/* roulang page: index */
:root{
  --primary:#0E4A42;
  --primary-dark:#0A3630;
  --secondary:#1E6B60;
  --accent:#C98A2E;
  --accent-dark:#B57A24;
  --slate:#44707A;
  --bg:#F6F2EA;
  --bg-soft:#FBF9F4;
  --card:#FFFFFF;
  --dark:#0C1F1C;
  --text:#16211F;
  --muted:#5A6A66;
  --line:#E3DCD0;
  --ok:#2F7D5B;
  --warn:#C98A2E;
  --danger:#B54A3A;
  --info:#44707A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,31,28,.05);
  --sh-2:0 10px 28px rgba(12,31,28,.10);
  --wrap:1200px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","思源宋体",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;font-family:var(--font-sans);font-size:16.5px;line-height:1.75;color:var(--text);background:var(--bg);}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:.01em;line-height:1.28;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;scroll-margin-top:88px;}
.section-soft{background:var(--bg-soft);}
.section-dark{background:var(--dark);color:#D9E3E0;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.08em;color:var(--secondary);background:#E8F0EE;border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;}
.sec-title{font-size:clamp(24px,3vw,36px);}
.sec-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:700px;}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .2s ease,transform .2s ease,box-shadow .2s ease,color .2s ease;white-space:nowrap;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:#F0EDE5;color:var(--primary);}
.btn-ghost:hover{background:#E6E1D5;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease;}
.site-header.scrolled{box-shadow:0 6px 20px rgba(12,31,28,.08);}
.nav-inner{display:flex;align-items:center;gap:20px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{position:relative;width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,var(--primary),var(--secondary));flex:0 0 36px;}
.logo-mark::before{content:"";position:absolute;left:7px;top:9px;width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.9);}
.logo-mark::after{content:"";position:absolute;right:7px;bottom:9px;width:9px;height:9px;border-radius:50%;background:rgba(201,138,46,.95);}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-family:var(--font-serif);font-size:17px;letter-spacing:.01em;}
.logo-text span{font-size:11px;color:var(--muted);letter-spacing:.08em;}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--muted);transition:color .2s ease,background .2s ease;}
.nav-link:hover{color:var(--primary);background:#F0EDE5;}
.nav-link.active{color:var(--primary);font-weight:600;}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;background:var(--primary);border-radius:2px;}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{display:flex;align-items:center;gap:8px;width:250px;height:38px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:#FAF8F3;transition:border-color .2s ease,box-shadow .2s ease;margin:0;}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,74,66,.14);}
.search-box input{flex:1;min-width:0;border:0;background:transparent;font-size:14px;outline:none;}
.search-box input::placeholder{color:#9AA8A4;}
.kbd{font-size:11px;padding:2px 6px;border:1px solid var(--line);border-radius:6px;color:var(--muted);background:#fff;font-family:ui-monospace,monospace;}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;color:var(--primary);transition:.2s;}
.icon-btn:hover{background:#F0EDE5;border-color:#D9D2C4;}
.burger{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--primary);}
.burger:hover{background:#F0EDE5;}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(12,31,28,.45);z-index:110;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;background:#fff;z-index:120;transform:translateX(102%);transition:transform .28s ease;padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:16px;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav a{display:block;padding:14px 12px;border-radius:10px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a:hover{background:#F6F2EA;color:var(--primary);}
.drawer-nav a.active{color:var(--primary);font-weight:600;background:#EFF4F2;}
.drawer-cta{margin-top:auto;}

/* Hero */
.hero{position:relative;padding:76px 0 84px;background:linear-gradient(180deg,#FCFAF6 0%,var(--bg) 100%);overflow:hidden;}
.hero::before{content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(30,107,96,.14),rgba(30,107,96,0) 70%);}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:52px;align-items:center;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);background:#E8F0EE;border-radius:var(--r-pill);padding:6px 14px;margin-bottom:20px;}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:block;}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.2;}
.hero h1 .mark{display:inline-block;border-bottom:4px solid var(--accent);padding-bottom:2px;}
.hero-sub{margin-top:20px;font-size:18px;color:var(--muted);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;margin-top:34px;font-size:14.5px;color:var(--muted);}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px;}
.cred-card{position:relative;border-radius:20px;overflow:hidden;min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat #0E4A42;box-shadow:var(--sh-2);}
.cred-card::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,31,28,.24) 0%,rgba(12,31,28,.86) 100%);}
.cred-card>*{position:relative;z-index:1;}
.punch{position:absolute;left:-11px;top:0;bottom:0;width:22px;display:flex;flex-direction:column;justify-content:space-evenly;z-index:3;}
.punch i{width:22px;height:22px;border-radius:50%;background:var(--bg);display:block;}
.cred-top{position:absolute;left:30px;top:26px;right:30px;z-index:2;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;letter-spacing:.1em;color:rgba(255,255,255,.82);}
.cred-title{font-family:var(--font-serif);font-size:24px;margin-bottom:10px;}
.cred-note{font-size:14.5px;color:rgba(255,255,255,.82);}
.cred-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:22px;}
.cred-facts div{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:12px 10px;text-align:center;}
.cred-facts b{display:block;font-family:var(--font-serif);font-size:19px;}
.cred-facts span{font-size:12.5px;color:rgba(255,255,255,.78);}

/* 卖点：1 大 3 小 */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-template-areas:"big big s1" "big big s2" "big big s3";gap:24px;}
.value-big{grid-area:big;display:flex;flex-direction:column;gap:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:32px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease;}
.value-big:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.value-big img{border-radius:var(--r-img);border:1px solid var(--line);aspect-ratio:16/9;object-fit:cover;width:100%;background:#EFEBE2;}
.value-big h3{font-size:22px;}
.value-big p{color:var(--muted);font-size:15.5px;}
.value-mini{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;}
.value-mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6CDBE;}
.value-mini b{display:block;font-family:var(--font-serif);font-size:17px;margin-bottom:8px;}
.value-mini span{display:block;color:var(--muted);font-size:14.5px;}
.value-mini .dot{width:30px;height:30px;border-radius:9px;background:#E8F0EE;color:var(--primary);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;margin-bottom:14px;}

/* 流程 */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;}
.tl-item{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px 20px;box-shadow:var(--sh-1);}
.tl-item::after{content:"";position:absolute;top:44px;left:100%;width:20px;border-top:2px dashed #C8DCD6;}
.tl-item:last-child::after{display:none;}
.tl-num{width:40px;height:40px;border-radius:50%;background:#E8F0EE;color:var(--primary);font-family:var(--font-serif);font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}
.tl-item b{display:block;font-size:16.5px;margin-bottom:6px;}
.tl-item span{color:var(--muted);font-size:14.5px;}
.demo-panel{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,6fr);gap:32px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--sh-1);}
.demo-panel img{border-radius:var(--r-img);border:1px solid var(--line);width:100%;aspect-ratio:16/10;object-fit:cover;background:#EFEBE2;}
.demo-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);}
.demo-list li:last-child{border-bottom:0;padding-bottom:0;}
.demo-list .idx{flex:0 0 28px;width:28px;height:28px;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;font-family:ui-monospace,monospace;}
.demo-list b{display:block;font-size:16px;}
.demo-list span{color:var(--muted);font-size:14.5px;}

/* 数据与评价 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:44px;}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.stat .num{font-family:var(--font-serif);font-size:31px;color:var(--primary);line-height:1.15;}
.stat .lab{margin-top:8px;color:var(--muted);font-size:14.5px;}
.reviews{display:flex;flex-direction:column;}
.review{display:flex;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);}
.review:first-child{border-top:1px solid var(--line);}
.avatar{flex:0 0 48px;width:48px;height:48px;border-radius:50%;background:#E8F0EE;color:var(--primary);display:flex;align-items:center;justify-content:center;font-family:var(--font-serif);font-weight:700;font-size:18px;}
.review-body p{font-size:15.5px;}
.review-meta{margin-top:8px;font-size:13px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;}
.review-meta em{font-style:normal;color:#9AA8A4;}

/* 方案对照 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px 24px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.plan:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.plan.hot{border-color:var(--primary);box-shadow:var(--sh-2);transform:translateY(-6px);}
.plan.hot:hover{transform:translateY(-8px);}
.plan .badge-hot{position:absolute;top:-13px;left:24px;background:var(--accent);color:#fff;font-size:12px;padding:4px 13px;border-radius:var(--r-pill);letter-spacing:.04em;}
.plan h3{font-size:19px;margin-bottom:6px;}
.plan .plan-sub{color:var(--muted);font-size:14px;margin-bottom:18px;}
.plan li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:15px;}
.plan li:last-child{border-bottom:0;}
.yes{color:var(--ok);font-weight:700;font-family:ui-monospace,monospace;}
.no{color:#B8B0A2;font-family:ui-monospace,monospace;}
.plan .plan-foot{margin-top:18px;}
.plan-note{margin-top:22px;font-size:13.5px;color:var(--muted);background:#F0EDE5;border-radius:10px;padding:14px 18px;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{display:grid;grid-template-columns:180px minmax(0,1fr);gap:18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.news-thumb{position:relative;border-radius:var(--r-img);overflow:hidden;background:#EFEBE2;aspect-ratio:16/9;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.03);}
.news-tag{position:absolute;left:8px;top:8px;background:rgba(14,74,66,.92);color:#fff;font-size:11.5px;padding:3px 9px;border-radius:var(--r-pill);}
.news-body{display:flex;flex-direction:column;min-width:0;}
.news-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.news-card:hover .news-body h3{color:var(--primary);}
.news-body p{margin-top:8px;font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;padding-top:12px;font-size:13px;color:#8B9995;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-meta .more{color:var(--primary);font-weight:600;}
.empty-state{border:1px dashed #D6CDBE;border-radius:var(--r-card);padding:52px 24px;text-align:center;background:var(--card);}
.empty-state .ring{width:56px;height:56px;border-radius:50%;border:2px dashed #C8DCD6;margin:0 auto 16px;display:flex;align-items:center;justify-content:center;color:var(--primary);font-family:var(--font-serif);font-size:20px;}
.empty-state b{display:block;font-family:var(--font-serif);font-size:18px;margin-bottom:8px;}
.empty-state span{color:var(--muted);font-size:14.5px;}

/* FAQ */
.faq-group{margin-bottom:34px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group h3{font-size:18px;color:var(--primary);margin-bottom:16px;padding-left:12px;border-left:3px solid var(--accent);}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:#CFE0DB;box-shadow:var(--sh-1);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;line-height:1.5;}
.faq-q .icon{flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:#EFF4F2;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:17px;transition:transform .2s ease;font-weight:400;}
.faq-item.open .faq-q .icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:460px;}
.faq-a-inner{margin:0 20px 20px 22px;padding-left:16px;border-left:2px solid #EDE7DB;color:var(--muted);font-size:15.5px;}

/* 底部 CTA */
.cta-band{background:linear-gradient(135deg,#0E4A42 0%,#0A3630 100%);border-radius:20px;padding:48px;color:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15.5px;max-width:560px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.6);color:#fff;}
.cta-band .btn-outline:hover{background:#fff;color:var(--primary);border-color:#fff;}
.cta-hint{grid-column:1/-1;font-size:13.5px;color:rgba(255,255,255,.62);border-top:1px solid rgba(255,255,255,.16);padding-top:18px;}

/* 页脚 */
.site-footer{background:var(--dark);color:#D9E3E0;padding:64px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(217,227,224,.14);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:linear-gradient(140deg,#1E6B60,#0E4A42);}
.footer-brand b{font-family:var(--font-serif);font-size:17px;color:#fff;}
.footer-brand span{display:block;font-size:11.5px;color:#8FA6A1;letter-spacing:.06em;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-family:var(--font-sans);font-weight:600;}
.footer-col a{display:block;padding:6px 0;font-size:14.5px;color:#D9E3E0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-col p{font-size:14.5px;color:#A9BCB8;line-height:1.9;}
.footer-note{font-size:13.5px;color:#8FA6A1;margin-top:14px;line-height:1.9;}
.footer-bottom{padding:22px 0;text-align:center;font-size:13.5px;color:#8FA6A1;}

/* 浮动 CTA */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:90;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:8px;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease;}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .to-top{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#FAF8F3;color:var(--primary);display:flex;align-items:center;justify-content:center;transition:.2s;}
.float-cta .to-top:hover{background:#F0EDE5;}

/* 响应式 */
@media (max-width:1199px){
  .container{padding:0 20px;}
}
@media (max-width:1100px){
  .search-box{display:none;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .burger{display:flex;}
  .nav-tools{gap:10px;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .cred-card{min-height:340px;}
  .value-grid{grid-template-columns:1fr 1fr;grid-template-areas:"big big" "big big" "s1 s2" "s3 s3";}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .tl-item::after{display:none;}
  .demo-panel{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .plans{grid-template-columns:1fr;}
  .plan.hot{transform:none;}
  .plan.hot:hover{transform:translateY(-3px);}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .container{padding:0 16px;}
  .hero{padding:44px 0 56px;}
  .hero-sub{font-size:16.5px;}
  .value-grid{grid-template-columns:1fr;grid-template-areas:"big" "s1" "s2" "s3";}
  .timeline{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .news-card{grid-template-columns:1fr;gap:14px;}
  .news-thumb{aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .cred-facts{grid-template-columns:repeat(3,1fr);}
  .float-cta{left:0;right:0;bottom:0;border-radius:16px 16px 0 0;padding:8px 12px calc(8px + env(safe-area-inset-bottom));justify-content:space-between;}
  .float-cta .btn{flex:1;}
}
@media (max-width:420px){
  .hero-actions .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .cred-facts{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --ink:#0E4A42;
  --ink-deep:#0A3630;
  --ink-mid:#1E6B60;
  --amber:#C98A2E;
  --amber-dark:#B57A24;
  --slate:#44707A;
  --bg:#F6F2EA;
  --bg-soft:#FBF9F5;
  --card:#FFFFFF;
  --dark:#0C1F1C;
  --text:#16211F;
  --muted:#5A6A66;
  --line:#E3DCD0;
  --ok:#2F7D5B;
  --danger:#B54A3A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(12,31,28,.05);
  --sh-2:0 10px 28px rgba(12,31,28,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","思源宋体",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.01em;margin:0;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(12,31,28,.07);}
.header-inner{
  display:flex;align-items:center;gap:28px;height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(140deg,var(--ink) 0%,var(--ink-mid) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.logo-mark::after{
  content:"";position:absolute;left:8px;top:9px;width:14px;height:3px;border-radius:2px;
  background:rgba(255,255,255,.92);box-shadow:0 6px 0 rgba(255,255,255,.60);
}
.logo-mark::before{
  content:"";position:absolute;left:-3px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--bg);box-shadow:0 0 0 1px rgba(255,255,255,.25);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--text);}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.14em;}

.nav-menu{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  padding:0 14px;font-size:15px;color:#3C4A47;transition:color .18s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--ink);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{position:relative;width:236px;}
.search-box .search-icon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;opacity:.5;
}
.search-box input{
  width:100%;height:38px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg-soft);padding:0 52px 0 36px;font-size:14px;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box input::placeholder{color:#8B9995;}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--ink);box-shadow:0 0 0 3px rgba(14,74,66,.12);
}
.kbd{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;background:#fff;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.search-panel{
  position:absolute;top:calc(100% + 10px);left:0;width:320px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:14px;opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:.2s ease;z-index:40;
}
.search-box:focus-within .search-panel{opacity:1;visibility:visible;transform:translateY(0);}
.search-panel h5{font-size:12px;color:var(--muted);font-weight:500;margin:0 0 8px;font-family:var(--sans);letter-spacing:.08em;}
.search-panel a{
  display:block;font-size:14px;color:#3C4A47;padding:8px 10px;border-radius:8px;
}
.search-panel a:hover{background:var(--bg-soft);color:var(--ink);}
.search-panel .sep{height:1px;background:var(--line);margin:12px 0;}
.icon-btn{
  width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);
  transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--bg-soft);border-color:#CFC6B6;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--amber);color:#fff;box-shadow:0 1px 2px rgba(12,31,28,.08);}
.btn-primary:hover{background:var(--amber-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(201,138,46,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost-light{background:transparent;color:#D9E3E0;border-color:rgba(217,227,224,.45);}
.btn-ghost-light:hover{background:rgba(255,255,255,.10);color:#fff;}
.btn-sm{height:36px;padding:0 14px;font-size:14px;}
.btn-header{height:38px;padding:0 18px;font-size:14px;}

.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink);}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,31,28,.45);z-index:180;
  opacity:0;visibility:hidden;transition:.25s ease;
}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;background:#fff;z-index:190;
  transform:translateX(100%);transition:transform .28s ease;display:flex;flex-direction:column;
  padding:18px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer-head b{font-family:var(--serif);font-size:16px;}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);font-size:16px;}
.drawer nav{display:flex;flex-direction:column;margin:6px 0 18px;}
.drawer nav a{
  padding:12px 10px;border-radius:10px;font-size:15px;color:#3C4A47;
}
.drawer nav a:hover,.drawer nav a.active{background:var(--bg-soft);color:var(--ink);font-weight:600;}
.drawer .btn{width:100%;margin-top:auto;}

/* ---------- article head ---------- */
.article-head{padding:34px 0 6px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px;}
.breadcrumb em{font-style:normal;color:#8B9995;max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);line-height:1.32;max-width:880px;margin-bottom:16px;
}
.article-head h1::after{
  content:"";display:block;width:56px;height:3px;border-radius:2px;background:var(--amber);margin-top:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--muted);}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(30,107,96,.10);color:var(--ink-mid);font-size:13px;font-weight:500;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item::before{content:"";width:4px;height:4px;border-radius:50%;background:#C9C2B4;}

/* ---------- layout ---------- */
.article-section{padding:26px 0 0;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 272px;gap:48px;align-items:start;
}
.article-main{min-width:0;}
.article-body{
  max-width:760px;font-size:17px;line-height:1.85;color:var(--text);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:38px 40px;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(21px,2.2vw,27px);line-height:1.5;margin:2.1em 0 .8em;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;border-radius:3px;background:var(--amber);
}
.article-body h3{font-size:19px;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body p{margin:0 0 1.1em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin:.38em 0;}
.article-body li::marker{color:var(--ink-mid);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;background:var(--bg-soft);
  border-left:3px solid var(--ink);border-radius:0 10px 10px 0;color:#33443F;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;border-radius:var(--r-img);border:1px solid var(--line);margin:1.4em 0;background:var(--bg-soft);
}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body a{color:var(--ink);text-decoration:underline;text-underline-offset:4px;transition:color .18s ease;}
.article-body a:hover{color:var(--amber-dark);}
.article-body strong{font-weight:600;color:var(--ink-deep);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;display:block;overflow-x:auto;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 13px;text-align:left;min-width:120px;}
.article-body th{background:var(--bg-soft);font-weight:600;color:var(--ink-deep);}
.article-body tbody tr:nth-child(even){background:var(--bg-soft);}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:2px 6px;
}

/* empty state */
.empty-state{
  text-align:center;padding:44px 20px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-soft);
}
.empty-state svg{width:52px;height:52px;color:#B9B2A3;margin:0 auto 16px;}
.empty-state h2{font-size:20px;margin-bottom:10px;padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 20px;}

/* help strip */
.help-strip{
  display:flex;gap:14px;align-items:flex-start;max-width:760px;margin-top:22px;
  background:#FDF7EC;border:1px solid #EBD9B6;border-left:3px solid var(--amber);
  border-radius:var(--r-card);padding:16px 18px;
}
.help-strip .dot{
  width:8px;height:8px;border-radius:50%;background:var(--amber);flex:0 0 auto;margin-top:9px;
}
.help-strip p{font-size:14.5px;color:#6B5427;line-height:1.75;}

/* aside */
.article-aside{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px;}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:20px;
}
.aside-card h4{
  font-size:14px;letter-spacing:.06em;color:var(--ink-deep);margin-bottom:12px;font-family:var(--sans);font-weight:600;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;font-size:14px;color:#4A5854;padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.55;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-link:hover{background:var(--bg-soft);color:var(--ink);border-left-color:var(--ink-mid);}
.toc-link.toc-h3{padding-left:22px;font-size:13.5px;color:var(--muted);}
.aside-card .aside-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:#3C4A47;padding:9px 10px;border-radius:8px;
}
.aside-card .aside-link:hover{background:var(--bg-soft);color:var(--ink);}
.aside-card .aside-link span{color:#B9B2A3;font-size:13px;}

/* ---------- related ---------- */
.section-head{max-width:720px;margin-bottom:26px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15.5px;}
.related{padding:76px 0 0;}
.related-list{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.related-item{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:20px;align-items:center;
  padding:18px 4px;border-bottom:1px solid var(--line);transition:background .18s ease,padding .18s ease;
}
.related-item:hover{background:rgba(255,255,255,.72);padding-left:10px;}
.related-item img{
  width:132px;height:76px;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line);
  background:var(--bg-soft);
}
.related-item h3{font-size:17px;line-height:1.5;margin-bottom:8px;transition:color .18s ease;}
.related-item:hover h3{color:var(--ink);}
.related-item .rmeta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.related-item .rmeta .tag{
  display:inline-flex;height:22px;align-items:center;padding:0 10px;border-radius:999px;
  background:rgba(68,112,122,.12);color:var(--slate);font-size:12px;
}
.related-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- cta band ---------- */
.cta-band{margin-top:84px;background:var(--dark);color:#D9E3E0;padding:56px 0;}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin-bottom:8px;}
.cta-inner p{font-size:15px;color:#A9BAB5;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#D9E3E0;padding:60px 0 26px;font-size:14.5px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(217,227,224,.16);
}
.footer-brand{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:linear-gradient(140deg,#1E6B60,#0E4A42);}
.footer-brand b{display:block;color:#fff;font-family:var(--serif);font-size:17px;}
.footer-brand span span{display:block;font-size:11.5px;color:#8FA5A0;letter-spacing:.12em;margin-top:2px;}
.footer-col p{color:#A9BAB5;line-height:1.8;margin-bottom:10px;max-width:340px;}
.footer-col .footer-note{font-size:13px;color:#7F9591;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-family:var(--sans);font-weight:600;letter-spacing:.04em;}
.footer-col a{display:block;color:#C4D2CE;padding:6px 0;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{text-align:center;font-size:13px;color:#8098A2;padding-top:22px;line-height:1.9;}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:150;
  display:flex;align-items:center;gap:8px;padding:8px;border-radius:999px;
  background:rgba(255,255,255,.96);border:1px solid var(--line);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(14px);transition:.22s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn{border-radius:999px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-aside{display:none;}
  .article-body{max-width:760px;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{height:60px;gap:14px;}
  .btn-header{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-head{padding:24px 0 0;}
  .article-body{padding:26px 20px;font-size:16.5px;}
  .related{padding:56px 0 0;}
  .related-item{grid-template-columns:104px minmax(0,1fr);gap:14px;}
  .related-item img{width:104px;height:66px;}
  .cta-band{padding:44px 0;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;border:0;border-top:1px solid var(--line);
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    justify-content:space-between;transform:translateY(100%);height:56px;
  }
  .float-cta.show{transform:translateY(0);}
  .float-cta .btn{flex:1;}
  .float-cta #toTop{flex:0 0 auto;}
}
@media (max-width:560px){
  .article-head h1{font-size:24px;}
  .breadcrumb em{white-space:normal;}
  .related-item{grid-template-columns:1fr;}
  .related-item img{width:100%;height:150px;}
}
@media (max-width:420px){
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --brand:#0E4A42;
  --brand-dark:#0A3630;
  --brand-2:#1E6B60;
  --accent:#C98A2E;
  --accent-dark:#B57A24;
  --steel:#44707A;
  --bg:#F6F2EA;
  --card:#FFFFFF;
  --band:#0C1F1C;
  --text:#16211F;
  --muted:#5A6A66;
  --line:#E3DCD0;
  --success:#2F7D5B;
  --danger:#B54A3A;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,31,28,.05);
  --sh-2:0 10px 28px rgba(12,31,28,.10);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:16.5px;line-height:1.78;color:var(--text);background:var(--bg)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:.01em;line-height:1.32;margin:0;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
[id]{scroll-margin-top:88px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(12,31,28,.08)}
.nav-bar{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{position:relative;width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand) 0%,var(--brand-2) 100%);flex:0 0 auto}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:7px;height:7px;border-radius:50%;background:#fff;opacity:.95}
.logo-mark::after{content:"";position:absolute;left:8px;top:18px;width:16px;height:1.5px;border-radius:2px;background:rgba(255,255,255,.7);box-shadow:0 -4px 0 rgba(255,255,255,.45)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-family:var(--serif);font-size:17px;color:var(--text);letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;color:var(--text);border-radius:var(--r-sm)}
.nav-link:hover{color:var(--brand);background:rgba(14,74,66,.06)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--brand)}
.nav-search{position:relative;margin-left:auto;flex:1 1 auto;max-width:320px}
.nav-search input{width:100%;height:40px;padding:0 62px 0 38px;border:1px solid var(--line);border-radius:var(--r-sm);background:#FCFAF6;color:var(--text);font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s}
.nav-search input::placeholder{color:#93A19D}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,74,66,.12)}
.nav-search .search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--muted)}
.nav-search .kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:11px;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:2px 6px;background:#fff}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);color:var(--muted);background:#fff;transition:color .2s,border-color .2s,background .2s}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:rgba(14,74,66,.05)}
.burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);align-items:center}
.burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text)}
.drawer{position:fixed;top:0;right:0;width:320px;max-width:88vw;height:100%;background:#fff;z-index:120;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-8px 0 28px rgba(12,31,28,.16)}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.drawer-body{padding:16px 18px;display:flex;flex-direction:column;gap:6px;overflow-y:auto}
.drawer-body .nav-link{padding:13px 12px;font-size:16px}
.drawer-body .nav-link.active{background:rgba(14,74,66,.07)}
.drawer-body .nav-link.active::after{display:none}
.drawer-foot{margin-top:auto;padding:16px 18px 22px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.drawer-mask{position:fixed;inset:0;background:rgba(12,31,28,.45);z-index:110;opacity:0;visibility:hidden;transition:opacity .25s}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border:1px solid transparent;border-radius:var(--r-sm);font-size:15px;font-weight:600;letter-spacing:.01em;transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-secondary{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-secondary:hover{background:var(--brand);color:#fff}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{width:100%}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;background:var(--brand-dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(10,54,48,.95) 0%,rgba(14,74,66,.88) 52%,rgba(12,31,28,.76) 100%)}
.page-hero .container{position:relative;z-index:1;padding-top:22px;padding-bottom:64px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);padding-top:6px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.crumb .sep{opacity:.5}
.crumb-current{color:#fff}
.hero-tag{display:inline-flex;align-items:center;gap:8px;margin-top:26px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(201,138,46,.2);border:1px solid rgba(201,138,46,.55);color:#F3D9A8;font-size:13px;letter-spacing:.05em}
.page-hero h1{margin-top:18px;font-size:clamp(26px,3.6vw,42px);color:#fff;max-width:820px}
.hero-line{width:56px;height:3px;border-radius:2px;background:var(--accent);margin-top:20px}
.hero-lead{margin-top:20px;max-width:680px;color:rgba(255,255,255,.86);font-size:16.5px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.72)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-nav a{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.34);color:#fff;font-size:14px;background:rgba(255,255,255,.06)}
.anchor-nav a:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.6)}

/* ---------- 区块标题 ---------- */
.sec-tag{display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--brand-2);background:rgba(30,107,96,.1);border:1px solid rgba(30,107,96,.22);border-radius:var(--r-pill);padding:4px 13px}
.sec-head{max-width:780px;margin-bottom:40px}
.sec-title{margin-top:16px;font-size:clamp(23px,2.8vw,34px)}
.sec-title::after{content:"";display:block;width:44px;height:3px;border-radius:2px;background:var(--accent);margin-top:16px}
.sec-desc{margin-top:16px;color:var(--muted);max-width:760px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head.center .sec-title::after{margin-left:auto;margin-right:auto}

/* ---------- 登录前准备 ---------- */
.prepare-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:28px;align-items:start}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.check-list li{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px 22px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5CCBC}
.check-list h3{font-size:18px;display:flex;align-items:center;gap:10px}
.check-list h3::before{content:"";width:22px;height:22px;border-radius:50%;background:rgba(47,125,91,.14);border:1px solid rgba(47,125,91,.4);flex:0 0 auto;background-image:linear-gradient(45deg,transparent 45%,var(--success) 45%,var(--success) 55%,transparent 55%),linear-gradient(-45deg,transparent 45%,var(--success) 45%,var(--success) 55%,transparent 55%);background-size:9px 9px;background-position:center;background-repeat:no-repeat}
.check-list p{margin-top:10px;color:var(--muted);font-size:15px}
.panel-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden}
.panel-head{padding:16px 22px;border-bottom:1px dashed var(--line);font-family:var(--serif);font-size:17px;font-weight:700;background:#FCFAF6;display:flex;align-items:center;gap:10px}
.panel-head::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.panel-rows{padding:8px 22px 4px}
.panel-row{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--line)}
.panel-row:last-child{border-bottom:0}
.panel-row .idx{font-family:var(--serif);font-size:13px;color:var(--brand-2);border:1px solid rgba(30,107,96,.35);border-radius:50%;width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:3px}
.panel-row b{display:block;font-size:15.5px;font-weight:600}
.panel-row span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
.panel-figure{border-top:1px solid var(--line)}
.panel-figure img{width:100%;height:190px;object-fit:cover;background:#EFEAE1}
.panel-note{padding:14px 22px 18px;font-size:13.5px;color:var(--muted)}

/* ---------- 步骤 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-bottom:44px}
.timeline::before{content:"";position:absolute;left:5%;right:5%;top:24px;height:1px;background-image:repeating-linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px)}
.tl-item{position:relative;padding-top:60px}
.tl-num{position:absolute;top:0;left:0;width:48px;height:48px;border-radius:50%;background:#fff;border:1px solid var(--line);color:var(--brand);font-family:var(--serif);font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1)}
.tl-item h3{font-size:18px}
.tl-item p{margin-top:9px;color:var(--muted);font-size:15px}
.demo-card{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.demo-media{position:relative;min-height:300px;background:#EFEAE1}
.demo-media img{width:100%;height:100%;object-fit:cover}
.demo-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,31,28,.05),rgba(12,31,28,.32))}
.demo-media .cap{position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;font-size:13.5px;letter-spacing:.03em}
.demo-points{padding:32px 34px}
.demo-points h3{font-size:20px}
.demo-points > p{margin-top:10px;color:var(--muted);font-size:15px}
.demo-points ul{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.demo-points li{display:flex;gap:12px;font-size:15px;color:var(--text)}
.demo-points li b{color:var(--brand)}
.demo-points li span.k{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:rgba(14,74,66,.1);color:var(--brand);font-size:12px;display:inline-flex;align-items:center;justify-content:center;margin-top:3px;font-weight:700}

/* ---------- 状态条 ---------- */
.status-list{display:flex;flex-direction:column;gap:16px}
.status{display:flex;gap:16px;padding:20px 22px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);border-left:3px solid var(--info);box-shadow:var(--sh-1)}
.status.danger{border-left-color:var(--danger);background:#FDF6F4}
.status.warn{border-left-color:var(--accent);background:#FDF9F0}
.status.ok{border-left-color:var(--success);background:#F3FAF6}
.status h3{font-size:17px}
.status p{margin-top:7px;color:var(--muted);font-size:15px}
.status .s-ico{flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;font-family:var(--serif)}
.status.danger .s-ico{background:rgba(181,74,58,.14);color:var(--danger)}
.status.warn .s-ico{background:rgba(201,138,46,.16);color:var(--accent-dark)}
.status.ok .s-ico{background:rgba(47,125,91,.14);color:var(--success)}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--band);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(201,138,46,.28),transparent 68%)}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:56px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-inner p{margin-top:12px;color:rgba(255,255,255,.72);max-width:620px;font-size:15px}
.cta-actions{display:flex;gap:12px;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#D5CCBC;box-shadow:var(--sh-2)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:20px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text)}
.faq-q .sign{flex:0 0 auto;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:15px;transition:transform .2s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-q .sign{transform:rotate(180deg);background:var(--brand);color:#fff;border-color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a-inner{padding:0 20px 20px 20px;margin-left:0;border-left:2px solid rgba(14,74,66,.18);margin-left:20px;padding-left:18px;color:var(--muted);font-size:15.5px}
.faq-item.open .faq-a{max-height:340px}

/* ---------- 相关阅读 ---------- */
.read-list{display:flex;flex-direction:column;gap:16px}
.read-item{display:grid;grid-template-columns:190px 1fr;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.read-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D5CCBC}
.read-thumb{border-radius:var(--r-sm);overflow:hidden;background:#EFEAE1;position:relative}
.read-thumb img{width:100%;height:100%;min-height:118px;object-fit:cover;transition:transform .3s ease}
.read-item:hover .read-thumb img{transform:scale(1.03)}
.read-body{display:flex;flex-direction:column;gap:8px;padding:4px 6px 4px 0}
.read-body h3{font-size:18px;transition:color .2s ease}
.read-item:hover .read-body h3{color:var(--brand)}
.read-body p{color:var(--muted);font-size:14.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.read-foot{display:flex;align-items:center;gap:14px;font-size:13px;color:#85938F;margin-top:auto}
.tag{display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);font-size:12.5px;background:rgba(30,107,96,.1);color:var(--brand-2);border:1px solid rgba(30,107,96,.2)}
.tag.accent{background:rgba(201,138,46,.14);color:var(--accent-dark);border-color:rgba(201,138,46,.32)}

/* ---------- 入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.entry-card{display:flex;flex-direction:column;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5CCBC}
.entry-card .e-ico{width:42px;height:42px;border-radius:12px;background:rgba(14,74,66,.08);color:var(--brand);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:16px}
.entry-card h3{font-size:19px}
.entry-card p{color:var(--muted);font-size:15px;flex:1}
.entry-card .link{font-size:14.5px;font-weight:600;color:var(--brand)}
.entry-card:hover .link{color:var(--accent-dark)}
.entry-card .link::after{content:" →"}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--band);color:#D9E3E0;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand b{display:block;font-family:var(--serif);font-size:17px;color:#fff}
.footer-brand span span{display:block;font-size:11.5px;color:#93A8A3;letter-spacing:.06em}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer p{color:#A9BCB7;font-size:14.5px;line-height:1.8}
.footer-col a{display:block;color:#C6D6D2;font-size:14.5px;padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-note{margin-top:12px;font-size:13.5px;color:#8FA49F}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;text-align:center;font-size:13.5px;color:#93A8A3}

/* ---------- 浮动 CTA ---------- */
.float-cta{position:fixed;right:26px;bottom:26px;z-index:90;display:flex;align-items:center;gap:10px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .btn{padding:10px 18px;font-size:14px;border-radius:var(--r-pill)}
.float-cta .btn-ghost{background:rgba(14,74,66,.06);border-color:var(--line);color:var(--brand)}
.float-cta .btn-ghost:hover{background:var(--brand);color:#fff;border-color:var(--brand)}
.top-btn{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;background:#fff;transition:background .2s,color .2s,border-color .2s}
.top-btn:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:0}
  .nav-search{max-width:230px}
  .prepare-grid{grid-template-columns:1fr;gap:24px}
  .entry-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-search{display:none}
  .burger{display:flex}
  .section{padding:64px 0}
  .timeline{grid-template-columns:1fr 1fr;gap:28px 22px}
  .timeline::before{display:none}
  .demo-card{grid-template-columns:1fr}
  .demo-media{min-height:230px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:52px 0}
  .check-list{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .tl-item{padding-top:0;padding-left:64px;min-height:60px}
  .tl-num{top:2px}
  .read-item{grid-template-columns:1fr;gap:14px}
  .read-thumb img{min-height:170px}
  .entry-grid{grid-template-columns:1fr}
  .demo-points{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:10px 14px calc(10px + env(safe-area-inset-bottom));gap:8px;justify-content:space-between;transform:translateY(100%)}
  .float-cta.is-visible{transform:translateY(0)}
  .float-cta .btn{flex:1 1 auto;padding:11px 12px}
  .float-cta .top-btn{display:none}
}
@media (max-width:420px){
  .anchor-nav a{padding:7px 13px;font-size:13px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .faq-q{font-size:15.5px;padding:17px}
}

/* roulang page: category2 */
:root{
  --primary:#0E4A42;
  --primary-dark:#0A3630;
  --primary-soft:#1E6B60;
  --accent:#C98A2E;
  --accent-dark:#B57A24;
  --stone:#44707A;
  --bg:#F6F2EA;
  --card:#FFFFFF;
  --band:#0C1F1C;
  --text:#16211F;
  --muted:#5A6A66;
  --line:#E3DCD0;
  --success:#2F7D5B;
  --radius:14px;
  --radius-sm:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(12,31,28,.05);
  --shadow-2:0 10px 28px rgba(12,31,28,.10);
  --font-title:"Noto Serif SC","Source Han Serif SC","思源宋体",serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Inter",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{font-family:var(--font-title);font-weight:700;letter-spacing:.01em;margin:0;line-height:1.32}
p{margin:0}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(201,138,46,.22)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,138,46,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(201,138,46,.2)}
.btn-secondary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-secondary:hover{background:var(--primary);color:#fff;transform:translateY(-1px)}
.btn-onDark{background:transparent;color:#EAF1EE;border-color:rgba(234,241,238,.45)}
.btn-onDark:hover{background:rgba(234,241,238,.12);border-color:#EAF1EE;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;border-bottom:1px solid transparent;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:rgba(14,74,66,.35)}
.btn-text:hover{color:var(--accent-dark);text-decoration-color:var(--accent)}

/* ---------- 标签 / 徽章 ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;background:rgba(30,107,96,.1);color:var(--primary-soft);font-size:12.5px;font-weight:600;letter-spacing:.03em}
.tag-accent{background:rgba(201,138,46,.14);color:#8A5C14}
.tag-stone{background:rgba(68,112,122,.12);color:var(--stone)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.16em;color:var(--accent)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(12,31,28,.08)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--primary-soft));
  box-shadow:0 4px 10px rgba(14,74,66,.22);
}
.logo-mark::before{content:"";position:absolute;left:7px;top:50%;transform:translateY(-50%);width:7px;height:7px;border-radius:50%;background:#F6F2EA}
.logo-mark::after{content:"";position:absolute;right:7px;top:50%;transform:translateY(-50%);width:11px;height:2px;border-radius:2px;background:rgba(246,242,234,.8);box-shadow:0 5px 0 rgba(246,242,234,.5),0 -5px 0 rgba(246,242,234,.5)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-family:var(--font-title);font-size:17px;font-weight:700;letter-spacing:.02em}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.14em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{position:relative;padding:22px 14px;font-size:15px;font-weight:500;color:#33413D;transition:color .18s ease}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;background:var(--primary)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  position:relative;display:flex;align-items:center;gap:8px;width:226px;height:38px;padding:0 10px;
  background:#F6F2EA;border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.command-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,74,66,.14)}
.command-search i{color:var(--muted);font-size:13px}
.command-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--text);min-width:0}
.command-search input::placeholder{color:#8C9A95}
.command-search kbd{font-family:var(--font-num);font-size:11px;color:#6D7C77;background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.search-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:320px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-2);padding:14px 16px;display:none;
}
.command-search.open .search-panel{display:block}
.search-panel h5{margin:0 0 8px;font-size:12px;letter-spacing:.1em;color:var(--muted);font-weight:600}
.search-panel a{display:block;padding:7px 0;font-size:14px;color:#33413D;border-bottom:1px dashed #EFEAE1;transition:color .18s ease,transform .18s ease}
.search-panel a:last-child{border-bottom:0}
.search-panel a:hover{color:var(--primary);transform:translateX(2px)}
.icon-btn{width:38px;height:38px;border-radius:9px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--primary-soft);transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.icon-btn:hover{background:rgba(30,107,96,.08);border-color:var(--primary-soft);color:var(--primary)}
.hamburger{display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .2s ease,opacity .2s ease}
.hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.drawer-mask{position:fixed;inset:0;background:rgba(12,31,28,.45);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:110}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;background:#fff;z-index:120;
  transform:translateX(102%);transition:transform .24s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 32px rgba(12,31,28,.16);
}
.drawer.show{transform:translateX(0)}
.drawer-head{padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-search{margin:16px 18px 8px;display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;background:#F6F2EA;border:1px solid var(--line);border-radius:var(--radius-sm)}
.drawer-search input{border:0;background:transparent;outline:none;flex:1;font-size:14px;min-width:0}
.drawer-nav{padding:8px 18px;display:flex;flex-direction:column}
.drawer-nav a{padding:13px 0;font-size:16px;border-bottom:1px dashed #EFEAE1;color:#33413D}
.drawer-nav a.active{color:var(--primary);font-weight:700}
.drawer-foot{margin-top:auto;padding:18px;border-top:1px solid var(--line)}
.drawer-foot .btn{width:100%}
.drawer-foot p{margin-top:10px;font-size:12.5px;color:var(--muted);text-align:center}

/* ---------- 首屏条 ---------- */
.page-hero{
  position:relative;color:#fff;padding:64px 0 60px;
  background-image:linear-gradient(120deg,rgba(12,31,28,.9) 6%,rgba(14,74,66,.86) 62%,rgba(30,107,96,.8)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:rgba(255,255,255,.14)}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px}
.breadcrumb a:hover{color:#fff}
.breadcrumb em{font-style:normal;color:#fff}
.page-hero h1{font-size:clamp(28px,4.2vw,46px);max-width:760px;margin:14px 0 16px}
.page-hero h1 .hl{color:#F0D9A8}
.hero-lead{max-width:660px;color:rgba(255,255,255,.84);font-size:16.5px}
.hero-line{width:56px;height:3px;background:var(--accent);border-radius:3px;margin-top:22px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.anchor-nav a{
  font-size:13.5px;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#EAF1EE;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.anchor-nav a:hover{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.45);transform:translateY(-1px)}

/* ---------- 板块通用 ---------- */
main{display:block}
.section{padding:80px 0}
.section-alt{background:#FFFDF9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.8vw,33px);margin-bottom:12px}
.section-head h2::after{content:"";display:block;width:44px;height:3px;background:var(--accent);border-radius:3px;margin-top:14px}
.section-head p{color:var(--muted);font-size:15.5px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center h2::after{margin-left:auto;margin-right:auto}

/* ---------- 提示条 ---------- */
.alert{
  display:flex;gap:16px;align-items:flex-start;
  background:#FFF8EC;border:1px solid rgba(201,138,46,.42);border-left:4px solid var(--accent);
  border-radius:var(--radius);padding:18px 22px;box-shadow:var(--shadow-1);
}
.alert i{color:var(--accent-dark);font-size:19px;margin-top:3px}
.alert h3{font-size:17px;margin-bottom:6px}
.alert p{color:#6A5322;font-size:14.5px;line-height:1.8}

/* ---------- 要点卡组（不等高两列） ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:start;margin-top:28px}
.point-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D7CFC0}
.point-card .num{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;
  border:1px dashed rgba(201,138,46,.6);color:var(--accent-dark);font-family:var(--font-num);font-size:14px;font-weight:700;margin-bottom:16px;
}
.point-card h3{font-size:19px;margin-bottom:10px}
.point-card p{color:var(--muted);font-size:15px}
.point-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.point-card li{position:relative;padding-left:18px;font-size:14.5px;color:#41504C}
.point-card li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;background:var(--primary-soft);opacity:.7}
.point-card.media{padding:0;overflow:hidden}
.point-card.media img{width:100%;height:210px;object-fit:cover;border-bottom:1px solid var(--line);transition:transform .35s ease}
.point-card.media:hover img{transform:scale(1.03)}
.point-card.media .media-body{padding:24px 26px 26px}
.point-card.tall{background:linear-gradient(180deg,#FFFFFF,#FBF9F4)}
.card-note{margin-top:14px;font-size:13px;color:#7C8A85;border-top:1px dashed #E9E2D6;padding-top:12px}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative;margin-top:8px}
.steps::before{content:"";position:absolute;top:24px;left:8%;right:8%;border-top:2px dashed #DCD3C4;z-index:0}
.step{position:relative;z-index:1;background:transparent;padding-top:0}
.step .step-num{
  width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--primary);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-num);font-weight:700;color:var(--primary);font-size:16px;
}
.step h3{font-size:18px;margin:18px 0 8px}
.step p{color:var(--muted);font-size:14.5px}

/* ---------- 对照表 ---------- */
.table-wrap{margin-top:8px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow-x:auto;box-shadow:var(--shadow-1)}
table{width:100%;border-collapse:collapse;min-width:680px}
thead th{background:#F1ECE2;color:#3B4A46;font-size:13.5px;letter-spacing:.06em;text-align:left;padding:15px 20px;font-weight:700;border-bottom:1px solid var(--line)}
tbody td{padding:15px 20px;font-size:14.5px;color:#384541;border-bottom:1px solid #EFEAE1;vertical-align:top}
tbody tr:nth-child(even){background:#FBFAF7}
tbody tr:last-child td{border-bottom:0}
td .code{font-family:var(--font-num);color:var(--primary);font-weight:600}
td .act{color:var(--primary-soft);font-weight:600}

/* ---------- 中部 CTA ---------- */
.cta-band{
  position:relative;color:#fff;border-radius:18px;padding:52px 46px;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(12,31,28,.92),rgba(14,74,66,.86)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.12);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);max-width:640px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-hint{margin-top:18px;font-size:13px;color:rgba(255,255,255,.62)}

/* ---------- 相关阅读 ---------- */
.read-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.read-item{border-bottom:1px solid var(--line)}
.read-item a{display:flex;gap:20px;align-items:center;padding:20px 4px;transition:background-color .2s ease,transform .2s ease}
.read-item a:hover{background:#FFFDF9;transform:translateX(3px)}
.read-item img{width:170px;height:96px;border-radius:var(--radius-img);object-fit:cover;border:1px solid var(--line);flex:0 0 auto}
.read-body h3{font-size:17.5px;margin:8px 0 6px;transition:color .2s ease}
.read-item a:hover h3{color:var(--primary)}
.read-meta{font-size:13px;color:var(--muted);font-family:var(--font-num)}

/* ---------- 相关入口卡 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:8px}
.entry-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D7CFC0}
.entry-card .ico{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(30,107,96,.1);color:var(--primary-soft);font-size:18px}
.entry-card h3{font-size:18px}
.entry-card p{color:var(--muted);font-size:14.5px;flex:1}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:14px;box-shadow:var(--shadow-1);transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:#D7CFC0;box-shadow:var(--shadow-2)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;list-style:none;font-size:17px;font-weight:600;font-family:var(--font-body)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .sign{color:var(--primary-soft);font-size:14px;transition:transform .2s ease;flex:0 0 auto}
.faq-item[open] summary .sign{transform:rotate(180deg)}
.faq-body{margin-top:14px;padding-left:16px;border-left:2px solid #E7E0D4;color:var(--muted);font-size:15px;line-height:1.85}
.faq-body p+p{margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--band);color:#D9E3E0;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{background:linear-gradient(135deg,#1E6B60,#44707A)}
.footer-brand b{display:block;font-family:var(--font-title);font-size:16.5px;color:#fff}
.footer-brand span span{display:block;font-size:11.5px;letter-spacing:.14em;color:#8FA6A0}
.footer-col p{font-size:14px;color:#A9BDB7;line-height:1.85}
.footer-note{margin-top:12px;font-size:13px;color:#8A9F99}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col a{display:block;font-size:14px;color:#B8CBC5;padding:6px 0;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(217,227,224,.14);padding:22px 0;text-align:center;font-size:13px;color:#8A9F99}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:130;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 10px 8px 8px;
  box-shadow:0 12px 34px rgba(12,31,28,.16);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--primary-soft);transition:background-color .18s ease,color .18s ease}
.to-top:hover{background:rgba(30,107,96,.1);color:var(--primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-grid .footer-col:last-child{grid-column:span 3;border-top:1px solid rgba(217,227,224,.14);padding-top:22px}
}
@media (max-width:1023px){
  .nav-menu,.command-search,.icon-btn{display:none}
  .hamburger{display:flex}
  .section{padding:64px 0}
  .steps{grid-template-columns:1fr;gap:20px}
  .steps::before{display:none}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-hero{padding:48px 0 44px}
}
@media (max-width:767px){
  .header-inner{height:60px;gap:12px}
  .brand-text b{font-size:16px}
  .point-grid{grid-template-columns:1fr}
  .entry-grid{grid-template-columns:1fr}
  .read-item a{flex-direction:column;align-items:flex-start;gap:14px}
  .read-item img{width:100%;height:170px}
  .cta-band{padding:38px 24px;border-radius:14px}
  .section-head{margin-bottom:28px}
  .alert{flex-direction:column;gap:10px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .section{padding:48px 0}
  .page-hero h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid .footer-col:last-child{grid-column:span 1}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:8px 14px calc(8px + env(safe-area-inset-bottom));
    justify-content:space-between;gap:8px;transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0)}
  .float-cta .btn{flex:1;height:40px;font-size:14px}
  body{padding-bottom:64px}
  .to-top{display:none}
  .cta-actions .btn{width:100%}
}
@media (max-width:420px){
  .anchor-nav a{font-size:12.5px;padding:6px 12px}
  .point-card{padding:22px 18px}
  .faq-item{padding:16px}
}

/* roulang page: category3 */
:root{
  --brand:#0E4A42;
  --brand-dark:#0A3630;
  --brand-2:#1E6B60;
  --accent:#C98A2E;
  --accent-dark:#B57A24;
  --slate:#44707A;
  --bg:#F6F2EA;
  --card:#FFFFFF;
  --dark:#0C1F1C;
  --ink:#16211F;
  --muted:#5A6A66;
  --line:#E3DCD0;
  --success:#2F7D5B;
  --warn:#C98A2E;
  --danger:#B54A3A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,31,28,.05);
  --sh-2:0 10px 28px rgba(12,31,28,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:"Noto Serif SC","Source Han Serif SC","思源宋体","Songti SC",Georgia,serif;
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.32;
  margin:0;
}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.sec{padding:80px 0;scroll-margin-top:84px}
.sec-tight{padding:56px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,3vw,36px)}
.sec-head p{margin-top:12px;color:var(--muted);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand-2);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block}
.on-dark .eyebrow{color:#9FC7BF}
.on-dark .sec-head p{color:#B9CFC9}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(201,138,46,.26)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,138,46,.28)}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(201,138,46,.22)}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost.on-dark:hover{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-weight:600;font-size:14.5px;border-bottom:1px solid transparent;
  padding-bottom:2px;transition:border-color .18s ease,color .18s ease;
}
.link-more:hover{border-color:var(--brand)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(12,31,28,.08)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:26px;height:30px;border-radius:6px;flex:none;position:relative;
  background:linear-gradient(160deg,var(--brand),var(--brand-2));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.25);
}
.logo-mark::before{
  content:"";position:absolute;left:50%;top:6px;transform:translateX(-50%);
  width:7px;height:7px;border-radius:50%;background:#F4EFE4;
  box-shadow:0 11px 0 #F4EFE4;
}
.logo-mark::after{
  content:"";position:absolute;left:-3px;bottom:-3px;width:11px;height:11px;border-radius:50%;
  background:var(--accent);border:2px solid #fff;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-family:"Noto Serif SC",serif;font-size:17px;letter-spacing:.02em;color:var(--brand-dark)}
.logo-text span{font-size:11.5px;color:var(--muted);letter-spacing:.16em}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;color:#3B4A46;transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--brand);background:#F2F6F4}
.nav-link.active{color:var(--brand-dark);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{position:relative;width:250px}
.command-search input{
  width:100%;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FBF9F4;
  padding:0 54px 0 38px;font-size:14px;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.command-search input::placeholder{color:#96A29E}
.command-search input:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(14,74,66,.12);
}
.command-search .s-ico{
  position:absolute;left:13px;top:50%;transform:translateY(-50%);
  width:13px;height:13px;border:1.8px solid #8C9A96;border-radius:50%;
}
.command-search .s-ico::after{
  content:"";position:absolute;width:6px;height:1.8px;background:#8C9A96;
  transform:rotate(45deg);left:10px;top:11px;border-radius:2px;
}
.command-search kbd{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;
  color:#7C8B87;background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;line-height:1.4;
}
.search-panel{
  position:absolute;top:calc(100% + 10px);left:0;width:320px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px;opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:all .2s ease;z-index:70;
}
.command-search:focus-within .search-panel{opacity:1;visibility:visible;transform:translateY(0)}
.search-panel h5{
  font-size:12px;letter-spacing:.12em;color:var(--muted);
  margin:0 0 8px;font-weight:600;font-family:inherit;
}
.search-panel ul{margin-bottom:14px}
.search-panel li a{
  display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:#33413D;
}
.search-panel li a:hover{background:#F2F6F4;color:var(--brand)}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.icon-btn:hover{border-color:var(--brand);background:#F2F6F4;transform:translateY(-1px)}
.icon-btn span{
  width:14px;height:14px;border:1.8px solid var(--brand);border-radius:4px;position:relative;display:block;
}
.icon-btn span::after{
  content:"";position:absolute;left:2px;right:2px;top:4px;height:1.8px;background:var(--brand);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:#fff;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--brand-dark);position:relative;border-radius:2px}
.nav-toggle i::before,.nav-toggle i::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-dark);border-radius:2px;
}
.nav-toggle i::before{top:-6px}
.nav-toggle i::after{top:6px}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:86vw;background:#fff;z-index:120;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:-12px 0 40px rgba(12,31,28,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-head b{font-family:"Noto Serif SC",serif;color:var(--brand-dark)}
.drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--line);font-size:18px;line-height:1;color:var(--muted)}
.drawer-body{padding:18px 20px;overflow-y:auto;flex:1}
.drawer-body .d-search input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;background:#FBF9F4;font-size:14.5px;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:18px}
.drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15.5px;color:#33413D}
.drawer-nav a.active{background:#F2F6F4;color:var(--brand-dark);font-weight:600}
.drawer-nav a:hover{background:#F2F6F4}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--line);padding-bottom:calc(18px + env(safe-area-inset-bottom))}
.overlay{position:fixed;inset:0;background:rgba(12,31,28,.42);opacity:0;visibility:hidden;transition:all .28s ease;z-index:110}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background:var(--brand-dark) url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(10,54,48,.94) 0%,rgba(14,74,66,.86) 52%,rgba(12,31,28,.78) 100%);
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:1.35fr .65fr;gap:48px;
  padding:64px 0 56px;align-items:end;
}
.crumb{font-size:13.5px;color:#A9C6C0;margin-bottom:16px;letter-spacing:.02em}
.crumb a:hover{color:#fff}
.crumb span{margin:0 6px;opacity:.6}
.page-hero h1{
  font-size:clamp(28px,4.2vw,50px);line-height:1.24;color:#fff;
}
.page-hero h1 .h1-accent{
  display:block;width:56px;height:3px;background:var(--accent);border-radius:2px;margin:20px 0 18px;
}
.hero-lead{max-width:640px;font-size:16.5px;color:#D6E5E1}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;font-size:13.5px;color:#C4DAD5}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent)}
.anchor-nav{
  border:1px solid rgba(255,255,255,.22);border-radius:var(--r-card);
  background:rgba(255,255,255,.07);padding:20px;backdrop-filter:blur(2px);
}
.anchor-nav h2{font-size:15px;color:#fff;margin-bottom:12px;font-family:"Noto Sans SC",sans-serif;letter-spacing:.06em}
.anchor-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;border-radius:8px;font-size:14.5px;color:#DCEAE6;
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.anchor-nav a::after{content:"↓";font-size:12px;opacity:.6}
.anchor-nav a:hover{background:rgba(255,255,255,.12);color:#fff;padding-left:16px}

/* ---------- quick chips ---------- */
.chip-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  box-shadow:var(--sh-1);margin-top:-32px;position:relative;z-index:3;
}
.chip-bar .chip-label{font-size:13.5px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.chip{
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#FBF9F4;font-size:14px;color:#42524E;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--brand-2);color:var(--brand);transform:translateY(-1px)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(14,74,66,.2)}

/* ---------- faq groups ---------- */
.faq-group{margin-bottom:44px;scroll-margin-top:96px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.group-head h3{font-size:19px;color:var(--brand-dark)}
.group-head .seal{
  width:28px;height:28px;border-radius:50%;flex:none;
  border:1px solid var(--brand-2);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-family:ui-monospace,Menlo,monospace;
}
.group-head .count{font-size:13px;color:var(--muted)}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-2);border-color:#D6CDBC}
.faq-item.open{border-color:#CBD9D3}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--ink);
  font-family:"Noto Sans SC",sans-serif;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;width:20px;height:20px;flex:none;
  transition:transform .22s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px;transition:opacity .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-clip{overflow:hidden}
.faq-a-body{
  margin:0 22px 20px 22px;padding-left:16px;border-left:2px solid #EFE9DE;
  color:var(--muted);font-size:15.5px;line-height:1.85;
}
.faq-a-body strong{color:var(--ink)}
.tip-note{
  display:flex;gap:12px;align-items:flex-start;
  border:1px solid #E9D9B8;border-left:3px solid var(--warn);background:#FCF7EC;
  border-radius:var(--r-card);padding:16px 18px;font-size:14.5px;color:#6B5730;
  margin-top:26px;
}
.tip-note b{color:#54431F}
.tip-note::before{
  content:"!";flex:none;width:20px;height:20px;border-radius:50%;
  background:var(--warn);color:#fff;font-size:13px;font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}

/* ---------- mid cta ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--dark),#123831);
  border-radius:18px;padding:44px;color:#fff;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,138,46,.30),transparent 70%);
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-band p{color:#BCD2CD;margin-top:12px;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- related entries ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6CDBC}
.entry-thumb{
  aspect-ratio:16/9;overflow:hidden;background:#EDE7DB;position:relative;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-tag{
  position:absolute;left:12px;top:12px;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(12,31,28,.78);color:#fff;font-size:12px;letter-spacing:.04em;
}
.entry-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:18px;margin-bottom:10px;font-family:"Noto Sans SC",sans-serif;font-weight:600}
.entry-card:hover .entry-body h3{color:var(--brand)}
.entry-body p{color:var(--muted);font-size:14.5px;line-height:1.75;flex:1}
.entry-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}

/* ---------- reading list ---------- */
.read-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.read-item{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.read-item:last-child{border-bottom:0}
.read-item:hover{background:#FAF7F0}
.read-main{display:flex;align-items:center;gap:16px;min-width:0}
.read-cat{
  flex:none;font-size:12.5px;padding:4px 11px;border-radius:var(--r-pill);
  background:#EDF3F1;color:var(--brand-2);
}
.read-item h3{
  font-size:16.5px;font-family:"Noto Sans SC",sans-serif;font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.read-item:hover h3{color:var(--brand)}
.read-meta{font-size:13px;color:var(--muted);flex:none}

/* ---------- empty / skeleton states ---------- */
.state-box{
  border:1px dashed #D8D0C1;border-radius:var(--r-card);background:#FBF8F1;
  padding:44px 24px;text-align:center;color:var(--muted);
}
.state-box .state-ico{
  width:44px;height:44px;margin:0 auto 14px;border-radius:12px;
  border:1.6px solid #C9C1B1;position:relative;
}
.state-box .state-ico::before{
  content:"";position:absolute;left:50%;top:12px;transform:translateX(-50%);
  width:16px;height:1.6px;background:#C9C1B1;
}
.state-box .state-ico::after{
  content:"";position:absolute;left:50%;top:20px;transform:translateX(-50%);
  width:10px;height:1.6px;background:#C9C1B1;
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#D9E3E0;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:64px 0 40px;
}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-family:"Noto Sans SC",sans-serif;
  letter-spacing:.04em;
}
.footer-col p{font-size:14px;color:#A9BDB8;line-height:1.8}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{width:24px;height:28px}
.footer-brand b{display:block;color:#fff;font-family:"Noto Serif SC",serif;font-size:16px}
.footer-brand span span{display:block;font-size:11.5px;color:#8FA7A1;letter-spacing:.14em}
.footer-col a{
  display:block;font-size:14px;color:#A9BDB8;padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-note{margin-top:10px;font-size:13px;color:#7F9691}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  text-align:center;font-size:13px;color:#8CA29D;
}

/* ---------- floating cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  display:flex;align-items:center;gap:10px;padding:10px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  border-radius:var(--r-pill);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .to-top{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
  transition:background-color .18s ease,transform .18s ease;
}
.float-cta .to-top:hover{background:#F2F6F4;transform:translateY(-1px)}
.float-cta .to-top i{
  width:9px;height:9px;border-left:2px solid var(--brand);border-top:2px solid var(--brand);
  transform:rotate(45deg);display:block;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .command-search{width:200px}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start}
  .anchor-nav{max-width:520px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .faq-a-body{font-size:15px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .command-search{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:60px}
  .sec{padding:64px 0}
  .cta-band{grid-template-columns:1fr;padding:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .sec{padding:48px 0}
  .hero-grid{padding:44px 0 40px}
  .page-hero h1{font-size:clamp(24px,6.6vw,32px)}
  .hero-lead{font-size:15.5px}
  .card-grid{grid-template-columns:1fr}
  .chip-bar{margin-top:-24px;padding:16px}
  .faq-q{font-size:15.5px;padding:17px 18px;gap:12px}
  .faq-a-body{margin:0 18px 18px 18px}
  .read-item{flex-direction:column;align-items:flex-start;gap:10px;padding:18px}
  .read-item h3{white-space:normal}
  .footer-grid{grid-template-columns:1fr;padding:44px 0 28px}
  .header-actions{gap:8px}
  .header-actions .btn{display:none}
}
@media (max-width:559px){
  body{font-size:16px}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:8px 12px;
    padding-bottom:calc(8px + env(safe-area-inset-bottom));
    justify-content:space-between;border-left:0;border-right:0;border-bottom:0;
  }
  .float-cta .btn{flex:1}
  .site-footer{margin-top:64px}
}
@media (max-width:419px){
  .btn{width:100%}
  .cta-actions{flex-direction:column;width:100%}
  .float-cta .btn{width:auto}
  .float-cta .to-top{flex:none}
}