/* roulang page: index */
:root{
  --c-primary:#1E4D40;
  --c-primary-deep:#12302A;
  --c-primary-soft:#EDF1EC;
  --c-accent:#E0862F;
  --c-accent-hover:#C9721F;
  --c-accent-soft:#F2C879;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-text:#16211D;
  --c-text-muted:#55635E;
  --c-text-faint:#8A9691;
  --c-border:#E8E5DD;
  --c-border-strong:#DEDBD2;
  --c-danger:#B3442E;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --radius-card:14px;
  --radius-block:20px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(22,33,29,.04);
  --shadow-hover:0 10px 28px rgba(22,33,29,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
html body{
  margin:0;
  padding:0 0 76px;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  overflow-x:hidden;
}
body.ol-lock{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .25s ease;}
a:hover,a:focus{color:var(--c-accent-hover);}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,label:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;color:var(--c-text);}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-y{margin-top:-24px;}
.grid-margin-y>.cell{margin-top:24px;}

/* 顶部信息条 */
.ol-topbar{background:var(--c-primary);color:#E9F0EC;font-size:13px;line-height:1.6;}
.ol-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px;}
.ol-topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#D8E4DD;}
.ol-topbar-links{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.ol-topbar-links a{color:#E9F0EC;font-size:13px;}
.ol-topbar-links a:hover{color:var(--c-accent-soft);}

/* 主导航 */
.ol-header{position:sticky;top:0;z-index:60;background:#FFFFFF;border-bottom:1px solid var(--c-border);transition:box-shadow .25s ease;}
.ol-header.is-stuck{box-shadow:0 2px 12px rgba(22,33,29,.06);}
.ol-nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px;}
.ol-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.ol-brand-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--c-primary);flex:0 0 auto;}
.ol-brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:13px;height:2px;border-radius:2px;background:var(--c-accent);transform:rotate(-18deg);}
.ol-brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--c-text);white-space:nowrap;}
.ol-brand-text b{color:var(--c-primary);font-weight:800;}
.ol-menu{display:flex;align-items:center;gap:6px;}
.ol-menu a{position:relative;display:inline-block;padding:10px 14px;font-size:16px;font-weight:500;color:var(--c-text);border-radius:8px;}
.ol-menu a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left center;transition:transform .25s ease;}
.ol-menu a:hover{color:var(--c-primary);}
.ol-menu a:hover::after{transform:scaleX(1);}
.ol-menu a.is-active{font-weight:700;color:var(--c-primary);}
.ol-menu a.is-active::after{transform:scaleX(1);}
.ol-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.ol-hamburger{display:none;width:44px;height:44px;border:1px solid var(--c-border);border-radius:10px;background:#FFFFFF;align-items:center;justify-content:center;cursor:pointer;padding:0;}
.ol-hamburger span{display:block;width:18px;height:2px;background:var(--c-primary);border-radius:2px;position:relative;}
.ol-hamburger span::before,.ol-hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-primary);border-radius:2px;}
.ol-hamburger span::before{top:-6px;}
.ol-hamburger span::after{top:6px;}

/* 抽屉 */
.ol-drawer{display:none;position:fixed;top:0;left:0;right:0;height:100%;z-index:120;background:#FFFFFF;transform:translateY(-100%);transition:transform .3s ease;padding:20px;overflow-y:auto;}
.ol-drawer.is-open{transform:translateY(0);}
.ol-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.ol-drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--c-border);background:#FFFFFF;color:var(--c-primary);font-size:20px;line-height:1;cursor:pointer;padding:0;}
.ol-drawer-nav{display:block;margin-bottom:24px;}
.ol-drawer-nav a{display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-border);}
.ol-drawer-nav a.is-active{color:var(--c-primary);}
.ol-drawer-cta{display:block;text-align:center;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;border-radius:var(--radius-btn);font-size:16px;font-weight:700;line-height:1;border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;text-align:center;white-space:nowrap;}
.btn-primary{background:var(--c-accent);color:#FFFFFF;box-shadow:0 1px 2px rgba(22,33,29,.06);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-accent-hover);color:#FFFFFF;transform:translateY(-1px);box-shadow:0 10px 24px rgba(224,134,47,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-outline:hover,.btn-outline:focus{background:var(--c-primary);color:#FFFFFF;}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-ghost:hover,.btn-ghost:focus{background:#E1E9E2;color:var(--c-primary);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.55;pointer-events:none;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(30,77,64,.3);padding-bottom:2px;flex:0 0 auto;}
.link-more:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent);}
.link-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(30,77,64,.3);}
.link-text:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent);}

/* 徽章 */
.badge{display:inline-block;font-size:13px;line-height:1;padding:6px 10px;border-radius:999px;background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.badge-accent{background:#FBEBD6;color:#9A5714;}

/* Hero */
.hero{position:relative;background:var(--c-bg);padding:88px 0 96px;overflow:hidden;}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(224,134,47,.08) 0%,rgba(224,134,47,0) 68%);pointer-events:none;}
.hero-grid{position:relative;z-index:1;}
.hero-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-accent);background:#FBEBD6;border-radius:999px;padding:7px 14px;margin-bottom:20px;}
.hero h1{font-family:var(--font-serif);font-size:clamp(30px,4.6vw,52px);font-weight:700;line-height:1.28;letter-spacing:.01em;color:var(--c-text);margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.9;color:var(--c-text-muted);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:38px;}
.hero-stats li{padding:0 24px;border-left:1px solid var(--c-border-strong);}
.hero-stats li:first-child{padding-left:0;border-left:0;}
.hero-stats .num{display:block;font-size:20px;font-weight:800;color:var(--c-primary);line-height:1.3;font-variant-numeric:tabular-nums;}
.hero-stats .lab{display:block;font-size:13px;color:var(--c-text-faint);margin-top:4px;line-height:1.6;}
.hero-media{position:relative;margin:8px 0 0;}
.hero-media-frame{position:relative;border-radius:16px;overflow:hidden;background:var(--c-primary-soft);}
.hero-media-frame::before{content:"";position:absolute;left:-18px;top:22px;right:22px;bottom:-18px;border-radius:18px;background:var(--c-primary-soft);z-index:0;}
.hero-media-frame img{position:relative;z-index:1;width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:16px;background:var(--c-primary-soft);}
.float-card{position:absolute;z-index:3;background:#FFFFFF;border-radius:12px;padding:12px 16px;box-shadow:0 10px 26px rgba(22,33,29,.14);font-size:13px;line-height:1.6;color:var(--c-text-muted);}
.float-card strong{display:block;font-size:16px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;margin-bottom:2px;}
.float-card-a{left:-12px;bottom:26px;}
.float-card-b{right:-8px;top:26px;}

/* 板块通用 */
.section{padding:88px 0;}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-soft{background:var(--c-primary-soft);border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head-text{position:relative;padding-left:18px;}
.section-head-text::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--c-accent);}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;color:var(--c-text);margin-bottom:12px;}
.section-lead{font-size:16px;line-height:1.85;color:var(--c-text-muted);max-width:720px;}

/* 卖点三连 */
.feature-grid{align-items:stretch;}
.feature-main{height:100%;background:var(--c-primary-soft);border:1px solid var(--c-border);border-radius:var(--radius-card);padding:24px;display:flex;flex-direction:column;}
.feature-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:#FFFFFF;margin-bottom:20px;}
.feature-main h3{font-size:20px;font-weight:700;line-height:1.5;margin-bottom:12px;}
.feature-main ul{margin-bottom:18px;}
.feature-main li{position:relative;padding-left:18px;font-size:14px;line-height:1.75;color:var(--c-text-muted);margin-bottom:8px;}
.feature-main li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;border-radius:2px;background:var(--c-accent);}
.feature-main .link-text{margin-top:auto;}
.feature-item{height:100%;background:#FFFFFF;border:1px solid var(--c-border);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.feature-item:hover{transform:translateY(-2px);border-color:var(--c-accent-soft);box-shadow:var(--shadow-hover);}
.feature-num{display:block;font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--c-accent);margin-bottom:10px;font-variant-numeric:tabular-nums;}
.feature-item h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;}
.feature-item p{font-size:14px;line-height:1.75;color:var(--c-text-muted);margin-bottom:14px;}
.feature-duo .cell:nth-child(2) .feature-item{margin-top:24px;}
.feature-duo .cell:nth-child(3) .feature-item{margin-top:-8px;}
.feature-duo .cell:nth-child(4) .feature-item{margin-top:16px;}

/* 场景演示 */
.scene-tabs{display:grid;grid-template-columns:minmax(220px,280px) 1fr;gap:40px;align-items:start;}
.scene-tabs input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none;}
.scene-nav{display:flex;flex-direction:column;gap:10px;}
.scene-btn{display:block;padding:16px 18px;border-radius:12px;border-left:3px solid transparent;background:transparent;color:var(--c-text-muted);font-size:16px;font-weight:500;line-height:1.6;cursor:pointer;transition:all .25s ease;}
.scene-btn small{display:block;font-size:13px;color:var(--c-text-faint);font-weight:400;margin-top:4px;}
.scene-btn:hover{background:rgba(255,255,255,.6);color:var(--c-primary);}
#scene-1:checked ~ .scene-nav label[for="scene-1"],
#scene-2:checked ~ .scene-nav label[for="scene-2"],
#scene-3:checked ~ .scene-nav label[for="scene-3"]{background:#FFFFFF;border-left-color:var(--c-accent);color:var(--c-primary);font-weight:700;box-shadow:var(--shadow-card);}
#scene-1:checked ~ .scene-nav label[for="scene-1"] small,
#scene-2:checked ~ .scene-nav label[for="scene-2"] small,
#scene-3:checked ~ .scene-nav label[for="scene-3"] small{color:var(--c-text-muted);}
.scene-panel{display:none;}
#scene-1:checked ~ .scene-panels .scene-panel:nth-child(1),
#scene-2:checked ~ .scene-panels .scene-panel:nth-child(2),
#scene-3:checked ~ .scene-panels .scene-panel:nth-child(3){display:block;}
.scene-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px;background:#FFFFFF;}
.scene-panel h3{font-size:20px;font-weight:700;line-height:1.5;margin:22px 0 12px;}
.scene-panel p{font-size:15px;line-height:1.85;color:var(--c-text-muted);margin-bottom:14px;}
.point-list li{position:relative;padding-left:20px;font-size:14px;line-height:1.75;color:var(--c-text-muted);margin-bottom:8px;}
.point-list li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:2px;border-radius:2px;background:var(--c-accent);}

/* 最新信息 */
.news-grid{margin-bottom:-24px;}
.news-grid > .cell{margin-bottom:24px;}
.news-card{height:100%;background:#FFFFFF;border:1px solid var(--c-border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.news-card:hover{transform:translateY(-2px);border-color:var(--c-accent-soft);box-shadow:var(--shadow-hover);}
.news-card-link{display:block;height:100%;color:inherit;}
.news-card-link:hover{color:inherit;}
.news-card-media{position:relative;display:block;overflow:hidden;background:var(--c-primary-soft);}
.news-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .25s ease;}
.news-card:hover .news-card-media img{transform:scale(1.03);}
.news-card-media .badge{position:absolute;left:12px;top:12px;}
.news-card-body{display:block;padding:24px;}
.news-card-title{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-text);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-desc{font-size:14px;line-height:1.75;color:var(--c-text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--c-border);font-size:13px;color:var(--c-text-faint);font-variant-numeric:tabular-nums;}
.news-card-arrow{color:var(--c-accent);font-size:16px;transition:transform .25s ease;}
.news-card:hover .news-card-arrow{transform:translateX(3px);}
.news-empty{text-align:center;padding:56px 24px;background:#FFFFFF;border:1px dashed var(--c-border-strong);border-radius:var(--radius-card);}
.news-empty svg{width:40px;height:40px;margin-bottom:14px;stroke:var(--c-primary);fill:none;stroke-width:1.5;}
.news-empty p{font-size:15px;color:var(--c-text-muted);margin-bottom:18px;}

/* 社会认同 */
.section-social{background:var(--c-primary-deep);color:#E9F0EC;}
.section-social .section-title{color:#FFFFFF;}
.section-social .section-head-text::before{background:var(--c-accent);}
.section-social .section-lead{color:rgba(233,240,236,.72);}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:56px;}
.logo-chip{height:64px;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 12px;border:1px solid rgba(233,240,236,.18);border-radius:12px;color:rgba(233,240,236,.6);font-size:14px;line-height:1.5;filter:grayscale(1);transition:all .25s ease;}
.logo-chip:hover{color:#FFFFFF;border-color:var(--c-accent-soft);filter:grayscale(0);}
.quote-card{border-left:3px solid var(--c-accent);padding-left:20px;height:100%;}
.quote-card p{font-size:15px;line-height:1.8;color:rgba(233,240,236,.88);margin-bottom:18px;}
.quote-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:rgba(233,240,236,.62);}
.quote-avatar{width:36px;height:36px;border-radius:50%;background:rgba(233,240,236,.14);display:flex;align-items:center;justify-content:center;font-size:13px;color:#E9F0EC;flex:0 0 auto;}
.metric-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:56px;padding-top:40px;border-top:1px solid rgba(233,240,236,.16);}
.metric-row .num{display:block;font-size:28px;font-weight:800;color:#FFFFFF;line-height:1.3;font-variant-numeric:tabular-nums;}
.metric-row .lab{display:block;font-size:14px;color:rgba(233,240,236,.66);margin-top:4px;}

/* FAQ */
.faq-list{display:grid;gap:12px;}
.faq-item{background:#FFFFFF;border:1px solid var(--c-border);border-radius:12px;}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:16px 20px;font-size:16px;font-weight:700;color:var(--c-text);cursor:pointer;list-style:none;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";font-size:18px;line-height:1;color:var(--c-accent);flex:0 0 auto;transition:transform .25s ease;}
.faq-item[open] summary::after{content:"－";}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-muted);}

/* 结尾 CTA */
.cta-box{background:var(--c-primary);border-radius:var(--radius-block);padding:56px 40px;text-align:center;color:#FFFFFF;}
.cta-box h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;margin-bottom:14px;color:#FFFFFF;}
.cta-box p{font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);margin-bottom:28px;}
.cta-actions{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;}
.cta-actions .link-text{color:#F2C879;border-bottom-color:rgba(242,200,121,.5);font-size:15px;}
.cta-actions .link-text:hover{color:#FFFFFF;border-bottom-color:#FFFFFF;}

/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:rgba(233,240,236,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.8fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand-mark{position:relative;width:26px;height:26px;border-radius:8px;background:#FFFFFF;flex:0 0 auto;}
.footer-brand-mark::after{content:"";position:absolute;left:5px;right:5px;top:12px;height:2px;border-radius:2px;background:var(--c-accent);transform:rotate(-18deg);}
.footer-brand-text{font-size:17px;font-weight:800;color:#FFFFFF;letter-spacing:.02em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(233,240,236,.66);margin-bottom:16px;max-width:340px;}
.footer-kw{font-size:13px;line-height:1.8;color:rgba(233,240,236,.5);}
.footer-title{font-size:15px;font-weight:700;color:#FFFFFF;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;line-height:2;color:rgba(233,240,236,.72);}
.footer-links a:hover{color:var(--c-accent-soft);}
.footer-contact li{font-size:14px;line-height:2;color:rgba(233,240,236,.72);margin-bottom:10px;}
.footer-bottom{border-top:1px solid rgba(233,240,236,.14);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(233,240,236,.5);}
.footer-bottom a{color:rgba(233,240,236,.5);}
.footer-bottom a:hover{color:var(--c-accent-soft);}

/* 底部转化条 */
.bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:100;background:var(--c-primary-deep);border-top:1px solid rgba(233,240,236,.14);}
.bottom-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;}
.bottom-bar-text{font-size:14px;color:#E9F0EC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.bottom-bar .btn{flex:0 0 auto;}
.bottom-bar-close{display:none;}

@media (min-width:1024px){
  .bottom-bar{left:auto;right:24px;bottom:24px;width:340px;border-radius:14px;border:1px solid rgba(233,240,236,.16);box-shadow:0 12px 30px rgba(22,33,29,.24);}
  .bottom-bar-inner{height:auto;padding:16px;flex-wrap:wrap;gap:12px;}
  .bottom-bar-text{white-space:normal;line-height:1.6;font-size:13px;flex:1 1 100%;padding-right:24px;}
  .bottom-bar .btn{width:100%;}
  .bottom-bar-close{display:flex;position:absolute;right:8px;top:8px;width:28px;height:28px;align-items:center;justify-content:center;border:0;background:transparent;color:rgba(233,240,236,.6);font-size:16px;line-height:1;cursor:pointer;border-radius:6px;}
  .bottom-bar-close:hover{color:#FFFFFF;}
  .bottom-bar.is-hidden{display:none;}
}

/* 表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;text-align:left;}
.form-field{display:flex;flex-direction:column;}
.form-field label{font-size:14px;font-weight:700;color:var(--c-text);margin-bottom:8px;display:block;}
.form-field input,.form-field textarea{height:48px;border:1px solid var(--c-border-strong);border-radius:10px;background:#FFFFFF;padding:0 16px;font-size:16px;color:var(--c-text);transition:border-color .25s ease,box-shadow .25s ease;}
.form-field textarea{height:120px;padding:12px 16px;line-height:1.7;resize:vertical;}
.form-field input:focus,.form-field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(30,77,64,.14);}
.form-field input.is-error,.form-field textarea.is-error{border-color:var(--c-danger);}
.form-hint{font-size:13px;color:var(--c-danger);margin-top:6px;display:none;}
.form-field.has-error .form-hint{display:block;}
.form-note{font-size:13px;color:var(--c-text-faint);line-height:1.7;}
.form-success{display:none;margin-top:20px;padding:14px 18px;border-radius:10px;background:var(--c-primary-soft);color:var(--c-primary);font-size:14px;line-height:1.7;}
.form-success.is-show{display:block;}
.form-cta{margin-top:24px;text-align:left;}

@media (max-width:1023px){
  html body{font-size:16px;padding-bottom:76px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:72px 0;}
  .hero{padding:64px 0 72px;}
  .ol-menu,.ol-nav-right .btn{display:none;}
  .ol-hamburger{display:inline-flex;}
  .ol-drawer{display:block;}
  .scene-tabs{grid-template-columns:1fr;gap:24px;}
  .scene-nav{flex-direction:row;overflow-x:auto;padding-bottom:6px;}
  .scene-btn{flex:0 0 auto;min-width:180px;border-left:0;border-bottom:3px solid transparent;border-radius:10px;}
  #scene-1:checked ~ .scene-nav label[for="scene-1"],
  #scene-2:checked ~ .scene-nav label[for="scene-2"],
  #scene-3:checked ~ .scene-nav label[for="scene-3"]{border-left-color:transparent;border-bottom-color:var(--c-accent);}
  .logo-wall{display:flex;overflow-x:auto;gap:12px;padding-bottom:8px;}
  .logo-chip{flex:0 0 150px;}
  .metric-row{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .feature-duo .cell:nth-child(2) .feature-item,
  .feature-duo .cell:nth-child(3) .feature-item,
  .feature-duo .cell:nth-child(4) .feature-item{margin-top:0;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .hero{padding:48px 0 56px;}
  .hero-stats{margin-top:30px;}
  .hero-stats li{padding:0 16px;}
  .hero-stats .num{font-size:18px;}
  .hero-actions .btn{width:100%;}
  .cta-box{padding:40px 22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;}
  .news-card-body{padding:18px;}
  .feature-main,.feature-item{padding:18px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-desc{max-width:none;}
  .float-card{padding:10px 12px;font-size:12px;}
  .float-card strong{font-size:14px;}
  .float-card-a{left:8px;bottom:10px;}
  .float-card-b{right:8px;top:10px;}
  .metric-row{grid-template-columns:1fr 1fr;}
  .bottom-bar-inner{height:56px;}
  .bottom-bar-text{font-size:13px;}
}
@media print{
  .bottom-bar,.ol-drawer{display:none !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1E4D40;
  --c-primary-deep:#12302A;
  --c-primary-soft:#EDF1EC;
  --c-accent:#E0862F;
  --c-accent-hover:#C9721F;
  --c-accent-soft:#F2C879;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-text:#16211D;
  --c-text-muted:#55635E;
  --c-text-faint:#8A9691;
  --c-border:#E8E5DD;
  --c-border-strong:#DEDBD2;
  --c-danger:#B3442E;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(22,33,29,.04);
  --sh-2:0 10px 28px rgba(22,33,29,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:88px; --sp-10:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  padding-bottom:76px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;border-bottom:1px solid rgba(30,77,64,.25);transition:.25s ease;}
a:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--c-text);}
h1{font-family:var(--font-serif);font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.28;letter-spacing:.01em;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.35;}
h3{font-size:19px;font-weight:700;line-height:1.5;}
p{margin:0 0 1.15em;color:var(--c-text-muted);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.15em;padding-left:1.4em;}
li{line-height:1.85;}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%;}
.ol-header,.site-footer{font-family:var(--font-sans);}
/* 顶部信息条 */
.topbar{background:var(--c-primary);height:36px;display:flex;align-items:center;font-size:13px;color:#E9F0EC;}
.topbar .grid-container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#E9F0EC;}
.topbar-right{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-right a{color:#E9F0EC;border-bottom:1px solid rgba(233,240,236,.35);font-size:13px;}
.topbar-right a:hover{color:#F2C879;border-bottom-color:var(--c-accent-soft);}
/* 主导航 */
.ol-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:.25s ease;}
.ol-header.is-scrolled{box-shadow:0 2px 12px rgba(22,33,29,.06);}
.ol-nav{height:70px;display:flex;align-items:center;gap:28px;}
.ol-brand{display:flex;align-items:center;gap:10px;border-bottom:none;flex:0 0 auto;}
.ol-brand:hover{border-bottom:none;}
.ol-brand-mark{width:28px;height:28px;border-radius:8px;background:var(--c-primary);position:relative;display:inline-block;flex:0 0 auto;}
.ol-brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:13px;height:2px;background:var(--c-accent);border-radius:2px;transform:rotate(-24deg);}
.ol-brand-text{font-size:18px;font-weight:800;letter-spacing:.02em;color:var(--c-text);white-space:nowrap;}
.ol-brand-text b{color:var(--c-primary);}
.ol-menu{list-style:none;display:flex;align-items:center;gap:26px;margin:0;padding:0;flex:1 1 auto;}
.ol-menu li{margin:0;}
.ol-menu a{font-size:16px;font-weight:500;color:var(--c-text);border-bottom:2px solid transparent;padding:6px 0;display:inline-block;}
.ol-menu a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent);}
.ol-menu a.is-active{font-weight:700;color:var(--c-primary);border-bottom-color:var(--c-accent);}
.ol-nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.ol-hamburger{display:none;width:44px;height:44px;border:1px solid var(--c-border-strong);background:#fff;border-radius:var(--r-btn);position:relative;}
.ol-hamburger span,.ol-hamburger span::before,.ol-hamburger span::after{position:absolute;left:11px;width:20px;height:2px;background:var(--c-primary);border-radius:2px;content:"";transition:.25s ease;}
.ol-hamburger span{top:21px;}
.ol-hamburger span::before{top:-6px;left:0;}
.ol-hamburger span::after{top:6px;left:0;}
.ol-drawer{display:none;}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-btn);font-weight:700;border:1.5px solid transparent;transition:.25s ease;text-decoration:none;line-height:1.2;}
.btn-primary{background:var(--c-accent);color:#fff;height:52px;padding:0 28px;font-size:16px;}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(224,134,47,.28);}
.btn-primary:active{transform:none;box-shadow:none;}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary);height:52px;padding:0 26px;font-size:16px;}
.btn-outline:hover{background:var(--c-primary);color:#fff;}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary);height:44px;padding:0 20px;font-size:15px;}
.btn-ghost:hover{background:#E1E8E0;color:var(--c-primary);}
.btn:hover{border-bottom-width:1.5px;}
/* 面包屑 */
.breadcrumb{font-size:13px;color:var(--c-text-faint);padding:22px 0 0;line-height:1.6;}
.breadcrumb a{color:var(--c-text-muted);border-bottom:1px solid rgba(85,99,94,.28);}
.breadcrumb a:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent);}
.breadcrumb span.sep{margin:0 8px;color:var(--c-text-faint);}
.breadcrumb .cur{color:var(--c-text-faint);}
/* 页头区 */
.cat-hero{background:var(--c-primary-soft);border-bottom:1px solid var(--c-border);margin-top:18px;position:relative;overflow:hidden;}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 60px;max-width:640px;}
.cat-hero h1{color:var(--c-primary);margin-bottom:16px;}
.cat-hero .lead{font-size:17px;color:var(--c-text-muted);margin-bottom:26px;}
.cat-hero-visual{position:absolute;right:0;top:0;bottom:0;width:44%;z-index:1;}
.cat-hero-visual img{width:100%;height:100%;object-fit:cover;border-radius:0;opacity:.9;}
.cat-hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--c-primary-soft) 0%,rgba(237,241,236,.72) 42%,rgba(237,241,236,.18) 100%);}
.cat-stat{display:flex;gap:26px;margin-top:26px;flex-wrap:wrap;}
.cat-stat div{font-size:13px;color:var(--c-text-muted);}
.cat-stat b{display:block;font-size:22px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.3;}
/* tab条 */
.cat-tabs{position:sticky;top:70px;z-index:50;background:#fff;border-bottom:1px solid var(--c-border);}
.cat-tabs ul{list-style:none;display:flex;gap:30px;margin:0;padding:0;overflow-x:auto;}
.cat-tabs li{margin:0;white-space:nowrap;}
.cat-tabs a{display:inline-block;font-size:15px;font-weight:500;color:var(--c-text-muted);padding:16px 0;border-bottom:2px solid transparent;}
.cat-tabs a:hover{color:var(--c-primary);border-bottom-color:var(--c-accent-soft);}
.cat-tabs a.is-active{color:var(--c-primary);font-weight:700;border-bottom-color:var(--c-accent);}
/* 通用板块 */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{margin:0;position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--c-accent);}
.section-head .more{font-size:14px;white-space:nowrap;border-bottom:1px solid rgba(30,77,64,.25);}
/* 卡片 */
.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:.25s ease;}
.card:hover{transform:translateY(-2px);border-color:var(--c-accent-soft);box-shadow:var(--sh-2);}
.card-media{position:relative;background:var(--c-primary-soft);overflow:hidden;aspect-ratio:16/10;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:.25s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.card-body h3{font-size:17px;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--c-text-faint);font-variant-numeric:tabular-nums;}
.card-foot .go{color:var(--c-primary);font-weight:700;border-bottom:none;}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:4px 12px;font-size:13px;line-height:1.6;background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.badge-accent{background:#FBEBD8;color:#8C4F13;}
.card-media .badge{position:absolute;left:12px;top:12px;background:#fff;box-shadow:var(--sh-1);}
.link-arrow{font-size:14px;font-weight:600;border-bottom:1px solid rgba(30,77,64,.25);}
/* 主卡 / 竖卡 */
.feature-card{background:var(--c-primary-soft);border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;height:100%;}
.feature-card .card-media{aspect-ratio:16/9;}
.feature-card .fc-body{padding:28px;}
.feature-card h2{font-size:26px;margin-bottom:14px;}
.feature-card ul{margin:0 0 18px;padding-left:1.3em;color:var(--c-text-muted);font-size:15px;}
.feature-card li{margin-bottom:6px;}
.side-card{background:var(--c-primary-soft);border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;height:100%;}
.side-card h3{margin-bottom:14px;color:var(--c-primary);}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{font-size:14px;line-height:1.75;color:var(--c-text-muted);padding:10px 0 10px 18px;position:relative;border-bottom:1px dashed var(--c-border-strong);}
.side-list li:last-child{border-bottom:none;}
.side-list li::before{content:"";position:absolute;left:0;top:18px;width:6px;height:6px;border-radius:2px;background:var(--c-accent);}
/* 对照区 */
.compare{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-block);padding:40px;display:grid;grid-template-columns:1fr 1px 1fr;gap:40px;}
.compare-col h3{color:var(--c-primary);font-size:18px;margin-bottom:16px;}
.compare-col ul{list-style:none;margin:0;padding:0;}
.compare-col li{font-size:15px;color:var(--c-text-muted);padding:12px 0;border-bottom:1px solid var(--c-border);display:flex;gap:10px;}
.compare-col li:last-child{border-bottom:none;}
.compare-col li b{color:var(--c-accent);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.compare-divider{background:var(--c-border);}
/* FAQ */
.faq-item{background:#fff;border:1px solid var(--c-border);border-radius:12px;margin-bottom:12px;}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:10px 20px;font-size:16px;font-weight:700;color:var(--c-text);cursor:pointer;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{flex:0 0 auto;font-size:22px;line-height:1;color:var(--c-primary);transition:.25s ease;}
.faq-item[open] summary .ico{transform:rotate(45deg);color:var(--c-accent);}
.faq-body{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-muted);}
/* CTA */
.cta-band{background:var(--c-primary);border-radius:var(--r-block);padding:56px 40px;text-align:center;color:#fff;}
.cta-band h2{color:#fff;margin-bottom:12px;font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:#D7E3DC;max-width:640px;margin:0 auto 26px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:#F2C879;color:#F2C879;}
.cta-band .btn-outline:hover{background:#F2C879;color:var(--c-primary-deep);}
/* 页脚 */
.site-footer{background:var(--c-primary-deep);color:#D7E3DC;padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-mark{width:26px;height:26px;border-radius:8px;background:#1E4D40;position:relative;display:inline-block;}
.footer-brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:12px;height:2px;background:var(--c-accent);border-radius:2px;transform:rotate(-24deg);}
.footer-brand-text{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:#B9C9C2;margin-bottom:12px;}
.footer-kw{font-size:13px;color:#8FA79D;margin:0;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:#B9C9C2;}
.footer-links a{color:#B9C9C2;border-bottom:1px solid transparent;}
.footer-links a:hover{color:var(--c-accent-soft);border-bottom-color:var(--c-accent-soft);}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;justify-content:space-between;gap:16px;font-size:13px;color:#8FA79D;flex-wrap:wrap;}
/* 底部固定转化条 */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:80;background:var(--c-primary-deep);height:60px;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 16px;color:#fff;}
.sticky-cta span{font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sticky-cta .btn-primary{height:40px;padding:0 18px;font-size:14px;}
.sticky-cta-close{display:none;}
@media (min-width:1024px){
  body{padding-bottom:0;}
  .sticky-cta{left:auto;right:24px;bottom:24px;width:320px;height:auto;border-radius:var(--r-card);padding:16px 18px;flex-direction:column;align-items:flex-start;box-shadow:var(--sh-2);}
  .sticky-cta span{white-space:normal;font-size:14px;line-height:1.7;}
  .sticky-cta .btn-primary{width:100%;}
  .sticky-cta-close{display:block;position:absolute;right:10px;top:8px;background:transparent;border:none;color:#8FA79D;font-size:18px;line-height:1;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .ol-menu{display:none;}
  .ol-hamburger{display:block;}
  .ol-nav{justify-content:space-between;}
  .ol-nav-right .btn{display:none;}
  .ol-drawer{display:block;position:fixed;left:0;right:0;top:0;bottom:0;background:#fff;z-index:90;padding:24px;transform:translateY(-100%);transition:transform .3s ease;overflow-y:auto;}
  .ol-drawer.is-open{transform:translateY(0);}
  .ol-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
  .ol-drawer-close{width:44px;height:44px;border:1px solid var(--c-border-strong);background:#fff;border-radius:var(--r-btn);font-size:20px;color:var(--c-primary);}
  .ol-drawer ul{list-style:none;margin:0 0 24px;padding:0;}
  .ol-drawer li{margin:0;border-bottom:1px solid var(--c-border);}
  .ol-drawer li a{display:block;padding:16px 0;font-size:17px;font-weight:600;border-bottom:none;color:var(--c-text);}
  .ol-drawer li a.is-active{color:var(--c-primary);}
  .section{padding:72px 0;}
  .cat-hero-visual{width:100%;opacity:.16;}
  .cat-hero-visual::after{background:linear-gradient(180deg,rgba(237,241,236,.55) 0%,rgba(237,241,236,.95) 100%);}
  .cat-hero-inner{max-width:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .compare{grid-template-columns:1fr;gap:24px;padding:28px;}
  .compare-divider{height:1px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cat-tabs{top:62px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .topbar-left{display:none;}
  .topbar .grid-container{justify-content:flex-end;}
  .ol-nav{height:62px;}
  .section{padding:56px 0;}
  .cat-hero-inner{padding:40px 0 36px;}
  .cat-stat{gap:18px;}
  .card-body{padding:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:40px 20px;}
  .site-footer{padding-top:48px;}
}

/* roulang page: article */
:root{
  --c-primary:#1E4D40;
  --c-primary-deep:#12302A;
  --c-primary-soft:#EDF1EC;
  --c-accent:#E0862F;
  --c-accent-hover:#C9721F;
  --c-accent-soft:#F2C879;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-text:#16211D;
  --c-text-muted:#55635E;
  --c-text-faint:#8A9691;
  --c-border:#E8E5DD;
  --c-border-strong:#DEDBD2;
  --c-danger:#B3442E;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(22,33,29,.04);
  --sh-hover:0 10px 28px rgba(22,33,29,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.9;
  color:var(--c-text);
  background:var(--c-bg);
  padding-bottom:76px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{color:var(--c-accent-hover)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:.01em}
p{margin:0 0 1.15em}
ul,ol{margin:0}
.grid-container{max-width:1200px;padding-left:16px;padding-right:16px;margin:0 auto}
.grid-x{display:flex;flex-wrap:wrap}
.grid-x>.cell{width:100%}
@media (min-width:640px){.grid-container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){
  body{padding-bottom:0}
  .grid-container{padding-left:32px;padding-right:32px}
  .grid-x>.medium-6{width:50%}
  .grid-x>.large-4{width:33.3333%}
  .grid-x>.large-8{width:66.6667%}
}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}

/* ---------- 顶部导航 ---------- */
.ol-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s ease;
}
.ol-header.is-stuck{box-shadow:0 2px 12px rgba(22,33,29,.06)}
.ol-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.ol-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.ol-brand-mark{position:relative;display:inline-block;width:28px;height:28px;border-radius:8px;background:var(--c-primary)}
.ol-brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:13px;height:3px;border-radius:2px;background:var(--c-accent);transform:rotate(-18deg)}
.ol-brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-text);white-space:nowrap}
.ol-brand-text b{color:var(--c-primary)}
.ol-menu{display:flex;list-style:none;margin:0;padding:0;gap:30px}
.ol-menu a{position:relative;display:inline-block;padding:8px 0;font-size:16px;font-weight:500;color:var(--c-text)}
.ol-menu a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.ol-menu a:hover{color:var(--c-primary)}
.ol-menu a:hover::after{transform:scaleX(1)}
.ol-menu a.is-active{color:var(--c-primary);font-weight:700}
.ol-menu a.is-active::after{transform:scaleX(1)}
.ol-nav-right{display:flex;align-items:center;gap:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 28px;border-radius:var(--r-btn);border:0;
  font-size:16px;font-weight:700;line-height:1;cursor:pointer;
  transition:.25s ease;text-decoration:none;
}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,134,47,.28)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-outline{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-ghost:hover{background:#E1E8E1;color:var(--c-primary)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- 汉堡与移动抽屉 ---------- */
.ol-hamburger{
  position:relative;display:none;width:44px;height:44px;border:0;border-radius:10px;
  background:var(--c-primary-soft);cursor:pointer;
}
.ol-hamburger span{position:absolute;left:12px;right:12px;top:21px;height:2px;background:var(--c-primary)}
.ol-hamburger span::before,.ol-hamburger span::after{content:"";position:absolute;left:0;right:0;height:2px;background:var(--c-primary)}
.ol-hamburger span::before{top:-7px}
.ol-hamburger span::after{top:7px}
.ol-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;padding:24px 20px 32px;
  display:none;flex-direction:column;gap:6px;overflow:auto;
  transform:translateY(-100%);transition:transform .3s ease;
}
.ol-drawer.is-open{transform:translateY(0)}
.ol-drawer-title{font-size:13px;color:var(--c-text-faint);margin:8px 0 6px}
.ol-drawer a.ol-drawer-link{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--c-text);
  border-bottom:1px solid var(--c-border);
}
.ol-drawer a.ol-drawer-link.is-active{color:var(--c-primary)}
.ol-drawer .btn{margin-top:20px}
body.no-scroll{overflow:hidden}

@media (max-width:1023px){
  .ol-menu{display:none}
  .ol-hamburger{display:block}
  .ol-drawer{display:flex}
}
@media (min-width:1024px){
  .ol-drawer{display:none}
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--c-text-faint)}
.crumbs a{color:var(--c-text-muted)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{margin:0 8px;color:var(--c-text-faint)}

/* ---------- 文章头部 ---------- */
.article-head{border-bottom:1px solid var(--c-border);padding:26px 0 28px;margin-bottom:44px}
.article-head h1{
  font-family:var(--font-serif);
  font-size:clamp(28px,3.6vw,36px);
  font-weight:800;line-height:1.35;letter-spacing:.01em;
  max-width:760px;margin:16px 0 18px;
}
.badge{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--c-primary-soft);color:var(--c-primary);
}
.badge-accent{background:#FBEBD8;color:#9A5A12}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--c-text-faint);font-variant-numeric:tabular-nums}
.article-meta .dot{display:inline-block;width:4px;height:4px;border-radius:50%;background:var(--c-border-strong)}

/* ---------- 文章布局 ---------- */
.article-layout{padding-bottom:88px}
.article-body{max-width:760px;font-size:17px;line-height:1.95}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;
  margin:2em 0 .7em;padding-left:14px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--c-accent)}
.article-body h3{font-size:20px;font-weight:700;line-height:1.5;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.15em}
.article-body li{margin-bottom:.5em;line-height:1.85}
.article-body ul li::marker{color:var(--c-accent)}
.article-body ol li::marker{color:var(--c-accent);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;background:var(--c-primary-soft);
  border-left:4px solid #C3D2C8;border-radius:0 12px 12px 0;color:var(--c-text-muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-text-faint);text-align:center;margin-top:8px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(30,77,64,.35)}
.article-body a:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent)}
.article-body strong{color:var(--c-primary)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0}
.article-body th,.article-body td{border:1px solid var(--c-border-strong);padding:12px 14px;text-align:left}
.article-body th{background:var(--c-primary-soft);color:var(--c-primary)}

.empty-state{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;max-width:760px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{color:var(--c-text-muted);font-size:15px;margin-bottom:24px}

/* ---------- 侧栏 ---------- */
.side{position:static}
.side-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;margin-bottom:24px;box-shadow:var(--sh-card);
}
.side-card h2{font-size:16px;font-weight:700;margin-bottom:14px}
.side-list{list-style:none;margin:0;padding:0}
.side-list li{border-bottom:1px dashed var(--c-border)}
.side-list li:last-child{border-bottom:0}
.side-list a{display:block;padding:9px 0;font-size:14px;line-height:1.7;color:var(--c-text-muted)}
.side-list a:hover{color:var(--c-primary)}
.side-tip{font-size:14px;line-height:1.85;color:var(--c-text-muted);margin:0 0 18px}
.side-cta{background:var(--c-primary-soft);border-color:#DCE5DC}
.side-cta h2{color:var(--c-primary)}
@media (min-width:1024px){
  .side{position:sticky;top:94px}
}

/* ---------- 标签与翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:44px 0 0;max-width:760px}
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:30px;max-width:760px}
.pager a{
  display:block;background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:18px 22px;transition:.25s ease;
}
.pager a:hover{border-color:var(--c-accent-soft);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.pager .pager-label{font-size:13px;color:var(--c-text-faint)}
.pager .pager-title{
  margin-top:6px;font-size:16px;font-weight:700;color:var(--c-text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
@media (min-width:640px){
  .pager{grid-template-columns:1fr 1fr;gap:24px}
}

/* ---------- 相关推荐 ---------- */
.related{margin-top:64px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.related-head h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35}
.text-link{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(30,77,64,.35);padding-bottom:2px}
.text-link:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent)}
.card-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media (min-width:640px){.card-grid{grid-template-columns:1fr 1fr;gap:24px}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-card);transition:.25s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:var(--c-accent-soft)}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--c-primary-soft);overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.93)}
.post-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 22px}
.post-body h3{
  font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body h3 a{color:var(--c-text)}
.post-body h3 a:hover{color:var(--c-primary)}
.post-body p{
  font-size:14px;line-height:1.75;color:var(--c-text-muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--c-text-faint);font-variant-numeric:tabular-nums;
}
.post-meta .arrow{color:var(--c-accent);font-weight:700}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  margin:88px 0 0;border-radius:var(--r-block);padding:56px 32px;text-align:center;color:#fff;
  background-image:linear-gradient(rgba(30,77,64,.94),rgba(30,77,64,.94)),url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.4}
.cta-band p{max-width:560px;margin:14px auto 28px;font-size:16px;color:#CFE0D7;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-band .text-link{color:var(--c-accent-soft);border-bottom-color:rgba(242,200,121,.5)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#DDE8E2;margin-top:88px;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr;gap:36px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-mark{position:relative;display:inline-block;width:26px;height:26px;border-radius:7px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22)}
.footer-brand-mark::after{content:"";position:absolute;left:5px;right:5px;top:12px;height:2px;border-radius:2px;background:var(--c-accent)}
.footer-brand-text{font-size:18px;font-weight:800;color:#fff}
.footer-desc{font-size:14px;line-height:1.9;color:#AFC4BA;margin:0 0 14px}
.footer-kw{font-size:13px;color:#93A9A0;margin:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0}
.footer-links li,.footer-contact li{font-size:14px;line-height:2;color:#AFC4BA}
.footer-links a{color:#AFC4BA}
.footer-links a:hover{color:var(--c-accent-soft)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8A9691;
}

/* ---------- 底部固定转化条 ---------- */
.ol-sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:60px;padding:0 16px;background:var(--c-primary-deep);
}
.ol-sticky-cta .sticky-text{
  font-size:14px;color:#E9F0EC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.ol-sticky-cta .btn{height:40px;padding:0 18px;font-size:15px;flex-shrink:0}
.ol-sticky-close{display:none;position:absolute;right:8px;top:6px;width:24px;height:24px;border:0;background:transparent;color:#AFC4BA;font-size:16px;line-height:1;cursor:pointer}
@media (min-width:1024px){
  .ol-sticky-cta{
    left:auto;right:24px;bottom:24px;width:320px;height:auto;
    flex-direction:column;align-items:flex-start;gap:12px;
    padding:20px;border-radius:var(--r-card);
    box-shadow:0 14px 34px rgba(18,48,42,.28);
  }
  .ol-sticky-cta .sticky-text{white-space:normal;line-height:1.7}
  .ol-sticky-close{display:block}
  .ol-sticky-cta.is-hidden{display:none}
}

/* ---------- 移动端细节 ---------- */
@media (max-width:639px){
  body{font-size:16px}
  .ol-nav{height:62px;gap:12px}
  .ol-brand-text{font-size:16px}
  .ol-nav-right .btn-sm{display:none}
  .article-head{padding:20px 0 22px;margin-bottom:32px}
  .article-body{font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .cta-band{padding:40px 20px;margin-top:64px}
  .site-footer{margin-top:64px;padding:56px 0 24px}
  .pager a{padding:16px 18px}
}

/* roulang page: category2 */
:root{
  --c-primary:#1E4D40;
  --c-primary-deep:#12302A;
  --c-primary-soft:#EDF1EC;
  --c-accent:#E0862F;
  --c-accent-hover:#C9721F;
  --c-accent-soft:#F2C879;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-text:#16211D;
  --c-text-muted:#55635E;
  --c-text-faint:#8A9691;
  --c-border:#E8E5DD;
  --c-border-strong:#DEDBD2;
  --c-danger:#B3442E;
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(22,33,29,.04);
  --sh-hover:0 10px 28px rgba(22,33,29,.10);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sp-8:8px;--sp-12:12px;--sp-16:16px;--sp-24:24px;--sp-32:32px;--sp-48:48px;--sp-64:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;padding-bottom:76px;font-family:var(--font-sans);font-size:17px;line-height:1.9;color:var(--c-text);background:var(--c-bg);-webkit-font-smoothing:antialiased}
body.ol-lock{overflow:hidden}
img{max-width:100%;display:block;height:auto}
h1,h2,h3,h4{margin:0 0 .6em;font-family:var(--font-sans);font-weight:700;line-height:1.35;color:var(--c-text)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0}
a{color:var(--c-primary);text-decoration:none;border-bottom:1px solid rgba(30,77,64,.24);transition:color .25s ease,border-color .25s ease,background-color .25s ease,transform .25s ease,box-shadow .25s ease}
a:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent)}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
section[id],div[id]{scroll-margin-top:96px}
::selection{background:var(--c-accent-soft);color:var(--c-text)}

/* ---------- 顶部信息条 ---------- */
.ol-topbar{background:var(--c-primary);color:#E9F0EC;font-size:13px;line-height:1.6}
.ol-topbar .grid-container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px}
.ol-topbar-tip{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#C9DAD3}
.ol-topbar-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.ol-topbar-actions a{color:#E9F0EC;border-bottom:1px solid rgba(233,240,236,.35);font-size:13px}
.ol-topbar-actions a:hover{color:var(--c-accent-soft);border-bottom-color:var(--c-accent-soft)}

/* ---------- 主导航 ---------- */
.ol-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-border);transition:box-shadow .25s ease}
.ol-header.is-scrolled{box-shadow:0 2px 12px rgba(22,33,29,.06)}
.ol-nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.ol-brand{display:flex;align-items:center;gap:10px;border-bottom:0;flex-shrink:0}
.ol-brand-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--c-primary);flex-shrink:0}
.ol-brand-mark::after{content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;background:var(--c-accent);transform:translateY(-50%) rotate(-14deg);border-radius:2px}
.ol-brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--c-text);white-space:nowrap}
.ol-brand-text b{color:var(--c-primary);font-weight:800}
.ol-menu{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}
.ol-menu a{position:relative;display:inline-block;padding:6px 0;font-size:16px;font-weight:500;color:var(--c-text);border-bottom:0}
.ol-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.ol-menu a:hover{color:var(--c-primary)}
.ol-menu a:hover::after{transform:scaleX(1)}
.ol-menu a.is-active{font-weight:700;color:var(--c-primary)}
.ol-menu a.is-active::after{transform:scaleX(1)}
.ol-nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.ol-hamburger{display:none;width:44px;height:44px;border:1px solid var(--c-border-strong);border-radius:var(--r-btn);background:#fff;position:relative;cursor:pointer;padding:0}
.ol-hamburger span,.ol-hamburger span::before,.ol-hamburger span::after{position:absolute;left:50%;width:20px;height:2px;background:var(--c-primary);border-radius:2px;transform:translateX(-50%);transition:.25s ease}
.ol-hamburger span{top:50%;margin-top:-1px}
.ol-hamburger span::before{content:"";left:0;transform:none;top:-6px}
.ol-hamburger span::after{content:"";left:0;transform:none;top:6px}

/* ---------- 移动抽屉 ---------- */
.ol-drawer{position:fixed;inset:0;z-index:90;background:#fff;padding:20px 24px 40px;transform:translateY(-100%);transition:transform .3s ease;overflow-y:auto;display:flex;flex-direction:column;gap:20px}
.ol-drawer.is-open{transform:translateY(0)}
.ol-drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-border)}
.ol-drawer-close{width:44px;height:44px;border:1px solid var(--c-border-strong);background:#fff;border-radius:var(--r-btn);font-size:22px;line-height:1;color:var(--c-primary);cursor:pointer}
.ol-drawer-menu{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.ol-drawer-menu li{border-bottom:1px solid var(--c-border)}
.ol-drawer-menu a{display:flex;align-items:center;min-height:56px;font-size:17px;font-weight:500;color:var(--c-text);border-bottom:0}
.ol-drawer-menu a.is-active{color:var(--c-primary);font-weight:700;box-shadow:inset 3px 0 0 var(--c-accent);padding-left:14px}
.ol-drawer-contact{font-size:13px;color:var(--c-text-muted);margin:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:52px;padding:0 28px;border:0;border-radius:var(--r-btn);font-family:var(--font-sans);font-size:16px;font-weight:700;line-height:1;cursor:pointer;text-align:center;border-bottom:0;transition:background-color .25s ease,color .25s ease,transform .25s ease,box-shadow .25s ease}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 2px 8px rgba(224,134,47,.24)}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(224,134,47,.30);border-bottom-color:transparent}
.btn-primary:active{transform:none;box-shadow:0 2px 6px rgba(224,134,47,.24)}
.btn-outline{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-ghost:hover{background:#E1E9E3;color:var(--c-primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled]{opacity:.55;pointer-events:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);border-bottom:1px solid rgba(30,77,64,.28)}
.text-link:hover{color:var(--c-accent-hover);border-bottom-color:var(--c-accent)}
.text-link::after{content:"→";font-weight:700;transition:transform .25s ease}
.text-link:hover::after{transform:translateX(3px)}
.badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:13px;line-height:1.6;font-weight:700;background:var(--c-primary-soft);color:var(--c-primary)}
.badge-accent{background:#FBEEE0;color:#A75F17}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--c-bg);border-bottom:1px solid var(--c-border)}
.crumb-bar .grid-container{padding-top:14px;padding-bottom:14px}
.crumb{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13px;color:var(--c-text-faint)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--c-text-faint)}
.crumb a{color:var(--c-text-muted);border-bottom:0}
.crumb a:hover{color:var(--c-primary)}
.crumb .is-current{color:var(--c-text-faint)}

/* ---------- 深色页头 ---------- */
.page-hero{background:var(--c-primary);color:#fff;padding:56px 0}
.page-hero h1{font-family:var(--font-serif);font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.28;letter-spacing:.01em;color:#fff;margin-bottom:.5em;max-width:16em}
.page-hero-sub{font-size:17px;line-height:1.8;color:#C9DAD3;margin-bottom:20px;max-width:34em}
.page-hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.page-hero .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.page-hero .btn-outline:hover{background:#fff;color:var(--c-primary);border-color:#fff}
.hero-metrics{display:flex;gap:36px;flex-wrap:wrap}
.metric{border-left:2px solid rgba(255,255,255,.18);padding-left:16px}
.metric-num{display:block;font-size:30px;font-weight:800;line-height:1.2;color:var(--c-accent-soft);font-variant-numeric:tabular-nums}
.metric-label{display:block;font-size:13px;color:#B9CCC4;line-height:1.6}

/* ---------- 主体两栏 ---------- */
.cat2-body{padding:88px 0}
.side-index{position:sticky;top:96px}
.index-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-card)}
.index-card h2{font-size:15px;font-weight:700;margin:0 0 12px;padding-left:10px;position:relative}
.index-card h2::before{content:"";position:absolute;left:0;top:.35em;width:3px;height:14px;background:var(--c-accent);border-radius:2px}
.index-list{list-style:none;margin:0;padding:0}
.index-list li{margin-bottom:2px}
.index-list a{display:block;padding:9px 10px 9px 12px;font-size:14px;line-height:1.6;color:var(--c-text-muted);border-bottom:0;border-left:3px solid transparent;border-radius:6px}
.index-list a:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.index-list a.is-current{color:var(--c-primary);font-weight:700;border-left-color:var(--c-accent);background:var(--c-primary-soft)}
.index-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--c-border);font-size:13px;line-height:1.75;color:var(--c-text-faint)}

.story{padding:0 0 48px;margin-bottom:48px;border-bottom:1px solid var(--c-border)}
.story:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
.story-row{display:flex;flex-wrap:wrap;align-items:center;margin-left:-16px;margin-right:-16px}
.story-col{padding-left:16px;padding-right:16px}
.story-media{overflow:hidden;border-radius:var(--r-img);background:var(--c-primary-soft);aspect-ratio:16/10}
.story-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.story:hover .story-media img{transform:scale(1.03)}
.story h2{position:relative;font-size:clamp(24px,3vw,34px);line-height:1.35;padding-left:16px;margin-bottom:.7em}
.story h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;background:var(--c-accent);border-radius:2px}
.story p{max-width:760px}
.points{list-style:none;margin:18px 0 20px;padding:0}
.points li{position:relative;padding-left:18px;margin-bottom:8px;font-size:15px;line-height:1.8;color:var(--c-text-muted)}
.points li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--c-accent)}
.story-tag{display:inline-block;margin-bottom:14px}

/* ---------- FAQ ---------- */
.faq-block{padding:8px 0 0}
.faq-title{font-size:clamp(24px,3vw,34px);position:relative;padding-left:16px;margin-bottom:24px}
.faq-title::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;background:var(--c-accent);border-radius:2px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:12px 20px;font-size:16px;font-weight:700;color:var(--c-text);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";flex-shrink:0;font-size:18px;font-weight:700;color:var(--c-primary);transition:color .25s ease}
.faq-item[open] summary{color:var(--c-primary)}
.faq-item[open] summary::after{content:"－";color:var(--c-accent)}
.faq-answer{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--c-text-muted)}
.faq-answer p{margin-bottom:.8em}

/* ---------- 深色引用条带 ---------- */
.quote-band{background:var(--c-primary-deep);color:#EAF2EE;padding:48px 0}
.quote-band blockquote{margin:0;border-left:3px solid var(--c-accent);padding-left:20px;font-size:17px;line-height:1.85;color:#EAF2EE;max-width:820px}
.quote-band cite{display:block;margin-top:14px;font-style:normal;font-size:13px;color:#93A9A0}

/* ---------- 结尾 CTA ---------- */
.cta-band{padding:88px 0}
.cta-box{background:var(--c-primary);border-radius:var(--r-block);padding:56px;text-align:center;color:#fff}
.cta-box h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:.4em}
.cta-box p{color:#C9DAD3;max-width:640px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.cta-box .btn-outline{border-color:rgba(255,255,255,.55);color:#fff}
.cta-box .btn-outline:hover{background:#fff;color:var(--c-primary);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-deep);color:#D7E3DD;padding:64px 0 24px;font-size:14px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-mark{width:26px;height:26px;border-radius:8px;background:var(--c-accent);flex-shrink:0;position:relative}
.footer-brand-mark::after{content:"";position:absolute;left:5px;right:5px;top:50%;height:2px;background:var(--c-primary-deep);transform:translateY(-50%) rotate(-14deg);border-radius:2px}
.footer-brand-text{font-size:17px;font-weight:800;color:#fff;letter-spacing:.02em}
.footer-desc{color:#B9CCC4;line-height:1.8;margin-bottom:12px}
.footer-kw{color:#8FA79E;font-size:13px;line-height:1.7;margin:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-links{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:12px;line-height:1.7}
.footer-links a{color:#D7E3DD;border-bottom:0;font-size:14px}
.footer-links a:hover{color:var(--c-accent-soft)}
.footer-contact{list-style:none;margin:0;padding:0;color:#B9CCC4;line-height:2}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8FA79E}

/* ---------- 底部固定转化条 ---------- */
.float-cta{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--c-primary-deep);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;min-height:60px;transition:transform .3s ease,opacity .3s ease}
.float-cta.is-hidden{transform:translateY(120%);opacity:0;pointer-events:none}
.float-cta-text{font-size:14px;line-height:1.4;color:#E4EDE8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.float-cta-close{display:none;width:28px;height:28px;border-radius:6px;border:0;background:rgba(255,255,255,.12);color:#fff;cursor:pointer;font-size:15px;line-height:1}
.float-cta .btn{flex-shrink:0;height:40px;padding:0 18px;font-size:14px}
body.no-float{padding-bottom:0}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat2-body{padding:72px 0}
  .cta-band{padding:72px 0}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px}
  .ol-menu{display:none}
  .ol-nav-right .btn{display:none}
  .ol-hamburger{display:block}
  .cat2-body{padding:64px 0}
  .side-index{position:static;margin-bottom:32px}
  .index-card{padding:16px}
  .cta-box{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .story{padding-bottom:36px;margin-bottom:36px}
}
@media (min-width:1024px){
  .ol-drawer{display:none}
  .float-cta{left:auto;right:24px;bottom:24px;width:320px;min-height:0;border-radius:var(--r-card);padding:18px;flex-direction:column;align-items:stretch;gap:12px;box-shadow:0 12px 32px rgba(22,33,29,.22)}
  .float-cta.is-hidden{transform:translateY(20px)}
  .float-cta-text{white-space:normal;font-size:14px;line-height:1.65}
  .float-cta-close{display:block;position:absolute;top:10px;right:10px}
  .float-cta{position:fixed}
  .float-cta-inner{display:flex;flex-direction:column;gap:12px}
  .float-cta .btn{width:100%}
  .site-footer{padding-bottom:104px}
}
@media (max-width:767px){
  .ol-topbar .grid-container{justify-content:flex-end}
  .ol-topbar-tip{display:none}
  .grid-container{padding-left:16px;padding-right:16px}
  body{font-size:16px}
  .page-hero{padding:40px 0}
  .hero-metrics{gap:20px}
  .metric{padding-left:12px}
  .metric-num{font-size:22px}
  .cta-band{padding:56px 0}
  .cat2-body{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .faq-item summary{font-size:15px;padding:12px 16px}
  .faq-answer{padding:0 16px 16px}
  .ol-brand-text{font-size:17px}
}
@media (forced-colors:active){
  .btn,.badge,.index-card,.faq-item{border:1px solid CanvasText}
}