/* roulang page: index */
:root{
  --c-bg:#F6F4EF;--c-bg-alt:#EFEBE3;--c-surface:#FFFFFF;
  --c-ink:#141A18;--c-ink-2:#3C4643;--c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C;--c-primary-hover:#1E6353;--c-primary-soft:#E4EDE9;
  --c-accent:#D2542C;--c-accent-hover:#B84623;--c-accent-soft:#FBEDE7;
  --c-dark:#0E211D;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px;--r-lg:20px;--r-md:14px;--r-img:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color 160ms var(--ease)}
a:hover{color:var(--c-primary-hover)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}
.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}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.section{padding:96px 0;position:relative}
.section-alt{background:var(--c-bg-alt)}
.section-head{display:flex;flex-wrap:wrap;gap:24px;align-items:flex-end;justify-content:space-between;margin-bottom:40px}
.kicker{display:inline-block;font-size:13px;letter-spacing:.12em;color:var(--c-accent);font-weight:700;margin-bottom:12px}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.02em;color:var(--c-ink)}
.section-head p.lead{margin-top:12px;max-width:620px;color:var(--c-ink-2);font-size:16px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);white-space:nowrap;min-height:44px}
.link-more span{transition:transform 180ms var(--ease)}
.link-more:hover span{transform:translateX(4px)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;padding:16px 0 0}
.nav-pill{
  width:min(1160px,92vw);margin:0 auto;min-height:64px;
  display:flex;align-items:center;gap:18px;padding:0 12px 0 20px;
  background:rgba(246,244,239,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);border-radius:var(--r-pill);box-shadow:var(--sh-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:var(--c-primary);display:grid;place-items:center}
.brand-mark svg{width:16px;height:16px;display:block}
.brand-text{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:12px}
.nav-link{position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;font-size:15px;color:var(--c-ink-2);border-radius:var(--r-pill);transition:color 160ms var(--ease),background 160ms var(--ease)}
.nav-link::after{content:"";position:absolute;left:14px;bottom:8px;height:2px;width:0;background:var(--c-accent);border-radius:2px;transition:width 200ms var(--ease)}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{width:calc(100% - 28px)}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.nav-link.is-active::after{display:none}
.nav-cta{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border-radius:var(--r-pill);align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--c-line);background:var(--c-surface)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform 200ms var(--ease),opacity 160ms var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{display:none}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .mobile-panel{display:none;width:min(1160px,92vw);margin:10px auto 0;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:10px 0 0;overflow:hidden}
  .mobile-panel.is-open{display:block}
  .mobile-panel a{display:flex;align-items:center;min-height:56px;padding:0 22px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line)}
  .mobile-panel a.is-active{color:var(--c-primary);font-weight:700}
  .mobile-panel .mp-cta{margin:16px;border-bottom:0}
}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;border:1.5px solid transparent;
  transition:background 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease),border-color 160ms var(--ease),box-shadow 160ms var(--ease)}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.btn-dark{background:var(--c-primary);color:#fff}
.btn-dark:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-primary)}
.btn-light:hover{background:#fff;color:var(--c-primary-hover);transform:translateY(-1px)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;background:var(--c-bg-alt);color:var(--c-ink-2);white-space:nowrap}
.badge-member{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-pro{background:var(--c-accent-soft);color:var(--c-accent)}
.badge-soft{background:var(--c-bg-alt);color:var(--c-ink-2)}
.badge-lock{background:var(--c-primary-soft);color:var(--c-primary);gap:4px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--c-line) 1px,transparent 1px),linear-gradient(90deg,var(--c-line) 1px,transparent 1px);
  background-size:96px 96px;
  -webkit-mask-image:radial-gradient(ellipse at 70% 20%,rgba(0,0,0,.55),transparent 70%);
  mask-image:radial-gradient(ellipse at 70% 20%,rgba(0,0,0,.55),transparent 70%);
}
.hero-grid{position:relative;gap:56px;align-items:center}
.hero-copy{max-width:640px}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);background:var(--c-surface);border:1px solid var(--c-line);font-size:13px;font-weight:600;color:var(--c-ink-2);margin-bottom:24px}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:block}
.hero h1{font-size:clamp(30px,4.6vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.02em;color:var(--c-ink)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.7;color:var(--c-ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags li{font-size:13px;color:var(--c-muted);letter-spacing:.02em;padding-left:16px;position:relative}
.hero-tags li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:2px;background:var(--c-accent);border-radius:2px}
.hero-visual{position:relative}
.hero-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);border:1px solid var(--c-line);background:var(--c-surface)}
.hero-frame img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,69,60,.08),rgba(20,69,60,.22))}
.hero-frame-line{position:absolute;left:-22px;bottom:-22px;width:180px;height:180px;border:1px solid var(--c-primary);border-radius:var(--r-lg);opacity:.35;z-index:-1}
.hero-card{
  position:absolute;left:-16px;bottom:24px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:14px 18px;box-shadow:var(--sh-2);min-width:186px
}
.hero-card b{display:block;font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--c-primary)}
.hero-card span{font-size:12px;color:var(--c-muted);letter-spacing:.02em}

/* ---------- 指标条 ---------- */
.stats{padding:0 0 8px}
.stats-row{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:32px 0}
.stat{padding:0 24px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--c-line)}
.stat-num{font-size:clamp(28px,3.2vw,40px);font-weight:800;letter-spacing:-.03em;color:var(--c-primary);line-height:1.1}
.stat-label{margin-top:6px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
@media (max-width:767px){
  .stat{padding:16px 0}
  .stat + .stat::before{left:0;right:0;top:0;bottom:auto;width:auto;height:1px}
}

/* ---------- 通用卡片 ---------- */
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow 200ms var(--ease),transform 200ms var(--ease);height:100%}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-cover{display:block;overflow:hidden;border-radius:var(--r-img);aspect-ratio:16/10;background:var(--c-bg-alt)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease)}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 24px}
.card-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.card-title{font-size:19px;line-height:1.4;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a{color:inherit}
.card-title a:hover{color:var(--c-primary)}
.card-sum{margin-top:10px;font-size:14.5px;line-height:1.7;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 最新信息（CMS 区） ---------- */
.cms-grid{gap:24px}
.cms-lead{display:flex;flex-direction:column}
.cms-lead .card-cover{aspect-ratio:16/9}
.cms-lead .card-title{font-size:22px}
.cms-lead .card-sum{-webkit-line-clamp:3;font-size:15px}
.cms-panel{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:8px 0;height:100%}
.cms-list{display:flex;flex-direction:column}
.cms-item + .cms-item{border-top:1px solid var(--c-line)}
.cms-item a{display:block;padding:16px 22px;transition:background 160ms var(--ease)}
.cms-item a:hover{background:var(--c-bg-alt)}
.cms-item h4{font-size:15.5px;font-weight:700;line-height:1.45;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-top:8px}
.cms-item p{margin-top:6px;font-size:13.5px;line-height:1.65;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.cms-item time{display:block;margin-top:8px;font-size:12.5px;color:var(--c-muted);letter-spacing:.02em}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;min-height:240px;
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);text-align:center;padding:32px
}
.empty-state .shape{width:64px;height:64px;border-radius:18px;border:2px solid var(--c-primary);opacity:.35;position:relative}
.empty-state .shape::after{content:"";position:absolute;inset:18px;border-radius:6px;background:var(--c-primary);opacity:.5}
.empty-state p{font-size:15px;color:var(--c-muted)}

/* ---------- 权益对比表 ---------- */
.compare{background:var(--c-surface);border:1px solid var(--c-line);border-radius:16px;box-shadow:var(--sh-1);overflow:hidden}
.compare-scroll{overflow-x:auto}
.compare-table{min-width:720px;font-size:15px}
.compare-table thead th{background:var(--c-primary);color:#fff;font-weight:700;text-align:left;padding:18px 20px;font-size:15px;letter-spacing:.01em;position:relative;white-space:nowrap}
.compare-table thead th:first-child{border-top-left-radius:16px}
.compare-table thead th:last-child{border-top-right-radius:16px}
.compare-table thead th.col-rec{border-left:2px solid var(--c-accent);border-right:2px solid var(--c-accent);background:#143F37}
.compare-table .rec-badge{display:inline-flex;align-items:center;height:20px;padding:0 8px;margin-left:8px;border-radius:var(--r-pill);background:var(--c-accent);color:#fff;font-size:11px;font-weight:700;vertical-align:middle}
.compare-table tbody th{text-align:left;font-weight:600;color:var(--c-ink);padding:16px 20px;font-size:15px}
.compare-table tbody td{padding:16px 20px;color:var(--c-ink-2);border-top:1px solid var(--c-line)}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:#FBFAF7}
.compare-table tbody td.col-rec{border-left:2px solid var(--c-accent);border-right:2px solid var(--c-accent);background:#FFFCFA;font-weight:600;color:var(--c-ink)}
.compare-table tbody tr:last-child td.col-rec{border-bottom:2px solid var(--c-accent)}
.compare-table tbody tr:last-child th{border-bottom:2px solid var(--c-accent)}
.ok{color:var(--c-primary);font-weight:700;margin-right:6px}
.no{color:var(--c-muted);margin-right:6px}

/* ---------- 等级亮点 ---------- */
.tiers{gap:24px}
.tier{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:box-shadow 200ms var(--ease),transform 200ms var(--ease)}
.tier:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.tier h3{font-size:22px;font-weight:800;letter-spacing:-.01em}
.tier .price{margin-top:8px;font-size:14px;color:var(--c-muted)}
.tier ul{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.tier ul li{position:relative;padding-left:18px;font-size:14.5px;color:var(--c-ink-2);line-height:1.65}
.tier ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--c-accent)}
.tier .tier-cta{margin-top:26px}
.tier-lead{background:var(--c-dark);border-color:var(--c-dark);color:#E8EFEC}
.tier-lead h3{color:#fff}
.tier-lead .price{color:#9FB8B1}
.tier-lead ul li{color:#CFDED9}
.tier-lead ul li::before{background:var(--c-accent)}

/* ---------- 专属内容预览 ---------- */
.preview-card{position:relative}
.lock-icon{position:absolute;top:22px;right:22px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.92);display:grid;place-items:center;box-shadow:var(--sh-1);z-index:2}
.lock-icon svg{width:15px;height:15px;color:var(--c-primary)}
.preview-foot{display:flex;justify-content:center;margin-top:40px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:880px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;position:relative;transition:box-shadow 200ms var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c-accent);transform:scaleY(0);transform-origin:top;transition:transform 240ms var(--ease)}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:12px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink)}
.faq-icon{flex:0 0 22px;width:22px;height:22px;position:relative;transition:transform 240ms var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px}
.faq-icon::before{left:50%;top:2px;bottom:2px;width:2px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:2px;right:2px;height:2px;transform:translateY(-50%)}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease)}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 收尾 CTA ---------- */
.cta-band{background:var(--c-dark);border-radius:24px;padding:56px;display:flex;flex-wrap:wrap;gap:32px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(255,255,255,.12)}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.02em;max-width:620px}
.cta-band p{margin-top:14px;color:#A9C2BB;font-size:16px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1}
.cta-note{margin-top:20px;font-size:12.5px;color:#7E9A93;letter-spacing:.02em;width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#E8EFEC;padding:72px 0 0;margin-top:96px}
.footer-grid{gap:40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.footer-brand .brand-mark{background:var(--c-accent)}
.footer-brand span{font-size:16px;font-weight:800}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.75;color:#A9C2BB;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:#A9C2BB;line-height:1.7}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.12);padding:24px 0 32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;font-size:13px;color:#7E9A93}
.footer-bottom a{color:#7E9A93}
.footer-bottom a:hover{color:#fff}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--c-muted);margin-bottom:8px;letter-spacing:.02em}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 16px;border-radius:var(--r-md);border:1px solid var(--c-line);
  background:var(--c-surface);font-size:15px;color:var(--c-ink);font-family:inherit;transition:border-color 160ms var(--ease),box-shadow 160ms var(--ease)
}
.field textarea{min-height:112px;resize:vertical;line-height:1.7}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:var(--sh-1)}
.field .help{font-size:12px;color:var(--c-muted);margin-top:6px}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .hero{padding:48px 0 64px}
  .hero-grid{gap:40px}
  .cta-band{padding:40px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .section-head{margin-bottom:24px}
  .hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-sub{font-size:16px}
  .hero-card{left:12px;bottom:12px}
  .hero-frame-line{display:none}
  .cta-band{padding:32px 24px;border-radius:20px}
  .compare-scroll{overflow:visible}
  .compare-table{min-width:0;display:block}
  .compare-table thead{display:none}
  .compare-table tbody,.compare-table tr,.compare-table th,.compare-table td{display:block;width:100%}
  .compare-table tbody tr{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:6px 16px 10px;margin-bottom:14px}
  .compare-table tbody th{padding:14px 0 10px;border-bottom:1px solid var(--c-line);border-radius:0}
  .compare-table tbody td{border-top:0;border-bottom:1px dashed var(--c-line);padding:10px 0;display:flex;justify-content:space-between;gap:16px;align-items:center}
  .compare-table tbody td:last-child{border-bottom:0}
  .compare-table tbody td::before{content:attr(data-label);font-size:13px;color:var(--c-muted);flex:0 0 auto}
  .compare-table tbody td.col-rec{border-left:0;border-right:0;background:transparent}
  .compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td.col-rec{border-bottom:0}
  .compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:transparent}
  .footer-grid{gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .grid-container{padding-left:20px;padding-right:20px}
  .brand-text{font-size:14px}
  .hero-actions .btn{width:100%}
  .cms-item a{padding:14px 18px}
}

/* roulang page: article */
/* ===================== 设计令牌 ===================== */
:root{
  --c-bg:#F6F4EF;
  --c-bg-alt:#EFEBE3;
  --c-surface:#FFFFFF;
  --c-ink:#141A18;
  --c-ink-2:#3C4643;
  --c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C;
  --c-primary-hover:#1E6353;
  --c-primary-soft:#E4EDE9;
  --c-accent:#D2542C;
  --c-accent-hover:#B84623;
  --c-accent-soft:#F8E7E0;
  --c-dark:#0E211D;
  --c-dark-2:#173129;
  --c-rate-1:#6E7773;
  --c-rate-2:#1E6353;
  --c-rate-3:#D2542C;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-img:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--c-primary-hover);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary);}

/* Foundation 皮肤覆盖 */
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;}
.grid-container-full{max-width:100%;}
.button,.button.primary,.button.secondary{background:none;border:0;border-radius:var(--r-pill);font-family:inherit;color:inherit;}
a.button{display:inline-flex;}
table{border-collapse:collapse;}

/* ===================== 通用组件 ===================== */
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;}
.section-sub{margin-top:12px;font-size:15px;color:var(--c-muted);line-height:1.7;max-width:640px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(210,84,44,.85);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-light{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-line);}
.btn-light:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow i{transition:transform .2s var(--ease);font-size:13px;}
.link-arrow:hover{border:0;}
.link-arrow:hover i{transform:translateX(4px);}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--c-bg-alt);color:var(--c-ink-2);white-space:nowrap;
}
.badge-member{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-vip{background:var(--c-accent-soft);color:var(--c-accent);}

/* ===================== 悬浮胶囊导航 ===================== */
.site-header{position:sticky;top:0;z-index:80;padding-top:16px;}
.nav-shell{
  width:min(1160px,92vw);margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 10px 0 18px;border-radius:var(--r-pill);
  background:rgba(246,244,239,.78);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);
  box-shadow:var(--sh-2);
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:800;color:var(--c-ink);letter-spacing:-.01em;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:16px;height:16px;}
.brand-text{font-size:15px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--c-ink-2);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(0);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  align-items:center;justify-content:center;color:var(--c-ink);font-size:18px;
  border:1px solid var(--c-line);background:var(--c-surface);
}
.mobile-panel{
  display:none;position:fixed;inset:0;z-index:90;
  background:var(--c-bg);border-radius:var(--r-lg);
  padding:88px 20px 24px;flex-direction:column;overflow-y:auto;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel .panel-close{
  position:absolute;top:20px;right:20px;width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.mobile-panel .panel-brand{font-size:15px;font-weight:800;margin-bottom:18px;color:var(--c-primary);}
.mobile-panel a.panel-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--c-line);font-size:16px;color:var(--c-ink-2);
}
.mobile-panel a.panel-link.is-active{color:var(--c-primary);font-weight:700;}
.mobile-panel .panel-cta{margin-top:24px;}

/* ===================== 面包屑 ===================== */
.crumbs-wrap{background:var(--c-bg);padding:24px 0 0;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);line-height:1.6;}
.crumbs a{color:var(--c-muted);}
.crumbs a:hover{color:var(--c-primary);}
.crumb-sep{color:#B9B2A6;}
.crumb-current{color:var(--c-ink-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ===================== 文章头部 ===================== */
.article-head{padding:28px 0 40px;border-bottom:1px solid var(--c-line);}
.article-head h1{
  font-size:clamp(28px,3.6vw,46px);line-height:1.16;font-weight:800;letter-spacing:-.02em;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;margin-top:22px;font-size:13px;color:var(--c-muted);letter-spacing:.02em;}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-item i{font-size:12px;color:var(--c-primary);}
.article-meta .meta-divider{width:1px;height:14px;background:var(--c-line);}

/* ===================== 文章主体布局 ===================== */
.article-main{padding:56px 0 96px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.article-col{min-width:0;}
.article-body{
  max-width:800px;font-size:17.5px;line-height:1.85;color:var(--c-ink-2);
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;margin:44px 0 16px;padding-left:16px;
  font-size:26px;line-height:1.3;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:3px;background:var(--c-primary);
}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:1.4;font-weight:700;color:var(--c-ink);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:var(--c-ink);}
.article-body p{margin:0 0 1.1em;}
.article-body strong{color:var(--c-ink);font-weight:700;}
.article-body ul,.article-body ol{margin:0 0 1.2em;}
.article-body li{position:relative;margin-bottom:10px;padding-left:22px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.7em;width:7px;height:7px;border-radius:2px;background:var(--c-accent);
}
.article-body ol{counter-reset:artn;}
.article-body ol li::before{
  counter-increment:artn;content:counter(artn);
  position:absolute;left:0;top:.32em;font-size:12px;font-weight:700;color:var(--c-accent);
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--c-bg-alt);
  border-left:3px solid var(--c-accent);border-radius:var(--r-img);
  color:var(--c-ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{width:auto;max-width:100%;height:auto;margin:26px auto;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-accent);}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:22px 0;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;white-space:nowrap;}
.article-body th{background:var(--c-primary);color:#fff;font-weight:600;border-bottom:0;}
.article-body tr:last-child td{border-bottom:0;}
.article-body pre{
  margin:22px 0;padding:18px;background:var(--c-dark);color:#DCE7E3;
  border-radius:var(--r-img);overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:var(--c-bg-alt);border-radius:6px;padding:2px 6px;font-size:.92em;}
.article-body pre code{background:none;padding:0;color:inherit;}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:16px;text-align:center;padding:48px 24px;
  border:1px dashed var(--c-line);border-radius:var(--r-lg);background:var(--c-surface);
}
.empty-state .empty-figure{
  width:72px;height:72px;border-radius:22px;border:2px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-muted);font-size:24px;
  background:var(--c-bg-alt);
}
.empty-state p{font-size:15px;color:var(--c-muted);}

/* 会员提示条 */
.member-bar{
  margin-top:48px;padding:20px 22px;border-radius:var(--r-md);
  background:var(--c-primary-soft);
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
}
.member-bar .lock{
  width:42px;height:42px;flex:0 0 auto;border-radius:12px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#E8EFEC;font-size:16px;
}
.member-bar .member-text{flex:1 1 260px;min-width:0;}
.member-bar strong{display:block;font-size:16px;color:var(--c-primary);margin-bottom:2px;}
.member-bar span{font-size:14px;color:var(--c-ink-2);line-height:1.6;}

/* ===================== 侧栏 ===================== */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--c-accent);}
.side-list li + li{border-top:1px solid var(--c-line);}
.side-list a{display:block;padding:12px 0;font-size:14px;line-height:1.6;color:var(--c-ink-2);}
.side-list a:hover{color:var(--c-primary);padding-left:4px;}
.side-card.dark{
  background:var(--c-dark);border-color:transparent;color:#DCE7E3;box-shadow:var(--sh-2);
}
.side-card.dark h3{color:#fff;}
.side-card.dark p{font-size:14px;line-height:1.7;color:#AFC4BD;margin-bottom:18px;}

/* ===================== 相关推荐 ===================== */
.related{padding:0 0 96px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.related-head h2{font-size:clamp(22px,2.4vw,30px);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .16s var(--ease),box-shadow .16s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.rel-card .rel-media{aspect-ratio:16/10;overflow:hidden;border-radius:var(--r-lg) var(--r-lg) 0 0;}
.rel-card .rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-media img{transform:scale(1.03);}
.rel-card .rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card .rel-title{
  font-size:17px;font-weight:700;line-height:1.45;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-desc{
  font-size:14px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-card .rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-muted);}

/* 返回入口 */
.back-links{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  padding:24px 0 0;border-top:1px solid var(--c-line);margin-top:48px;
}
.back-links .link-arrow{border:0;}

/* ===================== CTA ===================== */
.cta-band{padding:0 0 96px;}
.cta-box{
  background:var(--c-dark);border-radius:var(--r-xl);padding:56px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:40px;align-items:center;
  box-shadow:var(--sh-3);
}
.cta-box h2{color:#fff;font-size:clamp(22px,2.6vw,32px);line-height:1.25;margin-bottom:14px;}
.cta-box p{color:#AFC4BD;font-size:15px;line-height:1.8;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{grid-column:1 / -1;font-size:12px;color:#7F948E;letter-spacing:.02em;border-top:1px solid rgba(255,255,255,.12);padding-top:18px;}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--c-dark);color:#E8EFEC;padding:72px 0 32px;}
.footer-grid{gap:40px 24px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:#fff;}
.footer-brand .brand-mark{background:var(--c-primary-hover);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#AFC4BD;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul li{margin-bottom:12px;font-size:14px;color:#AFC4BD;line-height:1.6;}
.footer-col ul li a{color:#AFC4BD;}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:#7F948E;letter-spacing:.02em;
}

/* ===================== 入场动效 ===================== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ===================== 响应式 ===================== */
@media screen and (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px;}
}
@media screen and (max-width:1023px){
  .nav-links,.nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{justify-content:space-between;padding:0 10px 0 16px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-box{grid-template-columns:minmax(0,1fr);padding:44px;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .section{padding:72px 0;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:24px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .article-body{font-size:17px;line-height:1.8;}
  .article-body h2{font-size:22px;margin:34px 0 14px;}
  .article-body h3{font-size:18.5px;}
  .member-bar{flex-direction:column;align-items:flex-start;}
  .member-bar .btn{width:100%;}
  .cta-box{padding:32px 24px;border-radius:var(--r-lg);}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{gap:32px;}
  .footer-bottom{flex-direction:column;}
  .btn{min-height:48px;}
  .article-head h1{font-size:clamp(26px,7vw,34px);}
}
@media screen and (max-width:520px){
  .brand-text{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .article-meta{gap:10px 14px;}
  .article-meta .meta-divider{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --c-bg:#F6F4EF;
  --c-bg-alt:#EFEBE3;
  --c-surface:#FFFFFF;
  --c-ink:#141A18;
  --c-ink-2:#3C4643;
  --c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C;
  --c-primary-hover:#1E6353;
  --c-primary-soft:#E4EDE9;
  --c-accent:#D2542C;
  --c-accent-hover:#B84623;
  --c-dark:#0E211D;
  --c-rate-1:#6E7773;
  --c-rate-2:#1E6353;
  --c-rate-3:#D2542C;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:14px;
  --r-img:12px;
  --r-table:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --nav-h:64px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Inter",-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
svg{display:block;}
h1,h2,h3,h4,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea,select{font:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary);}

/* 覆盖 Foundation 默认皮肤 */
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;}
.button,.button.primary,.button.secondary{background:none;color:inherit;border-radius:var(--r-pill);padding:0;margin:0;}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:none;border:0;color:inherit;margin:0;padding:0;}
table{border-collapse:collapse;background:none;}
a:hover,a:focus{color:inherit;}

/* ============ 通用排版 ============ */
.h1{
  font-size:clamp(30px,4.6vw,56px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
}
.h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.015em;
}
.h3{font-size:21px;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
.lead{font-size:17px;line-height:1.8;color:var(--c-ink-2);}
.muted{color:var(--c-muted);}
.meta{font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--c-muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ============ 容器与板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:40px;
}
.section-head p{max-width:56ch;margin-top:12px;color:var(--c-ink-2);font-size:16px;}
.divider{height:1px;background:var(--c-line);border:0;margin:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  transition:background-color 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease),border-color 160ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px);box-shadow:var(--sh-2);color:#fff;}
.btn-secondary{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-secondary:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-dark{background:var(--c-primary);color:#fff;}
.btn-dark:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);}
.btn-sm{min-height:40px;padding:0 20px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--c-primary);
}
.text-link span{transition:transform 160ms var(--ease);}
.text-link:hover span{transform:translateX(4px);}

/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;font-weight:600;
  background:var(--c-bg-alt);color:var(--c-ink-2);
  white-space:nowrap;
}
.badge--member{background:var(--c-primary-soft);color:var(--c-primary);}
.badge--pro{background:#F7E4DC;color:var(--c-accent);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 悬浮胶囊导航 ============ */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:200;
  display:flex;justify-content:center;
  padding:0 16px;
}
.nav-shell{
  width:min(1160px,92vw);
  height:var(--nav-h);
  display:flex;align-items:center;gap:20px;
  padding:0 10px 0 20px;
  border-radius:var(--r-pill);
  background:rgba(246,244,239,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);
  box-shadow:var(--sh-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0;}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;
  border-radius:9px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:16px;height:16px;}
.brand-text{
  font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:40px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:color 160ms var(--ease),background-color 160ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);}
.nav-link.is-active::after{transform:scaleX(0);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
  transition:transform 200ms var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动端面板 */
.mobile-panel{
  position:fixed;inset:0;z-index:190;
  background:rgba(14,33,29,.36);
  opacity:0;visibility:hidden;
  transition:opacity 240ms var(--ease),visibility 240ms var(--ease);
}
.mobile-panel.is-open{opacity:1;visibility:visible;}
.mobile-inner{
  position:absolute;top:12px;left:12px;right:12px;
  background:var(--c-bg);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-3);
  transform:translateY(-14px);
  transition:transform 240ms var(--ease);
  max-height:calc(100vh - 24px);
  overflow-y:auto;
}
.mobile-panel.is-open .mobile-inner{transform:translateY(0);}
.mobile-inner .mobile-title{font-size:13px;letter-spacing:.08em;color:var(--c-muted);margin-bottom:8px;}
.mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:56px;padding:0 4px;
  font-size:16px;font-weight:600;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-link.is-active{color:var(--c-primary);}
.mobile-link span{color:var(--c-muted);font-size:13px;}
.mobile-cta{margin-top:20px;}
.mobile-cta .btn{width:100%;}

/* ============ 主体偏移 ============ */
main{padding-top:calc(16px + var(--nav-h) + 28px);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:8px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:var(--c-line);font-size:14px;}
.breadcrumb a{color:var(--c-muted);transition:color 160ms var(--ease);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb [aria-current="page"]{color:var(--c-ink-2);font-weight:600;}

/* ============ 分类头 ============ */
.page-head{
  position:relative;
  padding:56px 0 72px;
  background:
    linear-gradient(180deg,rgba(20,69,60,.05),rgba(246,244,239,0) 62%),
    repeating-linear-gradient(90deg,rgba(20,32,29,.045) 0 1px,transparent 1px 96px);
  background-position:center top;
  border-bottom:1px solid var(--c-line);
}
.page-head .grid-x{align-items:center;}
.page-head__text{max-width:62ch;}
.page-head h1{margin:16px 0 20px;}
.page-head__lead{font-size:17px;line-height:1.85;color:var(--c-ink-2);}
.page-head__lead + .page-head__lead{margin-top:14px;}
.page-head__tags{margin-top:28px;}
.head-figure{position:relative;}
.head-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh-3);
}
.head-figure::after{
  content:"";position:absolute;inset:0;border-radius:var(--r-lg);
  background:rgba(20,69,60,.08);
  pointer-events:none;
}
.head-figure .head-note{
  position:absolute;left:20px;bottom:-18px;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);box-shadow:var(--sh-2);
  padding:12px 16px;font-size:13px;color:var(--c-ink-2);
  max-width:78%;
}

/* ============ 核对要点条 ============ */
.check-strip{padding:64px 0;}
.check-strip .grid-x{align-items:stretch;}
.check-item{
  padding:8px 24px;
  border-left:1px solid var(--c-line);
  height:100%;
}
.check-item:first-child{border-left:0;padding-left:0;}
.check-item .num{
  font-size:clamp(30px,4vw,44px);font-weight:800;letter-spacing:-.03em;
  color:var(--c-primary);line-height:1.05;
}
.check-item .num em{font-style:normal;color:var(--c-accent);}
.check-item h3{font-size:17px;font-weight:700;margin:10px 0 6px;}
.check-item p{font-size:14.5px;line-height:1.7;color:var(--c-muted);}

/* ============ 杂志式大卡（category1 主版式） ============ */
.cards-grid > .cell{margin-bottom:8px;}
.mag-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.mag-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6CFC2;}
.mag-card__figure{position:relative;margin:0;overflow:hidden;}
.mag-card__figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  transition:transform 400ms var(--ease);
}
.mag-card:hover .mag-card__figure img{transform:scale(1.03);}
.mag-card__figure .badge{
  position:absolute;top:14px;left:14px;
  background:rgba(246,244,239,.92);color:var(--c-primary);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.mag-card__body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:14px;flex:1;}
.mag-card__title{
  font-size:22px;line-height:1.35;font-weight:700;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mag-card__desc{
  font-size:15px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mag-card__foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mag-card__link{font-size:14.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;}
.mag-card__link span{transition:transform 160ms var(--ease);}
.mag-card:hover .mag-card__link span{transform:translateX(4px);}

/* 静态分页示意 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px;}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:var(--c-surface);
  font-size:14.5px;font-weight:600;color:var(--c-ink-2);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),background-color 160ms var(--ease);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.pager .is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.pager .is-disabled{opacity:.45;pointer-events:none;}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);height:100%;
  transition:box-shadow 200ms var(--ease),transform 200ms var(--ease);
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.step__index{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:800;
}
.step h3{font-size:18px;font-weight:700;margin:16px 0 10px;}
.step p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}
.step ul{margin-top:14px;display:grid;gap:8px;}
.step li{
  position:relative;padding-left:16px;font-size:14px;color:var(--c-muted);line-height:1.7;
}
.step li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--c-accent);
}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;
  transition:box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:#D6CFC2;box-shadow:var(--sh-2);}
.faq-q{
  position:relative;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:56px;padding:14px 20px 14px 20px;
  text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--c-accent);border-radius:0 3px 3px 0;
  transform:scaleY(0);transform-origin:center;transition:transform 240ms var(--ease);
}
.faq-item.is-open .faq-q::before{transform:scaleY(1);}
.faq-icon{
  position:relative;flex:0 0 22px;width:22px;height:22px;
  transition:transform 240ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
}
.faq-icon::before{left:2px;right:2px;top:10px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:10px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 240ms var(--ease);
}
.faq-a__inner{
  padding:0 20px 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}

/* ============ 相关分类胶囊 ============ */
.related{padding:20px 0 0;}
.related h2{font-size:20px;font-weight:700;margin-bottom:18px;}
.pill-links{display:flex;flex-wrap:wrap;gap:12px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:15px;font-weight:600;color:var(--c-ink-2);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),background-color 160ms var(--ease),transform 160ms var(--ease);
}
.pill-link::after{content:"→";color:var(--c-muted);transition:transform 160ms var(--ease);}
.pill-link:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);transform:translateY(-1px);}
.pill-link:hover::after{transform:translateX(3px);}

/* ============ 收尾 CTA ============ */
.cta-band{
  background:var(--c-dark);color:#E8EFEC;
  border-radius:24px;padding:56px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  box-shadow:var(--sh-3);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.24;font-weight:700;letter-spacing:-.015em;}
.cta-band p{color:rgba(232,239,236,.78);margin-top:14px;font-size:16px;max-width:52ch;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
.cta-band .btn-secondary{border-color:rgba(232,239,236,.5);color:#E8EFEC;}
.cta-band .btn-secondary:hover{background:rgba(232,239,236,.12);color:#fff;}
.cta-note{margin-top:20px;font-size:12px;color:rgba(232,239,236,.6);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-dark);color:#E8EFEC;
  padding:72px 0 32px;margin-top:96px;
}
.footer-grid{gap:40px 0;}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em;
}
.footer-brand .brand-mark{background:var(--c-primary-hover);}
.footer-desc{
  margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(232,239,236,.7);max-width:34ch;
}
.footer-col h4{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:#fff;margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:rgba(232,239,236,.72);line-height:1.65;}
.footer-col a{color:rgba(232,239,236,.72);transition:color 160ms var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(232,239,236,.6);
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 460ms var(--ease),transform 460ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-shell{width:min(1080px,94vw);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{padding:0 10px 0 16px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .page-head{padding:44px 0 56px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px;gap:28px;}
  .cta-band__actions{width:100%;}
  .head-figure{margin-top:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .check-item{border-left:0;border-top:1px solid var(--c-line);padding:22px 0 0;margin-top:22px;}
  .check-item:first-child{border-top:0;margin-top:0;padding-top:0;}
  .mag-card__body{padding:20px;}
  .mag-card__title{font-size:19px;}
  .cta-band{border-radius:20px;padding:32px 24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding:56px 0 28px;margin-top:64px;}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .pager{gap:8px;}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 10px;font-size:14px;}
}
@media (min-width:521px){
  .btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --c-bg:#F6F4EF;
  --c-bg-alt:#EFEBE3;
  --c-surface:#FFFFFF;
  --c-ink:#141A18;
  --c-ink-2:#3C4643;
  --c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C;
  --c-primary-hover:#1E6353;
  --c-primary-soft:#E4EDE9;
  --c-accent:#D2542C;
  --c-accent-hover:#B84623;
  --c-accent-soft:#FBEDE7;
  --c-dark:#0E211D;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:112px;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  background-image:linear-gradient(rgba(20,69,60,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,60,.028) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color 160ms var(--ease);}
a:hover{color:var(--c-primary-hover);}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.button{background:none;color:inherit;border:0;padding:0;margin:0;font-size:inherit;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px;margin:0 auto;}
.grid-container.full{padding-left:24px;padding-right:24px;}
.grid-x{display:flex;flex-flow:row wrap;}
.grid-x>.cell{min-width:0;}
.row{max-width:1280px;margin:0 auto;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  transition:background 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease),border-color 160ms var(--ease),box-shadow 160ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover,.btn-primary:focus{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-primary-soft);color:var(--c-primary);border-color:var(--c-primary-hover);}
.btn-light{background:rgba(255,255,255,.10);color:#EAF2EE;border:1.5px solid rgba(255,255,255,.28);}
.btn-light:hover,.btn-light:focus{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.text-link i,.text-link .arw{transition:transform 160ms var(--ease);font-size:12px;}
.text-link:hover{color:var(--c-primary-hover);}
.text-link:hover i,.text-link:hover .arw{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;font-weight:600;
  background:var(--c-bg-alt);color:var(--c-ink-2);white-space:nowrap;
}
.badge-member{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-pro{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-plain{background:var(--c-bg-alt);color:var(--c-ink-2);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;color:var(--c-ink-2);background:var(--c-surface);border:1px solid var(--c-line);
}
.meta-text{font-size:13px;line-height:1.5;letter-spacing:.02em;color:var(--c-muted);}

/* ---------- 头部悬浮胶囊导航 ---------- */
.site-header{position:fixed;top:16px;left:0;right:0;z-index:200;pointer-events:none;}
.nav-shell{
  pointer-events:auto;
  width:min(1160px,92vw);margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:rgba(246,244,239,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);
  box-shadow:var(--sh-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:800;font-size:15.5px;letter-spacing:-.01em;}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 28px;
}
.brand-mark svg{width:16px;height:16px;}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:14.5px;color:var(--c-ink-2);font-weight:500;
  transition:color 160ms var(--ease),background 160ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--c-accent);border-radius:2px;width:0;transition:width 200ms var(--ease);
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{width:calc(100% - 28px);}
.nav-link.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;}
.nav-link.is-active::after{display:none;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-cta{height:42px;padding:0 22px;font-size:14.5px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  align-items:center;justify-content:center;color:var(--c-ink);font-size:18px;
  background:rgba(20,32,29,.04);
}
.nav-toggle:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.mobile-panel{
  pointer-events:auto;
  position:fixed;inset:0;z-index:190;display:none;
  background:rgba(14,33,29,.32);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.mobile-panel.is-open{display:block;}
.mobile-panel-inner{
  position:absolute;top:12px;left:12px;right:12px;
  background:var(--c-bg);border-radius:var(--r-lg);box-shadow:var(--sh-3);
  padding:18px;max-height:calc(100vh - 24px);overflow-y:auto;
}
.mobile-panel-head{display:flex;align-items:center;justify-content:space-between;padding:4px 6px 14px;border-bottom:1px solid var(--c-line);}
.mobile-panel-close{width:44px;height:44px;border-radius:var(--r-pill);display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);background:rgba(20,32,29,.04);}
.mobile-panel-close:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.mobile-links{display:flex;flex-direction:column;padding:6px 0 12px;}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 6px;font-size:16px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-links a:last-child{border-bottom:0;}
.mobile-links a.is-active{color:var(--c-primary);font-weight:700;}
.mobile-links a i{font-size:12px;color:var(--c-muted);}
.mobile-panel-cta{padding-top:8px;}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding:26px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B9B2A6;}
.breadcrumb .current{color:var(--c-ink-2);font-weight:600;}

/* ---------- 分类头 ---------- */
.cat-hero{padding:36px 0 56px;}
.cat-hero-inner{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.cat-hero-grid{display:flex;flex-wrap:wrap;align-items:stretch;}
.cat-hero-copy{padding:48px 44px 44px;display:flex;flex-direction:column;justify-content:center;}
.cat-hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  height:28px;padding:0 13px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(30px,4.6vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.02em;
  color:var(--c-ink);margin-bottom:18px;
}
.cat-hero h1 em{font-style:normal;color:var(--c-primary);}
.cat-hero-lead{font-size:16.5px;line-height:1.8;color:var(--c-ink-2);max-width:56ch;margin-bottom:14px;}
.cat-hero-sub{font-size:14.5px;line-height:1.8;color:var(--c-muted);max-width:58ch;}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.cat-hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.cat-hero-media{position:relative;min-height:320px;background:var(--c-dark);}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;aspect-ratio:4/3;}
.cat-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,69,60,.10) 0%,rgba(14,33,29,.55) 100%);
}
.cat-hero-media .media-note{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  color:#EAF2EE;font-size:13px;line-height:1.6;letter-spacing:.02em;
}
.cat-hero-media .media-note strong{display:block;font-size:15px;font-weight:700;color:#fff;margin-bottom:4px;}

/* ---------- 统计条 ---------- */
.stat-strip{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:var(--c-bg-alt);}
.stat-grid{display:flex;flex-wrap:wrap;}
.stat-item{
  padding:32px 24px;text-align:center;position:relative;
  flex:1 1 25%;
  border-right:1px solid var(--c-line);
}
.stat-item:last-child{border-right:0;}
.stat-num{
  display:block;font-size:clamp(30px,3.6vw,42px);font-weight:800;line-height:1.1;
  letter-spacing:-.02em;color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.stat-num .unit{font-size:18px;font-weight:700;margin-left:4px;color:var(--c-primary-hover);}
.stat-label{display:block;margin-top:8px;font-size:13.5px;color:var(--c-muted);letter-spacing:.02em;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.02em;}
.section-head .sec-sub{margin-top:10px;font-size:15px;color:var(--c-muted);line-height:1.7;max-width:62ch;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.08em;color:var(--c-accent);margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px;}

/* ---------- 单列横向卡列表 ---------- */
.row-list{display:flex;flex-direction:column;gap:16px;}
.row-card{
  display:flex;gap:22px;align-items:stretch;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);
  transition:box-shadow 200ms var(--ease),transform 200ms var(--ease),border-color 200ms var(--ease);
}
.row-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6D0C4;}
.row-card-media{
  flex:0 0 240px;width:240px;aspect-ratio:8/5;border-radius:var(--r-sm);
  overflow:hidden;background:var(--c-bg-alt);position:relative;
}
.row-card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.row-card:hover .row-card-media img{transform:scale(1.03);}
.row-card-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.row-card-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.row-card-title{
  font-size:19px;line-height:1.42;font-weight:700;letter-spacing:-.01em;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-card-title a{color:var(--c-ink);}
.row-card-title a:hover{color:var(--c-primary);}
.row-card-desc{
  font-size:14.5px;line-height:1.72;color:var(--c-ink-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-card-foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;padding-top:12px;border-top:1px dashed var(--c-line);
}
.row-card-foot .foot-left{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted);}
.row-card-foot .lock{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:13px;}
.row-card-foot .lock i{font-size:11px;}

/* ---------- 适用场景 / 卖点 ---------- */
.value-grid{display:flex;flex-wrap:wrap;gap:24px;}
.value-card{
  flex:1 1 calc(33.333% - 16px);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);transition:box-shadow 200ms var(--ease),transform 200ms var(--ease);
}
.value-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.value-icon{
  width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:18px;margin-bottom:18px;
}
.value-card h3{font-size:18px;font-weight:700;line-height:1.4;margin-bottom:10px;letter-spacing:-.01em;}
.value-card p{font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}

/* ---------- 流程 ---------- */
.steps{position:relative;display:flex;flex-wrap:wrap;gap:24px;}
.steps::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;
  background:repeating-linear-gradient(90deg,var(--c-line) 0 8px,transparent 8px 16px);
  z-index:0;
}
.step{flex:1 1 calc(25% - 18px);position:relative;z-index:1;}
.step-num{
  width:52px;height:52px;border-radius:var(--r-pill);background:var(--c-surface);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;color:var(--c-primary);margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:16.5px;font-weight:700;margin-bottom:8px;line-height:1.4;}
.step p{font-size:14px;line-height:1.72;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow 200ms var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:12px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.5;
  background:none;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-accent);opacity:0;transition:opacity 200ms var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-item.is-open .faq-q{color:var(--c-primary);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--c-muted);transition:transform 200ms var(--ease),color 200ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms var(--ease);}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- CTA ---------- */
.cta-band{padding:80px 0;}
.cta-inner{
  background:var(--c-dark);border-radius:24px;padding:56px 48px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-inner::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(210,84,44,.22),transparent 68%);
}
.cta-copy{position:relative;z-index:1;max-width:620px;}
.cta-copy h2{font-size:clamp(24px,3vw,34px);line-height:1.24;font-weight:700;letter-spacing:-.02em;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:15px;line-height:1.78;color:#B9CCC5;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}
.cta-note{margin-top:22px;font-size:12.5px;color:#7E948C;line-height:1.7;position:relative;z-index:1;}

/* ---------- 相关分类胶囊 ---------- */
.related-list{display:flex;flex-wrap:wrap;gap:12px;}
.related-pill{
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 22px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);
  color:var(--c-ink-2);font-size:15px;font-weight:600;box-shadow:var(--sh-1);
  transition:border-color 160ms var(--ease),color 160ms var(--ease),transform 160ms var(--ease),box-shadow 160ms var(--ease);
}
.related-pill:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-2);}
.related-pill i{font-size:12px;color:var(--c-accent);}

/* ---------- 分页 / 更多按钮位 ---------- */
.more-row{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:40px;}
.more-row .meta-text{text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#E8EFEC;padding:72px 0 28px;margin-top:0;}
.footer-grid{gap:32px 24px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-primary-hover);}
.footer-desc{font-size:14px;line-height:1.8;color:#9FB5AE;max-width:34ch;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col li,.footer-col a{font-size:14px;line-height:1.6;color:#9FB5AE;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:#7E948C;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 600ms var(--ease),transform 600ms var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .grid-container{padding-left:24px;padding-right:24px;}
}
@media (max-width:1023px){
  body{padding-top:96px;}
  .nav-links,.nav-actions .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-shell{height:60px;padding:0 8px 0 16px;}
  .section{padding:72px 0;}
  .cat-hero-copy{padding:40px 32px 36px;}
  .cat-hero-media{min-height:260px;}
  .value-card{flex:1 1 calc(50% - 12px);}
  .step{flex:1 1 calc(50% - 12px);}
  .steps::before{display:none;}
  .cta-inner{padding:44px 32px;}
}
@media (max-width:767px){
  body{padding-top:88px;font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .breadcrumb-wrap{padding:20px 0 0;}
  .cat-hero{padding:24px 0 40px;}
  .cat-hero-copy{padding:32px 22px 28px;}
  .cat-hero-media{min-height:210px;}
  .section-head{margin-bottom:26px;}
  .row-card{flex-direction:column;gap:16px;padding:16px;}
  .row-card-media{flex:0 0 auto;width:100%;aspect-ratio:16/10;}
  .row-card-title{font-size:17.5px;}
  .stat-item{flex:1 1 50%;padding:24px 12px;border-bottom:1px solid var(--c-line);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
  .value-card{flex:1 1 100%;padding:24px 20px;}
  .step{flex:1 1 100%;}
  .cta-band{padding:56px 0;}
  .cta-inner{padding:34px 22px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .related-pill{width:100%;justify-content:space-between;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{margin-top:34px;}
}
@media (max-width:519px){
  .cat-hero h1{font-size:30px;}
  .btn{padding:0 22px;}
  .section-head h2{font-size:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ============ 1. 设计变量 ============ */
:root{
  --c-bg:#F6F4EF;
  --c-bg-alt:#EFEBE3;
  --c-surface:#FFFFFF;
  --c-ink:#141A18;
  --c-ink-2:#3C4643;
  --c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C;
  --c-primary-hover:#1E6353;
  --c-primary-soft:#E4EDE9;
  --c-accent:#D2542C;
  --c-accent-hover:#B84623;
  --c-accent-soft:#FBEAE3;
  --c-dark:#0E211D;
  --c-rate-1:#6E7773;
  --c-rate-2:#1E6353;
  --c-rate-3:#D2542C;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --font-num:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ 2. 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s var(--ease);}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:var(--c-primary-soft);color:var(--c-primary);}
strong{font-weight:700;}

/* ============ 3. 容器与板块 ============ */
.grid-container{
  width:100%;
  max-width:1280px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-x{display:flex;flex-wrap:wrap;}
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head h2{max-width:640px;}
.section-note{
  font-size:14px;
  line-height:1.7;
  color:var(--c-muted);
  max-width:420px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  font-weight:600;
  color:var(--c-accent);
  margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
}
h1{font-size:clamp(30px,4.6vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.015em;}
h3{font-size:20px;line-height:1.35;font-weight:700;}
p{font-size:16px;line-height:1.75;color:var(--c-ink-2);}

/* ============ 4. 悬浮胶囊导航 ============ */
.capsule-nav{
  position:sticky;
  top:16px;
  z-index:90;
  width:min(1160px,calc(100% - 32px));
  margin:16px auto 0;
  background:rgba(246,244,239,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 10px 0 18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--c-ink);
  font-weight:700;
  font-size:15px;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--c-primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:15px;height:15px;}
.brand-text{white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:2px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-ink-2);
  white-space:nowrap;
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  width:0;
  height:2px;
  background:var(--c-accent);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .18s var(--ease);
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after{width:calc(100% - 28px);}
.nav-link.is-active{
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-weight:600;
}
.nav-link.is-active::after{width:0;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-mobile-cta{display:none;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-md);
  align-items:center;
  justify-content:center;
  color:var(--c-ink);
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:currentColor;
  border-radius:2px;
  position:relative;
  transition:background .2s var(--ease);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:20px;
  height:2px;
  background:currentColor;
  border-radius:2px;
  transition:transform .2s var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.nav-backdrop{
  position:fixed;
  inset:0;
  background:rgba(14,33,29,.32);
  z-index:70;
  display:none;
}
.nav-backdrop.is-open{display:block;}

/* ============ 5. 按钮体系 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-accent-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary);}
.btn-light{background:rgba(246,244,239,.12);border-color:rgba(246,244,239,.42);color:#F6F4EF;}
.btn-light:hover{background:rgba(246,244,239,.2);color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 6. 徽章与标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1;
  white-space:nowrap;
}
.badge-member{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-pro{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-neutral{background:var(--c-bg-alt);color:var(--c-ink-2);}

/* ============ 7. 面包屑 ============ */
.crumb{
  padding-top:26px;
  font-size:13px;
  color:var(--c-muted);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;}
.crumb li{display:inline-flex;align-items:center;gap:6px;}
.crumb li+li::before{content:"›";color:var(--c-line);font-size:14px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .is-current{color:var(--c-ink-2);font-weight:600;}

/* ============ 8. 分类头 ============ */
.hero{padding:48px 0 72px;}
.hero-copy{max-width:620px;}
.hero h1{margin-bottom:16px;}
.hero-sub{
  font-size:18px;
  line-height:1.6;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:16px;
}
.hero-text{font-size:16px;line-height:1.8;color:var(--c-ink-2);margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-ink-2);
}
.hero-media{display:flex;justify-content:flex-end;}
.hero-figure{
  position:relative;
  width:100%;
  max-width:560px;
  aspect-ratio:4/3;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-3);
  background:var(--c-bg-alt);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure-mask{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(20,69,60,.08),rgba(20,69,60,.28));
}
.hero-chip{
  position:absolute;
  left:20px;
  bottom:20px;
  display:inline-flex;
  align-items:center;
  height:34px;
  padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(246,244,239,.92);
  color:var(--c-primary);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}

/* ============ 9. 数据条 ============ */
.stats{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:40px 0;}
.stat-row{display:flex;flex-wrap:wrap;}
.stat{
  flex:1 1 0;
  min-width:150px;
  padding:0 24px;
  border-left:1px solid var(--c-line);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat strong{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.1;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-primary);
}
.stat span{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--c-muted);
  letter-spacing:.02em;
}

/* ============ 10. 卡片通用 ============ */
.card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.card-cover{
  display:block;
  aspect-ratio:16/10;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--c-bg-alt);
  margin-bottom:18px;
}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-badge{margin-bottom:12px;}
.card-title{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
  color:var(--c-ink);
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-desc{
  font-size:14px;
  line-height:1.7;
  color:var(--c-muted);
  margin-bottom:16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
}
.card-time{font-size:13px;color:var(--c-muted);letter-spacing:.02em;}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
}
.card-link svg{width:14px;height:14px;transition:transform .16s var(--ease);}
.card-link:hover svg{transform:translateX(4px);}

/* ============ 11. 筛选侧栏 + 三列紧凑卡 ============ */
.filter-layout{--pad:12px;}
.filter-rail{
  padding-right:32px;
}
.filter-rail-inner{
  position:sticky;
  top:104px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:24px 20px;
  box-shadow:var(--sh-1);
}
.filter-group+.filter-group{margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line);}
.filter-group h3{
  font-size:12px;
  letter-spacing:.14em;
  font-weight:600;
  color:var(--c-muted);
  margin-bottom:12px;
}
.filter-list{display:flex;flex-wrap:wrap;gap:8px;}
.filter-item{
  height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink-2);
  font-size:13px;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.filter-item:hover{border-color:var(--c-primary);color:var(--c-primary);}
.filter-item.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600;}
.cards-3{display:flex;flex-wrap:wrap;margin:0 -12px;}
.cards-3>.cell{padding:0 12px 24px;}
.list-more{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:8px;
  padding-top:24px;
  border-top:1px solid var(--c-line);
}
.list-more p{font-size:13px;color:var(--c-muted);}

/* ============ 12. 等级对照 ============ */
.tiers{display:flex;flex-wrap:wrap;margin:0 -12px;}
.tiers>.cell{padding:0 12px 24px;}
.tier{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease);
}
.tier:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.tier-name{font-size:18px;font-weight:700;color:var(--c-ink);}
.tier-price{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-primary);
  margin-bottom:6px;
}
.tier-price small{font-size:13px;font-weight:500;color:var(--c-muted);letter-spacing:0;margin-left:4px;}
.tier-desc{font-size:13px;color:var(--c-muted);line-height:1.7;margin-bottom:20px;}
.tier-list{margin-bottom:24px;}
.tier-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:9px 0;
  font-size:14px;
  line-height:1.6;
  color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.tier-list li:last-child{border-bottom:0;}
.tier-list .mark{
  flex:0 0 auto;
  width:18px;
  height:18px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  font-weight:700;
  margin-top:3px;
}
.mark-yes{background:var(--c-primary-soft);color:var(--c-primary);}
.mark-no{background:var(--c-bg-alt);color:var(--c-muted);}
.tier .btn{margin-top:auto;width:100%;}
.tier-pro{
  background:var(--c-dark);
  border-color:var(--c-dark);
  border-top:3px solid var(--c-accent);
  position:relative;
  overflow:hidden;
}
.tier-pro .tier-name,.tier-pro .tier-price{color:#F6F4EF;}
.tier-pro .tier-price small{color:rgba(232,239,236,.7);}
.tier-pro .tier-desc{color:rgba(232,239,236,.72);}
.tier-pro .tier-list li{color:#E8EFEC;border-bottom-color:rgba(255,255,255,.12);}
.tier-pro .mark-yes{background:rgba(210,84,44,.22);color:#F0A184;}
.tier-pro .mark-no{background:rgba(255,255,255,.08);color:rgba(232,239,236,.55);}
.tier-pro .btn-primary{box-shadow:none;}
.tier-rec{
  position:absolute;
  top:18px;
  right:18px;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--c-accent);
  color:#fff;
  font-size:12px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  line-height:1;
}

/* ============ 13. 流程 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease);
}
.flow-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:12px;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  font-family:var(--font-num);
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
}
.flow-item h3{font-size:17px;margin-bottom:10px;}
.flow-item p{font-size:14px;line-height:1.75;color:var(--c-muted);}

/* ============ 14. FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:box-shadow .18s var(--ease);
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:3px;
  background:var(--c-accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .24s var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-2);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{margin:0;}
.faq-trigger{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 20px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.5;
}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:20px;
  height:20px;
  border-radius:50%;
  border:1.5px solid var(--c-line);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--c-primary);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:9px;height:1.6px;}
.faq-icon::after{width:1.6px;height:9px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--c-accent);background:var(--c-accent-soft);}
.faq-item.is-open .faq-icon::before,
.faq-item.is-open .faq-icon::after{background:var(--c-accent);}
.faq-panel{padding:0 20px 20px;}
.faq-panel[hidden]{display:none;}
.faq-panel p{font-size:15px;line-height:1.8;color:var(--c-ink-2);}

/* ============ 15. CTA ============ */
.cta-panel{
  background:var(--c-dark);
  border-radius:24px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:32px;
  align-items:center;
}
.cta-panel h2{color:#F6F4EF;margin-bottom:12px;}
.cta-panel p{color:rgba(232,239,236,.78);font-size:15px;line-height:1.75;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{
  grid-column:1/-1;
  font-size:12px;
  color:rgba(232,239,236,.55);
  letter-spacing:.02em;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.12);
}

/* ============ 16. 相关分类胶囊 ============ */
.pill-links{display:flex;flex-wrap:wrap;gap:14px;}
.pill-link{
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:52px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  color:var(--c-ink);
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.pill-link span{color:var(--c-accent);transition:transform .16s var(--ease);display:inline-flex;}
.pill-link:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-2);transform:translateY(-2px);}
.pill-link:hover span{transform:translateX(4px);}

/* ============ 17. 页脚 ============ */
.site-footer{
  background:var(--c-dark);
  color:#E8EFEC;
  padding:64px 0 28px;
}
.footer-grid{margin:0 -12px;}
.footer-grid>.cell{padding:0 12px 32px;}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#F6F4EF;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:var(--c-accent);}
.footer-desc{
  font-size:14px;
  line-height:1.75;
  color:rgba(232,239,236,.7);
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#F6F4EF;
  letter-spacing:.06em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{
  font-size:14px;
  line-height:1.7;
  color:rgba(232,239,236,.7);
}
.footer-col a{
  color:rgba(232,239,236,.7);
  font-size:14px;
}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(232,239,236,.6);
}

/* ============ 18. 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 19. 响应式 ============ */
@media (max-width:1279px){
  .filter-rail{padding-right:24px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .section-note{max-width:none;}
  .capsule-nav{width:calc(100% - 32px);border-radius:20px;}
  .nav-inner{height:60px;padding:0 8px 0 16px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
  .nav-links{
    display:none;
    position:fixed;
    left:16px;
    right:16px;
    top:92px;
    bottom:24px;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:12px;
    background:var(--c-bg);
    border:1px solid var(--c-line);
    border-radius:20px;
    box-shadow:var(--sh-3);
    overflow-y:auto;
    z-index:80;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{
    height:56px;
    padding:0 16px;
    border-radius:12px;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
  }
  .nav-link:last-child{border-bottom:0;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:var(--c-primary-soft);}
  .nav-mobile-cta{
    display:inline-flex;
    justify-content:center;
    margin-top:14px;
    height:52px;
    background:var(--c-accent);
    border-radius:var(--r-pill);
    color:#fff;
    font-weight:600;
    border-bottom:0;
  }
  .nav-mobile-cta:hover{background:var(--c-accent-hover);color:#fff;}
  .hero{padding:36px 0 56px;}
  .hero-media{justify-content:flex-start;margin-top:32px;}
  .hero-figure{max-width:100%;}
  .filter-rail{padding-right:12px;padding-bottom:8px;}
  .filter-rail-inner{position:static;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
}
@media (max-width:767px){
  .stat{flex:1 1 50%;min-width:0;padding:0 20px 24px;border-left:0;}
  .stat:nth-child(odd){padding-left:0;}
  .stat:nth-child(even){border-left:1px solid var(--c-line);}
  .tiers>.cell{width:100%;}
  .flow{grid-template-columns:1fr;}
  .footer-col{width:50%;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  .stats{padding:32px 0;}
  .hero-tags li{font-size:12px;}
  .hero-actions .btn{width:100%;}
  .cta-panel{padding:36px 24px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-trigger{font-size:15px;padding:14px 16px;}
  .faq-panel{padding:0 16px 18px;}
  .footer-col{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .pill-link{width:100%;justify-content:space-between;}
  .brand-text{font-size:14px;max-width:170px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

/* ============ 20. 动效偏好 ============ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --c-bg:#F6F4EF; --c-bg-alt:#EFEBE3; --c-surface:#FFFFFF;
  --c-ink:#141A18; --c-ink-2:#3C4643; --c-muted:#6E7773;
  --c-line:#E1DCD2;
  --c-primary:#14453C; --c-primary-hover:#1E6353; --c-primary-soft:#E4EDE9;
  --c-accent:#D2542C; --c-accent-hover:#B84623; --c-accent-soft:#F7E5DE;
  --c-dark:#0E211D;
  --c-rate-1:#6E7773; --c-rate-2:#1E6353; --c-rate-3:#D2542C;
  --sh-1:0 1px 2px rgba(14,33,29,.05);
  --sh-2:0 10px 30px -14px rgba(14,33,29,.18);
  --sh-3:0 24px 60px -24px rgba(14,33,29,.28);
  --r-pill:999px; --r-lg:20px; --r-md:14px; --r-img:12px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",Inter,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16.5px;line-height:1.75;
  color:var(--c-ink);background:var(--c-bg);overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
h1{font-size:clamp(30px,4.6vw,56px);line-height:1.12;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.22;font-weight:700;letter-spacing:-.01em}
h3{font-size:clamp(19px,2vw,23px);line-height:1.35;font-weight:700}
p{font-size:16.5px;line-height:1.78;color:var(--c-ink-2)}
.grid-container{max-width:1280px;padding-left:24px;padding-right:24px}
.grid-x{display:flex;flex-wrap:wrap}
.section{padding:96px 0}
.section-alt{background:var(--c-bg-alt)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:var(--c-muted);margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-accent)}
.lead{font-size:17px;color:var(--c-ink-2);max-width:62ch}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:16px;z-index:80;padding:0}
.nav-shell{
  width:min(1160px,92vw);margin:0 auto;min-height:64px;
  display:flex;align-items:center;gap:14px;
  padding:8px 10px 8px 18px;border-radius:var(--r-pill);
  background:rgba(246,244,239,.78);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(20,32,29,.08);box-shadow:var(--sh-2);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:2px 0}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--c-primary);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:16px;height:16px}
.brand-text{font-size:15px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{position:relative;font-size:15px;color:var(--c-ink-2);padding:9px 12px;border-radius:var(--r-pill);transition:color .16s var(--ease),background .16s var(--ease)}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--c-accent);width:0;transition:width .16s var(--ease)}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{width:calc(100% - 24px)}
.nav-link.is-active{color:var(--c-primary);background:var(--c-primary-soft);font-weight:600}
.nav-link.is-active::after{display:none}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.nav-toggle{display:none;width:46px;height:46px;border-radius:50%;align-items:center;justify-content:center;flex-direction:column;gap:5px;background:var(--c-primary)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#F6F4EF;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-panel{
  position:fixed;inset:0;z-index:120;display:none;
  background:var(--c-bg);border-radius:20px;padding:96px 22px 28px;
  flex-direction:column;overflow-y:auto;
}
.mobile-panel.is-open{display:flex}
.mobile-panel a.m-link{display:flex;align-items:center;height:56px;font-size:17px;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.mobile-panel a.m-link.is-active{color:var(--c-primary)}
.mobile-panel .m-close{position:absolute;top:20px;right:20px;width:46px;height:46px;border-radius:50%;background:var(--c-primary-soft);display:grid;place-items:center;font-size:20px;color:var(--c-primary)}
.mobile-panel .m-cta{margin-top:auto;padding-top:24px}
.mobile-panel .m-cta .btn{width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:background .16s var(--ease),color .16s var(--ease),transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease);
}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:0 8px 20px -12px rgba(210,84,44,.9)}
.btn-primary:hover{background:var(--c-accent-hover);transform:translateY(-1px)}
.btn-secondary{background:transparent;border:1.5px solid var(--c-primary);color:var(--c-primary)}
.btn-secondary:hover{background:var(--c-primary-soft)}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--c-primary);transition:color .16s var(--ease)}
.btn-text span{display:inline-block;transition:transform .16s var(--ease)}
.btn-text:hover{color:var(--c-primary-hover)}
.btn-text:hover span{transform:translateX(4px)}
.on-dark .btn-secondary{border-color:rgba(232,239,236,.55);color:#E8EFEC}
.on-dark .btn-secondary:hover{background:rgba(232,239,236,.14)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;font-weight:600}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
.badge-neutral{background:var(--c-bg-alt);color:var(--c-ink-2);font-weight:500}
.pill{display:inline-flex;align-items:center;min-height:44px;padding:0 22px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:var(--c-surface);font-size:15px;color:var(--c-ink-2);transition:border-color .16s var(--ease),color .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease)}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1);transform:translateY(-1px)}

/* ---------- 面包屑 ---------- */
.breadcrumb{font-size:13px;color:var(--c-muted);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .now{color:var(--c-ink-2)}

/* ---------- 分类头 ---------- */
.cat-hero{padding:56px 0 72px;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(0deg,rgba(20,69,60,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(20,69,60,.035) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;
}
.cat-hero .grid-container{position:relative;z-index:1}
.hero-tagline{font-size:17.5px;color:var(--c-ink-2);max-width:56ch;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{font-size:13px;color:var(--c-muted);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 14px;background:rgba(255,255,255,.6)}
.cat-hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);margin-top:28px}
.cat-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.cat-hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,69,60,.08)}

/* ---------- 快捷求助卡 ---------- */
.help-cards .card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;height:100%;box-shadow:var(--sh-1);
  transition:box-shadow .16s var(--ease),transform .16s var(--ease);
}
.help-cards .card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.help-cards .card h3{font-size:19px;margin:14px 0 10px}
.help-cards .card p{font-size:15px;line-height:1.72}
.help-cards .card .idx{font-size:13px;color:var(--c-muted);letter-spacing:.08em}

/* ---------- 交错图文专题 ---------- */
.topic-row{padding:56px 0;border-bottom:1px solid var(--c-line)}
.topic-row:last-child{border-bottom:0}
.topic-row .grid-x{align-items:center}
.topic-media .media-frame{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-bg-alt)}
.topic-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);transition:transform .4s var(--ease)}
.topic-media:hover img{transform:scale(1.03)}
.topic-body h3{margin:16px 0 14px}
.topic-body p{font-size:16px;line-height:1.8}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{position:relative;padding-left:22px;font-size:15px;line-height:1.7;color:var(--c-ink-2)}
.check-list li::before{content:"";position:absolute;left:2px;top:10px;width:8px;height:8px;border-radius:2px;background:var(--c-accent)}
@media screen and (min-width:1024px){
  .topic-row{gap:0}
  .topic-row.is-reverse .topic-media{order:2}
  .topic-row.is-reverse .topic-body{order:1}
}

/* ---------- 流程 ---------- */
.steps{gap:0}
.step{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);height:100%}
.step .num{width:36px;height:36px;border-radius:50%;background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;font-weight:700;font-size:15px;margin-bottom:16px}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .16s var(--ease),border-color .16s var(--ease)}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item.is-open{border-color:rgba(20,69,60,.28);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);position:relative;
  transition:background .16s var(--ease);
}
.faq-q::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent);opacity:0;transition:opacity .16s var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .sign{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-bg-alt);color:var(--c-primary);display:grid;place-items:center;font-size:17px;font-weight:500;transition:transform .24s var(--ease),background .16s var(--ease)}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);background:var(--c-primary-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a .inner{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 相关分类 & 分页 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:12px}
.more-bar{display:flex;flex-direction:column;align-items:center;gap:14px;margin-top:48px;text-align:center}
.more-bar .hint{font-size:13px;color:var(--c-muted)}

/* ---------- 收尾 CTA ---------- */
.cta-band{background:var(--c-dark);color:#E8EFEC;padding:72px 0}
.cta-band h2{color:#F6F4EF}
.cta-band p{color:rgba(232,239,236,.78)}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-copy{flex:1 1 420px;max-width:620px}
.cta-copy p{margin-top:14px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-note{margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(232,239,236,.6);letter-spacing:.02em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#E8EFEC;padding:72px 0 32px}
.footer-grid{gap:32px 24px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#F6F4EF}
.footer-brand .brand-mark{background:rgba(232,239,236,.14)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.75;color:rgba(232,239,236,.7);max-width:34ch}
.footer-col h4{font-size:14px;letter-spacing:.04em;color:#F6F4EF;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li,.footer-col a{font-size:14px;color:rgba(232,239,236,.72)}
.footer-col a:hover{color:#F6F4EF}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:rgba(232,239,236,.58);
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0}
  .nav-links,.nav-actions .btn{display:none}
  .nav-toggle{display:flex}
  .nav-shell{padding:8px 10px 8px 16px}
  .brand-text{font-size:14px}
  .cat-hero{padding:36px 0 56px}
  .topic-row{padding:40px 0}
  .topic-media{margin-bottom:24px}
  .cta-band{padding:56px 0}
  .site-footer{padding:56px 0 28px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .grid-container{padding-left:20px;padding-right:20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:24px}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis}
  .hero-actions .btn{width:100%}
  .help-cards .card{padding:20px}
  .step{padding:20px}
  .more-bar .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}