/* roulang page: index */
:root{
  --primary:#1E5C51; --primary-700:#17493F; --primary-050:#EAF2EF;
  --accent:#D2763B; --accent-050:#FBEFE5;
  --ink:#14201D; --ink-2:#3E4C48; --muted:#6E7C77;
  --paper:#FAF8F3; --card:#FFFFFF; --sunken:#F1EDE4; --line:#E4DED2;
  --focus:rgba(44,122,105,.35);
  --r-card:14px; --r-btn:10px; --r-img:14px;
  --sh-sm:0 1px 2px rgba(20,32,29,.05);
  --sh-md:0 6px 18px -8px rgba(20,32,29,.14);
  --sh-lg:0 18px 40px -20px rgba(20,32,29,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --sidebar:264px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16.5px;line-height:1.9;letter-spacing:.01em;font-variant-numeric:tabular-nums;}
img{display:block;max-width:100%;background:var(--primary-050)}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;line-height:1.28;margin:0;letter-spacing:.01em;color:var(--ink)}
h3{font-size:22px}
p{margin:0 0 1.1em}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;border-radius:6px}

/* ---------- 通用容器与板块 ---------- */
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.shell{padding-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column}
.section{padding:96px 0}
.section--sunken{background:var(--sunken);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:30px;line-height:1.3}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:3px;border-radius:2px;background:var(--primary)}
.sec-sub{margin:12px 0 0;padding-left:16px;color:var(--muted);font-size:14.5px;line-height:1.75}
.text-link{color:var(--primary);font-size:14px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .18s ease}
.text-link:hover{border-bottom-color:var(--primary);text-decoration:underline;text-underline-offset:4px}

/* ---------- 按钮 / 徽章 / 表单 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-050);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#BC642C;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--primary-050);transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;background:var(--primary-050);color:var(--primary);letter-spacing:.02em;white-space:nowrap}
.badge-accent{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.field{height:48px;width:100%;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease}
.field::placeholder{color:var(--muted)}
.field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--focus)}

/* ---------- 侧栏导航 ---------- */
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar);height:100vh;background:var(--card);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:24px 16px;z-index:80}
.brand{display:flex;align-items:center;gap:12px;padding:0 8px 0 8px}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:19px;font-weight:700;flex:0 0 40px}
.brand-name{font-family:var(--serif);font-size:17px;font-weight:700;line-height:1.3;color:var(--ink)}
.brand-desc{font-size:11.5px;color:var(--muted);letter-spacing:.04em;line-height:1.5}
.side-nav{margin-top:28px;display:flex;flex-direction:column;gap:4px}
.nav-label{font-size:11.5px;letter-spacing:.14em;color:var(--muted);padding:0 12px;margin-bottom:6px}
.nav-item{position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:var(--r-btn);font-size:14px;color:var(--ink-2);transition:background-color .18s ease,color .18s ease}
.nav-item:hover{background:var(--primary-050);color:var(--primary)}
.nav-item.active{background:var(--primary-050);color:var(--primary);font-weight:600}
.nav-item.active::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--primary)}
.nav-item svg{flex:0 0 18px;width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.5}
.side-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px}
.side-card{background:var(--sunken);border-radius:12px;padding:16px;margin-bottom:14px}
.side-card h4{font-size:14px;font-family:var(--sans);font-weight:700;margin-bottom:6px}
.side-card p{font-size:12.5px;line-height:1.7;color:var(--muted);margin:0 0 12px}
.side-copy{font-size:11.5px;color:var(--muted);line-height:1.7;padding:0 4px}

/* ---------- 移动顶栏 & 抽屉 ---------- */
.topbar{display:none;position:sticky;top:0;z-index:90;height:60px;background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;padding:0 20px}
.topbar .brand{padding:0}
.menu-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .18s ease}
.menu-btn:hover{background:var(--primary-050)}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:1.5}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(20,32,29,.45);z-index:75}
.drawer-mask.open{display:block}
.drawer-close{margin-left:auto;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;display:none;align-items:center;justify-content:center;cursor:pointer;flex:0 0 40px}
.drawer-close svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:1.5}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 96px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(250,248,243,.88),rgba(250,248,243,.96)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.9;pointer-events:none}
.hero-inner{position:relative}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;min-height:560px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.06em;color:var(--primary);background:var(--primary-050);border-radius:999px;padding:6px 14px;margin-bottom:22px}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--primary);border-bottom:3px solid var(--accent-050)}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:460px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted)}
.hero-points span{display:inline-flex;align-items:center;gap:7px}
.hero-points svg{width:15px;height:15px;stroke:var(--primary);fill:none;stroke-width:1.8}
.hero-visual{position:relative;min-height:460px}
.hero-visual__bg{position:absolute;inset:0 0 44px 0;border-radius:var(--r-img);border:1px solid var(--line);overflow:hidden;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.hero-visual__bg::after{content:"";position:absolute;inset:0;background:rgba(30,92,81,.14)}
.hero-visual__card{position:absolute;right:0;bottom:0;width:62%;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-md);background:#fff}
.hero-visual__card img{width:100%;height:230px;object-fit:cover;border-radius:0}
.hero-visual__card figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;background:#fff;border-top:1px solid var(--line)}
.hero-tag{position:absolute;left:20px;top:20px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px;font-size:12.5px;color:var(--primary);box-shadow:var(--sh-sm)}

/* ---------- 主张带 ---------- */
.claims{display:grid;grid-template-columns:repeat(3,1fr);background:var(--card)}
.claim{padding:36px 32px;border-right:1px solid var(--line)}
.claim:last-child{border-right:none}
.claim-num{font-family:var(--serif);font-size:15px;color:var(--accent);letter-spacing:.08em;margin-bottom:12px}
.claim h3{font-size:19px;margin-bottom:8px;font-family:var(--serif)}
.claim p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}

/* ---------- 故事区 ---------- */
.story-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.story-body p{color:var(--ink-2);line-height:1.95}
.story-stat{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);display:flex;align-items:baseline;gap:16px}
.story-stat strong{font-family:var(--serif);font-size:40px;color:var(--primary);line-height:1;font-variant-numeric:tabular-nums}
.story-stat span{font-size:13.5px;color:var(--muted);line-height:1.7}
.story-figure{border-radius:var(--r-img);border:1px solid var(--line);overflow:hidden;background:#fff}
.story-figure img{width:100%;height:340px;object-fit:cover;border-radius:0}
.story-figure figcaption{font-size:12.5px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--line)}

/* ---------- 精选内容卡 ---------- */
.featured-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px}
.featured-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.post-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-md)}
.post-card__media{overflow:hidden;border-bottom:1px solid var(--line)}
.post-card__media img{width:100%;height:200px;object-fit:cover;border-radius:0;transition:transform .4s ease}
.post-card:hover .post-card__media img{transform:scale(1.03)}
.post-card--lead .post-card__media img{height:280px}
.post-card--mini{flex-direction:row;align-items:stretch}
.post-card--mini .post-card__media{width:42%;border-bottom:none;border-right:1px solid var(--line);flex:0 0 42%}
.post-card--mini .post-card__media img{height:100%;min-height:100%}
.post-card__body{padding:24px;display:flex;flex-direction:column;flex:1}
.post-card__body .badge{align-self:flex-start;margin-bottom:14px}
.post-card h3{font-size:21px;line-height:1.45;margin-bottom:12px}
.post-card--mini h3{font-size:17px;margin-bottom:8px}
.post-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:18px}
.post-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.post-card__arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600}
.post-card__arrow svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8;transition:transform .2s ease}
.post-card:hover .post-card__arrow svg{transform:translateX(3px)}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cms-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.cms-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-md)}
.cms-card .badge{align-self:flex-start;margin-bottom:14px}
.cms-card__title{font-size:19px;line-height:1.5;margin-bottom:10px}
.cms-card__text{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:18px}
.cms-card__meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.cms-empty{border:1px dashed var(--line);border-radius:var(--r-card);padding:56px 24px;text-align:center;background:var(--card)}
.cms-empty svg{width:36px;height:36px;stroke:var(--muted);fill:none;stroke-width:1.5;margin:0 auto 16px}
.cms-empty p{font-size:14px;color:var(--muted);margin-bottom:18px}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0;font-size:17px;font-family:var(--serif);font-weight:600;color:var(--ink);transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--muted);transition:transform .2s ease,background-color .2s ease}
.faq-icon::before{left:0;right:0;top:8px;height:1.5px}
.faq-icon::after{top:0;bottom:0;left:8px;width:1.5px}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-item[open] .faq-icon::before{background:var(--primary)}
.faq-answer{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--ink-2);max-width:660px}
.faq-aside{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px}
.faq-aside h3{font-size:19px;margin-bottom:12px}
.faq-aside p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.faq-aside ul{list-style:none;margin:18px 0 22px;padding:0}
.faq-aside li{display:flex;gap:10px;font-size:14px;color:var(--ink-2);padding:8px 0;border-bottom:1px dashed var(--line)}
.faq-aside li:last-child{border-bottom:none}
.faq-aside li svg{width:16px;height:16px;stroke:var(--primary);fill:none;stroke-width:1.8;flex:0 0 16px;margin-top:5px}

/* ---------- 背书 / 统计 ---------- */
.proof-row{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-bottom:48px}
.proof-item{display:flex;align-items:center;justify-content:center;height:72px;border:1px solid var(--line);border-radius:12px;background:var(--card);font-size:13.5px;color:var(--muted);letter-spacing:.06em;text-align:center;padding:0 12px;transition:border-color .2s ease,color .2s ease}
.proof-item:hover{border-color:var(--primary);color:var(--primary)}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;border-top:1px solid var(--line);padding-top:40px}
.stat strong{display:block;font-family:var(--serif);font-size:38px;line-height:1.1;color:var(--primary)}
.stat span{font-size:14px;color:var(--muted);display:block;margin-top:8px}

/* ---------- CTA ---------- */
.cta-band{background:var(--primary);border-radius:16px;padding:48px;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;box-shadow:var(--sh-lg)}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;margin:0;max-width:520px}
.sub-form{display:flex;gap:12px;width:480px;max-width:100%}
.sub-form .field{border-color:transparent}
.sub-form .field:focus{border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
.form-note{margin:14px 0 0;font-size:12.5px;color:rgba(255,255,255,.72);min-height:18px}

/* ---------- 页脚 ---------- */
.site-foot{background:#14201D;color:#C9D3CF;margin-top:auto}
.foot-inner{padding:72px 48px 32px;max-width:1240px;margin:0 auto;width:100%}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand .brand-name{color:#fff}
.foot-brand p{font-size:13.5px;line-height:1.85;color:#93A29D;margin:16px 0 20px;max-width:300px}
.foot-social{display:flex;gap:10px}
.foot-social span{width:36px;height:36px;border:1px solid rgba(255,255,255,.18);border-radius:10px;display:flex;align-items:center;justify-content:center;transition:border-color .2s ease,background-color .2s ease}
.foot-social span:hover{border-color:#fff;background:rgba(255,255,255,.06)}
.foot-social svg{width:17px;height:17px;stroke:#C9D3CF;fill:none;stroke-width:1.5}
.foot-col h4{color:#fff;font-family:var(--sans);font-size:14px;font-weight:700;margin-bottom:18px;letter-spacing:.04em}
.foot-col ul{list-style:none;margin:0;padding:0}
.foot-col li{margin-bottom:11px}
.foot-col a{font-size:13.5px;color:#93A29D;transition:color .18s ease}
.foot-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-bottom{margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot-bottom p{font-size:12.5px;color:#7E8D88;margin:0}
.to-top{font-size:12.5px;color:#C9D3CF;display:inline-flex;align-items:center;gap:6px}
.to-top svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:1.8}
.to-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .container{padding:0 32px}
  .foot-inner{padding:64px 32px 28px}
  .hero h1{font-size:38px}
  .proof-row{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  .sidebar{transform:translateX(-100%);transition:transform .25s ease;width:84vw;max-width:320px;box-shadow:var(--sh-lg);padding:20px 14px}
  .sidebar.open{transform:none}
  .drawer-close{display:flex}
  .shell{padding-left:0}
  .topbar{display:flex}
  .hero{padding:48px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px;min-height:0}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-visual{min-height:340px}
  .hero-visual__bg{inset:0 0 32px 0}
  .hero-visual__card img{height:170px}
  .section{padding:64px 0}
  .story-grid,.faq-wrap,.featured-grid{grid-template-columns:1fr;gap:36px}
  .featured-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .sub-form{width:100%}
  .foot-grid{grid-template-columns:1fr 1fr;gap:36px 24px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 20px}
  .foot-inner{padding:56px 20px 24px}
  .sec-title{font-size:24px}
  .claims{grid-template-columns:1fr}
  .claim{border-right:none;border-bottom:1px solid var(--line);padding:28px 24px}
  .claim:last-child{border-bottom:none}
  .cms-grid{grid-template-columns:1fr}
  .featured-side{grid-template-columns:1fr}
  .post-card--mini .post-card__media{width:38%;flex:0 0 38%}
  .stats-row{grid-template-columns:1fr;gap:24px}
  .stat strong{font-size:32px}
  .proof-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .hero-visual__card{width:74%}
  .hero-visual__card img{height:150px}
  .post-card--mini{flex-direction:column}
  .post-card--mini .post-card__media{width:100%;flex:0 0 auto;border-right:none;border-bottom:1px solid var(--line)}
  .post-card--mini .post-card__media img{height:170px}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .proof-row{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --primary:#1E5C51;
  --primary-700:#17493F;
  --primary-050:#EAF2EF;
  --accent:#D2763B;
  --accent-050:#FBEFE5;
  --ink:#14201D;
  --ink-2:#3E4C48;
  --muted:#6E7C77;
  --bg:#FAF8F3;
  --card:#FFFFFF;
  --sunken:#F1EDE4;
  --line:#E4DED2;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --r-card:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(20,32,29,.05);
  --sh-md:0 6px 18px -8px rgba(20,32,29,.14);
  --sh-lg:0 18px 40px -20px rgba(20,32,29,.22);
  --side-w:264px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;}
button{font-family:inherit;}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid rgba(44,122,105,.35);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:var(--primary-050);color:var(--primary-700);}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--side-w);
  height:100vh;
  background:#fff;
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  z-index:70;
  transition:transform .28s ease;
}
.side-head{
  padding:24px;
  border-bottom:1px solid var(--line);
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  text-decoration:none;
}
.brand-mark{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  font-family:var(--serif);
  font-size:19px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-sm);
  flex:none;
}
.brand-name{
  display:block;
  font-family:var(--serif);
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
  line-height:1.35;
}
.brand-desc{
  display:block;
  font-size:11.5px;
  color:var(--muted);
  letter-spacing:.14em;
  line-height:1.5;
}
.side-nav{
  padding:20px 12px;
  display:flex;
  flex-direction:column;
  gap:4px;
}
.side-nav a{
  position:relative;
  display:flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  font-size:14px;
  color:var(--ink-2);
  text-decoration:none;
  transition:background .18s ease,color .18s ease;
}
.side-nav a::before{
  content:"";
  position:absolute;
  left:0;top:11px;bottom:11px;
  width:3px;
  border-radius:2px;
  background:transparent;
  transition:background .18s ease;
}
.side-nav a:hover{background:var(--primary-050);color:var(--primary-700);}
.side-nav a.active{background:var(--primary-050);color:var(--primary);font-weight:600;}
.side-nav a.active::before{background:var(--primary);}
.side-spacer{flex:1;}
.side-foot{
  margin:0 16px 20px;
  padding:16px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
}
.side-foot h5{
  margin:0 0 6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--ink);
}
.side-foot p{
  margin:0 0 12px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--muted);
}
.side-foot .btn{
  width:100%;
  justify-content:center;
  height:38px;
  font-size:13.5px;
  padding:0 14px;
}
.side-copy{
  padding:0 24px 22px;
  font-size:11.5px;
  color:var(--muted);
  letter-spacing:.04em;
  line-height:1.7;
}
.overlay{
  position:fixed;
  inset:0;
  background:rgba(20,32,29,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:65;
}
.overlay.show{opacity:1;visibility:visible;}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  background:#fff;
  border-bottom:1px solid var(--line);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:75;
}
.topbar .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
.topbar .brand-name{font-size:14.5px;}
.topbar .brand-desc{font-size:10.5px;letter-spacing:.1em;}
.menu-btn{
  width:40px;height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-2);
  cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:var(--primary-050);border-color:var(--primary);color:var(--primary-700);}
.menu-btn svg{width:20px;height:20px;}

/* ---------- 主区 ---------- */
.shell-main{
  padding-left:var(--side-w);
  min-height:100vh;
  background:var(--bg);
}
.container{
  max-width:1240px;
  margin:0 auto;
  padding:0 48px;
}
.read-col{max-width:720px;}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;
  min-height:180px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(30,92,81,.86) 0%,rgba(30,92,81,.55) 60%,rgba(30,92,81,.3) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner .container{
  padding-top:44px;
  padding-bottom:34px;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:rgba(255,255,255,.82);
  margin:0 0 14px;
}
.crumb a{
  color:rgba(255,255,255,.9);
  text-decoration:none;
  transition:color .18s ease;
}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumb span.sep{opacity:.55;}
.crumb .current{color:#fff;font-weight:600;}
.banner-title{
  font-family:var(--serif);
  font-size:26px;
  line-height:1.4;
  color:#fff;
  margin:0;
  max-width:760px;
  letter-spacing:.01em;
}

/* ---------- 文章头 ---------- */
.article-head{
  padding:48px 0 0;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--primary-050);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-accent{
  background:transparent;
  border:1px solid var(--accent);
  color:var(--accent);
}
.article-head h1{
  font-family:var(--serif);
  font-size:36px;
  line-height:1.35;
  margin:16px 0 14px;
  letter-spacing:.01em;
  color:var(--ink);
}
.meta-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  margin:0;
}
.meta-row .dot{opacity:.55;}
.head-rule{
  height:1px;
  background:var(--line);
  margin:28px 0 0;
  border:0;
}

/* ---------- 正文 ---------- */
.article-wrap{padding:40px 0 0;}
.article-body{
  max-width:720px;
  font-size:16.5px;
  line-height:1.9;
  color:var(--ink-2);
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.6em;}
.article-body h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.45;
  color:var(--ink);
  margin:2.4em 0 .8em;
  padding-left:14px;
  border-left:3px solid var(--primary);
}
.article-body h3{
  font-family:var(--serif);
  font-size:22px;
  line-height:1.5;
  color:var(--ink);
  margin:2em 0 .6em;
}
.article-body h4{
  font-size:18px;
  color:var(--ink);
  margin:1.8em 0 .5em;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.6em;
  padding-left:1.4em;
  line-height:1.85;
}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--primary);}
.article-body blockquote{
  margin:1.8em 0;
  padding:20px;
  background:var(--primary-050);
  border-left:3px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid var(--line);
  margin:1.6em 0;
}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{
  font-size:13px;
  color:var(--muted);
  text-align:center;
  margin-top:10px;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{
  background:var(--primary-050);
  color:var(--primary-700);
  font-weight:600;
}
.article-body a{
  color:var(--primary);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .18s ease,text-underline-offset .18s ease;
}
.article-body a:hover{color:var(--primary-700);text-underline-offset:5px;}
.article-body hr{
  border:0;
  height:1px;
  background:var(--line);
  margin:2.4em 0;
}
.article-body code{
  background:var(--sunken);
  border-radius:6px;
  padding:2px 6px;
  font-size:14.5px;
  color:var(--primary-700);
}

/* ---------- 标签 / 前后导航 ---------- */
.tag-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  max-width:720px;
  margin:40px 0 0;
}
.tag-row .label{
  font-size:12.5px;
  color:var(--muted);
  margin-right:4px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:12.5px;
  color:var(--ink-2);
  text-decoration:none;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-050);}
.foot-nav{
  max-width:720px;
  margin:28px 0 0;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--primary);
  text-decoration:none;
  font-weight:600;
  transition:color .18s ease,gap .18s ease;
}
.text-link:hover{color:var(--primary-700);gap:12px;}
.text-link svg{width:16px;height:16px;}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:720px;
  padding:56px 32px;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:#fff;
  text-align:center;
}
.empty-state .ico{
  width:52px;height:52px;
  border-radius:14px;
  background:var(--primary-050);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
}
.empty-state .ico svg{width:24px;height:24px;}
.empty-state h2{
  font-family:var(--serif);
  font-size:24px;
  margin:0 0 10px;
  color:var(--ink);border:0;padding:0;
}
.empty-state p{
  margin:0 auto 24px;
  max-width:420px;
  color:var(--muted);
  font-size:14.5px;
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  text-decoration:none;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn svg{width:17px;height:17px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-ghost{background:transparent;color:var(--primary-700);border-color:var(--line);}
.btn-ghost:hover{background:var(--primary-050);border-color:var(--primary);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-700);}
.btn-light:hover{background:var(--primary-050);transform:translateY(-1px);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}

/* ---------- 板块标题 ---------- */
.section{padding:72px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.section-head h2{
  font-family:var(--serif);
  font-size:30px;
  line-height:1.4;
  margin:0;
  padding-left:14px;
  border-left:3px solid var(--primary);
  color:var(--ink);
}
.section-head p{
  margin:8px 0 0 17px;
  font-size:14px;
  color:var(--muted);
}

/* ---------- 推荐卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  text-decoration:none;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-md);}
.card-thumb{
  aspect-ratio:16/10;
  background:var(--primary-050);
  position:relative;
  overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{
  font-family:var(--serif);
  font-size:19px;
  line-height:1.5;
  margin:0;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-body p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:auto;
  padding-top:6px;
}
.card-foot time{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.card-foot .arrow{
  width:28px;height:28px;
  border-radius:8px;
  background:var(--primary-050);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.card-foot .arrow svg{width:15px;height:15px;}
.card:hover .card-foot .arrow{background:var(--primary);color:#fff;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:80px;
  background:var(--primary);
  border-radius:18px;
  padding:48px;
  display:grid;
  grid-template-columns:1.2fr 1fr;
  gap:40px;
  align-items:center;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:260px;height:260px;
  border-radius:50%;
  background:rgba(255,255,255,.05);
}
.cta-band h2{
  font-family:var(--serif);
  font-size:28px;
  line-height:1.45;
  margin:0 0 12px;
  color:#fff;
}
.cta-band p{
  margin:0;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.82);
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;position:relative;z-index:1;}
.sub-form input{
  flex:1;
  min-width:200px;
  height:48px;
  padding:0 16px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.3);
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:15px;
  font-family:inherit;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.sub-form input::placeholder{color:rgba(255,255,255,.6);}
.sub-form input:focus{
  outline:none;
  border-color:#fff;
  background:rgba(255,255,255,.2);
  box-shadow:0 0 0 3px rgba(255,255,255,.22);
}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;
  background:var(--sunken);
  border-top:1px solid var(--line);
}
.foot-inner{
  max-width:1240px;
  margin:0 auto;
  padding:56px 48px 28px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:32px;
}
.foot-brand .brand-desc{
  font-size:11.5px;
  letter-spacing:.12em;
  margin-top:2px;
}
.foot-brand p{
  margin:14px 0 0;
  font-size:13.5px;
  line-height:1.85;
  color:var(--muted);
  max-width:340px;
}
.foot-social{
  display:flex;
  gap:10px;
  margin-top:16px;
}
.foot-social span{
  width:34px;height:34px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:border-color .18s ease,background .18s ease;
  cursor:default;
}
.foot-social span:hover{border-color:var(--primary);background:var(--primary-050);}
.foot-col h4{
  margin:0 0 14px;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  letter-spacing:.02em;
}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-col a{
  font-size:13.5px;
  color:var(--muted);
  text-decoration:none;
  transition:color .18s ease;
}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px;}
.foot-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.foot-bottom p{
  margin:0;
  font-size:12.5px;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  color:var(--ink-2);
  text-decoration:none;
  transition:color .18s ease,gap .18s ease;
}
.to-top:hover{color:var(--primary);gap:10px;}
.to-top svg{width:15px;height:15px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .sidebar{transform:translateX(-100%);box-shadow:var(--sh-lg);}
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .shell-main{padding-left:0;padding-top:60px;}
  .container{padding:0 32px;}
  .foot-inner{padding:48px 32px 24px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .article-head h1{font-size:30px;}
  .page-banner .container{padding-top:36px;padding-bottom:28px;}
  .banner-title{font-size:22px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .article-head{padding-top:36px;}
  .article-head h1{font-size:27px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:23px;margin-top:2em;}
  .article-body h3{font-size:19px;}
  .section{padding:56px 0 0;}
  .section-head h2{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{margin-top:56px;border-radius:14px;padding:32px 22px;}
  .cta-band h2{font-size:22px;}
  .site-foot{margin-top:64px;}
  .foot-inner{padding:40px 20px 22px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-brand p{max-width:none;}
  .page-banner{min-height:150px;}
  .banner-title{font-size:19px;}
  .empty-state{padding:40px 20px;}
}
@media (max-width:520px){
  .article-head h1{font-size:23px;line-height:1.4;}
  .banner-title{font-size:17px;}
  .crumb{font-size:12px;}
  .sub-form input{min-width:100%;}
  .sub-form .btn{width:100%;}
  .foot-nav{flex-direction:column;align-items:flex-start;gap:12px;}
  .btn{padding:0 18px;font-size:14.5px;}
}

/* roulang page: category1 */
:root{
    --primary:#1E5C51;
    --primary-700:#17493F;
    --primary-050:#EAF2EF;
    --accent:#D2763B;
    --accent-050:#FBEFE5;
    --ink:#14201D;
    --ink-2:#3E4C48;
    --muted:#6E7C77;
    --page:#FAF8F3;
    --card:#FFFFFF;
    --sink:#F1EDE4;
    --line:#E4DED2;
    --ring:rgba(44,122,105,.35);
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
    --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --r-card:14px;
    --r-btn:10px;
    --sh-sm:0 1px 2px rgba(20,32,29,.05);
    --sh-md:0 6px 18px -8px rgba(20,32,29,.14);
    --sh-lg:0 18px 40px -20px rgba(20,32,29,.22);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--page);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.9;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
    text-rendering:optimizeLegibility;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  p{margin:0 0 1.6em}
  button,input{font:inherit}
  svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  ::selection{background:var(--primary-050);color:var(--primary-700)}
  :focus-visible{outline:2px solid var(--ring);outline-offset:2px;border-radius:6px}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:3px}

  /* ---------- 左侧导航 ---------- */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:264px;
    background:#fff;border-right:1px solid var(--line);
    display:flex;flex-direction:column;
    padding:24px 20px;z-index:60;overflow-y:auto;
  }
  .brand{display:flex;align-items:center;gap:12px}
  .brand-mark{
    width:40px;height:40px;flex:none;border-radius:12px;
    background:var(--primary);color:#fff;display:grid;place-items:center;
    font-family:var(--serif);font-size:19px;font-weight:700;
  }
  .brand-name{display:block;font-family:var(--serif);font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.4}
  .brand-desc{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.06em;line-height:1.6}
  .side-nav{margin-top:28px;display:flex;flex-direction:column;gap:4px}
  .nav-item{
    position:relative;display:flex;align-items:center;
    height:44px;padding:0 12px 0 16px;border-radius:var(--r-btn);
    font-size:14px;color:var(--ink-2);
    transition:background .18s ease,color .18s ease;
  }
  .nav-item::before{
    content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
    border-radius:3px;background:transparent;transition:background .18s ease;
  }
  .nav-item:hover{background:var(--primary-050);color:var(--primary-700)}
  .nav-item.active{background:var(--primary-050);color:var(--primary);font-weight:600}
  .nav-item.active::before{background:var(--accent)}
  .side-spacer{flex:1;min-height:28px}
  .side-card{
    border:1px solid var(--line);border-radius:var(--r-card);
    background:var(--page);padding:18px;
  }
  .side-card h3{font-family:var(--serif);font-size:14.5px;margin:0 0 6px;color:var(--ink)}
  .side-card p{font-size:12.5px;line-height:1.75;color:var(--muted);margin:0 0 12px}
  .side-card a{
    display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);
  }
  .side-card a svg{width:15px;height:15px}
  .side-card a:hover{text-decoration:underline;text-underline-offset:4px}
  .side-foot{margin:18px 0 0;font-size:11.5px;color:var(--muted);line-height:1.7}
  #navClose{display:none}

  /* ---------- 顶部栏（移动端） ---------- */
  .topbar{display:none}
  .menu-btn{
    width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:#fff;display:grid;place-items:center;color:var(--ink-2);
  }
  .menu-btn svg{width:20px;height:20px}
  .menu-btn:hover{background:var(--primary-050);color:var(--primary)}
  .navMask{display:none}

  /* ---------- 主体 ---------- */
  .main{margin-left:264px;min-height:100vh;display:flex;flex-direction:column}
  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
  .section{padding:96px 0}
  .section-sink{background:var(--sink)}

  /* ---------- 页面横幅 ---------- */
  .page-hero{
    position:relative;color:#fff;
    background-color:var(--primary-700);
    background-image:linear-gradient(rgba(30,92,81,.82),rgba(23,73,63,.86)),url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    padding:44px 0 56px;min-height:240px;
    display:flex;align-items:center;
  }
  .crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
  .crumbs a{color:rgba(255,255,255,.82)}
  .crumbs a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
  .crumbs span.sep{opacity:.55}
  .hero-badge{
    display:inline-flex;align-items:center;gap:8px;height:24px;padding:0 10px;
    border-radius:999px;border:1px solid rgba(255,255,255,.5);
    font-size:12px;letter-spacing:.04em;color:#fff;margin-bottom:18px;
    font-variant-numeric:tabular-nums;
  }
  .hero-title{
    font-family:var(--serif);font-weight:700;
    font-size:clamp(30px,3.4vw,44px);line-height:1.24;
    margin:0 0 18px;max-width:820px;letter-spacing:.01em;
  }
  .hero-lead{
    font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.88);
    max-width:720px;margin:0;
  }
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 24px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;border:1px solid transparent;
    transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
    cursor:pointer;
  }
  .btn svg{width:16px;height:16px}
  .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
  .btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-md)}
  .btn-accent{background:var(--accent);color:#fff}
  .btn-accent:hover{background:#BE6630;transform:translateY(-1px);box-shadow:var(--sh-md)}
  .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
  .btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
  .btn-line{background:#fff;color:var(--primary);border-color:var(--line)}
  .btn-line:hover{background:var(--primary-050);border-color:var(--primary);transform:translateY(-1px)}
  .btn-sm{height:36px;padding:0 16px;font-size:13.5px}

  /* ---------- 概览数据 ---------- */
  .overview{padding:64px 0 8px}
  .stat-row{
    display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:24px;
    border-top:1px solid var(--line);padding-top:36px;
  }
  .stat{padding-right:12px}
  .stat .num{
    font-family:var(--serif);font-size:40px;line-height:1.1;color:var(--primary);
    font-variant-numeric:tabular-nums;display:block;margin-bottom:8px;
  }
  .stat .num small{font-size:16px;margin-left:4px;color:var(--ink-2)}
  .stat p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}
  .stat + .stat{border-left:1px solid var(--line);padding-left:24px}

  /* ---------- 正文排版 ---------- */
  .sec-title{
    font-family:var(--serif);font-size:clamp(24px,2.3vw,30px);line-height:1.35;
    margin:0 0 18px;padding-left:14px;border-left:3px solid var(--primary);
  }
  .sub-title{font-family:var(--serif);font-size:19px;margin:32px 0 12px}
  .read-col{max-width:720px}
  .text-body p{color:var(--ink-2);margin-bottom:1.6em}
  .text-body p:last-child{margin-bottom:0}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12.5px;letter-spacing:.08em;color:var(--accent);
    font-weight:600;font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .eyebrow::after{content:"";width:26px;height:1px;background:var(--line)}

  /* ---------- 图文交替 ---------- */
  .split{
    display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
    padding:64px 0;border-top:1px solid var(--line);
  }
  .split:first-of-type{border-top:0;padding-top:8px}
  .split.flip{grid-template-columns:5fr 7fr}
  .split.flip .split-media{order:2}
  .split.flip .split-text{order:1}
  .media-frame{
    border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
    background:var(--primary-050);box-shadow:var(--sh-md);
  }
  .media-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .media-cap{font-size:12.5px;color:var(--muted);margin:10px 0 0}
  .check-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
  .check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.8;color:var(--ink-2)}
  .check-list svg{width:18px;height:18px;flex:none;margin-top:6px;stroke:var(--primary);stroke-width:1.7}
  .note-card{
    margin-top:24px;border-left:3px solid var(--primary);background:var(--primary-050);
    border-radius:0 var(--r-card) var(--r-card) 0;padding:20px 22px;
  }
  .note-card p{margin:0;font-size:14.5px;line-height:1.85;color:var(--ink-2)}

  /* ---------- 场景列表行 ---------- */
  .scene-list{border-top:1px solid var(--line);margin-top:32px}
  .scene-row{
    display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:baseline;
    padding:20px 24px;border-bottom:1px solid var(--line);
    transition:background .18s ease,transform .18s ease;
  }
  .scene-row:hover{background:#fff;transform:translateX(2px)}
  .scene-row .scene-name{
    font-family:var(--serif);font-size:17px;font-weight:700;color:var(--ink);
    display:flex;align-items:center;gap:10px;
  }
  .scene-row .scene-name i{
    font-style:normal;font-size:12.5px;color:var(--accent);
    font-variant-numeric:tabular-nums;font-weight:700;
  }
  .scene-row .scene-desc{margin:0;font-size:15px;line-height:1.85;color:var(--muted)}

  /* ---------- 常见疑问 ---------- */
  .faq-wrap{margin-top:28px;border-top:1px solid var(--line)}
  .faq-item{border-bottom:1px solid var(--line);padding:20px 0}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:18px;
    align-items:flex-start;font-family:var(--serif);font-size:17.5px;font-weight:700;
    color:var(--ink);line-height:1.6;transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary:hover{color:var(--primary)}
  .faq-item[open] summary{color:var(--primary)}
  .faq-icon{position:relative;width:20px;height:20px;flex:none;margin-top:6px}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--primary);border-radius:2px;
  }
  .faq-icon::before{left:2px;right:2px;top:9px;height:2px}
  .faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;transition:transform .2s ease,opacity .2s ease}
  .faq-item[open] .faq-icon::after{transform:scaleY(0);opacity:0}
  .faq-answer{padding-top:14px;max-width:720px}
  .faq-answer p{margin:0;font-size:15.5px;line-height:1.9;color:var(--ink-2)}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--primary);color:#fff;border-radius:20px;
    padding:48px;display:grid;grid-template-columns:1fr 470px;gap:44px;align-items:center;
    box-shadow:var(--sh-lg);
  }
  .cta-band h2{font-family:var(--serif);font-size:clamp(22px,2.2vw,28px);margin:0 0 12px;color:#fff}
  .cta-band p{margin:0;font-size:15px;line-height:1.85;color:rgba(255,255,255,.86);max-width:520px}
  .cta-form{display:grid;grid-template-columns:1fr auto;gap:12px}
  .cta-form input{
    height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);
    background:rgba(255,255,255,.12);color:#fff;padding:0 16px;font-size:15px;
    transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .cta-form input::placeholder{color:rgba(255,255,255,.66)}
  .cta-form input:focus{
    outline:none;border-color:#fff;background:rgba(255,255,255,.2);
    box-shadow:0 0 0 3px rgba(255,255,255,.22);
  }
  .cta-form .btn{height:48px}
  .form-tip{grid-column:1 / -1;font-size:12.5px;color:rgba(255,255,255,.7);margin:2px 0 0}

  /* ---------- 页脚 ---------- */
  .site-foot{background:var(--sink);border-top:1px solid var(--line);margin-top:auto}
  .foot-inner{max-width:1240px;margin:0 auto;padding:64px 48px 32px}
  .foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px}
  .foot-brand p{font-size:14px;line-height:1.85;color:var(--muted);margin:14px 0 16px;max-width:340px}
  .foot-social{display:flex;gap:10px}
  .foot-social span{
    width:34px;height:34px;border:1px solid var(--line);border-radius:var(--r-btn);
    background:#fff;display:grid;place-items:center;color:var(--primary);
    transition:background .18s ease,transform .18s ease,border-color .18s ease;
  }
  .foot-social span:hover{background:var(--primary-050);border-color:var(--primary);transform:translateY(-2px)}
  .foot-social svg{width:16px;height:16px}
  .foot-col h4{font-family:var(--serif);font-size:14.5px;margin:0 0 16px;color:var(--ink)}
  .foot-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
  .foot-col a{font-size:14px;color:var(--ink-2);transition:color .18s ease}
  .foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
  .foot-bottom{
    display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
    margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
    font-size:12.5px;color:var(--muted);
  }
  .foot-bottom p{margin:0}
  .to-top{display:inline-flex;align-items:center;gap:6px;color:var(--ink-2);transition:color .18s ease}
  .to-top svg{width:15px;height:15px}
  .to-top:hover{color:var(--primary)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .topbar{
      display:flex;position:sticky;top:0;height:60px;align-items:center;justify-content:space-between;
      padding:0 20px;background:#fff;border-bottom:1px solid var(--line);z-index:50;
    }
    .topbar .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px}
    .topbar .brand-name{font-size:15px}
    .topbar .brand-desc{font-size:11px}
    .sidebar{
      transform:translateX(-100%);transition:transform .28s ease;
      width:84vw;max-width:320px;box-shadow:var(--sh-lg);padding:20px;
    }
    .sidebar.open{transform:translateX(0)}
    #navClose{
      display:grid;place-items:center;width:40px;height:40px;flex:none;
      border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--ink-2);
    }
    #navClose svg{width:18px;height:18px}
    #navClose:hover{background:var(--primary-050);color:var(--primary)}
    .sidebar-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .navMask{
      display:block;position:fixed;inset:0;background:rgba(20,32,29,.45);
      opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:55;
    }
    .navMask.show{opacity:1;visibility:visible}
    .main{margin-left:0}
    .container{padding:0 32px}
    .section{padding:72px 0}
    .split{grid-template-columns:1fr;gap:32px;padding:48px 0}
    .split.flip .split-media{order:0}
    .split.flip .split-text{order:0}
    .cta-band{grid-template-columns:1fr;gap:28px;padding:36px}
    .foot-inner{padding:52px 32px 28px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px 24px}
    .scene-row{grid-template-columns:1fr;gap:8px;padding:18px 16px}
  }
  @media (max-width:768px){
    body{font-size:16px}
    .container{padding:0 20px}
    .section{padding:56px 0}
    .overview{padding:44px 0 4px}
    .stat-row{grid-template-columns:1fr;gap:20px;padding-top:28px}
    .stat{padding-right:0}
    .stat + .stat{border-left:0;border-top:1px solid var(--line);padding-left:0;padding-top:20px}
    .stat .num{font-size:34px}
    .page-hero{padding:32px 0 40px;min-height:0}
    .hero-actions{gap:12px}
    .hero-actions .btn{width:100%}
    .cta-form{grid-template-columns:1fr}
    .foot-grid{grid-template-columns:1fr;gap:28px}
    .foot-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  }
  @media (max-width:520px){
    body{font-size:16px;line-height:1.85}
    .hero-title{font-size:27px;line-height:1.32}
    .hero-lead{font-size:15px}
    .sec-title{font-size:23px;padding-left:12px}
    .cta-band{padding:28px 22px;border-radius:16px}
    .foot-inner{padding:44px 20px 24px}
    .faq-item summary{font-size:16px}
  }

/* roulang page: category2 */
:root{
    --primary:#1E5C51;
    --primary-700:#17493F;
    --primary-050:#EAF2EF;
    --accent:#D2763B;
    --accent-050:#FBEFE5;
    --ink:#14201D;
    --ink-2:#3E4C48;
    --muted:#6E7C77;
    --paper:#FAF8F3;
    --card:#FFFFFF;
    --sink:#F1EDE4;
    --line:#E4DED2;
    --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
    --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --r-card:14px;
    --r-btn:10px;
    --sh-sm:0 1px 2px rgba(20,32,29,.05);
    --sh-md:0 6px 18px -8px rgba(20,32,29,.14);
    --sh-lg:0 18px 40px -20px rgba(20,32,29,.22);
    --ring:0 0 0 2px rgba(44,122,105,.35);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    font-size:16.5px;
    line-height:1.9;
    letter-spacing:.01em;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit}
  h1,h2,h3,h4{font-family:var(--serif);margin:0;letter-spacing:.01em}
  p{margin:0}
  ul{margin:0;padding:0;list-style:none}
  :focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  section[id]{scroll-margin-top:78px}

  .container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}

  /* ---------- 左侧栏 ---------- */
  .app{min-height:100vh}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:264px;z-index:80;
    background:var(--card);border-right:1px solid var(--line);
    display:flex;flex-direction:column;padding:24px 20px 20px;
  }
  .side-brand{display:flex;align-items:center;gap:12px;padding:0 4px 18px;border-bottom:1px solid var(--line)}
  .brand-mark{
    flex:none;width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;
    display:grid;place-items:center;font-family:var(--serif);font-size:20px;font-weight:700;
  }
  .brand-name{display:block;font-family:var(--serif);font-size:16px;font-weight:700;line-height:1.35}
  .brand-desc{display:block;font-size:11.5px;line-height:1.5;color:var(--muted);letter-spacing:.04em}
  .side-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px}
  .side-link{
    position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;border-radius:10px;
    font-size:14px;color:var(--ink-2);transition:background .18s ease,color .18s ease,transform .18s ease;
  }
  .side-link::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:transparent;
    transition:background .18s ease;
  }
  .side-link:hover{background:var(--sink);color:var(--ink);transform:translateX(1px)}
  .side-link.is-active{background:var(--primary-050);color:var(--primary);font-weight:600}
  .side-link.is-active::before{background:var(--primary)}
  .ic{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .side-foot{margin-top:auto;border:1px solid var(--line);border-radius:14px;background:var(--paper);padding:16px}
  .side-foot h3{font-size:14px;font-weight:700;margin-bottom:6px}
  .side-foot p{font-size:12.5px;line-height:1.75;color:var(--muted);margin-bottom:12px}
  .side-copy{margin-top:14px;font-size:11.5px;color:var(--muted);padding-left:4px}

  /* ---------- 主内容 ---------- */
  .main-wrap{padding-left:264px;display:flex;flex-direction:column;min-height:100vh}
  .topbar{display:none}
  .overlay{display:none}

  /* ---------- 通用 ---------- */
  .section{padding:80px 0}
  .section-sink{background:var(--sink);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
  .sec-title{position:relative;padding-left:16px;font-size:30px;line-height:1.32}
  .sec-title::before{content:"";position:absolute;left:0;top:.28em;bottom:.24em;width:3px;border-radius:2px;background:var(--primary)}
  .sec-sub{margin-top:10px;font-size:14.5px;color:var(--muted);max-width:640px}
  .eyebrow{font-size:12.5px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;font-family:var(--sans)}
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    background:var(--primary-050);color:var(--primary);font-size:12px;font-weight:600;letter-spacing:.02em;
  }
  .badge-accent{background:var(--accent-050);color:#A8571F;border:1px solid rgba(210,118,59,.35)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;
    border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
    transition:background .18s ease,transform .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  }
  .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-sm)}
  .btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--sh-md)}
  .btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
  .btn-ghost:hover{background:var(--primary-050);border-color:var(--primary);color:var(--primary)}
  .btn-accent{background:var(--accent);color:#fff}
  .btn-accent:hover{background:#B9642F;transform:translateY(-1px)}
  .btn-sm{height:36px;padding:0 16px;font-size:13.5px}

  .text-link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600}
  .text-link svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease}
  .text-link:hover{text-decoration:underline;text-underline-offset:4px}
  .text-link:hover svg{transform:translateX(3px)}

  /* ---------- 页头 ---------- */
  .page-head{
    position:relative;
    padding:66px 0 62px;
    border-bottom:1px solid var(--line);
    background-image:
      linear-gradient(100deg,rgba(250,248,243,.96) 0%,rgba(234,242,239,.86) 58%,rgba(30,92,81,.10) 100%),
      url('/assets/images/backpic/back-2.png');
    background-size:cover,cover;
    background-position:center,center;
    background-repeat:no-repeat,no-repeat;
  }
  .crumbs{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;margin-bottom:16px}
  .crumbs a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
  .crumbs span.sep{margin:0 8px;color:#B8B2A4}
  .page-head h1{margin:14px 0 12px;font-size:44px;line-height:1.22;max-width:820px}
  .page-head .lede{font-size:16.5px;color:var(--ink-2);max-width:620px}
  .head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

  /* ---------- 模块矩阵 ---------- */
  .layout{display:grid;grid-template-columns:minmax(0,1.72fr) minmax(0,1fr);gap:32px;align-items:start}
  .matrix{display:flex;flex-direction:column;gap:24px}
  .matrix-row{display:grid;gap:24px;grid-template-columns:7fr 5fr}
  .matrix-row.row-b{grid-template-columns:5fr 7fr}
  .card{
    display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-md)}
  .card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
  .card-num{font-family:var(--serif);font-size:26px;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
  .card h3{font-size:22px;line-height:1.4;margin-bottom:10px}
  .card p{font-size:15.5px;line-height:1.85;color:var(--ink-2)}
  .card .text-link{margin-top:auto;padding-top:18px}

  .aside-col{position:sticky;top:32px;display:flex;flex-direction:column;gap:24px}
  .aside-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm)}
  .aside-card h3{font-size:17px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
  .points li{display:flex;gap:10px;font-size:14.5px;line-height:1.8;color:var(--ink-2);padding:9px 0}
  .points li .dot{
    flex:none;width:20px;height:20px;margin-top:5px;border-radius:50%;background:var(--primary-050);
    color:var(--primary);display:grid;place-items:center;font-size:11.5px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .aside-figure{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--primary-050)}
  .aside-figure img{width:100%;height:180px;object-fit:cover}
  .aside-figure figcaption{font-size:12.5px;color:var(--muted);padding:10px 14px;background:var(--card);border-top:1px solid var(--line)}

  /* ---------- 表格 ---------- */
  .table-wrap{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);overflow:hidden;box-shadow:var(--sh-sm)}
  .table-scroll{overflow-x:auto}
  table{width:100%;border-collapse:collapse;min-width:660px}
  th,td{padding:16px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);vertical-align:top}
  th{background:var(--primary-050);color:var(--primary-700);font-weight:600;font-size:14px;letter-spacing:.02em}
  td:first-child{font-weight:600;color:var(--ink)}
  td{color:var(--ink-2)}
  tbody tr:last-child td{border-bottom:none}
  tbody tr:hover{background:var(--paper)}
  .table-note{font-size:13px;color:var(--muted);padding:14px 20px;border-top:1px solid var(--line);background:var(--card)}

  /* ---------- 操作顺序 ---------- */
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
  .step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
  .step:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--sh-md)}
  .step::after{
    content:"";position:absolute;top:44px;right:-24px;width:24px;height:1px;background:var(--line);
  }
  .step:last-child::after{display:none}
  .step-num{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--accent);font-variant-numeric:tabular-nums;letter-spacing:.08em;margin-bottom:10px}
  .step h3{font-size:19px;margin-bottom:8px}
  .step p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

  /* ---------- 深色场景区 ---------- */
  .dark-band{
    background:#14201D;color:#EAF2EF;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-lg);
    display:grid;grid-template-columns:1.05fr .95fr;
  }
  .dark-copy{padding:44px}
  .dark-copy h2{font-size:30px;line-height:1.32;color:#fff;margin-bottom:14px}
  .dark-copy > p{font-size:15.5px;color:#B8C7C2;max-width:520px}
  .dark-list{margin-top:26px;display:flex;flex-direction:column;gap:16px}
  .dark-list li{display:flex;gap:12px;padding-bottom:16px;border-bottom:1px solid rgba(234,242,239,.14)}
  .dark-list li:last-child{border-bottom:none;padding-bottom:0}
  .dark-list .mark{
    flex:none;width:26px;height:26px;border-radius:8px;background:rgba(210,118,59,.18);color:#E9A876;
    display:grid;place-items:center;font-size:12.5px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:3px;
  }
  .dark-list strong{display:block;font-size:16px;color:#fff;font-weight:600;margin-bottom:2px}
  .dark-list span{font-size:14.5px;color:#A9BAB4;line-height:1.8}
  .dark-figure{position:relative;min-height:320px}
  .dark-figure img{width:100%;height:100%;object-fit:cover}

  /* ---------- 数据与校阅 ---------- */
  .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:32px}
  .stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm)}
  .stat-num{font-family:var(--serif);font-size:40px;line-height:1.1;color:var(--primary);font-variant-numeric:tabular-nums}
  .stat p{margin-top:8px;font-size:14px;color:var(--muted)}
  .proof-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);display:grid;grid-template-columns:1.3fr 1fr;gap:28px}
  .proof-card h3{font-size:19px;margin-bottom:10px}
  .proof-card p{font-size:15px;color:var(--ink-2)}
  .proof-list li{display:flex;justify-content:space-between;gap:16px;font-size:14px;padding:10px 0;border-bottom:1px dashed var(--line);color:var(--ink-2)}
  .proof-list li:last-child{border-bottom:none}
  .proof-list b{font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:860px}
  .faq-item{border-bottom:1px solid var(--line);padding:20px 0}
  .faq-item:first-child{border-top:1px solid var(--line)}
  .faq-item summary{
    list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
    font-family:var(--serif);font-size:17.5px;font-weight:600;color:var(--ink);transition:color .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--muted);transition:color .2s ease}
  .faq-item[open] summary{color:var(--primary)}
  .faq-item[open] summary::after{content:"−";color:var(--primary)}
  .faq-item p{margin-top:12px;font-size:15.5px;color:var(--ink-2);max-width:760px}

  /* ---------- CTA ---------- */
  .cta-band{
    background:var(--primary);color:#fff;border-radius:var(--r-card);padding:44px;
    display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;box-shadow:var(--sh-lg);
    background-image:radial-gradient(120% 140% at 100% 0%,rgba(210,118,59,.22) 0%,rgba(30,92,81,0) 60%);
  }
  .cta-band h2{font-size:30px;line-height:1.32;color:#fff;margin-bottom:12px}
  .cta-band p{font-size:15.5px;color:#CFE2DD;max-width:460px}
  .sub-form{display:flex;gap:12px;align-items:center}
  .sub-input{
    flex:1;height:48px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.35);
    background:#fff;color:var(--ink);padding:0 16px;font-size:14.5px;
  }
  .sub-input::placeholder{color:var(--muted)}
  .sub-input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.35)}
  .cta-note{margin-top:14px;font-size:13.5px;color:#DCEBE6}

  /* ---------- 页脚 ---------- */
  .site-foot{background:var(--sink);border-top:1px solid var(--line);margin-top:0}
  .foot-inner{max-width:1240px;margin:0 auto;padding:56px 48px 32px}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
  .foot-brand p{margin:14px 0 16px;font-size:13.5px;line-height:1.85;color:var(--ink-2);max-width:320px}
  .foot-social{display:flex;gap:10px}
  .foot-social span{
    width:34px;height:34px;border-radius:10px;border:1px solid var(--line);background:#fff;
    display:grid;place-items:center;color:var(--primary);
  }
  .foot-social svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .foot-col h4{font-size:14px;font-weight:700;margin-bottom:14px;font-family:var(--sans);letter-spacing:.02em}
  .foot-col li{margin-bottom:10px}
  .foot-col a{font-size:13.5px;color:var(--ink-2)}
  .foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
  .foot-bottom{
    margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  }
  .foot-bottom p{font-size:12.5px;color:var(--muted)}
  .to-top{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2)}
  .to-top svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
  .to-top:hover{color:var(--primary)}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .sidebar{
      transform:translateX(-104%);transition:transform .28s ease;width:84vw;max-width:320px;
      box-shadow:var(--sh-lg);padding-top:20px;
    }
    .sidebar.open{transform:none}
    .main-wrap{padding-left:0}
    .topbar{
      display:flex;position:sticky;top:0;z-index:70;align-items:center;justify-content:space-between;
      gap:12px;height:60px;padding:0 20px;background:#fff;border-bottom:1px solid var(--line);
    }
    .topbar .brand{display:flex;align-items:center;gap:10px}
    .topbar .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px}
    .menu-btn{
      width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink-2);
      display:grid;place-items:center;cursor:pointer;transition:background .18s ease,border-color .18s ease,color .18s ease;
    }
    .menu-btn:hover{background:var(--primary-050);border-color:var(--primary);color:var(--primary)}
    .menu-btn svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
    .overlay{
      display:block;position:fixed;inset:0;background:rgba(20,32,29,.45);opacity:0;pointer-events:none;
      transition:opacity .25s ease;z-index:75;
    }
    .overlay.show{opacity:1;pointer-events:auto}
    .container{padding:0 32px}
    .foot-inner{padding:48px 32px 28px}
    .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
    .layout{grid-template-columns:1fr}
    .aside-col{position:static}
    .matrix-row,.matrix-row.row-b{grid-template-columns:1fr 1fr}
    .steps{grid-template-columns:1fr 1fr}
    .step::after{display:none}
    .dark-band{grid-template-columns:1fr}
    .dark-figure{min-height:220px;order:-1}
    .cta-band{grid-template-columns:1fr;padding:32px}
    .proof-card{grid-template-columns:1fr}
    .stats{grid-template-columns:repeat(3,1fr);gap:16px}
  }
  @media (max-width:767px){
    .section{padding:56px 0}
    .container{padding:0 20px}
    .page-head{padding:44px 0 40px}
    .page-head h1{font-size:30px;line-height:1.3}
    .page-head .lede{font-size:15.5px}
    .sec-title{font-size:24px}
    .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
    .card h3{font-size:19px}
    .card-num{font-size:22px}
    .dark-copy{padding:28px}
    .dark-copy h2,.cta-band h2{font-size:24px}
    .stat-num{font-size:32px}
    .sub-form{flex-direction:column;align-items:stretch}
    .sub-input,.sub-form .btn{width:100%}
    .foot-grid{grid-template-columns:1fr;gap:24px}
    .foot-bottom{flex-direction:column;align-items:flex-start}
  }
  @media (max-width:560px){
    body{font-size:16px;line-height:1.85}
    .matrix-row,.matrix-row.row-b{grid-template-columns:1fr}
    .steps{grid-template-columns:1fr}
    .stats{grid-template-columns:1fr}
    .btn{width:100%}
    .aside-col .btn,.foot-social span{width:auto}
  }

/* roulang page: category3 */
:root{
  --primary:#1E5C51;
  --primary-700:#17493F;
  --primary-050:#EAF2EF;
  --accent:#D2763B;
  --accent-050:#FBEFE5;
  --ink:#14201D;
  --ink-2:#3E4C48;
  --muted:#6E7C77;
  --paper:#FAF8F3;
  --card:#FFFFFF;
  --sink:#F1EDE4;
  --line:#E4DED2;
  --r-card:14px;
  --r-btn:10px;
  --sh-sm:0 1px 2px rgba(20,32,29,.05);
  --sh-md:0 6px 18px -8px rgba(20,32,29,.14);
  --sh-lg:0 18px 40px -20px rgba(20,32,29,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --rail:264px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em;}
p{margin:0 0 1.6em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(44,122,105,.55);outline-offset:2px;border-radius:6px;}

/* ---------- 侧边栏 ---------- */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail);
  background:var(--card);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:24px 18px 20px;
  z-index:70;
  transition:transform .3s ease;
}
.side-logo{padding:0 6px 22px;border-bottom:1px solid var(--line);}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;flex:none;border-radius:12px;
  background:linear-gradient(150deg,var(--primary),var(--primary-700));
  color:#fff;font-family:var(--serif);font-size:19px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-md);
}
.brand-name{display:block;font-family:var(--serif);font-size:16px;font-weight:700;color:var(--ink);line-height:1.4;}
.brand-desc{display:block;font-size:11.5px;color:var(--muted);line-height:1.6;letter-spacing:.06em;}
.side-nav{margin-top:18px;display:flex;flex-direction:column;gap:4px;}
.side-nav a{
  position:relative;
  display:flex;align-items:center;
  height:44px;padding:0 12px 0 16px;border-radius:var(--r-btn);
  font-size:14.5px;color:var(--ink-2);
  transition:background .18s ease,color .18s ease;
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;
  background:transparent;transition:background .18s ease;
}
.side-nav a:hover{background:var(--primary-050);color:var(--primary-700);}
.side-nav a.is-active{background:var(--primary-050);color:var(--primary-700);font-weight:600;}
.side-nav a.is-active::before{background:var(--primary);}
.side-foot{margin-top:auto;padding-top:18px;}
.side-card{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--sink);padding:16px;box-shadow:var(--sh-sm);
}
.side-card h4{font-size:14.5px;margin-bottom:6px;}
.side-card p{font-size:12.5px;color:var(--muted);margin:0 0 12px;line-height:1.7;}
.side-copy{
  font-size:11.5px;color:var(--muted);margin-top:14px;line-height:1.7;
}
.side-close{
  display:none;position:absolute;right:12px;top:16px;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;
}
.side-close svg{width:18px;height:18px;stroke:var(--ink-2);stroke-width:1.6;fill:none;stroke-linecap:round;}

.scrim{
  position:fixed;inset:0;background:rgba(20,32,29,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:65;
}
.scrim.is-on{opacity:1;visibility:visible;}

/* ---------- 顶部条（移动端） ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:55;
  height:60px;background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar .brand-mark{width:34px;height:34px;font-size:16px;border-radius:10px;}
.topbar .brand-name{font-size:15px;}
.menu-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:var(--primary-050);border-color:rgba(30,92,81,.35);}
.menu-btn svg{width:20px;height:20px;stroke:var(--ink-2);stroke-width:1.6;fill:none;stroke-linecap:round;}

/* ---------- 主壳 ---------- */
.shell{padding-left:var(--rail);}
.main{padding:36px 48px 0;}
.wrap{max-width:1240px;margin:0 auto;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-ghost:hover{background:var(--primary-050);border-color:rgba(30,92,81,.35);color:var(--primary-700);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary-700);}
.btn-light:hover{background:var(--primary-050);transform:translateY(-1px);}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px;}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--primary-050);color:var(--primary-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-accent{background:var(--accent-050);border:1px solid rgba(210,118,59,.45);color:#A8551F;}

.sec{margin-top:96px;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.sec-title{position:relative;padding-left:16px;font-size:30px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--primary);
}
.sec-sub{font-size:14px;color:var(--muted);margin:10px 0 0;max-width:640px;line-height:1.75;}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);border-color:rgba(30,92,81,.45);box-shadow:var(--sh-md);}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary-700);
}
.link-more svg{width:14px;height:14px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .18s ease;}
.link-more:hover{text-decoration:underline;text-underline-offset:4px;}
.link-more:hover svg{transform:translateX(3px);}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:18px;border:1px solid var(--line);
  min-height:262px;display:flex;align-items:flex-end;box-shadow:var(--sh-md);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(105deg,rgba(23,73,63,.9) 0%,rgba(30,92,81,.72) 55%,rgba(30,92,81,.42) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.05) 0 1px,transparent 1px 8px);
  opacity:.5;
}
.page-hero-in{position:relative;z-index:2;padding:36px 40px 32px;color:#fff;width:100%;}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.72);margin-bottom:16px;flex-wrap:wrap;}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.crumb span[aria-current]{color:#fff;}
.crumb.dark{color:var(--muted);}
.crumb.dark a:hover{color:var(--primary-700);}
.crumb.dark span[aria-current]{color:var(--ink-2);}
.page-hero h1{font-size:44px;line-height:1.22;margin-bottom:12px;}
.page-hero-sub{font-size:16px;color:rgba(255,255,255,.9);margin:0 0 18px;max-width:560px;line-height:1.75;}
.chip-row{display:flex;gap:10px;flex-wrap:wrap;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.12);
  font-size:12.5px;color:#fff;backdrop-filter:none;
}

/* ---------- 申请类型行列表 ---------- */
.req-list{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);overflow:hidden;box-shadow:var(--sh-sm);}
.req-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:22px 24px;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.req-item:last-child{border-bottom:0;}
.req-item:hover{background:var(--primary-050);}
.req-idx{
  font-family:var(--serif);font-size:20px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.req-body h3{font-size:18px;margin-bottom:4px;}
.req-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}

/* ---------- 时间线 ---------- */
.tl-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:44px;align-items:start;}
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:14px;width:1px;
  background:linear-gradient(180deg,var(--primary),rgba(30,92,81,.14));
}
.tl-item{position:relative;padding-bottom:36px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:7px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(30,92,81,.1);
}
.tl-step{font-size:12.5px;letter-spacing:.16em;color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.tl-item h3{font-size:22px;margin:6px 0 8px;}
.tl-item p{font-size:15.5px;color:var(--ink-2);margin:0;line-height:1.85;}
.tl-note{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.tl-note svg{width:15px;height:15px;stroke:var(--primary);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}

.sticky-card{position:sticky;top:32px;}
.sticky-card .pic{
  border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;background:var(--primary-050);
}
.sticky-card .pic img{width:100%;height:230px;object-fit:cover;}
.sticky-card .body{padding:20px;border:1px solid var(--line);border-top:0;border-radius:0 0 var(--r-card) var(--r-card);background:#fff;}
.sticky-card .body h4{font-size:17px;margin-bottom:8px;}
.sticky-card .body p{font-size:13.5px;color:var(--muted);margin:0 0 14px;line-height:1.75;}
.mini-list li{
  display:flex;gap:10px;font-size:13.5px;color:var(--ink-2);padding:9px 0;border-top:1px dashed var(--line);
}
.mini-list li:first-child{border-top:0;}
.mini-list svg{width:15px;height:15px;flex:none;margin-top:5px;stroke:var(--primary);stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}

/* ---------- 自查清单 ---------- */
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list .tick{
  width:24px;height:24px;flex:none;border-radius:50%;background:var(--primary-050);
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.check-list .tick svg{width:13px;height:13px;stroke:var(--primary);stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.check-list h3{font-size:16.5px;margin-bottom:4px;}
.check-list p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.figure{
  border-radius:var(--r-card);border:1px solid var(--line);overflow:hidden;background:var(--primary-050);box-shadow:var(--sh-md);
}
.figure img{width:100%;height:340px;object-fit:cover;}
.figure figcaption{font-size:12.5px;color:var(--muted);padding:12px 16px;background:#fff;border-top:1px solid var(--line);}

/* ---------- 状况对照 ---------- */
.cmp-list{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;overflow:hidden;box-shadow:var(--sh-sm);}
.cmp-head{
  display:grid;grid-template-columns:.9fr 1.4fr auto;gap:20px;
  padding:14px 24px;background:var(--primary-050);border-bottom:1px solid var(--line);
  font-size:12.5px;font-weight:700;color:var(--primary-700);letter-spacing:.06em;
}
.cmp-row{
  display:grid;grid-template-columns:.9fr 1.4fr auto;gap:20px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);transition:background .18s ease;
}
.cmp-row:last-child{border-bottom:0;}
.cmp-row:hover{background:#FCFAF6;}
.cmp-row .k{font-size:15.5px;font-weight:600;color:var(--ink);}
.cmp-row .v{font-size:14px;color:var(--ink-2);line-height:1.75;}
.cmp-row .tag{
  font-size:12px;color:var(--accent);border:1px solid rgba(210,118,59,.45);
  background:var(--accent-050);border-radius:999px;padding:3px 10px;white-space:nowrap;
}

/* ---------- 数据块 ---------- */
.stat-band{
  border-radius:18px;border:1px solid var(--line);background:var(--sink);
  padding:36px 40px;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.stat{padding-right:24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;padding-right:0;}
.stat .num{
  font-family:var(--serif);font-size:40px;font-weight:700;color:var(--primary);
  line-height:1.1;font-variant-numeric:tabular-nums;
}
.stat .num small{font-size:16px;margin-left:4px;font-family:var(--sans);font-weight:600;}
.stat p{font-size:13.5px;color:var(--ink-2);margin:10px 0 0;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 0;font-family:var(--serif);font-size:17.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:none;font-family:var(--sans);font-size:22px;font-weight:400;line-height:1;
  color:var(--muted);transition:transform .2s ease,color .2s ease;margin-top:2px;
}
.faq details[open] summary{color:var(--primary-700);}
.faq details[open] summary::after{content:"−";color:var(--primary);}
.faq .ans{padding:0 0 22px;font-size:15px;color:var(--ink-2);line-height:1.9;max-width:820px;}
.faq .ans p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background:linear-gradient(120deg,var(--primary-700),var(--primary) 65%);
  color:#fff;padding:44px 40px;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.06);
}
.cta-band h2{font-size:28px;margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{margin:0;font-size:14.5px;color:rgba(255,255,255,.86);line-height:1.8;position:relative;z-index:2;}
.cta-form{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.36);background:rgba(255,255,255,.12);color:#fff;font-size:14.5px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.cta-form input::placeholder{color:rgba(255,255,255,.68);}
.cta-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);box-shadow:0 0 0 3px rgba(255,255,255,.22);}
.cta-tip{font-size:12.5px;color:rgba(255,255,255,.72);margin-top:12px;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-foot{margin-top:96px;background:var(--sink);border-top:1px solid var(--line);}
.foot-inner{max-width:1240px;margin:0 auto;padding:56px 48px 28px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.foot-brand p{font-size:13.5px;color:var(--muted);line-height:1.8;margin:12px 0 16px;max-width:320px;}
.foot-social{display:flex;gap:10px;}
.foot-social span{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:flex;align-items:center;justify-content:center;transition:border-color .18s ease,background .18s ease;
}
.foot-social span:hover{border-color:rgba(30,92,81,.4);background:var(--primary-050);}
.foot-social svg{width:17px;height:17px;stroke:var(--ink-2);stroke-width:1.5;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.foot-col h4{font-family:var(--sans);font-size:14px;font-weight:700;margin-bottom:14px;color:var(--ink);}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:13.5px;color:var(--ink-2);transition:color .18s ease;}
.foot-col a:hover{color:var(--primary-700);text-decoration:underline;text-underline-offset:4px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.foot-bottom p{font-size:12.5px;color:var(--muted);margin:0;}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-2);}
.to-top svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.to-top:hover{color:var(--primary-700);text-decoration:underline;text-underline-offset:4px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .page-hero h1{font-size:38px;}
  .tl-grid{grid-template-columns:1.2fr .8fr;gap:32px;}
  .check-grid{grid-template-columns:1fr;gap:32px;}
}
@media (max-width:1023px){
  .shell{padding-left:0;}
  .sidebar{
    transform:translateX(-100%);width:84vw;max-width:320px;
    box-shadow:var(--sh-lg);padding-top:22px;
  }
  .sidebar.is-open{transform:translateX(0);}
  .side-close{display:flex;}
  .topbar{display:flex;}
  .main{padding:24px 32px 0;}
  .sec{margin-top:64px;}
  .sec-title{font-size:26px;}
  .page-hero h1{font-size:32px;}
  .page-hero-in{padding:28px 28px 26px;}
  .cta-band{grid-template-columns:1fr;padding:36px 32px;}
  .foot-inner{padding:44px 32px 24px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .main{padding:20px 20px 0;}
  .sec{margin-top:56px;}
  .sec-title{font-size:24px;}
  .page-hero h1{font-size:30px;}
  .page-hero-sub{font-size:15px;}
  .page-hero-in{padding:24px 20px 22px;}
  .tl-grid{grid-template-columns:1fr;gap:28px;}
  .sticky-card{position:static;}
  .tl-item h3{font-size:19px;}
  .req-item{grid-template-columns:44px 1fr;gap:14px;padding:18px 18px;}
  .req-item .req-action{grid-column:2;}
  .cmp-head{display:none;}
  .cmp-row{grid-template-columns:1fr;gap:8px;padding:18px;}
  .cmp-row .tag{justify-self:start;}
  .stat-band{grid-template-columns:1fr;padding:26px 22px;gap:20px;}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:0 0 18px;}
  .stat:last-child{border-bottom:0;padding-bottom:0;}
  .stat .num{font-size:34px;}
  .faq summary{font-size:16px;padding:18px 0;}
  .cta-band{padding:30px 22px;border-radius:16px;}
  .cta-band h2{font-size:23px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .figure img{height:220px;}
}
@media (max-width:520px){
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .cta-form input{flex:1 1 100%;}
  .chip{font-size:12px;}
}

/* roulang page: category4 */
:root{
  --primary:#1E5C51;
  --primary-700:#17493F;
  --primary-050:#EAF2EF;
  --accent:#D2763B;
  --accent-050:#FBEFE5;
  --ink:#14201D;
  --ink-2:#3E4C48;
  --muted:#6E7C77;
  --bg:#FAF8F3;
  --card:#FFFFFF;
  --sunken:#F1EDE4;
  --line:#E4DED2;
  --radius:14px;
  --radius-sm:10px;
  --shadow-sm:0 1px 2px rgba(20,32,29,.05);
  --shadow-md:0 6px 18px -8px rgba(20,32,29,.14);
  --shadow-lg:0 18px 40px -20px rgba(20,32,29,.22);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --ring:0 0 0 2px rgba(44,122,105,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
svg{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
:focus-visible{outline:2px solid rgba(44,122,105,.55);outline-offset:2px;border-radius:8px}
::selection{background:var(--primary-050);color:var(--primary-700)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#D8D2C6;border-radius:999px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#C6BFB1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 布局骨架 ============ */
.main{padding-left:264px;min-height:100vh;display:flex;flex-direction:column}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 48px}
.section{padding:72px 0}
.section-tight{padding:56px 0}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:264px;
  background:#fff;border-right:1px solid var(--line);
  padding:24px 18px;display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;z-index:70;
}
.side-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:10px;
  background:var(--primary);color:#fff;display:grid;place-items:center;
  font-family:var(--serif);font-size:19px;font-weight:700;
}
.brand-name{display:block;font-family:var(--serif);font-size:16.5px;font-weight:700;line-height:1.35;color:var(--ink)}
.brand-desc{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;line-height:1.6}
.drawer-close{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-2);align-items:center;justify-content:center;cursor:pointer;
}
.drawer-close:hover{background:var(--primary-050);color:var(--primary);border-color:var(--primary)}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{
  position:relative;display:flex;align-items:center;height:44px;padding:0 14px;
  border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:background-color .18s,color .18s,transform .18s;
}
.side-nav a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--primary);transition:height .2s;
}
.side-nav a:hover{background:var(--primary-050);color:var(--primary-700)}
.side-nav a.active{background:var(--primary-050);color:var(--primary);font-weight:600}
.side-nav a.active::before{height:20px}
.side-note{
  margin-top:auto;background:var(--sunken);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;
}
.side-note p{margin:0 0 6px;font-family:var(--serif);font-size:15px;font-weight:700}
.side-note span{display:block;font-size:13px;color:var(--ink-2);line-height:1.75;margin-bottom:14px}
.side-copy{font-size:11.5px;color:var(--muted);padding:0 4px}
.topbar{
  display:none;position:sticky;top:0;z-index:80;height:60px;
  align-items:center;justify-content:space-between;gap:12px;
  padding:0 20px;background:#fff;border-bottom:1px solid var(--line);
}
.menu-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);display:grid;place-items:center;cursor:pointer;
}
.menu-btn svg{width:22px;height:22px}
.menu-btn:hover{background:var(--primary-050);color:var(--primary);border-color:var(--primary)}
.scrim{
  position:fixed;inset:0;background:rgba(20,32,29,.45);
  opacity:0;pointer-events:none;transition:opacity .25s;z-index:65;
}
body.nav-open .scrim{opacity:1;pointer-events:auto}

/* ============ 页头 ============ */
.page-head{padding:36px 0 0}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.crumb-cur{color:var(--ink-2)}
.banner{
  position:relative;margin-top:22px;min-height:252px;border-radius:var(--radius);
  border:1px solid var(--line);overflow:hidden;display:flex;align-items:flex-end;
  background:var(--primary-050) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(30,92,81,.9) 0%,rgba(30,92,81,.66) 52%,rgba(23,73,63,.36) 100%);
}
.banner-inner{position:relative;z-index:1;padding:38px 40px 34px;max-width:780px;color:#fff}
.banner-title{
  font-family:var(--serif);font-weight:700;font-size:38px;line-height:1.24;
  margin:14px 0 10px;color:#fff;letter-spacing:.01em;
}
.banner-sub{margin:0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:var(--primary-050);color:var(--primary);
}
.badge-light{background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.4)}
.badge-accent{background:var(--accent-050);color:#9C5526;border:1px solid rgba(210,118,59,.4)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chips a{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-2);
  transition:border-color .18s,color .18s,background-color .18s,transform .18s;
}
.chips a:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-050);transform:translateY(-1px)}

/* ============ 通用标题 ============ */
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{
  position:relative;margin:0 0 12px;padding-left:16px;
  font-family:var(--serif);font-size:30px;line-height:1.35;font-weight:700;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:1.05em;
  background:var(--primary);border-radius:2px;
}
.section-head p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.85}

/* ============ FAQ ============ */
.faq-group{margin-top:38px}
.faq-group:first-of-type{margin-top:0}
.faq-group h3{
  margin:0 0 4px;font-family:var(--serif);font-size:20px;font-weight:700;color:var(--primary-700);
  display:flex;align-items:center;gap:10px;
}
.faq-group h3 span{font-size:12.5px;font-weight:600;color:var(--muted);font-family:var(--sans);letter-spacing:.06em}
.faq-list{border-top:1px solid var(--line);margin-top:14px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:20px 6px;transition:background-color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(234,242,239,.55)}
.faq-num{
  font-size:12.5px;font-weight:700;color:var(--accent);padding-top:6px;
  font-variant-numeric:tabular-nums;letter-spacing:.04em;
}
.faq-text{
  flex:1;font-family:var(--serif);font-size:17.5px;line-height:1.65;font-weight:600;
  color:var(--ink);padding-top:2px;transition:color .2s;
}
.faq-icon{
  width:26px;height:26px;flex:0 0 26px;margin-top:2px;border-radius:999px;
  border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);
  transition:background-color .2s,color .2s,border-color .2s,transform .2s;
}
.faq-icon svg{width:14px;height:14px;stroke-width:1.7;transition:transform .2s}
.faq-icon .v{transform-origin:12px 12px}
.faq-item[open] .faq-text{color:var(--primary)}
.faq-item[open] .faq-icon{background:var(--primary);border-color:var(--primary);color:#fff}
.faq-item[open] .faq-icon .v{transform:scaleY(0)}
.faq-a{padding:0 6px 22px 48px;font-size:15.5px;color:var(--ink-2);line-height:1.95}
.faq-a p{margin:0 0 12px}
.faq-a p:last-child{margin-bottom:0}
.faq-a strong{color:var(--ink);font-weight:600}

/* ============ 自查清单 ============ */
.check-wrap{
  display:grid;grid-template-columns:1fr 380px;gap:28px;align-items:start;
}
.check-list{border-top:1px solid var(--line)}
.check-row{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background-color .18s,transform .18s;
}
.check-row:hover{background:#fff;transform:translateX(2px)}
.check-row .num{
  font-family:var(--serif);font-size:20px;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.check-row h4{margin:0 0 6px;font-size:17px;font-weight:700;font-family:var(--serif)}
.check-row p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.85}
.check-media{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;
  box-shadow:var(--shadow-sm);
}
.check-media img{width:100%;height:250px;object-fit:cover}
.check-media figcaption{
  padding:16px 20px;font-size:13.5px;color:var(--muted);line-height:1.8;border-top:1px solid var(--line);
}

/* ============ 相关栏目卡 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s,border-color .2s,box-shadow .2s;
}
.cat-card:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-md)}
.cat-card img{width:100%;height:160px;object-fit:cover}
.cat-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-card h3{margin:0;font-family:var(--serif);font-size:19px;font-weight:700}
.cat-card p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.85;flex:1}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);
}
.text-link svg{width:16px;height:16px;transition:transform .2s}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.text-link:hover svg{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-block{padding:0 0 72px}
.cta-inner{
  background:var(--primary);border-radius:var(--radius);padding:48px;
  display:grid;grid-template-columns:1fr 480px;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-copy h2{margin:0 0 12px;font-family:var(--serif);font-size:28px;line-height:1.4;color:#fff;font-weight:700}
.cta-copy p{margin:0;font-size:15px;color:rgba(255,255,255,.85);line-height:1.85}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 240px;height:48px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);
  color:#fff;font-size:15px;font-family:var(--sans);
  transition:border-color .18s,background-color .18s,box-shadow .18s;
}
.cta-form input::placeholder{color:rgba(255,255,255,.66)}
.cta-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);box-shadow:var(--ring)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;font-family:var(--sans);cursor:pointer;white-space:nowrap;
  transition:background-color .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-700);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:var(--primary-050);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--line)}
.btn-ghost:hover{background:var(--primary-050);border-color:var(--primary);transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 16px;font-size:13.5px}
.form-tip{flex-basis:100%;margin:0;font-size:13.5px;color:rgba(255,255,255,.92);min-height:20px}

/* ============ 页脚 ============ */
.site-foot{background:var(--sunken);border-top:1px solid var(--line);margin-top:auto}
.foot-inner{max-width:1240px;margin:0 auto;padding:60px 48px 28px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand p{margin:14px 0 16px;font-size:14px;color:var(--ink-2);line-height:1.9;max-width:340px}
.foot-social{display:flex;gap:10px}
.foot-social span{
  width:36px;height:36px;border:1px solid var(--line);border-radius:10px;
  display:grid;place-items:center;color:var(--muted);background:#fff;
  transition:color .18s,border-color .18s,transform .18s;
}
.foot-social span:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
.foot-social svg{width:16px;height:16px}
.foot-col h4{margin:0 0 16px;font-size:14px;font-family:var(--serif);font-weight:700;color:var(--ink)}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-col a{font-size:14px;color:var(--ink-2);transition:color .18s}
.foot-col a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:4px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);
}
.foot-bottom p{margin:0}
.to-top{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary)}
.to-top svg{width:15px;height:15px;transition:transform .2s}
.to-top:hover{text-decoration:underline;text-underline-offset:4px}
.to-top:hover svg{transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .container{padding:0 32px}
  .foot-inner{padding:52px 32px 24px}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:40px}
  .check-wrap{grid-template-columns:1fr}
  .check-media{max-width:560px}
}
@media (max-width:1023px){
  .topbar{display:flex}
  .sidebar{
    transform:translateX(-100%);transition:transform .28s ease;
    width:320px;max-width:84vw;padding-top:20px;box-shadow:var(--shadow-lg);
  }
  body.nav-open .sidebar{transform:none}
  .drawer-close{display:flex}
  .main{padding-left:0}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .banner{min-height:220px}
  .banner-inner{padding:28px 26px}
  .banner-title{font-size:30px}
  .card-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .page-head{padding:24px 0 0}
  .banner{min-height:200px;background-position:center}
  .banner-title{font-size:26px}
  .banner-sub{font-size:14px}
  .section-head h2{font-size:24px}
  .faq-text{font-size:16.5px}
  .faq-a{padding-left:6px}
  .faq-item summary{gap:12px}
  .check-row{grid-template-columns:44px 1fr;gap:12px;padding:18px 16px}
  .card-grid{grid-template-columns:1fr}
  .cta-inner{padding:28px 22px}
  .cta-copy h2{font-size:23px}
  .cta-form{flex-direction:column}
  .cta-form input,.cta-form .btn{width:100%}
  .foot-inner{padding:44px 20px 22px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .banner-inner{padding:22px 18px}
  .banner-title{font-size:23px}
  .faq-num{display:none}
  .faq-text{font-size:16px}
}