/* roulang page: index */
:root{
  --brand-600:#E24A16;
  --brand-500:#FF6B2C;
  --brand-400:#FF9A4D;
  --brand-050:#FFF3EC;
  --teal-700:#0F5B4E;
  --teal-500:#14867A;
  --teal-050:#E8F5F2;
  --accent-500:#FFC53D;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --ink-900:#12211E;
  --ink-800:#1B2A26;
  --text-900:#17201D;
  --text-600:#56635E;
  --text-400:#8A9490;
  --line:#E7E2DA;
  --grad-brand:linear-gradient(120deg,#FF6B2C 0%,#FFA23A 60%,#FFC53D 100%);
  --grad-deep:linear-gradient(150deg,#12211E 0%,#0F3A32 70%,#14453B 100%);
  --shadow-card:0 1px 2px rgba(18,33,30,.04),0 12px 32px -14px rgba(18,33,30,.18);
  --shadow-hover:0 2px 4px rgba(18,33,30,.05),0 18px 40px -16px rgba(226,74,22,.28);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-sm:14px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text-900);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:-0.02em;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
.container-wide{max-width:1320px;}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -12px rgba(226,74,22,.6);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 16px 32px -14px rgba(226,74,22,.72);}
.btn-primary:active{transform:translateY(0);filter:brightness(.97);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.btn-outline{background:var(--surface);color:var(--text-900);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;height:48px;}
.btn:disabled{background:#F1EEE9;color:var(--text-400);border-color:var(--line);cursor:not-allowed;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;font-size:14px;}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  font-weight:600;
  white-space:nowrap;
}
.badge-brand{background:var(--grad-brand);color:#fff;}
.badge-soft{background:var(--brand-050);color:var(--brand-600);}
.badge-teal{background:var(--teal-050);color:var(--teal-500);}
.badge-line{background:var(--surface);color:var(--text-600);border:1px solid var(--line);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,239,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{background:rgba(247,244,239,.96);box-shadow:0 10px 30px -20px rgba(18,33,30,.5);}
.header-top-inner{display:flex;align-items:center;gap:20px;height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:17px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(226,74,22,.8);
  transition:transform .2s ease;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-400);letter-spacing:.08em;}
.site-header.is-scrolled .brand-mark{transform:scale(.92);}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:8px 12px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
}
.nav-link:hover{background:var(--brand-050);color:var(--brand-600);}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{display:none;align-items:center;position:relative;}
.search-box input{
  width:200px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);padding:0 44px 0 16px;font-size:14px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,width .2s ease;
}
.search-box input::placeholder{color:var(--text-400);}
.search-box input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.12);width:230px;}
.search-box button{
  position:absolute;right:3px;top:3px;width:32px;height:32px;border-radius:999px;border:0;
  background:var(--grad-brand);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:filter .18s ease;
}
.search-box button:hover{filter:brightness(1.06);}
.trend-link{
  display:none;align-items:center;gap:6px;height:38px;padding:0 14px;border-radius:999px;
  background:var(--teal-050);color:var(--teal-500);font-size:13px;font-weight:600;
}
.trend-link:hover{background:#D9EEE9;color:var(--teal-700);}
.menu-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--text-900);
}
.menu-toggle:hover{border-color:var(--brand-400);color:var(--brand-600);}

.header-sub{display:none;border-top:1px solid var(--line);overflow:hidden;transition:max-height .25s ease,opacity .2s ease;}
.header-sub-inner{display:flex;align-items:center;gap:16px;height:42px;}
.channel-list{display:flex;align-items:center;gap:6px;overflow-x:auto;}
.channel-label{font-size:12px;color:var(--text-400);letter-spacing:.08em;margin-right:4px;}
.channel-link{padding:6px 12px;border-radius:999px;font-size:14px;color:var(--text-600);}
.channel-link:hover{background:var(--brand-050);color:var(--brand-600);}
.sub-trend{margin-left:auto;font-size:13px;font-weight:600;color:var(--brand-600);display:flex;align-items:center;gap:6px;}
.sub-trend span{color:var(--text-400);font-weight:500;}
.site-header.is-scrolled .header-sub{max-height:0;opacity:0;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,30,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;z-index:80;
  background:var(--surface);border-radius:24px 0 0 24px;padding:24px 20px;
  transform:translateX(102%);transition:transform .24s ease;overflow-y:auto;
  box-shadow:-20px 0 60px -30px rgba(18,33,30,.6);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:36px;height:36px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px;}
.drawer-nav a{padding:12px 14px;border-radius:14px;font-size:15px;font-weight:600;color:var(--text-900);}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-050);color:var(--brand-600);}
.drawer-title{font-size:12px;letter-spacing:.08em;color:var(--text-400);margin-bottom:10px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 通用板块 ---------- */
.section{padding-top:56px;padding-bottom:56px;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:26px;font-weight:700;line-height:1.25;}
.section-head p{margin-top:10px;color:var(--text-600);font-size:15px;max-width:720px;}
.title-bar{display:block;width:48px;height:4px;border-radius:4px;background:var(--grad-brand);margin-bottom:16px;}

/* ---------- Hero ---------- */
.hero-wrap{padding-top:24px;}
.hero-card{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  background-image:
    linear-gradient(115deg,rgba(18,33,30,.9) 0%,rgba(18,33,30,.72) 42%,rgba(226,74,22,.58) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:36px 24px 24px;
  box-shadow:var(--shadow-card);
}
.hero-grid{display:grid;gap:28px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);color:#fff;font-size:12px;letter-spacing:.06em;font-weight:600;
}
.hero-copy h1{
  margin-top:18px;
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.15;
  font-weight:800;
  color:#fff;
  letter-spacing:-.02em;
  max-width:16em;
}
.hero-sub{margin-top:16px;color:rgba(255,255,255,.8);font-size:16px;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stat-card{
  background:rgba(255,255,255,.96);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:0 20px 50px -28px rgba(18,33,30,.75);
}
.hero-stat-card h2{font-size:13px;letter-spacing:.08em;color:var(--text-400);font-weight:600;}
.hero-stat-row{display:flex;align-items:baseline;gap:10px;padding:14px 0;border-bottom:1px dashed var(--line);}
.hero-stat-row:last-child{border-bottom:0;padding-bottom:0;}
.hero-stat-row .val{font-size:40px;font-weight:800;line-height:1;color:var(--brand-600);}
.hero-stat-row .desc{font-size:13px;color:var(--text-600);}
.hero-metrics{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:28px;
}
.hero-metric{
  background:rgba(255,255,255,.14);border-radius:18px;padding:12px 14px;color:#fff;
  border:1px solid rgba(255,255,255,.14);
}
.hero-metric strong{display:block;font-size:22px;font-weight:800;}
.hero-metric span{font-size:12px;color:rgba(255,255,255,.75);}

/* ---------- 指标看板 ---------- */
.board{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.board-grid{display:grid;gap:20px;}
.board-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.board-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400);}
.icon-round{
  width:38px;height:38px;border-radius:999px;display:flex;align-items:center;justify-content:center;
  font-size:15px;background:rgba(255,107,44,.1);color:var(--brand-600);
}
.icon-round.teal{background:rgba(20,134,122,.1);color:var(--teal-500);}
.board-card .figure{margin-top:16px;font-size:38px;font-weight:800;line-height:1;color:var(--text-900);}
.board-card .figure small{font-size:14px;font-weight:600;color:var(--text-400);margin-left:4px;}
.board-card .board-desc{margin-top:10px;font-size:14px;color:var(--text-600);}
.board-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-400);}

/* ---------- Bento 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:16px;}
.bento-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400);}
.bento-card h3{font-size:20px;font-weight:600;line-height:1.4;}
.bento-card p{margin-top:10px;font-size:14px;color:var(--text-600);}
.bento-lg{padding:0;display:flex;flex-direction:column;justify-content:flex-end;min-height:320px;}
.bento-lg img{position:absolute;inset:0;width:100%;height:100%;}
.bento-lg .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,33,30,.1) 20%,rgba(18,33,30,.88) 100%);}
.bento-lg .content{position:relative;padding:24px;color:#fff;}
.bento-lg .content h3{color:#fff;font-size:22px;}
.bento-lg .content p{color:rgba(255,255,255,.78);}
.bento-lg .content .link-arrow{color:var(--accent-500);margin-top:14px;}
.bento-data{background:var(--teal-050);border-color:#CFE7E1;}
.bento-data h3{color:var(--teal-700);}
.bento-data .data-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.bento-cta{background:var(--grad-deep);border-color:transparent;color:#F4F1EC;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.bento-cta h3{color:#F4F1EC;}
.bento-cta p{color:rgba(255,255,255,.72);}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;gap:24px;}
.news-main{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:grid;grid-template-columns:1fr;gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400);}
.news-thumb{width:100%;height:180px;border-radius:var(--radius-sm);overflow:hidden;background:var(--brand-050);}
.news-thumb img{width:100%;height:100%;}
.news-body h3{font-size:18px;font-weight:600;line-height:1.5;}
.news-body h3 a:hover{color:var(--brand-600);}
.news-body .summary{margin-top:8px;font-size:14px;color:var(--text-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-400);}
.news-meta .link-arrow{margin-left:auto;}
.empty-state{
  border:1.5px dashed var(--line);border-radius:20px;padding:40px 24px;text-align:center;background:var(--surface);
}
.empty-state i{font-size:26px;color:var(--brand-400);}
.empty-state p{margin:14px 0 18px;font-size:14px;color:var(--text-600);}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-card + .side-card{margin-top:20px;}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--grad-brand);}
.rank-list{margin-top:14px;display:flex;flex-direction:column;gap:4px;}
.rank-list a{display:flex;gap:12px;align-items:flex-start;padding:10px 8px;border-radius:12px;font-size:14px;color:var(--text-600);}
.rank-list a:hover{background:var(--brand-050);color:var(--brand-600);}
.rank-no{
  font-size:18px;font-weight:800;line-height:1.3;flex-shrink:0;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.tag-cloud{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{display:inline-flex;height:30px;align-items:center;padding:0 12px;border-radius:999px;background:var(--bg);border:1px solid var(--line);font-size:13px;color:var(--text-600);}
.tag-cloud a:hover{background:var(--brand-050);border-color:var(--brand-400);color:var(--brand-600);}

/* ---------- 结果对比 ---------- */
.compare-wrap{border-radius:var(--radius-xl);background:var(--grad-deep);padding:32px 22px;color:#F4F1EC;}
.compare-wrap h2{color:#F4F1EC;}
.compare-wrap .lead{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px;max-width:640px;}
.compare-grid{display:grid;gap:18px;margin-top:28px;}
.compare-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-lg);padding:22px;}
.compare-card h3{font-size:17px;font-weight:700;color:#F4F1EC;}
.compare-card ul{margin-top:16px;display:flex;flex-direction:column;gap:12px;}
.compare-card li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);}
.compare-card li .dot{width:18px;height:18px;border-radius:999px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:10px;margin-top:4px;}
.compare-card.plain li .dot{background:rgba(255,255,255,.16);color:rgba(255,255,255,.7);}
.compare-card.strong li .dot{background:var(--grad-brand);color:#fff;}
.bars{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
.bar-row .bar-top{display:flex;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:8px;}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad-brand);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--brand-400);box-shadow:var(--shadow-hover);}
.faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:14px;padding:18px 20px;font-size:17px;font-weight:600;
}
.faq-q i{margin-left:auto;color:var(--brand-500);transition:transform .2s ease;font-size:14px;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--text-600);}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;gap:28px;}
.form-points{margin-top:20px;display:flex;flex-direction:column;gap:14px;}
.form-points li{display:flex;gap:12px;font-size:15px;color:var(--text-600);}
.form-points .dot{width:10px;height:10px;border-radius:999px;background:var(--grad-brand);margin-top:8px;flex-shrink:0;}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-600);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:12px;background:var(--surface);
  padding:0 14px;height:46px;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-400);}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.12);}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--text-600);cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-050);}
.chip.active{background:var(--grad-brand);border-color:transparent;color:#fff;font-weight:600;}
.form-note{margin-top:14px;font-size:13px;color:var(--text-400);}
.form-msg{margin-top:14px;font-size:14px;color:var(--teal-500);display:none;}
.form-msg.show{display:block;}

/* ---------- CTA 条 ---------- */
.cta-strip{
  border-radius:var(--radius-lg);background:var(--grad-deep);color:#F4F1EC;
  padding:26px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;
}
.cta-strip h2{color:#F4F1EC;font-size:22px;}
.cta-strip p{color:rgba(255,255,255,.72);font-size:14px;margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--grad-deep);color:#F4F1EC;margin-top:64px;padding:56px 0 28px;}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);}
.footer-grid{display:grid;gap:32px;}
.footer-brand strong{font-size:17px;font-weight:800;display:block;}
.footer-brand p{margin-top:12px;font-size:14px;color:rgba(255,255,255,.72);max-width:34em;}
.footer-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.78);
}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;color:#F4F1EC;}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--accent-500);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{
  width:42px;height:42px;border-radius:999px;background:var(--grad-brand);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 26px -14px rgba(226,74,22,.9);
  transition:transform .2s ease;
}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .container{padding-left:24px;padding-right:24px;}
  .hero-card{padding:48px 32px 28px;}
  .hero-metrics{grid-template-columns:repeat(4,minmax(0,1fr));}
  .board-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-item{grid-template-columns:220px 1fr;}
  .news-thumb{height:140px;}
  .compare-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 36px;}
}
@media (min-width:768px){
  .section{padding-top:72px;padding-bottom:72px;}
  .news-grid{grid-template-columns:repeat(12,minmax(0,1fr));}
  .news-main{grid-column:span 8;}
  .news-side{grid-column:span 4;}
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
  .main-nav{display:flex;}
  .search-box{display:flex;}
  .trend-link{display:inline-flex;}
  .menu-toggle{display:none;}
  .header-sub{display:block;}
  .hero-grid{grid-template-columns:1.35fr .85fr;align-items:center;gap:40px;}
  .board-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .bento{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
  .col-span-2{grid-column:span 2;}
  .row-span-2{grid-row:span 2;}
  .form-wrap{grid-template-columns:4fr 8fr;align-items:start;gap:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
  .section{padding-top:88px;padding-bottom:88px;}
}
@media (min-width:1280px){
  .hero-card{padding:56px 48px 32px;}
}

/* roulang page: article */
:root{
  --brand-600:#E24A16;
  --brand-500:#FF6B2C;
  --brand-400:#FF9A4D;
  --brand-050:#FFF3EC;
  --teal-700:#0F5B4E;
  --teal-500:#14867A;
  --teal-050:#E8F5F2;
  --accent-500:#FFC53D;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --ink-900:#12211E;
  --ink-800:#1B2A26;
  --text-900:#17201D;
  --text-600:#56635E;
  --text-400:#8A9490;
  --line:#E7E2DA;
  --grad-brand:linear-gradient(120deg,#FF6B2C 0%,#FFA23A 60%,#FFC53D 100%);
  --grad-deep:linear-gradient(150deg,#12211E 0%,#0F3A32 70%,#14453B 100%);
  --shadow-card:0 1px 2px rgba(18,33,30,.04),0 12px 32px -14px rgba(18,33,30,.18);
  --shadow-hover:0 2px 4px rgba(18,33,30,.05),0 18px 40px -16px rgba(226,74,22,.28);
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-900);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -12px rgba(226,74,22,.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(226,74,22,.7);filter:brightness(1.04)}
.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--text-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600)}
.btn-text i{transition:transform .18s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;font-size:12.5px;letter-spacing:.04em;font-weight:600}
.badge-grad{background:var(--grad-brand);color:#fff}
.badge-soft{background:var(--brand-050);color:var(--brand-600)}
.badge-teal{background:var(--teal-050);color:var(--teal-500)}
.badge-outline{background:rgba(255,255,255,.14);color:#F4F1EC;border:1px solid rgba(255,255,255,.2)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease}
.site-header.is-scrolled{box-shadow:0 10px 30px -18px rgba(18,33,30,.35);background:rgba(247,244,239,.96)}
.topbar-inner{display:flex;align-items:center;gap:18px;height:60px;transition:height .2s ease}
.site-header.is-scrolled .topbar-inner{height:54px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:17px;box-shadow:0 8px 18px -10px rgba(226,74,22,.75);transition:transform .2s ease}
.site-header.is-scrolled .brand-mark{transform:scale(.92)}
.brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand-name strong{font-size:16.5px;font-weight:800;letter-spacing:-.01em}
.brand-name em{font-size:11.5px;font-style:normal;color:var(--text-400);letter-spacing:.06em}
.main-nav{display:none;align-items:center;gap:4px;margin-left:8px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--text-600)}
.nav-link:hover{background:var(--brand-050);color:var(--brand-600)}
.nav-link.active{color:var(--brand-600);font-weight:700}
.nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
.topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{display:none;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;height:40px;padding:0 6px 0 16px;transition:border-color .18s ease,box-shadow .18s ease}
@media(min-width:768px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.16)}
.search-box input{border:0;outline:0;background:transparent;width:170px;font-size:14px}
.search-box input::placeholder{color:var(--text-400)}
.search-box button{width:30px;height:30px;border-radius:999px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:12px}
.menu-toggle{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;font-size:16px}
@media(min-width:1024px){.menu-toggle{display:none}}
.hide-sm{display:none}
@media(min-width:1024px){.hide-sm{display:inline-flex}}
.channel-bar{display:none;border-top:1px solid var(--line)}
@media(min-width:1024px){.channel-bar{display:block}}
.channel-inner{display:flex;align-items:center;gap:6px;height:44px;font-size:14px}
.channel-link{padding:6px 12px;border-radius:999px;color:var(--text-600)}
.channel-link:hover{background:var(--brand-050);color:var(--brand-600)}
.channel-tip{margin-left:auto;font-size:13px;color:var(--text-400)}
.channel-tip a{color:var(--teal-500);font-weight:600}
.channel-tip a:hover{color:var(--brand-600)}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,33,30,.45);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:82%;max-width:340px;height:100%;background:#fff;border-radius:24px 0 0 24px;transform:translateX(102%);transition:transform .24s ease;z-index:80;padding:24px 20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head strong{font-size:16px}
.drawer-close{width:36px;height:36px;border-radius:12px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center}
.drawer-list a{display:block;padding:12px 14px;border-radius:14px;font-size:15px;color:var(--text-600)}
.drawer-list a:hover,.drawer-list a.active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.drawer-title{margin:22px 0 10px;font-size:12.5px;letter-spacing:.08em;color:var(--text-400)}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
.drawer-tags span{background:var(--teal-050);color:var(--teal-500);border-radius:999px;padding:6px 12px;font-size:12.5px}

/* ---------- 面包屑 / 栏目行 ---------- */
.crumb-wrap{padding-top:22px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-400)}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--text-400)}
.channel-title{margin-top:14px;font-size:16px;font-weight:600;color:var(--brand-600);display:flex;align-items:center;gap:10px}
.channel-title::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--grad-brand)}

/* ---------- 文章布局 ---------- */
.article-shell{padding:22px 0 64px}
.article-layout{display:grid;gap:34px}
@media(min-width:1024px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:52px}}
.article-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:26px 20px}
@media(min-width:768px){.article-card{padding:38px 44px}}
.article-head h1{font-size:clamp(28px,3.4vw,38px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.meta-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:18px}
.meta-divider{height:1px;background:var(--line);margin:22px 0 6px}
.lead-line{margin-top:14px;font-size:15px;color:var(--text-600)}

/* ---------- 正文 ---------- */
.post-body{max-width:760px;margin:0 auto;font-size:16.5px;line-height:1.9;color:var(--text-900)}
.post-body p{margin:0 0 1.2em}
.post-body h2{position:relative;margin:40px 0 16px;padding-left:16px;font-size:24px;line-height:1.35;font-weight:700}
.post-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--grad-brand)}
.post-body h3{margin:28px 0 12px;font-size:19.5px;font-weight:600}
.post-body ul{margin:0 0 1.2em;padding-left:6px}
.post-body ul li{position:relative;padding-left:20px;margin-bottom:8px}
.post-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:999px;background:var(--brand-500)}
.post-body ol{margin:0 0 1.2em;padding-left:22px;list-style:decimal}
.post-body ol li{margin-bottom:8px}
.post-body blockquote{margin:24px 0;padding:18px 22px;background:var(--teal-050);border-left:4px solid;border-image:var(--grad-brand) 1;border-radius:0 16px 16px 0;color:var(--teal-700)}
.post-body img{border-radius:16px;margin:22px auto;width:100%}
.post-body figure{margin:22px 0}
.post-body figcaption{text-align:center;font-size:13px;color:var(--text-400);margin-top:10px}
.post-body table{width:100%;border-collapse:collapse;font-size:15px}
.post-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:22px 0;box-shadow:var(--shadow-card)}
.post-body thead{background:var(--brand-050)}
.post-body th,.post-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.post-body tbody tr:nth-child(even){background:#FAF8F5}
.post-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.post-body a:hover{color:var(--brand-500)}
.post-body strong{font-weight:700}

/* ---------- 空态 ---------- */
.empty-state{border:1.5px dashed var(--line);border-radius:20px;padding:44px 22px;text-align:center;background:#fff}
.empty-state .empty-icon{width:52px;height:52px;margin:0 auto 14px;border-radius:16px;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:20px}
.empty-state p{font-size:14px;color:var(--text-600);margin-bottom:18px}

/* ---------- 侧栏 ---------- */
.side-stack{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.side-stack{position:sticky;top:110px}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-card);padding:20px}
.side-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:3px;background:var(--grad-brand)}
.toc-list li{margin-bottom:4px}
.toc-list a{display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 10px 10px 0;font-size:13.5px;color:var(--text-600);line-height:1.5}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-600)}
.toc-list a.is-active{border-left-color:var(--brand-500);color:var(--brand-600);font-weight:600;background:var(--brand-050)}
.toc-list a.lv3{padding-left:22px;font-size:13px}
.toc-empty{font-size:13px;color:var(--text-400);line-height:1.7}
.cat-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;border:1px solid var(--line);font-size:14px;font-weight:600;margin-bottom:10px}
.cat-link i{color:var(--brand-500)}
.cat-link:hover{border-color:var(--brand-400);background:var(--brand-050);color:var(--brand-600);transform:translateX(2px)}
.mobile-toc{display:block;margin-bottom:20px}
@media(min-width:1024px){.mobile-toc{display:none}}
.mobile-toc details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 16px;box-shadow:var(--shadow-card)}
.mobile-toc summary{font-size:14px;font-weight:600;color:var(--brand-600);cursor:pointer;list-style:none}
.mobile-toc summary::-webkit-details-marker{display:none}
.mobile-toc ol{margin-top:10px}

/* ---------- 相关推荐 ---------- */
.grad-line{height:3px;border-radius:3px;background:var(--grad-brand);max-width:120px;margin:44px 0 26px}
.sec-title{font-size:22px;font-weight:700;margin-bottom:22px;display:flex;align-items:center;gap:10px}
.sec-title::after{content:"";width:48px;height:3px;border-radius:3px;background:var(--grad-brand)}
.related-grid{display:grid;gap:20px}
@media(min-width:640px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400)}
.rel-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-050)}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px}
.rel-card h4{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h4{color:var(--brand-600)}
.rel-card time{font-size:12.5px;color:var(--text-400)}

/* ---------- 上一篇 / 下一篇 ---------- */
.pager{display:grid;gap:16px;margin-top:26px}
@media(min-width:640px){.pager{grid-template-columns:1fr 1fr}}
.pager a{background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:16px 18px;box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.pager a:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.pager span{display:block;font-size:12.5px;color:var(--text-400);margin-bottom:6px}
.pager strong{font-size:15px;font-weight:600;line-height:1.5}
.pager a:hover strong{color:var(--brand-600)}
.pager .right{text-align:right}

/* ---------- CTA 条 ---------- */
.cta-band{margin-top:34px;background:var(--grad-deep);border-radius:24px;padding:30px 26px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;color:#F4F1EC}
.cta-band .txt{flex:1 1 260px}
.cta-band h3{font-size:21px;font-weight:700;color:#fff}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--grad-deep);color:#F4F1EC;margin-top:60px;padding:56px 0 26px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand strong{display:block;font-size:18px;font-weight:800;color:#fff}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:5px 12px;font-size:12.5px;color:rgba(255,255,255,.82)}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--accent-500)}
.footer-col li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{width:42px;height:42px;border-radius:999px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:14px;transition:transform .18s ease,box-shadow .18s ease}
.to-top:hover{transform:translateY(-3px);box-shadow:0 14px 26px -12px rgba(226,74,22,.8)}

@media(max-width:520px){
  .brand-name em{display:none}
  .article-card{padding:22px 18px}
  .post-body{font-size:16px}
  .post-body h2{font-size:21px}
}

/* roulang page: category1 */
:root{
  --brand-600:#E24A16;
  --brand-500:#FF6B2C;
  --brand-400:#FF9A4D;
  --brand-050:#FFF3EC;
  --teal-700:#0F5B4E;
  --teal-500:#14867A;
  --teal-050:#E8F5F2;
  --accent-500:#FFC53D;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --ink-900:#12211E;
  --ink-800:#1B2A26;
  --text-900:#17201D;
  --text-600:#56635E;
  --text-400:#8A9490;
  --line:#E7E2DA;
  --grad-brand:linear-gradient(120deg,#FF6B2C 0%,#FFA23A 60%,#FFC53D 100%);
  --grad-deep:linear-gradient(150deg,#12211E 0%,#0F3A32 70%,#14453B 100%);
  --shadow-card:0 1px 2px rgba(18,33,30,.04),0 12px 32px -14px rgba(18,33,30,.18);
  --shadow-hover:0 2px 4px rgba(18,33,30,.05),0 18px 40px -16px rgba(226,74,22,.28);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.page-body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text-900);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
.page-body img{max-width:100%;display:block}
.page-body a{color:inherit;text-decoration:none}
.page-body button,.page-body input,.page-body select,.page-body textarea{font:inherit;color:inherit}
.page-body ul,.page-body ol{list-style:none;margin:0;padding:0}
.page-body h1,.page-body h2,.page-body h3,.page-body h4,.page-body p{margin:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:80px 0}}
.section-head{margin-bottom:32px}
@media(min-width:1024px){.section-head{margin-bottom:40px}}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-head h2::after{content:"";display:block;width:48px;height:4px;border-radius:2px;background:var(--grad-brand);margin-top:12px}
.section-head p{margin-top:12px;color:var(--text-600);font-size:15px;max-width:760px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background .2s ease}
.site-header.is-scrolled{background:rgba(247,244,239,.96);box-shadow:0 12px 30px -20px rgba(18,33,30,.55)}
.header-inner{display:flex;align-items:center;gap:16px;height:64px;transition:height .2s ease}
.site-header.is-scrolled .header-inner{height:58px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 8px 18px -10px rgba(226,74,22,.9);transition:transform .2s ease}
.site-header.is-scrolled .brand-mark{transform:scale(.92)}
.brand-name{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:none;align-items:center;gap:2px;margin-left:8px}
@media(min-width:1024px){.main-nav{display:flex}}
.nav-link{position:relative;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--text-600);transition:background .18s ease-out,color .18s ease-out;white-space:nowrap}
.nav-link:hover{background:var(--brand-050);color:var(--brand-600)}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:none;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:0 5px 0 14px;height:40px;background:var(--surface);transition:border-color .18s,box-shadow .18s}
@media(min-width:768px){.search-box{display:flex}}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.14)}
.search-box>i{color:var(--text-400);font-size:13px}
.search-box input{border:0;outline:0;background:transparent;width:140px;font-size:14px}
@media(min-width:1280px){.search-box input{width:170px}}
.search-box input::placeholder{color:var(--text-400)}
.search-box button{width:30px;height:30px;border-radius:50%;border:0;background:var(--grad-brand);color:#fff;display:grid;place-items:center;cursor:pointer;font-size:12px;transition:transform .18s ease-out,filter .18s}
.search-box button:hover{transform:translateX(2px);filter:brightness(1.06)}
.menu-toggle{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--surface);color:var(--text-900);cursor:pointer;transition:.18s}
.menu-toggle:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-050)}
@media(min-width:1024px){.menu-toggle{display:none}}
.header-sub{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.62)}
@media(min-width:1024px){.header-sub{display:block}}
.header-sub-inner{display:flex;align-items:center;gap:16px;height:42px;font-size:14px}
.trend-label{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:600;flex-shrink:0}
.trend-tags{display:flex;gap:6px}
.trend-tags a{padding:4px 12px;border-radius:999px;color:var(--text-600);transition:.18s ease-out}
.trend-tags a:hover{background:var(--brand-050);color:var(--brand-600)}
.trend-meta{margin-left:auto;color:var(--text-400);font-size:13px;font-variant-numeric:tabular-nums}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease-out,box-shadow .18s,background .18s,color .18s,border-color .18s}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 24px -14px rgba(226,74,22,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(1.04)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text-900)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.badge{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;font-size:12.5px;font-weight:500;letter-spacing:.02em;white-space:nowrap}
.badge-grad{background:var(--grad-brand);color:#fff}
.badge-soft{background:var(--brand-050);color:var(--brand-600)}
.badge-teal{background:var(--teal-050);color:var(--teal-700)}
.badge-glass{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14px;font-weight:600}
.link-arrow i{transition:transform .18s ease-out}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.page-hero{padding:24px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400);margin-bottom:16px}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--brand-600);font-weight:600}
.hero-card{position:relative;overflow:hidden;border-radius:28px;padding:36px 28px;min-height:260px;display:flex;flex-direction:column;justify-content:center;gap:0;box-shadow:var(--shadow-card);color:#F4F1EC;background-image:linear-gradient(120deg,rgba(18,33,30,.9) 0%,rgba(18,33,30,.7) 46%,rgba(226,74,22,.6) 100%),url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center}
@media(min-width:768px){.hero-card{padding:44px 40px;min-height:280px}}
.hero-kicker{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.08em;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);color:#FFE9D8;margin-bottom:16px;width:fit-content;border:1px solid rgba(255,255,255,.16)}
.hero-card h1{font-size:clamp(30px,4.4vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.02em;color:#fff;max-width:840px}
.hero-lead{margin-top:16px;font-size:16px;line-height:1.78;color:rgba(255,255,255,.8);max-width:640px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}

/* ============ 指标卡 ============ */
.metric-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.metric-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.metric-grid{grid-template-columns:repeat(4,1fr)}}
.metric-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.metric-card:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.metric-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:16px;color:var(--brand-600);background:rgba(255,107,44,.1);margin-bottom:14px}
.metric-num{font-size:38px;font-weight:800;line-height:1.05;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.metric-num small{font-size:14px;font-weight:600;color:var(--text-400);margin-left:4px}
.metric-label{margin-top:6px;font-size:14px;color:var(--text-600)}
.metric-foot{margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12.5px;color:var(--text-400)}

/* ============ 两栏布局 ============ */
.layout-2col{display:grid;grid-template-columns:1fr;gap:28px}
@media(min-width:1024px){.layout-2col{grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);gap:32px}}
.side-sticky{position:static}
@media(min-width:1024px){.side-sticky{position:sticky;top:118px}}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-card);margin-bottom:20px}
.side-card h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand-600)}
.side-card .side-sub{margin-top:6px;font-size:13px;color:var(--text-400)}

/* ============ 条目列表 ============ */
.entry-list{display:flex;flex-direction:column;gap:16px}
.entry-item{display:grid;grid-template-columns:1fr;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:16px;box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
@media(min-width:640px){.entry-item{grid-template-columns:220px minmax(0,1fr)}}
.entry-item:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.entry-item:hover .entry-title{color:var(--brand-600)}
.entry-thumb{position:relative;border-radius:16px;overflow:hidden;background:var(--brand-050);aspect-ratio:16/9}
@media(min-width:640px){.entry-thumb{aspect-ratio:220/140}}
.entry-thumb img{width:100%;height:100%;object-fit:cover}
.entry-flag{position:absolute;left:10px;top:10px;font-size:11.5px;padding:4px 10px;border-radius:999px;background:rgba(18,33,30,.72);color:#fff;backdrop-filter:blur(4px)}
.entry-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.entry-title{font-size:18px;font-weight:600;line-height:1.45;transition:color .18s ease-out}
.entry-desc{font-size:14px;color:var(--text-600);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--text-400)}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ============ 侧栏目录 / 排行 ============ */
.toc-list{display:flex;flex-direction:column;gap:2px;margin-top:16px}
.toc-list a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:12px;font-size:14px;color:var(--text-600);border-left:2px solid transparent;transition:.18s ease-out}
.toc-list a:hover{background:var(--brand-050);color:var(--brand-600);border-left-color:var(--brand-500)}
.rank-list{margin-top:14px}
.rank-item{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line)}
.rank-item:last-child{border-bottom:0;padding-bottom:0}
.rank-num{width:24px;flex-shrink:0;font-size:18px;font-weight:800;font-variant-numeric:tabular-nums;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.5}
.rank-body{min-width:0}
.rank-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--text-900);transition:color .18s}
.rank-item:hover .rank-title{color:var(--brand-600)}
.rank-note{font-size:12.5px;color:var(--text-400);margin-top:2px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag-cloud a{font-size:12.5px;padding:6px 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-600);transition:.18s ease-out}
.tag-cloud a:hover{background:var(--grad-brand);color:#fff}

/* ============ 流程 ============ */
.flow-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:768px){.flow-grid{grid-template-columns:repeat(3,1fr)}}
.flow-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.flow-card:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.flow-step{width:42px;height:42px;border-radius:14px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 10px 22px -14px rgba(226,74,22,.95)}
.flow-card h3{margin-top:18px;font-size:19px;font-weight:600}
.flow-card p{margin-top:10px;font-size:14.5px;color:var(--text-600);line-height:1.78}
.flow-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease-out}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity .2s ease-out}
.faq-item.open{border-color:var(--brand-400)}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;font-size:17px;font-weight:600;color:var(--text-900)}
.faq-icon{width:28px;height:28px;flex-shrink:0;border-radius:50%;background:var(--brand-050);color:var(--brand-600);display:grid;place-items:center;font-size:12px;transition:transform .2s ease-out}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.82;color:var(--text-600)}

/* ============ 表单 ============ */
.consult-grid{display:grid;gap:28px;grid-template-columns:1fr;align-items:start}
@media(min-width:1024px){.consult-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:40px}}
.point-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-600);line-height:1.7}
.point-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--grad-brand);margin-top:9px;flex-shrink:0}
.form-card{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:26px;box-shadow:var(--shadow-card)}
@media(min-width:768px){.form-card{padding:32px}}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;color:var(--text-600);margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:12px;height:46px;padding:0 14px;background:var(--surface);outline:none;transition:border-color .18s,box-shadow .18s;font-size:15px}
.field textarea{height:auto;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-400)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.14)}
.field input:disabled,.field select:disabled,.field textarea:disabled{background:#F1EEE9;color:var(--text-400)}
.chip-group{display:flex;flex-wrap:wrap;gap:10px}
.chip{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-size:14px;color:var(--text-600);cursor:pointer;transition:.18s ease-out}
.chip:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-050)}
.chip input{position:absolute;opacity:0;pointer-events:none}
.chip.active,.chip:has(input:checked){background:var(--grad-brand);border-color:transparent;color:#fff}
.form-note{font-size:12.5px;color:var(--text-400);margin-top:12px}

/* ============ CTA 条 ============ */
.cta-bar{position:relative;overflow:hidden;background:var(--grad-deep);border-radius:26px;padding:32px 26px;display:flex;flex-direction:column;gap:20px;color:#F4F1EC}
.cta-bar::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand)}
@media(min-width:768px){.cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;gap:32px}}
.cta-bar h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.3;color:#fff}
.cta-bar p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.72);max-width:620px}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--grad-deep);color:rgba(255,255,255,.72);margin-top:64px;padding:56px 0 28px}
@media(min-width:1024px){.site-footer{padding:64px 0 32px}}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand strong{display:block;color:#fff;font-size:18px;font-weight:800;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.8}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.8)}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px}
.footer-col a{transition:color .18s ease-out}
.footer-col a:hover{color:var(--brand-400)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.6)}
.to-top{width:42px;height:42px;border-radius:50%;border:0;background:var(--grad-brand);color:#fff;cursor:pointer;display:grid;place-items:center;transition:transform .2s ease-out,box-shadow .2s ease-out}
.to-top:hover{transform:translateY(-3px);box-shadow:0 12px 26px -12px rgba(255,107,44,.9)}
.to-top:focus-visible{outline:2px solid #fff;outline-offset:3px}

/* ============ 移动抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer-mask{position:absolute;inset:0;background:rgba(18,33,30,.45);opacity:0;transition:opacity .22s ease}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(86vw,340px);background:var(--surface);border-radius:24px 0 0 24px;padding:22px 20px;transform:translateX(103%);transition:transform .24s ease-out;overflow-y:auto}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-mask{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.drawer-head strong{font-size:16px;font-weight:800}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;display:grid;place-items:center;transition:.18s}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-050)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:14px;font-size:15px;color:var(--text-600);background:var(--bg);transition:.18s ease-out}
.drawer-nav a:hover{background:var(--brand-050);color:var(--brand-600)}
.drawer-nav a.active{background:var(--grad-brand);color:#fff;font-weight:600}
.drawer-title{margin:24px 0 12px;font-size:13px;color:var(--text-400);letter-spacing:.04em}

/* roulang page: category2 */
:root{
    --brand-600:#E24A16;
    --brand-500:#FF6B2C;
    --brand-400:#FF9A4D;
    --brand-050:#FFF3EC;
    --teal-700:#0F5B4E;
    --teal-500:#14867A;
    --teal-050:#E8F5F2;
    --accent-500:#FFC53D;
    --bg:#F7F4EF;
    --surface:#FFFFFF;
    --ink-900:#12211E;
    --ink-800:#1B2A26;
    --text-900:#17201D;
    --text-600:#56635E;
    --text-400:#8A9490;
    --line:#E7E2DA;
    --grad-brand:linear-gradient(120deg,#FF6B2C 0%,#FFA23A 60%,#FFC53D 100%);
    --grad-deep:linear-gradient(150deg,#12211E 0%,#0F3A32 70%,#14453B 100%);
    --shadow-card:0 1px 2px rgba(18,33,30,.04),0 12px 32px -14px rgba(18,33,30,.18);
    --shadow-hover:0 2px 4px rgba(18,33,30,.05),0 18px 40px -16px rgba(226,74,22,.28);
    --r-lg:28px;
    --r-md:20px;
    --r-sm:16px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
  html body{
    margin:0;
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    background:var(--bg);
    color:var(--text-900);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;object-fit:cover}
  a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
  button,input,select,textarea{font:inherit;color:inherit}
  ul,ol{margin:0;padding:0;list-style:none}
  p{margin:0}
  h1,h2,h3,h4{margin:0;line-height:1.25}
  .num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
  @media(min-width:640px){.container{padding:0 24px}}
  @media(min-width:1024px){.container{padding:0 32px}}
  .container-wide{max-width:1320px}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
  a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

  /* ============ 导航 ============ */
  .site-header{position:sticky;top:0;z-index:80;background:rgba(247,244,239,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .2s ease,background-color .2s ease}
  .site-header.scrolled{background:rgba(247,244,239,.96);box-shadow:0 12px 30px -20px rgba(18,33,30,.42)}
  .nav-top-inner{display:flex;align-items:center;gap:18px;height:56px;transition:height .2s ease}
  .site-header.scrolled .nav-top-inner{height:50px}
  .brand{display:flex;align-items:center;gap:10px;flex:none}
  .brand-mark{width:34px;height:34px;border-radius:12px;background:var(--grad-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:0 8px 18px -10px rgba(226,74,22,.8);transition:transform .2s ease}
  .site-header.scrolled .brand-mark{transform:scale(.92)}
  .brand-text{display:flex;flex-direction:column;line-height:1.15}
  .brand-text strong{font-size:16px;font-weight:800;letter-spacing:-.01em}
  .brand-text em{font-style:normal;font-size:11px;color:var(--text-400);letter-spacing:.04em}
  .main-nav{display:none;align-items:center;gap:4px;margin-left:6px}
  @media(min-width:1024px){.main-nav{display:flex}}
  .nav-link{position:relative;padding:8px 12px;border-radius:999px;font-size:14px;color:var(--text-600);white-space:nowrap}
  .nav-link:hover{background:var(--brand-050);color:var(--brand-600)}
  .nav-link.active{color:var(--brand-600);font-weight:700}
  .nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--grad-brand)}
  .nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
  .search-box{display:none;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;padding:2px 4px 2px 14px;transition:border-color .18s ease,box-shadow .18s ease}
  @media(min-width:768px){.search-box{display:flex}}
  .search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.12)}
  .search-box input{border:0;background:transparent;outline:none;width:170px;font-size:13px;color:var(--text-900)}
  .search-box input::placeholder{color:var(--text-400)}
  .search-box button{width:32px;height:32px;border:0;border-radius:999px;background:var(--grad-brand);color:#fff;cursor:pointer;font-size:13px;display:flex;align-items:center;justify-content:center;transition:filter .18s ease}
  .search-box button:hover{filter:brightness(1.06)}
  .nav-cta{display:none}
  @media(min-width:640px){.nav-cta{display:inline-flex}}
  .menu-toggle{display:flex;width:40px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:12px;cursor:pointer;color:var(--text-900)}
  @media(min-width:1024px){.menu-toggle{display:none}}
  .menu-toggle:hover{border-color:var(--brand-400);color:var(--brand-600)}
  .nav-sub{display:none;border-top:1px solid var(--line);background:rgba(255,255,255,.5)}
  @media(min-width:1024px){.nav-sub{display:block}}
  .nav-sub-inner{display:flex;align-items:center;gap:6px;height:42px}
  .channel-strip{display:flex;align-items:center;gap:2px}
  .channel-strip a{padding:6px 12px;border-radius:999px;font-size:14px;color:var(--text-600)}
  .channel-strip a:hover{background:var(--brand-050);color:var(--brand-600)}
  .trend-link{margin-left:auto;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--teal-700);background:var(--teal-050);border-radius:999px;padding:6px 14px}
  .trend-link:hover{background:#D9EFE9}
  .drawer-mask{position:fixed;inset:0;background:rgba(18,33,30,.45);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:90}
  .drawer-mask.open{opacity:1;pointer-events:auto}
  .drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:var(--surface);border-radius:24px 0 0 24px;padding:22px 20px;transform:translateX(104%);transition:transform .22s ease;z-index:100;overflow-y:auto;box-shadow:-20px 0 50px -24px rgba(18,33,30,.5)}
  .drawer.open{transform:translateX(0)}
  .drawer h3{font-size:13px;color:var(--text-400);letter-spacing:.06em;margin-bottom:10px}
  .drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px}
  .drawer nav a{padding:10px 12px;border-radius:14px;font-size:15px;color:var(--text-900)}
  .drawer nav a:hover{background:var(--brand-050);color:var(--brand-600)}
  .drawer nav a.active{background:var(--brand-050);color:var(--brand-600);font-weight:700}
  .drawer-tags{display:flex;flex-wrap:wrap;gap:8px}
  .drawer-tags span{font-size:12px;padding:5px 11px;border-radius:999px;background:var(--teal-050);color:var(--teal-700)}

  /* ============ 通用组件 ============ */
  .btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:0;border-radius:999px;background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;cursor:pointer;box-shadow:0 12px 26px -14px rgba(226,74,22,.9);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
  .btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 34px -14px rgba(226,74,22,.85)}
  .btn-primary:active{transform:translateY(0)}
  .btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-900);font-size:15px;font-weight:600;cursor:pointer;transition:border-color .18s ease,color .18s ease,background-color .18s ease,transform .18s ease}
  .btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);transform:translateY(-2px)}
  .btn-ghost-light{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:999px;border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.08);color:#F4F1EC;font-size:15px;font-weight:600;cursor:pointer;transition:background-color .18s ease,border-color .18s ease,transform .18s ease}
  .btn-ghost-light:hover{background:rgba(255,255,255,.18);border-color:#fff;transform:translateY(-2px)}
  .arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-600)}
  .arrow-link i{transition:transform .18s ease}
  .arrow-link:hover i{transform:translateX(4px)}
  .badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 13px;border-radius:999px;font-size:12px;letter-spacing:.04em;font-weight:600;white-space:nowrap}
  .badge-grad{background:var(--grad-brand);color:#fff}
  .badge-brand{background:var(--brand-050);color:var(--brand-600)}
  .badge-teal{background:var(--teal-050);color:var(--teal-700)}
  .badge-soft{background:rgba(255,255,255,.16);color:#F4F1EC;border:1px solid rgba(255,255,255,.2)}
  .section{padding:56px 0}
  @media(min-width:1024px){.section{padding:96px 0}}
  .section-head{max-width:760px;margin-bottom:34px}
  .section-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.08em;color:var(--brand-600);font-weight:700;margin-bottom:12px}
  .section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;position:relative;padding-left:16px}
  .section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--grad-brand)}
  .section-head p{margin-top:14px;color:var(--text-600);font-size:15px}
  .grad-rule{width:48px;height:3px;border-radius:3px;background:var(--grad-brand);margin-top:16px}
  .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
  .card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400)}

  /* ============ 面包屑 ============ */
  .crumb-bar{padding:16px 0 0}
  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400)}
  .crumb a:hover{color:var(--brand-600)}
  .crumb .sep{color:var(--line)}

  /* ============ Hero ============ */
  .hero{padding:18px 0 0}
  .hero-card{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--ink-900);min-height:280px;display:flex;align-items:flex-end;box-shadow:var(--shadow-card)}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;transform:scale(1.02)}
  .hero-veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,33,30,.92) 0%,rgba(15,58,50,.82) 46%,rgba(226,74,22,.42) 100%)}
  .hero-top-rule{position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);z-index:3}
  .hero-inner{position:relative;z-index:2;padding:34px 22px 30px;width:100%}
  @media(min-width:768px){.hero-inner{padding:48px 44px 40px}}
  .hero-inner h1{color:#fff;font-size:clamp(30px,4.6vw,48px);font-weight:800;line-height:1.15;max-width:780px}
  .hero-inner h1 span{background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
  .hero-lead{color:rgba(255,255,255,.8);font-size:15px;line-height:1.8;max-width:640px;margin-top:16px}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-chip{display:inline-flex;flex-direction:column;gap:2px;padding:12px 18px;border-radius:18px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16)}
  .hero-chip b{font-size:24px;color:#fff;font-weight:800}
  .hero-chip span{font-size:12px;color:rgba(255,255,255,.72);letter-spacing:.04em}

  /* ============ 频道标签条 ============ */
  .tabs-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
  .chip{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text-600);font-size:14px;font-weight:600}
  .chip:hover{border-color:var(--brand-400);color:var(--brand-600);background:var(--brand-050)}
  .chip.active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:0 12px 24px -16px rgba(226,74,22,.9)}
  .tabs-note{margin-left:auto;font-size:13px;color:var(--text-400)}

  /* ============ Bento 网格 ============ */
  .bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .bento-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow-card);overflow:hidden;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
  .bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400)}
  .bento-lg{grid-column:span 2;grid-row:span 2;min-height:380px;display:flex;align-items:flex-end}
  .bento-md{grid-column:span 1;padding:22px}
  .stat-wide{grid-column:span 2;padding:22px;background:var(--teal-050);border-color:#CFE7E1}
  .bento-media{position:absolute;inset:0}
  .bento-media img{width:100%;height:100%}
  .bento-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,33,30,.18) 0%,rgba(18,33,30,.78) 62%,rgba(18,33,30,.94) 100%)}
  .bento-corner{position:absolute;top:16px;left:16px;z-index:3}
  .bento-body{position:relative;z-index:2;padding:24px;color:#fff}
  .bento-body h3{font-size:21px;font-weight:700;margin-top:14px}
  .bento-body p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);margin-top:10px;max-width:460px}
  .bento-body .arrow-link{color:#fff;margin-top:16px}
  .icon-round{width:40px;height:40px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:16px;background:rgba(255,107,44,.1);color:var(--brand-600)}
  .icon-round.teal{background:rgba(20,134,122,.12);color:var(--teal-700)}
  .bento-md h3{font-size:17px;font-weight:700;margin-top:14px}
  .bento-md p{font-size:14px;color:var(--text-600);margin-top:8px;line-height:1.7}
  .bento-md .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .mini-tags span{font-size:11px;letter-spacing:.04em;padding:4px 10px;border-radius:999px;background:var(--brand-050);color:var(--brand-600)}
  .stat-num{font-size:38px;font-weight:800;color:var(--teal-700);margin-top:12px;line-height:1}
  .stat-num small{font-size:14px;font-weight:600;margin-left:4px;color:var(--text-600)}
  .stat-wide p{font-size:14px;color:var(--text-600);margin-top:10px}
  .stat-sep{height:1px;background:rgba(15,91,78,.16);margin:18px 0 0}

  /* ============ 场景清单 ============ */
  .scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .scene-card{padding:24px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
  .scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-400)}
  .scene-card h3{font-size:18px;font-weight:700;margin-top:16px}
  .scene-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
  .scene-list li{position:relative;padding-left:20px;font-size:14px;color:var(--text-600)}
  .scene-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--grad-brand)}

  /* ============ 更新流程 ============ */
  .flow-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--shadow-card)}
  .flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
  .flow-step{padding:20px;border-radius:var(--r-sm);background:#FAF8F5;border:1px solid var(--line)}
  .flow-step b{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:var(--grad-brand);color:#fff;font-size:14px;font-weight:800}
  .flow-step h3{font-size:16px;font-weight:700;margin-top:14px}
  .flow-step p{font-size:13px;color:var(--text-600);margin-top:8px;line-height:1.7}
  .flow-time{font-size:12px;color:var(--teal-700);background:var(--teal-050);border-radius:999px;padding:4px 10px;display:inline-block;margin-top:12px}

  /* ============ FAQ ============ */
  .faq-list{max-width:860px;display:flex;flex-direction:column;gap:14px}
  .faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-card);overflow:hidden}
  .faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:0;background:var(--grad-brand);transition:width .2s ease}
  .faq-item[open]::before{width:4px}
  .faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary i{font-size:13px;color:var(--brand-600);transition:transform .2s ease}
  .faq-item[open] summary i{transform:rotate(45deg)}
  .faq-body{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--text-600)}

  /* ============ CTA ============ */
  .cta-band{background:var(--grad-deep);border-radius:24px;padding:32px 26px;display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;position:relative;overflow:hidden}
  .cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand)}
  .cta-band h2{color:#F4F1EC;font-size:clamp(20px,2.4vw,26px);font-weight:800}
  .cta-band p{color:rgba(255,255,255,.72);font-size:14px;margin-top:10px;max-width:560px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ============ 页脚 ============ */
  .site-footer{position:relative;margin-top:64px;background:var(--grad-deep);color:#F4F1EC;padding:56px 0 28px}
  .site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand)}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
  .footer-brand strong{font-size:18px;font-weight:800;display:block}
  .footer-brand p{font-size:14px;color:rgba(255,255,255,.72);margin-top:12px;line-height:1.8;max-width:360px}
  .footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
  .footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.78)}
  .footer-col h3{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.04em}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col li{font-size:14px;color:rgba(255,255,255,.72)}
  .footer-col a:hover{color:var(--brand-400)}
  .footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
  .footer-bottom span{font-size:13px;color:rgba(255,255,255,.62)}
  .to-top{width:42px;height:42px;border-radius:999px;border:0;background:var(--grad-brand);color:#fff;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;transition:transform .18s ease,filter .18s ease}
  .to-top:hover{transform:translateY(-2px);filter:brightness(1.06)}

  /* ============ 响应式 ============ */
  @media(max-width:1023px){
    .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
    .bento-lg{grid-column:span 2;grid-row:auto;min-height:320px}
    .bento-md{grid-column:span 1}
    .stat-wide{grid-column:span 2}
    .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media(max-width:639px){
    .bento{grid-template-columns:1fr;gap:16px}
    .bento-lg,.bento-md,.stat-wide{grid-column:span 1}
    .bento-lg{min-height:300px}
    .scene-grid,.flow-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .hero-chip{flex:1 1 calc(50% - 10px)}
    .cta-band{padding:26px 20px}
    .tabs-note{display:none}
  }

/* roulang page: category3 */
:root{
  --brand-600:#E24A16;
  --brand-500:#FF6B2C;
  --brand-400:#FF9A4D;
  --brand-050:#FFF3EC;
  --teal-700:#0F5B4E;
  --teal-500:#14867A;
  --teal-050:#E8F5F2;
  --accent-500:#FFC53D;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --ink-900:#12211E;
  --ink-800:#1B2A26;
  --text-900:#17201D;
  --text-600:#56635E;
  --text-400:#8A9490;
  --line:#E7E2DA;
  --grad-brand:linear-gradient(120deg,#FF6B2C 0%,#FFA23A 60%,#FFC53D 100%);
  --grad-deep:linear-gradient(150deg,#12211E 0%,#0F3A32 70%,#14453B 100%);
  --shadow-card:0 1px 2px rgba(18,33,30,.04),0 12px 32px -14px rgba(18,33,30,.18);
  --shadow-hover:0 2px 4px rgba(18,33,30,.05),0 18px 40px -16px rgba(226,74,22,.28);
  --radius-xl:28px;
  --radius-lg:22px;
  --radius-md:18px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:clamp(30px,3.8vw,44px);line-height:1.18;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.28;font-weight:700;letter-spacing:-.01em}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{color:var(--text-600)}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.02em}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--brand-500);outline-offset:2px;border-radius:8px;
}
body .container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media(min-width:640px){body .container{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){body .container{padding-left:32px;padding-right:32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,244,239,.88);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .2s ease,border-color .2s ease,background .2s ease}
.site-header.is-scrolled{background:rgba(247,244,239,.96);border-bottom-color:var(--line);box-shadow:0 10px 30px -18px rgba(18,33,30,.35)}
.topbar{height:64px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;gap:16px;justify-content:space-between}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;transition:transform .2s ease}
.site-header.is-scrolled .brand{transform:scale(.94)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad-brand);display:grid;place-items:center;color:#fff;font-size:17px;box-shadow:0 8px 18px -10px rgba(226,74,22,.9)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-400);letter-spacing:.08em}
.search-box{display:flex;align-items:center;gap:6px;background:var(--surface);border:1px solid var(--line);border-radius:999px;height:42px;padding:4px 4px 4px 16px;flex:1 1 auto;max-width:340px;transition:border-color .18s ease,box-shadow .18s ease}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(255,107,44,.14)}
.search-input{border:0;background:transparent;outline:none;flex:1;min-width:0;font-size:14px}
.search-input::placeholder{color:var(--text-400)}
.search-btn{width:34px;height:34px;border:0;border-radius:50%;background:var(--grad-brand);color:#fff;cursor:pointer;display:grid;place-items:center;font-size:13px;transition:filter .18s ease,transform .18s ease}
.search-btn:hover{filter:brightness(1.06);transform:translateY(-1px)}
.topbar-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.trend-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-600);padding:8px 14px;border-radius:999px;transition:background .18s ease,color .18s ease}
.trend-link:hover{background:var(--brand-050);color:var(--brand-600)}
.trend-link i{color:var(--brand-500)}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);cursor:pointer;color:var(--text-900);transition:border-color .18s ease,color .18s ease}
.menu-toggle:hover{border-color:var(--brand-400);color:var(--brand-600)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;border:1px solid transparent;font-weight:600;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap}
.btn-primary{background:var(--grad-brand);color:#fff;height:44px;padding:0 22px;box-shadow:0 12px 26px -14px rgba(226,74,22,.85)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(1.04)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text-900);height:44px;padding:0 22px}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);background:var(--brand-050);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35);color:#fff;height:46px;padding:0 24px}
.btn-light:hover{background:rgba(255,255,255,.22);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px}
.btn i{transition:transform .18s ease}
.btn:hover i.fa-arrow-right{transform:translateX(4px)}
.channelbar{border-top:1px solid rgba(231,226,218,.9);background:rgba(255,255,255,.5)}
.channelbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:44px}
.main-nav{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none}
.main-nav::-webkit-scrollbar{display:none}
.nav-link{position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;font-size:14px;color:var(--text-600);transition:background .18s ease,color .18s ease}
.nav-link:hover{background:var(--brand-050);color:var(--brand-600)}
.nav-link.active{color:var(--brand-600);font-weight:600}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--grad-brand)}
.channel-trend{font-size:13px;color:var(--teal-700);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.channel-trend i{color:var(--teal-500)}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,33,30,.45);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:70}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:var(--surface);border-radius:24px 0 0 24px;transform:translateX(102%);transition:transform .24s ease;z-index:71;padding:24px 20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head strong{font-size:16px}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:transparent;cursor:pointer}
.drawer-close:hover{border-color:var(--brand-400);color:var(--brand-600)}
.drawer-list{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-list a{padding:11px 14px;border-radius:14px;font-size:15px;color:var(--text-600);transition:background .18s ease,color .18s ease}
.drawer-list a:hover{background:var(--brand-050);color:var(--brand-600)}
.drawer-list a.active{background:var(--brand-050);color:var(--brand-600);font-weight:600}
.drawer-title{font-size:12px;letter-spacing:.08em;color:var(--text-400);margin-bottom:10px}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- breadcrumb ---------- */
.breadcrumb{padding:18px 0 4px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-400)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .current{color:var(--text-600)}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);margin:14px 0 0;
  padding:44px 32px 36px;color:#fff;
  background-image:linear-gradient(120deg,rgba(18,33,30,.86) 0%,rgba(15,58,50,.78) 55%,rgba(226,74,22,.62) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-card);
}
.page-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-brand)}
.page-hero-inner{position:relative;display:grid;gap:24px;grid-template-columns:1fr;align-items:center}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:rgba(255,255,255,.82);margin-bottom:12px}
.hero-kicker i{color:var(--accent-500)}
.page-hero h1{color:#fff;max-width:22ch}
.page-hero .hero-lead{color:rgba(255,255,255,.8);font-size:16px;margin-top:14px;max-width:56ch}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-side{display:grid;gap:12px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:24px;padding:20px}
.hero-side .side-label{font-size:12px;letter-spacing:.08em;color:rgba(255,255,255,.7)}
.hero-side .side-num{font-size:38px;font-weight:800;color:#fff;line-height:1.1}
.hero-side .side-text{font-size:13px;color:rgba(255,255,255,.72)}
.hero-side-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.16)}
.hero-side-row:last-child{border-bottom:0;padding-bottom:0}
.hero-side-row span:first-child{font-size:14px;color:rgba(255,255,255,.78)}
.hero-side-row strong{font-size:20px;color:#fff}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;border-radius:999px;font-size:12.5px;letter-spacing:.03em;white-space:nowrap}
.badge-grad{background:var(--grad-brand);color:#fff;font-weight:600}
.badge-brand{background:var(--brand-050);color:var(--brand-600)}
.badge-teal{background:var(--teal-050);color:var(--teal-700)}
.badge-outline{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:82px 0}}
.section-head{margin-bottom:32px}
.section-head .eyebrow{font-size:13px;letter-spacing:.1em;color:var(--brand-600);font-weight:600;margin-bottom:10px;display:block}
.section-head h2{max-width:28ch}
.section-head .grad-line{display:block;width:48px;height:4px;border-radius:4px;background:var(--grad-brand);margin-top:14px}
.section-head p{margin-top:14px;max-width:62ch}
.surface-block{background:var(--surface);border-radius:var(--radius-xl);box-shadow:var(--shadow-card);padding:32px}
@media(min-width:1024px){.surface-block{padding:44px}}

/* ---------- dimension grid ---------- */
.dim-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.dim-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media(min-width:1024px){.dim-grid{grid-template-columns:repeat(4,1fr);gap:24px}}
.dim-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 20px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.dim-card:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.dim-icon{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:rgba(255,107,44,.1);color:var(--brand-600);font-size:16px;margin-bottom:14px}
.dim-card h3{font-size:17px;margin-bottom:8px}
.dim-card p{font-size:14px;line-height:1.7}
.dim-meta{margin-top:14px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--teal-700)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:0;margin-top:8px}
.timeline::before{content:"";position:absolute;left:19px;top:12px;bottom:12px;width:2px;border-radius:2px;background:linear-gradient(180deg,#FF6B2C 0%,rgba(255,107,44,.35) 55%,rgba(255,107,44,.06) 100%)}
.tl-item{position:relative;display:grid;grid-template-columns:40px 1fr;gap:20px;padding-bottom:24px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{grid-column:1;width:18px;height:18px;margin-top:22px;border-radius:50%;background:#fff;border:3px solid var(--brand-500);justify-self:center;box-shadow:0 0 0 4px rgba(255,107,44,.12);z-index:1}
.tl-card{grid-column:2;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.tl-card:hover{transform:translateY(-3px);border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.tl-time{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--teal-700);background:var(--teal-050);border-radius:999px;height:28px;padding:0 12px}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card p{font-size:14.5px;line-height:1.75}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
@media(max-width:520px){
  .tl-item{grid-template-columns:28px 1fr;gap:14px}
  .timeline::before{left:13px}
  .tl-card{padding:18px}
  .tl-card h3{font-size:17px}
}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.open{border-color:var(--brand-400);box-shadow:var(--shadow-hover)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-brand);opacity:0;transition:opacity .2s ease}
.faq-item.open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;background:transparent;border:0;cursor:pointer;text-align:left;padding:20px 22px;font-size:17px;font-weight:600;color:var(--text-900)}
.faq-q .faq-icon{width:28px;height:28px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:var(--brand-050);color:var(--brand-600);transition:transform .2s ease,background .2s ease}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-600)}

/* ---------- cta bar ---------- */
.cta-bar{position:relative;overflow:hidden;border-radius:24px;background:var(--grad-deep);padding:30px 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;box-shadow:var(--shadow-card)}
.cta-bar::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand)}
.cta-bar h2{color:#F4F1EC;font-size:clamp(20px,2.2vw,26px);max-width:30ch}
.cta-bar p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:8px}

/* ---------- footer ---------- */
.site-footer{position:relative;margin-top:24px;background:var(--grad-deep);color:#F4F1EC;padding:56px 0 28px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand strong{display:block;font-size:18px;font-weight:800;margin-bottom:12px}
.footer-brand p{color:rgba(255,255,255,.72);font-size:14px;max-width:34ch}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tags span{font-size:12px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.82)}
.footer-col h3{font-size:15px;font-weight:700;margin-bottom:14px;color:#F4F1EC}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a{transition:color .18s ease}
.footer-col a:hover{color:var(--brand-400)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{width:44px;height:44px;border-radius:50%;border:0;cursor:pointer;background:var(--grad-brand);color:#fff;display:grid;place-items:center;box-shadow:0 12px 26px -14px rgba(226,74,22,.9);transition:transform .18s ease,filter .18s ease}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.05)}

/* ---------- responsive ---------- */
@media(max-width:1023px){
  .channelbar{display:none}
  .menu-toggle{display:grid;place-items:center}
  .search-box{max-width:240px}
}
@media(max-width:767px){
  .search-box{display:none}
  .trend-link{display:none}
  .topbar{height:60px}
  .brand-text strong{font-size:15px}
  .page-hero{padding:28px 20px 26px;border-radius:22px}
  .hero-side .side-num{font-size:30px}
}
@media(max-width:520px){
  .brand-text em{display:none}
  .btn-sm{padding:0 14px;font-size:13px}
  .hero-badges .badge{font-size:12px;padding:0 12px}
}
@media(min-width:640px){
  .page-hero{padding:52px 40px 44px}
}
@media(min-width:1024px){
  .page-hero{padding:60px 48px 52px}
  .page-hero-inner{grid-template-columns:1.5fr 1fr;gap:40px}
}