/* roulang page: index */
:root{
  --paper:#F7F4EF;
  --paper-2:#EFEAE2;
  --ink:#16130F;
  --ink-deep:#14120F;
  --accent:#C8462C;
  --accent-dark:#A5361F;
  --warm:#6B655C;
  --line:#DFD8CC;
  --gold:#A98B54;
  --white:#FFFFFF;
  --radius:4px;
  --radius-sm:2px;
  --shadow-1:0 2px 10px rgba(20,18,15,.05);
  --shadow-2:0 12px 32px rgba(20,18,15,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;line-height:1.25;letter-spacing:.01em;margin:0}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:700}
h2{font-size:clamp(24px,2.6vw,32px)}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1264px;margin:0 auto;padding:0 32px}
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.rule{border:0;border-top:1px solid var(--line);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12.5px;font-weight:500;letter-spacing:.2em;color:var(--warm);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.sec-head{margin-bottom:40px;max-width:760px}
.sec-head h2{margin:14px 0 12px}
.sec-head p{font-size:16px;color:var(--warm);max-width:72ch}
.meta{font-size:13.5px;font-weight:500;letter-spacing:.06em;color:var(--warm)}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(20,18,15,.06),0 8px 20px rgba(20,18,15,.06)}
.nav-inner{display:flex;align-items:center;gap:26px;height:70px;transition:height .25s var(--ease)}
.site-header.is-scrolled .nav-inner{height:58px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.site-header.is-scrolled .logo svg{width:30px;height:30px}
.logo-mark-tip{transition:transform .25s var(--ease)}
.logo:hover .logo-mark-tip{transform:translateX(2px)}
.logo-txt{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1;letter-spacing:.02em}
.logo-sub{
  font-family:var(--sans);font-size:11px;letter-spacing:.28em;font-weight:400;
  color:var(--warm);margin-left:8px;padding-left:10px;border-left:1px solid var(--line);
}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15.5px;font-weight:500;letter-spacing:.02em;color:var(--ink);
  transition:color .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width .28s var(--ease);
}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{position:relative}
.nav-search input{
  width:238px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:var(--paper);padding:0 42px 0 16px;font-size:14.5px;color:var(--ink);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:#9B9488}
.nav-search input:focus{
  outline:none;background:var(--white);border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(200,70,44,.14);
}
.nav-search .bi{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  color:var(--warm);font-size:15px;pointer-events:none;
}
.btn-pill{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 20px;
  border:0;border-radius:999px;background:var(--accent);color:#fff;
  font-size:14.5px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-pill:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-pill.small{height:36px;padding:0 16px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:999px;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.progress-line{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--accent);
  transition:width .1s linear;
}
.offcanvas{background:var(--white)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.oc-list a,.oc-list span{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;min-height:44px;
}
.oc-list a:hover{color:var(--accent)}
.oc-title{font-size:12.5px;letter-spacing:.2em;color:var(--warm);margin:22px 0 4px}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink-deep);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;opacity:.58}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,15,.92) 0%,rgba(20,18,15,.72) 46%,rgba(20,18,15,.34) 100%);
}
.hero-inner{position:relative;z-index:2;padding:104px 0 76px;max-width:760px;color:var(--paper)}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.2em;
  color:#D8C8A8;border:1px solid rgba(169,139,84,.5);border-radius:999px;padding:6px 16px;
}
.hero h1{margin:22px 0 18px;color:#FDFBF7}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(247,244,239,.82);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:32px}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border:0;border-radius:var(--radius);
  background:var(--accent);color:#fff;font-size:15.5px;font-weight:500;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 25px;border:1px solid var(--ink);border-radius:var(--radius);
  background:transparent;color:var(--ink);font-size:15.5px;font-weight:500;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}
.btn-ghost.on-dark{border-color:rgba(247,244,239,.6);color:#F7F4EF}
.btn-ghost.on-dark:hover{background:#F7F4EF;color:var(--ink)}
.play-btn{
  display:inline-flex;align-items:center;gap:14px;color:#F7F4EF;
  font-size:14.5px;letter-spacing:.04em;
}
.play-btn .ring{
  width:60px;height:60px;border-radius:50%;border:1px solid rgba(247,244,239,.7);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background .25s var(--ease),border-color .25s var(--ease);
}
.play-btn:hover .ring{background:rgba(200,70,44,.9);border-color:transparent}
.play-btn .ring i{font-size:20px;transform:translateX(1px);transition:transform .25s var(--ease)}
.play-btn:hover .ring i{transform:translateX(3px)}
.hero-trust{
  position:relative;z-index:2;border-top:1px solid rgba(247,244,239,.18);
  display:flex;flex-wrap:wrap;gap:12px 40px;padding:22px 0 30px;
  font-size:13.5px;letter-spacing:.06em;color:rgba(247,244,239,.7);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust i{color:var(--gold)}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;
}
.stat{padding:30px 26px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--serif);font-size:clamp(30px,3.2vw,40px);font-weight:700;line-height:1;color:var(--ink)}
.stat-num em{font-style:normal;font-size:.5em;color:var(--accent);margin-left:4px}
.stat-lbl{margin-top:12px;font-size:13.5px;letter-spacing:.06em;color:var(--warm)}

/* ---------- 卡片通用 ---------- */
.card-m{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.card-m::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
  transition:width .35s var(--ease);
}
.card-m:hover{border-color:#C9C0B2;box-shadow:var(--shadow-2);transform:translateY(-2px)}
.card-m:hover::after{width:100%}
.thumb{position:relative;overflow:hidden;background:var(--paper-2)}
.thumb img{width:100%;height:100%;transition:transform .32s var(--ease)}
.card-m:hover .thumb img{transform:scale(1.03)}
.thumb::before{
  content:"";position:absolute;inset:0;background:rgba(20,18,15,.12);
  opacity:0;transition:opacity .32s var(--ease);z-index:2;
}
.card-m:hover .thumb::before{opacity:1}
.thumb.tall{aspect-ratio:3/4}
.thumb.wide{aspect-ratio:16/9}
.ico-line{font-size:22px;color:var(--accent);line-height:1}
.tag{
  display:inline-flex;align-items:center;padding:3px 10px;border:1px solid var(--line);
  border-radius:999px;font-size:12.5px;letter-spacing:.06em;color:var(--warm);background:var(--paper);
}

/* ---------- 功能 A ---------- */
.feature-a{display:grid;grid-template-columns:1.45fr 1fr;gap:22px}
.feature-a-left{display:grid;gap:22px}
.fa-card{padding:32px 30px;display:flex;flex-direction:column;gap:14px}
.fa-card h3{font-size:21px}
.fa-card p{color:var(--warm);font-size:15.5px;max-width:52ch}
.fa-card.tall-card{padding-bottom:36px}
.sketch{
  margin-top:auto;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper);padding:16px;display:flex;flex-direction:column;gap:10px;
}
.sketch .bar{height:8px;border-radius:999px;background:#E4DDD1}
.sketch .bar.a{width:62%}
.sketch .bar.b{width:88%}
.sketch .bar.c{width:44%}
.sketch .chips{display:flex;gap:8px;flex-wrap:wrap}
.sketch .chip{height:22px;padding:0 10px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:11.5px;color:var(--warm);display:inline-flex;align-items:center}
.rank-line{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.rank-line:last-child{border-bottom:0}
.rank-line b{font-family:var(--serif);font-size:18px;color:var(--gold);width:24px}

/* ---------- 功能 B ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-media{order:2}
.split-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow-1)}
.split-media img{width:100%;aspect-ratio:16/10}
.split h2{margin-bottom:16px}
.split .lead{color:var(--warm);max-width:60ch;margin-bottom:26px}
.point-list li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.point-list li:last-child{border-bottom:1px solid var(--line)}
.point-list i{color:var(--accent);font-size:18px;margin-top:5px}
.point-list strong{display:block;font-size:16px;font-weight:600;font-family:var(--serif)}
.point-list span{font-size:14.5px;color:var(--warm)}

/* ---------- 功能 C ---------- */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.pick:nth-child(2){margin-top:32px}
.pick:nth-child(3){margin-top:14px}
.pick .thumb{aspect-ratio:3/4}
.pick-body{padding:22px 22px 26px}
.pick-body h3{font-size:19px;margin-bottom:8px}
.pick-body p{font-size:14.5px;color:var(--warm)}

/* ---------- 场景横滑 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:8px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail>*{flex:0 0 300px;scroll-snap-align:start}
.scene-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;min-height:212px;display:flex;flex-direction:column;gap:12px;transition:border-color .25s var(--ease),transform .25s var(--ease)}
.scene-card:hover{border-color:#C9C0B2;transform:translateY(-2px)}
.scene-card i{font-size:22px;color:var(--accent)}
.scene-card h3{font-size:18px}
.scene-card p{font-size:14.5px;color:var(--warm)}
.scene-card .meta{margin-top:auto}
.rail-nav{display:flex;gap:10px;justify-content:flex-end;margin-bottom:18px}
.rail-nav button{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--white);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.rail-nav button:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 演示区 ---------- */
.demo{display:grid;grid-template-columns:1.35fr 1fr;gap:48px;align-items:center}
.demo-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper-2)}
.demo-media img{width:100%;aspect-ratio:16/10}
.step{display:flex;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step:first-child{padding-top:0}
.step:last-child{border-bottom:0}
.step .no{font-family:var(--serif);font-size:28px;font-weight:700;color:var(--gold);line-height:1;min-width:46px}
.step h3{font-size:18px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--warm)}
.demo-line{height:1px;background:var(--line);margin-top:36px;position:relative}
.demo-line::after{content:"";position:absolute;left:0;top:-1px;width:34%;height:3px;background:var(--accent)}

/* ---------- 案例 ---------- */
.cases{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.case-card .thumb{aspect-ratio:16/9}
.case-body{padding:26px 28px 30px}
.case-body h3{font-size:21px;margin-bottom:10px}
.case-body p{font-size:15px;color:var(--warm);margin-bottom:18px}
.case-data{display:flex;gap:28px;border-top:1px solid var(--line);padding-top:18px}
.case-data div b{display:block;font-family:var(--serif);font-size:24px;line-height:1.1;color:var(--ink)}
.case-data div span{font-size:13px;letter-spacing:.06em;color:var(--warm)}

/* ---------- 价格 ---------- */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch}
.plan{position:relative;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;display:flex;flex-direction:column;gap:20px;transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease)}
.plan:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.plan.free{border:2px solid var(--accent);background:#FFFDFA}
.plan .badge-free{
  position:absolute;top:-1px;left:-1px;background:var(--accent);color:#fff;
  font-size:12.5px;letter-spacing:.14em;padding:6px 16px;border-radius:0 0 var(--radius) 0;
}
.plan h3{font-size:21px}
.plan .price{font-family:var(--serif);font-size:40px;font-weight:700;line-height:1}
.plan .price small{font-size:14px;font-weight:400;color:var(--warm);margin-left:8px;letter-spacing:.04em}
.plan .desc{font-size:14.5px;color:var(--warm)}
.plan ul li{display:flex;gap:12px;padding:11px 0;border-top:1px solid var(--line);font-size:15px}
.plan ul li i{color:var(--accent);margin-top:5px}
.plan .plan-cta{margin-top:auto}

/* ---------- 评价墙 ---------- */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;display:flex;flex-direction:column;gap:14px}
.review:nth-child(2n){background:#FCFAF6}
.rv-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--paper-2);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:16px;
}
.rv-top b{font-size:15px;font-weight:600}
.rv-top span{display:block;font-size:12.5px;color:var(--warm);letter-spacing:.04em}
.review p{font-size:15px;color:#3A352E}
.squares{display:flex;gap:4px}
.squares i{width:7px;height:7px;background:var(--accent);display:block}
.squares i.off{background:var(--line)}

/* ---------- 长口碑 ---------- */
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.quote{border-top:2px solid var(--ink);padding-top:26px}
.quote .mark{font-family:var(--serif);font-size:52px;line-height:.6;color:var(--accent);display:block;margin-bottom:14px}
.quote p{font-family:var(--serif);font-size:19px;line-height:1.75;color:var(--ink)}
.quote .who{margin-top:18px;font-size:13.5px;letter-spacing:.06em;color:var(--warm)}

/* ---------- 资讯 ---------- */
.news{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start}
.news-list li{border-top:1px solid var(--line);padding:20px 0}
.news-list li:last-child{border-bottom:1px solid var(--line)}
.news-list a{display:block}
.news-list h3{font-size:18px;margin:6px 0 8px;transition:color .2s var(--ease)}
.news-list a:hover h3{color:var(--accent)}
.news-list p{font-size:14.5px;color:var(--warm)}
.news-side .thumb{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;aspect-ratio:3/4}
.news-side .caption{margin-top:14px;font-size:13.5px;color:var(--warm);letter-spacing:.04em}

/* ---------- 分类入口 ---------- */
.cat-wall{display:flex;flex-wrap:wrap;gap:12px}
.cat-item{
  display:inline-flex;align-items:center;gap:10px;padding:11px 18px;
  border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
  font-size:15px;transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
  min-height:44px;
}
.cat-item span{font-size:12.5px;color:var(--warm);transition:color .2s var(--ease)}
.cat-item:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.cat-item:hover span{color:var(--accent)}
.cat-item.a{position:relative;overflow:hidden}
.cat-item.a::after{content:"";position:absolute;left:18px;bottom:8px;height:2px;width:0;background:var(--accent);transition:width .28s var(--ease)}
.cat-item.a:hover::after{width:calc(100% - 36px)}

/* ---------- 榜单 + 日历 ---------- */
.week{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.cal{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.cal-day{border:1px solid var(--line);border-radius:var(--radius);background:var(--white);padding:14px 10px;min-height:104px}
.cal-day b{display:block;font-family:var(--serif);font-size:14px;color:var(--gold);letter-spacing:.04em}
.cal-day span{display:block;font-size:13px;color:var(--warm);margin-top:8px;line-height:1.6}
.tops li{display:flex;gap:20px;align-items:baseline;padding:18px 0;border-bottom:1px solid var(--line)}
.tops li:first-child{padding-top:0}
.tops .no{font-family:var(--serif);font-size:30px;font-weight:700;color:var(--gold);line-height:1;min-width:44px}
.tops h3{font-size:17.5px;margin-bottom:4px}
.tops p{font-size:14px;color:var(--warm)}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{border:0;border-top:1px solid var(--line);background:transparent;border-radius:0}
.faq-acc .accordion-item:last-child{border-bottom:1px solid var(--line)}
.faq-acc .accordion-button{
  position:relative;background:transparent;box-shadow:none;border:0;border-radius:0;
  padding:22px 44px 22px 20px;font-family:var(--serif);font-size:18px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--accent);background:transparent;box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;background:var(--accent);
  opacity:0;transition:opacity .25s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1}
.faq-acc .accordion-button i{font-size:16px;color:var(--warm);transition:transform .3s var(--ease)}
.faq-acc .accordion-button:not(.collapsed) i{transform:rotate(180deg);color:var(--accent)}
.faq-acc .accordion-body{padding:0 20px 26px;font-size:15.5px;color:var(--warm);max-width:78ch}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--ink-deep);color:var(--paper);position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100%;
  background-image:repeating-linear-gradient(90deg,rgba(247,244,239,.08) 0 10px,transparent 10px 26px);
  opacity:.5;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;padding:72px 0}
.cta-inner h2{color:#FDFBF7;max-width:640px}
.cta-inner p{color:rgba(247,244,239,.74);margin-top:14px;max-width:56ch}
.cta-inner .btn-main{background:var(--accent)}
.cta-note{margin-top:14px;font-size:13px;color:rgba(247,244,239,.6);letter-spacing:.04em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(247,244,239,.78);padding:72px 0 0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.site-footer h4{font-family:var(--serif);font-size:16px;color:#FDFBF7;margin-bottom:20px;letter-spacing:.04em}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(247,244,239,.62);max-width:34ch}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.foot-logo svg{width:30px;height:30px}
.foot-logo b{font-family:var(--serif);font-size:19px;color:#FDFBF7;letter-spacing:.02em}
.foot-list li{padding:7px 0}
.foot-list a,.foot-list span{position:relative;font-size:14.5px;color:rgba(247,244,239,.72);display:inline-block}
.foot-list a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);transition:width .28s var(--ease)}
.foot-list a:hover{color:#FDFBF7}
.foot-list a:hover::after{width:100%}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(247,244,239,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding:24px 0 30px;font-size:13.5px;color:rgba(247,244,239,.5);letter-spacing:.04em;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search input{width:190px}
  .nav-links{gap:20px}
  .split{gap:40px}
  .news{gap:32px}
  .week{gap:36px}
}
@media (max-width:991px){
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .hero-inner{padding:80px 0 62px}
  .split,.demo,.news,.week{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .feature-a{grid-template-columns:1fr}
  .picks{grid-template-columns:1fr 1fr}
  .pick:nth-child(2),.pick:nth-child(3){margin-top:0}
  .cases,.plans,.quotes{grid-template-columns:1fr}
  .reviews{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .cal{grid-template-columns:repeat(4,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .wrap{padding:0 20px}
  .sec{padding:56px 0}
  .sec-tight{padding:44px 0}
  body{font-size:16px}
  .logo-sub{display:none}
  .hero-inner{padding:66px 0 52px}
  .hero-trust{gap:10px 22px;font-size:12.5px}
  .rail>*{flex:0 0 78%}
  .rail-nav{display:none}
  .cta-inner{padding:54px 0}
  .cta-inner .btn-main{width:100%;justify-content:center}
  .cal{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:575px){
  .picks,.reviews,.cases,.foot-grid{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .case-data{gap:18px;flex-wrap:wrap}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  .reveal{transform:none;transition:opacity .3s linear}
  .card-m:hover .thumb img{transform:none}
  .plan:hover,.cat-item:hover,.btn-main:hover,.btn-ghost:hover,.btn-pill:hover{transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
 --paper:#F7F4EF;
 --paper-2:#EFEAE2;
 --ink:#16130F;
 --ink-deep:#14120F;
 --accent:#C8462C;
 --accent-dark:#A5361F;
 --warm:#6B655C;
 --line:#DFD8CC;
 --gold:#A98B54;
 --white:#FFFFFF;
 --radius:4px;
 --radius-sm:2px;
 --shadow-1:0 2px 10px rgba(20,18,15,.05);
 --shadow-2:0 12px 32px rgba(20,18,15,.10);
 --ease:cubic-bezier(.22,.61,.36,1);
 --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
 --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;background:var(--paper);color:var(--ink);
 font-family:var(--sans);font-size:16.5px;line-height:1.85;
 -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit}
h1,h2,h3,h4{font-family:var(--serif);letter-spacing:.01em;line-height:1.28;margin:0}
h1{font-size:clamp(30px,4.2vw,48px);font-weight:700}
h2{font-size:clamp(24px,3vw,33px);font-weight:700}
h3{font-size:20px;font-weight:600}
p{margin:0 0 14px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}
.eyebrow{
 display:inline-flex;align-items:center;gap:10px;
 font-size:12.5px;font-weight:500;letter-spacing:.2em;color:var(--warm);
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold)}
.meta{font-size:13.5px;font-weight:500;letter-spacing:.06em;color:var(--warm)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* ---------- 顶栏 ---------- */
.site-header{
 position:sticky;top:0;z-index:1030;background:var(--white);
 border-bottom:1px solid var(--line);
 transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(20,18,15,.06),0 8px 20px rgba(20,18,15,.06)}
.nav-inner{display:flex;align-items:center;gap:24px;height:70px;transition:height .25s var(--ease)}
.site-header.is-scrolled .nav-inner{height:58px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo svg{width:34px;height:34px;flex:0 0 auto}
.site-header.is-scrolled .logo svg{width:30px;height:30px}
.logo-mark-tip{transition:transform .25s var(--ease)}
.logo:hover .logo-mark-tip{transform:translateX(2px)}
.logo-txt{font-family:var(--serif);font-size:21px;font-weight:700;line-height:1;letter-spacing:.02em}
.logo-sub{
 font-family:var(--sans);font-size:11px;letter-spacing:.28em;font-weight:400;
 color:var(--warm);margin-left:8px;padding-left:10px;border-left:1px solid var(--line);
}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:8px}
.nav-links a{
 position:relative;display:inline-block;padding:6px 0;
 font-size:15.5px;font-weight:500;letter-spacing:.02em;color:var(--ink);
 transition:color .2s var(--ease);
}
.nav-links a::after{
 content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
 background:var(--accent);transition:width .28s var(--ease);
}
.nav-links a:hover::after{width:100%}
.nav-links a.active{color:var(--accent)}
.nav-links a.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{position:relative}
.nav-search input{
 width:238px;height:40px;border-radius:999px;border:1px solid var(--line);
 background:var(--paper);padding:0 42px 0 16px;font-size:14.5px;color:var(--ink);
 transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.nav-search input::placeholder{color:#9B9488}
.nav-search input:focus{
 outline:none;background:var(--white);border-color:var(--accent);
 box-shadow:0 0 0 3px rgba(200,70,44,.14);
}
.nav-search .bi{
 position:absolute;right:14px;top:50%;transform:translateY(-50%);
 color:var(--warm);font-size:15px;pointer-events:none;
}
.btn-pill{
 display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 20px;
 border:0;border-radius:999px;background:var(--accent);color:#fff;
 font-size:14.5px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
 transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-pill:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.nav-toggle{
 display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
 border-radius:999px;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.scroll-progress{
 position:absolute;left:0;bottom:-1px;height:2px;width:0;background:var(--accent);
 transition:width .1s linear;
}
.offcanvas{background:var(--white)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas-title{font-family:var(--serif);font-size:19px;font-weight:700}
.oc-list a,.oc-list span{
 display:flex;align-items:center;justify-content:space-between;
 padding:14px 0;border-bottom:1px solid var(--line);
 font-size:16px;font-weight:500;min-height:44px;
}
.oc-list a:hover{color:var(--accent)}
.oc-title{font-size:12.5px;letter-spacing:.2em;color:var(--warm);margin:22px 0 4px}

/* ---------- 分类标题区 ---------- */
.cat-head{padding:38px 0 34px;border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--warm);margin-bottom:20px}
.crumb a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.crumb .sep{color:#BDB6A9}
.crumb .now{color:var(--ink)}
.cat-head-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:end}
.cat-head h1{margin-bottom:14px}
.cat-head h1 em{font-style:normal;color:var(--accent)}
.cat-lead{max-width:62ch;font-size:16.5px;color:#3C362E;margin:0}
.cat-stats{display:flex;align-items:stretch;gap:0;border-left:1px solid var(--line)}
.cat-stats .st{padding:2px 22px;min-width:118px}
.cat-stats .st + .st{border-left:1px solid var(--line)}
.cat-stats b{
 display:block;font-family:var(--serif);font-size:27px;font-weight:700;line-height:1.15;
 letter-spacing:.01em;
}
.cat-stats span{font-size:12.5px;letter-spacing:.08em;color:var(--warm)}

/* ---------- 通用板块 ---------- */
.sec{padding:84px 0;border-top:1px solid var(--line)}
.sec-head{margin-bottom:38px}
.sec-head h2{margin:14px 0 10px}
.sec-head p{max-width:66ch;color:#413B33;margin:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap}

/* ---------- 特征卡（2+1 不对称） ---------- */
.feature-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:22px}
.fcard{
 border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
 padding:30px 28px;position:relative;overflow:hidden;
 transition:border-color .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.fcard::after{
 content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);
 transition:width .28s var(--ease);
}
.fcard:hover{border-color:#C9C0B2;transform:translateY(-3px);box-shadow:var(--shadow-1)}
.fcard:hover::after{width:100%}
.fcard .bi{font-size:24px;color:var(--ink);line-height:1}
.fcard h3{margin:18px 0 10px}
.fcard p{color:#413B33;font-size:15.5px;margin:0}
.fcard.tall{grid-row:span 2;background:var(--paper-2)}
.fcard .num{
 font-family:var(--serif);font-size:13px;letter-spacing:.18em;color:var(--gold);
 display:block;margin-bottom:14px;
}

/* ---------- 条目网格 ---------- */
.tile-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px 26px}
.tile{
 padding-bottom:22px;border-bottom:1px solid var(--line);
}
.tile-thumb{
 position:relative;display:block;aspect-ratio:3/4;overflow:hidden;
 border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper-2);
}
.tile-thumb img{width:100%;height:100%;transition:transform .32s var(--ease)}
.tile-thumb::after{
 content:"";position:absolute;inset:0;background:rgba(20,18,15,0);
 transition:background .32s var(--ease);
}
.tile:hover .tile-thumb img{transform:scale(1.03)}
.tile:hover .tile-thumb::after{background:rgba(20,18,15,.12)}
.tile-tag{
 position:absolute;left:10px;top:10px;z-index:2;background:rgba(20,18,15,.82);color:#F2EEE7;
 font-size:11.5px;letter-spacing:.1em;padding:3px 9px;border-radius:2px;
}
.tile h3{font-size:18px;margin:16px 0 6px}
.tile-meta{font-size:13px;letter-spacing:.05em;color:var(--warm);margin-bottom:8px}
.tile p{font-size:14.8px;color:#4A443B;margin:0}
.tile:hover h3{color:var(--accent)}
.grid-foot{display:flex;justify-content:center;margin-top:44px}
.btn-line{
 display:inline-flex;align-items:center;gap:10px;min-height:46px;
 padding:12px 30px;border:1px solid var(--ink);border-radius:var(--radius);
 background:transparent;color:var(--ink);font-size:15.5px;font-weight:500;
 transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:var(--ink);color:var(--paper);transform:translateY(-1px)}

/* ---------- 横滑片单 ---------- */
.rail-wrap{position:relative}
.rail{
 display:flex;gap:18px;overflow-x:auto;padding-bottom:16px;
 scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
 scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{
 flex:0 0 372px;scroll-snap-align:start;display:grid;grid-template-columns:118px minmax(0,1fr);
 gap:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);
 padding:14px;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.rail-card:hover{border-color:#C9C0B2;box-shadow:var(--shadow-1)}
.rail-card .rc-img{aspect-ratio:3/4;overflow:hidden;border:1px solid var(--line);border-radius:2px}
.rail-card .rc-img img{width:100%;height:100%}
.rail-card h3{font-size:17px;margin-bottom:8px}
.rail-card .meta{display:block;margin-bottom:8px}
.rail-card p{font-size:14.5px;color:#4A443B;margin:0}
.rail-arrows{display:flex;gap:10px}
.rail-arrows button{
 width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
 background:var(--white);color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
 transition:border-color .2s var(--ease),color .2s var(--ease);
}
.rail-arrows button:hover{border-color:var(--accent);color:var(--accent)}

/* ---------- 文章列表 ---------- */
.art-list{border-top:1px solid var(--line)}
.art-item{
 display:grid;grid-template-columns:112px minmax(0,1fr);gap:22px;
 padding:22px 0;border-bottom:1px solid var(--line);
 transition:background .25s var(--ease);
}
.art-item:hover{background:rgba(239,234,226,.55)}
.art-item .ai-img{aspect-ratio:3/4;overflow:hidden;border:1px solid var(--line);border-radius:2px}
.art-item .ai-img img{width:100%;height:100%;transition:transform .32s var(--ease)}
.art-item:hover .ai-img img{transform:scale(1.03)}
.art-item h3{font-size:18.5px;margin:6px 0 8px}
.art-item:hover h3{color:var(--accent)}
.art-item p{font-size:15px;color:#4A443B;margin:0}
.art-item .meta{display:block}

/* ---------- 长文块 ---------- */
.doc-block{max-width:72ch;font-size:16px;line-height:1.85;color:#2E2923}
.doc-block h2{margin-bottom:20px}
.doc-block p{margin-bottom:16px}
.doc-block ul{margin:22px 0 0;padding:0;list-style:none}
.doc-block li{
 position:relative;padding-left:22px;margin-bottom:12px;color:#3A342C;
}
.doc-block li::before{
 content:"";position:absolute;left:0;top:12px;width:10px;height:1px;background:var(--accent);
}

/* ---------- FAQ ---------- */
.md-faq .accordion-item{
 background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;
}
.md-faq .accordion-header{margin:0}
.md-faq .accordion-button{
 background:transparent;border:0;border-radius:0;box-shadow:none;
 padding:22px 44px 22px 0;font-family:var(--serif);font-size:18.5px;font-weight:600;
 color:var(--ink);position:relative;
}
.md-faq .accordion-button::before{
 content:"";position:absolute;left:0;top:22px;bottom:22px;width:2px;background:var(--accent);
 transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.md-faq .accordion-button:not(.collapsed){color:var(--ink);background:transparent;box-shadow:none}
.md-faq .accordion-button:not(.collapsed)::before{transform:scaleY(1)}
.md-faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.md-faq .accordion-button:not(.collapsed){padding-left:18px}
.md-faq .accordion-button::after{
 background-image:none;content:"\F282";font-family:"bootstrap-icons";
 font-size:16px;width:auto;height:auto;transform:none;color:var(--warm);
 transition:transform .28s var(--ease),color .28s var(--ease);
 position:absolute;right:6px;top:50%;margin-top:-11px;
}
.md-faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--accent)}
.md-faq .accordion-body{
 padding:0 0 26px;font-size:15.8px;color:#413B33;max-width:72ch;
}
.md-faq .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:18px}

/* ---------- CTA 通栏 ---------- */
.cta-band{
 background:var(--ink-deep);color:var(--paper);position:relative;overflow:hidden;
 padding:78px 0;
}
.cta-band::before{
 content:"";position:absolute;left:0;right:0;top:22px;height:10px;
 background-image:radial-gradient(circle,rgba(247,244,239,.16) 1.4px,transparent 1.5px);
 background-size:22px 10px;opacity:.5;
}
.cta-band::after{
 content:"";position:absolute;left:0;right:0;bottom:22px;height:10px;
 background-image:radial-gradient(circle,rgba(247,244,239,.16) 1.4px,transparent 1.5px);
 background-size:22px 10px;opacity:.5;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#FDFBF7;margin-bottom:12px}
.cta-band p{color:rgba(247,244,239,.76);max-width:58ch;margin:0}
.btn-main{
 display:inline-flex;align-items:center;gap:8px;
 padding:14px 32px;border:0;border-radius:var(--radius);
 background:var(--accent);color:#fff;font-size:15.5px;font-weight:500;
 transition:background .2s var(--ease),transform .2s var(--ease);
}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(247,244,239,.78);padding:66px 0 30px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.foot-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-logo svg{width:32px;height:32px}
.foot-logo b{font-family:var(--serif);font-size:20px;font-weight:700;color:#F7F4EF;letter-spacing:.02em}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(247,244,239,.66);margin:0}
.site-footer h4{
 font-family:var(--sans);font-size:13px;font-weight:500;letter-spacing:.18em;
 color:rgba(247,244,239,.62);margin:0 0 16px;
}
.foot-list{list-style:none;margin:0;padding:0}
.foot-list li{margin-bottom:11px;font-size:14.5px}
.foot-list a,.foot-list span{color:rgba(247,244,239,.8)}
.foot-list a{position:relative;display:inline-block}
.foot-list a::after{
 content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent);
 transition:width .28s var(--ease);
}
.foot-list a:hover{color:#F7F4EF}
.foot-list a:hover::after{width:100%}
.foot-bottom{
 margin-top:46px;padding-top:22px;border-top:1px solid rgba(247,244,239,.14);
 display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
 font-size:13px;color:rgba(247,244,239,.55);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .42s var(--ease),transform .42s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
 .tile-grid{gap:30px 22px}
 .rail-card{flex:0 0 344px}
}
@media (max-width:1199.98px){
 .nav-links{gap:18px}
 .nav-links a{font-size:15px}
 .nav-search input{width:196px}
 .feature-grid{grid-template-columns:1fr 1fr}
 .fcard.tall{grid-row:auto;grid-column:span 2}
 .tile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
 .foot-grid > div:last-child{grid-column:span 3}
}
@media (max-width:991.98px){
 .nav-links{display:none}
 .nav-toggle{display:inline-flex}
 .nav-search{display:none}
 .cat-head-grid{grid-template-columns:1fr;gap:26px;align-items:start}
 .cat-stats{border-left:0;border-top:1px solid var(--line);padding-top:18px}
 .cat-stats .st{padding-left:0;min-width:0;flex:1}
 .cat-stats .st + .st{padding-left:20px}
 .sec{padding:64px 0}
 .rail-card{flex:0 0 320px}
 .foot-grid{grid-template-columns:1fr 1fr}
 .foot-grid > div:last-child{grid-column:span 2}
}
@media (max-width:767.98px){
 .wrap{padding:0 20px}
 .nav-inner{height:58px;gap:12px}
 .site-header.is-scrolled .nav-inner{height:56px}
 .logo-sub{display:none}
 .logo-txt{font-size:19px}
 .nav-right{gap:10px}
 .btn-pill{padding:0 14px;height:36px;font-size:13.5px}
 .cat-head{padding:26px 0 26px}
 .sec{padding:52px 0}
 .sec-head{margin-bottom:28px}
 .feature-grid{grid-template-columns:1fr}
 .fcard.tall{grid-column:auto}
 .tile-grid{grid-template-columns:1fr;gap:26px}
 .rail-card{flex:0 0 82%}
 .rail-arrows{display:none}
 .art-item{grid-template-columns:82px minmax(0,1fr);gap:16px}
 .cta-band{padding:56px 0}
 .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
 .cta-inner .btn-main{width:100%;justify-content:center}
 .foot-grid{grid-template-columns:1fr;gap:28px}
 .foot-grid > div:last-child{grid-column:auto}
 .foot-bottom{flex-direction:column;gap:8px}
 .md-faq .accordion-button{font-size:17px;padding-right:38px}
}
@media (max-width:575.98px){
 body{font-size:16px}
 .cat-stats{flex-wrap:wrap;gap:14px 0}
 .cat-stats .st{flex:1 1 40%}
 .cat-stats .st + .st{border-left:0;padding-left:0}
}
@media print{
 .site-header,.rail-arrows,.btn-main,.btn-line{display:none}
 .tile-thumb img{display:none}
}
@media (prefers-reduced-motion:reduce){
 *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
 .reveal{opacity:1;transform:none}
 .tile:hover .tile-thumb img,.art-item:hover .ai-img img{transform:none}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}