/* roulang page: index */
:root{
  --brand-600:#FF6A2C;
  --brand-700:#E04E12;
  --brand-100:#FFE7DB;
  --brand-50:#FFF5EF;
  --ink-900:#241B3A;
  --ink-700:#3A2F5C;
  --ink-100:#EDE9F6;
  --mint-500:#12BFA3;
  --mint-100:#DEF7F2;
  --sun-400:#FFC24B;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --surface-2:#F6F1EC;
  --text:#1B1725;
  --text-2:#5C5568;
  --text-3:#8E8798;
  --line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
h1{
  font-size:clamp(30px,4.8vw,46px);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
}
h2{
  font-size:clamp(24px,3.2vw,34px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
h3{font-size:21px;font-weight:700;line-height:1.4}
.lead{font-size:16px;line-height:1.85;color:var(--text-2)}
.muted{color:var(--text-3);font-size:13px;line-height:1.7}
.section-head p.lead{margin-top:14px}
.title-bar{position:relative;padding-left:16px}
.title-bar::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--grad-a);
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:650;letter-spacing:.01em;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background-color var(--t) var(--ease),border-color var(--t) var(--ease),filter var(--t) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:0 6px 18px rgba(255,106,44,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-50);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--ink-900)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.2)}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-700);font-weight:600;font-size:14.5px;
  transition:gap var(--t) var(--ease),color var(--t) var(--ease);
}
.link-arrow::after{content:"→";transition:transform var(--t) var(--ease)}
.link-arrow:hover{color:var(--brand-600)}
.link-arrow:hover::after{transform:translateX(3px)}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-up{background:var(--mint-100);color:#0B8E7A}
.badge-up::before{content:"▲";font-size:9px}
.badge-flat{background:var(--ink-100);color:var(--ink-700)}
.badge-flat::before{content:"—";font-size:10px}
.badge-tip{background:var(--brand-100);color:var(--brand-700)}
.badge-tip::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-600)}
.badge-sun{background:#FFF3D6;color:#8A5A00}
.badge-sun::before{content:"★";font-size:9px}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);transition:box-shadow var(--t) var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.header-main{border-bottom:1px solid rgba(255,106,44,.25)}
.header-main-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height var(--t) var(--ease)}
.site-header.is-scrolled .header-main-inner{height:56px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-a);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,106,44,.3);flex:0 0 auto;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink-900)}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);margin-top:3px}
.search-box{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;
  background:var(--surface-2);border:2px solid transparent;border-radius:var(--r-pill);
  height:44px;padding:0 6px 0 18px;transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.search-box:focus-within{background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(255,106,44,.12)}
.search-box input{flex:1;border:none;background:transparent;height:100%;font-size:14.5px;outline:none}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{
  height:34px;padding:0 18px;border-radius:var(--r-pill);background:var(--grad-a);
  color:#fff;font-size:13.5px;font-weight:600;transition:filter var(--t) var(--ease);
}
.search-box button:hover{filter:brightness(1.06)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex:0 0 auto}
.link-help{font-size:14.5px;font-weight:600;color:var(--text-2);transition:color var(--t) var(--ease)}
.link-help:hover{color:var(--brand-600)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--surface-2);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background var(--t) var(--ease);
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle:hover{background:var(--brand-100)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.header-channels{background:var(--surface-2);border-bottom:1px solid var(--line)}
.channels-inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.channels-inner::-webkit-scrollbar{display:none}
.chan{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);scroll-snap-align:start;
  transition:background-color var(--t) var(--ease),color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.chan:hover{background:var(--brand-50);color:var(--brand-700)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:0 4px 14px rgba(255,106,44,.28)}
.chan .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-400)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:68px 0 0 0;background:var(--surface);z-index:55;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
  overflow-y:auto;padding:24px 20px 120px;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-title{font-size:13px;font-weight:600;color:var(--text-3);margin:8px 0 14px}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.drawer-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--surface-2);font-size:14.5px;font-weight:600;
}
.drawer-item.is-active{background:var(--brand-100);border-color:rgba(255,106,44,.35);color:var(--brand-700)}
.drawer-foot{
  position:fixed;left:0;right:0;bottom:0;padding:16px 20px;background:#fff;
  border-top:1px solid var(--line);
}

/* Hero */
.hero{padding:72px 0 88px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;top:-220px;right:-160px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,44,.16) 0%,rgba(255,106,44,0) 68%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:40px;align-items:center;position:relative}
.hero-copy{grid-column:span 6}
.hero-copy h1{margin-bottom:18px}
.hero-sub{font-size:16.5px;line-height:1.8;color:var(--text-2);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-visual{grid-column:span 6;position:relative}
.hero-card{
  position:relative;border-radius:var(--r-2xl);background:var(--grad-b);
  padding:14px;overflow:hidden;box-shadow:var(--sh-lg);
}
.hero-card::after{
  content:"";position:absolute;top:-70px;right:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,165,61,.18) 0%,rgba(255,165,61,0) 70%);
}
.hero-card img{
  width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--r-xl);position:relative;z-index:1;
}
.hero-float{
  position:absolute;right:22px;bottom:22px;z-index:2;
  background:rgba(255,255,255,.96);border-radius:var(--r-lg);padding:14px 18px;
  box-shadow:var(--sh-md);display:flex;flex-direction:column;gap:4px;
}
.hero-float .num{font-size:26px;font-weight:800;line-height:1;color:var(--ink-900)}
.hero-float .lb{font-size:12px;color:var(--text-3)}

/* 指标看板 */
.metrics{background:var(--grad-b);color:#fff;position:relative;overflow:hidden}
.metrics::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.metrics .container{position:relative}
.metrics .eyebrow{background:rgba(255,106,44,.18);color:#FFC7A9}
.metrics h2{color:#fff}
.metrics .lead{color:#C9C2DF}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.metric-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-xl);padding:24px;position:relative;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.metric-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:var(--grad-c);opacity:.9;
}
.metric-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.08);border-color:rgba(255,138,86,.5)}
.metric-label{font-size:13px;color:#BDB5D4;font-weight:500}
.metric-num{
  font-size:clamp(36px,4.4vw,52px);font-weight:800;line-height:1;margin:14px 0 6px;
  background:linear-gradient(120deg,#FFFFFF 0%,#FFC7A9 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-unit{font-size:14px;font-weight:600;color:#FFB08A;margin-left:4px;-webkit-text-fill-color:initial}
.metric-foot{font-size:12.5px;color:#A79FC2;line-height:1.6;margin-top:10px}
.metric-badge{position:absolute;top:20px;right:20px}

/* Bento 服务矩阵 */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.bento-main{
  grid-column:span 6;grid-row:span 2;position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px;display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.bento-main::before,.bento-sm::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-a);
  opacity:0;transition:opacity var(--t) var(--ease);
}
.bento-main:hover,.bento-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.bento-main:hover::before,.bento-sm:hover::before{opacity:1}
.bento-main img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);margin-bottom:20px}
.bento-main h3{margin-bottom:10px}
.bento-main p{color:var(--text-2);font-size:15px;line-height:1.8}
.bento-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.bento-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2)}
.bento-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:7px;border-radius:3px;
  background:linear-gradient(120deg,#FFA53D,#FF3D6E);opacity:.85;
}
.bento-main .link-arrow{margin-top:auto;padding-top:20px}
.bento-sm{
  grid-column:span 3;position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;display:flex;flex-direction:column;gap:12px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.bento-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:19px;font-weight:800;
}
.bento-sm h3{font-size:18px}
.bento-sm p{font-size:14px;line-height:1.75;color:var(--text-2)}
.bento-sm .badge{align-self:flex-start;margin-top:auto}

/* 结果对比 */
.compare-wrap{display:grid;grid-template-columns:1fr 72px 1fr;align-items:stretch;gap:0}
.compare-card{border-radius:var(--r-2xl);padding:28px;display:flex;flex-direction:column;gap:14px}
.compare-card.dim{background:var(--surface-2);border:1px solid var(--line);color:var(--text-2)}
.compare-card.dim h3{color:var(--text-2)}
.compare-card.win{
  background:var(--surface);border:2px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad-a);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 14px 40px rgba(255,106,44,.16);
}
.compare-card h3{font-size:20px}
.compare-list{display:flex;flex-direction:column;gap:12px}
.compare-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7}
.compare-list li span:first-child{flex:0 0 auto;font-weight:700}
.compare-card.dim .compare-list li span:first-child{color:var(--text-3)}
.compare-card.win .compare-list li span:first-child{color:var(--brand-600)}
.vs{
  display:flex;align-items:center;justify-content:center;
}
.vs span{
  width:56px;height:56px;border-radius:50%;background:var(--grad-a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  box-shadow:var(--sh-glow);
}
.bars{margin-top:40px;display:flex;flex-direction:column;gap:26px}
.bar-item{display:grid;grid-template-columns:150px 1fr 150px 1fr;align-items:center;gap:16px}
.bar-name{font-size:13px;font-weight:600;color:var(--text-2)}
.bar-track{height:10px;border-radius:var(--r-pill);background:var(--ink-100);overflow:hidden}
.bar-track.mint .bar-fill{background:var(--grad-c)}
.bar-track.gray .bar-fill{background:#CFC8DA}
.bar-fill{height:100%;border-radius:var(--r-pill);transition:width 600ms var(--ease)}
.bar-val{font-size:13px;font-weight:700;color:var(--text)}
.bar-val.muted{color:var(--text-3)}

/* 资讯卡 */
.filters{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;margin-bottom:28px}
.filters::-webkit-scrollbar{display:none}
.filter-pill{
  flex:0 0 auto;height:34px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.filter-pill:hover{background:var(--brand-50);border-color:rgba(255,106,44,.4);color:var(--brand-700)}
.filter-pill.is-active{background:var(--grad-a);border-color:transparent;color:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(255,106,44,.35)}
.news-cover{position:relative;aspect-ratio:16/9;background:var(--grad-a)}
.news-cover img{width:100%;height:100%;object-fit:cover}
.news-cover .cat{
  position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand-700);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t) var(--ease);
}
.news-card:hover .news-body h3{color:var(--brand-700)}
.news-body p{
  font-size:14px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);
}
.empty-state{
  grid-column:1/-1;padding:64px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-xl);
}
.empty-art{
  width:96px;height:96px;margin:0 auto 20px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,#FFE7DB 0%,#FFD3BE 55%,#FFF5EF 100%);
  position:relative;
}
.empty-art::after{
  content:"";position:absolute;left:50%;top:50%;width:44px;height:44px;border-radius:50%;
  transform:translate(-50%,-50%);border:4px solid var(--brand-600);border-right-color:transparent;
  opacity:.7;
}
.empty-state p{color:var(--text-2);margin-bottom:20px;font-size:15px}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:40px;align-items:start}
.faq-aside{grid-column:span 4}
.faq-list{grid-column:span 8;display:flex;flex-direction:column;gap:12px}
details.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
  position:relative;
}
details.faq::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-a);
  opacity:0;transition:opacity var(--t) var(--ease);
}
details.faq:hover{border-color:rgba(255,106,44,.35)}
details.faq[open]{border-color:rgba(255,106,44,.55);box-shadow:var(--sh-sm)}
details.faq[open]::before{opacity:1}
details.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:650;line-height:1.6;
}
details.faq summary::-webkit-details-marker{display:none}
.faq-plus{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--brand-100);
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;transition:transform var(--t) var(--ease);
}
details.faq[open] .faq-plus{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;animation:fadeUp 240ms var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* 转化表单 */
.cta-band{background:var(--grad-b);color:#fff;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,165,61,.18) 0%,rgba(255,165,61,0) 70%);
}
.cta-layout{display:grid;grid-template-columns:repeat(12,1fr);gap:40px;align-items:start;position:relative;z-index:1}
.cta-copy{grid-column:span 6}
.cta-copy h2{color:#fff;margin-bottom:16px}
.cta-copy p{color:#C9C2DF;font-size:15.5px;line-height:1.85}
.cta-points{margin-top:26px;display:flex;flex-direction:column;gap:16px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:#E8E4F5;line-height:1.75}
.cta-points li::before{
  content:"";flex:0 0 auto;width:10px;height:10px;margin-top:8px;border-radius:3px;
  background:var(--grad-a);
}
.form-card{
  grid-column:span 6;background:#fff;border-radius:var(--r-2xl);padding:32px;
  box-shadow:var(--sh-lg);color:var(--text);
}
.form-row{margin-bottom:18px;display:flex;flex-direction:column;gap:8px}
.form-row label{font-size:13px;font-weight:600;color:var(--text-2)}
.form-row input,.form-row select,.form-row textarea{
  width:100%;height:48px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;padding:0 14px;font-size:14.5px;outline:none;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.form-row textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7}
.form-row input::placeholder,.form-row textarea::placeholder{color:var(--text-3)}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(255,106,44,.14);
}
.form-row select{
  appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' viewBox='0 0 14 8'%3E%3Cpath d='M1 1l6 6 6-6' fill='none' stroke='%235C5568' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 16px center;padding-right:42px;
}
.form-row.is-error input,.form-row.is-error select{border-color:var(--brand-700);background:#FFF6F3}
.form-row.is-error .err{font-size:12.5px;color:var(--brand-700)}
.form-row .err{display:none}
.form-row.is-error .err{display:block}
.form-row.is-ok input,.form-row.is-ok select{border-color:var(--mint-500);background:#F5FFFC}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7}
.check-row input{width:18px;height:18px;height:18px;margin-top:2px;accent-color:var(--brand-600);flex:0 0 auto}
.form-note{margin-top:14px;font-size:12.5px;color:var(--text-3);text-align:center}
.form-status{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-md);
  font-size:14px;line-height:1.7;
}
.form-status.is-show{display:block}
.form-status.ok{background:var(--mint-100);color:#0B7A69;border:1px solid rgba(18,191,163,.4)}
.form-status.tip{background:var(--brand-100);color:var(--brand-700);border:1px solid rgba(255,106,44,.35)}

/* 底部 CTA 条 */
.bottom-cta{background:var(--grad-a);color:#fff}
.bottom-cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:26px 0;flex-wrap:wrap;
}
.bottom-cta p{font-size:16.5px;font-weight:650;line-height:1.6}
.bottom-cta .small{font-size:13px;font-weight:400;opacity:.9;margin-top:4px}

/* 页脚 */
.site-footer{background:var(--ink-900);color:#EDE9F6;position:relative;padding-top:4px}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-a)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:#A79FC2}
.footer-desc{font-size:14px;line-height:1.85;color:#BDB5D4;max-width:32em}
.footer-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{
  font-size:14px;color:#BDB5D4;position:relative;
  transition:color var(--t) var(--ease);
}
.footer-col a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}
.footer-col li span{font-size:14px;color:#BDB5D4}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:24px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:#8E8798;
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;
  background:var(--grad-a);color:#fff;font-size:20px;z-index:70;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-glow);opacity:0;pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px)}

/* 响应式 */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero-grid{gap:32px}
  .hero-copy,.hero-visual{grid-column:span 12}
  .hero-visual{order:-1}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .bento-main{grid-column:span 12;grid-row:auto}
  .bento-sm{grid-column:span 6}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-aside{grid-column:span 12}
  .faq-list{grid-column:span 12}
  .cta-copy{grid-column:span 12}
  .form-card{grid-column:span 12}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .search-box{max-width:280px}
  .bar-item{grid-template-columns:120px 1fr 110px 1fr;gap:12px}
}
@media (max-width:900px){
  .search-box{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-sm{padding:48px 0}
  .header-main-inner{height:60px}
  .site-header.is-scrolled .header-main-inner{height:56px}
  .link-help{display:none}
  .hero{padding:40px 0 56px}
  .hero-actions .btn{width:100%}
  .hero-float{right:14px;bottom:14px;padding:12px 14px}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .metric-card{padding:20px}
  .compare-wrap{grid-template-columns:1fr;gap:16px}
  .vs{padding:6px 0}
  .bar-item{grid-template-columns:1fr;gap:8px}
  .bar-item .bar-name{grid-column:1/-1}
  .bar-val{grid-column:1/-1;text-align:right}
  .news-grid{grid-template-columns:1fr}
  .bento-sm{grid-column:span 12}
  .form-card{padding:24px}
  .bottom-cta-inner{padding:22px 0}
  .bottom-cta-inner .btn{width:100%}
  .footer-grid{padding:48px 0 32px}
  .drawer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11px}
  .metric-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px;width:48px;height:48px}
  .hero-card img{aspect-ratio:4/3}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --brand-600:#FF6A2C;--brand-700:#E04E12;--brand-100:#FFE7DB;--brand-50:#FFF5EF;
  --ink-900:#241B3A;--ink-700:#3A2F5C;--ink-100:#EDE9F6;
  --mint-500:#12BFA3;--mint-100:#DEF7F2;
  --sun-400:#FFC24B;
  --bg:#FFF9F5;--surface:#FFFFFF;--surface-2:#F6F1EC;
  --text:#1B1725;--text-2:#5C5568;--text-3:#8E8798;
  --line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:24px;--r-2xl:28px;--r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t:200ms;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--text);font-size:16px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部品牌行 ============ */
.header-bar{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--t) var(--ease)}
.header-bar.is-scrolled{box-shadow:var(--sh-sm)}
.header-bar::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--grad-a);opacity:.6}
.brand-row{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;box-shadow:var(--sh-glow)}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3)}
.search-box{flex:1;max-width:420px;display:flex;align-items:center;gap:10px;height:42px;padding:0 18px;border-radius:var(--r-pill);background:var(--surface-2);border:1px solid transparent;transition:all var(--t) var(--ease)}
.search-box:focus-within{background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(255,106,44,.12)}
.search-box svg{width:16px;height:16px;flex-shrink:0;stroke:var(--text-3)}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:14.5px}
.search-box input::placeholder{color:var(--text-3)}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-help{font-size:14.5px;font-weight:600;color:var(--text-2);transition:color var(--t) var(--ease)}
.link-help:hover{color:var(--brand-600)}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform var(--t) var(--ease),opacity var(--t) var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 频道行 ============ */
.header-channels{background:var(--surface-2);border-bottom:1px solid var(--line)}
.channels-inner{height:52px;display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channels-inner::-webkit-scrollbar{display:none}
.chan{flex:0 0 auto;height:36px;display:inline-flex;align-items:center;gap:6px;padding:0 16px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;color:var(--text-2);scroll-snap-align:start;transition:all var(--t) var(--ease);white-space:nowrap}
.chan:hover{background:var(--brand-50);color:var(--brand-700)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:0 4px 14px rgba(255,106,44,.28)}
.chan .dot{width:7px;height:7px;border-radius:50%;background:var(--sun-400);display:inline-block}

/* ============ 移动抽屉 ============ */
.nav-drawer{position:fixed;inset:0;z-index:90;background:#fff;padding:88px 20px 120px;transform:translateY(-100%);opacity:0;pointer-events:none;transition:transform 260ms var(--ease),opacity 200ms var(--ease);overflow-y:auto}
.nav-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin:8px 0 14px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.drawer-grid a{padding:14px 16px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--surface-2);font-size:14.5px;font-weight:600}
.drawer-cta{position:fixed;left:20px;right:20px;bottom:20px}

/* ============ 通用按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:650;border:1px solid transparent;cursor:pointer;transition:all var(--t) var(--ease)}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 32px rgba(255,106,44,.36)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(255,106,44,.5);background:var(--brand-50);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-700)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.22)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600}
.badge-brand{background:var(--brand-100);color:var(--brand-700)}
.badge-mint{background:var(--mint-100);color:var(--mint-500)}

/* ============ 窄幅头部 ============ */
.page-banner{position:relative;overflow:hidden;min-height:240px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(255,249,245,.97) 0%,rgba(255,249,245,.86) 50%,rgba(255,245,239,.5) 100%)}
.page-banner::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,44,.18) 0%,rgba(255,106,44,0) 70%)}
.banner-inner{position:relative;z-index:2;padding:56px 0}
.banner-kicker{font-size:13px;font-weight:700;color:var(--brand-600);letter-spacing:.06em;margin-bottom:12px}
.banner-title{font-size:clamp(22px,3vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.02em;color:var(--ink-900);max-width:22em}
.banner-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:52ch}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:20px 0 0}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);overflow:hidden;white-space:nowrap}
.breadcrumb a{color:var(--text-3);transition:color var(--t) var(--ease)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis;max-width:46ch}

/* ============ 主体布局 ============ */
.article-main{padding:32px 0 88px}
.article-layout{display:grid;grid-template-columns:minmax(0,2.2fr) minmax(0,1fr);gap:40px;align-items:start}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);padding:40px 44px;box-shadow:var(--sh-sm);min-width:0}

/* 文章头 */
.article-head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:28px;position:relative}
.article-head h1{font-size:clamp(26px,3.4vw,38px);line-height:1.3;font-weight:800;letter-spacing:-.02em;margin:16px 0 18px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3)}
.meta-row .sep{color:var(--line)}
.share-group{position:absolute;right:0;top:4px;display:flex;gap:8px}
.share-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--text-2);cursor:pointer;transition:all var(--t) var(--ease)}
.share-btn:hover{background:var(--brand-100);border-color:rgba(255,106,44,.4);color:var(--brand-700);transform:translateY(-2px)}

/* 正文排版 */
.prose{max-width:780px;font-size:16.5px;line-height:1.95;color:var(--text);word-break:break-word}
.prose p{margin:18px 0}
.prose h2{font-size:clamp(21px,2.4vw,26px);font-weight:750;line-height:1.4;margin:40px 0 16px;padding-left:14px;position:relative}
.prose h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--grad-a)}
.prose h3{font-size:20px;font-weight:700;margin:28px 0 12px}
.prose h4{font-size:17px;font-weight:700;margin:22px 0 10px}
.prose strong{font-weight:700}
.prose ul{margin:16px 0}
.prose ul li{position:relative;padding-left:22px;margin:10px 0}
.prose ul li::before{content:"";position:absolute;left:3px;top:.72em;width:8px;height:8px;border-radius:2px;background:rgba(255,106,44,.6)}
.prose ol{margin:16px 0;padding-left:24px;list-style:decimal}
.prose ol li{margin:10px 0;padding-left:4px}
.prose ol li::marker{color:var(--brand-600);font-weight:700}
.prose blockquote{background:var(--brand-50);border-left:4px solid var(--brand-600);border-radius:12px;padding:16px 20px;margin:22px 0;color:var(--text-2);font-size:15.5px}
.prose img{border-radius:16px;margin:24px auto}
.prose figure{margin:24px 0}
.prose figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.prose a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--brand-700)}
.prose table{width:100%;border-collapse:collapse;font-size:15px;margin:22px 0;border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.prose th{background:var(--ink-100);text-align:left;padding:12px 14px;font-weight:700;font-size:14px}
.prose td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text-2)}
.prose tbody tr:nth-child(even){background:var(--surface-2)}
.prose pre{background:var(--surface-2);border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace}
.prose code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;font-family:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace}
.prose hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 正文尾部 */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px}
.tag{height:34px;display:inline-flex;align-items:center;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--text-2);transition:all var(--t) var(--ease)}
.tag:hover{background:var(--brand-50);border-color:rgba(255,106,44,.4);color:var(--brand-700)}
.divider{height:1px;background:var(--line);margin:36px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.01em}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:650;color:var(--brand-600)}
.text-link span{transition:transform var(--t) var(--ease)}
.text-link:hover span{transform:translateX(3px)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(255,106,44,.32)}
.post-cover{position:relative;aspect-ratio:16/9;background:var(--grad-a);overflow:hidden}
.post-cover img{width:100%;height:100%;object-fit:cover}
.post-card h3{font-size:15.5px;font-weight:700;line-height:1.5;padding:14px 16px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t) var(--ease)}
.post-card:hover h3{color:var(--brand-600)}
.post-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;padding:8px 16px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;justify-content:space-between;gap:10px;padding:14px 16px 16px;font-size:12.5px;color:var(--text-3)}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px}
.post-nav-item{display:block;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;transition:all var(--t) var(--ease)}
.post-nav-item:hover{background:#fff;border-color:rgba(255,106,44,.4);box-shadow:var(--sh-sm)}
.post-nav-item.is-next{text-align:right}
.pn-label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px}
.pn-title{display:block;font-size:15px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.back-channel{margin-top:32px;display:flex;justify-content:center}

/* 空态 */
.empty-state{text-align:center;padding:36px 16px 12px}
.empty-figure{width:96px;height:96px;margin:0 auto 20px;border-radius:50%;background:var(--brand-50);position:relative;border:1px solid var(--line)}
.empty-figure::before{content:"";position:absolute;inset:22px;border-radius:50%;border:3px solid transparent;border-top-color:var(--brand-600);border-right-color:var(--brand-600)}
.empty-figure::after{content:"";position:absolute;left:50%;top:50%;width:24px;height:3px;border-radius:2px;background:var(--ink-900);transform:translate(-50%,-50%) rotate(45deg)}
.empty-title{font-size:20px;font-weight:800;margin-bottom:8px}
.empty-text{font-size:14.5px;color:var(--text-2);max-width:44ch;margin:0 auto 22px}

/* 侧栏 */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:100px;min-width:0}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:22px 22px 20px;box-shadow:var(--sh-sm)}
.side-card h3{font-size:15px;font-weight:750;margin-bottom:14px;padding-left:10px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:4px;border-radius:2px;background:var(--grad-a)}
.toc-list li{margin:6px 0}
.toc-list a{display:block;font-size:14px;line-height:1.6;color:var(--text-2);padding:6px 10px;border-radius:var(--r-sm);border-left:2px solid var(--line);transition:all var(--t) var(--ease)}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-700);border-left-color:var(--brand-600)}
.toc-empty{font-size:13.5px;color:var(--text-3);padding:4px 0}
.side-links li{margin:4px 0}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--text-2);padding:10px 12px;border-radius:var(--r-md);transition:all var(--t) var(--ease)}
.side-links a:hover{background:var(--brand-50);color:var(--brand-700);padding-left:16px}
.side-links a::after{content:"›";color:var(--text-3);font-size:16px}
.side-cta{background:var(--grad-b);border-color:transparent;color:#fff;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-50px;top:-50px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,44,.18) 0%,rgba(255,106,44,0) 70%)}
.side-cta h3{color:#fff}
.side-cta h3::before{background:linear-gradient(120deg,#FFA53D,#FF3D6E)}
.side-cta-text{position:relative;z-index:1;font-size:14px;line-height:1.8;color:#EDE9F6;margin-bottom:16px}
.side-cta .btn{position:relative;z-index:1;width:100%}
.hot-list li{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:0}
.hot-list .num{font-size:22px;font-weight:800;line-height:1.2;color:var(--text-3);font-variant-numeric:tabular-nums;min-width:26px}
.hot-list li:nth-child(1) .num{color:var(--brand-600)}
.hot-list li:nth-child(2) .num{color:var(--brand-600);opacity:.75}
.hot-list li:nth-child(3) .num{color:var(--sun-400)}
.hot-list a{font-size:14px;line-height:1.6;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--t) var(--ease)}
.hot-list a:hover{color:var(--brand-600)}

/* CTA 条 */
.cta-strip{margin-top:56px;background:var(--grad-b);border-radius:var(--r-xl);padding:30px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;overflow:hidden}
.cta-strip::after{content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,44,.18) 0%,rgba(255,106,44,0) 70%)}
.cta-strip-text{position:relative;z-index:1}
.cta-strip-text strong{display:block;font-size:19px;font-weight:800;color:#fff;margin-bottom:4px}
.cta-strip-text span{font-size:14px;color:#EDE9F6}
.cta-strip .btn{position:relative;z-index:1;white-space:nowrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:#EDE9F6;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-a)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(237,233,246,.6)}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(237,233,246,.72);max-width:34ch}
.footer-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin:8px 0}
.footer-col a,.footer-col span{font-size:14px;color:rgba(237,233,246,.72);transition:color var(--t) var(--ease)}
.footer-col a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}
.footer-bottom{border-top:1px solid rgba(237,233,246,.14);padding:20px 0 32px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(237,233,246,.55)}

/* 返回顶部 */
.back-top{position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;border:0;background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-glow);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(12px);transition:all 240ms var(--ease);z-index:70}
.back-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.back-top:hover{transform:translateY(-3px)}
.back-top svg{width:20px;height:20px;stroke:#fff}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .search-box{max-width:280px}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .article-body{padding:32px 28px}
  .article-side{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .brand-row{height:60px;gap:14px}
  .search-box{display:none}
  .link-help{display:none}
  .nav-toggle{display:flex}
  .brand-actions .btn{display:none}
  .channels-inner{height:48px}
  .page-banner{min-height:200px}
  .banner-inner{padding:40px 0}
  .article-main{padding:24px 0 64px}
  .article-body{padding:26px 20px;border-radius:var(--r-xl)}
  .share-group{position:static;margin-top:16px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.is-next{text-align:left}
  .cta-strip{flex-direction:column;align-items:flex-start;padding:24px 22px;border-radius:var(--r-lg)}
  .cta-strip .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px}
  .article-head h1{font-size:24px}
  .prose{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .drawer-grid{grid-template-columns:1fr}
  .back-top{width:48px;height:48px;right:16px;bottom:16px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand-600:#FF6A2C;
  --brand-700:#E04E12;
  --brand-100:#FFE7DB;
  --brand-50:#FFF5EF;
  --ink-900:#241B3A;
  --ink-700:#3A2F5C;
  --ink-100:#EDE9F6;
  --mint-500:#12BFA3;
  --mint-100:#DEF7F2;
  --sun-400:#FFC24B;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --surface-2:#F6F1EC;
  --text:#1B1725;
  --text-2:#5C5568;
  --text-3:#8E8798;
  --line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:750;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:650;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:44px;padding:0 20px;font-size:14.5px}
.btn-block{width:100%}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:0 6px 16px rgba(255,106,44,.22)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-glow);color:#fff}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(255,106,44,.55);background:var(--brand-50)}
.btn-light{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn-outline-light{background:transparent;color:var(--ink-100);border-color:rgba(255,255,255,.24)}
.btn-outline-light:hover{border-color:rgba(255,255,255,.6);color:#fff}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-size:14.5px;font-weight:650}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ============ 徽章 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1}
.badge-mint{background:var(--mint-100);color:#0B8F7B}
.badge-ink{background:var(--ink-100);color:var(--ink-700)}
.badge-brand{background:var(--brand-100);color:var(--brand-700)}
.section-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--brand-700);background:var(--brand-100);padding:5px 12px;border-radius:var(--r-pill)}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:120;background:#fff;transition:box-shadow .22s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.header-brand{position:relative;background:#fff}
.header-brand::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-a);opacity:.6}
.brand-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:800;flex:none;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3)}
.header-search{
  flex:1;max-width:420px;position:relative;display:flex;align-items:center;
  background:var(--surface-2);border-radius:var(--r-pill);border:2px solid transparent;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.header-search:focus-within{background:#fff;border-color:var(--brand-600)}
.header-search svg{width:17px;height:17px;margin-left:16px;flex:none;color:var(--text-3)}
.header-search input{
  flex:1;height:42px;border:0;background:transparent;padding:0 16px 0 10px;font-size:14.5px;outline:none;
}
.header-search input::placeholder{color:var(--text-3)}
.header-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.link-quiet{font-size:14.5px;font-weight:600;color:var(--text-2)}
.link-quiet:hover{color:var(--brand-700)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.header-channels{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channels-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.channels-inner::-webkit-scrollbar{display:none}
.chan{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);scroll-snap-align:start;flex:none;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.chan:hover{background:var(--brand-50);color:var(--brand-700)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:0 4px 12px rgba(255,106,44,.24)}
.chan .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-400);display:inline-block}
.chan.is-active .dot{background:#fff}

/* ============ 抽屉 ============ */
.drawer{position:fixed;inset:0;z-index:300;background:#fff;display:flex;flex-direction:column}
.drawer[hidden]{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;font-size:22px;line-height:1}
.drawer-body{padding:20px;overflow-y:auto;flex:1}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-grid a{
  display:flex;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md);
  font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer-grid a.is-active{background:var(--grad-a);color:#fff;border-color:transparent}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ============ 面包屑 ============ */
.breadcrumb{padding:18px 0 0}
.breadcrumb ol{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);overflow:hidden;white-space:nowrap}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb li:last-child{color:var(--text);font-weight:600;overflow:hidden;text-overflow:ellipsis}

/* ============ 分类窄幅 Hero ============ */
.page-hero{position:relative;margin-top:18px;border-radius:var(--r-2xl);overflow:hidden;min-height:250px;display:flex;align-items:center}
.page-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center right;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,249,245,.97) 0%,rgba(255,249,245,.9) 42%,rgba(255,249,245,.35) 76%,rgba(255,249,245,.1) 100%);
}
.page-hero-inner{position:relative;z-index:2;display:flex;align-items:flex-end;justify-content:space-between;gap:32px;padding:44px 32px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand-700);background:#fff;border:1px solid var(--brand-100);padding:6px 14px;border-radius:var(--r-pill)}
.page-hero h1{font-size:clamp(30px,4.8vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin-top:16px;max-width:720px}
.hero-note{font-size:15px;color:var(--text-2);background:rgba(255,255,255,.78);border-radius:var(--r-md);padding:12px 18px;max-width:290px;flex:none}

/* ============ 子频道药丸 ============ */
.subchannels{padding:26px 0 0}
.subchannels-inner{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:4px}
.subchannels-inner::-webkit-scrollbar{display:none}
.sub{
  flex:none;display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.sub:hover{border-color:rgba(255,106,44,.45);color:var(--brand-700)}
.sub.is-active{background:var(--grad-a);color:#fff;border-color:transparent}

/* ============ 板块 ============ */
.section{padding:80px 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-top:14px}
.section-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}

/* ============ Bento ============ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:20px}
.bento>article{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:22px;box-shadow:var(--sh-sm);overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.bento>article::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-a);opacity:0;transition:opacity .22s var(--ease)}
.bento>article:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.bento>article:hover::before{opacity:1}
.bento-main{grid-column:span 6;grid-row:span 2;display:flex;flex-direction:column}
.bento-mid{grid-column:span 6;display:flex;gap:18px;align-items:flex-start}
.bento-small{grid-column:span 4}
.bento-media{
  border-radius:18px;overflow:hidden;background:var(--grad-a);aspect-ratio:3/2;margin-bottom:18px;
}
.bento-media img{width:100%;height:100%;object-fit:cover}
.bento-mid .bento-media{width:170px;flex:none;aspect-ratio:4/3;margin-bottom:0}
.corner-badge{
  position:absolute;top:34px;left:34px;z-index:3;background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:var(--r-pill);
}
.bento h3{font-size:20px;margin-bottom:10px}
.bento-main h3{font-size:22px}
.bento p{color:var(--text-2);font-size:15px}
.point-list{margin:18px 0 20px;display:grid;gap:10px}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2);line-height:1.7}
.point-list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;background:var(--brand-600);opacity:.75}
.bento-main .link-arrow{margin-top:auto}
.bento-icon{
  width:44px;height:44px;border-radius:14px;background:var(--brand-50);border:1px solid var(--brand-100);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.bento-icon svg{width:22px;height:22px;color:var(--brand-700)}
.bento-small .badge{margin-top:14px}

/* ============ 深色自检区 ============ */
.section-dark{
  position:relative;background:var(--grad-b);color:#fff;border-radius:var(--r-2xl);overflow:hidden;
  margin:0 32px;padding:80px 0;
}
.section-dark::before{
  content:"";position:absolute;top:-120px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,166,61,.16) 0%,rgba(255,166,61,0) 70%);
}
.section-dark::after{
  content:"";position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:44px 44px;
}
.section-dark .container{position:relative;z-index:2}
.tag-on-dark{background:rgba(255,255,255,.12);color:#FFD9C6}
.dark-head{max-width:720px;margin-bottom:34px}
.dark-head h2{font-size:clamp(24px,3.2vw,34px);margin-top:14px;color:#fff}
.dark-head p{margin-top:12px;color:var(--ink-100);font-size:15.5px}
.steps{display:grid;gap:0;border-top:1px solid rgba(255,255,255,.14)}
.steps li{
  display:grid;grid-template-columns:88px 1fr auto;gap:22px;align-items:center;
  padding:24px 8px;border-bottom:1px solid rgba(255,255,255,.14);
  transition:background-color .2s var(--ease);
}
.steps li:hover{background:rgba(255,255,255,.05)}
.step-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1;color:transparent;background:var(--grad-c);-webkit-background-clip:text;background-clip:text}
.steps h3{font-size:19px;color:#fff;margin-bottom:6px}
.steps p{color:var(--ink-100);font-size:14.5px}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{border-radius:var(--r-2xl);overflow:hidden;background:var(--grad-a);box-shadow:var(--sh-md)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body h2{font-size:clamp(24px,3.2vw,34px);margin:14px 0 16px}
.split-body>p{color:var(--text-2);font-size:15.5px;margin-bottom:22px}
.check-list{display:grid;gap:14px;margin-bottom:28px}
.check-list li{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 18px;box-shadow:var(--sh-sm);transition:border-color .2s var(--ease),transform .2s var(--ease)}
.check-list li:hover{border-color:rgba(255,106,44,.4);transform:translateY(-2px)}
.check-list .tick{
  width:26px;height:26px;border-radius:9px;background:var(--mint-100);color:#0B8F7B;flex:none;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;margin-top:2px;
}
.check-list strong{display:block;font-size:15.5px;margin-bottom:4px}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.7}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{font-size:clamp(24px,3.2vw,34px);margin:14px 0 14px}
.faq-aside p{color:var(--text-2);font-size:15.5px;margin-bottom:22px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-sm);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:rgba(255,106,44,.5);box-shadow:var(--sh-md)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;font-size:16px;font-weight:650;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:none;width:32px;height:32px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--brand-600);color:#fff}
.faq-answer{padding:0 20px 18px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-item[open] .faq-answer{animation:fadeUp .24s var(--ease)}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(255,106,44,.4)}
.rel-card .rel-media{aspect-ratio:16/9;background:var(--grad-a);overflow:hidden}
.rel-card .rel-media img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px}
.rel-body p{font-size:14.5px;color:var(--text-2);line-height:1.7}
.rel-body .link-arrow{margin-top:auto}

/* ============ CTA 条 ============ */
.cta-bar{background:var(--grad-a);margin-top:0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:28px 32px;flex-wrap:wrap}
.cta-inner p{color:#fff;font-size:17px;font-weight:700}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-b);color:var(--ink-100);border-top:4px solid transparent;position:relative}
.site-footer::before{content:"";position:absolute;top:-4px;left:0;right:0;height:4px;background:var(--grad-a)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--grad-a)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(237,233,246,.7)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(237,233,246,.78);max-width:340px}
.footer-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(237,233,246,.78)}
.footer-col a{display:inline-block;transition:color .2s var(--ease),box-shadow .2s var(--ease)}
.footer-col a:hover{color:var(--brand-600);box-shadow:0 2px 0 var(--brand-600)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:rgba(237,233,246,.6);
}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;
  background:var(--grad-a);color:#fff;border:0;box-shadow:var(--sh-glow);
  display:flex;align-items:center;justify-content:center;font-size:20px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease);
  z-index:150;
}
.back-top.show{opacity:1;visibility:visible;transform:none}
.back-top:hover{transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-search{max-width:280px}
  .section{padding:64px 0}
  .section-dark{margin:0 24px;padding:64px 0}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-main{grid-column:span 2;grid-row:auto}
  .bento-mid{grid-column:span 1;flex-direction:column}
  .bento-mid .bento-media{width:100%;aspect-ratio:3/2;margin-bottom:16px}
  .bento-small{grid-column:span 1}
  .split{grid-template-columns:1fr;gap:32px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .page-hero-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .hero-note{max-width:100%}
}
@media (max-width:768px){
  .header-search{display:none}
  .link-quiet{display:none}
  .nav-toggle{display:flex}
  .brand-inner{height:64px}
  .header-actions .btn-primary{display:none}
  .steps li{grid-template-columns:60px 1fr;gap:16px}
  .steps li .badge{grid-column:2}
  .bento{grid-template-columns:1fr}
  .bento-main,.bento-mid,.bento-small{grid-column:span 1}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-inner .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .section{padding:48px 0}
  .section-dark{margin:0 20px;padding:48px 0}
  .page-hero{min-height:0;border-radius:20px}
  .page-hero-inner{padding:32px 20px}
  .page-hero h1{font-size:27px}
  .hero-note{font-size:14px;padding:10px 14px}
  .bento>article{padding:18px}
  .bento-mid{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-actions .btn{width:100%}
  .back-top{right:16px;bottom:16px;width:50px;height:50px}
  .rel-body h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand-600:#FF6A2C;
  --brand-700:#E04E12;
  --brand-100:#FFE7DB;
  --brand-50:#FFF5EF;
  --ink-900:#241B3A;
  --ink-700:#3A2F5C;
  --ink-100:#EDE9F6;
  --mint-500:#12BFA3;
  --mint-700:#0C8C78;
  --mint-100:#DEF7F2;
  --sun-400:#FFC24B;
  --bg:#FFF9F5;
  --surface:#FFFFFF;
  --surface-2:#F6F1EC;
  --text:#1B1725;
  --text-2:#5C5568;
  --text-3:#8E8798;
  --line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:24px;
  --r-2xl:28px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
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,4.8vw,46px);font-weight:800;line-height:1.22;letter-spacing:-.02em}
h2{font-size:clamp(24px,3.2vw,34px);font-weight:750;line-height:1.3;letter-spacing:-.015em}
h3{font-size:21px;font-weight:700;line-height:1.4}
p{color:var(--text-2)}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:36px}
.sec-head .eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-700);margin-bottom:10px}
.sec-title{position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--grad-a)}
.sec-desc{margin-top:12px;font-size:15px;color:var(--text-2);max-width:56ch}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:650;border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),filter .22s var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 34px rgba(255,106,44,.38)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:var(--surface);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(255,106,44,.5);background:var(--brand-50);color:var(--brand-700)}
.btn-white{background:#fff;color:var(--ink-900);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.btn-white:hover{transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:650;font-size:14.5px}
.btn-text:hover{color:var(--brand-700)}
.btn-text .arw{transition:transform .22s var(--ease)}
.btn-text:hover .arw{transform:translateX(3px)}

/* ============ 徽章 / 药丸 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;white-space:nowrap;
}
.badge-up{background:var(--mint-100);color:var(--mint-700)}
.badge-flat{background:var(--ink-100);color:var(--ink-700)}
.badge-tip{background:var(--brand-100);color:var(--brand-700)}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--text-2);
  font-size:14px;font-weight:600;transition:all .22s var(--ease);
}
.pill:hover{background:var(--brand-50);border-color:rgba(255,106,44,.45);color:var(--brand-700)}
.pill.is-active{background:var(--grad-a);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(255,106,44,.28)}

/* ============ 顶部品牌行 ============ */
.site-header{position:relative;z-index:80}
.header-brand{
  position:sticky;top:0;z-index:70;background:#fff;
  transition:box-shadow .22s var(--ease);
}
.header-brand::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad-a);opacity:.6;
}
.site-header.is-stuck .header-brand{box-shadow:var(--sh-sm)}
.brand-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-a);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:18px;letter-spacing:-.02em;
  box-shadow:0 6px 16px rgba(255,106,44,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3)}
.brand-search{flex:1 1 auto;max-width:400px}
.brand-search input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:var(--surface-2);border:1px solid transparent;
  padding:0 18px;font-size:14px;color:var(--text);
  transition:all .22s var(--ease);
}
.brand-search input::placeholder{color:var(--text-3)}
.brand-search input:focus{outline:none;background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(255,106,44,.14)}
.brand-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.link-help{font-size:14.5px;font-weight:600;color:var(--text-2);transition:color .2s var(--ease)}
.link-help:hover{color:var(--brand-600)}
.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;position:relative;
}
.hamburger span{position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--ink-900);transition:all .22s var(--ease)}
.hamburger span:nth-child(1){top:15px}
.hamburger span:nth-child(2){top:21px}
.hamburger span:nth-child(3){top:27px}
.hamburger[aria-expanded="true"] span:nth-child(1){top:21px;transform:rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){top:21px;transform:rotate(-45deg)}

/* ============ 频道行 ============ */
.header-channels{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channels-inner{
  display:flex;align-items:center;gap:8px;height:52px;
  overflow-x:auto;scroll-snap-type:x proximity;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channels-inner::-webkit-scrollbar{display:none}
.chan{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:6px;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);
  border:1px solid transparent;transition:all .22s var(--ease);
}
.chan:hover{background:var(--brand-50);color:var(--brand-700);border-color:rgba(255,106,44,.4)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:0 6px 16px rgba(255,106,44,.28)}
.chan .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-400)}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateY(-12px);opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-item{
  display:flex;align-items:center;height:52px;padding:0 16px;border-radius:var(--r-md);
  background:var(--surface-2);font-size:14.5px;font-weight:600;color:var(--text-2);
}
.drawer-item.is-active{background:var(--grad-a);color:#fff}
.drawer-foot{margin-top:auto}

/* ============ 面包屑 ============ */
.crumbs{padding:18px 0 0;font-size:12.5px;color:var(--text-3)}
.crumbs ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumbs a{color:var(--text-3);transition:color .2s var(--ease)}
.crumbs a:hover{color:var(--brand-600)}
.crumbs .sep{color:#C9C2CE}
.crumbs .cur{color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}

/* ============ 分类 Hero 窄幅条 ============ */
.cat-hero{
  margin-top:16px;border-radius:var(--r-2xl);overflow:hidden;position:relative;
  background-image:linear-gradient(90deg,rgba(255,249,245,.96) 0%,rgba(255,249,245,.86) 46%,rgba(255,249,245,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.cat-hero-inner{
  min-height:244px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding-top:40px;padding-bottom:40px;
}
.cat-hero-text{max-width:640px}
.cat-hero-desc{
  max-width:320px;font-size:15px;line-height:1.8;color:var(--text-2);
  padding-left:18px;border-left:2px solid rgba(255,106,44,.45);
}

/* ============ 二级子频道 ============ */
.subnav{padding:22px 0 0}
.subnav-inner{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.subnav .label{font-size:12.5px;font-weight:700;color:var(--text-3);letter-spacing:.06em;margin-right:4px}

/* ============ 序号长列表 ============ */
.rank-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-2xl);
  box-shadow:var(--sh-sm);overflow:hidden;margin-top:32px;
}
.rank-head{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 26px;background:var(--surface-2);border-bottom:1px solid var(--line);
}
.rank-head h2{font-size:18px;font-weight:700}
.rank-head span{font-size:12.5px;color:var(--text-3)}
.rank-row{
  display:grid;grid-template-columns:88px minmax(0,1fr) auto;
  align-items:center;gap:24px;
  min-height:96px;padding:18px 26px;
  border-bottom:1px solid var(--line);
  transition:background-color .22s var(--ease),padding-left .22s var(--ease);
  position:relative;
}
.rank-row:last-child{border-bottom:0}
.rank-row::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--grad-a);opacity:0;transition:opacity .22s var(--ease);
}
.rank-row:hover{background:var(--brand-50)}
.rank-row:hover::before{opacity:1}
.rank-no{
  font-size:40px;font-weight:800;line-height:1;
  color:rgba(255,106,44,.22);
  -webkit-text-stroke:1.4px rgba(255,106,44,.55);
  letter-spacing:-.03em;
}
.rank-main h3{font-size:19px;font-weight:700;margin-bottom:4px}
.rank-main p{font-size:14.5px;line-height:1.75;color:var(--text-2)}
.rank-side{display:flex;align-items:center;gap:14px}
.rank-link{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--brand-600);
  transition:all .22s var(--ease);
}
.rank-row:hover .rank-link{background:var(--grad-a);color:#fff;border-color:transparent;transform:translateX(4px)}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside p{margin-top:14px;font-size:15px;line-height:1.8}
.faq-list{display:grid;gap:12px}
.qa{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:0 22px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
  position:relative;overflow:hidden;
}
.qa::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--grad-a);opacity:0;transition:opacity .22s var(--ease);
}
.qa[open]{border-color:rgba(255,106,44,.55);box-shadow:var(--sh-sm)}
.qa[open]::before{opacity:1}
.qa summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 0;font-size:16px;font-weight:650;color:var(--text);
}
.qa summary::-webkit-details-marker{display:none}
.qa-icon{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--brand-100);
  position:relative;transition:transform .24s var(--ease);
}
.qa-icon::before,.qa-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-700);border-radius:2px;
  transform:translate(-50%,-50%);
}
.qa-icon::before{width:12px;height:2px}
.qa-icon::after{width:2px;height:12px}
.qa[open] .qa-icon{transform:rotate(45deg)}
.qa-body{padding:0 0 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ 相关分类 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  position:relative;display:flex;flex-direction:column;
}
.rel-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-a);
  opacity:0;transition:opacity .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.rel-card:hover::after{opacity:1}
.rel-thumb{aspect-ratio:16/9;background:var(--grad-a);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:18px}
.rel-body p{font-size:14px;line-height:1.75}
.rel-body .btn-text{margin-top:auto}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--ink-900);
  background-image:linear-gradient(140deg,#2E2350 0%,#1B1430 100%),radial-gradient(420px 200px at 92% 0%,rgba(255,106,44,.18),transparent 70%);
  background-blend-mode:normal;
  border-radius:var(--r-2xl);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,44,.18),transparent 66%);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding-top:36px;padding-bottom:36px;position:relative;z-index:1;
}
.cta-inner p{color:#fff;font-size:19px;font-weight:700;line-height:1.5}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:var(--ink-900);
  background-image:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  color:#EDE9F6;position:relative;
}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-a)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-a);display:grid;place-items:center;color:#fff;font-weight:800}
.footer-brand .brand-text strong{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-text em{color:#B9B1CC}
.footer-desc{font-size:14px;line-height:1.8;color:#B9B1CC;max-width:34ch}
.footer-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:#B9B1CC;transition:color .2s var(--ease),box-shadow .2s var(--ease)}
.footer-col a:hover{color:var(--brand-600);box-shadow:0 2px 0 0 rgba(255,106,44,.8)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;font-size:13px;color:#8E8798;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:60;
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad-a);color:#fff;font-size:20px;line-height:1;
  display:grid;place-items:center;box-shadow:var(--sh-glow);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease);
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .brand-search{display:none}
  .hamburger{display:block}
  .link-help{display:none}
  .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:20px;min-height:220px}
  .cat-hero-desc{max-width:none;border-left:0;padding-left:0;border-top:2px solid rgba(255,106,44,.45);padding-top:12px}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .rank-row{
    grid-template-columns:64px minmax(0,1fr);gap:12px 16px;
    padding:18px 20px;min-height:0;
  }
  .rank-no{font-size:32px}
  .rank-side{grid-column:2;justify-content:flex-start}
  .rank-head{padding:16px 20px;flex-direction:column;align-items:flex-start;gap:6px}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding-top:28px;padding-bottom:28px}
  .cta-inner .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  .container{padding:0 20px}
  .brand-inner{height:60px;gap:14px}
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:11.5px}
  .brand-actions .btn{display:none}
  .channels-inner{height:48px}
  .to-top{right:16px;bottom:16px;width:48px;height:48px}
  .drawer-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner p{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
/* ================= 设计令牌 ================= */
:root{
  --brand-600:#FF6A2C;--brand-700:#E04E12;--brand-100:#FFE7DB;--brand-50:#FFF5EF;
  --ink-900:#241B3A;--ink-700:#3A2F5C;--ink-100:#EDE9F6;
  --mint-500:#12BFA3;--mint-100:#DEF7F2;
  --sun-400:#FFC24B;
  --bg:#FFF9F5;--surface:#FFFFFF;--surface-2:#F6F1EC;
  --text:#1B1725;--text-2:#5C5568;--text-3:#8E8798;--line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:24px;--r-2xl:28px;--r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ================= 基础 ================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--brand-100);color:var(--brand-700)}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:8px}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ================= 按钮 / 徽章 / 药丸 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:650;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:rgba(255,106,44,.45);background:var(--brand-50);color:var(--brand-700)}
.btn-white{background:#fff;color:var(--ink-900)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.22)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-weight:650;font-size:14.5px}
.btn-text .arw{transition:transform .2s var(--ease)}
.btn-text:hover{color:var(--brand-700)}
.btn-text:hover .arw{transform:translateX(3px)}

.badge{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;letter-spacing:.01em}
.badge-up{background:var(--mint-100);color:#0B7C6A}
.badge-flat{background:var(--ink-100);color:var(--ink-700)}
.badge-tip{background:var(--brand-100);color:var(--brand-700)}
.badge-sun{background:#FFF3D8;color:#9A6A00}

.pill{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);color:var(--text-2);font-size:14px;font-weight:600;transition:all .2s var(--ease)}
.pill:hover{background:var(--brand-50);border-color:rgba(255,106,44,.4);color:var(--brand-700)}
.pill.is-active{background:var(--grad-a);color:#fff;border-color:transparent;box-shadow:var(--sh-sm)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);text-transform:uppercase}
.eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad-a)}

/* ================= 页头 ================= */
.site-header{position:sticky;top:0;z-index:80;background:#fff;transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-sm)}
.header-top{border-bottom:1px solid rgba(255,106,44,.28)}
.top-inner{display:flex;align-items:center;gap:24px;height:68px;transition:height .24s var(--ease)}
.site-header.is-scrolled .top-inner{height:56px}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-a);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  box-shadow:0 6px 16px rgba(255,106,44,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3)}

.search-box{display:flex;align-items:center;flex:1;max-width:400px;margin:0 auto;height:42px;background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);padding:0 6px 0 16px;transition:all .2s var(--ease)}
.search-box:focus-within{background:#fff;border-color:rgba(255,106,44,.5);box-shadow:0 0 0 4px rgba(255,106,44,.12)}
.search-box input{flex:1;border:0;background:transparent;font-size:14px;min-width:0}
.search-box input::placeholder{color:var(--text-3)}
.search-box button{width:32px;height:32px;border-radius:50%;background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;flex:0 0 auto;font-size:13px}

.top-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.help-link{font-size:14.5px;font-weight:600;color:var(--text-2)}
.help-link:hover{color:var(--brand-600)}

.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.header-channels{background:var(--surface-2);border-bottom:1px solid var(--line)}
.channels-inner{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channels-inner::-webkit-scrollbar{display:none}
.chan{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);font-size:14.5px;font-weight:600;color:var(--text-2);transition:all .2s var(--ease)}
.chan:hover{background:var(--brand-50);color:var(--brand-700)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:var(--sh-sm)}
.chan .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-400);margin-right:6px;display:inline-block}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:#fff;padding:20px;transform:translateY(-102%);transition:transform .3s var(--ease);overflow-y:auto;display:flex;flex-direction:column}
.drawer.is-open{transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);font-size:18px;color:var(--text-2)}
.drawer h4{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin:18px 0 10px;font-weight:700}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.drawer-grid a{padding:14px;border:1px solid var(--line);border-radius:var(--r-md);font-size:14.5px;font-weight:600;color:var(--text-2)}
.drawer-grid a.is-active{background:var(--grad-a);color:#fff;border-color:transparent}
.drawer-foot{margin-top:auto;padding-top:24px}

/* ================= 面包屑 ================= */
.crumb{padding:20px 0 6px;font-size:12.5px;color:var(--text-3)}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumb li+li::before{content:"›";color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand-600)}
.crumb .now{color:var(--text);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}

/* ================= 内页窄幅 Hero ================= */
.page-hero{padding:14px 0 0}
.hero-bar{
  position:relative;min-height:264px;border-radius:var(--r-2xl);overflow:hidden;
  background:var(--grad-b);display:flex;align-items:center;
  box-shadow:var(--sh-md);
}
.hero-bar-bg{position:absolute;inset:0}
.hero-bar-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-bar-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,249,245,.97) 0%,rgba(255,249,245,.9) 42%,rgba(255,249,245,.35) 74%,rgba(255,249,245,.1) 100%);
}
.hero-bar-inner{position:relative;z-index:2;padding:44px 48px;max-width:720px}
.hero-tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--brand-100);color:var(--brand-700);font-size:12.5px;font-weight:700;margin-bottom:16px}
.hero-bar h1{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.24;letter-spacing:-.02em}
.hero-bar p{margin-top:14px;font-size:16px;color:var(--text-2);max-width:560px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* 二级子频道 */
.subchannels{display:flex;gap:10px;overflow-x:auto;padding:22px 0 6px;scrollbar-width:none}
.subchannels::-webkit-scrollbar{display:none}

/* ================= 区块通用 ================= */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.sec-head{max-width:660px;margin-bottom:32px}
.sec-head h2{margin-top:14px;font-size:clamp(24px,3.2vw,34px);font-weight:750;line-height:1.3}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}

/* ================= 时间轴 ================= */
.timeline{position:relative;padding-left:38px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:9px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(255,106,44,.9) 0%,rgba(255,106,44,.35) 55%,rgba(237,230,223,.9) 100%);
}
.tl-item{position:relative;margin-bottom:20px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-37px;top:26px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-600);box-shadow:0 0 0 5px rgba(255,106,44,.1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.tl-item:hover::before{transform:scale(1.12);box-shadow:0 0 0 7px rgba(255,106,44,.16)}
.tl-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:24px 26px;box-shadow:var(--sh-sm);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;
}
.tl-card::before{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad-a);opacity:0;transition:opacity .2s var(--ease)}
.tl-item:hover .tl-card{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.tl-item:hover .tl-card::before{opacity:1}
.tl-badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-50);color:var(--brand-700);font-size:12.5px;font-weight:700;
}
.tl-card h3{margin-top:14px;font-size:21px;font-weight:700;line-height:1.4}
.tl-card p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-tags span{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-sm);background:var(--surface-2);color:var(--text-2);font-size:12.5px;font-weight:600}

/* ================= 安全防护：左深色卡 + 右清单 ================= */
.guard{display:grid;grid-template-columns:5fr 7fr;gap:24px;align-items:stretch}
.guard-visual{
  position:relative;border-radius:var(--r-2xl);background:var(--grad-b);color:#fff;
  overflow:hidden;padding:32px;display:flex;flex-direction:column;justify-content:space-between;min-height:380px;
}
.guard-visual::after{
  content:"";position:absolute;top:-90px;right:-70px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,165,61,.18) 0%,rgba(255,165,61,0) 70%);
}
.guard-visual .gv-img{position:absolute;inset:0;opacity:.24}
.guard-visual .gv-img img{width:100%;height:100%;object-fit:cover}
.guard-visual .gv-body{position:relative;z-index:2}
.guard-visual h2{font-size:clamp(22px,2.6vw,28px);font-weight:750;line-height:1.32}
.guard-visual p{margin-top:12px;color:#D9D3E8;font-size:15px}
.gv-stats{position:relative;z-index:2;display:flex;gap:28px;margin-top:28px;flex-wrap:wrap}
.gv-stat b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;line-height:1;background:var(--grad-c);-webkit-background-clip:text;background-clip:text;color:transparent}
.gv-stat span{display:block;margin-top:8px;font-size:12.5px;color:#B9B1CE}

.guard-list{display:grid;gap:14px}
.guard-item{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-sm);transition:all .2s var(--ease);
}
.guard-item:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:rgba(255,106,44,.4)}
.guard-ico{
  flex:0 0 auto;width:44px;height:44px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-700);font-size:16px;font-weight:800;
}
.guard-item h3{font-size:18px;font-weight:700}
.guard-item p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.8}
.guard-item .badge{margin-top:12px}

/* ================= FAQ ================= */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:36px;align-items:start}
.faq-aside h2{margin-top:14px;font-size:clamp(24px,3.2vw,32px);font-weight:750;line-height:1.3}
.faq-aside p{margin-top:14px;color:var(--text-2);font-size:15px}
.faq-aside .btn{margin-top:24px}
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item.is-open{border-color:rgba(255,106,44,.55);box-shadow:var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:650;color:var(--text);position:relative;
}
.faq-item.is-open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--grad-a)}
.faq-plus{flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--brand-50);color:var(--brand-700);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;transition:transform .22s var(--ease)}
.faq-item.is-open .faq-plus{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}

/* ================= 相关分类 ================= */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.rel-card .thumb{position:relative;aspect-ratio:16/9;background:var(--grad-a);overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .thumb .tag{position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:var(--r-sm);background:rgba(36,27,58,.72);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center}
.rel-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-card h3{font-size:19px;font-weight:700;transition:color .2s var(--ease)}
.rel-card:hover h3{color:var(--brand-600)}
.rel-card p{margin-top:8px;color:var(--text-2);font-size:14.5px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}
.rel-card .foot .arw{color:var(--brand-600);font-weight:700;transition:transform .2s var(--ease)}
.rel-card:hover .foot .arw{transform:translateX(3px)}

/* ================= CTA 条 ================= */
.cta-bar{
  position:relative;border-radius:var(--r-2xl);padding:32px 36px;color:#fff;background:var(--grad-b);
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;overflow:hidden;
}
.cta-bar::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad-a)}
.cta-bar::after{content:"";position:absolute;top:-100px;right:-60px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,165,61,.18) 0%,rgba(255,165,61,0) 70%)}
.cta-bar h2{position:relative;z-index:2;font-size:clamp(20px,2.6vw,26px);font-weight:750;line-height:1.35}
.cta-bar p{position:relative;z-index:2;margin-top:8px;color:#CFC7E4;font-size:14.5px}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ================= 页脚 ================= */
.site-footer{position:relative;background:var(--grad-b);color:#EDE9F6;margin-top:72px;padding:0 0 28px}
.site-footer::before{content:"";position:absolute;left:0;top:0;right:0;height:4px;background:var(--grad-a)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:12px;background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800}
.footer-brand .brand-text strong{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-text em{font-style:normal;font-size:12px;color:#A79FC0}
.footer-desc{font-size:14px;line-height:1.85;color:#B9B1CE;max-width:340px}
.footer-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:#B9B1CE}
.footer-col a:hover{color:var(--brand-600);text-decoration:underline;text-underline-offset:2px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:#8F87A8;
}

/* ================= 返回顶部 ================= */
#toTop{
  position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;
  background:var(--grad-a);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:20px;box-shadow:var(--sh-glow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .24s var(--ease);z-index:70;
}
#toTop.is-show{opacity:1;visibility:visible;transform:translateY(0)}
#toTop:hover{transform:translateY(-3px);filter:brightness(1.06)}

/* ================= 响应式 ================= */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .guard{grid-template-columns:1fr}
  .guard-visual{min-height:300px}
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .rel-grid{grid-template-columns:1fr 1fr}
  .hero-bar-inner{padding:36px 32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .search-box{display:none}
  .help-link{display:none}
  .top-actions .btn{display:none}
  .nav-toggle{display:flex}
  .hero-bar{min-height:230px}
  .hero-bar-inner{padding:28px 22px}
  .hero-bar h1{font-size:26px}
  .timeline{padding-left:30px}
  .timeline::before{left:7px}
  .tl-item::before{left:-30px;top:24px;width:16px;height:16px;border-width:3px}
  .tl-card{padding:20px}
  .tl-card h3{font-size:18px}
  .rel-grid{grid-template-columns:1fr}
  .cta-bar{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  #toTop{right:16px;bottom:16px;width:48px;height:48px}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px}
  .hero-bar h1{font-size:23px}
  .hero-bar p{font-size:14.5px}
  .sec-head h2{font-size:22px}
  .tl-card h3{font-size:17px}
  .gv-stats{gap:20px}
  .btn{width:100%}
  .btn-text{width:auto}
  .footer-actions .btn{width:100%}
}

/* roulang page: category4 */
:root{
  --brand-600:#FF6A2C; --brand-700:#E04E12; --brand-100:#FFE7DB; --brand-50:#FFF5EF;
  --ink-900:#241B3A; --ink-700:#3A2F5C; --ink-100:#EDE9F6;
  --mint-500:#12BFA3; --mint-100:#DEF7F2; --sun-400:#FFC24B;
  --bg:#FFF9F5; --surface:#FFFFFF; --surface-2:#F6F1EC;
  --text:#1B1725; --text-2:#5C5568; --text-3:#8E8798; --line:#EDE6DF;
  --grad-a:linear-gradient(120deg,#FFA53D 0%,#FF6A2C 48%,#FF3D6E 100%);
  --grad-b:linear-gradient(140deg,#2E2350 0%,#1B1430 100%);
  --grad-c:linear-gradient(120deg,#12BFA3 0%,#6FD86A 100%);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:24px; --r-2xl:28px; --r-pill:999px;
  --sh-sm:0 2px 8px rgba(36,27,58,.06);
  --sh-md:0 8px 24px rgba(36,27,58,.08);
  --sh-lg:0 18px 48px rgba(36,27,58,.12);
  --sh-glow:0 10px 28px rgba(255,106,44,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
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{margin:0;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid rgba(255,106,44,.35);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15.5px;font-weight:650;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),filter .2s var(--ease);
}
.btn-primary{background:var(--grad-a);color:#fff;box-shadow:0 6px 18px rgba(255,106,44,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-glow)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(255,106,44,.42);background:var(--brand-50);color:var(--brand-700)}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:650;font-size:14.5px}
.link-arrow span{transition:transform .2s var(--ease)}
.link-arrow:hover span{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12.5px;font-weight:600;line-height:1}
.badge-up{background:var(--mint-100);color:#0B8F7A}
.badge-flat{background:var(--ink-100);color:var(--ink-700)}
.badge-tip{background:var(--brand-100);color:var(--brand-700)}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.header-top{position:relative;background:#fff;transition:box-shadow .2s var(--ease)}
.header-top::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad-a);opacity:.6}
.site-header.is-stuck .header-top{box-shadow:var(--sh-sm)}
.top-inner{height:68px;display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-a);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:800;letter-spacing:0;
}
.brand-text{display:flex;flex-direction:column;justify-content:center}
.brand-text strong{font-size:17px;font-weight:800;line-height:1.15}
.brand-text em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-3);line-height:1.35}
.header-search{flex:1 1 auto;max-width:400px;position:relative;display:flex;align-items:center}
.header-search input{
  width:100%;height:42px;border-radius:var(--r-pill);border:1px solid transparent;
  background:var(--surface-2);padding:0 16px 0 40px;font-size:14.5px;color:var(--text);
  transition:background-color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.header-search input::placeholder{color:var(--text-3)}
.header-search input:focus{outline:none;background:#fff;border-color:var(--brand-600);box-shadow:0 0 0 4px rgba(255,106,44,.14)}
.header-search .s-ico{position:absolute;left:15px;width:15px;height:15px;border:2px solid var(--text-3);border-radius:50%}
.header-search .s-ico::after{content:"";position:absolute;right:-6px;bottom:-3px;width:8px;height:2px;background:var(--text-3);transform:rotate(45deg);border-radius:2px}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.header-actions .help-link{font-size:14.5px;font-weight:600;color:var(--text-2)}
.header-actions .help-link:hover{color:var(--brand-700)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;position:relative;
}
.nav-toggle i{position:absolute;left:12px;right:12px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle i:nth-child(1){top:15px}
.nav-toggle i:nth-child(2){top:21px}
.nav-toggle i:nth-child(3){top:27px}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.header-channels{background:var(--surface-2);border-top:1px solid var(--line)}
.channels-inner{height:52px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.channels-inner::-webkit-scrollbar{display:none}
.chan{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;flex:0 0 auto;scroll-snap-align:start;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.chan:hover{background:var(--brand-50);color:var(--brand-700)}
.chan.is-active{background:var(--grad-a);color:#fff;box-shadow:0 6px 14px rgba(255,106,44,.26)}
.chan .dot{width:6px;height:6px;border-radius:50%;background:var(--sun-400);display:inline-block}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:68px 0 0 0;background:#fff;z-index:55;padding:24px 20px 96px;
  overflow-y:auto;transform:translateY(-8px);opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer h4{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.06em;margin:0 0 12px}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:28px}
.drawer-grid a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--surface-2);font-size:14.5px;font-weight:600;color:var(--text-2);
}
.drawer-grid a.is-active{background:var(--grad-a);color:#fff;border-color:transparent}
.drawer-foot{position:fixed;left:0;right:0;bottom:0;padding:14px 20px;background:#fff;border-top:1px solid var(--line)}

/* ---------- 面包屑 ---------- */
.crumb{padding:18px 0;font-size:12.5px;color:var(--text-3)}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px;min-width:0}
.crumb .sep{color:#CFC6BD}
.crumb a:hover{color:var(--brand-700)}
.crumb .now{color:var(--text);font-weight:600}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;border-bottom:1px solid var(--line);
  background:
    linear-gradient(100deg,rgba(255,249,245,.97) 0%,rgba(255,249,245,.92) 44%,rgba(255,249,245,.44) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
    var(--grad-a);
}
.cat-hero-inner{
  min-height:260px;display:flex;align-items:center;justify-content:space-between;gap:40px;padding:44px 0;
}
.cat-hero h1{font-size:clamp(28px,4vw,40px);font-weight:800;line-height:1.24;letter-spacing:-.02em;max-width:620px}
.cat-hero .lead{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-side{
  flex:0 0 auto;max-width:280px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:20px 22px;box-shadow:var(--sh-md);
}
.hero-side .tag-label{font-size:12.5px;font-weight:700;color:var(--brand-700);letter-spacing:.05em}
.hero-side p{margin-top:8px;font-size:15px;line-height:1.7;color:var(--text)}
.hero-side .metrics{display:flex;gap:18px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.hero-side .metrics div strong{display:block;font-size:22px;font-weight:800;line-height:1.1}
.hero-side .metrics div span{font-size:12.5px;color:var(--text-3)}

/* ---------- 子频道药丸 ---------- */
.subchips{padding:22px 0 4px}
.subchips-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.subchips-inner::-webkit-scrollbar{display:none}
.subchip{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);
  white-space:nowrap;flex:0 0 auto;transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.subchip:hover{border-color:rgba(255,106,44,.4);background:var(--brand-50);color:var(--brand-700)}
.subchip.is-active{background:var(--grad-a);color:#fff;border-color:transparent;box-shadow:0 6px 14px rgba(255,106,44,.22)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-tight{padding:64px 0}
.sec-head{max-width:720px;margin-bottom:32px}
.sec-head .kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand-700);letter-spacing:.06em;margin-bottom:12px}
.sec-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:750;line-height:1.3}
.sec-head h2::before{content:"";display:inline-block;width:4px;height:.82em;border-radius:3px;background:var(--grad-a);margin-right:12px;vertical-align:-4px}
.sec-head p{margin-top:14px;font-size:15.5px;color:var(--text-2)}

/* ---------- 对照区 ---------- */
.compare-wrap{position:relative}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{border-radius:var(--r-xl);padding:26px 24px;transition:transform .22s var(--ease),box-shadow .22s var(--ease)}
.compare-card h3{font-size:21px;font-weight:700;margin-bottom:6px}
.compare-card .sub{font-size:13px;margin-bottom:18px}
.compare-card.bad{background:var(--surface-2);border:1px solid var(--line);color:var(--text-2)}
.compare-card.bad h3{color:var(--ink-700)}
.compare-card.bad .sub{color:var(--text-3)}
.compare-card.good{
  background:#fff;border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-a);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 12px 32px rgba(255,106,44,.14);
}
.compare-card.good:hover{transform:translateY(-3px)}
.compare-card.good h3{color:var(--ink-900)}
.compare-card.good .sub{color:var(--brand-700)}
.compare-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:15px;line-height:1.75}
.compare-list li:last-child{border-bottom:0;padding-bottom:0}
.compare-list .mk{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:800;margin-top:3px;
}
.bad .mk{background:#E7E0DA;color:#8E8798}
.good .mk{background:var(--brand-100);color:var(--brand-700)}
.vs-badge{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:58px;height:58px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-md);display:grid;place-items:center;font-weight:800;font-size:15px;color:var(--brand-700);
  letter-spacing:.02em;
}
.compare-note{
  margin-top:28px;display:flex;flex-wrap:wrap;align-items:center;gap:14px;justify-content:space-between;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 22px;box-shadow:var(--sh-sm);
}
.compare-note p{font-size:15px;color:var(--text-2);max-width:720px}

/* ---------- 标签云 ---------- */
.tagcloud-section{background:var(--surface-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.tagcloud{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.tag{
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);font-weight:600;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.tag:hover{transform:translateY(-2px);border-color:rgba(255,106,44,.45);background:var(--brand-50);color:var(--brand-700);box-shadow:var(--sh-sm)}
.tag.t1{height:46px;padding:0 24px;font-size:16.5px;background:var(--brand-50);border-color:rgba(255,106,44,.3);color:var(--brand-700);font-weight:700}
.tag.t2{height:38px;padding:0 18px;font-size:14.5px}
.tag.t3{height:34px;padding:0 14px;font-size:13px;color:var(--text-3);background:#FCFAF8}
.tier-label{width:100%;font-size:12.5px;font-weight:700;color:var(--text-3);letter-spacing:.06em;margin:6px 0 2px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-side h2{font-size:clamp(24px,3.2vw,32px);font-weight:750;line-height:1.3}
.faq-side h2::before{content:"";display:inline-block;width:4px;height:.82em;border-radius:3px;background:var(--grad-a);margin-right:12px;vertical-align:-4px}
.faq-side p{margin-top:14px;font-size:15px;color:var(--text-2)}
.faq-side .btn{margin-top:22px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:650;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .plus{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-size:18px;font-weight:700;margin-left:auto;
  transition:transform .22s var(--ease);
}
.faq-item[open]{border-color:rgba(255,106,44,.5);box-shadow:var(--sh-sm)}
.faq-item[open] .plus{transform:rotate(45deg)}
.faq-item[open] summary{position:relative}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad-a)}
.faq-body{padding:0 20px 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);animation:fadeIn .22s var(--ease)}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ---------- 相关分类 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(255,106,44,.4)}
.rel-card .thumb{position:relative;aspect-ratio:16/9;background:var(--grad-a);overflow:hidden}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover}
.rel-card .thumb .badge{position:absolute;left:12px;top:12px;background:#fff;color:var(--brand-700);box-shadow:var(--sh-sm)}
.rel-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:19px;font-weight:700;transition:color .2s var(--ease)}
.rel-card:hover h3{color:var(--brand-700)}
.rel-card p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.rel-card .more{margin-top:auto}

/* ---------- CTA 条 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad-b);color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-80px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,44,.18) 0%,rgba(255,106,44,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;gap:32px;justify-content:space-between;padding:44px 0}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:750;line-height:1.35;color:#fff}
.cta-inner p{margin-top:10px;font-size:15px;color:#EDE9F6;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--brand-700);border-color:#fff}
.btn-white:hover{background:var(--brand-50);transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:#EDE9F6;position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-a)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--grad-a)}
.footer-brand .brand-text strong{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-text em{color:#B9B1D6}
.footer-desc{font-size:14px;line-height:1.85;color:#B9B1D6;max-width:360px}
.footer-actions{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col li{font-size:14px;color:#B9B1D6}
.footer-col a{position:relative;font-size:14px;color:#B9B1D6;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand-600)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:12.5px;color:#9E96BC;
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:56px;height:56px;border-radius:50%;border:0;
  background:var(--grad-a);color:#fff;font-size:20px;font-weight:700;cursor:pointer;
  display:grid;place-items:center;box-shadow:var(--sh-glow);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  z-index:70;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1080px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .compare-grid{grid-template-columns:1fr;gap:20px}
  .vs-badge{position:static;transform:none;margin:0 auto;order:0}
  .compare-wrap .vs-badge{display:none}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}
  .rel-grid{grid-template-columns:1fr 1fr;gap:20px}
  .header-search{max-width:280px}
}
@media (max-width:900px){
  .cat-hero-inner{flex-direction:column;align-items:flex-start;gap:24px;padding:40px 0}
  .hero-side{max-width:100%;width:100%}
  .header-search{display:none}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-actions .help-link{display:none}
  .nav-toggle{display:block}
  .top-inner{height:60px;gap:12px}
  .drawer{inset:60px 0 0 0}
  .channels-inner{height:48px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .rel-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px;width:50px;height:50px}
}
@media (max-width:480px){
  .cat-hero h1{font-size:26px}
  .cat-hero .lead{font-size:15px}
  .compare-card{padding:20px 18px}
  .btn{width:100%}
  .btn.btn-inline{width:auto}
  .brand-text strong{font-size:16px}
  .faq-item summary{font-size:15px;padding:16px}
  .tagcloud{gap:10px}
  .tag.t1{height:42px;padding:0 18px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}