: #FFFFFF;
    --radius-card: 14px;
    --radius-img: 12px;
    --radius-btn: 10px;
    --shadow-1: 0 1px 2px rgba(16,32,28,.06), 0 8px 24px -12px rgba(16,32,28,.12);
    --shadow-2: 0 12px 28px -12px rgba(16,32,28,.20);
  }

  * { box-sizing: border-box; }

  html { scroll-behavior: smooth; }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--ink-900);
    font-family: 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', 'Source Han Sans SC', 'Inter', sans-serif;
    font-size: 17px;
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }
  a { color: var(--brand-700); text-decoration: none; }
  a:hover { color: var(--brand-900); }
  button { font-family: inherit; }

  :focus-visible {
    outline: 2px solid var(--accent-400);
    outline-offset: 2px;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
  }

  /* ---------- 导航 ---------- */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 80;
    background: transparent;
    transition: background .2s ease-out, border-color .2s ease-out;
    border-bottom: 1px solid transparent;
  }
  .site-header.is-scrolled {
    background: rgba(255,255,255,.92);
    border-bottom: 1px solid var(--line);
  }
  .nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    transition: height .2s ease-out;
  }
  .site-header.is-scrolled .nav-inner { height: 56px; }
  .nav-left { display: flex; align-items: center; gap: 32px; min-width: 0; }
  .brand { display: inline-flex; align-items: baseline; gap: 6px; line-height: 1; }
  .brand-main {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .02em;
    color: var(--ink-900);
  }
  .brand-sub {
    font-size: 11px;
    letter-spacing: .08em;
    color: var(--ink-600);
  }
  .brand-light .brand-main { color: #fff; }
  .brand-light .brand-sub { color: rgba(255,255,255,.66); }

  .nav-links { display: flex; align-items: center; gap: 4px; }
  .nav-link {
    position: relative;
    padding: 8px 12px;
    font-size: 15px;
    color: var(--ink-600);
    border-radius: 8px;
    transition: color .18s ease-out, background .18s ease-out;
  }
  .nav-link:hover { color: var(--brand-700); background: rgba(15,76,67,.06); }
  .nav-link.active { color: var(--brand-700); font-weight: 600; }
  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 12px; right: 12px; bottom: 2px;
    height: 2px;
    background: var(--brand-700);
    border-radius: 2px;
  }

  .nav-right { display: flex; align-items: center; gap: 10px; }
  .icon-btn {
    width: 40px; height: 40px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line);
    background: var(--surface);
    border-radius: 10px;
    color: var(--ink-600);
    cursor: pointer;
    transition: border-color .18s ease-out, color .18s ease-out, box-shadow .18s ease-out;
  }
  .icon-btn:hover { color: var(--brand-700); border-color: var(--brand-500); }
  .icon-btn svg { width: 19px; height: 19px; }

  .btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 44px;
    padding: 0 20px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    border: 1px solid transparent;
    cursor: pointer;
    transition: background .18s ease-out, color .18s ease-out, border-color .18s ease-out, transform .18s ease-out, box-shadow .18s ease-out;
  }
  .btn-primary { background: var(--brand-700); color: #fff; }
  .btn-primary:hover { background: var(--brand-900); color: #fff; transform: translateY(-1px); }
  .btn-primary:active { transform: none; }
  .btn-ghost { background: transparent; color: var(--brand-700); border-color: var(--brand-700); }
  .btn-ghost:hover { background: rgba(15,76,67,.06); color: var(--brand-900); }
  .btn-accent { background: var(--accent-400); color: var(--brand-900); }
  .btn-accent:hover { background: #d9fb5d; color: var(--brand-900); transform: translateY(-1px); }
  .btn-sm { min-height: 38px; padding: 0 14px; font-size: 14px; }

  .menu-btn {
    display: none;
    width: 40px; height: 40px;
    align-items: center; justify-content: center;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--ink-900);
    cursor: pointer;
  }
  .menu-btn svg { width: 20px; height: 20px; }

  /* ---------- 页头 ---------- */
  .page-hero {
    position: relative;
    margin-top: -64px;
    padding: 148px 0 84px;
    background-image: linear-gradient(100deg, rgba(11,58,51,.94) 0%, rgba(11,58,51,.82) 46%, rgba(11,58,51,.45) 100%), url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    color: #fff;
  }
  .page-hero-inner { max-width: 780px; }
  .breadcrumb {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.72);
    margin-bottom: 22px;
  }
  .breadcrumb a { color: rgba(255,255,255,.86); }
  .breadcrumb a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
  .breadcrumb .sep { opacity: .5; }
  .breadcrumb .current { color: var(--accent-400); }

  .page-hero h1 {
    font-size: 46px;
    line-height: 1.25;
    font-weight: 700;
    margin: 0 0 20px;
    letter-spacing: -0.01em;
  }
  .page-hero .lead {
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255,255,255,.82);
    margin: 0 0 30px;
    max-width: 700px;
  }
  .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

  /* ---------- 通用板块 ---------- */
  main { display: block; }
  .section { padding: 96px 0; }
  .section-tight { padding: 72px 0; }
  .section-head { max-width: 720px; margin-bottom: 40px; }
  .section-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .08em;
    color: var(--brand-500);
    margin-bottom: 14px;
  }
  .section-eyebrow::before {
    content: "";
    width: 22px; height: 2px;
    background: var(--brand-700);
    border-radius: 2px;
  }
  .section-title {
    font-size: 31px;
    line-height: 1.3;
    font-weight: 700;
    margin: 0 0 16px;
  }
  .section-desc {
    font-size: 17px;
    line-height: 1.9;
    color: var(--ink-600);
    margin: 0;
  }
  .h2-bar { padding-left: 16px; border-left: 4px solid var(--brand-700); }

  /* ---------- 上部：左图右要点 ---------- */
  .compare-top {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }
  .figure-card {
    border-radius: var(--radius-img);
    overflow: hidden;
    box-shadow: var(--shadow-1);
    background: var(--bg);
  }
  .figure-card img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    border-radius: var(--radius-img);
  }
  .figure-caption {
    font-size: 13px;
    color: var(--ink-600);
    margin-top: 12px;
  }
  .point-list { list-style: none; margin: 0; padding: 0; }
  .point-list li {
    display: grid;
    grid-template-columns: 40px minmax(0, 1fr);
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid var(--line);
  }
  .point-list li:first-child { padding-top: 0; }
  .point-num {
    width: 34px; height: 34px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 10px;
    background: rgba(15,76,67,.08);
    color: var(--brand-700);
    font-size: 14px;
    font-weight: 700;
  }
  .point-list h3 {
    font-size: 19px;
    line-height: 1.4;
    font-weight: 600;
    margin: 0 0 6px;
  }
  .point-list p {
    margin: 0;
    font-size: 15.5px;
    line-height: 1.8;
    color: var(--ink-600);
  }

  /* ---------- 数据条 ---------- */
  .stat-bar {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--surface);
    overflow: hidden;
    box-shadow: var(--shadow-1);
  }
  .stat-item {
    padding: 26px 24px;
    border-right: 1px solid var(--line);
  }
  .stat-item:last-child { border-right: none; }
  .stat-value {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--brand-700);
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.01em;
  }
  .stat-value small { font-size: 15px; font-weight: 600; margin-left: 2px; }
  .stat-label {
    font-size: 14px;
    color: var(--ink-600);
    margin-top: 6px;
  }

  /* ---------- 对照表 ---------- */
  .table-wrap {
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    background: var(--surface);
    box-shadow: var(--shadow-1);
  }
  table.compare-table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
    font-size: 15.5px;
  }
  .compare-table thead th {
    background: var(--brand-900);
    color: #fff;
    font-weight: 600;
    text-align: left;
    padding: 16px 20px;
    font-size: 15px;
    white-space: nowrap;
  }
  .compare-table thead th:first-child {
    color: var(--accent-400);
    letter-spacing: .04em;
  }
  .compare-table tbody td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--line);
    color: var(--ink-600);
    line-height: 1.7;
    vertical-align: top;
  }
  .compare-table tbody tr:nth-child(even) { background: #FAFBF8; }
  .compare-table tbody tr:hover { background: rgba(15,76,67,.05); }
  .compare-table tbody th {
    padding: 15px 20px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-weight: 600;
    color: var(--ink-900);
    white-space: nowrap;
    background: var(--surface);
  }
  .compare-table tbody tr:nth-child(even) th { background: #FAFBF8; }
  .compare-table tbody tr:last-child td,
  .compare-table tbody tr:last-child th { border-bottom: none; }
  .table-note {
    font-size: 13.5px;
    color: var(--ink-600);
    margin-top: 14px;
  }

  /* ---------- 两栏说明 ---------- */
  .dual-block {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 32px;
  }
  .dual-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    padding: 32px;
    box-shadow: var(--shadow-1);
    transition: box-shadow .2s ease-out, transform .2s ease-out;
  }
  .dual-card:hover { box-shadow: var(--shadow-2); transform: translateY(-2px); }
  .dual-card h3 {
    font-size: 21px;
    line-height: 1.4;
    font-weight: 600;
    margin: 0 0 14px;
  }
  .dual-card p {
    margin: 0 0 18px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--ink-600);
  }
  .check-list { list-style: none; margin: 0; padding: 0; }
  .check-list li {
    position: relative;
    padding: 7px 0 7px 26px;
    font-size: 15.5px;
    line-height: 1.7;
    color: var(--ink-600);
  }
  .check-list li::before {
    content: "";
    position: absolute;
    left: 4px; top: 16px;
    width: 9px; height: 9px;
    border-radius: 3px;
    background: var(--brand-500);
  }
  .text-link {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-700);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
  }
  .text-link:hover { color: var(--brand-900); }
  .badge {
    display: inline-flex; align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .02em;
  }
  .badge-accent { background: var(--accent-400); color: var(--brand-900); }
  .badge-soft { background: rgba(15,76,67,.09); color: var(--brand-700); }

  /* ---------- FAQ ---------- */
  .faq-list { border-top: 1px solid var(--line); }
  .faq-item { border-bottom: 1px solid var(--line); }
  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 22px 40px 22px 0;
    position: relative;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.6;
    color: var(--ink-900);
    transition: color .18s ease-out;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { color: var(--brand-700); }
  .faq-item summary::after {
    content: "";
    position: absolute;
    right: 8px; top: 32px;
    width: 11px; height: 11px;
    border-right: 2px solid var(--brand-700);
    border-bottom: 2px solid var(--brand-700);
    transform: rotate(45deg);
    transition: transform .2s ease-out;
  }
  .faq-item[open] summary::after { transform: rotate(-135deg); top: 36px; }
  .faq-answer {
    padding: 0 40px 24px 0;
    font-size: 16px;
    line-height: 1.9;
    color: var(--ink-600);
  }
  .faq-answer p { margin: 0 0 10px; }
  .faq-answer p:last-child { margin-bottom: 0; }

  /* ---------- CTA ---------- */
  .cta-band {
    background: var(--brand-900);
    color: #fff;
    border-radius: var(--radius-card);
    padding: 40px 44px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
  }
  .cta-band h2 {
    font-size: 26px;
    line-height: 1.35;
    font-weight: 700;
    margin: 0 0 8px;
  }
  .cta-band p {
    margin: 0;
    font-size: 15.5px;
    color: rgba(255,255,255,.76);
  }
  .cta-band .btn { flex: none; }

  /* ---------- 页脚 ---------- */
  .site-footer {
    background: var(--brand-900);
    color: rgba(255,255,255,.72);
    margin-top: 96px;
    padding-top: 72px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 56px;
  }
  .footer-brand p {
    margin: 18px 0 0;
    font-size: 15px;
    line-height: 1.85;
    color: rgba(255,255,255,.68);
    max-width: 340px;
  }
  .footer-col h4 {
    margin: 0 0 18px;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: .02em;
  }
  .footer-col ul { list-style: none; margin: 0; padding: 0; }
  .footer-col li { margin-bottom: 12px; font-size: 15px; line-height: 1.7; }
  .footer-col a { color: rgba(255,255,255,.72); }
  .footer-col a:hover { color: var(--accent-400); }
  .footer-contact li { margin-bottom: 16px; }
  .footer-contact .k {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,.5);
    margin-bottom: 4px;
  }
  .footer-contact .v { color: rgba(255,255,255,.82); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.14);
    padding-top: 22px;
    padding-bottom: 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 13.5px;
    color: rgba(255,255,255,.55);
  }
  .footer-bottom p { margin: 0; }

  /* ---------- 移动端抽屉 ---------- */
  .nav-links.drawer-open {
    display: flex;
    position: fixed;
    top: 0; right: 0;
    height: 100vh;
    width: 78%;
    max-width: 320px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    background: var(--surface);
    padding: 84px 20px 24px;
    box-shadow: -14px 0 40px -20px rgba(16,32,28,.4);
    z-index: 90;
    overflow-y: auto;
  }
  .nav-links.drawer-open .nav-link {
    padding: 14px 12px;
    font-size: 16px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
  .nav-links.drawer-open .nav-link.active::after { display: none; }

  /* ---------- 响应式 ---------- */
  @media (max-width: 1023px) {
    .nav-inner { padding: 0 20px; }
    .nav-links { display: none; }
    .menu-btn { display: inline-flex; }
    .nav-cta { display: none; }
    .compare-top { grid-template-columns: minmax(0, 1fr); gap: 36px; }
    .figure-card img { height: 320px; }
    .stat-bar { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-item:nth-child(2) { border-right: none; }
    .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid var(--line); }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px; }
  }

  @media (max-width: 767px) {
    body { font-size: 16px; }
    .container { padding: 0 20px; }
    .page-hero { padding: 124px 0 64px; }
    .page-hero h1 { font-size: 31px; }
    .page-hero .lead { font-size: 16px; }
    .section { padding: 64px 0; }
    .section-tight { padding: 56px 0; }
    .section-title { font-size: 24px; }
    .figure-card img { height: 260px; }
    .dual-block { grid-template-columns: minmax(0, 1fr); gap: 20px; }
    .dual-card { padding: 24px; }
    .cta-band {
      flex-direction: column;
      align-items: flex-start;
      padding: 30px 24px;
      gap: 20px;
    }
    .cta-band h2 { font-size: 22px; }
    .cta-band .btn { width: 100%; }
    .faq-item summary { font-size: 16.5px; padding-right: 32px; }
    .faq-answer { padding-right: 16px; }
    .footer-grid { grid-template-columns: minmax(0, 1fr); }
    .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
    .site-footer { margin-top: 64px; padding-top: 56px; }
  }

  @media (max-width: 520px) {
    .stat-bar { grid-template-columns: minmax(0, 1fr); }
    .stat-item { border-right: none; border-bottom: 1px solid var(--line); }
    .stat-item:last-child { border-bottom: none; }
  }

/* roulang page: category4 */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06),0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC','Inter',sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-400);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -22px rgba(16,32,28,.55)}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .2s var(--ease);
}
.site-header.is-scrolled .nav-inner{height:56px}
.nav-left{display:flex;align-items:center;gap:36px;min-width:0}
.brand{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.brand-main{font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink-900)}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--ink-600);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;font-size:15px;color:var(--ink-600);padding:6px 0;white-space:nowrap;transition:color .18s var(--ease)}
.nav-link:hover{color:var(--brand-700)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--accent-400)}
.nav-right{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;color:var(--ink-600);cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background .18s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand-700);border-color:var(--brand-500);background:rgba(30,122,103,.06)}
.menu-btn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);place-items:center;color:var(--ink-900);cursor:pointer;
}
.menu-btn svg{width:20px;height:20px}
.menu-btn:hover{border-color:var(--brand-500);color:var(--brand-700)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-ghost:hover{background:rgba(15,76,67,.06)}
.btn-accent{background:var(--accent-400);color:#0B3A33}
.btn-accent:hover{background:#d9f95f;transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(11,58,51,.6)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

/* ============ 页头 ============ */
.page-hero{padding:56px 0 40px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-600);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--ink-600);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#b9c2bf}
.crumb .current{color:var(--ink-900);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--brand-500);background:rgba(30,122,103,.09);border-radius:999px;padding:6px 14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-400)}
h1{font-size:46px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-top:20px}
.hero-lead{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-600);max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-note{margin-top:18px;font-size:13.5px;color:var(--ink-600)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  box-shadow:var(--shadow-1);background:var(--line);
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;background:rgba(11,58,51,.88);color:#fff;
  border-radius:999px;padding:8px 16px;font-size:13px;letter-spacing:.04em;backdrop-filter:none;
}

/* ============ 数据条 ============ */
.stats{margin-top:56px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:26px 26px;border-left:1px solid var(--line)}
.stat:first-child{border-left:none}
.stat-num{font-size:30px;font-weight:700;color:var(--brand-700);line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-num small{font-size:15px;font-weight:600;margin-left:2px}
.stat-label{font-size:14px;color:var(--ink-600);margin-top:6px}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-title{font-size:30px;line-height:1.3;font-weight:700;position:relative;padding-left:16px;margin-top:10px}
.section-title::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--brand-700)}
.section-lead{margin-top:16px;color:var(--ink-600);font-size:16.5px;max-width:720px}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ============ 画廊 ============ */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:208px;gap:20px}
.g-card{
  position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;background:var(--surface);
  box-shadow:var(--shadow-1);transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.g-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);background:var(--line)}
.g-veil{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,58,51,.05) 30%,rgba(11,58,51,.86) 100%);
  transition:opacity .25s var(--ease),background .25s var(--ease);opacity:.92;
}
.g-body{position:absolute;left:0;right:0;bottom:0;padding:24px 26px;color:#fff;z-index:2}
.g-tag{
  display:inline-block;font-size:12px;letter-spacing:.06em;font-weight:600;
  background:var(--accent-400);color:#0B3A33;border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.g-body h3{font-size:20px;line-height:1.4;font-weight:600}
.g-body p{margin-top:8px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.82);max-height:0;overflow:hidden;opacity:0;transition:max-height .28s var(--ease),opacity .28s var(--ease),margin .28s var(--ease)}
.g-wide{grid-column:span 2}
.g-tall{grid-row:span 2}
@media (hover:hover){
  .g-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
  .g-card:hover img{transform:scale(1.03)}
  .g-card:hover .g-veil{background:linear-gradient(180deg,rgba(11,58,51,.35) 0%,rgba(11,58,51,.92) 100%)}
  .g-card:hover .g-body p{max-height:120px;opacity:1}
}
.g-card:focus-within{box-shadow:var(--shadow-2)}

/* ============ 场景列表 ============ */
.scene-list{border-top:1px solid var(--line)}
.scene-row{
  display:grid;grid-template-columns:56px 1.1fr 1.6fr 150px;gap:28px;align-items:center;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.scene-row:hover{background:rgba(30,122,103,.04)}
.scene-idx{font-size:14px;font-weight:700;color:var(--brand-500);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.scene-row h3{font-size:19px;font-weight:600;line-height:1.45}
.scene-row p{font-size:15.5px;color:var(--ink-600);line-height:1.8}
.scene-meta{font-size:13.5px;color:var(--ink-600);text-align:right}
.scene-meta strong{display:block;font-size:20px;color:var(--brand-700);font-variant-numeric:tabular-nums}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:flow}
.flow-item{position:relative;padding-top:26px;border-top:2px solid var(--line)}
.flow-item::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  position:absolute;top:-17px;left:0;background:var(--bg);padding-right:12px;
  font-size:14px;font-weight:700;color:var(--brand-700);letter-spacing:.08em;
}
.flow-item h3{font-size:18px;font-weight:600;margin-bottom:10px}
.flow-item p{font-size:15px;color:var(--ink-600);line-height:1.8}
.flow-item span.dur{display:inline-block;margin-top:14px;font-size:13px;color:var(--brand-500);border:1px solid var(--line);border-radius:999px;padding:3px 12px;background:var(--surface)}

/* ============ FAQ ============ */
.faq{max-width:900px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;cursor:pointer;list-style:none;font-size:17.5px;font-weight:600;line-height:1.6;
  transition:color .18s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-700)}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:22px;height:22px;margin-top:4px;border-radius:50%;
  border:1px solid var(--line);background:
    linear-gradient(var(--brand-700),var(--brand-700)) center/10px 2px no-repeat,
    linear-gradient(var(--brand-700),var(--brand-700)) center/2px 10px no-repeat;
  transition:transform .2s var(--ease),background-color .2s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 32px 24px 0;color:var(--ink-600);font-size:16px;line-height:1.85;max-width:800px}

/* ============ CTA ============ */
.cta-band{
  background:var(--brand-900);border-radius:18px;padding:44px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:27px;line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.75);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.45);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);margin-top:96px;padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:48px}
.footer-brand .brand-main{color:#fff;font-size:20px}
.footer-brand .brand-sub{color:rgba(255,255,255,.58)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.68);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:600;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.78);transition:color .18s var(--ease)}
.footer-col a:hover{color:var(--accent-400)}
.footer-contact li{display:flex;flex-direction:column;gap:2px}
.footer-contact .k{font-size:12.5px;color:rgba(255,255,255,.52);letter-spacing:.05em}
.footer-contact .v{font-size:14px;line-height:1.7}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);padding-top:22px;padding-bottom:26px;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-inner{padding:0 20px}
  .container{padding:0 20px}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
    background:var(--surface);flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;transform:translateX(102%);
    transition:transform .24s var(--ease);box-shadow:-18px 0 44px -26px rgba(16,32,28,.5);
    z-index:90;overflow-y:auto;
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-link{padding:15px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--brand-700)}
  .menu-btn{display:grid}
  h1{font-size:34px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual{order:-1}
  .hero-lead{max-width:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:1px solid var(--line)}
  .stat:nth-child(odd){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line)}
  .section{padding:72px 0}
  .section-title{font-size:25px}
  .gallery{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px}
  .g-wide{grid-column:span 2}
  .scene-row{grid-template-columns:44px 1fr;gap:12px;row-gap:10px}
  .scene-row p{grid-column:2}
  .scene-meta{grid-column:2;text-align:left}
  .scene-meta strong{display:inline;font-size:17px;margin-right:6px}
  .flow{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{padding:32px 28px}
}
@media (max-width:767px){
  .icon-btn{display:none}
  .section{padding:56px 0}
  .hero-visual img{aspect-ratio:16/11}
  .gallery{grid-template-columns:1fr;grid-auto-rows:240px}
  .g-wide{grid-column:span 1}
  .g-tall{grid-row:span 1}
  .g-body p{max-height:120px;opacity:1}
  .flow{grid-template-columns:1fr}
  .flow-item::before{background:var(--bg)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band h2{font-size:22px}
  .cta-actions .btn{width:100%}
  .faq-body{padding-right:0}
}
@media (max-width:520px){
  .nav-cta{min-height:40px;padding:0 14px;font-size:14px}
  h1{font-size:30px}
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr}
  .stat{border-left:none}
  .stat + .stat{border-top:1px solid var(--line)}
}

/* roulang page: category5 */
:root{
  --brand-900:#0B3A33;
  --brand-700:#0F4C43;
  --brand-500:#1E7A67;
  --accent-400:#CBF23F;
  --warm-500:#FF7A45;
  --ink-900:#14201D;
  --ink-600:#4A5A56;
  --line:#E3E8E5;
  --bg:#F7F8F5;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,32,28,.06),0 8px 24px -12px rgba(16,32,28,.12);
  --shadow-2:0 12px 28px -12px rgba(16,32,28,.20);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.9;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900);line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand-700);text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
.tnum{font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:none;box-shadow:var(--shadow-1);}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent;}
.btn-outline:hover{background:rgba(15,76,67,.06);}
.btn-accent{background:var(--accent-400);color:var(--brand-900);}
.btn-accent:hover{filter:brightness(.95);transform:translateY(-1px);}
.btn-accent:active{transform:none;}
.btn-ghost-light{border-color:rgba(255,255,255,.42);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);}
.btn:focus-visible,a:focus-visible,summary:focus-visible,.icon-btn:focus-visible,.menu-btn:focus-visible{
  outline:2px solid var(--accent-400);outline-offset:2px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:transparent;
  transition:background-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.scrolled{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);}
.nav-inner{
  width:100%;max-width:1200px;margin:0 auto;padding:0 32px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;
  transition:height .2s ease-out;
}
.site-header.scrolled .nav-inner{height:56px;}
.nav-left{display:flex;align-items:center;gap:40px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:12px;}
.brand{display:inline-flex;align-items:baseline;gap:6px;text-decoration:none;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--ink-900);}
.brand-sub{font-size:11px;font-weight:600;letter-spacing:.08em;color:var(--ink-600);}
.brand-light .brand-main{color:#fff;}
.brand-light .brand-sub{color:rgba(255,255,255,.72);}
.nav-links{display:flex;align-items:center;gap:28px;}
.nav-link{
  position:relative;padding:6px 0;font-size:15px;color:var(--ink-600);
  transition:color .18s ease-out;
}
.nav-link:hover{color:var(--brand-700);}
.nav-link.active{color:var(--brand-700);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--brand-700);
}
.icon-btn,.menu-btn{
  width:44px;height:44px;display:grid;place-items:center;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--ink-600);cursor:pointer;
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.icon-btn:hover,.menu-btn:hover{border-color:var(--brand-500);color:var(--brand-700);}
.icon-btn svg,.menu-btn svg{width:19px;height:19px;}
.menu-btn{display:none;}
.nav-mask{position:fixed;inset:0;background:rgba(11,32,28,.45);opacity:0;visibility:hidden;transition:opacity .2s ease-out;z-index:75;}
.nav-mask.show{opacity:1;visibility:visible;}

/* ---------- 页头 ---------- */
.page-hero{padding:52px 0 76px;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-600);margin-bottom:22px;}
.breadcrumb a{color:var(--brand-700);}
.breadcrumb a:hover{text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink-600);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;background:rgba(203,242,63,.45);
  color:var(--brand-900);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.1vw,46px);line-height:1.25;letter-spacing:-.01em;
}
.page-hero h1 em{font-style:normal;color:var(--brand-700);}
.lead{margin-top:20px;font-size:17px;line-height:1.9;color:var(--ink-600);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line);}
.hero-meta li{font-size:14px;color:var(--ink-600);}
.hero-meta b{display:block;font-size:22px;font-weight:800;color:var(--brand-700);line-height:1.4;}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-500);margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,31px);line-height:1.32;}
.section-head p{margin-top:16px;color:var(--ink-600);font-size:16px;line-height:1.9;}

/* ---------- 咨询方向卡 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.channel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.channel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(30,122,103,.35);}
.channel-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(15,76,67,.08);color:var(--brand-700);margin-bottom:18px;
}
.channel-icon svg{width:22px;height:22px;}
.channel-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.channel-card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--ink-600);}
.channel-card .tag{
  display:inline-block;margin-top:18px;padding:4px 10px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-600);font-size:12px;
}

/* ---------- 表单 + 侧栏 ---------- */
.consult-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:36px 34px;box-shadow:var(--shadow-1);
}
.form-card h2{font-size:24px;line-height:1.35;}
.form-card .form-intro{margin-top:12px;font-size:15px;color:var(--ink-600);line-height:1.85;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-top:22px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-900);margin-bottom:8px;}
.field .req{color:var(--warm-500);margin-left:2px;}
.input,.select,.textarea{
  width:100%;min-height:44px;padding:11px 14px;font-size:15px;font-family:inherit;
  color:var(--ink-900);background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.textarea{min-height:112px;line-height:1.8;resize:vertical;}
.input::placeholder,.textarea::placeholder{color:#9AA8A3;}
.input:hover,.select:hover,.textarea:hover{border-color:#CFD9D5;}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(30,122,103,.14);
}
.field-hint{margin-top:8px;font-size:13px;color:var(--ink-600);line-height:1.7;}
.form-foot{margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-foot .tip{font-size:13px;color:var(--ink-600);max-width:320px;line-height:1.7;}
.notice{
  padding:14px 16px;border-radius:var(--radius-btn);font-size:14px;line-height:1.7;margin-bottom:6px;
}
.notice-ok{background:rgba(30,122,103,.10);border:1px solid rgba(30,122,103,.28);color:var(--brand-700);}
.notice-warn{background:rgba(255,122,69,.10);border:1px solid rgba(255,122,69,.36);color:#A8401A;}

.side-stack{display:flex;flex-direction:column;gap:24px;}
.contact-card{
  background:var(--brand-900);color:rgba(255,255,255,.82);
  border-radius:var(--radius-card);padding:32px 30px;box-shadow:var(--shadow-1);
}
.contact-card h3{color:#fff;font-size:20px;font-weight:600;line-height:1.4;}
.contact-card > p{margin-top:12px;font-size:14px;line-height:1.85;}
.contact-list{margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.contact-list li{display:flex;flex-direction:column;gap:4px;}
.contact-list .k{font-size:12px;letter-spacing:.06em;color:var(--accent-400);font-weight:600;}
.contact-list .v{font-size:15px;color:#fff;line-height:1.7;}
.contact-card .btn{margin-top:26px;width:100%;}
.mini-faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 26px;box-shadow:var(--shadow-1);
}
.mini-faq h3{font-size:18px;font-weight:600;}
.mini-faq dl{margin-top:18px;display:flex;flex-direction:column;gap:18px;}
.mini-faq dt{font-size:15px;font-weight:600;color:var(--ink-900);line-height:1.6;}
.mini-faq dd{margin:8px 0 0;font-size:14px;color:var(--ink-600);line-height:1.85;}
.cover-card{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-1);
}
.cover-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-card .cap{padding:18px 22px 22px;}
.cover-card .cap strong{display:block;font-size:16px;font-weight:600;}
.cover-card .cap span{display:block;margin-top:6px;font-size:14px;color:var(--ink-600);line-height:1.8;}

/* ---------- 图文保障 ---------- */
.assure-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:center;}
.assure-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-1);}
.assure-copy h2{font-size:clamp(23px,2.8vw,30px);line-height:1.34;}
.assure-copy p{margin-top:16px;color:var(--ink-600);font-size:16px;line-height:1.9;max-width:600px;}
.check-list{margin-top:26px;display:flex;flex-direction:column;gap:14px;}
.check-list li{position:relative;padding-left:32px;font-size:15px;line-height:1.8;color:var(--ink-900);}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:18px;height:18px;border-radius:6px;
  background:rgba(203,242,63,.7);
  box-shadow:inset 0 0 0 1px rgba(15,76,67,.35);
}
.check-list li::after{
  content:"";position:absolute;left:5px;top:14px;width:8px;height:4px;
  border-left:2px solid var(--brand-900);border-bottom:2px solid var(--brand-900);transform:rotate(-45deg);
}

/* ---------- 流程条 ---------- */
.flow-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.flow-item{padding:32px 26px;border-left:1px solid var(--line);}
.flow-item:first-child{border-left:none;}
.flow-item .num{font-size:30px;font-weight:800;color:var(--brand-500);font-variant-numeric:tabular-nums;line-height:1.2;}
.flow-item h3{margin-top:12px;font-size:18px;font-weight:600;line-height:1.4;}
.flow-item p{margin-top:10px;font-size:14px;color:var(--ink-600);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.6;
  min-height:44px;transition:color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-700);}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:999px;
  display:grid;place-items:center;font-size:16px;font-weight:600;
  background:var(--bg);border:1px solid var(--line);color:var(--brand-700);
}
.faq-item[open] summary::after{content:"−";background:rgba(203,242,63,.6);border-color:rgba(15,76,67,.25);}
.faq-item .answer{padding:0 0 24px;color:var(--ink-600);font-size:15px;line-height:1.9;max-width:760px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);border-radius:18px;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);line-height:1.35;max-width:620px;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.74);font-size:15px;line-height:1.8;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px;transition:color .18s ease-out;}
.footer-col a:hover{color:var(--accent-400);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact .k{font-size:12px;letter-spacing:.05em;color:var(--accent-400);font-weight:600;}
.footer-contact .v{font-size:14px;color:rgba(255,255,255,.78);line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:20px;padding-bottom:28px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .nav-inner{padding:0 24px;}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 32px;transform:translateX(104%);
    transition:transform .26s ease-out;box-shadow:-12px 0 32px -16px rgba(16,32,28,.3);
    z-index:80;overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line);}
  .nav-link.active::after{display:none;}
  .menu-btn{display:grid;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .page-hero{padding:36px 0 60px;}
  .assure-grid{grid-template-columns:1fr;gap:32px;}
  .consult-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .flow-strip{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(3){border-left:none;}
  .flow-item:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:60px 0;}
  .section-head{margin-bottom:32px;}
  .channel-grid{grid-template-columns:1fr;}
  .field-row{grid-template-columns:1fr;}
  .form-card{padding:28px 22px;}
  .contact-card,.mini-faq{padding:26px 22px;}
  .cta-band{padding:32px 24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:639px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-inner{padding:0 20px;}
  .nav-cta{display:none;}
  .nav-left{gap:16px;}
  .brand-sub{display:none;}
  .flow-strip{grid-template-columns:1fr;}
  .flow-item{border-left:none;border-top:1px solid var(--line);padding:24px 0;}
  .flow-item:first-child{border-top:none;}
  .hero-actions .btn{width:100%;}
}