/* roulang page: index */
:root{
  --c-primary:#1F5DD8;
  --c-primary-dark:#1748A8;
  --c-accent:#FF6B3D;
  --c-data:#0FA9A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F1F6FD;
  --c-text:#0F1B2D;
  --c-text-sub:#5A6B82;
  --c-text-mute:#8A99AD;
  --c-border:#E4EAF2;
  --r-card:14px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --sh-hover:0 2px 4px rgba(15,27,45,.06), 0 16px 36px rgba(15,27,45,.12);
  --ctn:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:19px;}
h4{font-size:16px;}
p{margin:0 0 14px;color:var(--c-text-sub);max-width:720px;}
button,input,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(31,93,216,.18);}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:var(--ctn);margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-surface-alt);}
.section--white{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{font-size:16px;margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:#E7EFFC;color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.grid-6{grid-template-columns:repeat(3,minmax(0,1fr));}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-border);
  box-shadow:0 1px 2px rgba(15,27,45,.03);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,27,45,.10);}
.header-inner{display:flex;align-items:center;gap:24px;height:66px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;color:var(--c-primary);}
.brand-name{font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand:hover .brand-name{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:66px;
  font-size:16px;font-weight:500;color:var(--c-text-sub);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-text);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;
  background:#F2F5FA;border:1px solid transparent;transition:border-color .18s ease-out,background .18s ease-out;
}
.search-box:focus-within{background:#fff;border-color:var(--c-primary);}
.search-box svg{flex-shrink:0;color:var(--c-text-mute);}
.search-box input{
  border:0;background:transparent;outline:none;width:190px;height:38px;color:var(--c-text);font-size:14px;
}
.search-box input::placeholder{color:var(--c-text-mute);}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;
}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .24s ease-out;padding:22px 20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(15,27,45,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:600;color:var(--c-text-mute);letter-spacing:.08em;margin:6px 0 12px;}
.drawer nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;
  color:var(--c-text);font-weight:500;
}
.drawer nav a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.drawer nav a.is-active{color:var(--c-primary);background:#EAF1FE;}
.drawer .search-box{width:100%;margin:16px 0 12px;}
.drawer .search-box input{width:100%;}
.drawer .btn{width:100%;}
.drawer-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;border:1px solid var(--c-border);
  background:#fff;cursor:pointer;color:var(--c-text-sub);font-size:18px;line-height:1;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:0 10px 22px rgba(31,93,216,.28);transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-alt);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-on-dark{background:#fff;color:var(--c-primary);}
.btn-on-dark:hover{background:#EAF1FE;color:var(--c-primary-dark);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-link{background:none;border:0;padding:0;height:auto;color:var(--c-primary);font-weight:600;text-decoration:underline;text-underline-offset:4px;}
.btn-link:hover{color:var(--c-primary-dark);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-primary-dark);}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(23,72,168,.94) 0%,rgba(31,93,216,.78) 55%,rgba(23,72,168,.66) 100%);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:84px;padding-bottom:84px;}
.hero-copy{color:#fff;}
.hero-copy .pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);color:#EAF2FF;
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{color:#fff;font-size:44px;line-height:1.24;margin-bottom:16px;}
.hero-sub{color:#DCE8FF;font-size:18px;font-weight:500;max-width:600px;margin-bottom:16px;line-height:1.6;}
.hero-desc{color:rgba(255,255,255,.82);font-size:15.5px;max-width:620px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;}
.hero-stats li{display:flex;flex-direction:column;}
.hero-stats .num{font-size:28px;font-weight:700;color:#fff;line-height:1.2;letter-spacing:-.02em;}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.72);}

.hero-panel{
  background:#fff;border-radius:18px;padding:24px;box-shadow:0 24px 60px rgba(9,26,60,.32);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px;}
.hero-panel-head h2{font-size:17px;font-weight:700;}
.hero-panel-head span{font-size:12px;color:var(--c-text-mute);}
.hero-panel-sub{font-size:13px;color:var(--c-text-mute);margin-bottom:16px;}
.mini-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-top:1px solid var(--c-border);}
.mini-row:first-of-type{border-top:0;}
.mini-no{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;background:#EDF1F7;color:var(--c-text-sub);
}
.mini-no.is-top{background:var(--c-accent);color:#fff;}
.mini-thumb{width:58px;height:34px;border-radius:8px;overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#DCE6F7,#B9CDEF);}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body{min-width:0;flex:1;}
.mini-body .t{font-size:14px;font-weight:600;color:var(--c-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mini-body .m{font-size:12px;color:var(--c-text-mute);}
.mini-score{font-size:15px;font-weight:700;color:var(--c-data);}

/* ---------- 评分条 ---------- */
.rating{display:inline-block;width:120px;height:6px;border-radius:999px;background:var(--c-border);overflow:hidden;vertical-align:middle;}
.rating i{display:block;height:100%;border-radius:999px;background:var(--c-data);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D5E0F0;}
.card h3{margin-bottom:8px;}
.card p{font-size:14.5px;margin-bottom:0;line-height:1.7;}
.icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:#EAF1FE;color:var(--c-primary);margin-bottom:16px;
}
.icon--accent{background:#FFEDE6;color:var(--c-accent);}
.icon--data{background:#E2F5F4;color:var(--c-data);}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#EAF1FE;color:var(--c-primary);font-size:13px;font-weight:500;
}
.tag--accent{background:var(--c-accent);color:#fff;}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 痛点 / 场景 ---------- */
.pain-card{display:flex;gap:16px;align-items:flex-start;}
.pain-card .icon{margin-bottom:0;flex-shrink:0;width:44px;height:44px;}
.pain-card h3{font-size:17px;margin-bottom:6px;}

/* ---------- 不对称栅格 ---------- */
.solve-wrap{display:grid;grid-template-columns:1.15fr 1fr;gap:var(--gap);}
.solve-main{
  background:linear-gradient(140deg,#1F5DD8,#1748A8);color:#fff;border-radius:var(--r-card);padding:32px;
  display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 18px 44px rgba(31,93,216,.28);
}
.solve-main h3{color:#fff;font-size:23px;margin-bottom:12px;}
.solve-main p{color:rgba(255,255,255,.82);font-size:15px;max-width:420px;}
.solve-main .icon{background:rgba(255,255,255,.16);color:#fff;}
.solve-side{display:grid;gap:var(--gap);}
.solve-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#fff;margin-top:18px;}
.solve-link:hover{color:#E4EDFF;}
.card-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);margin-top:14px;}
.card-arrow:hover{color:var(--c-primary-dark);}

/* ---------- 步骤 ---------- */
.stepper{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);position:relative;}
.step{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.step:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.step-no{
  width:38px;height:38px;border-radius:999px;background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;margin-bottom:0;}

/* ---------- 数据指标 ---------- */
.metric{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.metric:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.metric .num{font-size:38px;font-weight:700;color:var(--c-primary);line-height:1.1;letter-spacing:-.02em;}
.metric .lbl{font-size:14px;color:var(--c-text-sub);margin-top:6px;}
.metric .bar{height:5px;border-radius:999px;background:var(--c-border);margin-top:16px;overflow:hidden;}
.metric .bar i{display:block;height:100%;border-radius:999px;background:var(--c-data);}
.metric .src{font-size:12.5px;color:var(--c-text-mute);margin-top:10px;}

/* ---------- 证言 ---------- */
.quote-card{display:flex;flex-direction:column;gap:14px;}
.stars{display:flex;gap:3px;color:var(--c-accent);}
.quote-text{font-size:15px;color:var(--c-text);margin:0;line-height:1.75;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;background:linear-gradient(135deg,#DCE6F7,#B9CDEF);flex-shrink:0;}
.avatar img{width:100%;height:100%;object-fit:cover;}
.quote-user .n{font-size:14px;font-weight:600;color:var(--c-text);}
.quote-user .r{font-size:12.5px;color:var(--c-text-mute);}

/* ---------- 榜单 ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-row{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:16px 22px;box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.rank-row:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D5E0F0;}
.rank-no{
  width:48px;height:48px;flex-shrink:0;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:700;background:#EDF1F7;color:var(--c-text-sub);
}
.rank-no.is-top{background:var(--c-accent);color:#fff;font-size:24px;width:56px;height:56px;border-radius:14px;}
.rank-thumb{width:150px;height:84px;border-radius:10px;overflow:hidden;flex-shrink:0;background:linear-gradient(135deg,#DCE6F7,#B9CDEF);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{flex:1;min-width:0;}
.rank-title{font-size:17px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.rank-title a{color:inherit;}
.rank-title a:hover{color:var(--c-primary);}
.rank-meta{font-size:13px;color:var(--c-text-mute);margin-top:8px;}
.rank-score{display:flex;flex-direction:column;align-items:flex-end;gap:6px;flex-shrink:0;}
.rank-score .score-num{font-size:20px;font-weight:700;color:var(--c-data);}

/* ---------- 专题卡 ---------- */
.topic-card{overflow:hidden;padding:0;}
.topic-cover{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#DCE6F7,#B9CDEF);}
.topic-cover img{width:100%;height:100%;object-fit:cover;}
.topic-body{padding:20px 22px 24px;}
.topic-body h3{font-size:17px;margin-bottom:6px;}
.topic-body .cnt{font-size:13px;color:var(--c-text-mute);}

/* ---------- 对比表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh);}
.cmp-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.cmp-table thead th{
  background:var(--c-surface-alt);color:var(--c-text);font-size:14px;font-weight:600;
  text-align:left;padding:16px 22px;border-bottom:1px solid var(--c-border);
}
.cmp-table tbody td{padding:16px 22px;border-bottom:1px solid var(--c-border);color:var(--c-text-sub);vertical-align:top;}
.cmp-table tbody tr:nth-child(even){background:#FAFCFF;}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table td:first-child{color:var(--c-text);font-weight:600;}

/* ---------- 条形图 ---------- */
.chart{background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh);}
.chart-row{display:flex;align-items:center;gap:16px;margin-bottom:18px;}
.chart-row:last-child{margin-bottom:0;}
.chart-label{width:110px;flex-shrink:0;font-size:14px;color:var(--c-text-sub);}
.chart-track{flex:1;height:12px;border-radius:999px;background:var(--c-border);overflow:hidden;}
.chart-track i{display:block;height:100%;border-radius:999px;transition:width .4s ease-out;}
.chart-val{width:52px;text-align:right;font-size:14px;font-weight:600;color:var(--c-text);}
.legend{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:22px;border-top:1px solid var(--c-border);}
.legend li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-text-sub);}
.legend .dot{width:10px;height:10px;border-radius:3px;}

/* ---------- 更新列表 ---------- */
.news-item{
  display:flex;align-items:center;gap:20px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:20px 24px;box-shadow:var(--sh);margin-bottom:14px;
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.news-item:last-child{margin-bottom:0;}
.news-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D5E0F0;}
.news-date{
  width:96px;flex-shrink:0;font-size:13.5px;font-weight:600;color:var(--c-primary);
  background:#EAF1FE;border-radius:10px;padding:8px 0;text-align:center;
}
.news-body{flex:1;min-width:0;}
.news-body h3{font-size:16.5px;margin-bottom:4px;}
.news-body p{font-size:14px;margin:0;}

/* ---------- FAQ ---------- */
.accordion{background:transparent;border:0;margin:0;}
.accordion .accordion-item{
  border:1px solid var(--c-border);border-radius:var(--r-card);background:#fff;margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh);transition:box-shadow .18s ease-out;
}
.accordion .accordion-item:hover{box-shadow:var(--sh-hover);}
.accordion .accordion-title{
  border:0;background:transparent;padding:20px 64px 20px 22px;font-size:16.5px;font-weight:600;color:var(--c-text);
  position:relative;line-height:1.5;transition:background .18s ease-out,color .18s ease-out;
}
.accordion .accordion-title:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.accordion .accordion-title::before,
.accordion .accordion-title::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:opacity .18s ease-out,transform .18s ease-out;
}
.accordion .accordion-title::before{width:2px;height:14px;top:50%;right:28px;margin-top:-7px;}
.accordion .accordion-title::after{width:14px;height:2px;top:50%;right:22px;margin-top:-1px;}
.accordion .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.accordion .accordion-item.is-active .accordion-title::before{opacity:0;transform:rotate(90deg);}
.accordion .accordion-content{padding:0 22px 22px;border:0;background:transparent;color:var(--c-text-sub);font-size:15.5px;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- 订阅表单 ---------- */
.subscribe{
  background:#fff;border:1px solid var(--c-border);border-radius:18px;padding:36px;box-shadow:var(--sh);
  display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;
}
.subscribe h2{font-size:26px;margin-bottom:10px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input[type="email"]{
  flex:1;min-width:220px;height:44px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--c-border);background:#F7F9FC;outline:none;color:var(--c-text);
  transition:border-color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
}
.sub-form input[type="email"]:focus{border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(31,93,216,.12);}
.sub-note{font-size:13px;color:var(--c-text-mute);margin:14px 0 0;}

/* ---------- 底部 CTA ---------- */
.final-cta{position:relative;overflow:hidden;background:var(--c-surface-alt);}
.final-cta::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;opacity:.12;
}
.final-cta .container{position:relative;z-index:1;text-align:center;}
.final-cta h2{font-size:32px;margin-bottom:14px;}
.final-cta p{margin:0 auto 28px;max-width:640px;}
.final-cta .actions{display:flex;justify-content:center;align-items:center;gap:22px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--c-border);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-grid h4{font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:16px;}
.footer-grid p{font-size:14px;color:var(--c-text-sub);max-width:300px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--c-text-sub);}
.footer-links a:hover{color:var(--c-primary);}
.footer-social{display:flex;gap:14px;margin-top:14px;}
.footer-social a{
  width:20px;height:20px;color:var(--c-text-mute);display:inline-flex;align-items:center;justify-content:center;
}
.footer-social a:hover{color:var(--c-primary);}
.footer-bottom{
  border-top:1px solid var(--c-border);padding:22px 0;display:flex;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:13px;color:var(--c-text-mute);
}
.footer-bottom a{color:var(--c-text-mute);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav{display:none;}
  .header-tools .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding-top:60px;padding-bottom:64px;}
  .hero h1{font-size:36px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stepper{grid-template-columns:repeat(2,minmax(0,1fr));}
  .solve-wrap{grid-template-columns:1fr;}
  .subscribe{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:56px 0;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:22px;}
  .hero-stats .num{font-size:22px;}
  .grid-3,.grid-4,.grid-6{grid-template-columns:1fr;}
  .stepper{grid-template-columns:1fr;}
  .rank-row{flex-wrap:wrap;padding:16px;}
  .rank-thumb{width:100%;height:auto;aspect-ratio:16/9;}
  .rank-score{flex-direction:row;align-items:center;gap:12px;width:100%;justify-content:space-between;}
  .rank-no,.rank-no.is-top{width:42px;height:42px;font-size:18px;border-radius:11px;}
  .news-item{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-date{width:auto;padding:6px 14px;}
  .chart-label{width:78px;font-size:13px;}
  .chart{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .subscribe{padding:24px;}
  .final-cta h2{font-size:24px;}
  /* 表格降级为卡片 */
  .cmp-table thead{display:none;}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%;}
  .cmp-table tbody tr{
    border:1px solid var(--c-border);border-radius:14px;margin:14px;padding:6px 0;background:#fff;
    box-shadow:var(--sh);
  }
  .cmp-table tbody tr:nth-child(even){background:#fff;}
  .cmp-table tbody td{
    display:flex;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px dashed var(--c-border);
  }
  .cmp-table tbody td:last-child{border-bottom:0;}
  .cmp-table tbody td::before{
    content:attr(data-label);font-size:13px;font-weight:600;color:var(--c-text-sub);flex-shrink:0;
  }
  .table-wrap{border:0;border-radius:0;box-shadow:none;background:transparent;overflow:visible;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1F5DD8;
  --c-primary-dark:#1748A8;
  --c-accent:#FF6B3D;
  --c-data:#0FA9A0;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-surface-alt:#F1F6FD;
  --c-text:#0F1B2D;
  --c-text-sub:#5A6B82;
  --c-text-mute:#8A99AD;
  --c-border:#E4EAF2;
  --r-card:14px;
  --r-btn:10px;
  --sh:0 1px 2px rgba(15,27,45,.04), 0 8px 24px rgba(15,27,45,.06);
  --sh-hover:0 2px 4px rgba(15,27,45,.06), 0 16px 36px rgba(15,27,45,.12);
  --ctn:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  font-variant-numeric:tabular-nums;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 12px;color:var(--c-text);font-weight:700;line-height:1.35;letter-spacing:.01em;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:16px;}
p{margin:0 0 14px;color:var(--c-text-sub);max-width:760px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
::selection{background:#D9E6FF;color:var(--c-text);}

/* ---------- 容器与板块 ---------- */
.container{width:100%;max-width:var(--ctn);margin:0 auto;padding-left:32px;padding-right:32px;}
.section{padding:88px 0;}
.section--alt{background:var(--c-surface-alt);}
.section--white{background:var(--c-surface);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin-bottom:12px;}
.section-head p{margin-bottom:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:#E7EFFC;color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-border);box-shadow:0 1px 2px rgba(15,27,45,.03);
  transition:box-shadow .2s ease-out;
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(15,27,45,.10);}
.header-inner{display:flex;align-items:center;gap:24px;height:66px;width:100%;max-width:var(--ctn);margin:0 auto;padding:0 32px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;color:var(--c-primary);}
.brand-name{font-size:18px;font-weight:700;color:var(--c-text);letter-spacing:.01em;}
.brand:hover .brand-name{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:8px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:66px;font-size:16px;font-weight:500;color:var(--c-text-sub);}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--c-text);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;
  background:#F2F5FA;border:1px solid transparent;transition:border-color .18s ease-out,background .18s ease-out;
}
.search-box:focus-within{background:#fff;border-color:var(--c-primary);}
.search-box svg{flex-shrink:0;color:var(--c-text-mute);}
.search-box input{border:0;background:transparent;outline:none;width:190px;height:38px;color:var(--c-text);font-size:14px;}
.search-box input::placeholder{color:var(--c-text-mute);}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--c-border);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--c-text);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-text);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(100%);transition:transform .24s ease-out;padding:22px 20px;overflow-y:auto;
  box-shadow:-12px 0 32px rgba(15,27,45,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;font-weight:600;color:var(--c-text-mute);letter-spacing:.08em;margin:6px 0 12px;}
.drawer nav a{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;color:var(--c-text);font-weight:500;}
.drawer nav a:hover{background:var(--c-surface-alt);color:var(--c-primary);}
.drawer nav a.is-active{color:var(--c-primary);background:#EAF1FE;}
.drawer .search-box{width:100%;margin:16px 0 12px;}
.drawer .search-box input{width:100%;}
.drawer .btn{width:100%;}
.drawer-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;border:1px solid var(--c-border);
  background:#fff;cursor:pointer;color:var(--c-text-sub);font-size:18px;line-height:1;
}
.drawer-close:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out,transform .18s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;box-shadow:0 10px 22px rgba(31,93,216,.28);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-surface-alt);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);border-bottom:2px solid transparent;padding-bottom:2px;}
.btn-link:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-accent);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- 分类页头带 ---------- */
.cat-hero{position:relative;background:var(--c-surface-alt);border-bottom:1px solid var(--c-border);overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;opacity:.10;
}
.cat-hero .container{position:relative;padding-top:32px;padding-bottom:34px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-mute);margin-bottom:14px;}
.crumbs a{color:var(--c-text-sub);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs .sep{color:var(--c-text-mute);}
.cat-hero h1{font-size:38px;margin-bottom:10px;}
.cat-hero h1 em{font-style:normal;color:var(--c-primary);}
.cat-lead{font-size:16px;color:var(--c-text-sub);max-width:760px;margin-bottom:0;}
.stat-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.stat-strip li{
  display:inline-flex;align-items:baseline;gap:8px;padding:8px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--c-border);box-shadow:var(--sh);
}
.stat-strip b{font-size:18px;font-weight:700;color:var(--c-primary);}
.stat-strip span{font-size:13px;color:var(--c-text-sub);}

/* ---------- 通用卡片 ---------- */
.card{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D8E3F3;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{font-size:15px;margin-bottom:0;}
.icon-badge{
  display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  background:#EAF1FE;color:var(--c-primary);margin-bottom:14px;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:#E7EFFC;color:var(--c-primary);font-size:13px;font-weight:500;line-height:1;
}
.tag-accent{background:var(--c-accent);color:#fff;}
.tag-plain{background:#F2F5FA;color:var(--c-text-sub);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}

/* ---------- 榜单列表 ---------- */
.rank-list{display:flex;flex-direction:column;gap:16px;}
.rank-row{
  display:grid;gap:20px;align-items:center;
  grid-template-columns:56px 190px minmax(0,1fr) 158px;
  grid-template-areas:"no thumb body score";
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:18px 22px;box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.rank-row:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D8E3F3;}
.rank-no{
  grid-area:no;width:48px;height:48px;border-radius:12px;background:var(--c-surface-alt);color:var(--c-text);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;
}
.rank-no.is-top{background:var(--c-accent);color:#fff;font-size:24px;box-shadow:0 8px 18px rgba(255,107,61,.28);}
.rank-thumb{
  grid-area:thumb;display:block;border-radius:10px;overflow:hidden;aspect-ratio:16/9;
  background:linear-gradient(135deg,#E7EFFC,#D7E5FA);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{grid-area:body;min-width:0;}
.rank-title{font-size:18px;font-weight:600;margin:0 0 8px;line-height:1.45;}
.rank-desc{
  font-size:14px;color:var(--c-text-sub);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--c-text-mute);}
.rank-meta b{color:var(--c-text-sub);font-weight:600;}
.rank-score{grid-area:score;display:flex;flex-direction:column;gap:8px;}
.rate{display:flex;align-items:center;gap:10px;}
.rate-track{position:relative;flex:1;min-width:64px;height:6px;border-radius:999px;background:var(--c-border);overflow:hidden;}
.rate-fill{display:block;height:100%;border-radius:999px;background:var(--c-data);}
.rate-num{font-size:13px;font-weight:700;color:var(--c-text);min-width:32px;text-align:right;}
.score-note{font-size:12px;color:var(--c-text-mute);}

/* ---------- Top5 精选 ---------- */
.top5-wrap{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 12px;scroll-snap-type:x mandatory;}
.top5-card{
  flex:0 0 224px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:14px;box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.top5-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.top5-head{display:flex;align-items:center;gap:10px;margin-bottom:10px;}
.top5-no{
  width:34px;height:34px;border-radius:10px;background:var(--c-surface-alt);color:var(--c-text);
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;
}
.top5-no.is-top{background:var(--c-accent);color:#fff;}
.top5-score{font-size:13px;font-weight:700;color:var(--c-data);margin-left:auto;}
.top5-thumb{border-radius:10px;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#E7EFFC,#D7E5FA);}
.top5-thumb img{width:100%;height:100%;object-fit:cover;}
.top5-title{font-size:15px;font-weight:600;margin:12px 0 0;line-height:1.5;}

/* ---------- 要点卡 ---------- */
.point-card{display:flex;gap:16px;align-items:flex-start;}
.point-card .icon-badge{margin-bottom:0;flex-shrink:0;}
.point-card h3{font-size:17px;margin-bottom:6px;}
.point-card p{font-size:14px;}

/* ---------- 数据条形图 ---------- */
.panel{
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
}
.panel h3{font-size:18px;margin-bottom:6px;}
.panel .panel-sub{font-size:13px;color:var(--c-text-mute);margin-bottom:20px;}
.bars{display:flex;flex-direction:column;gap:16px;}
.bar-row{display:grid;grid-template-columns:96px minmax(0,1fr) 52px;align-items:center;gap:14px;}
.bar-label{font-size:14px;color:var(--c-text-sub);}
.bar-track{height:10px;border-radius:999px;background:var(--c-border);overflow:hidden;}
.bar-fill{display:block;height:100%;border-radius:999px;background:var(--c-primary);}
.bar-fill.is-data{background:var(--c-data);}
.bar-fill.is-accent{background:var(--c-accent);}
.bar-val{font-size:13px;font-weight:700;color:var(--c-text);text-align:right;}
.legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-size:13px;color:var(--c-text-sub);}
.legend span{display:inline-flex;align-items:center;gap:7px;}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block;}
.dot-primary{background:var(--c-primary);}
.dot-data{background:var(--c-data);}
.dot-accent{background:var(--c-accent);}

/* ---------- FAQ ---------- */
.faq-acc{border:1px solid var(--c-border);border-radius:var(--r-card);overflow:hidden;background:var(--c-surface);box-shadow:var(--sh);margin:0;}
.faq-acc .accordion-item{border:0;background:var(--c-surface);}
.faq-acc .accordion-item + .accordion-item{border-top:1px solid var(--c-border);}
.faq-acc .accordion-title{
  position:relative;display:block;padding:20px 60px 20px 24px;background:var(--c-surface);
  border:0;font-size:17px;font-weight:600;color:var(--c-text);line-height:1.55;
}
.faq-acc .accordion-title:hover{color:var(--c-primary);background:#FAFCFF;}
.faq-acc .accordion-title::before,
.faq-acc .accordion-title::after{
  content:"";position:absolute;right:24px;top:50%;background:var(--c-text-sub);border-radius:2px;
  transition:transform .18s ease-out,opacity .18s ease-out,background .18s ease-out;
}
.faq-acc .accordion-title::before{width:14px;height:2px;transform:translateY(-50%);}
.faq-acc .accordion-title::after{width:2px;height:14px;right:30px;transform:translateY(-50%);}
.faq-acc .accordion-item.is-active .accordion-title::after{opacity:0;transform:translateY(-50%) rotate(90deg);}
.faq-acc .accordion-item.is-active .accordion-title{color:var(--c-primary);}
.faq-acc .accordion-content{padding:0 60px 22px 24px;background:var(--c-surface);border:0;}
.faq-acc .accordion-content p{font-size:15px;color:var(--c-text-sub);max-width:820px;}

/* ---------- 延伸阅读 ---------- */
.read-list{display:flex;flex-direction:column;gap:14px;}
.read-item{
  display:flex;align-items:center;gap:20px;padding:18px 22px;background:var(--c-surface);
  border:1px solid var(--c-border);border-radius:var(--r-card);box-shadow:var(--sh);
  transition:box-shadow .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.read-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D8E3F3;}
.read-date{font-size:13px;color:var(--c-text-mute);min-width:96px;}
.read-main{min-width:0;flex:1;}
.read-main h3{font-size:17px;margin-bottom:4px;}
.read-main p{font-size:14px;margin:0;}
.read-arrow{color:var(--c-primary);flex-shrink:0;display:inline-flex;}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  position:relative;background:var(--c-surface-alt);border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-6.jpg") center/cover no-repeat;opacity:.12;
}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;padding:60px 0;}
.cta-text{max-width:640px;}
.cta-text h2{font-size:28px;margin-bottom:10px;}
.cta-text p{margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-surface-alt);border-top:1px solid var(--c-border);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{color:var(--c-primary);}
.footer-brand .brand-name{font-size:18px;font-weight:700;color:var(--c-text);}
.site-footer h4{font-size:14px;font-weight:600;margin-bottom:16px;}
.site-footer p{font-size:14px;color:var(--c-text-sub);max-width:330px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--c-text-sub);}
.footer-links a:hover{color:var(--c-primary);}
.footer-social{display:flex;gap:12px;margin-top:16px;}
.footer-social a{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--c-border);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-text-sub);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.footer-social a:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--c-border);padding:20px 0 28px;font-size:13px;color:var(--c-text-mute);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .header-inner{padding:0 24px;gap:16px;}
  .main-nav{display:none;}
  .header-tools .search-box{display:none;}
  .hamburger{display:inline-flex;}
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-row{
    grid-template-columns:52px minmax(0,1fr) 150px;
    grid-template-areas:"no body score" "thumb body score";
    align-items:start;
  }
  .rank-thumb{max-width:150px;margin-top:6px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .cat-hero h1{font-size:30px;}
  .cat-hero .container{padding-top:24px;padding-bottom:26px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-inner{padding:48px 0;}
}
@media (max-width:639px){
  h1{font-size:28px;}
  h2{font-size:23px;}
  .container{padding-left:20px;padding-right:20px;}
  .header-inner{padding:0 20px;}
  .header-tools .btn-primary{display:none;}
  .section{padding:52px 0;}
  .card{padding:18px;}
  .panel{padding:20px;}
  .rank-row{
    grid-template-columns:48px minmax(0,1fr);
    grid-template-areas:"no body" "thumb thumb" "score score";
    padding:16px;gap:14px;
  }
  .rank-thumb{max-width:none;margin-top:0;}
  .rank-no{width:44px;height:44px;font-size:18px;}
  .bar-row{grid-template-columns:76px minmax(0,1fr) 44px;gap:10px;}
  .read-item{flex-wrap:wrap;gap:10px;}
  .read-date{min-width:auto;}
  .faq-acc .accordion-title{padding:16px 52px 16px 18px;font-size:16px;}
  .faq-acc .accordion-content{padding:0 18px 18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .footer-bottom{justify-content:flex-start;}
}