/* roulang page: index */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&family=Noto+Serif+SC:wght@600;700&display=swap');

:root{
  --ink:#1F1D1A;
  --ink-2:#6B6259;
  --clay:#B85C38;
  --clay-deep:#8E4326;
  --rose:#9E4B5E;
  --sage:#6E8068;
  --bg:#F7F2EA;
  --bg-2:#EFE7DC;
  --paper:#FFFDF9;
  --line:#E2D8C9;
  --shadow-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --shadow-2:0 2px 4px rgba(31,29,26,.06),0 16px 40px rgba(31,29,26,.10);
  --r-card:18px;
  --r-img:14px;
  --r-input:10px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","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:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
button{font-family:inherit;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:700;letter-spacing:-.02em;margin:0;color:var(--ink);}
h1{font-size:clamp(32px,4.4vw,58px);line-height:1.16;}
h2{font-size:clamp(25px,2.9vw,38px);line-height:1.26;}
h3{font-size:20px;line-height:1.45;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(184,92,56,.18);color:var(--ink);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
.btn-primary{background:var(--clay);color:#FFF8F0;box-shadow:0 6px 18px rgba(184,92,56,.22);}
.btn-primary:hover{background:var(--clay-deep);color:#FFF8F0;transform:translateY(-1px);box-shadow:0 10px 26px rgba(142,67,38,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,67,38,.24);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.04);}
.btn-ghost-light{background:rgba(255,253,249,.08);color:#F3EDE4;border-color:rgba(243,237,228,.34);}
.btn-ghost-light:hover{background:rgba(255,253,249,.16);border-color:#F3EDE4;color:#FFF8F0;transform:translateY(-1px);}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章与标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--bg-2);color:var(--ink-2);white-space:nowrap;
}
.badge-rose{background:rgba(158,75,94,.10);color:var(--rose);}
.badge-sage{background:rgba(110,128,104,.12);color:var(--sage);}
.badge-clay{background:rgba(184,92,56,.12);color:var(--clay-deep);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(31,29,26,.10);background:rgba(255,253,249,.94);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-mark{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;transition:color .2s ease;}
.brand-mark::after{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--clay);margin-left:7px;vertical-align:middle;
}
.brand:hover .brand-mark{color:var(--clay-deep);}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--ink-2);margin-top:5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);border-radius:8px;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
.nav-close{
  display:none;position:fixed;top:18px;right:20px;z-index:1050;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-backdrop{position:fixed;inset:0;background:rgba(31,29,26,.4);opacity:0;pointer-events:none;transition:opacity .3s ease;z-index:1039;}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1029;display:none;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(247,242,234,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-cta .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);color:#F3EDE4;padding:104px 0 0;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/c748440cdb0614d7.webp') center/cover no-repeat;opacity:.62;}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(104deg,rgba(31,29,26,.95) 0%,rgba(31,29,26,.82) 42%,rgba(31,29,26,.42) 100%);
}
.hero-grid{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(243,237,228,.055) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(243,237,228,.055) 0 1px,transparent 1px 48px);
}
.hero-inner{position:relative;z-index:2;max-width:930px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  padding:7px 18px;font-size:12.5px;letter-spacing:.1em;
  background:rgba(255,253,249,.10);border:1px solid rgba(243,237,228,.24);color:rgba(243,237,228,.86);
}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--clay);}
.hero h1{color:#FFF8F0;margin:26px 0 22px;}
.hero-lead{font-size:16.5px;line-height:1.95;color:rgba(243,237,228,.78);max-width:760px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.countdown{
  display:inline-flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px;
  background:rgba(255,253,249,.08);border:1px solid rgba(243,237,228,.20);
  border-radius:999px;padding:8px 12px 8px 20px;backdrop-filter:blur(6px);
}
.countdown-label{font-size:13px;color:rgba(243,237,228,.76);letter-spacing:.02em;}
.countdown-nums{display:flex;gap:6px;align-items:center;}
.countdown-cell{
  background:rgba(184,92,56,.92);border-radius:999px;padding:4px 12px;
  font-size:13px;font-weight:700;color:#FFF8F0;font-variant-numeric:tabular-nums;
}
.countdown-dot{color:rgba(243,237,228,.45);font-size:12px;}
.hero-stats{
  position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(243,237,228,.18);margin-top:60px;
}
.hero-stat{padding:24px 22px;border-left:1px solid rgba(243,237,228,.18);}
.hero-stat:first-child{border-left:0;padding-left:0;}
.hero-stat b{display:block;font-family:var(--serif);font-size:26px;color:#FFF8F0;line-height:1.2;}
.hero-stat span{font-size:13px;color:rgba(243,237,228,.62);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative;}
.section--alt{background:var(--bg-2);}
.section--ink{background:var(--ink);color:#F3EDE4;}
.section--ink h2,.section--ink h3{color:#FFF8F0;}
.section--line{border-top:1px solid var(--line);}
.section-head{max-width:780px;margin-bottom:52px;}
.section-head h2{margin-bottom:16px;}
.section-head p{color:var(--ink-2);font-size:16px;line-height:1.9;max-width:720px;}
.h2-deco::before{content:"";display:block;width:48px;height:3px;border-radius:2px;background:var(--clay);margin-bottom:22px;}
.section--ink .h2-deco::before{background:var(--clay);}

/* ---------- 痛点墙 ---------- */
.pain-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:64px;align-items:start;}
.pain-list{border-top:1px solid var(--line);}
.pain-item{
  display:grid;grid-template-columns:86px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--line);align-items:start;
  transition:transform .25s ease,padding-left .25s ease;
}
.pain-item:hover{transform:translateX(4px);}
.pain-num{font-family:var(--serif);font-size:34px;line-height:1;color:rgba(184,92,56,.34);font-weight:700;}
.pain-item h3{margin-bottom:6px;font-size:19px;}
.pain-item p{color:var(--ink-2);font-size:15px;margin:0;}
.pain-aside{
  border-radius:var(--r-card);padding:34px 30px;background:var(--paper);
  border:1px solid var(--line);box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.pain-aside::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.7;
  background-image:
    repeating-linear-gradient(90deg,rgba(226,216,201,.9) 0 1px,transparent 1px 42px),
    repeating-linear-gradient(0deg,rgba(226,216,201,.9) 0 1px,transparent 1px 42px);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.pain-aside > *{position:relative;z-index:1;}
.pain-aside .quote-mark{font-family:var(--serif);font-size:52px;line-height:1;color:rgba(158,75,94,.28);}
.pain-aside p{font-size:16px;line-height:1.9;color:var(--ink);margin:8px 0 18px;}
.pain-aside small{font-size:13px;color:var(--ink-2);}

/* ---------- 解决方案 ---------- */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.solution-left h2{margin-bottom:18px;}
.solution-left p{color:var(--ink-2);font-size:16px;line-height:1.9;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--clay);
  border-bottom:1px solid rgba(184,92,56,.35);padding-bottom:3px;transition:gap .22s ease,color .2s ease;
}
.text-link:hover{gap:14px;color:var(--clay-deep);border-bottom-color:var(--clay-deep);}
.solution-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.solution-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.solution-card:nth-child(2),.solution-card:nth-child(4){margin-top:32px;}
.solution-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.34);}
.solution-card .ico{width:42px;height:42px;margin-bottom:16px;color:var(--clay);}
.solution-card h3{font-size:18px;margin-bottom:8px;}
.solution-card p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin:0;}
.solution-card--ink{background:var(--ink);border-color:var(--ink);}
.solution-card--ink h3{color:#FFF8F0;}
.solution-card--ink p{color:rgba(243,237,228,.68);}
.solution-card--ink .ico{color:#E8A98B;}
.solution-card--ink:hover{border-color:var(--ink);box-shadow:0 18px 42px rgba(31,29,26,.22);}

/* ---------- 方法步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);padding-top:44px;}
.step{position:relative;padding:0 26px 0 0;}
.step:last-child{padding-right:0;}
.step-num{
  font-family:var(--serif);font-size:52px;line-height:1;color:rgba(184,92,56,.28);
  font-weight:700;display:block;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin:0;}
.step::after{
  content:"";position:absolute;left:0;top:-45px;width:1px;height:26px;background:var(--line);
}
.step:first-child::after{background:var(--clay);}

/* ---------- 成果数据 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);align-items:start;}
.stat-item{padding:10px 30px;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-value{font-family:var(--serif);font-size:44px;line-height:1.05;color:var(--clay);font-weight:700;}
.stat-unit{font-size:15px;color:var(--ink-2);margin-left:2px;}
.stat-label{font-size:14px;color:var(--ink-2);margin-top:12px;line-height:1.7;}

/* ---------- 证言 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:start;}
.voice-card{
  background:rgba(255,253,249,.055);border:1px solid rgba(243,237,228,.16);
  border-radius:var(--r-card);padding:32px 28px;
  transition:background .28s ease,border-color .28s ease,transform .28s ease;
}
.voice-card:nth-child(2){margin-top:44px;}
.voice-card:hover{background:rgba(255,253,249,.09);border-color:rgba(243,237,228,.3);transform:translateY(-3px);}
.voice-mark{font-family:var(--serif);font-size:48px;line-height:1;color:rgba(184,92,56,.75);}
.voice-card p{font-size:17px;line-height:1.9;color:rgba(243,237,228,.86);margin:10px 0 24px;}
.voice-user{display:flex;align-items:center;gap:12px;}
.voice-avatar{width:48px;height:48px;border-radius:50%;overflow:hidden;flex:0 0 48px;background:rgba(243,237,228,.12);}
.voice-avatar img{width:100%;height:100%;object-fit:cover;}
.voice-name{font-size:14.5px;color:#FFF8F0;font-weight:600;line-height:1.4;}
.voice-city{font-size:12.5px;color:rgba(243,237,228,.55);}

/* ---------- 适用人群 ---------- */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.people-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;transition:border-color .26s ease,transform .26s ease,box-shadow .26s ease;
}
.people-card:hover{border-color:var(--clay);transform:translateY(-3px);box-shadow:var(--shadow-1);}
.people-card h3{font-size:18px;margin-bottom:8px;}
.people-card p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:14px;}
.people-card .text-link{font-size:13.5px;}

/* ---------- 专题入口 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  display:block;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.32);}
.topic-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.04);}
.topic-body{padding:24px 24px 26px;}
.topic-body h3{font-size:19px;margin-bottom:8px;}
.topic-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-bottom:14px;}
.topic-meta{font-size:12.5px;color:var(--ink-2);letter-spacing:.02em;}

/* ---------- 热门话题 ---------- */
.topics-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:start;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag-pill{
  display:inline-flex;align-items:center;border-radius:999px;padding:8px 18px;font-size:14px;
  border:1px solid rgba(158,75,94,.34);color:var(--rose);background:transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
}
.tag-pill:hover{background:rgba(158,75,94,.10);border-color:var(--rose);color:var(--rose);transform:translateY(-1px);}
.hot-list{border-top:1px solid var(--line);}
.hot-item{
  display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.hot-item a{font-size:16px;line-height:1.6;color:var(--ink);transition:color .2s ease;}
.hot-item a:hover{color:var(--clay);}
.hot-item time{font-size:12.5px;color:var(--ink-2);white-space:nowrap;}

/* ---------- 安全礼仪 ---------- */
.rule-list{border-top:1px solid var(--line);}
.rule-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;align-items:start;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.rule-check{
  width:26px;height:26px;border-radius:50%;flex:0 0 26px;margin-top:3px;
  background:rgba(110,128,104,.14);color:var(--sage);
  display:flex;align-items:center;justify-content:center;
}
.rule-item h3{font-size:17px;margin-bottom:5px;}
.rule-item p{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8;}

/* ---------- 资讯列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.3);}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);display:block;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.post-body .badge{align-self:flex-start;margin-bottom:12px;}
.post-title{font-size:17.5px;line-height:1.55;margin-bottom:10px;}
.post-title a{color:var(--ink);transition:color .2s ease;}
.post-card:hover .post-title a{color:var(--clay-deep);}
.post-excerpt{
  font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px;
}
.post-meta a{color:var(--clay);font-weight:600;}
.post-meta a:hover{color:var(--clay-deep);}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:var(--paper);color:var(--ink-2);
}
.empty-state svg{width:44px;height:44px;color:var(--clay);opacity:.65;margin:0 auto 16px;}
.empty-state p{font-size:15px;margin:0;}

/* ---------- 运行指标 ---------- */
.metrics{display:grid;gap:26px;max-width:900px;}
.metric-row{display:grid;grid-template-columns:180px 1fr 92px;gap:20px;align-items:center;}
.metric-name{font-size:15px;color:var(--ink);}
.metric-track{height:8px;border-radius:999px;background:var(--line);overflow:hidden;}
.metric-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--clay),var(--clay-deep));width:0;transition:width 1.2s cubic-bezier(.22,.68,.32,1);}
.metric-num{font-family:var(--serif);font-size:19px;color:var(--clay);text-align:right;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;font-family:var(--serif);font-size:18px;font-weight:700;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-ico{
  position:relative;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);transition:transform .18s ease,border-color .2s ease;
}
.faq-item summary .faq-ico::before,
.faq-item summary .faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--clay);border-radius:2px;
}
.faq-item summary .faq-ico::before{width:11px;height:1.5px;}
.faq-item summary .faq-ico::after{width:1.5px;height:11px;}
.faq-item summary:hover{color:var(--clay);}
.faq-item[open] summary{color:var(--clay);}
.faq-item[open] summary .faq-ico{transform:rotate(135deg);border-color:var(--clay);}
.faq-answer{padding:0 0 24px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ---------- 转化区 ---------- */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start;}
.join-left h2{color:#FFF8F0;margin-bottom:18px;}
.join-left p{color:rgba(243,237,228,.72);font-size:15.5px;line-height:1.9;}
.join-points{margin-top:26px;display:grid;gap:14px;}
.join-point{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:rgba(243,237,228,.8);}
.join-point .dot{width:8px;height:8px;border-radius:50%;background:var(--clay);flex:0 0 8px;margin-top:9px;}
.join-form{display:grid;gap:22px;}
.field label{display:block;font-size:12.5px;letter-spacing:.06em;color:rgba(243,237,228,.62);margin-bottom:4px;}
.field input,.field select{
  width:100%;background:transparent;border:0;border-bottom:1px solid rgba(243,237,228,.26);
  border-radius:0;color:#F7F2EA;padding:10px 2px;font-size:16px;font-family:inherit;
  transition:border-color .2s ease,padding-bottom .2s ease;
}
.field input::placeholder{color:rgba(243,237,228,.32);}
.field input:focus,.field select:focus{
  outline:none;border-bottom:2px solid var(--clay);padding-bottom:9px;
}
.field select option{color:#1F1D1A;background:#FFFDF9;}
.form-note{font-size:12.5px;color:rgba(243,237,228,.5);line-height:1.7;}

/* ---------- 最后 CTA 条 ---------- */
.final-strip{
  position:relative;overflow:hidden;background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.final-strip::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    repeating-linear-gradient(90deg,rgba(226,216,201,.85) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(226,216,201,.85) 0 1px,transparent 1px 48px);
}
.final-strip-inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;
  gap:28px;padding:44px 0;flex-wrap:wrap;
}
.final-strip-inner p{font-family:var(--serif);font-size:clamp(19px,2.1vw,25px);font-weight:700;color:var(--ink);margin:0;line-height:1.5;}
.final-strip-inner span{display:block;font-family:var(--sans);font-size:14px;font-weight:400;color:var(--ink-2);margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE4;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;}
.footer-brand .brand-mark{color:#FFF8F0;font-size:22px;}
.footer-brand .brand-sub{color:rgba(243,237,228,.5);}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(243,237,228,.62);margin:20px 0 16px;max-width:320px;}
.footer-brand small{font-size:12.5px;color:rgba(243,237,228,.42);letter-spacing:.04em;}
.footer-col h4{font-family:var(--serif);font-size:16px;color:#FFF8F0;margin-bottom:18px;}
.footer-col a{display:block;font-size:14px;color:rgba(243,237,228,.66);padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--clay);text-decoration:underline;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(243,237,228,.14);margin-top:52px;padding:24px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(243,237,228,.52);line-height:1.8;
}
.footer-bottom a{color:rgba(243,237,228,.72);}
.footer-bottom a:hover{color:var(--clay);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .solution-grid{gap:40px;}
  .topics-wrap{gap:40px;}
  .join-grid{gap:44px;}
}
@media (max-width:991.98px){
  body{padding-bottom:74px;}
  .section{padding:68px 0;}
  .hero{padding:76px 0 0;}
  .main-nav{
    position:fixed;inset:0;z-index:1045;background:var(--paper);
    flex-direction:column;align-items:stretch;justify-content:center;gap:8px;
    padding:88px 28px 32px;transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .36s cubic-bezier(.22,.68,.32,1),opacity .3s ease;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav .nav-link{
    font-family:var(--serif);font-size:24px;padding:16px 4px;color:var(--ink);
    border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .nav-close{display:flex;}
  .header-cta{display:none;}
  .mobile-cta{display:block;}
  .nav-backdrop.show{opacity:1;pointer-events:auto;}
  .hero-stats{grid-template-columns:repeat(2,1fr);margin-top:44px;}
  .hero-stat{padding:20px 18px;border-left:1px solid rgba(243,237,228,.18);}
  .hero-stat:nth-child(odd){border-left:0;padding-left:0;}
  .hero-stat:nth-child(3),.hero-stat:nth-child(4){border-top:1px solid rgba(243,237,228,.18);}
  .pain-wrap{grid-template-columns:1fr;gap:36px;}
  .solution-grid{grid-template-columns:1fr;}
  .solution-card:nth-child(2),.solution-card:nth-child(4){margin-top:0;}
  .steps{grid-template-columns:repeat(2,1fr);gap:36px 0;}
  .step{padding-right:24px;}
  .step::after{display:none;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 0;}
  .stat-item{padding:0 24px;}
  .stat-item:nth-child(odd){border-left:0;padding-left:0;}
  .voice-grid{grid-template-columns:1fr;gap:20px;}
  .voice-card:nth-child(2){margin-top:0;}
  .people-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .topics-wrap{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .join-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .metric-row{grid-template-columns:130px 1fr 74px;gap:14px;}
}
@media (max-width:767.98px){
  .container{padding:0 20px;}
  .header-inner{height:68px;gap:16px;}
  .brand-mark{font-size:19px;}
  .brand-sub{font-size:10.5px;letter-spacing:.12em;}
  .hero{padding:60px 0 0;}
  .hero h1{margin:20px 0 18px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .countdown{padding:8px 10px 8px 16px;gap:10px;}
  .pain-item{grid-template-columns:60px 1fr;gap:16px;}
  .pain-num{font-size:28px;}
  .steps{grid-template-columns:1fr;gap:30px;}
  .stats-grid{grid-template-columns:1fr;gap:0;}
  .stat-item{border-left:0;padding:20px 0;border-top:1px solid var(--line);}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .people-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:1fr;gap:8px;}
  .metric-num{text-align:left;}
  .final-strip-inner{padding:34px 0;flex-direction:column;align-items:flex-start;gap:18px;}
  .final-strip-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:34px;}
  .faq-item summary{font-size:16.5px;padding:18px 0;}
}
@media (max-width:575.98px){
  .hero-stats{grid-template-columns:1fr;}
  .hero-stat{border-left:0;padding-left:0;border-top:1px solid rgba(243,237,228,.18);}
  .hero-stat:first-child{border-top:0;}
  .solution-cards{grid-template-columns:1fr;}
  .voice-card{padding:26px 22px;}
  .post-body{padding:20px 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --ink:#1F1D1A;
  --ink-2:#6B6259;
  --clay:#B85C38;
  --clay-deep:#8E4326;
  --rose:#9E4B5E;
  --sage:#6E8068;
  --bg:#F7F2EA;
  --bg-2:#EFE7DC;
  --paper:#FFFDF9;
  --line:#E2D8C9;
  --shadow-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --shadow-2:0 2px 4px rgba(31,29,26,.06),0 16px 40px rgba(31,29,26,.10);
  --r-card:18px;
  --r-img:14px;
  --r-input:10px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","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:16px;line-height:1.85;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
button{font-family:inherit;}
h1,h2,h3,h4{font-family:var(--serif);font-weight:700;letter-spacing:-.01em;margin:0;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;letter-spacing:.01em;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
.btn-primary{background:var(--clay);color:#FFF8F0;box-shadow:0 6px 18px rgba(184,92,56,.22);}
.btn-primary:hover{background:var(--clay-deep);color:#FFF8F0;transform:translateY(-1px);box-shadow:0 10px 26px rgba(142,67,38,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,67,38,.24);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.04);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:11px 22px;font-size:14px;}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--bg-2);color:var(--ink-2);white-space:nowrap;
}
.badge-rose{background:rgba(158,75,94,.10);color:var(--rose);}
.badge-clay{background:rgba(184,92,56,.12);color:var(--clay-deep);}
.badge-sage{background:rgba(110,128,104,.12);color:var(--sage);}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--paper);border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(31,29,26,.10);background:rgba(255,253,249,.94);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-mark{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;transition:color .2s ease;}
.brand-mark::after{content:"";display:inline-block;width:8px;height:8px;border-radius:2px;background:var(--clay);margin-left:7px;vertical-align:middle;}
.brand:hover .brand-mark{color:var(--clay-deep);}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--ink-2);margin-top:5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);border-radius:8px;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
.nav-close{
  display:none;position:fixed;top:18px;right:20px;z-index:1050;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1029;display:none;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(247,242,234,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-cta .btn{width:100%;}
/* ---------- 通用板块 ---------- */
.section{padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--clay);text-transform:uppercase;}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--clay);}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-top:12px;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-visible{opacity:1;transform:none;}
/* ---------- 面包屑条 ---------- */
.crumb-bar{background:var(--paper);border-bottom:1px solid var(--line);padding:15px 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--clay);}
.crumb .sep{opacity:.45;}
.crumb .current{color:var(--ink);font-weight:500;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- 文章头部 ---------- */
.article-head{background:var(--bg);padding:52px 0 44px;border-bottom:1px solid transparent;}
.article-head-grid{display:flex;align-items:flex-end;justify-content:space-between;gap:36px;}
.article-head-main{max-width:840px;}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.3;letter-spacing:-.02em;margin:18px 0 20px;color:var(--ink);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;font-size:13.5px;color:var(--ink-2);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.share-box{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding-bottom:6px;}
.share-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--paper);
  color:var(--ink-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.share-btn:hover{color:var(--clay);border-color:var(--clay);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.share-btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
/* ---------- 封面 ---------- */
.cover-sec{background:var(--bg);padding:0 0 56px;}
.cover-frame{max-width:960px;margin:0 auto;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.cover-frame img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.cover-frame:hover img{transform:scale(1.03);}
/* ---------- 正文 ---------- */
.body-sec{background:var(--paper);padding:64px 0 76px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.prose{max-width:720px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--ink);word-break:break-word;}
.prose h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.45;margin:52px 0 18px;padding-left:16px;
  border-left:3px solid var(--clay);
}
.prose h3{font-size:20px;line-height:1.5;margin:34px 0 12px;}
.prose h2:first-child,.prose h3:first-child{margin-top:0;}
.prose p{margin:0 0 20px;}
.prose a{color:var(--clay);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.prose a:hover{color:var(--clay-deep);}
.prose img{border-radius:var(--r-img);margin:26px 0 12px;width:100%;height:auto;}
.prose figure{margin:26px 0;}
.prose figure img{margin:0 0 10px;}
.prose figcaption,.prose .caption{font-size:13px;color:var(--ink-2);text-align:center;margin-bottom:8px;}
.prose blockquote{
  margin:28px 0;padding:20px 26px;background:var(--bg-2);border-left:3px solid var(--clay);
  border-radius:0 12px 12px 0;font-style:italic;color:var(--ink);
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose ul,.prose ol{padding-left:24px;margin:0 0 22px;}
.prose li{margin-bottom:10px;line-height:1.8;}
.prose strong{font-weight:700;color:var(--ink);}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;}
.prose th,.prose td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.prose th{background:var(--bg-2);font-weight:600;}
.empty-article{text-align:center;padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg);}
.empty-article svg{color:var(--clay);margin-bottom:18px;}
.empty-article h2{border:0;padding:0;margin:0 0 12px;font-size:24px;}
.empty-article p{color:var(--ink-2);font-size:15px;margin-bottom:24px;}
/* ---------- 要点卡 ---------- */
.keypoints-sec{background:var(--bg-2);padding:64px 0;}
.keypoints{
  max-width:960px;margin:0 auto;background:var(--bg-2);border-radius:var(--r-card);
  display:grid;grid-template-columns:0.8fr 1.4fr;gap:36px;align-items:start;padding:8px 0;
}
.keypoints h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin:14px 0 10px;}
.keypoints .kp-note{font-size:13.5px;color:var(--ink-2);margin:0;}
.kp-list{list-style:none;padding:0;margin:0;}
.kp-list li{
  display:flex;gap:14px;padding:16px 0;border-top:1px solid rgba(226,216,201,.9);font-size:15.5px;line-height:1.7;
}
.kp-list li:first-child{border-top:0;padding-top:4px;}
.kp-num{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;background:rgba(184,92,56,.12);color:var(--clay-deep);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-family:var(--serif);
}
/* ---------- 作者卡 ---------- */
.author-sec{background:var(--bg);padding:56px 0;}
.author-card{
  max-width:960px;margin:0 auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--shadow-1);transition:box-shadow .28s ease,border-color .28s ease;
}
.author-card:hover{border-color:rgba(184,92,56,.42);box-shadow:var(--shadow-2);}
.author-avatar{width:64px;height:64px;border-radius:50%;object-fit:cover;flex:0 0 auto;border:2px solid var(--bg-2);}
.author-info{flex:1 1 260px;min-width:200px;}
.author-info h3{font-size:18px;margin-bottom:6px;}
.author-info p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.7;}
/* ---------- 相关推荐 ---------- */
.related-sec{background:var(--bg);padding:0 0 76px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.42);color:inherit;}
.rel-thumb{overflow:hidden;}
.rel-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{
  font-size:16.5px;line-height:1.6;font-family:var(--sans);font-weight:600;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-time{font-size:13px;color:var(--ink-2);margin-top:auto;}
.rel-empty{
  grid-column:1/-1;text-align:center;padding:44px 24px;border:1px dashed var(--line);
  border-radius:var(--r-card);background:var(--paper);color:var(--ink-2);font-size:14.5px;
}
.rel-empty a{color:var(--clay);text-decoration:underline;text-underline-offset:3px;}
/* ---------- 文末转化 ---------- */
.cta-sec{background:var(--ink);color:#F3EDE4;padding:64px 0 72px;position:relative;overflow:hidden;}
.cta-sec::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(243,237,228,.05) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(243,237,228,.05) 0 1px,transparent 1px 48px);
}
.cta-inner{position:relative;z-index:2;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(243,237,228,.72);}
.link-arrow:hover{color:#DFA085;}
.cta-box{
  margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  border-top:1px solid rgba(243,237,228,.16);padding-top:34px;
}
.cta-box h2{font-size:clamp(24px,3vw,36px);line-height:1.3;color:#F3EDE4;max-width:640px;}
.cta-box p{color:rgba(243,237,228,.66);font-size:14.5px;margin:12px 0 0;max-width:620px;}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE4;padding:72px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:42px;}
.footer-brand .brand-mark{color:#F3EDE4;}
.footer-brand .brand-mark::after{background:var(--clay);}
.footer-brand .brand-sub{color:rgba(243,237,228,.5);}
.footer-brand p{color:rgba(243,237,228,.66);font-size:14px;line-height:1.8;margin:16px 0 14px;max-width:350px;}
.footer-brand small{display:block;color:rgba(243,237,228,.45);font-size:12.5px;line-height:1.7;letter-spacing:.02em;}
.footer-col h4{font-family:var(--serif);font-size:15px;color:#F3EDE4;margin-bottom:16px;letter-spacing:.04em;}
.footer-col a{display:block;color:rgba(243,237,228,.66);font-size:14px;padding:5px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#DFA085;text-decoration:underline;text-underline-offset:3px;padding-left:3px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(243,237,228,.14);margin-top:48px;padding-top:24px;
  font-size:13px;color:rgba(243,237,228,.5);
}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .related-grid{grid-template-columns:repeat(3,1fr);gap:20px;}
  .container{max-width:1080px;}
}
@media (max-width:991px){
  .section{padding:56px 0;}
  .header-inner{height:70px;gap:16px;}
  .main-nav{
    position:fixed;inset:0;z-index:1045;flex-direction:column;align-items:flex-start;justify-content:center;gap:6px;
    background:var(--paper);padding:90px 32px 120px;transform:translateX(100%);
    transition:transform .34s cubic-bezier(.4,0,.2,1);overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .main-nav .nav-link{font-family:var(--serif);font-size:23px;font-weight:600;color:var(--ink);padding:13px 0;width:100%;border-bottom:1px solid var(--line);}
  .main-nav .nav-link::after{display:none;}
  .nav-toggle{display:inline-flex;}
  body.nav-open .nav-close{display:inline-flex;}
  .mobile-cta{display:block;}
  body{padding-bottom:64px;}
  .article-head-grid{flex-direction:column;align-items:flex-start;gap:24px;}
  .article-head{padding:40px 0 36px;}
  .keypoints{grid-template-columns:1fr;gap:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-box{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .related-grid{grid-template-columns:1fr;gap:18px;}
  .cover-sec{padding-bottom:40px;}
  .body-sec{padding:44px 0 52px;}
  .prose{font-size:16.5px;line-height:1.88;}
  .prose h2{margin-top:38px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;}
  .author-card{padding:20px;}
  .header-cta{padding:10px 16px;font-size:13px;}
  .brand-mark{font-size:19px;}
  .brand-sub{font-size:10.5px;letter-spacing:.12em;}
  .article-meta{font-size:13px;gap:8px 16px;}
  .crumb .current{max-width:100%;}
}
@media (max-width:519px){
  .header-inner{gap:10px;}
  .header-cta span{display:none;}
  .header-cta{padding:11px 14px;}
  .share-box{gap:8px;}
  .share-btn{width:40px;height:40px;}
  .kp-list li{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#1F1D1A;
  --ink-2:#6B6259;
  --clay:#B85C38;
  --clay-deep:#8E4326;
  --rose:#9E4B5E;
  --sage:#6E8068;
  --bg:#F7F2EA;
  --bg-2:#EFE7DC;
  --paper:#FFFDF9;
  --line:#E2D8C9;
  --shadow-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --shadow-2:0 2px 4px rgba(31,29,26,.06),0 16px 40px rgba(31,29,26,.10);
  --r-card:18px;
  --r-img:14px;
  --r-input:10px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","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:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
button{font-family:inherit;}
p{margin:0 0 1em;}
h1,h2,h3,h4{font-family:var(--serif);color:var(--ink);letter-spacing:-.01em;margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(184,92,56,.18);color:var(--ink);}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1.1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
.btn-primary{background:var(--clay);color:#FFF8F0;box-shadow:0 6px 18px rgba(184,92,56,.22);}
.btn-primary:hover{background:var(--clay-deep);color:#FFF8F0;transform:translateY(-1px);box-shadow:0 10px 26px rgba(142,67,38,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,67,38,.24);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.04);}
.btn-ghost-light{background:rgba(255,253,249,.08);color:#F3EDE4;border-color:rgba(243,237,228,.34);}
.btn-ghost-light:hover{background:rgba(255,253,249,.16);border-color:#F3EDE4;color:#FFF8F0;transform:translateY(-1px);}
.btn-sm{padding:11px 22px;font-size:14px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--bg-2);color:var(--ink-2);white-space:nowrap;
}
.badge-rose{background:rgba(158,75,94,.10);color:var(--rose);}
.badge-sage{background:rgba(110,128,104,.12);color:var(--sage);}
.badge-clay{background:rgba(184,92,56,.12);color:var(--clay-deep);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(31,29,26,.10);background:rgba(255,253,249,.94);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-mark{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;transition:color .2s ease;}
.brand-mark::after{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--clay);margin-left:7px;vertical-align:middle;
}
.brand:hover .brand-mark{color:var(--clay-deep);}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--ink-2);margin-top:5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);border-radius:8px;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
.nav-close{
  display:none;position:fixed;top:18px;right:20px;z-index:1050;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-close.is-visible{display:inline-flex;}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(31,29,26,.42);opacity:0;pointer-events:none;
  transition:opacity .3s ease;z-index:1040;
}
.nav-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1029;display:none;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(247,242,234,.97);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-cta .btn{width:100%;}

/* ---------- 栏目页头 ---------- */
.page-head{position:relative;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line);padding:36px 0 56px;}
.page-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    repeating-linear-gradient(90deg,rgba(31,29,26,.05) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(31,29,26,.05) 0 1px,transparent 1px 48px);
}
.page-head-inner{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:26px;}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--clay);}
.crumbs .sep{color:#C9BCA8;}
.crumbs .now{color:var(--clay-deep);font-weight:500;}
.page-head-grid{display:grid;grid-template-columns:1.4fr .85fr;gap:52px;align-items:center;}
.page-head h1{font-size:clamp(30px,3.4vw,46px);line-height:1.18;margin:14px 0 16px;}
.page-head .lead{font-size:16px;line-height:1.85;color:var(--ink-2);max-width:58ch;margin:0 0 22px;}
.head-stats{display:flex;flex-wrap:wrap;gap:8px 26px;font-size:13.5px;color:var(--ink-2);}
.head-stats span{display:inline-flex;align-items:baseline;gap:6px;}
.head-stats b{font-family:var(--serif);font-size:17px;color:var(--clay-deep);}
.head-cover{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1);aspect-ratio:16/11;background:var(--paper);}
.head-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.head-cover:hover img{transform:scale(1.03);}
.head-cover::after{content:"";position:absolute;inset:10px;border:1px solid rgba(255,253,249,.55);border-radius:10px;pointer-events:none;}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-ink{background:var(--ink);color:#F3EDE4;}
.section-head{max-width:660px;margin-bottom:44px;}
.kicker{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;letter-spacing:.14em;
  color:var(--clay-deep);text-transform:uppercase;margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:2px;background:var(--clay);border-radius:2px;}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.26;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:15.5px;margin:0;}
.section-ink .section-head h2{color:#F3EDE4;}
.section-ink .section-head p{color:rgba(243,237,228,.66);}
.section-ink .kicker{color:#E7A886;}
.section-ink .kicker::before{background:#C97A52;}

/* ---------- 活动卡片（双列） ---------- */
.event-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.event-card{
  display:grid;grid-template-columns:100px minmax(0,1fr);gap:22px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.event-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.42);}
.date-block{
  align-self:start;text-align:center;padding:16px 8px 13px;border-radius:14px;
  background:rgba(184,92,56,.08);border:1px solid rgba(184,92,56,.20);
}
.date-block .d{font-family:var(--serif);font-size:30px;line-height:1;color:var(--clay-deep);display:block;}
.date-block .m{display:block;font-size:12px;letter-spacing:.12em;color:var(--ink-2);margin-top:7px;}
.event-body{min-width:0;}
.event-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:4px;}
.event-card h3{font-size:19.5px;line-height:1.4;margin:10px 0 8px;}
.event-desc{font-size:14.2px;color:var(--ink-2);line-height:1.75;margin:0 0 16px;}
.seats{display:flex;align-items:center;gap:12px;}
.seats-track{flex:1 1 auto;height:6px;border-radius:999px;background:var(--line);overflow:hidden;}
.seats-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--clay),#D08256);}
.seats-num{font-size:12.5px;color:var(--ink-2);white-space:nowrap;}
.event-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-2);}
.event-foot .more{color:var(--clay-deep);font-weight:600;display:inline-flex;align-items:center;gap:5px;}
.event-foot .more:hover{color:var(--clay);gap:9px;transition:gap .2s ease;}

/* ---------- 城市筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:22px 26px;background:var(--paper);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
.filter-label{font-size:13.5px;color:var(--ink-2);margin-right:6px;letter-spacing:.04em;}
.pill{
  border-radius:999px;padding:8px 18px;font-size:13.5px;line-height:1.2;
  background:var(--bg-2);color:var(--ink-2);border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pill:hover{background:rgba(184,92,56,.10);color:var(--clay-deep);transform:translateY(-1px);}
.pill:focus-visible{outline:2px solid var(--clay);outline-offset:2px;}
.pill.is-active{background:var(--clay);color:#FFF8F0;border-color:var(--clay);box-shadow:0 6px 16px rgba(184,92,56,.22);}

/* ---------- 活动类型四宫格 ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.type-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.type-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.38);}
.type-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(184,92,56,.10);color:var(--clay-deep);margin-bottom:16px;
}
.type-card h3{font-size:18px;margin-bottom:9px;}
.type-card p{font-size:14px;color:var(--ink-2);line-height:1.78;margin:0;}

/* ---------- 参与流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;position:relative;}
.step{padding:0 34px;position:relative;}
.step:first-child{padding-left:0;}
.step:not(:last-child)::after{
  content:"";position:absolute;top:26px;right:0;width:1px;height:calc(100% - 26px);background:var(--line);
}
.step-num{font-family:var(--serif);font-size:46px;line-height:1;color:rgba(184,92,56,.34);display:block;margin-bottom:14px;}
.step h3{font-size:18.5px;margin-bottom:8px;}
.step p{font-size:14.2px;color:var(--ink-2);line-height:1.78;margin:0;}

/* ---------- 往期回顾 ---------- */
.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.gallery-item{margin:0;}
.gallery-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/11;background:var(--bg-2);box-shadow:var(--shadow-1);}
.gallery-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.gallery-item:hover .gallery-thumb img{transform:scale(1.04);}
.gallery-item figcaption{font-size:13.5px;color:var(--ink-2);margin-top:12px;line-height:1.7;}
.gallery-item figcaption b{display:block;font-family:var(--serif);font-size:15px;color:var(--ink);font-weight:600;margin-bottom:3px;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 2px;font-family:var(--serif);font-size:17.5px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--clay-deep);}
.faq-item summary:focus-visible{outline:2px solid var(--clay);outline-offset:2px;border-radius:6px;}
.faq-icon{position:relative;flex:0 0 22px;width:22px;height:22px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--clay);border-radius:2px;transition:transform .24s ease;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);}
.faq-item[open] summary{color:var(--clay-deep);}
.faq-body{padding:0 2px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:76ch;}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- 转化条 ---------- */
.join-bar{
  position:relative;overflow:hidden;background:var(--ink);color:#F3EDE4;
  border-radius:var(--r-card);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.join-bar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px);
}
.join-bar > *{position:relative;z-index:2;}
.join-bar h2{color:#F3EDE4;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:8px;}
.join-bar p{color:rgba(243,237,228,.68);font-size:14.5px;margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE4;padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:44px;}
.site-footer .brand-mark{color:#F3EDE4;}
.site-footer .brand-sub{color:rgba(243,237,228,.60);}
.footer-brand p{color:rgba(243,237,228,.66);font-size:14.2px;line-height:1.85;margin:18px 0 12px;max-width:36ch;}
.footer-brand small{display:block;font-size:12.5px;line-height:1.8;color:rgba(243,237,228,.48);}
.footer-col h4{font-size:15px;color:#F3EDE4;margin:0 0 16px;letter-spacing:.05em;}
.footer-col a{display:block;font-size:14px;color:rgba(243,237,228,.66);padding:6px 0;transition:color .2s ease;}
.footer-col a:hover{color:var(--clay);text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(243,237,228,.14);margin-top:52px;padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:12.5px;color:rgba(243,237,228,.50);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:1140px;}
  .page-head-grid{gap:36px;}
  .type-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .gallery{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
  .footer-col:last-child{grid-column:2 / span 2;}
}
@media (max-width:991.98px){
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,380px);
    background:var(--paper);flex-direction:column;align-items:flex-start;
    padding:88px 28px 36px;gap:2px;transform:translateX(106%);
    transition:transform .34s cubic-bezier(.2,.7,.3,1);z-index:1045;
    box-shadow:-14px 0 44px rgba(31,29,26,.16);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    width:100%;font-family:var(--serif);font-size:20px;color:var(--ink);
    padding:14px 0;border-bottom:1px solid var(--line);border-radius:0;
  }
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.active{color:var(--clay-deep);}
  .mobile-cta{display:block;}
  body{padding-bottom:82px;}
  .page-head{padding:28px 0 46px;}
  .page-head-grid{grid-template-columns:1fr;gap:30px;}
  .head-cover{max-width:520px;aspect-ratio:16/9;}
  .section{padding:66px 0;}
  .event-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 30px;border-left:1px solid var(--line);padding-left:24px;}
  .step:first-child{padding-left:24px;}
  .step:not(:last-child)::after{display:none;}
  .step:last-child{border-left-color:transparent;padding-bottom:0;}
  .step-num{font-size:38px;margin-bottom:8px;}
  .join-bar{padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-col:last-child{grid-column:auto;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:575.98px){
  .container{padding:0 20px;}
  .header-inner{height:68px;gap:14px;}
  .brand-mark{font-size:19px;}
  .brand-sub{font-size:10.5px;letter-spacing:.12em;}
  .page-head h1{font-size:29px;}
  .page-head .lead{font-size:15px;}
  .section{padding:54px 0;}
  .event-card{grid-template-columns:1fr;gap:16px;padding:22px;}
  .date-block{display:flex;align-items:baseline;justify-content:center;gap:10px;padding:10px;}
  .date-block .d{font-size:24px;}
  .date-block .m{margin-top:0;}
  .type-grid,.gallery{grid-template-columns:1fr;}
  .filter-bar{padding:18px;}
  .pill{padding:7px 14px;font-size:13px;}
  .faq-item summary{font-size:16px;padding:18px 0;}
  .join-bar{padding:28px 22px;}
  .join-bar .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --ink:#1F1D1A;
  --ink-2:#6B6259;
  --clay:#B85C38;
  --clay-deep:#8E4326;
  --rose:#9E4B5E;
  --sage:#6E8068;
  --bg:#F7F2EA;
  --bg-2:#EFE7DC;
  --paper:#FFFDF9;
  --line:#E2D8C9;
  --shadow-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --shadow-2:0 2px 4px rgba(31,29,26,.06),0 16px 40px rgba(31,29,26,.10);
  --r-card:18px;
  --r-img:14px;
  --r-input:10px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","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:16px;line-height:1.85;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
button{font-family:inherit;}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 24px;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
.btn-primary{background:var(--clay);color:#FFF8F0;box-shadow:0 6px 18px rgba(184,92,56,.22);}
.btn-primary:hover{background:var(--clay-deep);color:#FFF8F0;transform:translateY(-1px);box-shadow:0 10px 26px rgba(142,67,38,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,67,38,.24);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.04);}
.btn-ghost-light{background:rgba(255,253,249,.08);color:#F3EDE4;border-color:rgba(243,237,228,.34);}
.btn-ghost-light:hover{background:rgba(255,253,249,.16);border-color:#F3EDE4;color:#FFF8F0;transform:translateY(-1px);}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}
/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--bg-2);color:var(--ink-2);white-space:nowrap;
}
.badge-rose{background:rgba(158,75,94,.10);color:var(--rose);}
.badge-sage{background:rgba(110,128,104,.12);color:var(--sage);}
.badge-clay{background:rgba(184,92,56,.12);color:var(--clay-deep);}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(31,29,26,.10);background:rgba(255,253,249,.94);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-mark{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;transition:color .2s ease;}
.brand-mark::after{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--clay);margin-left:7px;vertical-align:middle;
}
.brand:hover .brand-mark{color:var(--clay-deep);}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--ink-2);margin-top:5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);border-radius:8px;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
.nav-close{
  display:none;position:fixed;top:18px;right:20px;z-index:1050;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
body.nav-open .nav-close{display:flex;}
/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1029;display:none;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(247,242,234,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-cta .btn{width:100%;}
/* ---------- 栏目页头 ---------- */
.page-hero{
  position:relative;background:var(--paper);border-bottom:1px solid var(--line);
  padding:40px 0 54px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.55;
  background-image:
    repeating-linear-gradient(90deg,rgba(226,216,201,.55) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(226,216,201,.55) 0 1px,transparent 1px 48px);
  mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 72%);
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 72%);
}
.crumbs{position:relative;z-index:2;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:26px;}
.crumbs a{color:var(--ink-2);}
.crumbs a:hover{color:var(--clay);}
.crumbs span{color:var(--line);}
.crumbs .crumbs-now{color:var(--clay-deep);}
.page-hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) 296px;
  gap:56px;align-items:center;
}
.page-hero-copy .badge{margin-bottom:20px;}
.page-hero-copy h1{
  font-family:var(--serif);font-weight:700;letter-spacing:-.02em;line-height:1.16;
  font-size:clamp(30px,3.4vw,44px);color:var(--ink);
}
.page-hero-copy .hero-lead{
  margin-top:18px;font-size:16px;line-height:1.9;color:var(--ink-2);max-width:620px;
}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:26px;}
.hero-stats span{
  font-size:13px;color:var(--ink-2);padding:0 20px;border-left:1px solid var(--line);
}
.hero-stats span:first-child{padding-left:0;border-left:0;}
.hero-stats strong{
  display:block;font-family:var(--serif);font-size:21px;color:var(--clay-deep);letter-spacing:-.01em;line-height:1.3;
}
.page-hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.page-hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s ease;}
.page-hero-media:hover img{transform:scale(1.03);}
/* ---------- 板块通用 ---------- */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-paper{background:var(--paper);border-top:1px solid var(--line);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:48px;margin-bottom:44px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:12px;font-weight:600;
  letter-spacing:.2em;color:var(--clay);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--clay);border-radius:2px;}
.sec-head h2,.faq-head h2{
  font-family:var(--serif);font-weight:700;letter-spacing:-.015em;line-height:1.26;
  font-size:clamp(25px,2.7vw,36px);color:var(--ink);
}
.sec-note{font-size:14.5px;color:var(--ink-2);max-width:400px;line-height:1.85;}
/* ---------- 话题单列大卡流 ---------- */
.topic-flow{display:flex;flex-direction:column;gap:22px;}
.topic-card{
  display:grid;grid-template-columns:290px minmax(0,1fr);gap:28px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);
  transition:box-shadow .28s ease,transform .28s ease,border-color .28s ease;
}
.topic-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#D8C9B4;}
.topic-thumb{border-radius:var(--r-img);overflow:hidden;background:var(--bg-2);}
.topic-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .6s ease;}
.topic-card:hover .topic-thumb img{transform:scale(1.03);}
.topic-body{display:flex;flex-direction:column;justify-content:center;padding:6px 8px 6px 0;}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.topic-body h3{
  font-family:var(--serif);font-size:21px;line-height:1.5;font-weight:700;color:var(--ink);
  letter-spacing:-.01em;
}
.topic-body p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}
.topic-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:16px;
  font-size:12.5px;color:var(--ink-2);
}
.topic-meta span+span{position:relative;padding-left:19px;}
.topic-meta span+span::before{
  content:"";position:absolute;left:0;top:50%;width:3px;height:3px;border-radius:50%;
  background:var(--line);transform:translateY(-50%);
}
/* ---------- 本周热议 Top5 ---------- */
.rank-grid{display:grid;grid-template-columns:minmax(0,0.78fr) minmax(0,1.22fr);gap:64px;align-items:start;}
.rank-head h2{
  font-family:var(--serif);font-weight:700;letter-spacing:-.015em;line-height:1.26;
  font-size:clamp(25px,2.7vw,36px);color:var(--ink);
}
.rank-head p{margin-top:16px;font-size:14.5px;color:var(--ink-2);line-height:1.9;max-width:360px;}
.rank-head .badge{margin-top:22px;}
.rank-list{border-top:1px solid var(--line);}
.rank-list li{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;align-items:start;
  padding:22px 6px;border-bottom:1px solid var(--line);
  transition:background .24s ease,padding-left .24s ease;
}
.rank-list li:hover{background:rgba(255,253,249,.72);padding-left:14px;}
.rank-no{
  font-family:var(--serif);font-size:26px;font-weight:700;color:rgba(184,92,56,.42);line-height:1.2;
}
.rank-list li:first-child .rank-no{color:var(--clay);}
.rank-list h3{font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);}
.rank-meta{margin-top:6px;font-size:12.5px;color:var(--ink-2);}
/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:8px;border-radius:999px;
  padding:9px 20px;font-size:14px;color:var(--ink-2);
  border:1px solid rgba(158,75,94,.32);background:rgba(255,253,249,.7);
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease;
  cursor:default;
}
.tag-pill:hover{background:var(--rose);border-color:var(--rose);color:#FFF6F2;transform:translateY(-1px);}
.tag-pill b{font-weight:600;font-size:12px;opacity:.7;}
/* ---------- 礼仪窄条 ---------- */
.etiquette{padding:0 0 96px;}
.etiquette-inner{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  border:1px solid rgba(110,128,104,.46);background:rgba(110,128,104,.08);
  border-radius:var(--r-card);padding:24px 30px;
}
.etiquette-icon{
  width:46px;height:46px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(110,128,104,.16);color:var(--sage);
}
.etiquette-copy{flex:1 1 340px;min-width:260px;}
.etiquette-copy h3{font-family:var(--serif);font-size:18px;color:var(--ink);margin-bottom:6px;}
.etiquette-copy p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.etiquette .btn{flex:0 0 auto;}
/* ---------- 活跃成员 ---------- */
.member-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:20px;}
.member-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 14px;text-align:center;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.member-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D8C9B4;}
.member-avatar{
  width:60px;height:60px;border-radius:50%;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:22px;font-weight:700;color:#FFF8F0;
  background:var(--av,var(--clay));letter-spacing:0;
  box-shadow:0 6px 16px rgba(31,29,26,.12);
}
.member-card h3{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;}
.member-card p{margin-top:6px;font-size:12.5px;color:var(--ink-2);line-height:1.7;}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,0.72fr) minmax(0,1.28fr);gap:64px;align-items:start;}
.faq-head p{margin-top:16px;font-size:14.5px;color:var(--ink-2);line-height:1.9;max-width:330px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  background:none;border:0;padding:22px 4px;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.65;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--clay);}
.faq-q:focus-visible{outline:2px solid var(--clay);outline-offset:4px;border-radius:6px;}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;margin-top:3px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--clay);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{width:14px;height:1.6px;}
.faq-icon::after{width:1.6px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-item.is-open .faq-q{color:var(--clay);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease;}
.faq-a p{padding:0 48px 24px 4px;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-item.is-open .faq-a{max-height:340px;}
/* ---------- 转化条 ---------- */
.cta-band{
  position:relative;background:var(--ink);color:#F3EDE4;padding:64px 0;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    repeating-linear-gradient(90deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{
  font-family:var(--serif);font-weight:700;font-size:clamp(23px,2.5vw,32px);
  line-height:1.35;letter-spacing:-.01em;color:#F3EDE4;max-width:640px;
}
.cta-inner p{margin-top:12px;font-size:14px;color:rgba(243,237,228,.68);letter-spacing:.02em;}
.cta-inner .btn-primary{box-shadow:0 10px 28px rgba(0,0,0,.28);}
.cta-inner .btn-primary:hover{box-shadow:0 14px 34px rgba(0,0,0,.34);}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE4;padding:76px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;}
.site-footer .brand-mark{color:#F3EDE4;}
.site-footer .brand-mark::after{background:var(--clay);}
.site-footer .brand-sub{color:rgba(243,237,228,.58);}
.footer-brand p{color:rgba(243,237,228,.66);font-size:14.5px;line-height:1.85;margin:18px 0 14px;max-width:330px;}
.footer-brand small{color:rgba(243,237,228,.48);font-size:12.5px;line-height:1.8;display:block;}
.footer-col h4{font-family:var(--serif);font-size:16px;color:#F3EDE4;margin-bottom:16px;letter-spacing:.01em;}
.footer-col a{display:block;font-size:14px;color:rgba(243,237,228,.66);padding:6px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--clay);text-decoration:underline;padding-left:4px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(243,237,228,.14);
  font-size:12.5px;color:rgba(243,237,228,.48);
}
/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-visible{opacity:1;transform:none;}
/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .member-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .topic-card{grid-template-columns:240px minmax(0,1fr);gap:22px;}
}
@media (max-width:991.98px){
  .container{padding:0 20px;}
  .section{padding:64px 0;}
  .etiquette{padding-bottom:64px;}
  .page-hero{padding:28px 0 44px;}
  .page-hero-inner{grid-template-columns:minmax(0,1fr);gap:30px;}
  .page-hero-media{max-width:420px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:32px;}
  .sec-note{max-width:none;}
  .rank-grid{grid-template-columns:minmax(0,1fr);gap:32px;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:32px;}
  .main-nav{
    position:fixed;inset:0;z-index:1045;background:var(--paper);
    flex-direction:column;align-items:stretch;justify-content:center;gap:6px;
    padding:88px 32px 40px;transform:translateX(100%);transition:transform .34s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav .nav-link{
    font-family:var(--serif);font-size:23px;font-weight:700;color:var(--ink);
    padding:16px 6px;border-bottom:1px solid var(--line);border-radius:0;
  }
  .main-nav .nav-link::after{display:none;}
  .main-nav .nav-link.active{color:var(--clay);}
  .nav-toggle{display:inline-flex;}
  .mobile-cta{display:block;}
  body{padding-bottom:0;}
  .site-footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:none;}
  .footer-bottom{margin-top:32px;}
}
@media (max-width:767.98px){
  .topic-card{grid-template-columns:minmax(0,1fr);padding:16px;gap:16px;}
  .topic-thumb img{aspect-ratio:16/10;}
  .topic-body{padding:0 2px 6px;}
  .topic-body h3{font-size:19px;}
  .member-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
  .member-card{padding:20px 10px;}
  .hero-stats span{padding:0 14px;}
  .hero-stats strong{font-size:18px;}
  .etiquette-inner{padding:20px;gap:16px;}
  .rank-list li{grid-template-columns:52px minmax(0,1fr);gap:12px;}
  .cta-band{padding:48px 0;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .header-inner{height:66px;gap:12px;}
  .brand-mark{font-size:18px;}
  .brand-sub{font-size:10.5px;letter-spacing:.1em;}
  .header-cta{display:none;}
  .page-hero-copy h1{font-size:28px;}
  .hero-stats{gap:14px 0;}
  .hero-stats span{font-size:12px;padding:0 12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-q{font-size:15.5px;padding:18px 2px;gap:16px;}
  .faq-a p{padding-right:12px;}
  .cta-inner{gap:24px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#1F1D1A;
  --ink-2:#6B6259;
  --clay:#B85C38;
  --clay-deep:#8E4326;
  --rose:#9E4B5E;
  --sage:#6E8068;
  --bg:#F7F2EA;
  --bg-2:#EFE7DC;
  --paper:#FFFDF9;
  --line:#E2D8C9;
  --shadow-1:0 1px 2px rgba(31,29,26,.04),0 8px 24px rgba(31,29,26,.06);
  --shadow-2:0 2px 4px rgba(31,29,26,.06),0 16px 40px rgba(31,29,26,.10);
  --r-card:18px;
  --r-img:14px;
  --r-input:10px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",serif;
  --sans:"Noto Sans SC","PingFang SC","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:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--clay);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(184,92,56,.18);}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 30px;font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn:focus-visible{outline:2px solid var(--clay);outline-offset:3px;}
.btn-primary{background:var(--clay);color:#FFF8F0;box-shadow:0 6px 18px rgba(184,92,56,.22);}
.btn-primary:hover{background:var(--clay-deep);color:#FFF8F0;transform:translateY(-1px);box-shadow:0 10px 26px rgba(142,67,38,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(142,67,38,.24);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.04);}
.btn-ghost-light{background:rgba(255,253,249,.08);color:#F3EDE4;border-color:rgba(243,237,228,.34);}
.btn-ghost-light:hover{background:rgba(255,253,249,.16);border-color:#F3EDE4;color:#FFF8F0;transform:translateY(-1px);}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;border-radius:999px;
  padding:5px 13px;font-size:12px;font-weight:500;letter-spacing:.02em;
  background:var(--bg-2);color:var(--ink-2);white-space:nowrap;
}
.badge-rose{background:rgba(158,75,94,.10);color:var(--rose);}
.badge-sage{background:rgba(110,128,104,.12);color:var(--sage);}
.badge-clay{background:rgba(184,92,56,.12);color:var(--clay-deep);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s ease,background .28s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 26px rgba(31,29,26,.10);background:rgba(255,253,249,.94);backdrop-filter:blur(10px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex:0 0 auto;}
.brand-mark{font-family:var(--serif);font-size:21px;font-weight:700;color:var(--ink);letter-spacing:.01em;transition:color .2s ease;}
.brand-mark::after{
  content:"";display:inline-block;width:8px;height:8px;border-radius:2px;
  background:var(--clay);margin-left:7px;vertical-align:middle;
}
.brand:hover .brand-mark{color:var(--clay-deep);}
.brand-sub{font-size:11.5px;letter-spacing:.16em;color:var(--ink-2);margin-top:5px;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:9px 13px;font-size:15px;color:var(--ink-2);border-radius:8px;white-space:nowrap;}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--clay);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--clay);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--ink);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--clay);color:var(--clay);}
.nav-close{
  display:none;position:fixed;top:18px;right:20px;z-index:1050;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1029;display:none;
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  background:rgba(247,242,234,.96);border-top:1px solid var(--line);backdrop-filter:blur(8px);
}
.mobile-cta .btn{width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--alt{background:var(--bg-2);border-top:1px solid var(--line);}
.section--paper{background:var(--paper);border-top:1px solid var(--line);}
.section--tight{padding:64px 0;}
.section-head{max-width:730px;margin-bottom:44px;}
.section-head h2{font-size:clamp(26px,3vw,38px);line-height:1.28;}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:15.5px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.18em;
  color:var(--clay);font-weight:600;margin-bottom:14px;text-transform:uppercase;
}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--clay);display:inline-block;}

/* ---------- 栏目页头 ---------- */
.channel-head{
  background:var(--paper);
  border-bottom:1px solid var(--line);
  padding:44px 0 52px;
  position:relative;
  overflow:hidden;
}
.channel-head::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    repeating-linear-gradient(90deg,rgba(184,92,56,.06) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(184,92,56,.06) 0 1px,transparent 1px 48px);
}
.channel-head-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:center;}
.breadcrumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--clay);}
.breadcrumb span.sep{color:var(--line);}
.channel-head h1{font-size:clamp(30px,3.6vw,46px);line-height:1.2;letter-spacing:-.02em;}
.channel-head .lead{margin-top:16px;color:var(--ink-2);font-size:15.5px;max-width:58ch;line-height:1.9;}
.channel-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.channel-stats .badge{background:var(--bg-2);color:var(--ink-2);font-size:12.5px;padding:6px 14px;}
.channel-cover{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  box-shadow:var(--shadow-1);border:1px solid var(--line);
}
.channel-cover img{width:100%;height:190px;object-fit:cover;transition:transform .5s ease;}
.channel-cover:hover img{transform:scale(1.03);}
.channel-cover::after{
  content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,253,249,.25);
  border-radius:var(--r-img);
}

/* ---------- 问答双栏 ---------- */
.qa-layout{display:grid;grid-template-columns:minmax(0,1fr) 348px;gap:44px;align-items:start;}
.qa-list{border-top:1px solid var(--line);}
.qa-item{
  padding:26px 22px 26px 20px;border-bottom:1px solid var(--line);
  border-radius:12px;
  transition:background .24s ease,transform .24s ease;
}
.qa-item:hover{background:var(--paper);transform:translateX(2px);box-shadow:var(--shadow-1);}
.qa-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.qa-top .qa-time{font-size:12.5px;color:var(--ink-2);}
.qa-title{font-size:19px;line-height:1.5;letter-spacing:-.01em;}
.qa-excerpt{margin-top:9px;color:var(--ink-2);font-size:14.5px;line-height:1.8;}
.qa-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;font-size:12.5px;color:var(--ink-2);}
.qa-meta .num{color:var(--clay-deep);font-weight:600;}
.qa-item .qa-enter{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13.5px;font-weight:600;color:var(--clay);
}
.qa-item .qa-enter svg{transition:transform .24s ease;}
.qa-item:hover .qa-enter svg{transform:translateX(3px);}

/* 侧栏 */
.qa-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16.5px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:3px;height:16px;border-radius:2px;background:var(--clay);display:inline-block;}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.side-tags a{
  font-size:12.5px;padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  color:var(--ink-2);background:var(--bg);transition:all .2s ease;
}
.side-tags a:hover{border-color:var(--clay);color:var(--clay);background:rgba(184,92,56,.06);}
.side-hot li{padding:13px 0;border-bottom:1px dashed var(--line);}
.side-hot li:last-child{border-bottom:0;padding-bottom:0;}
.side-hot .rank{
  display:inline-block;width:20px;font-family:var(--serif);font-size:13px;color:var(--rose);font-weight:700;
}
.side-hot .hot-title{font-size:14px;line-height:1.6;color:var(--ink);}
.side-hot .hot-meta{display:block;font-size:12px;color:var(--ink-2);margin-top:5px;}
.side-cta{background:var(--ink);border-color:var(--ink);}
.side-cta h3{color:#F3EDE4;}
.side-cta h3::before{background:var(--clay);}
.side-cta p{color:rgba(243,237,228,.7);font-size:13.5px;line-height:1.8;margin-bottom:18px;}

/* ---------- 高频困惑卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.confuse-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--shadow-1);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.confuse-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(184,92,56,.45);}
.confuse-card .idx{font-family:var(--serif);font-size:13px;color:var(--clay);letter-spacing:.14em;}
.confuse-card h3{font-size:18px;margin:12px 0 10px;line-height:1.5;}
.confuse-card p{font-size:14.2px;color:var(--ink-2);line-height:1.8;}
.confuse-card .tagline{margin-top:16px;display:inline-block;font-size:12.5px;color:var(--sage);font-weight:600;}

/* ---------- 编辑精选 ---------- */
.feature-list{display:flex;flex-direction:column;gap:22px;}
.feature-card{
  display:grid;grid-template-columns:300px minmax(0,1fr);gap:30px;align-items:center;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-1);transition:box-shadow .26s ease,transform .26s ease;
}
.feature-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.feature-thumb{border-radius:var(--r-img);overflow:hidden;background:var(--bg-2);}
.feature-thumb img{width:100%;height:186px;object-fit:cover;transition:transform .5s ease;}
.feature-card:hover .feature-thumb img{transform:scale(1.04);}
.feature-body h3{font-size:21px;line-height:1.45;margin:10px 0 12px;}
.feature-body p{font-size:14.5px;color:var(--ink-2);line-height:1.85;}
.feature-meta{display:flex;gap:18px;margin-top:16px;font-size:12.5px;color:var(--ink-2);}

/* ---------- 提问引导 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.step-item{position:relative;padding-top:26px;border-top:2px solid var(--line);}
.step-item::before{
  content:"";position:absolute;top:-2px;left:0;width:52px;height:2px;background:var(--clay);
}
.step-num{font-family:var(--serif);font-size:42px;line-height:1;color:rgba(184,92,56,.34);font-weight:700;}
.step-item h3{font-size:18px;margin:12px 0 10px;}
.step-item p{font-size:14.3px;color:var(--ink-2);line-height:1.85;}

/* ---------- 版规要点 ---------- */
.rules{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 44px;}
.rule-item{
  display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.rule-ico{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  background:rgba(110,128,104,.14);display:flex;align-items:center;justify-content:center;
  color:var(--sage);margin-top:2px;
}
.rule-item h3{font-size:16.5px;margin-bottom:6px;}
.rule-item p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 50px 22px 0;position:relative;
  font-family:var(--serif);font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-family:var(--sans);font-size:22px;font-weight:400;color:var(--clay);
  transition:transform .18s ease;
}
.faq-item[open] summary{color:var(--clay-deep);}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-item summary:focus-visible{outline:2px solid var(--clay);outline-offset:4px;border-radius:6px;}
.faq-body{padding:0 50px 24px 0;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ---------- 转化条 ---------- */
.cta-section{padding:0 0 88px;}
.cta-band{
  background:var(--ink);border-radius:24px;padding:52px 54px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;
  position:relative;overflow:hidden;box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.6;
  background-image:
    repeating-linear-gradient(90deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px),
    repeating-linear-gradient(0deg,rgba(243,237,228,.06) 0 1px,transparent 1px 48px);
}
.cta-band > *{position:relative;}
.cta-band h2{color:#F3EDE4;font-size:clamp(24px,2.6vw,32px);line-height:1.35;}
.cta-band p{color:rgba(243,237,228,.7);font-size:14.5px;margin-top:12px;max-width:52ch;line-height:1.85;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  border:1px solid rgba(243,237,228,.28);background:rgba(255,253,249,.06);
  color:#F3EDE4;border-radius:999px;padding:13px 22px;font-size:14.5px;min-width:230px;
  transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(243,237,228,.5);}
.cta-form input:focus{outline:none;border-color:var(--clay);background:rgba(255,253,249,.1);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F3EDE4;padding:72px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:48px;}
.footer-brand .brand-mark{color:#F3EDE4;}
.footer-brand .brand-mark::after{background:var(--clay);}
.footer-brand .brand-sub{color:rgba(243,237,228,.58);}
.footer-brand p{color:rgba(243,237,228,.72);line-height:1.9;margin:20px 0 14px;max-width:38ch;font-size:14px;}
.footer-brand small{color:rgba(243,237,228,.5);font-size:12.5px;display:block;line-height:1.9;}
.footer-col h4{font-size:15px;color:#F3EDE4;margin-bottom:16px;letter-spacing:.04em;}
.footer-col a{display:block;color:rgba(243,237,228,.68);padding:6px 0;font-size:14px;}
.footer-col a:hover{color:#D98A63;text-decoration:underline;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(243,237,228,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(243,237,228,.48);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .qa-layout{grid-template-columns:minmax(0,1fr) 310px;gap:32px;}
  .channel-head-inner{grid-template-columns:minmax(0,1fr) 260px;gap:34px;}
}
@media (max-width:991.98px){
  .main-nav{
    position:fixed;inset:0;z-index:1045;background:var(--paper);
    flex-direction:column;align-items:flex-start;justify-content:flex-start;
    gap:4px;padding:96px 28px 40px;
    transform:translateX(100%);transition:transform .34s ease;overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{font-family:var(--serif);font-size:22px;padding:15px 0;width:100%;color:var(--ink);}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--clay);}
  .nav-toggle{display:inline-flex;}
  body.nav-open .nav-close{display:inline-flex;}
  body.nav-open{overflow:hidden;}
  .header-cta{display:none;}
  .mobile-cta{display:block;}
  .site-footer{padding-bottom:88px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .channel-head{padding:34px 0 42px;}
  .channel-head-inner{grid-template-columns:1fr;}
  .channel-cover{max-width:420px;}
  .channel-cover img{height:200px;}
  .qa-layout{grid-template-columns:1fr;}
  .qa-side{position:static;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .feature-card{grid-template-columns:240px minmax(0,1fr);gap:24px;}
  .feature-thumb img{height:160px;}
  .steps{grid-template-columns:1fr;gap:20px;}
  .rules{grid-template-columns:1fr;gap:0;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-section{padding-bottom:64px;}
}
@media (max-width:575.98px){
  .container{padding:0 18px;}
  .header-inner{height:68px;}
  .brand-mark{font-size:19px;}
  .brand-sub{font-size:10.5px;letter-spacing:.1em;}
  .channel-head h1{font-size:27px;}
  .qa-item{padding:22px 14px;}
  .qa-title{font-size:17px;}
  .grid-3{grid-template-columns:1fr;}
  .feature-card{grid-template-columns:1fr;gap:16px;padding:16px;}
  .feature-thumb img{height:190px;}
  .feature-body h3{font-size:19px;}
  .side-card{padding:22px 18px;}
  .step-num{font-size:34px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-form{width:100%;}
  .cta-form input{width:100%;min-width:0;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{font-size:12px;}
  .faq-item summary{padding-right:40px;font-size:16px;}
  .faq-body{padding-right:20px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}