/* roulang page: index */
:root{
  --brand-1:#E8467C;
  --brand-2:#FF9A5C;
  --brand-ink:#2A1730;
  --accent:#6C4AB6;
  --bg:#FFF8F4;
  --surface:#FFFFFF;
  --ink-2:#5C5266;
  --line:#F0E4E6;
  --ok:#17B26A;
  --grad:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 28px rgba(42,23,48,.08);
  --sh-hover:0 18px 40px rgba(42,23,48,.14);
  --bs-primary:#E8467C;
  --bs-body-bg:#FFF8F4;
  --bs-body-color:#2A1730;
  --bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:140px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--brand-ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--brand-ink);line-height:1.25;}
h1{font-size:clamp(32px,4.2vw,52px);line-height:1.15;}
h2{font-size:clamp(26px,2.6vw,36px);}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.45;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.bg-white{background:var(--surface);}
.bg-bg{background:var(--bg);}
.bg-ink{background:var(--brand-ink);color:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad);}
.section-head p{color:var(--ink-2);margin-top:14px;margin-bottom:0;font-size:16px;}
.text-ink2{color:var(--ink-2);}

/* 按钮 */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(232,70,124,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 32px rgba(232,70,124,.34);}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,70,124,.3);}
.btn-ghost{background:var(--surface);color:var(--brand-ink);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;color:var(--brand-1);border-color:rgba(232,70,124,.45);height:42px;padding:0 20px;font-size:14px;}
.btn-line:hover{background:rgba(232,70,124,.08);color:var(--brand-1);border-color:var(--brand-1);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* 徽章 */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-grad{background:var(--grad);color:#fff;}
.badge-soft{background:rgba(232,70,124,.1);color:var(--brand-1);}
.badge-line{border:1px solid var(--line);color:var(--ink-2);background:var(--surface);}
.badge-ok{background:rgba(23,178,106,.12);color:#0E8A50;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);}
.nav-top{border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(232,70,124,.28);flex:0 0 auto;
}
.brand-main{display:block;font-size:19px;font-weight:800;letter-spacing:-.5px;line-height:1.2;}
.brand-sub{display:block;font-size:10.5px;font-weight:500;color:var(--ink-2);opacity:.72;letter-spacing:.02em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(232,70,124,.08);color:var(--brand-1);}
.main-nav a.active{color:var(--brand-1);background:rgba(232,70,124,.1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand-ink);font-size:17px;display:none;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;padding:0 24px 18px;border-top:1px solid var(--line);background:var(--surface);}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:12px 4px;border-bottom:1px dashed var(--line);
  font-size:15px;font-weight:600;color:var(--brand-ink);
}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn-brand{width:100%;margin-top:14px;}

/* 进度步骤导航 */
.nav-steps{background:var(--bg);border-bottom:1px solid var(--line);}
.steps-track{
  display:flex;align-items:center;gap:0;height:56px;overflow-x:auto;scrollbar-width:none;
}
.steps-track::-webkit-scrollbar{display:none;}
.step{
  display:flex;align-items:center;gap:8px;flex:0 0 auto;
  font-size:13.5px;font-weight:600;color:var(--ink-2);padding-right:4px;
  transition:color .2s ease;
}
.step .dot{
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;border:1.5px solid var(--line);background:var(--surface);color:var(--ink-2);
  transition:all .25s ease;flex:0 0 auto;
}
.step .bar{width:46px;height:1px;margin:0 10px;background:var(--line);flex:0 0 auto;}
.step:hover{color:var(--brand-1);}
.step.is-done .dot{background:var(--grad);border-color:transparent;color:#fff;}
.step.is-done{color:var(--brand-1);}
.step.is-done .bar{background:var(--grad);height:2px;}
.step.is-active .dot{box-shadow:0 0 0 4px rgba(232,70,124,.16);}
.step.is-active{color:var(--brand-1);}

/* Hero */
.hero{position:relative;padding:76px 0 90px;background:
  radial-gradient(900px 420px at 88% -10%,rgba(255,154,92,.16),transparent 62%),
  radial-gradient(700px 360px at 4% 0%,rgba(232,70,124,.12),transparent 60%),
  var(--bg);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;background:var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:1;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.mini-badge{
  display:flex;align-items:center;gap:12px;padding:12px 18px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh);
}
.mini-badge i{color:var(--brand-1);font-size:16px;}
.mini-badge b{display:block;font-size:19px;font-weight:800;line-height:1.2;}
.mini-badge span{font-size:12px;color:var(--ink-2);}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--sh);border:1px solid var(--line);
  background:linear-gradient(135deg,rgba(232,70,124,.12),rgba(255,154,92,.14));
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(42,23,48,0) 42%,rgba(42,23,48,.72) 100%);
}
.hero-caption{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;color:#fff;
}
.hero-caption h3{color:#fff;font-size:18px;margin-bottom:6px;}
.hero-caption p{color:rgba(255,255,255,.82);font-size:13px;margin:0;}
.float-card{
  position:absolute;left:-26px;bottom:56px;z-index:3;
  display:flex;align-items:center;gap:12px;padding:14px 18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-hover);max-width:270px;
}
.float-card .fc-ico{
  width:38px;height:38px;border-radius:12px;background:rgba(108,74,182,.12);
  color:var(--accent);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.float-card b{display:block;font-size:14px;line-height:1.4;}
.float-card span{font-size:12px;color:var(--ink-2);}

/* 下载区 */
.download-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:38px;position:relative;overflow:hidden;
}
.download-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:30px;}
.dl-card{
  border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;
  background:var(--bg);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(232,70,124,.35);}
.dl-ico{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:18px;background:rgba(232,70,124,.12);color:var(--brand-1);
}
.dl-card:nth-child(2) .dl-ico{background:rgba(255,154,92,.18);color:#C96A2A;}
.dl-card:nth-child(3) .dl-ico{background:rgba(108,74,182,.14);color:var(--accent);}
.dl-card h3{font-size:18px;}
.dl-card p{font-size:13.5px;color:var(--ink-2);margin:0;}
.dl-file{font-size:12px;color:var(--ink-2);font-family:ui-monospace,SFMono-Regular,Menlo,monospace;}
.dl-card .btn-brand,.dl-card .btn-ghost{width:100%;margin-top:auto;}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.pain-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 30px 28px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.pain-card:nth-child(odd){transform:translateY(0);}
.pain-card:nth-child(even){transform:translateY(16px);}
.pain-card:hover{box-shadow:var(--sh-hover);}
.pain-card .num{
  font-size:48px;font-weight:800;line-height:1;color:var(--brand-1);opacity:.2;margin-bottom:10px;
  letter-spacing:-2px;
}
.pain-card h3{margin-bottom:10px;}
.pain-card p{color:var(--ink-2);font-size:15px;margin:0;}

/* 解决方案 */
.solution-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.sol-tags{display:flex;flex-direction:column;gap:14px;}
.sol-tag{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);font-size:14.5px;font-weight:700;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.sol-tag i{color:var(--brand-1);}
.sol-tag:hover{transform:translateX(4px);border-color:rgba(232,70,124,.4);box-shadow:var(--sh);}
.sol-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);margin-bottom:22px;
}
.sol-main .thumb{aspect-ratio:16/7;overflow:hidden;background:rgba(232,70,124,.08);}
.sol-main .thumb img{width:100%;height:100%;object-fit:cover;}
.sol-main .body{padding:26px 28px;}
.sol-main h3{margin-bottom:10px;}
.sol-main p{color:var(--ink-2);font-size:15px;margin:0;}
.sol-sub{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.sol-small{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.sol-small:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.sol-small .ico{
  width:38px;height:38px;border-radius:12px;background:rgba(108,74,182,.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.sol-small h4{margin-bottom:8px;}
.sol-small p{font-size:14px;color:var(--ink-2);margin:0;}

/* 步骤时间轴 */
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.steps-flow::before{
  content:"";position:absolute;top:28px;left:6%;right:6%;height:1px;
  border-top:1px dashed rgba(232,70,124,.4);
}
.flow-item{position:relative;text-align:center;}
.flow-num{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:var(--brand-1);
  background:var(--surface);border:2px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh);position:relative;z-index:1;
}
.flow-item h3{font-size:18px;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--ink-2);margin:0;}

/* 数据徽章墙 */
.wall{display:grid;grid-template-columns:repeat(6,1fr);gap:18px;}
.wall-item{
  border-radius:999px;padding:20px 16px;text-align:center;
  border:1px solid var(--line);background:var(--surface);
  transition:transform .2s ease,box-shadow .2s ease;
}
.wall-item:hover{transform:translateY(-4px);box-shadow:var(--sh);}
.wall-item b{display:block;font-size:28px;font-weight:800;line-height:1.2;letter-spacing:-1px;}
.wall-item span{font-size:12px;color:var(--ink-2);}
.wall-item.is-grad{background:var(--grad);border-color:transparent;box-shadow:0 14px 30px rgba(232,70,124,.26);}
.wall-item.is-grad b,.wall-item.is-grad span{color:#fff;}
.wall-item.is-dark{background:var(--brand-ink);border-color:transparent;}
.wall-item.is-dark b,.wall-item.is-dark span{color:#fff;}

/* 核对清单 / 双列卡 */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:30px;
  box-shadow:var(--sh);
}
.check-card h3{margin-bottom:16px;display:flex;align-items:center;gap:10px;font-size:19px;}
.check-card h3 i{color:var(--brand-1);font-size:16px;}
.check-card li{
  display:flex;gap:10px;padding:11px 0;border-bottom:1px dashed var(--line);
  font-size:14.5px;color:var(--ink-2);
}
.check-card li:last-child{border-bottom:none;}
.check-card li i{color:var(--ok);margin-top:6px;font-size:12px;flex:0 0 auto;}

/* 适用人群 */
.people-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.people-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.people-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.people-ico{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:19px;
  background:rgba(232,70,124,.12);color:var(--brand-1);
}
.people-card:nth-child(2) .people-ico{background:rgba(255,154,92,.18);color:#C96A2A;}
.people-card:nth-child(3) .people-ico{background:rgba(108,74,182,.14);color:var(--accent);}
.people-card h3{font-size:18px;}
.people-card ul{display:flex;flex-direction:column;gap:10px;}
.people-card li{font-size:14px;color:var(--ink-2);display:flex;gap:8px;}
.people-card li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-1);margin-top:8px;flex:0 0 auto;}

/* 频道入口 */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.channel-item{
  display:flex;flex-direction:column;gap:8px;padding:22px;
  border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-item i{color:var(--brand-1);font-size:16px;}
.channel-item b{font-size:15.5px;font-weight:700;}
.channel-item span{font-size:12.5px;color:var(--ink-2);}
.channel-item.is-link:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(232,70,124,.4);}
.channel-item.is-static{cursor:default;background:var(--bg);}

/* 资源列表行 */
.res-list{border-top:1px solid var(--line);}
.res-row{
  display:grid;grid-template-columns:52px 1.4fr 2fr auto auto;gap:20px;align-items:center;
  padding:22px 18px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.res-row:hover{background:rgba(232,70,124,.045);}
.res-ico{
  width:44px;height:44px;border-radius:13px;background:rgba(232,70,124,.1);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.res-row h3{font-size:16px;font-weight:700;}
.res-row .desc{font-size:14px;color:var(--ink-2);margin:0;}

/* 资讯区 */
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start;}
.news-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.news-main .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(232,70,124,.08);}
.news-main .thumb img{width:100%;height:100%;object-fit:cover;}
.news-main .body{padding:26px 28px;}
.news-main h3{font-size:21px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main p{color:var(--ink-2);font-size:14.5px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--ink-2);}
.news-side{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.news-row{
  padding:18px 4px;border-bottom:1px solid var(--line);
  display:flex;align-items:flex-start;gap:14px;transition:background .2s ease;
}
.news-row:hover{background:rgba(232,70,124,.045);}
.news-row .idx{font-size:13px;font-weight:800;color:var(--brand-1);opacity:.6;padding-top:2px;}
.news-row h4{font-size:15px;line-height:1.55;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row .meta{font-size:12px;color:var(--ink-2);}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
}
.empty-state .ico{
  width:96px;height:96px;border-radius:50%;margin:0 auto 20px;display:flex;align-items:center;justify-content:center;
  background:rgba(232,70,124,.1);color:var(--brand-1);font-size:30px;
}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}

/* 深色指标条 */
.metrics{position:relative;overflow:hidden;}
.metrics::before{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,70,124,.28),transparent 70%);
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;z-index:1;
}
.metric{padding:10px 26px;border-left:1px solid rgba(255,255,255,.14);}
.metric:first-child{border-left:none;padding-left:0;}
.metric b{display:block;font-size:32px;font-weight:800;line-height:1.2;color:#fff;letter-spacing:-1px;}
.metric span{font-size:12.5px;color:rgba(255,255,255,.68);}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;position:relative;transition:box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:none;text-align:left;
  font-size:17px;font-weight:700;color:var(--brand-ink);cursor:pointer;
}
.faq-q .mark{font-size:20px;font-weight:700;color:var(--brand-1);flex:0 0 auto;line-height:1;}
.faq-item.is-open .faq-q .mark{color:var(--brand-2);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a .inner{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}

/* 准则 */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.guide-item{
  background:var(--bg);border-radius:var(--r-md);padding:24px;
  border:1px solid var(--line);
}
.guide-item .ico{
  width:36px;height:36px;border-radius:50%;background:rgba(23,178,106,.12);color:#0E8A50;
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:14px;
}
.guide-item h4{margin-bottom:8px;}
.guide-item p{font-size:13.5px;color:var(--ink-2);margin:0;}

/* 品牌说明 */
.about-grid{display:grid;grid-template-columns:4fr 6fr;gap:44px;align-items:center;}
.about-figure{border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;box-shadow:var(--sh);border:1px solid var(--line);}
.about-figure img{width:100%;height:100%;object-fit:cover;}
.about-body p{color:var(--ink-2);font-size:15px;}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}

/* 结尾 CTA */
.cta-band{
  border-radius:var(--r-lg);padding:52px 48px;position:relative;overflow:hidden;
  background:var(--grad);color:#fff;box-shadow:0 24px 48px rgba(232,70,124,.24);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-120px;bottom:-220px;background:rgba(255,255,255,.14);
}
.cta-band h2{color:#fff;margin-bottom:14px;position:relative;z-index:1;}
.cta-band p{color:rgba(255,255,255,.88);margin-bottom:26px;position:relative;z-index:1;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-band .btn-ghost{background:#fff;border-color:#fff;color:var(--brand-1);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.9);color:var(--brand-1);}
.cta-band .btn-line{color:#fff;border-color:rgba(255,255,255,.6);}
.cta-band .btn-line:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}

/* 页脚 */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.55);opacity:1;}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.6);margin-top:18px;max-width:280px;}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--brand-1);}
.footer-col p{font-size:13px;color:rgba(255,255,255,.56);margin:0 0 10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.5);
}

/* 响应式 */
@media (min-width:1200px){
  .container{max-width:1200px;}
}
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-figure{aspect-ratio:1/1;}
  .wall{grid-template-columns:repeat(3,1fr);}
  .download-grid{gap:18px;}
  .channel-grid{grid-template-columns:repeat(3,1fr);}
  .float-card{left:-12px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .main-nav,.nav-actions .btn-brand{display:none;}
  .nav-toggle{display:flex;}
  .hero{padding:56px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-figure{aspect-ratio:16/10;}
  .float-card{position:static;margin-top:16px;max-width:none;left:auto;bottom:auto;}
  .solution-grid{grid-template-columns:1fr;gap:28px;}
  .steps-flow{grid-template-columns:1fr 1fr;gap:30px;}
  .steps-flow::before{display:none;}
  .download-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .pain-grid{grid-template-columns:1fr;}
  .pain-card:nth-child(even){transform:none;}
  .people-grid{grid-template-columns:1fr;}
  .guide-grid{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;gap:28px;}
  .check-grid{grid-template-columns:1fr;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .metric{border-left:none;padding-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .res-row{grid-template-columns:44px 1fr auto;gap:14px;row-gap:10px;}
  .res-row .desc{grid-column:2 / -1;}
  .res-row .btn-line{grid-column:2 / -1;justify-self:start;}
  .cta-band{padding:40px 28px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:52px 0;}
  .section--tight{padding:46px 0;}
  h1{font-size:32px;}
  .hero-lead{font-size:15.5px;}
  .wall{grid-template-columns:1fr 1fr;}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .download-panel{padding:24px 18px;}
  .steps-flow{grid-template-columns:1fr;gap:24px;}
  .flow-item{text-align:left;display:grid;grid-template-columns:56px 1fr;gap:16px;align-items:start;}
  .flow-num{margin:0;}
  .flow-item h3,.flow-item p{grid-column:2;}
  .metrics-grid{grid-template-columns:1fr;gap:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost,.cta-actions .btn-line{width:100%;}
  .hero-cta .btn-brand,.hero-cta .btn-ghost{width:100%;}
  .news-main .body{padding:20px;}
  .sol-main .body{padding:20px;}
  .sol-sub{grid-template-columns:1fr;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a .inner{padding:0 18px 18px;}
}
@media (max-width:520px){
  .brand-sub{font-size:9.5px;}
  .mini-badge{width:100%;}
  .badge-pill{font-size:11.5px;}
  .channel-grid{grid-template-columns:1fr;}
  .hero-caption h3{font-size:16px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: article */
:root{
  --brand-1:#E8467C;
  --brand-2:#FF9A5C;
  --brand-ink:#2A1730;
  --accent:#6C4AB6;
  --bg:#FFF8F4;
  --surface:#FFFFFF;
  --ink-2:#5C5266;
  --line:#F0E4E6;
  --ok:#17B26A;
  --grad:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 28px rgba(42,23,48,.08);
  --sh-hover:0 18px 40px rgba(42,23,48,.14);
  --bs-primary:#E8467C;
  --bs-body-bg:#FFF8F4;
  --bs-body-color:#2A1730;
  --bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--brand-ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease;}
a:hover{color:var(--brand-1);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;word-break:break-word;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--white{background:var(--surface);}
.section--soft{background:var(--bg);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--brand-1);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad);}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.28;}
.section-head p{color:var(--ink-2);margin-top:12px;font-size:16px;}
.text-ink2{color:var(--ink-2);}
/* 按钮 */
.btn-brand,.btn-ghost,.btn-line,.btn-white{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(232,70,124,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 32px rgba(232,70,124,.34);}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,70,124,.3);}
.btn-ghost{background:var(--surface);color:var(--brand-ink);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;color:var(--brand-1);border-color:rgba(232,70,124,.45);height:42px;padding:0 20px;font-size:14px;}
.btn-line:hover{background:rgba(232,70,124,.08);color:var(--brand-1);border-color:var(--brand-1);}
.btn-white{background:#fff;color:var(--brand-1);box-shadow:0 10px 24px rgba(42,23,48,.16);}
.btn-white:hover{color:var(--brand-1);transform:translateY(-2px);filter:brightness(.98);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
/* 徽章 */
.badge-pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;}
.badge-grad{background:var(--grad);color:#fff;}
.badge-soft{background:rgba(232,70,124,.1);color:var(--brand-1);}
.badge-line{border:1px solid var(--line);color:var(--ink-2);background:var(--surface);}
.badge-ok{background:rgba(23,178,106,.12);color:#0E8A50;}
/* 头部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);}
.nav-top{border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(232,70,124,.28);flex:0 0 auto;
}
.brand-main{display:block;font-size:19px;font-weight:800;letter-spacing:-.5px;line-height:1.2;}
.brand-sub{display:block;font-size:10.5px;font-weight:500;color:var(--ink-2);opacity:.72;letter-spacing:.02em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);}
.main-nav a:hover{background:rgba(232,70,124,.08);color:var(--brand-1);}
.main-nav a.active{color:var(--brand-1);background:rgba(232,70,124,.1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand-ink);font-size:17px;display:none;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-panel{display:none;padding:0 24px 18px;border-top:1px solid var(--line);background:var(--surface);}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 4px;border-bottom:1px dashed var(--line);font-size:15px;font-weight:600;color:var(--brand-ink);}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn-brand{width:100%;margin-top:14px;}
/* 进度步骤导航 */
.nav-steps{background:var(--bg);border-bottom:1px solid var(--line);}
.steps{display:flex;margin:0;padding:0;list-style:none;overflow-x:auto;scrollbar-width:none;}
.steps::-webkit-scrollbar{display:none;}
.steps li{flex:1 1 0;min-width:180px;}
.step{display:flex;align-items:center;gap:10px;padding:15px 0;font-size:13.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;}
.step .dot{
  width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line);background:var(--surface);
  display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;color:var(--ink-2);flex:0 0 auto;
}
.step.is-current .dot{background:var(--grad);color:#fff;border-color:transparent;}
.step.is-current{color:var(--brand-1);}
.steps li:not(:last-child) .step::after{content:"";flex:1;height:0;border-top:1px dashed var(--line);margin-left:8px;}
/* 文章头部 */
.article-hero{padding:44px 0 36px;background:var(--bg);border-bottom:1px dashed var(--line);}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:18px;}
.breadcrumb-list li{display:flex;align-items:center;gap:10px;}
.breadcrumb-list li+li::before{content:"/";color:#D9C9CE;}
.breadcrumb-list a:hover{color:var(--brand-1);}
.breadcrumb-list li[aria-current]{color:var(--brand-ink);font-weight:600;}
.article-hero h1{font-size:clamp(26px,3.4vw,40px);line-height:1.3;font-weight:800;margin-bottom:18px;max-width:960px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13.5px;color:var(--ink-2);}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item i{color:var(--brand-1);}
/* 正文布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start;}
.article-body{
  width:100%;max-width:760px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:40px;box-shadow:var(--sh);
  font-size:17px;line-height:1.95;color:#3B2A42;
}
.article-body > :first-child{margin-top:0;}
.article-body > :last-child{margin-bottom:0;}
.article-body h2{font-size:24px;font-weight:800;margin:38px 0 16px;padding-left:14px;position:relative;color:var(--brand-ink);}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--grad);}
.article-body h3{font-size:20px;font-weight:800;margin:30px 0 12px;color:var(--brand-ink);}
.article-body h4{font-size:17px;font-weight:800;margin:24px 0 10px;}
.article-body p{margin:0 0 20px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:10px;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--bg);border-left:4px solid var(--brand-1);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--ink-2);
}
.article-body img{border-radius:var(--r-md);margin:24px 0;}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-1);text-decoration:underline;text-underline-offset:3px;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--bg);}
/* 空态 */
.empty-state{text-align:center;padding:36px 10px 20px;}
.empty-icon{
  width:96px;height:96px;border-radius:50%;background:rgba(232,70,124,.1);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 20px;
}
.empty-state p{font-size:17px;font-weight:700;color:var(--brand-ink);margin-bottom:20px;}
/* 侧栏 */
.article-side{position:sticky;top:152px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh);}
.side-card h3{font-size:15px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand-1);}
.side-card figure{margin:0 0 14px;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:var(--bg);}
.side-card figure img{width:100%;height:100%;object-fit:cover;}
.side-card .side-note{font-size:13px;line-height:1.75;color:var(--ink-2);}
.side-links a{
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  padding:9px 0;font-size:14px;color:var(--ink-2);border-bottom:1px dashed var(--line);
}
.side-links a:last-child{border-bottom:0;}
.side-links a:hover{color:var(--brand-1);transform:translateX(2px);}
.side-links i{font-size:11px;color:#C9B6BC;}
/* 阅读提示卡 */
.key-points{
  margin-top:28px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px 30px;
}
.key-points h2{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.key-points h2 i{color:var(--brand-1);font-size:16px;}
.key-points ul{display:flex;flex-direction:column;gap:12px;}
.key-points li{position:relative;padding-left:20px;font-size:15px;line-height:1.8;color:var(--ink-2);}
.key-points li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--grad);}
/* 文章信息卡 */
.article-info-card{
  display:flex;gap:16px;align-items:flex-start;margin-top:24px;padding:22px 24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
}
.info-avatar{
  width:44px;height:44px;border-radius:50%;background:rgba(108,74,182,.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:0 0 auto;
}
.info-title{font-size:14px;font-weight:800;color:var(--brand-ink);margin-bottom:4px;}
.info-text{font-size:13.5px;line-height:1.8;color:var(--ink-2);}
/* 下载区 */
.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.dl-card{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.dl-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);opacity:0;transition:opacity .22s ease;}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(232,70,124,.28);}
.dl-card:hover::before{opacity:1;}
.dl-icon{
  width:52px;height:52px;border-radius:16px;background:rgba(232,70,124,.1);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.dl-card:nth-child(2) .dl-icon{background:rgba(255,154,92,.16);color:#D9702A;}
.dl-card:nth-child(3) .dl-icon{background:rgba(108,74,182,.12);color:var(--accent);}
.dl-card h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.dl-card p{font-size:14px;line-height:1.8;color:var(--ink-2);margin-bottom:14px;}
.dl-file{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand-ink);
  background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px 12px;margin-bottom:18px;
}
.dl-card .btn-brand{width:100%;}
/* 文件对照 */
.file-table{margin-top:36px;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:var(--surface);}
.file-row{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:16px;padding:16px 22px;font-size:14px;align-items:center;}
.file-row+.file-row{border-top:1px solid var(--line);}
.file-row.head{background:var(--bg);font-weight:800;color:var(--brand-ink);font-size:13px;letter-spacing:.02em;}
.file-row span{color:var(--ink-2);}
.file-row span:first-child{color:var(--brand-ink);font-weight:700;}
.file-row code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--brand-1);background:rgba(232,70,124,.08);padding:2px 8px;border-radius:6px;}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;font-weight:600;color:var(--brand-1);line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item[open]{box-shadow:var(--sh);}
.faq-item[open] summary{color:var(--brand-1);}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);}
.faq-body{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}
/* 推荐 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  display:flex;flex-direction:column;gap:12px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(232,70,124,.28);}
.rel-card h3{font-size:17px;font-weight:800;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-date{font-size:12.5px;color:#93859C;}
/* CTA */
.cta-section{background:var(--brand-ink);padding:72px 0;}
.cta-card{
  position:relative;overflow:hidden;background:var(--grad);border-radius:var(--r-lg);
  padding:48px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.35;margin-bottom:10px;}
.cta-card p{font-size:15px;color:rgba(255,255,255,.88);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
/* 页脚 */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:44px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--brand-1);}
.footer-col p{font-size:13.5px;line-height:1.8;margin-bottom:10px;color:rgba(255,255,255,.62);}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);opacity:.72;}
.footer-brand p{margin-top:16px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.55);
}
/* 响应式 */
@media (max-width:1199px){
  .container{max-width:960px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
  .article-body{padding:34px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:1fr;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 280px;}
  .download-grid{grid-template-columns:1fr 1fr;}
  .rel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-card{padding:38px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:52px 0;}
  .section--tight{padding:46px 0;}
  .article-hero{padding:32px 0 28px;}
  .article-body{padding:24px;font-size:16px;line-height:1.9;}
  .article-body h2{font-size:21px;}
  .article-body h3{font-size:18px;}
  .key-points{padding:22px;}
  .download-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .file-row{grid-template-columns:1fr;gap:6px;padding:14px 18px;}
  .file-row.head{display:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .cta-section{padding:52px 0;}
  .cta-card{padding:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1 1 100%;}
  .steps li{min-width:150px;}
  .brand-sub{max-width:180px;}
}
@media (max-width:520px){
  .article-body{padding:20px;}
  .meta-row{font-size:12.5px;}
  .faq-item summary{padding:16px 18px;font-size:15.5px;gap:10px;}
  .faq-body{padding:0 18px 16px;font-size:14.5px;}
  .article-info-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --brand-1:#E8467C;
  --brand-2:#FF9A5C;
  --brand-ink:#2A1730;
  --accent:#6C4AB6;
  --bg:#FFF8F4;
  --surface:#FFFFFF;
  --ink-2:#5C5266;
  --line:#F0E4E6;
  --ok:#17B26A;
  --grad:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 28px rgba(42,23,48,.08);
  --sh-hover:0 18px 40px rgba(42,23,48,.14);
  --bs-primary:#E8467C;
  --bs-body-bg:#FFF8F4;
  --bs-body-color:#2A1730;
  --bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--brand-ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1);}
button{font-family:inherit;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.3px;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--bg{background:var(--bg);}
.section--white{background:var(--surface);}
.section--dark{background:var(--brand-ink);color:#fff;}
.section--dark h2{color:#fff;}
.section--dark .section-head p{color:rgba(255,255,255,.72);}
.section-head{max-width:780px;margin-bottom:42px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-1);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--grad);}
.section-head h2{font-size:clamp(26px,2.6vw,34px);line-height:1.3;}
.section-head p{color:var(--ink-2);margin-top:14px;font-size:16px;}
.section--dark .eyebrow{color:var(--brand-2);}
.text-ink2{color:var(--ink-2);}
/* 按钮 */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-brand{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(232,70,124,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 32px rgba(232,70,124,.34);}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(232,70,124,.3);}
.btn-ghost{background:var(--surface);color:var(--brand-ink);border-color:var(--line);}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--sh);}
.btn-ghost:active{transform:translateY(0);box-shadow:none;}
.btn-line{background:transparent;color:var(--brand-1);border-color:rgba(232,70,124,.45);height:42px;padding:0 20px;font-size:14px;}
.btn-line:hover{background:rgba(232,70,124,.08);color:var(--brand-1);border-color:var(--brand-1);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
/* 徽章 */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.6;
}
.badge-grad{background:var(--grad);color:#fff;}
.badge-soft{background:rgba(232,70,124,.1);color:var(--brand-1);}
.badge-line{border:1px solid var(--line);color:var(--ink-2);background:var(--surface);}
.badge-ok{background:rgba(23,178,106,.12);color:#0E8A50;}
/* 头部 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,244,.96);backdrop-filter:blur(10px);box-shadow:0 1px 0 var(--line);}
.nav-top{border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(232,70,124,.28);flex:0 0 auto;
}
.brand-main{display:block;font-size:19px;font-weight:800;letter-spacing:-.5px;line-height:1.2;}
.brand-sub{display:block;font-size:10.5px;font-weight:500;color:var(--ink-2);opacity:.72;letter-spacing:.02em;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--ink-2);transition:background .2s ease,color .2s ease;}
.main-nav a:hover{background:rgba(232,70,124,.08);color:var(--brand-1);}
.main-nav a.active{color:var(--brand-1);background:rgba(232,70,124,.1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  color:var(--brand-ink);font-size:17px;display:none;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}
.mobile-panel{display:none;padding:6px 24px 18px;border-top:1px solid var(--line);background:var(--surface);}
.mobile-panel.open{display:block;}
.mobile-panel a{display:block;padding:12px 4px;border-bottom:1px dashed var(--line);font-size:15px;font-weight:600;color:var(--brand-ink);}
.mobile-panel a:last-of-type{border-bottom:none;}
.mobile-panel .btn-brand{width:100%;margin-top:14px;}
/* 进度步骤导航 */
.nav-steps{background:var(--bg);border-bottom:1px solid var(--line);}
.steps-inner{display:flex;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none;}
.steps-inner::-webkit-scrollbar{display:none;}
.step{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--ink-2);white-space:nowrap;transition:color .2s ease;}
.step:hover{color:var(--brand-1);}
.step-dot{
  width:22px;height:22px;border-radius:50%;border:1.5px solid rgba(232,70,124,.5);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;
  color:var(--brand-1);background:var(--surface);flex:0 0 auto;
}
.step.is-done .step-dot{background:var(--grad);border-color:transparent;color:#fff;}
.step.is-done{color:var(--brand-ink);}
.step-line{flex:1 0 44px;min-width:44px;height:1px;margin:0 14px;background:repeating-linear-gradient(90deg,var(--line) 0 6px,transparent 6px 12px);}
.step-line.is-done{background:var(--grad);border-radius:2px;height:2px;}
/* 分类头部条 */
.cat-hero{
  position:relative;
  padding:52px 0 46px;
  background:
    radial-gradient(760px 320px at 92% -30%,rgba(255,154,92,.18),transparent 62%),
    radial-gradient(620px 300px at 0% 0%,rgba(232,70,124,.1),transparent 58%),
    var(--bg);
  border-bottom:1px dashed var(--line);
}
.cat-hero-grid{display:grid;grid-template-columns:1fr 268px;gap:44px;align-items:center;}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:16px;}
.breadcrumb-custom li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-custom li+li::before{content:"/";color:var(--line);font-weight:400;}
.breadcrumb-custom a:hover{color:var(--brand-1);text-decoration:underline;}
.breadcrumb-custom .current{color:var(--brand-ink);font-weight:700;}
.cat-hero h1{font-size:clamp(30px,3.4vw,42px);line-height:1.25;margin-bottom:16px;}
.cat-hero h1 .hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.cat-lead{color:var(--ink-2);font-size:16px;max-width:660px;margin-bottom:0;}
.stat-badges{display:flex;flex-direction:column;gap:14px;}
.stat-badge{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;}
.stat-badge:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.stat-badge b{display:block;font-size:26px;font-weight:800;line-height:1.2;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-badge span{display:block;font-size:12.5px;color:var(--ink-2);margin-top:4px;line-height:1.6;}
/* 筛选条 */
.filter-bar{
  position:sticky;top:120px;z-index:1020;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.filter-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-scroll::-webkit-scrollbar{display:none;}
.chip{
  padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.chip:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-1px);}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(232,70,124,.24);}
/* 内容列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
  position:relative;
}
.post-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:var(--grad);opacity:0;transition:opacity .22s ease;z-index:2;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.post-card:hover::before{opacity:1;}
.post-thumb-wrap{display:block;overflow:hidden;background:rgba(232,70,124,.08);}
.post-thumb{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .post-thumb{transform:scale(1.03);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-title{font-size:17px;font-weight:700;line-height:1.5;}
.post-title a{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-excerpt{font-size:14px;line-height:1.75;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--ink-2);
}
.post-meta .go{color:var(--brand-1);font-weight:700;display:inline-flex;align-items:center;gap:6px;}
.empty-state{
  text-align:center;padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state .empty-icon{
  width:96px;height:96px;border-radius:50%;background:rgba(232,70,124,.1);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 20px;
}
.empty-state p{color:var(--ink-2);margin-bottom:20px;}
/* 精选专题 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-card{
  display:flex;gap:16px;padding:22px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(232,70,124,.35);}
.topic-icon{
  width:48px;height:48px;border-radius:14px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  background:rgba(232,70,124,.1);color:var(--brand-1);
}
.topic-icon.accent{background:rgba(108,74,182,.12);color:var(--accent);}
.topic-icon.orange{background:rgba(255,154,92,.16);color:#E07A33;}
.topic-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px;line-height:1.5;}
.topic-card p{font-size:13.5px;color:var(--ink-2);line-height:1.7;margin:0;}
/* 下载 */
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.dl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.dl-icon{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  font-size:21px;background:rgba(232,70,124,.1);color:var(--brand-1);
}
.dl-card h3{font-size:18px;color:var(--brand-ink);}
.dl-card p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin:0;}
.dl-file{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);padding:7px 12px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.dl-note{margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.8;}
/* FAQ */
.faq-list{max-width:880px;}
.faq-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:14px;padding:0 22px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--sh);border-color:rgba(232,70,124,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 42px 20px 14px;
  font-size:17px;font-weight:700;position:relative;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;border-radius:2px;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--brand-1);line-height:1;transition:transform .22s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary{padding-left:18px;}
.faq-item[open] summary::after{content:"−";}
.faq-answer{padding:0 0 20px 18px;font-size:15px;line-height:1.9;color:var(--ink-2);}
/* 准则 */
.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px;}
.guide-item{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;
  display:flex;gap:12px;align-items:flex-start;
}
.guide-item i{color:var(--brand-1);font-size:16px;margin-top:4px;}
.guide-item b{display:block;font-size:15px;margin-bottom:4px;}
.guide-item span{font-size:13px;color:var(--ink-2);line-height:1.7;}
/* 编辑推荐 */
.rank-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 28px;box-shadow:var(--sh);}
.rank-item{display:flex;gap:20px;align-items:flex-start;padding:20px 0;border-bottom:1px dashed var(--line);}
.rank-item:last-child{border-bottom:none;}
.rank-num{font-size:34px;font-weight:800;line-height:1;color:rgba(232,70,124,.22);min-width:46px;font-variant-numeric:tabular-nums;}
.rank-title{font-size:16.5px;font-weight:700;line-height:1.55;margin-bottom:4px;}
.rank-desc{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
/* 指标 */
.metrics-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;box-shadow:var(--sh);
}
.metric{padding:0 22px;}
.metric:first-child{padding-left:0;}
.metric+.metric{border-left:1px dashed var(--line);}
.metric b{display:block;font-size:30px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.metric span{display:block;font-size:12.5px;color:var(--ink-2);margin-top:6px;line-height:1.7;}
/* CTA */
.cta-card{
  position:relative;overflow:hidden;background:var(--brand-ink);color:#fff;
  border-radius:var(--r-lg);padding:48px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,70,124,.42),transparent 68%);
}
.cta-card h2{font-size:clamp(24px,2.4vw,32px);line-height:1.35;margin-bottom:10px;position:relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.74);font-size:14.5px;margin:0;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.36);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
/* 页脚 */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.78);padding:64px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:10px;font-size:13.5px;line-height:1.7;}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);margin-bottom:10px;}
.site-footer a{color:rgba(255,255,255,.78);}
.site-footer a:hover{color:var(--brand-2);}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);opacity:1;}
.footer-brand p{margin-top:16px;max-width:300px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.56);
}
/* 响应式 */
@media (min-width:1200px){
  .post-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1199px){
  .container{max-width:960px;}
  .section{padding:76px 0;}
  .cat-hero-grid{grid-template-columns:1fr 230px;gap:30px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .dl-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-brand.d-none{display:none!important;}
  .section{padding:64px 0;}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px;}
  .stat-badges{flex-direction:row;flex-wrap:wrap;}
  .stat-badge{flex:1 1 200px;}
  .filter-bar{top:120px;}
  .dl-grid{grid-template-columns:1fr;}
  .guide-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .metrics-card{grid-template-columns:1fr;gap:20px;padding:28px 24px;}
  .metric{padding:0;}
  .metric+.metric{border-left:none;border-top:1px dashed var(--line);padding-top:18px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  body{font-size:16px;}
  .section{padding:52px 0;}
  .cat-hero{padding:36px 0 34px;}
  .cat-hero h1{font-size:29px;}
  .post-grid{grid-template-columns:1fr;gap:18px;}
  .topic-grid{grid-template-columns:1fr;}
  .filter-bar{top:120px;padding:10px 0;}
  .chip{padding:7px 15px;font-size:13px;}
  .cta-card{padding:32px 24px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .rank-card{padding:8px 18px;}
  .rank-num{font-size:26px;min-width:36px;}
  .faq-item{padding:0 16px;}
  .faq-item summary{font-size:15.5px;padding:16px 36px 16px 12px;}
  .faq-answer{padding-left:14px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;}
  .dl-card{padding:20px;}
}