/* roulang page: index */
:root{
  --ink:#17150F;--ink-2:#3A352C;--ink-3:#6B6355;
  --paper:#F7F4EE;--paper-2:#FFFFFF;--paper-3:#F1ECE3;
  --cinnabar:#A83A2B;--cinnabar-d:#8E2F24;
  --bronze:#5C6660;--oat:#C7A87C;
  --line:#DED7C9;--line-strong:#C9C0AE;
  --ok:#4F6B4A;--warn:#B4741F;--err:#8E2F24;
  --r:4px;--r-sm:2px;
  --shadow:0 2px 16px rgba(23,21,15,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --serif:"Noto Serif SC","Songti SC","STSong","SimSun",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--sans);font-size:17px;line-height:1.85;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px}
.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}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:104px 0}
.section + .section{border-top:1px solid var(--line)}
.eyebrow{font-family:var(--serif);font-size:.75rem;letter-spacing:.22em;color:var(--oat);margin-bottom:14px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section-title{font-family:var(--serif);font-weight:600;font-size:clamp(1.9rem,3.4vw,2.6rem);line-height:1.3;letter-spacing:.04em}
.section-sub{margin-top:14px;color:var(--ink-3);font-size:.95rem;max-width:680px;line-height:1.9}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);font-size:.95rem;letter-spacing:.06em;padding:14px 28px;border-radius:var(--r-sm);border:1px solid transparent;background:transparent;cursor:pointer;transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--cinnabar);color:#FBF8F2}
.btn-primary:hover{background:var(--cinnabar-d)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-ghost{border-color:var(--cinnabar);color:var(--cinnabar)}
.btn-ghost:hover{background:var(--cinnabar);color:#FBF8F2}
.btn-sm{padding:9px 20px;font-size:.875rem}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--cinnabar);font-size:.9rem;letter-spacing:.06em;white-space:nowrap;transition:color .16s var(--ease)}
.link-arrow::after{content:"→";transition:transform .24s var(--ease)}
.link-arrow:hover{color:var(--cinnabar-d)}
.link-arrow:hover::after{transform:translateX(4px)}
.badge{display:inline-block;padding:3px 12px;border:1px solid var(--oat);border-radius:999px;background:var(--paper-3);font-size:.75rem;letter-spacing:.08em;color:var(--ink-2);line-height:1.6}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,238,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--cinnabar);border-radius:var(--r-sm);font-family:var(--serif);font-size:.95rem;line-height:1;color:var(--cinnabar);letter-spacing:.02em}
.brand-text{font-family:var(--serif);font-size:1.02rem;font-weight:600;letter-spacing:.06em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:36px}
.nav-link{position:relative;padding:6px 0;font-size:.95rem;letter-spacing:.08em;color:var(--ink-2);transition:color .16s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--cinnabar);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);padding-right:14px}
.nav-link.is-active::after{width:18px}
.nav-link.is-active::before{content:"";position:absolute;right:0;top:calc(50% - 1px);width:3px;height:3px;border-radius:50%;background:var(--cinnabar)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-toggle{display:none;position:relative;width:40px;height:40px;border:0;background:transparent;cursor:pointer}
.nav-toggle span{position:absolute;left:9px;width:22px;height:1px;background:var(--ink);transition:transform .24s var(--ease),opacity .2s var(--ease)}
.nav-toggle span:first-child{top:17px}
.nav-toggle span:last-child{top:23px}
.nav-toggle.is-open span:first-child{transform:translateY(3px) rotate(45deg)}
.nav-toggle.is-open span:last-child{transform:translateY(-3px) rotate(-45deg)}
.drawer{position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;display:flex;flex-direction:column;padding:28px 20px 32px;background:var(--paper);opacity:0;transform:translateY(-8px);pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease);overflow-y:auto}
.drawer.is-open{opacity:1;transform:none;pointer-events:auto}
.drawer-nav{display:flex;flex-direction:column}
.drawer-link{padding:18px 4px;border-bottom:1px solid var(--line);font-family:var(--serif);font-size:1.25rem;letter-spacing:.06em;color:var(--ink-2)}
.drawer-link.is-active{color:var(--cinnabar)}
.drawer-cta{margin-top:28px;width:100%}

/* 首屏 */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--paper)}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:repeating-linear-gradient(90deg,rgba(23,21,15,.035) 0 1px,transparent 1px 64px),repeating-linear-gradient(0deg,rgba(23,21,15,.035) 0 1px,transparent 1px 64px)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:96px 32px 88px}
.hero-title{font-family:var(--serif);font-weight:600;font-size:clamp(2.2rem,4.4vw,3.4rem);line-height:1.25;letter-spacing:.03em}
.hero-sub{margin-top:22px;font-size:1.0625rem;color:var(--ink-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.hero-points{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line);font-size:.875rem;color:var(--ink-3);letter-spacing:.04em}
.hero-points li{position:relative;padding-left:14px}
.hero-points li::before{content:"";position:absolute;left:0;top:.75em;width:4px;height:1px;background:var(--oat)}
.hero-figure{position:relative;margin:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink)}
.hero-figure img{width:100%;height:440px;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:rgba(23,21,15,.3)}
.hero-figure figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:44px 24px 20px;font-size:.8125rem;letter-spacing:.08em;color:#F4F0E8;background:linear-gradient(to top,rgba(23,21,15,.7),rgba(23,21,15,0))}
.hero-num{position:absolute;right:40px;bottom:34px;z-index:3;display:flex;flex-direction:column;align-items:center;gap:14px;font-family:var(--serif);font-size:.78rem;letter-spacing:.34em;color:rgba(247,244,238,.9)}
.hero-num::after{content:"";width:1px;height:48px;background:rgba(247,244,238,.5)}

/* 数据条 */
.stats{border-bottom:1px solid var(--line);background:var(--paper-2)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:44px 24px;border-right:1px solid var(--line);text-align:center}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--serif);font-size:2.35rem;font-weight:600;letter-spacing:.04em;line-height:1.2}
.stat-num small{font-size:1rem;letter-spacing:.06em;color:var(--ink-3);margin-left:2px}
.stat-label{margin-top:8px;font-size:.8125rem;letter-spacing:.12em;color:var(--ink-3)}

/* 权益对照表 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--paper-2)}
table.compare{width:100%;min-width:780px;border-collapse:collapse}
.compare th,.compare td{padding:18px 22px;border-bottom:1px solid var(--line);text-align:left;font-size:.95rem;font-weight:400}
.compare thead th{background:var(--paper-3);font-family:var(--serif);font-weight:600;letter-spacing:.08em;font-size:.95rem;white-space:nowrap}
.compare tbody th{color:var(--ink-2)}
.compare tbody tr:last-child th,.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr:hover{background:rgba(241,236,227,.6)}
.compare .group-row th{padding:12px 22px;background:var(--paper-3);border-bottom:1px solid var(--line);font-family:var(--serif);font-size:.875rem;letter-spacing:.12em;color:var(--ink-2)}
.compare .col-rec{position:relative;border-left:1px solid rgba(168,58,43,.4);border-right:1px solid rgba(168,58,43,.4)}
.compare thead .col-rec::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--cinnabar)}
.tick{display:inline-block;width:13px;height:8px;border-left:1.5px solid var(--bronze);border-bottom:1.5px solid var(--bronze);transform:rotate(-45deg);margin-bottom:3px}
.dash{color:var(--line-strong)}
.table-note{margin-top:16px;font-size:.8125rem;color:var(--ink-3);letter-spacing:.04em}

/* 等级卡 */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:52px}
.tier{position:relative;padding:44px 32px 36px;border:1px solid var(--line);border-radius:var(--r);background:var(--paper-2);transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.tier:nth-child(2){transform:translateY(-24px)}
.tier:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.tier:nth-child(2):hover{transform:translateY(-26px)}
.tier .wm{position:absolute;top:8px;left:18px;font-family:var(--serif);font-size:4.2rem;line-height:1;font-weight:600;color:transparent;-webkit-text-stroke:1px rgba(199,168,124,.55);pointer-events:none;user-select:none}
.tier-name{position:relative;font-family:var(--serif);font-size:1.5rem;font-weight:600;letter-spacing:.08em}
.tier-desc{position:relative;margin-top:10px;font-size:.9rem;color:var(--ink-3);min-height:52px}
.tier-list{position:relative;margin-top:22px;padding-top:22px;border-top:1px solid var(--line)}
.tier-list li{position:relative;padding-left:20px;margin-bottom:12px;font-size:.925rem;color:var(--ink-2)}
.tier-list li::before{content:"";position:absolute;left:0;top:.72em;width:8px;height:1px;background:var(--cinnabar)}
.tier-foot{position:relative;margin-top:26px}

/* 专属内容 */
.feature-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px}
.feature-main,.feature-small{position:relative;display:block;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--ink);transition:border-color .24s var(--ease),transform .24s var(--ease)}
.feature-main:hover,.feature-small:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.feature-main img{width:100%;height:100%;min-height:420px;object-fit:cover;opacity:.72;transition:transform .42s var(--ease)}
.feature-main:hover img{transform:scale(1.02)}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:28px}
.feature-small img{width:100%;height:100%;min-height:196px;object-fit:cover;opacity:.72}
.feature-body{position:absolute;left:0;right:0;bottom:0;padding:70px 28px 26px;color:#F4F0E8;background:linear-gradient(to top,rgba(23,21,15,.88),rgba(23,21,15,0))}
.feature-body h3{font-family:var(--serif);font-size:1.3rem;font-weight:600;line-height:1.45;letter-spacing:.03em}
.feature-small .feature-body{padding:56px 22px 20px}
.feature-small .feature-body h3{font-size:1.05rem}
.feature-body p{margin-top:10px;font-size:.875rem;color:rgba(244,240,232,.82);line-height:1.8}
.feature-tags{position:absolute;top:18px;left:20px;z-index:2;display:flex;align-items:center;gap:10px}
.lock{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border:1px solid rgba(199,168,124,.7);border-radius:999px;background:rgba(23,21,15,.45);font-size:.75rem;letter-spacing:.08em;color:#F4F0E8}
.lock svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.4}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 44px}
.news-card{padding:28px 0;border-bottom:1px solid var(--line);transition:border-color .24s var(--ease)}
.news-card:hover{border-color:var(--line-strong)}
.news-card .badge{margin-bottom:12px}
.news-title{display:block;font-family:var(--serif);font-size:1.15rem;font-weight:600;line-height:1.55;letter-spacing:.02em;color:var(--ink);transition:color .16s var(--ease)}
.news-title:hover{color:var(--cinnabar)}
.news-desc{margin-top:10px;font-size:.9rem;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:16px;font-size:.8125rem;color:var(--ink-3);letter-spacing:.06em}
.empty-tip{padding:32px 0;color:var(--ink-3);font-size:.95rem}

/* 服务支持 */
.support-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.support-item{padding:38px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-2);transition:background-color .24s var(--ease)}
.support-item:hover{background:var(--paper-3)}
.support-icon{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line-strong);border-radius:var(--r-sm);color:var(--bronze);margin-bottom:20px}
.support-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.2;stroke-linecap:round;stroke-linejoin:round}
.support-item h3{font-family:var(--serif);font-size:1.05rem;font-weight:600;letter-spacing:.06em}
.support-item p{margin-top:10px;font-size:.875rem;color:var(--ink-3);line-height:1.85}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;padding:24px 0;border:0;background:transparent;text-align:left;cursor:pointer;font-family:var(--serif);font-size:1.1rem;font-weight:500;letter-spacing:.03em;color:var(--ink);transition:color .16s var(--ease)}
.faq-q:hover{color:var(--cinnabar)}
.faq-sign{position:relative;flex:0 0 14px;width:14px;height:14px;transition:transform .24s var(--ease)}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--ink-2)}
.faq-sign::before{left:0;top:6.5px;width:14px;height:1px}
.faq-sign::after{left:6.5px;top:0;width:1px;height:14px}
.faq-item.is-open .faq-sign{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 60px 24px 0;font-size:.95rem;color:var(--ink-3);line-height:1.9}

/* CTA */
.cta-band{background:var(--ink);color:var(--paper);padding:66px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-title{font-family:var(--serif);font-size:clamp(1.5rem,2.6vw,2rem);font-weight:600;letter-spacing:.04em;line-height:1.4}
.cta-sub{margin-top:14px;font-size:.95rem;color:rgba(247,244,238,.75);max-width:620px}
.cta-band .btn-primary{background:var(--cinnabar);color:#FBF8F2}
.cta-band .btn-outline{border-color:rgba(247,244,238,.5);color:var(--paper)}
.cta-band .btn-outline:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* 页脚 */
.site-footer{background:var(--paper-3);border-top:1px solid var(--line);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{border-color:var(--bronze);color:var(--bronze)}
.footer-about{font-size:.9rem;color:var(--ink-3);max-width:320px;line-height:1.9}
.footer-title{font-family:var(--serif);font-size:.95rem;font-weight:600;letter-spacing:.1em;color:var(--ink);margin-bottom:20px}
.footer-list li{margin-bottom:12px}
.footer-list a{font-size:.9rem;color:var(--ink-3);transition:color .16s var(--ease)}
.footer-list a:hover{color:var(--cinnabar)}
.footer-meta{font-size:.9rem;color:var(--ink-3);line-height:2}
.footer-meta strong{display:block;font-weight:500;color:var(--ink-2);letter-spacing:.04em}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:.75rem;color:var(--ink-3);letter-spacing:.05em}

/* 动效 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 断点 */
@media(max-width:1199px){
  .hero-grid{gap:40px;padding:80px 32px 72px}
  .hero-figure img{height:400px}
  .main-nav{gap:26px}
}
@media(max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:block}
  .site-header .btn-ghost{display:none}
  .hero-grid{grid-template-columns:1fr;padding:64px 32px 60px}
  .hero-figure img{height:340px}
  .hero-num{display:none}
  .section{padding:80px 0}
  .tiers{grid-template-columns:1fr;gap:20px;margin-top:36px}
  .tier:nth-child(2){transform:none}
  .tier:nth-child(2):hover{transform:translateY(-2px)}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{grid-template-rows:none;grid-template-columns:1fr 1fr}
  .support-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .hero-grid{padding:52px 20px 48px}
  .hero-title{font-size:clamp(1.9rem,7vw,2.4rem)}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:60px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:32px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:0}
  .news-grid{grid-template-columns:1fr;gap:0}
  .support-grid{grid-template-columns:1fr}
  .feature-side{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .faq-a p{padding-right:20px}
  .table-wrap{border:0;overflow:visible}
  table.compare{min-width:0;display:block}
  .compare thead{display:none}
  .compare tbody,.compare tr,.compare td,.compare tbody th{display:block;width:100%}
  .compare tr{border:1px solid var(--line);border-radius:var(--r);background:var(--paper-2);margin-bottom:16px;padding:6px 0;overflow:hidden}
  .compare tr:hover{background:var(--paper-2)}
  .compare td,.compare tbody th{border-bottom:0;padding:10px 20px}
  .compare td::before{content:attr(data-label);display:block;font-size:.75rem;letter-spacing:.1em;color:var(--ink-3);margin-bottom:2px}
  .compare tbody th{font-family:var(--serif);font-size:1.05rem;padding-bottom:6px}
  .compare .group-row{margin-bottom:8px;background:var(--paper-3)}
  .compare .group-row th{padding:12px 20px}
  .compare .col-rec{border-left:0;border-right:0}
  .compare thead .col-rec::before{display:none}
}
@media(max-width:520px){
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:0}
  .stat:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .hero-points{gap:16px 22px}
  .brand-text{font-size:.95rem}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.link-arrow::after,.feature-main img,.tier{transition:none}
}

/* roulang page: article */
:root{
  --ink:#17150F;
  --ink-2:#3A352C;
  --ink-3:#6B6355;
  --paper:#F7F4EE;
  --paper-2:#FFFFFF;
  --paper-3:#F1ECE3;
  --cinnabar:#A83A2B;
  --cinnabar-deep:#8E2F24;
  --bronze:#5C6660;
  --oat:#C7A87C;
  --line:#DED7C9;
  --line-strong:#C9C0AE;
  --ok:#4F6B4A;
  --warn:#B4741F;
  --err:#8E2F24;
  --radius:4px;
  --radius-btn:2px;
  --shadow-hover:0 2px 16px rgba(23,21,15,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-serif:"Noto Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--paper);color:var(--ink-2);font-family:var(--font-sans);font-size:17px;line-height:1.85;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
h1,h2,h3,h4{font-family:var(--font-serif);color:var(--ink);font-weight:600;letter-spacing:.04em;line-height:1.28;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(168,58,43,.16)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:var(--paper);padding:10px 18px;z-index:200}
.skip-link:focus{left:12px;top:12px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.section-head h2{font-size:clamp(1.6rem,3vw,2.2rem)}
.link-more{font-size:.9rem;letter-spacing:.06em;color:var(--cinnabar);border-bottom:1px solid transparent;padding-bottom:2px;transition:border-color .24s var(--ease),color .24s var(--ease)}
.link-more:hover{border-color:var(--cinnabar);color:var(--cinnabar-deep)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,238,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(6px);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(23,21,15,.04),0 8px 24px rgba(23,21,15,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border:1px solid var(--cinnabar);border-radius:2px;color:var(--cinnabar);font-family:var(--font-serif);font-size:14px;letter-spacing:.02em;font-weight:600}
.brand-text{font-family:var(--font-serif);font-size:1.0625rem;color:var(--ink);letter-spacing:.05em}
.main-nav{display:flex;align-items:center;gap:36px}
.nav-link{position:relative;font-size:.95rem;letter-spacing:.08em;color:var(--ink-2);padding:6px 0;transition:color .16s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--cinnabar);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:18px}
.nav-link.is-active::before{content:"";position:absolute;right:-11px;top:50%;width:4px;height:4px;border-radius:50%;background:var(--cinnabar);transform:translateY(-50%)}
.header-actions{display:flex;align-items:center;gap:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:.9375rem;letter-spacing:.06em;border-radius:var(--radius-btn);padding:14px 28px;border:1px solid transparent;background:transparent;transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .16s var(--ease)}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px}
.btn-primary{background:var(--cinnabar);color:#FBF8F3}
.btn-primary:hover{background:var(--cinnabar-deep)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-ghost{border:1px solid var(--cinnabar);color:var(--cinnabar);border-radius:999px;padding:9px 22px;font-size:.9rem}
.btn-ghost:hover{background:var(--cinnabar);color:#FBF8F3}
.btn-block{display:flex;width:100%}
.nav-toggle{display:none;position:relative;width:40px;height:40px;border:1px solid var(--line-strong);border-radius:2px;background:transparent}
.nav-toggle span{position:absolute;left:10px;width:18px;height:1px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease)}
.nav-toggle span:first-child{top:16px}
.nav-toggle span:last-child{top:22px}
.mobile-drawer{position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;padding:22px 20px 32px;background:var(--paper);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line-strong);border-radius:2px;background:transparent;position:relative}
.drawer-close::before,.drawer-close::after{content:"";position:absolute;left:11px;top:19px;width:18px;height:1px;background:var(--ink)}
.drawer-close::before{transform:rotate(45deg)}
.drawer-close::after{transform:rotate(-45deg)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px}
.drawer-nav a{font-family:var(--font-serif);font-size:1.35rem;color:var(--ink);padding:18px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;letter-spacing:.05em}
.drawer-nav a::after{content:"";width:6px;height:6px;border-right:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);transform:rotate(-45deg)}
.drawer-nav a.is-active{color:var(--cinnabar)}
.drawer-foot{margin-top:auto;padding-top:28px}
.drawer-foot p{font-size:.8125rem;color:var(--ink-3);margin-bottom:14px}

/* ---------- 面包屑与文章头 ---------- */
.article-head{padding:52px 0 34px;border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.75rem;color:var(--ink-3);margin-bottom:26px;letter-spacing:.04em}
.breadcrumb a{color:var(--ink-3);transition:color .16s var(--ease)}
.breadcrumb a:hover{color:var(--cinnabar)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--ink-2);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.title-rule{display:block;width:40px;height:2px;background:var(--cinnabar);margin-bottom:22px}
.article-title{font-size:clamp(1.85rem,4vw,2.75rem);line-height:1.26;max-width:900px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:24px;font-size:.8125rem;color:var(--ink-3)}
.article-meta .meta-item{position:relative;letter-spacing:.04em}
.article-meta .meta-item+.meta-item::before{content:"";position:absolute;left:-10px;top:50%;width:1px;height:12px;background:var(--line-strong);transform:translateY(-50%)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 12px;border:1px solid var(--oat);background:var(--paper-3);border-radius:999px;font-size:.75rem;letter-spacing:.08em;color:var(--ink-2)}
.badge-lock{border-color:var(--line-strong);background:var(--paper-2);color:var(--ink-3)}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:64px;align-items:start;padding-top:64px;padding-bottom:96px}
.article-body{max-width:760px;font-size:1.0625rem;line-height:1.85;color:var(--ink-2)}
.article-body>p:first-child{font-size:1.15rem;color:var(--ink)}
.article-body p{margin:0 0 1.4em}
.article-body h2{position:relative;font-size:1.55rem;margin:2.4em 0 .9em;padding-top:1.4em;border-top:1px solid var(--line)}
.article-body h2::before{content:"";position:absolute;left:0;top:-1px;width:40px;height:2px;background:var(--cinnabar)}
.article-body h3{font-size:1.2rem;margin:1.8em 0 .7em}
.article-body h4{font-size:1.05rem;margin:1.5em 0 .6em;color:var(--ink-2)}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.2em}
.article-body ul li{position:relative;padding-left:.9em;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:4px;height:4px;border-radius:50%;background:var(--oat)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.5em;padding-left:.2em}
.article-body ol li::marker{color:var(--cinnabar);font-family:var(--font-serif)}
.article-body blockquote{margin:1.6em 0;padding:18px 24px;border-left:2px solid var(--oat);background:var(--paper-3);border-radius:0 var(--radius) var(--radius) 0;color:var(--ink-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--cinnabar);border-bottom:1px solid rgba(168,58,43,.35);transition:border-color .16s var(--ease),color .16s var(--ease)}
.article-body a:hover{color:var(--cinnabar-deep);border-color:var(--cinnabar-deep)}
.article-body strong{color:var(--ink);font-weight:600}
.article-body img{margin:1.8em auto;border:1px solid var(--line)}
.article-body figure{margin:1.8em 0}
.article-body figure img{margin-bottom:10px}
.article-body figcaption{font-size:.875rem;color:var(--ink-3);text-align:center}
.article-body table{width:100%;margin:1.6em 0;font-size:.95rem;border:1px solid var(--line)}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--paper-3);font-family:var(--font-serif);font-weight:600;color:var(--ink)}
.article-body pre{margin:1.6em 0;padding:18px;background:var(--paper-3);border:1px solid var(--line);border-radius:var(--radius);overflow:auto;font-size:.875rem;line-height:1.7}
.article-body code{font-family:Consolas,Monaco,monospace;font-size:.9em}
.empty-state{padding:56px 32px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper-2);text-align:center}
.empty-state h2{font-size:1.5rem;margin-bottom:14px}
.empty-state p{color:var(--ink-3);margin-bottom:24px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px}
.side-title{font-size:1rem;padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.side-list li+li{margin-top:12px}
.side-list a{display:block;font-size:.9rem;line-height:1.62;color:var(--ink-2);transition:color .16s var(--ease)}
.side-list a:hover{color:var(--cinnabar)}
.side-toc a{position:relative;padding-left:16px}
.side-toc a::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:1px;background:var(--line-strong);transition:background-color .16s var(--ease),width .16s var(--ease)}
.side-toc a:hover::before{background:var(--cinnabar);width:10px}
.side-cta{background:var(--paper-3)}
.side-cta p{font-size:.875rem;color:var(--ink-2);margin-bottom:16px;line-height:1.75}

/* ---------- 标签与上下篇 ---------- */
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:56px;padding-top:26px;border-top:1px solid var(--line)}
.tag-label{font-size:.8125rem;color:var(--ink-3);letter-spacing:.1em;margin-right:4px}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border:1px solid var(--line-strong);border-radius:999px;font-size:.8125rem;color:var(--ink-2);transition:border-color .16s var(--ease),color .16s var(--ease)}
.tag:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;margin-top:32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.post-nav-item{display:block;padding:22px 4px;transition:background-color .16s var(--ease)}
.post-nav-item.next{text-align:right;border-left:1px solid var(--line);padding-right:4px}
.post-nav-item:hover{background:var(--paper-3)}
.pn-label{display:block;font-size:.75rem;letter-spacing:.12em;color:var(--ink-3);margin-bottom:8px}
.pn-title{font-family:var(--font-serif);font-size:1rem;color:var(--ink);line-height:1.5}
.post-nav-item:hover .pn-title{color:var(--cinnabar)}

/* ---------- 卡片 ---------- */
.card-grid{display:grid;gap:24px}
.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}
.card{display:flex;flex-direction:column;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--paper-3)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.card-lock{position:absolute;right:12px;top:12px}
.card-body{display:flex;flex-direction:column;gap:10px;padding:20px 22px 22px;flex:1}
.card-body h3{font-size:1.1rem;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:.925rem;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:.8125rem;color:var(--ink-3)}
.card-link{font-size:.8125rem;color:var(--cinnabar);letter-spacing:.06em;white-space:nowrap}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;background:none;border:0;text-align:left;font-family:var(--font-serif);font-size:1.0625rem;color:var(--ink);letter-spacing:.03em;transition:color .16s var(--ease)}
.faq-q:hover{color:var(--cinnabar)}
.faq-q:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px}
.faq-icon{position:relative;flex:0 0 14px;width:14px;height:14px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink-3);transition:transform .24s var(--ease),background-color .16s var(--ease)}
.faq-icon::before{left:0;top:6.5px;width:14px;height:1px}
.faq-icon::after{left:6.5px;top:0;width:1px;height:14px}
.faq-item.is-open .faq-icon::before{transform:rotate(45deg);background:var(--cinnabar)}
.faq-item.is-open .faq-icon::after{transform:rotate(-45deg);background:var(--cinnabar)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a p{padding:0 0 24px;max-width:840px;font-size:.9375rem;color:var(--ink-3)}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--ink);padding:72px 0}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-band h2{color:var(--paper);font-size:clamp(1.5rem,2.6vw,2.05rem)}
.cta-band p{margin-top:12px;max-width:600px;font-size:.9375rem;color:rgba(247,244,238,.72)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-outline{border-color:rgba(247,244,238,.55);color:var(--paper)}
.cta-band .btn-outline:hover{background:var(--paper);color:var(--ink);border-color:var(--paper)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;padding:72px 0 0;background:var(--paper-3);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-title{font-size:.9375rem;margin-bottom:16px}
.footer-list li+li{margin-top:10px}
.footer-list a{font-size:.875rem;color:var(--ink-3);transition:color .16s var(--ease)}
.footer-list a:hover{color:var(--cinnabar)}
.footer-about{max-width:330px;font-size:.875rem;line-height:1.8;color:var(--ink-3)}
.footer-meta{display:flex;flex-direction:column;gap:6px;font-size:.875rem;color:var(--ink-3)}
.footer-meta strong{font-weight:500;color:var(--ink-2)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);font-size:.75rem;color:var(--ink-3);letter-spacing:.04em}

/* ---------- 入场动效 ---------- */
.js .reveal{opacity:0;transform:translateY(8px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:48px}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-side .side-cta{grid-column:1 / -1}
}
@media (max-width:991px){
  .main-nav{display:none}
  .nav-toggle{display:block}
  .header-actions .btn-ghost{display:none}
  .container{padding:0 24px}
  .section{padding:72px 0}
  .card-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-layout{padding-top:48px;padding-bottom:72px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .article-head{padding:36px 0 26px}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .card-grid.three{grid-template-columns:1fr}
  .article-side{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left;border-left:0;border-top:1px solid var(--line)}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr}
  .section-head{align-items:flex-start;flex-direction:column}
}
@media (max-width:480px){
  .article-title{font-size:1.6rem}
  .article-meta{gap:14px}
  .article-meta .meta-item+.meta-item::before{display:none}
  .empty-state{padding:40px 20px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}

/* roulang page: category1 */
:root{
  --ink:#17150F;
  --ink-2:#3A352C;
  --ink-3:#6B6355;
  --paper:#F7F4EE;
  --paper-2:#FFFFFF;
  --paper-3:#F1ECE3;
  --cinnabar:#A83A2B;
  --cinnabar-dark:#8E2F24;
  --bronze:#5C6660;
  --oat:#C7A87C;
  --line:#DED7C9;
  --line-strong:#C9C0AE;
  --ok:#4F6B4A;
  --warn:#B4741F;
  --err:#8E2F24;
  --radius:4px;
  --radius-sm:2px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --shadow-hover:0 2px 16px rgba(23,21,15,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:.04em;line-height:1.3;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;
  font-family:var(--serif);
  font-size:.8125rem;
  letter-spacing:.18em;
  color:var(--cinnabar);
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);}
.section-head p{margin-top:16px;color:var(--ink-3);font-size:1.0625rem;}
.rule{height:1px;background:var(--line);border:0;margin:0;}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,238,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:height .24s var(--ease),box-shadow .24s var(--ease);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  font-family:var(--serif);
  font-size:.9rem;
  letter-spacing:.04em;
  color:var(--paper);
  background:var(--ink);
  border-radius:var(--radius-sm);
  flex:0 0 auto;
}
.brand-text{
  font-family:var(--serif);
  font-size:1.0625rem;
  letter-spacing:.06em;
  color:var(--ink);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:36px;}
.nav-link{
  position:relative;
  font-size:.95rem;
  letter-spacing:.08em;
  color:var(--ink-2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:1px;
  background:var(--cinnabar);
  transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:18px;}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  right:-12px;
  top:50%;
  width:4px;
  height:4px;
  margin-top:-2px;
  border-radius:50%;
  background:var(--cinnabar);
}
.header-actions{display:flex;align-items:center;gap:16px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:var(--radius-sm);
  font-size:.95rem;
  letter-spacing:.08em;
  border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.btn-primary{background:var(--cinnabar);color:var(--paper-2);}
.btn-primary:hover{background:var(--cinnabar-dark);transform:translateY(-1px);}
.btn-outline{border-color:var(--cinnabar);color:var(--cinnabar);background:transparent;}
.btn-outline:hover{background:var(--cinnabar);color:var(--paper-2);}
.btn-ink{border-color:var(--ink);color:var(--ink);}
.btn-ink:hover{background:var(--ink);color:var(--paper);}
.btn-light{border-color:var(--oat);color:var(--paper);}
.btn-light:hover{background:var(--oat);color:var(--ink);}
.btn-sm{padding:10px 20px;font-size:.875rem;}
.btn:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:3px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.9375rem;
  color:var(--cinnabar);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.text-link:hover{border-color:var(--cinnabar);gap:10px;}

/* 移动导航 */
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.nav-toggle span{
  position:absolute;
  left:11px;
  right:11px;
  height:1px;
  background:var(--ink);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle span:first-child{top:16px;}
.nav-toggle span:last-child{top:23px;}
.nav-toggle.is-open span:first-child{transform:translateY(3.5px) rotate(45deg);}
.nav-toggle.is-open span:last-child{transform:translateY(-3.5px) rotate(-45deg);}
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:55;
  background:rgba(247,244,238,.99);
  padding:110px 32px 40px;
  display:flex;
  flex-direction:column;
  gap:0;
  opacity:0;
  visibility:hidden;
  transition:opacity .2s var(--ease),visibility .2s var(--ease);
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.mobile-drawer a.drawer-link{
  font-family:var(--serif);
  font-size:1.5rem;
  letter-spacing:.06em;
  padding:20px 0;
  border-bottom:1px solid var(--line);
  color:var(--ink);
  display:block;
}
.mobile-drawer a.drawer-link.is-active{color:var(--cinnabar);}
.mobile-drawer .drawer-cta{margin-top:32px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* 页头横幅 */
.page-hero{
  position:relative;
  min-height:280px;
  display:flex;
  align-items:flex-end;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  filter:grayscale(12%);
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,21,15,.30),rgba(23,21,15,.62));
}
.page-hero-inner{
  position:relative;
  z-index:2;
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:64px 32px 44px;
  color:var(--paper);
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  letter-spacing:.08em;
  color:rgba(247,244,238,.78);
  margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--paper);}
.breadcrumb .sep{color:rgba(247,244,238,.5);}
.page-hero h1{
  font-size:clamp(2.1rem,4.6vw,3.2rem);
  color:var(--paper);
  max-width:900px;
}
.page-hero-lead{
  margin-top:18px;
  max-width:720px;
  font-size:1.0625rem;
  color:rgba(247,244,238,.88);
}
.page-hero-meta{
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid rgba(247,244,238,.28);
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  font-size:.8125rem;
  letter-spacing:.1em;
  color:rgba(247,244,238,.75);
}

/* 数据条 */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);
  background:var(--paper-2);
  border-radius:var(--radius);
}
.stat{
  padding:28px 24px;
  border-right:1px solid var(--line);
}
.stat:last-child{border-right:0;}
.stat .num{
  font-family:var(--serif);
  font-size:clamp(1.7rem,3vw,2.2rem);
  letter-spacing:.06em;
  color:var(--ink);
  display:block;
  line-height:1.2;
}
.stat .num em{font-style:normal;font-size:.9rem;color:var(--cinnabar);margin-left:2px;}
.stat .label{
  display:block;
  margin-top:10px;
  font-size:.8125rem;
  letter-spacing:.12em;
  color:var(--ink-3);
}

/* 时间轴 */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";
  position:absolute;
  left:104px;
  top:10px;
  bottom:10px;
  width:1px;
  background:var(--line);
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:104px 1fr;
  padding-bottom:56px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:98px;
  top:12px;
  width:11px;
  height:11px;
  border-radius:50%;
  background:var(--paper-2);
  border:2px solid var(--cinnabar);
  z-index:2;
}
.tl-year{
  font-family:var(--serif);
  font-size:1.0625rem;
  letter-spacing:.12em;
  color:var(--ink-3);
  padding-right:32px;
  text-align:right;
  padding-top:2px;
}
.tl-body{padding-left:40px;}
.tl-body h3{font-size:1.35rem;}
.tl-body p{margin-top:12px;color:var(--ink-2);max-width:760px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--ink-2);
  background:var(--paper-3);
  border:1px solid var(--oat);
  border-radius:999px;
  white-space:nowrap;
}
.badge.solid{background:var(--paper-2);border-color:var(--line-strong);color:var(--ink-3);}
.tl-figure{
  margin-top:22px;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  max-width:560px;
  background:var(--paper-2);
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.tl-figure figcaption{
  padding:12px 16px;
  font-size:.8125rem;
  color:var(--ink-3);
  border-top:1px solid var(--line);
}

/* 图文双栏 */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split + .split{margin-top:80px;}
.split.reverse .split-media{order:2;}
.split-media{
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--paper-2);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;}
.split-body h3{font-size:clamp(1.4rem,2.4vw,1.75rem);}
.split-body p{margin-top:16px;color:var(--ink-2);}
.checklist{margin-top:22px;display:grid;gap:12px;}
.checklist li{
  position:relative;
  padding-left:24px;
  color:var(--ink-2);
  font-size:.9375rem;
}
.checklist li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:9px;
  height:5px;
  border-left:1px solid var(--bronze);
  border-bottom:1px solid var(--bronze);
  transform:rotate(-45deg);
}

/* 内容列表 */
.list-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:32px;
}
.post-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.post-card{
  border:1px solid var(--line);
  background:var(--paper-2);
  border-radius:var(--radius);
  padding:26px 24px;
  display:flex;
  flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.post-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover);}
.post-card h3{font-size:1.15rem;line-height:1.5;}
.post-card .excerpt{
  margin-top:12px;
  color:var(--ink-3);
  font-size:.9375rem;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  display:flex;
  align-items:center;
  gap:14px;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:.8125rem;
  color:var(--ink-3);
  letter-spacing:.06em;
}
.post-meta .text-link{margin-left:auto;font-size:.8125rem;}
.empty-state{
  border:1px dashed var(--line-strong);
  border-radius:var(--radius);
  padding:38px 24px;
  text-align:center;
  color:var(--ink-3);
  font-size:.9375rem;
}

/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:24px 0;
  font-family:var(--serif);
  font-size:1.1rem;
  letter-spacing:.04em;
  color:var(--ink);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--cinnabar);}
.faq-icon{
  position:relative;
  width:16px;
  height:16px;
  flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-3);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-icon::before{left:0;right:0;top:7.5px;height:1px;}
.faq-icon::after{top:0;bottom:0;left:7.5px;width:1px;}
.faq-item.is-open .faq-icon::before{background:var(--cinnabar);}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);background:var(--cinnabar);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a-inner{padding:0 40px 26px 0;color:var(--ink-2);font-size:.9375rem;}

/* CTA */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  border-radius:var(--radius);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:clamp(1.6rem,2.8vw,2.1rem);}
.cta-band p{margin-top:14px;color:rgba(247,244,238,.75);max-width:640px;font-size:.9375rem;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{
  background:var(--paper-3);
  border-top:1px solid var(--line);
  padding:72px 0 28px;
  margin-top:104px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-about{color:var(--ink-3);font-size:.9375rem;max-width:340px;}
.footer-title{
  font-size:.95rem;
  letter-spacing:.1em;
  margin-bottom:18px;
  color:var(--ink);
  font-weight:600;
}
.footer-list li{margin-bottom:12px;}
.footer-list a{
  font-size:.9375rem;
  color:var(--ink-3);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer-list a:hover{color:var(--cinnabar);border-color:var(--cinnabar);}
.footer-meta{
  display:flex;
  flex-direction:column;
  color:var(--ink-3);
  font-size:.9375rem;
  line-height:1.7;
}
.footer-meta strong{
  display:block;
  color:var(--ink-2);
  font-weight:500;
  font-size:.8125rem;
  letter-spacing:.1em;
}
.footer-bottom{
  margin-top:56px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:.75rem;
  color:var(--ink-3);
  letter-spacing:.06em;
}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* 断点 */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .main-nav{gap:26px;}
  .split{gap:40px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn{display:none;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero{min-height:340px;}
  .page-hero-inner{padding:48px 20px 36px;}
  .post-grid{grid-template-columns:1fr;}
  .timeline::before{left:6px;}
  .tl-item{grid-template-columns:1fr;padding-bottom:44px;}
  .tl-item::before{left:1px;top:8px;}
  .tl-year{text-align:left;padding:0 0 8px 28px;}
  .tl-body{padding-left:28px;}
  .tl-figure{max-width:100%;}
  .cta-band{padding:36px 24px;}
  .faq-a-inner{padding-right:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px solid var(--line);}
  .stat:last-child{border-bottom:0;}
  .page-hero h1{font-size:1.85rem;}
  .brand-text{font-size:.95rem;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{transition-duration:.01ms !important;}
}

/* roulang page: category2 */
:root{
  --ink:#17150F;
  --ink-2:#3A352C;
  --ink-3:#6B6355;
  --paper:#F7F4EE;
  --paper-2:#FFFFFF;
  --paper-3:#F1ECE3;
  --cinnabar:#A83A2B;
  --bronze:#5C6660;
  --oat:#C7A87C;
  --line:#DED7C9;
  --line-strong:#C9C0AE;
  --ok:#4F6B4A;
  --warn:#B4741F;
  --err:#8E2F24;
  --radius:4px;
  --radius-sm:2px;
  --shadow-hover:0 2px 16px rgba(23,21,15,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --maxw:1200px;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:1.0625rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{
  font-family:var(--serif);
  font-weight:600;
  letter-spacing:.04em;
  line-height:1.3;
  color:var(--ink);
  margin:0;
}
h1{font-size:clamp(2.1rem,4.6vw,3.1rem);line-height:1.18;letter-spacing:.05em;}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);}
h3{font-size:1.3rem;letter-spacing:.03em;}
p{margin:0 0 1em;}
a{color:inherit;text-decoration:none;transition:color 240ms var(--ease);}
a:hover{color:var(--cinnabar);}
img{max-width:100%;display:block;border-radius:var(--radius);border:1px solid var(--line);}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px;}
::selection{background:rgba(168,58,43,.14);}

.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper3{background:var(--paper-3);}
.section--plain{background:var(--paper-2);}

.eyebrow{
  font-family:var(--serif);
  font-size:.8125rem;
  letter-spacing:.22em;
  color:var(--cinnabar);
  text-transform:uppercase;
  margin:0 0 14px;
}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head p{color:var(--ink-3);margin:16px 0 0;font-size:1rem;}
.section-head--split{
  max-width:none;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,244,238,.96);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:height 240ms var(--ease);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--header-h);
  transition:height 240ms var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border:1px solid var(--cinnabar);
  border-radius:var(--radius-sm);
  color:var(--cinnabar);
  font-family:var(--serif);
  font-size:.8125rem;
  letter-spacing:.08em;
  background:rgba(168,58,43,.04);
}
.brand-text{
  font-family:var(--serif);
  font-size:1.0625rem;
  letter-spacing:.06em;
  color:var(--ink);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:34px;}
.nav-link{
  position:relative;
  font-size:.95rem;
  letter-spacing:.08em;
  color:var(--ink-2);
  padding:4px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:1px;
  background:var(--cinnabar);
  transition:width 240ms var(--ease);
}
.nav-link:hover::after{width:100%;}
.nav-link:hover{color:var(--ink);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{width:18px;}
.nav-link.is-active::before{
  content:"";
  position:absolute;
  right:-9px;top:50%;
  width:2px;height:2px;
  border-radius:50%;
  background:var(--cinnabar);
  transform:translateY(-50%);
}
.header-actions{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;
  width:38px;height:38px;
  padding:0;
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);
  position:relative;
}
.nav-toggle span{
  position:absolute;left:9px;right:9px;
  height:1px;background:var(--ink);
  transition:transform 240ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle span:first-child{top:15px;}
.nav-toggle span:last-child{bottom:15px;}
body.nav-open .nav-toggle span:first-child{transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:last-child{transform:translateY(-7px) rotate(-45deg);}
.drawer-cta{display:none;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  font-size:.9375rem;
  letter-spacing:.08em;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  transition:background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease),transform 160ms var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--cinnabar);color:#FBF8F3;border-color:var(--cinnabar);}
.btn-primary:hover{background:#93302442;background:#933024;color:#FBF8F3;transform:translateX(1px);}
.btn-ghost{
  background:transparent;
  color:var(--cinnabar);
  border-color:var(--cinnabar);
  border-radius:999px;
  padding:9px 20px;
  font-size:.875rem;
}
.btn-ghost:hover{background:var(--cinnabar);color:#FBF8F3;}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border-color:var(--ink);
}
.btn-outline:hover{border-color:var(--cinnabar);color:var(--cinnabar);}
.btn-on-dark{
  background:var(--paper);
  color:var(--ink);
  border-color:var(--paper);
}
.btn-on-dark:hover{background:#EDE8DE;color:var(--ink);transform:translateX(1px);}
.btn-outline-light{
  background:transparent;
  color:var(--paper);
  border-color:rgba(247,244,238,.5);
}
.btn-outline-light:hover{border-color:var(--paper);color:var(--paper);}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.9rem;
  letter-spacing:.06em;
  color:var(--cinnabar);
  border-bottom:1px solid rgba(168,58,43,.35);
  padding-bottom:2px;
  transition:gap 240ms var(--ease),border-color 240ms var(--ease);
}
.link-arrow:hover{gap:11px;border-color:var(--cinnabar);}

/* ===== 页头 ===== */
.page-hero{
  position:relative;
  background-color:var(--paper-3);
  background-image:
    repeating-linear-gradient(0deg,rgba(23,21,15,.032) 0 1px,transparent 1px 28px),
    repeating-linear-gradient(90deg,rgba(23,21,15,.032) 0 1px,transparent 1px 28px);
  border-bottom:1px solid var(--line);
  padding:54px 0 56px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-60px;top:-40px;
  width:260px;height:260px;
  border:1px solid rgba(168,58,43,.16);
  border-radius:50%;
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--ink-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-3);}
.breadcrumb a:hover{color:var(--cinnabar);}
.breadcrumb span.sep{color:var(--line-strong);}
.page-hero h1{margin:0 0 18px;max-width:880px;}
.hero-rule{
  width:40px;height:1px;
  background:var(--cinnabar);
  margin:0 0 20px;
}
.page-hero .lead{
  max-width:660px;
  color:var(--ink-2);
  font-size:1.0625rem;
  margin:0;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border:1px solid var(--oat);
  border-radius:999px;
  background:var(--paper-3);
  font-size:.75rem;
  letter-spacing:.08em;
  color:var(--ink-2);
}
.badge--cinnabar{border-color:rgba(168,58,43,.45);color:var(--cinnabar);background:rgba(168,58,43,.05);}

/* ===== 数据条 ===== */
.stats{
  border-bottom:1px solid var(--line);
  background:var(--paper);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:30px 26px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;}
.stat-num{
  font-family:var(--serif);
  font-size:2.05rem;
  letter-spacing:.1em;
  line-height:1.2;
  color:var(--ink);
  display:block;
}
.stat-num small{font-size:1rem;letter-spacing:.08em;color:var(--ink-3);margin-left:4px;}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:.75rem;
  letter-spacing:.16em;
  color:var(--ink-3);
}

/* ===== 权益对照表 ===== */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--paper-2);
  overflow:hidden;
}
.benefit-table{
  width:100%;
  border-collapse:collapse;
  font-size:.9375rem;
}
.benefit-table thead th{
  position:sticky;
  top:60px;
  z-index:3;
  background:var(--paper-2);
  font-family:var(--serif);
  font-size:1rem;
  font-weight:600;
  letter-spacing:.06em;
  text-align:left;
  padding:18px 20px;
  border-bottom:1px solid var(--line-strong);
}
.benefit-table thead th:first-child{
  font-family:var(--sans);
  font-size:.8125rem;
  font-weight:400;
  letter-spacing:.14em;
  color:var(--ink-3);
}
.benefit-table td{
  padding:15px 20px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
  color:var(--ink-2);
}
.benefit-table td:first-child{color:var(--ink);}
.benefit-table tr:last-child td{border-bottom:none;}
.group-row th{
  background:var(--paper-3);
  font-family:var(--sans);
  font-size:.8125rem;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--ink-2);
  padding:11px 20px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.recommended-col{
  background:rgba(168,58,43,.035);
  border-left:1px solid rgba(168,58,43,.26);
  border-right:1px solid rgba(168,58,43,.26);
}
th.recommended-col{box-shadow:inset 0 3px 0 var(--cinnabar);}
.rec-tag{
  display:inline-block;
  margin-left:8px;
  padding:1px 8px;
  border-radius:999px;
  border:1px solid rgba(168,58,43,.45);
  color:var(--cinnabar);
  font-family:var(--sans);
  font-size:.6875rem;
  letter-spacing:.1em;
  vertical-align:1px;
}
.check{
  display:inline-block;
  width:10px;height:6px;
  border-left:1.5px solid var(--bronze);
  border-bottom:1.5px solid var(--bronze);
  transform:rotate(-45deg) translate(-1px,-2px);
  margin-right:8px;
}
.dash{
  display:inline-block;
  width:12px;height:1px;
  background:var(--line-strong);
  vertical-align:4px;
}
.table-note{
  margin:18px 0 0;
  font-size:.8125rem;
  color:var(--ink-3);
  letter-spacing:.02em;
}

/* ===== 等级阶梯卡 ===== */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  align-items:start;
  padding-top:34px;
}
.tier-card{
  position:relative;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),border-color 240ms var(--ease);
}
.tier-card:nth-child(2){transform:translateY(-18px);}
.tier-card:nth-child(3){transform:translateY(-36px);}
.tier-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow-hover);
}
.tier-card:nth-child(2):hover{transform:translateY(-22px);}
.tier-card:nth-child(3):hover{transform:translateY(-40px);}
.tier-card.is-featured{border-color:rgba(168,58,43,.4);}
.tier-card.is-featured::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--cinnabar);
}
.tier-media{position:relative;}
.tier-media img{width:100%;height:170px;object-fit:cover;border:none;border-radius:0;}
.tier-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(23,21,15,.05),rgba(23,21,15,.35));
}
.tier-badge{
  position:absolute;
  top:14px;left:14px;
  z-index:2;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(247,244,238,.94);
  border:1px solid var(--line-strong);
  font-size:.75rem;
  letter-spacing:.12em;
  color:var(--ink-2);
}
.tier-card.is-featured .tier-badge{border-color:rgba(168,58,43,.5);color:var(--cinnabar);}
.tier-body{padding:26px 24px 28px;}
.tier-body h3{margin-bottom:10px;}
.tier-desc{
  font-size:.9375rem;
  color:var(--ink-3);
  margin:0 0 18px;
  min-height:56px;
}
.tier-list li{
  position:relative;
  padding-left:18px;
  margin-bottom:11px;
  font-size:.9375rem;
  color:var(--ink-2);
  line-height:1.7;
}
.tier-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:1px;
  background:var(--cinnabar);
}
.tier-foot{
  margin-top:22px;
  padding-top:18px;
  border-top:1px solid var(--line);
}

/* ===== 图文板块 ===== */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:center;
}
.split-media img{width:100%;height:380px;object-fit:cover;}
.split-body h2{margin-bottom:18px;}
.split-body p{color:var(--ink-2);}
.split-list{margin-top:24px;}
.split-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-top:1px solid var(--line);
}
.split-list li:last-child{border-bottom:1px solid var(--line);}
.split-list strong{
  font-family:var(--serif);
  font-size:1.0625rem;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--ink);
  flex:0 0 118px;
}
.split-list span{font-size:.9375rem;color:var(--ink-3);}

/* ===== 流程编号 ===== */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
}
.step{
  padding:34px 26px 30px;
  border-left:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background 240ms var(--ease);
}
.step:first-child{border-left:none;}
.step:hover{background:var(--paper-2);}
.step-num{
  font-family:var(--serif);
  font-size:1.75rem;
  letter-spacing:.12em;
  color:var(--cinnabar);
  display:block;
  margin-bottom:16px;
}
.step h3{font-size:1.125rem;margin-bottom:10px;}
.step p{font-size:.9375rem;color:var(--ink-3);margin:0;}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:24px 0;
  background:transparent;
  border:none;
  text-align:left;
  font-family:var(--serif);
  font-size:1.125rem;
  letter-spacing:.04em;
  color:var(--ink);
  transition:color 240ms var(--ease);
}
.faq-q:hover{color:var(--cinnabar);}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  height:16px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink-3);
  transition:transform 240ms var(--ease),background 240ms var(--ease);
}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1px;}
.faq-icon::after{left:7.5px;top:0;width:1px;height:16px;}
.faq-item.is-open .faq-icon::before{background:var(--cinnabar);}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);background:var(--cinnabar);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 240ms var(--ease);
}
.faq-a p{
  margin:0 0 24px;
  max-width:760px;
  color:var(--ink-2);
  font-size:.9688rem;
}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===== CTA ===== */
.cta-band{
  position:relative;
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(23,21,15,.94),rgba(23,21,15,.78)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:var(--paper);
  padding:66px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-band h2{color:var(--paper);font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:12px;}
.cta-band p{color:rgba(247,244,238,.72);margin:0;font-size:.9688rem;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--paper);
  border-top:1px solid var(--line);
  padding-top:66px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:.75rem;}
.footer-brand .brand-text{font-family:var(--serif);font-size:1.0625rem;letter-spacing:.06em;}
.footer-about{
  font-size:.875rem;
  color:var(--ink-3);
  line-height:1.9;
  margin:0;
  max-width:330px;
}
.footer-title{
  font-family:var(--serif);
  font-size:.9375rem;
  letter-spacing:.12em;
  margin:0 0 18px;
  color:var(--ink);
}
.footer-list li{margin-bottom:11px;}
.footer-list a{font-size:.875rem;color:var(--ink-3);}
.footer-list a:hover{color:var(--cinnabar);}
.footer-meta{
  font-size:.875rem;
  color:var(--ink-3);
  line-height:1.8;
  margin:0;
}
.footer-meta strong{
  display:block;
  font-weight:500;
  color:var(--ink-2);
  font-size:.75rem;
  letter-spacing:.14em;
  margin-bottom:2px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--ink-3);
}

/* ===== 入场动效 ===== */
.reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity 420ms var(--ease),transform 420ms var(--ease);
}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{scroll-behavior:auto !important;}
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .main-nav{gap:24px;}
  .split{gap:38px;}
}
@media (max-width:991px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-toggle{display:block;}
  .header-actions .nav-cta{display:none;}
  .main-nav{
    position:fixed;
    top:0;left:0;right:0;bottom:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    padding:96px 24px 40px;
    background:var(--paper);
    border-left:1px solid var(--line);
    opacity:0;
    pointer-events:none;
    transform:translateY(-10px);
    transition:opacity 200ms var(--ease),transform 240ms var(--ease);
    overflow-y:auto;
    z-index:70;
  }
  body.nav-open .main-nav{opacity:1;pointer-events:auto;transform:none;}
  body.nav-open{overflow:hidden;}
  .nav-link{
    width:100%;
    padding:20px 0;
    font-family:var(--serif);
    font-size:1.5rem;
    letter-spacing:.08em;
    border-bottom:1px solid var(--line);
    color:var(--ink);
  }
  .nav-link::after{display:none;}
  .nav-link.is-active::before{display:none;}
  .nav-link.is-active{color:var(--cinnabar);}
  .drawer-cta{
    display:inline-flex;
    margin-top:32px;
    width:100%;
    justify-content:center;
    padding:16px 24px;
    background:var(--cinnabar);
    color:#FBF8F3;
    border-radius:var(--radius-sm);
    letter-spacing:.1em;
  }
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:none;}
  .stat:nth-child(n+3){border-top:1px solid var(--line);}
  .tier-grid{grid-template-columns:1fr;padding-top:0;gap:22px;}
  .tier-card:nth-child(2),
  .tier-card:nth-child(3){transform:none;}
  .tier-card:nth-child(2):hover,
  .tier-card:nth-child(3):hover{transform:translateY(-4px);}
  .split{grid-template-columns:1fr;gap:32px;}
  .split-media img{height:300px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step:nth-child(3){border-left:none;}
  .step:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .benefit-table thead th{top:60px;}
}
@media (max-width:767px){
  body{font-size:1rem;line-height:1.8;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .page-hero{padding:38px 0 42px;}
  .page-hero::after{display:none;}
  .brand-text{font-size:.9375rem;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stat{padding:22px 18px;}
  .stat-num{font-size:1.6rem;}
  .benefit-table thead{display:none;}
  .benefit-table,
  .benefit-table tbody,
  .benefit-table tr,
  .benefit-table td{display:block;width:100%;}
  .table-wrap{background:transparent;border:none;border-radius:0;}
  .benefit-table tr{
    background:var(--paper-2);
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:6px 16px;
    margin-bottom:12px;
  }
  .benefit-table tr.group-row{
    background:var(--paper-3);
    padding:0 16px;
    border-color:var(--line);
    margin-bottom:14px;
  }
  .benefit-table td{
    display:flex;
    justify-content:space-between;
    align-items:baseline;
    gap:18px;
    padding:11px 0;
    border-bottom:1px dashed var(--line);
    font-size:.9375rem;
  }
  .benefit-table td:last-child{border-bottom:none;}
  .benefit-table td::before{
    content:attr(data-label);
    flex:0 0 78px;
    font-size:.8125rem;
    letter-spacing:.08em;
    color:var(--ink-3);
  }
  .benefit-table td:first-child{
    display:block;
    font-weight:500;
    padding-top:14px;
    padding-bottom:8px;
    border-bottom:1px solid var(--line);
  }
  .benefit-table td:first-child::before{display:none;}
  .recommended-col{background:transparent;border-left:none;border-right:none;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:none !important;padding:26px 0;}
  .step:first-child{border-top:none;}
  .split-media img{height:230px;}
  .split-list li{flex-direction:column;gap:6px;}
  .split-list strong{flex:none;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:480px){
  h1{font-size:1.9rem;}
  .hero-tags{gap:8px;}
  .badge{font-size:.6875rem;}
  .stat-num{font-size:1.45rem;}
  .btn{padding:12px 20px;font-size:.875rem;}
}

/* roulang page: category4 */
:root{
  --ink:#17150F;
  --ink-2:#3A352C;
  --ink-3:#6B6355;
  --paper:#F7F4EE;
  --paper-2:#FFFFFF;
  --paper-3:#F1ECE3;
  --cinnabar:#A83A2B;
  --bronze:#5C6660;
  --oat:#C7A87C;
  --line:#DED7C9;
  --line-strong:#C9C0AE;
  --success:#4F6B4A;
  --warn:#B4741F;
  --error:#8E2F24;
  --radius:4px;
  --radius-sm:2px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:var(--ink);text-decoration:none;transition:color .16s var(--ease)}
a:hover{color:var(--cinnabar)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.04em;color:var(--ink);margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:104px 0}
.section-sm{padding:72px 0}
.section-title{font-size:clamp(1.9rem,3.4vw,2.6rem);line-height:1.3;margin-bottom:16px}
.section-sub{color:var(--ink-3);font-size:1rem;max-width:720px}
.section-head{margin-bottom:48px}
.rule{height:1px;background:var(--line);border:none;margin:0}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,244,238,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(23,21,15,.04),0 2px 16px rgba(23,21,15,.05)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  height:72px;transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border:1px solid var(--cinnabar);color:var(--cinnabar);
  font-family:var(--serif);font-size:.9rem;letter-spacing:.06em;border-radius:var(--radius-sm);
}
.brand-text{font-family:var(--serif);font-size:1.06rem;letter-spacing:.06em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:36px}
.nav-link{
  position:relative;font-size:.95rem;letter-spacing:.08em;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--cinnabar);transition:width .24s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:18px}
.nav-link.is-active::before{
  content:"";position:absolute;left:calc(100% + 8px);top:50%;
  width:2px;height:2px;border-radius:50%;background:var(--cinnabar);
}
.nav-cta{
  display:inline-flex;align-items:center;
  padding:9px 20px;border:1px solid var(--cinnabar);border-radius:999px;
  color:var(--cinnabar);font-size:.9rem;letter-spacing:.08em;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.nav-cta:hover{background:var(--cinnabar);color:var(--paper)}
.nav-toggle{
  display:none;width:40px;height:40px;position:relative;flex-shrink:0;
}
.nav-toggle span{
  position:absolute;left:8px;right:8px;height:1px;background:var(--ink);
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:23px}
.nav-toggle.is-open span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-sm);
  font-size:.95rem;letter-spacing:.08em;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .16s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--cinnabar);color:var(--paper)}
.btn-primary:hover{background:#93301F;color:var(--paper)}
.btn-ghost{border:1px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-light{border:1px solid rgba(247,244,238,.5);color:var(--paper)}
.btn-light:hover{background:var(--paper);color:var(--ink)}
.btn-text{
  padding:0;color:var(--cinnabar);border-bottom:1px solid transparent;
}
.btn-text:hover{border-bottom-color:var(--cinnabar)}
.link-more{
  font-size:.9rem;letter-spacing:.06em;color:var(--cinnabar);
  display:inline-flex;align-items:center;gap:6px;
}
.link-more i{transition:transform .24s var(--ease);font-style:normal}
.link-more:hover i{transform:translateX(3px)}

/* 页头横幅 */
.page-banner{
  position:relative;
  min-height:280px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(23,21,15,.42),rgba(23,21,15,.52)),url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  color:var(--paper);
}
.page-banner .container{padding-top:64px;padding-bottom:48px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:rgba(247,244,238,.7);margin-bottom:20px;
}
.breadcrumb a{color:rgba(247,244,238,.82)}
.breadcrumb a:hover{color:var(--paper)}
.breadcrumb span.sep{color:rgba(247,244,238,.45)}
.page-banner h1{
  color:var(--paper);
  font-size:clamp(2.1rem,4.6vw,3.3rem);
  line-height:1.22;
  max-width:900px;
}
.page-banner .banner-sub{
  margin-top:20px;max-width:720px;
  color:rgba(247,244,238,.82);font-size:1rem;line-height:1.85;
}
.banner-rule{width:44px;height:1px;background:var(--cinnabar);margin:26px 0 0}

/* 快捷入口 */
.quick-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:-56px;position:relative;z-index:5;
}
.quick-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px 24px;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.quick-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 2px 16px rgba(23,21,15,.06)}
.quick-index{
  font-family:var(--serif);font-size:.82rem;letter-spacing:.16em;color:var(--oat);
}
.quick-card h3{font-size:1.12rem;margin:10px 0 10px}
.quick-card p{font-size:.9rem;color:var(--ink-3);line-height:1.8;margin-bottom:16px}

/* 主体布局：侧锚点 + 手风琴 */
.help-layout{display:grid;grid-template-columns:236px 1fr;gap:56px;align-items:start}
.anchor-nav{position:sticky;top:104px}
.anchor-nav .anchor-title{
  font-family:var(--serif);font-size:.86rem;letter-spacing:.13em;color:var(--ink-3);
  padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:10px;
}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:9px 0;font-size:.92rem;color:var(--ink-2);letter-spacing:.04em;
}
.anchor-nav a .dot{
  width:4px;height:4px;border-radius:50%;background:var(--line-strong);
  transition:background .24s var(--ease),transform .24s var(--ease);
}
.anchor-nav a:hover{color:var(--ink)}
.anchor-nav a.is-active{color:var(--cinnabar)}
.anchor-nav a.is-active .dot{background:var(--cinnabar);transform:scale(1.3)}

.acc-group{margin-bottom:56px}
.acc-group:last-child{margin-bottom:0}
.acc-head{display:flex;align-items:baseline;gap:14px;padding-bottom:14px;border-bottom:1px solid var(--line-strong)}
.acc-index{font-family:var(--serif);font-size:.86rem;letter-spacing:.16em;color:var(--cinnabar)}
.acc-title{font-size:1.5rem}
.acc-list{border-top:1px solid transparent}
.acc-item{border-bottom:1px solid var(--line)}
.acc-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-family:var(--serif);font-size:1.06rem;line-height:1.6;color:var(--ink);
  transition:color .16s var(--ease);
}
.acc-q:hover{color:var(--cinnabar)}
.acc-icon{position:relative;width:14px;height:14px;flex:0 0 14px;margin-top:8px;transition:transform .24s var(--ease)}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:var(--ink-2);transition:background .16s var(--ease)}
.acc-icon::before{left:0;top:6.5px;width:14px;height:1px}
.acc-icon::after{top:0;left:6.5px;width:1px;height:14px}
.acc-item.is-open .acc-icon{transform:rotate(45deg)}
.acc-item.is-open .acc-icon::before,.acc-item.is-open .acc-icon::after{background:var(--cinnabar)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.acc-a-inner{padding:0 40px 26px 0}
.acc-a-inner p{font-size:.95rem;color:var(--ink-2);line-height:1.9;margin-bottom:12px}
.acc-a-inner p:last-child{margin-bottom:0}
.acc-a-inner ul{margin:8px 0 12px}
.acc-a-inner ul li{
  position:relative;padding-left:18px;font-size:.95rem;color:var(--ink-2);line-height:1.9;
}
.acc-a-inner ul li::before{
  content:"";position:absolute;left:2px;top:.82em;width:4px;height:4px;border-radius:50%;background:var(--oat);
}

/* 搜索面板 */
.search-panel{
  background:var(--paper-3);border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 48px;
}
.search-panel h2{font-size:1.5rem;margin-bottom:12px}
.search-panel p{color:var(--ink-3);font-size:.94rem;margin-bottom:24px;max-width:640px}
.search-form{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap;max-width:720px}
.search-field{flex:1 1 320px;min-width:240px}
.search-field input{
  width:100%;border:none;border-bottom:1px solid var(--line-strong);background:transparent;
  padding:10px 2px;color:var(--ink);border-radius:0;
  transition:border-color .24s var(--ease);
}
.search-field input::placeholder{color:var(--ink-3);opacity:.8}
.search-field input:focus{outline:none;border-bottom-color:var(--cinnabar)}
.search-hint{
  margin-top:16px;font-size:.86rem;color:var(--bronze);min-height:1.4em;
}
.tags-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 14px;border-radius:999px;
  background:var(--paper-2);border:1px solid var(--oat);
  font-size:12px;letter-spacing:.08em;color:var(--ink-2);
}

/* 支持区 */
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.support-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--radius);
}
.support-figure figcaption{
  margin-top:12px;font-size:.82rem;color:var(--ink-3);letter-spacing:.04em;
}
.contact-card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 32px 28px;margin-top:26px;
}
.contact-card dl{display:grid;grid-template-columns:96px 1fr;gap:12px 18px;margin:0}
.contact-card dt{font-size:.86rem;letter-spacing:.08em;color:var(--ink-3)}
.contact-card dd{margin:0;font-size:.95rem;color:var(--ink)}
.contact-card dd strong{font-family:var(--serif);font-weight:600}
.check-list{margin-top:22px}
.check-list li{
  position:relative;padding-left:26px;font-size:.94rem;color:var(--ink-2);line-height:1.9;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:11px;height:6px;
  border-left:1px solid var(--bronze);border-bottom:1px solid var(--bronze);
  transform:rotate(-45deg);
}

/* CTA 深色带 */
.cta-band{background:var(--ink);color:var(--paper)}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  padding:64px 0;border-top:1px solid rgba(247,244,238,.14);
}
.cta-band h2{color:var(--paper);font-size:clamp(1.6rem,2.9vw,2.2rem);line-height:1.35}
.cta-band p{color:rgba(247,244,238,.72);margin-top:14px;font-size:.95rem;max-width:560px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--paper-3);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:.82rem}
.footer-brand .brand-text{font-family:var(--serif);font-size:1rem;letter-spacing:.06em}
.footer-about{font-size:.9rem;color:var(--ink-3);line-height:1.9;max-width:340px}
.footer-title{font-size:.95rem;letter-spacing:.1em;margin-bottom:18px;color:var(--ink)}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:.9rem;color:var(--ink-2)}
.footer-list a:hover{color:var(--cinnabar)}
.footer-meta{font-size:.9rem;color:var(--ink-2);line-height:1.9;display:flex;flex-direction:column}
.footer-meta strong{font-size:.82rem;letter-spacing:.08em;color:var(--ink-3);font-weight:400}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);letter-spacing:.04em;
}

/* 滚动入场 */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* 响应式 */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .help-layout{grid-template-columns:210px 1fr;gap:40px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:80px 0}
  .section-sm{padding:60px 0}
  .nav-toggle{display:block}
  .main-nav{
    position:fixed;left:0;right:0;top:60px;bottom:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-top:1px solid var(--line);
    padding:24px 24px 40px;overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav-link{
    width:100%;padding:20px 0;font-family:var(--serif);font-size:1.25rem;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after,.nav-link::before{display:none}
  .nav-link.is-active{color:var(--cinnabar)}
  .nav-cta{display:none}
  .page-banner{min-height:240px}
  .page-banner .container{padding-top:48px;padding-bottom:40px}
  .quick-grid{margin-top:-40px}
  .help-layout{grid-template-columns:1fr;gap:32px}
  .anchor-nav{
    position:static;display:flex;gap:8px;overflow-x:auto;
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:12px 0;-webkit-overflow-scrolling:touch;
  }
  .anchor-nav .anchor-title{display:none}
  .anchor-nav a{
    flex:0 0 auto;padding:6px 14px;border:1px solid var(--line);
    border-radius:999px;font-size:.86rem;white-space:nowrap;
  }
  .anchor-nav a .dot{display:none}
  .anchor-nav a.is-active{border-color:var(--cinnabar);color:var(--cinnabar)}
  .support-grid{grid-template-columns:1fr;gap:36px}
  .support-figure{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:60px 0}
  .section-sm{padding:48px 0}
  .brand-text{font-size:.98rem}
  .quick-grid{grid-template-columns:1fr;margin-top:-32px;gap:16px}
  .acc-q{font-size:1rem;padding:19px 0}
  .acc-a-inner{padding:0 24px 22px 0}
  .search-panel{padding:30px 24px}
  .search-form{flex-direction:column;align-items:stretch}
  .search-field{flex:1 1 auto;min-width:0}
  .cta-inner{padding:52px 0;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-about{max-width:none}
  .footer-bottom{margin-top:36px}
  .contact-card{padding:24px 22px}
  .contact-card dl{grid-template-columns:82px 1fr;gap:10px 14px}
}
@media (max-width:480px){
  .page-banner h1{font-size:1.8rem}
  .btn{padding:12px 22px;width:100%;justify-content:center}
  .cta-actions{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink:#17150F;
  --ink-2:#3A352C;
  --ink-3:#6B6355;
  --paper:#F7F4EE;
  --paper-2:#FFFFFF;
  --paper-3:#F1ECE3;
  --cinnabar:#A83A2B;
  --bronze:#5C6660;
  --oat:#C7A87C;
  --line:#DED7C9;
  --line-strong:#C9C0AE;
  --ok:#4F6B4A;
  --warn:#B4741F;
  --err:#8E2F24;
  --r-card:4px;
  --r-btn:2px;
  --r-pill:999px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-hover:0 2px 16px rgba(23,21,15,.06);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:.04em;margin:0;line-height:1.25;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(168,58,43,.16);}
:focus-visible{outline:1px dashed var(--cinnabar);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:104px 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  font-family:var(--serif);
  font-size:.8125rem;
  letter-spacing:.2em;
  color:var(--cinnabar);
  text-transform:uppercase;
  display:block;
  margin-bottom:14px;
}
.section-head h2{font-size:clamp(1.9rem,3.4vw,2.6rem);}
.section-head p{margin-top:16px;color:var(--ink-3);max-width:720px;}
.split-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.95rem;color:var(--cinnabar);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),gap .24s var(--ease);
}
.text-link:hover{border-color:var(--cinnabar);gap:12px;}
.text-link .arrow{transition:transform .24s var(--ease);}
.text-link:hover .arrow{transform:translateX(2px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:.95rem;letter-spacing:.06em;
  padding:14px 28px;border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
  cursor:pointer;
}
.btn-primary{background:var(--cinnabar);color:#FDFBF7;border-color:var(--cinnabar);}
.btn-primary:hover{background:#93301F;border-color:#93301F;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--cinnabar);border-color:var(--cinnabar);}
.btn-outline:hover{background:var(--cinnabar);color:#FDFBF7;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.btn-onDark{background:#F7F4EE;color:var(--ink);border-color:#F7F4EE;}
.btn-onDark:hover{background:#fff;border-color:#fff;}
.btn-onDark-ghost{background:transparent;color:#F2EDE3;border-color:rgba(242,237,227,.5);}
.btn-onDark-ghost:hover{border-color:#F2EDE3;background:rgba(242,237,227,.08);}
.btn[disabled],.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-block;font-size:.75rem;letter-spacing:.08em;
  color:var(--ink-2);background:var(--paper-3);
  border:1px solid var(--oat);border-radius:var(--r-pill);
  padding:3px 12px;line-height:1.6;
}
.badge--lock{background:transparent;border-color:var(--line-strong);color:var(--ink-3);}
.badge--cinnabar{color:var(--cinnabar);border-color:var(--cinnabar);background:transparent;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,238,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.1) blur(6px);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;height:72px;
  transition:height .24s var(--ease);
}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  font-family:var(--serif);font-size:1rem;font-weight:600;letter-spacing:.1em;
  width:38px;height:38px;border-radius:3px;
  display:inline-flex;align-items:center;justify-content:center;
  color:#FDFBF7;background:var(--ink);
}
.brand-text{font-family:var(--serif);font-size:1.0625rem;letter-spacing:.06em;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:36px;}
.nav-link{
  position:relative;font-size:.95rem;letter-spacing:.08em;color:var(--ink-2);
  padding:6px 0;transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;
  width:18px;height:1px;background:var(--cinnabar);
  transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-link.is-active{color:var(--cinnabar);}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);}
.nav-link.is-active::before{
  content:"";position:absolute;right:-10px;top:50%;transform:translateY(-50%);
  width:3px;height:3px;border-radius:50%;background:var(--cinnabar);
}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-actions .btn{padding:10px 22px;font-size:.875rem;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:40px;height:40px;}
.nav-toggle span{display:block;height:1px;background:var(--ink);transition:transform .24s var(--ease),opacity .24s var(--ease);}
.nav-cta-mobile{display:none;}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  padding:112px 0 84px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#F7F4EE;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,21,15,.72),rgba(23,21,15,.58));
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  font-size:.75rem;letter-spacing:.08em;color:rgba(247,244,238,.72);
  display:flex;align-items:center;gap:8px;margin-bottom:26px;flex-wrap:wrap;
}
.breadcrumb a{color:rgba(247,244,238,.72);transition:color .2s var(--ease);}
.breadcrumb a:hover{color:#F7F4EE;}
.breadcrumb .sep{color:rgba(247,244,238,.42);}
.page-hero h1{
  font-size:clamp(2.2rem,5vw,3.4rem);
  line-height:1.18;max-width:900px;
}
.page-hero h1 .rule{
  display:block;width:48px;height:1px;background:var(--cinnabar);
  margin:26px 0 24px;
}
.page-hero .lede{
  max-width:680px;color:rgba(247,244,238,.86);font-size:1.0625rem;
}
.hero-meta{
  margin-top:38px;display:flex;gap:40px;flex-wrap:wrap;
  border-top:1px solid rgba(247,244,238,.22);padding-top:26px;
}
.hero-meta div{min-width:120px;}
.hero-meta .num{font-family:var(--serif);font-size:1.7rem;letter-spacing:.06em;display:block;}
.hero-meta .lab{font-size:.75rem;letter-spacing:.16em;color:rgba(247,244,238,.66);}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  border-bottom:1px solid var(--line);
  background:var(--paper);
  position:sticky;top:72px;z-index:40;
}
.filter-inner{
  display:flex;align-items:center;gap:12px;
  padding:18px 0;overflow-x:auto;scrollbar-width:none;
}
.filter-inner::-webkit-scrollbar{display:none;}
.filter-tab{
  flex:0 0 auto;
  font-size:.875rem;letter-spacing:.06em;color:var(--ink-2);
  border:1px solid var(--line-strong);border-radius:var(--r-pill);
  padding:7px 18px;background:transparent;
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.filter-tab:hover{color:var(--ink);border-color:var(--ink-3);}
.filter-tab.is-active{color:var(--cinnabar);border-color:var(--cinnabar);background:rgba(168,58,43,.05);}
.filter-note{margin-left:auto;font-size:.8125rem;color:var(--ink-3);white-space:nowrap;}

/* ---------- 杂志混排 ---------- */
.mag{display:grid;grid-template-columns:repeat(12,1fr);gap:28px;}
.mag-item{grid-column:span 12;}

.feature{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--paper-2);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.feature:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.feature-media{position:relative;aspect-ratio:21/9;overflow:hidden;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.feature:hover .feature-media img{transform:scale(1.02);}
.feature-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,21,15,.05),rgba(23,21,15,.74));
}
.feature-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:36px 40px;color:#F7F4EE;
}
.feature-body .tags{display:flex;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.feature-body .badge{background:rgba(247,244,238,.14);border-color:rgba(247,244,238,.4);color:#F7F4EE;}
.feature-body .badge--lock{background:transparent;border-color:rgba(247,244,238,.5);color:rgba(247,244,238,.9);}
.feature-body h3{font-size:clamp(1.4rem,2.6vw,2rem);max-width:760px;}
.feature-body p{margin-top:14px;max-width:680px;color:rgba(247,244,238,.84);font-size:.95rem;}
.feature-foot{
  margin-top:22px;display:flex;align-items:center;gap:20px;
  font-size:.8125rem;color:rgba(247,244,238,.72);letter-spacing:.06em;
}

.card{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.card:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .42s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-lock{
  position:absolute;top:12px;right:12px;
  font-size:.6875rem;letter-spacing:.08em;
  background:rgba(23,21,15,.72);color:#F7F4EE;
  border:1px solid rgba(247,244,238,.35);border-radius:var(--r-pill);
  padding:3px 10px;display:inline-flex;align-items:center;gap:6px;
}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1;}
.card-body h3{
  font-size:1.1875rem;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body p{
  margin-top:12px;color:var(--ink-3);font-size:.9375rem;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:20px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:.8125rem;color:var(--ink-3);
}
.card-foot .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong);}
.card-foot .text-link{margin-left:auto;font-size:.8125rem;}

.rows{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.row-item{
  display:grid;grid-template-columns:76px 1fr auto;gap:24px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .2s var(--ease);
}
.row-item:hover{background:rgba(241,236,227,.6);}
.row-no{
  font-family:var(--serif);font-size:1.35rem;letter-spacing:.12em;color:var(--line-strong);
}
.row-item:hover .row-no{color:var(--cinnabar);}
.row-main h3{font-size:1.125rem;line-height:1.5;}
.row-main p{margin-top:8px;color:var(--ink-3);font-size:.9375rem;}
.row-side{display:flex;align-items:center;gap:18px;font-size:.8125rem;color:var(--ink-3);white-space:nowrap;}
.row-side .text-link{font-size:.8125rem;}

/* ---------- 横向合集 ---------- */
.rail-wrap{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--paper-3);}
.rail{
  display:flex;gap:24px;overflow-x:auto;padding:44px 0;
  scroll-snap-type:x mandatory;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:4px;}
.rail::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:2px;}
.rail-item{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.rail-item:hover{border-color:var(--line-strong);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.rail-item img{aspect-ratio:16/10;object-fit:cover;width:100%;border-bottom:1px solid var(--line);}
.rail-body{padding:22px 22px 24px;}
.rail-body h3{font-size:1.0625rem;line-height:1.55;}
.rail-body p{margin-top:10px;color:var(--ink-3);font-size:.875rem;}
.rail-body .badge{margin-top:18px;}

/* ---------- 阅读榜 ---------- */
.rank-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start;}
.rank-list{border-top:1px solid var(--line);}
.rank-list li{
  display:flex;align-items:baseline;gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.rank-list .idx{
  font-family:var(--serif);font-size:.9375rem;letter-spacing:.12em;color:var(--cinnabar);min-width:32px;
}
.rank-list .t{flex:1;font-size:1rem;}
.rank-list .t a{transition:color .2s var(--ease);}
.rank-list .t a:hover{color:var(--cinnabar);}
.rank-list .m{font-size:.75rem;color:var(--ink-3);letter-spacing:.08em;white-space:nowrap;}
.rank-aside{
  background:var(--paper-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 32px;
}
.rank-aside h3{font-size:1.25rem;}
.rank-aside p{margin-top:14px;color:var(--ink-3);font-size:.9375rem;}
.rank-aside ul{margin-top:22px;border-top:1px solid var(--line);}
.rank-aside li{
  padding:14px 0;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;font-size:.9375rem;color:var(--ink-2);
}
.rank-aside li span:last-child{color:var(--ink-3);font-family:var(--serif);letter-spacing:.08em;}

/* ---------- 分页 ---------- */
.pager{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border-top:1px solid var(--line);padding-top:32px;margin-top:48px;flex-wrap:wrap;
}
.pager .state{font-size:.875rem;color:var(--ink-3);}
.pager .actions{display:flex;gap:14px;align-items:center;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;font-family:var(--serif);font-size:1.125rem;letter-spacing:.03em;
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--cinnabar);}
.faq-icon{position:relative;flex:0 0 16px;height:16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink-3);
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-icon::before{left:0;top:7.5px;width:16px;height:1px;}
.faq-icon::after{top:0;left:7.5px;width:1px;height:16px;}
.faq-item.is-open .faq-icon::before{background:var(--cinnabar);}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);background:var(--cinnabar);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s var(--ease);
}
.faq-a p{padding:0 0 28px;color:var(--ink-2);max-width:840px;font-size:1rem;}

/* ---------- CTA ---------- */
.cta-band{background:var(--ink);color:#F2EDE3;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:64px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.6rem,2.8vw,2.2rem);color:#F7F4EE;}
.cta-inner p{margin-top:14px;color:rgba(242,237,227,.72);max-width:560px;font-size:.9375rem;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;
  padding-bottom:56px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:20px;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:.9375rem;}
.footer-brand .brand-text{font-family:var(--serif);font-size:1rem;letter-spacing:.05em;}
.footer-about{color:var(--ink-3);font-size:.9375rem;max-width:340px;}
.footer-title{
  font-family:var(--serif);font-size:.9375rem;letter-spacing:.1em;
  color:var(--ink);margin-bottom:20px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a{
  color:var(--ink-3);font-size:.9375rem;
  transition:color .2s var(--ease);
}
.footer-list a:hover{color:var(--cinnabar);}
.footer-meta{color:var(--ink-3);font-size:.9375rem;display:flex;flex-direction:column;}
.footer-meta strong{color:var(--ink-2);font-weight:500;font-size:.8125rem;letter-spacing:.1em;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.75rem;color:var(--ink-3);letter-spacing:.06em;
}

/* ---------- 滚动入场 ---------- */
.reveal{opacity:0;transform:translateY(8px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .mag{gap:24px;}
  .rank-grid{grid-template-columns:1fr;gap:40px;}
}
@media (max-width:991px){
  .section{padding:76px 0;}
  .header-inner{height:64px;}
  .nav-toggle{display:flex;}
  .header-actions .btn{display:none;}
  .main-nav{
    position:fixed;inset:0;z-index:70;
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:0;background:var(--paper);
    padding:110px 32px 40px;
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .28s var(--ease),opacity .2s var(--ease);
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav .nav-link{
    width:100%;font-family:var(--serif);font-size:1.5rem;letter-spacing:.06em;
    padding:22px 0;border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after,.main-nav .nav-link::before{display:none;}
  .main-nav .nav-link.is-active{color:var(--cinnabar);}
  .nav-cta-mobile{
    display:flex;width:100%;margin-top:32px;
  }
  .filter-bar{top:64px;}
  .mag-item.col-6{grid-column:span 12;}
  .row-item{grid-template-columns:48px 1fr;gap:18px;}
  .row-side{grid-column:2;justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
  .page-hero{padding:88px 0 64px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .feature-media{aspect-ratio:16/10;}
  .feature-body{padding:24px 22px;}
  .feature-body p{display:none;}
  .feature-foot{flex-wrap:wrap;gap:12px;}
  .hero-meta{gap:26px;}
  .hero-meta div{min-width:100px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .cta-inner{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .pager{align-items:flex-start;}
  .pager .actions{width:100%;}
  .pager .actions .btn{flex:1;}
  .filter-note{display:none;}
}
@media (max-width:480px){
  .brand-text{font-size:.9375rem;}
  .page-hero h1{font-size:1.75rem;}
  .rail-item{flex:0 0 264px;}
  .card-body{padding:20px 18px 22px;}
  .rank-aside{padding:26px 22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}