/* roulang page: index */
:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --surface-2:#f5f4f0;
  --ink:#16192b;
  --ink-2:#3d4258;
  --muted:#7b8299;
  --line:#e9e7f1;
  --brand:#4f46e5;
  --brand-dark:#3a31c4;
  --brand-soft:#eef0ff;
  --accent:#ff6f4a;
  --accent-soft:#fff1ec;
  --green:#2f9e6f;
  --green-soft:#e8f6ef;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --sh-s:0 1px 2px rgba(22,25,43,.06);
  --sh-m:0 12px 34px -16px rgba(22,25,43,.22);
  --sh-l:0 28px 64px -28px rgba(22,25,43,.32);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--brand-dark);text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(79,70,229,.9);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(79,70,229,.95);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(255,111,74,.9);}
.btn-accent:hover{background:#e85b36;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-ghost{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost:hover{background:#e0e3ff;}
.hero .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06);}
.hero .btn-outline:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff;}

.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.14);color:#dcdcff;}

.section{padding:76px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,31px);margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:15.5px;}

.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px;box-shadow:var(--sh-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:14.5px;}

.tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-warm{background:var(--accent-soft);color:#c9451f;}
.tag-green{background:var(--green-soft);color:#1f7a54;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4f46e5,#ff6f4a);color:#fff;font-size:14px;
  box-shadow:0 8px 18px -8px rgba(79,70,229,.9);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{padding:8px 14px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:.18s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);cursor:pointer;place-items:center;font-size:15px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark);}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:#12142a;
  padding:74px 0 0;
}
.hero::before{
  content:"";position:absolute;left:-12%;top:-40%;width:820px;height:820px;
  background:radial-gradient(closest-side,rgba(79,70,229,.55),transparent 70%);
}
.hero::after{
  content:"";position:absolute;right:-14%;top:-28%;width:660px;height:660px;
  background:radial-gradient(closest-side,rgba(255,111,74,.36),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:#ffd9cd;
  background:rgba(255,111,74,.18);border:1px solid rgba(255,111,74,.36);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.hero-title{
  font-size:clamp(27px,4.2vw,46px);line-height:1.28;color:#fff;
  letter-spacing:-.02em;margin-bottom:22px;
}
.hero-title em{font-style:normal;color:#ffb199;}
.hero-lead{font-size:16.5px;color:rgba(255,255,255,.82);max-width:720px;margin-bottom:28px;}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 26px;margin-bottom:34px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86);}
.hero-points i{color:#8ee0bd;margin-top:6px;font-size:13px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:13.5px;color:rgba(255,255,255,.7);
  padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{color:#ffb199;font-size:12px;}
.hero-strip{position:relative;z-index:2;display:flex;height:22px;margin-top:44px;}
.hero-strip span{flex:1;}
.hero-strip span:hover{filter:brightness(1.15);}

/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px 22px;box-shadow:var(--sh-s);transition:.2s;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-m);}
.metric-num{font-size:33px;font-weight:800;line-height:1;color:var(--brand-dark);letter-spacing:-.03em;}
.metric-num small{font-size:16px;font-weight:700;margin-left:3px;}
.metric-label{font-size:14.5px;font-weight:600;margin-top:12px;color:var(--ink);}
.metric-desc{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-card{
  position:relative;display:block;padding:32px 28px 30px;
  border-radius:var(--r-l);border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--sh-s);overflow:hidden;transition:.22s;
}
.cat-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));opacity:0;transition:.22s;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--sh-l);border-color:#ded9f5;}
.cat-card:hover::after{opacity:1;}
.cat-idx{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.14em;}
.cat-card h3{font-size:19px;margin:14px 0 10px;color:var(--ink);}
.cat-card p{color:var(--ink-2);font-size:14.5px;margin-bottom:18px;}
.cat-more{font-size:14px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:7px;}
.cat-card:hover .cat-more i{transform:translateX(4px);}
.cat-more i{transition:transform .2s;}

/* ---------- 精选推荐 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.pick{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-s);transition:.2s;display:flex;flex-direction:column;
}
.pick:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.pick-swatches{display:flex;height:112px;}
.pick-swatches span{flex:1;transition:.24s;}
.pick:hover .pick-swatches span{flex:1.1;}
.pick-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.pick-body h3{font-size:17px;}
.pick-body p{font-size:14px;color:var(--ink-2);}
.pick-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.hex-row{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:var(--muted);letter-spacing:.02em;}

/* ---------- 场景矩阵 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.scene{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);
  padding:20px 18px;transition:.18s;
}
.scene:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-3px);}
.scene i{font-size:17px;color:var(--brand);margin-bottom:10px;display:block;}
.scene h3{font-size:15px;margin-bottom:6px;}
.scene p{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-col{border-radius:var(--r-m);padding:28px;border:1px solid var(--line);background:var(--surface);}
.compare-col.bad{background:#fbf8f8;border-color:#f0e6e4;}
.compare-col.good{background:#f6f7ff;border-color:#dfe1fb;box-shadow:var(--sh-m);}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.compare-col.bad h3 i{color:#c98b7d;}
.compare-col.good h3 i{color:var(--brand);}
.compare-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:14.5px;color:var(--ink-2);padding:9px 0;border-bottom:1px dashed var(--line);
}
.compare-list li:last-child{border-bottom:none;}
.compare-list i{font-size:13px;margin-top:7px;}
.compare-col.bad i{color:#c98b7d;}
.compare-col.good i{color:var(--green);}

/* ---------- 排行榜 ---------- */
.rank-board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-s);}
.rank-item{
  display:flex;align-items:center;gap:20px;padding:18px 26px;
  border-bottom:1px solid var(--line);transition:.18s;
}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--brand-soft);}
.rank-no{
  width:32px;height:32px;flex:none;border-radius:9px;display:grid;place-items:center;
  font-size:14px;font-weight:800;background:var(--surface-2);color:var(--muted);
}
.rank-item:nth-child(1) .rank-no{background:#4f46e5;color:#fff;}
.rank-item:nth-child(2) .rank-no{background:#ff6f4a;color:#fff;}
.rank-item:nth-child(3) .rank-no{background:#2f9e6f;color:#fff;}
.rank-dots{display:flex;gap:5px;flex:none;}
.rank-dots span{width:22px;height:22px;border-radius:6px;}
.rank-name{font-size:15px;font-weight:600;flex:1;}
.rank-name small{display:block;font-weight:400;font-size:12.5px;color:var(--muted);}
.rank-heat{font-size:14px;font-weight:700;color:var(--ink-2);}
.rank-delta{font-size:13px;font-weight:600;color:var(--green);min-width:56px;text-align:right;}
.rank-delta.down{color:#c0604a;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news{display:flex;gap:20px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:24px;transition:.2s;}
.news:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.news-date{
  flex:none;width:62px;text-align:center;border-right:1px solid var(--line);padding-right:16px;
}
.news-date b{display:block;font-size:22px;line-height:1.1;color:var(--brand-dark);}
.news-date span{font-size:12.5px;color:var(--muted);}
.news-body h3{font-size:16.5px;margin-bottom:8px;}
.news-body p{font-size:14px;color:var(--ink-2);margin-bottom:12px;}

/* ---------- 案例证据 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:28px;position:relative;box-shadow:var(--sh-s);
}
.quote::before{
  content:"\201C";position:absolute;top:8px;right:22px;font-size:70px;line-height:1;
  color:#ecedfb;font-family:Georgia,serif;
}
.quote p{position:relative;font-size:14.5px;color:var(--ink-2);margin-bottom:20px;}
.quote-who{display:flex;align-items:center;gap:12px;}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#fff;background:var(--brand);
}
.quote-who b{display:block;font-size:14px;}
.quote-who span{font-size:12.5px;color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),var(--accent),transparent);}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:7px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-item:last-child::before{border-color:var(--accent);}
.tl-item b{font-size:15px;display:block;margin-bottom:5px;}
.tl-item span{font-size:14px;color:var(--ink-2);}

/* ---------- 合作伙伴 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;}
.partner{
  display:grid;place-items:center;height:74px;border-radius:var(--r-s);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--muted);transition:.18s;text-align:center;padding:0 8px;
}
.partner:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);transform:translateY(-3px);}

/* ---------- 保障条 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.assure{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:22px;
}
.assure i{
  flex:none;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:var(--green-soft);color:var(--green);font-size:15px;
}
.assure b{display:block;font-size:15px;margin-bottom:5px;}
.assure span{font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ---------- 更新日志 ---------- */
.log-list{border-left:2px solid var(--line);margin-left:8px;padding-left:26px;}
.log-item{position:relative;padding-bottom:26px;}
.log-item:last-child{padding-bottom:0;}
.log-item::before{
  content:"";position:absolute;left:-34px;top:8px;width:10px;height:10px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);
}
.log-ver{font-size:12.5px;font-weight:700;color:var(--brand-dark);letter-spacing:.06em;background:var(--brand-soft);padding:3px 10px;border-radius:999px;display:inline-block;margin-bottom:8px;}
.log-item h3{font-size:16px;margin-bottom:6px;}
.log-item p{font-size:14px;color:var(--ink-2);}

/* ---------- 自测问卷 ---------- */
.quiz-board{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);padding:34px;box-shadow:var(--sh-s);}
.quiz-q{margin-bottom:26px;}
.quiz-q:last-of-type{margin-bottom:20px;}
.quiz-q b{display:block;font-size:15.5px;margin-bottom:13px;}
.quiz-q b i{color:var(--brand);margin-right:8px;font-size:13px;}
.quiz-opts{display:flex;flex-wrap:wrap;gap:10px;}
.quiz-opt{
  border:1px solid var(--line);background:var(--surface);border-radius:999px;
  padding:9px 20px;font-size:14px;color:var(--ink-2);cursor:pointer;transition:.18s;
}
.quiz-opt:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.quiz-opt.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600;box-shadow:0 10px 22px -12px rgba(79,70,229,.9);}
.quiz-hint{
  background:var(--accent-soft);border:1px dashed #ffcbb9;border-radius:var(--r-s);
  padding:16px 20px;font-size:14px;color:#a8461f;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:.2s;}
.faq-item:hover{border-color:#ded9f5;}
.faq-item.is-open{box-shadow:var(--sh-m);border-color:#ded9f5;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:transparent;border:none;padding:20px 24px;font-size:15.5px;font-weight:600;
  cursor:pointer;color:var(--ink);
}
.faq-q i{color:var(--brand);font-size:13px;transition:transform .22s;margin-left:auto;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 订阅转化 ---------- */
.subscribe{
  background:linear-gradient(135deg,#1b1d38 0%,#2b2a55 55%,#3c2b4d 100%);
  border-radius:var(--r-l);padding:52px 46px;color:#fff;position:relative;overflow:hidden;
}
.subscribe::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,111,74,.4),transparent 70%);
}
.subscribe-in{position:relative;z-index:2;max-width:660px;}
.subscribe h2{color:#fff;font-size:clamp(21px,2.6vw,29px);margin-bottom:14px;}
.subscribe p{color:rgba(255,255,255,.8);font-size:15px;margin-bottom:26px;}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input[type="email"],.sub-form select{
  flex:1 1 220px;min-width:0;padding:13px 18px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.26);background:rgba(255,255,255,.1);
  color:#fff;font-size:14.5px;outline:none;transition:.18s;
}
.sub-form input::placeholder{color:rgba(255,255,255,.55);}
.sub-form input[type="email"]:focus,.sub-form select:focus{border-color:#ffb199;background:rgba(255,255,255,.16);}
.sub-form select option{color:#16192b;}
.sub-note{font-size:12.5px;color:rgba(255,255,255,.55);margin-top:16px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#14162a;color:rgba(255,255,255,.68);padding:60px 0 26px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-about{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:320px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.62);transition:.18s;}
.footer-col a:hover{color:#ffb199;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.45);}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#ffb199;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid,.pick-grid,.quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .partner-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:68px;left:0;right:0;margin:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 18px;box-shadow:var(--sh-m);display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;border-radius:10px;}
  .nav-toggle{display:grid;}
  .header-actions .btn-ghost{display:none;}
}
@media (max-width:768px){
  .hero{padding-top:54px;}
  .hero-points{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news{flex-direction:column;gap:14px;}
  .news-date{display:flex;align-items:baseline;gap:6px;width:auto;border-right:none;border-left:3px solid var(--brand);padding:0 0 0 12px;text-align:left;}
  .news-date b{font-size:17px;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .subscribe{padding:38px 26px;}
  .quiz-board{padding:26px 20px;}
  .section{padding:54px 0;}
  .section-head{margin-bottom:30px;}
}
@media (max-width:520px){
  .metric-grid,.cat-grid,.pick-grid,.quote-grid,.assure-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr;}
  .hero-title{font-size:26px;}
  .rank-item{gap:12px;padding:15px 16px;}
  .rank-dots{display:none;}
  .rank-delta{min-width:auto;}
  .sub-form input[type="email"],.sub-form select{flex:1 1 100%;}
  .card{padding:22px;}
  .hero-cta .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --surface-2:#f5f4f0;
  --ink:#16192b;
  --ink-2:#3d4258;
  --muted:#7b8299;
  --line:#e9e7f1;
  --brand:#4f46e5;
  --brand-dark:#3a31c4;
  --brand-soft:#eef0ff;
  --accent:#ff6f4a;
  --accent-soft:#fff1ec;
  --green:#2f9e6f;
  --green-soft:#e8f6ef;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --sh-s:0 1px 2px rgba(22,25,43,.06);
  --sh-m:0 12px 34px -16px rgba(22,25,43,.22);
  --sh-l:0 28px 64px -28px rgba(22,25,43,.32);
}
/* roulang page: category3 */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body a{color:var(--brand-dark);text-decoration:none;}
body img{max-width:100%;display:block;}
body button,body input,body select,body textarea{font:inherit;color:inherit;}
body ul,body ol{margin:0;padding:0;}
body h1,body h2,body h3,body h4{line-height:1.4;color:var(--ink);}
body p{margin:0;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
.section{padding:74px 0;}
.section-alt{background:var(--surface-2);}
.section-tight{padding:52px 0;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 14px;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.14);color:#dcdcff;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(79,70,229,.35);outline-offset:2px;}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(79,70,229,.9);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(79,70,229,.95);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(255,111,74,.9);}
.btn-accent:hover{background:#e85b36;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-ghost{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost:hover{background:#e0e3ff;}
.hero .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06);}
.hero .btn-outline:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff;}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4f46e5,#ff6f4a);color:#fff;font-size:14px;
  box-shadow:0 8px 18px -8px rgba(79,70,229,.9);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{padding:8px 14px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:.18s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);cursor:pointer;place-items:center;font-size:15px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark);}
/* ---------- 内页首屏 ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:#12142a;
  padding:56px 0 62px;
}
.hero::before{
  content:"";position:absolute;left:-14%;top:-46%;width:780px;height:780px;
  background:radial-gradient(closest-side,rgba(79,70,229,.5),transparent 70%);
}
.hero::after{
  content:"";position:absolute;right:-16%;top:-30%;width:620px;height:620px;
  background:radial-gradient(closest-side,rgba(255,111,74,.32),transparent 70%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.2fr .8fr;gap:46px;align-items:center;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;}
.crumbs i{font-size:10px;opacity:.7;}
.hero-title{
  font-size:clamp(26px,3.6vw,40px);line-height:1.32;color:#fff;
  letter-spacing:-.02em;margin:0 0 18px;
}
.hero-title em{font-style:normal;color:#ffb199;}
.hero-lead{font-size:16px;color:rgba(255,255,255,.82);max-width:660px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 26px;
  font-size:13.5px;color:rgba(255,255,255,.7);
  padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{color:#8ee0bd;font-size:12px;}
.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-l);padding:26px;
  backdrop-filter:blur(8px);
}
.hero-panel h3{color:#fff;font-size:16px;margin:0 0 6px;}
.hero-panel .panel-note{font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.panel-rows{display:grid;gap:14px;}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:rgba(255,255,255,.76);}
.panel-row strong{color:#fff;font-size:19px;font-weight:700;letter-spacing:-.01em;}
.panel-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;margin-top:8px;}
.panel-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#8b85ff,#ff8f70);}
.panel-swatch{display:flex;gap:8px;margin-top:20px;}
.panel-swatch span{width:34px;height:34px;border-radius:10px;border:1px solid rgba(255,255,255,.22);}
/* ---------- 速览条 ---------- */
.toc-strip{background:var(--surface);border-bottom:1px solid var(--line);}
.toc-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;padding:18px 0;}
.toc-label{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-right:6px;}
.toc-link{
  font-size:14px;color:var(--ink-2);padding:7px 15px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  transition:.18s;
}
.toc-link:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);transform:translateY(-1px);}
/* ---------- 指标看板 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px;box-shadow:var(--sh-s);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.metric-card::after{
  content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;
  background:var(--brand-soft);
}
.metric-card .m-label{position:relative;z-index:2;font-size:13.5px;color:var(--muted);margin-bottom:10px;display:flex;align-items:center;gap:8px;}
.metric-card .m-value{position:relative;z-index:2;font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--ink);line-height:1.2;}
.metric-card .m-value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px;}
.metric-card .m-desc{position:relative;z-index:2;font-size:13.5px;color:var(--ink-2);margin-top:10px;}
/* ---------- 卡片与标签 ---------- */
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-warm{background:var(--accent-soft);color:#c9451f;}
.tag-green{background:var(--green-soft);color:#1f7a54;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
/* ---------- 专题矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.matrix-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px;box-shadow:var(--sh-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.matrix-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.matrix-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:16px;
}
.matrix-card h3{font-size:17.5px;margin:0;}
.matrix-card p{color:var(--ink-2);font-size:14.5px;}
.matrix-points{display:grid;gap:8px;margin-top:2px;}
.matrix-points li{list-style:none;display:flex;gap:9px;font-size:14px;color:var(--ink-2);}
.matrix-points i{color:var(--brand);font-size:12px;margin-top:7px;}
/* ---------- 对比 ---------- */
.compare-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-m);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare-table{width:100%;border-collapse:collapse;min-width:700px;}
table.compare-table th,table.compare-table td{
  padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);
}
table.compare-table thead th{
  background:var(--surface-2);color:var(--ink);font-size:13.5px;letter-spacing:.04em;
  font-weight:700;
}
table.compare-table tbody td{color:var(--ink-2);}
table.compare-table tbody tr:last-child td{border-bottom:none;}
table.compare-table tbody tr:hover td{background:#fafaff;}
.cell-before{color:#a2603f;font-weight:600;}
.cell-after{color:#1f7a54;font-weight:600;}
.compare-foot{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding:20px 24px;background:var(--surface-2);border-top:1px solid var(--line);
  font-size:14px;color:var(--ink-2);
}
/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--brand),#ffb199);
  border-radius:2px;
}
.timeline-item{position:relative;padding-bottom:28px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-33px;top:9px;width:12px;height:12px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(79,70,229,.12);
}
.timeline-item h3{font-size:16.5px;margin:0 0 6px;display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.timeline-item p{font-size:14.5px;color:var(--ink-2);}
.timeline-meta{font-size:12.5px;color:var(--muted);letter-spacing:.04em;}
/* ---------- 资讯列表 ---------- */
.news-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh-s);overflow:hidden;
}
.news-item{
  display:flex;gap:20px;align-items:flex-start;padding:22px 26px;
  border-bottom:1px solid var(--line);transition:background .18s ease;
}
.news-item:last-child{border-bottom:none;}
.news-item:hover{background:#fafaff;}
.news-date{
  flex:0 0 76px;font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.03em;
  padding-top:3px;
}
.news-body h3{font-size:16px;margin:0 0 6px;}
.news-body p{font-size:14px;color:var(--ink-2);}
.news-body .news-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
/* ---------- 保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.assure-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.assure-card:hover{transform:translateY(-3px);box-shadow:var(--sh-m);}
.assure-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:var(--green-soft);color:#1f7a54;font-size:16px;
}
.assure-card h3{font-size:16.5px;margin:0 0 8px;}
.assure-card p{font-size:14.5px;color:var(--ink-2);}
/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  margin-bottom:12px;padding:0 22px;box-shadow:var(--sh-s);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:#ded9f5;box-shadow:var(--sh-m);}
.faq-item[open]{border-color:#cfc9f3;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);flex:0 0 auto;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item .faq-answer{
  padding:0 0 20px;font-size:14.8px;color:var(--ink-2);max-width:76ch;
}
/* ---------- 订阅转化 ---------- */
.cta-panel{
  position:relative;overflow:hidden;background:#16192b;color:#fff;
  border-radius:var(--r-l);padding:48px 46px;
  box-shadow:var(--sh-l);
}
.cta-panel::before{
  content:"";position:absolute;right:-90px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(79,70,229,.55),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;}
.cta-panel h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin:0 0 14px;}
.cta-panel p{color:rgba(255,255,255,.76);font-size:15px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:20px;font-size:13.5px;color:rgba(255,255,255,.72);}
.cta-points span{display:inline-flex;align-items:center;gap:8px;}
.cta-points i{color:#8ee0bd;font-size:12px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;min-width:0;padding:13px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;font-size:14.5px;outline:none;transition:.18s;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{border-color:#9c96ff;background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(79,70,229,.28);}
.form-note{font-size:12.8px;color:rgba(255,255,255,.5);margin-top:12px;}
/* ---------- 页脚 ---------- */
.site-footer{background:#12142a;color:rgba(255,255,255,.72);padding:58px 0 26px;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16.5px;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:38ch;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;transition:.18s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  font-size:13px;color:rgba(255,255,255,.5);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .section{padding:54px 0;}
  .header-inner{height:62px;gap:14px;}
  .nav-toggle{display:grid;}
  .main-nav{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
    padding:12px;box-shadow:var(--sh-m);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:10px 14px;}
  .header-actions .btn-ghost{display:none;}
  .hero{padding:40px 0 48px;}
  .news-item{flex-direction:column;gap:8px;padding:20px;}
  .news-date{flex:none;padding-top:0;}
  .assure-grid{grid-template-columns:1fr;}
  .cta-panel{padding:34px 24px;}
  .compare-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .logo span:last-child{font-size:16px;}
  .metric-grid{grid-template-columns:1fr;}
  .matrix-grid{grid-template-columns:1fr;}
  .hero-title{font-size:24px;}
  .hero-cta .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
  .section-head h2{font-size:21px;}
  .sub-form .btn{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#fbfaf8;
  --surface:#ffffff;
  --surface-2:#f5f4f0;
  --ink:#16192b;
  --ink-2:#3d4258;
  --muted:#7b8299;
  --line:#e9e7f1;
  --brand:#4f46e5;
  --brand-dark:#3a31c4;
  --brand-soft:#eef0ff;
  --accent:#ff6f4a;
  --accent-soft:#fff1ec;
  --green:#2f9e6f;
  --green-soft:#e8f6ef;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --sh-s:0 1px 2px rgba(22,25,43,.06);
  --sh-m:0 12px 34px -16px rgba(22,25,43,.22);
  --sh-l:0 28px 64px -28px rgba(22,25,43,.32);
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box;}
a{color:var(--brand-dark);text-decoration:none;}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(79,70,229,.9);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(79,70,229,.95);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(255,111,74,.9);}
.btn-accent:hover{background:#e85b36;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-ghost{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost:hover{background:#e0e3ff;}
.btn:active{transform:translateY(0) scale(.985);}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.eyebrow.on-dark{background:rgba(255,255,255,.14);color:#dcdcff;}
.section{padding:76px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,31px);margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:26px;box-shadow:var(--sh-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:14.5px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag-warm{background:var(--accent-soft);color:#c9451f;}
.tag-green{background:var(--green-soft);color:#1f7a54;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#4f46e5,#ff6f4a);color:#fff;font-size:14px;
  box-shadow:0 8px 18px -8px rgba(79,70,229,.9);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{padding:8px 14px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:.18s;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);cursor:pointer;place-items:center;font-size:15px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark);}
/* ---------- 首屏（区域地图式） ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;background:#12142a;
  padding:44px 0 66px;
}
.hero::before{
  content:"";position:absolute;left:-12%;top:-42%;width:820px;height:820px;
  background:radial-gradient(closest-side,rgba(79,70,229,.5),transparent 70%);
}
.hero::after{
  content:"";position:absolute;right:-16%;top:-30%;width:680px;height:680px;
  background:radial-gradient(closest-side,rgba(255,111,74,.34),transparent 70%);
}
.hero .wrap{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:24px;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs i{font-size:10px;opacity:.7;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:start;}
.hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.3;color:#fff;
  letter-spacing:-.02em;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:#ffb199;}
.hero-lead{font-size:16px;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:26px;}
.zone-label{font-size:13px;font-weight:600;color:rgba(255,255,255,.6);letter-spacing:.1em;margin-bottom:12px;}
.zone-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.zone-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:14px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#eceaff;transition:.2s;
}
.zone-tag:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.42);transform:translateY(-2px);}
.zone-tag i{font-size:12px;color:#8ee0bd;}
.near-box{
  border-top:1px solid rgba(255,255,255,.14);padding-top:20px;
}
.near-box h2{font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px;}
.near-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;}
.near-list a{
  display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.84);
  padding:9px 13px;border-radius:12px;border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.04);transition:.2s;
}
.near-list a:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.34);}
.near-list i{color:#8ee0bd;font-size:12px;}
/* 首屏右侧区域面板 */
.map-panel{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-l);padding:24px;backdrop-filter:blur(6px);
}
.map-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.map-panel-head span:first-child{font-size:15px;font-weight:700;color:#fff;}
.map-panel-head span:last-child{font-size:12.5px;color:rgba(255,255,255,.6);}
.map-rows{display:flex;flex-direction:column;gap:16px;}
.map-row{display:grid;gap:8px;}
.map-row-top{display:flex;align-items:baseline;justify-content:space-between;font-size:14px;color:rgba(255,255,255,.88);}
.map-row-top b{font-weight:600;}
.map-row-top em{font-style:normal;color:#ffb199;font-size:13px;font-weight:700;}
.bar{height:7px;border-radius:999px;background:rgba(255,255,255,.14);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#6d67f0,#ff8a63);}
.map-foot{margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.18);font-size:13px;color:rgba(255,255,255,.66);}
/* ---------- 指标看板 ---------- */
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px 22px;box-shadow:var(--sh-s);transition:.2s;
}
.metric:hover{box-shadow:var(--sh-m);transform:translateY(-3px);}
.metric b{display:block;font-size:30px;line-height:1.2;color:var(--ink);letter-spacing:-.02em;}
.metric b i{font-style:normal;font-size:15px;color:var(--brand);margin-left:4px;font-weight:600;}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:8px;}
.rank-box{
  margin-top:26px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--sh-s);overflow:hidden;
}
.rank-head{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;border-bottom:1px solid var(--line);}
.rank-head h3{font-size:16px;}
.rank-head span{font-size:12.5px;color:var(--muted);}
.rank-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));}
.rank-item{display:flex;align-items:center;gap:14px;padding:16px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
.rank-item:nth-child(3n){border-right:none;}
.rank-item:nth-last-child(-n+3){border-bottom:none;}
.swatch{width:38px;height:38px;border-radius:11px;box-shadow:inset 0 0 0 1px rgba(22,25,43,.08);flex:none;}
.rank-item b{display:block;font-size:14.5px;font-weight:600;}
.rank-item em{font-style:normal;font-size:12.5px;color:var(--muted);}
/* ---------- 方案矩阵 ---------- */
.palette-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.palette{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-s);transition:.22s;
}
.palette:hover{transform:translateY(-5px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.palette-strip{display:flex;height:78px;}
.palette-strip span{flex:1;}
.palette-body{padding:20px 22px 22px;}
.palette-body h3{font-size:16.5px;margin-bottom:8px;}
.palette-body p{font-size:14px;color:var(--ink-2);margin-bottom:14px;}
.swatch-codes{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:14px;}
.code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;padding:3px 9px;border-radius:7px;background:var(--surface-2);
  color:var(--ink-2);border:1px solid var(--line);letter-spacing:.02em;
}
.palette-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.more-row{margin-top:34px;display:flex;justify-content:center;}
/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-col{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:26px;box-shadow:var(--sh-s);}
.compare-col h3{font-size:17px;display:flex;align-items:center;gap:10px;margin-bottom:6px;}
.compare-col h3 i{font-size:15px;}
.compare-col .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.compare-col.bad h3 i{color:#c9451f;}
.compare-col.good{border-color:#cfd0ff;background:linear-gradient(180deg,#fbfbff,#fff);}
.compare-col.good h3 i{color:var(--green);}
.compare-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14.5px;color:var(--ink-2);}
.compare-list li:last-child{border-bottom:none;}
.compare-list li i{margin-top:6px;font-size:12px;}
.compare-col.bad .compare-list i{color:#c9451f;}
.compare-col.good .compare-list i{color:var(--green);}
.compare-list b{color:var(--ink);}
/* ---------- 里程碑 ---------- */
.timeline{position:relative;display:grid;gap:18px;}
.tl-item{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px 24px 22px 30px;box-shadow:var(--sh-s);
}
.tl-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#4f46e5,#ff6f4a);
}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-top h3{font-size:16.5px;}
.tl-top span{font-size:12.5px;color:var(--muted);}
.tl-item p{font-size:14.5px;color:var(--ink-2);}
/* ---------- 资讯列表 ---------- */
.news-list{display:grid;gap:14px;}
.news-item{
  display:grid;grid-template-columns:112px minmax(0,1fr) auto;gap:22px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:20px 24px;box-shadow:var(--sh-s);transition:.2s;
}
.news-item:hover{border-color:#ded9f5;box-shadow:var(--sh-m);transform:translateX(4px);}
.news-date{font-size:13px;color:var(--muted);font-weight:600;}
.news-item h3{font-size:16px;margin-bottom:6px;}
.news-item p{font-size:14px;color:var(--ink-2);}
.news-item .go{font-size:13.5px;color:var(--brand-dark);font-weight:600;white-space:nowrap;}
.news-item .go i{font-size:11px;margin-left:5px;}
/* ---------- 平台保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.assure{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
  padding:24px 22px;box-shadow:var(--sh-s);transition:.2s;
}
.assure:hover{transform:translateY(-3px);box-shadow:var(--sh-m);}
.assure .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:16px;margin-bottom:14px;
}
.assure h3{font-size:16px;margin-bottom:9px;}
.assure p{font-size:14px;color:var(--ink-2);}
/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px;align-items:start;}
.quick-list{display:grid;gap:14px;}
.quick-item{display:flex;gap:14px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:20px 22px;box-shadow:var(--sh-s);}
.quick-item i{color:var(--brand);margin-top:5px;font-size:15px;flex:none;}
.quick-item b{display:block;font-size:15.5px;margin-bottom:4px;}
.quick-item p{font-size:14px;color:var(--ink-2);}
.quiz-card{
  background:#12142a;color:#fff;border-radius:var(--r-l);padding:26px;box-shadow:var(--sh-l);
}
.quiz-card h3{font-size:17px;color:#fff;margin-bottom:10px;}
.quiz-card p{font-size:14px;color:rgba(255,255,255,.76);margin-bottom:18px;}
.quiz-opts{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:20px;}
.quiz-opts span{
  font-size:13px;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#e8e7ff;
}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:12px;max-width:900px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--sh-s);overflow:hidden;transition:.2s;}
.faq-item[open]{border-color:#cfd0ff;box-shadow:var(--sh-m);}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-item summary .chev{font-size:13px;color:var(--muted);transition:transform .22s ease;}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--brand);}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--ink-2);}
/* ---------- 转化表单 ---------- */
.cta-band{
  background:linear-gradient(135deg,#161938 0%,#2a2373 55%,#3a31c4 100%);
  border-radius:var(--r-l);padding:44px;color:#fff;box-shadow:var(--sh-l);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,111,74,.5),transparent 70%);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);color:#fff;margin-bottom:14px;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.8);margin-bottom:20px;}
.cta-points{display:grid;gap:9px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-points i{color:#8ee0bd;margin-top:6px;font-size:12px;}
.sub-form{position:relative;z-index:2;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--r-m);padding:24px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.78);margin-bottom:7px;}
.field input,.field select{
  width:100%;padding:11px 14px;border-radius:var(--r-s);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.94);color:var(--ink);
  font-size:14.5px;transition:.2s;
}
.field input:focus,.field select:focus{outline:none;border-color:#ffb199;box-shadow:0 0 0 3px rgba(255,111,74,.28);}
.sub-form .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.62);margin-top:12px;text-align:center;}
.form-ok{
  display:none;margin-top:14px;font-size:14px;color:#bff3d9;
  background:rgba(47,158,111,.22);border:1px solid rgba(47,158,111,.5);
  padding:10px 14px;border-radius:var(--r-s);text-align:center;
}
.form-ok.show{display:block;}
/* ---------- 页脚 ---------- */
.site-footer{background:#0f1124;color:rgba(255,255,255,.72);padding:58px 0 26px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.75fr));gap:34px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-about{font-size:14px;color:rgba(255,255,255,.66);max-width:400px;}
.footer-col h4{font-size:14.5px;color:#fff;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:.18s;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);}
/* ---------- 响应式 ---------- */
@media (max-width:1040px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .palette-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rank-item:nth-child(3n){border-right:1px solid var(--line);}
  .rank-item:nth-child(2n){border-right:none;}
  .rank-item:nth-last-child(-n+3){border-bottom:1px solid var(--line);}
  .rank-item:nth-last-child(-n+2){border-bottom:none;}
  .cta-band{grid-template-columns:1fr;padding:34px;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .main-nav{
    display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;
    align-items:stretch;gap:4px;background:#fff;border-bottom:1px solid var(--line);
    padding:14px 22px 18px;box-shadow:var(--sh-m);
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:11px 14px;font-size:15px;}
  .nav-toggle{display:grid;}
  .header-actions .btn-ghost{display:none;}
  .quick-grid{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .news-item{grid-template-columns:minmax(0,1fr);gap:10px;}
  .news-item .go{justify-self:start;}
}
@media (max-width:640px){
  .section{padding:56px 0;}
  .wrap{padding:0 18px;}
  .metrics-grid{grid-template-columns:1fr;}
  .palette-grid{grid-template-columns:1fr;}
  .assure-grid{grid-template-columns:1fr;}
  .rank-list{grid-template-columns:1fr;}
  .rank-item{border-right:none !important;border-bottom:1px solid var(--line) !important;}
  .rank-item:last-child{border-bottom:none !important;}
  .near-list{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:26px 20px;}
  .sub-form{padding:18px;}
  .hero{padding:34px 0 52px;}
  .faq-item summary{padding:17px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
}

/* roulang page: category2 */
:root{
 --bg:#fbfaf8;
 --surface:#ffffff;
 --surface-2:#f5f4f0;
 --ink:#16192b;
 --ink-2:#3d4258;
 --muted:#7b8299;
 --line:#e9e7f1;
 --brand:#4f46e5;
 --brand-dark:#3a31c4;
 --brand-soft:#eef0ff;
 --accent:#ff6f4a;
 --accent-soft:#fff1ec;
 --green:#2f9e6f;
 --green-soft:#e8f6ef;
 --r-s:10px;
 --r-m:16px;
 --r-l:24px;
 --sh-s:0 1px 2px rgba(22,25,43,.06);
 --sh-m:0 12px 34px -16px rgba(22,25,43,.22);
 --sh-l:0 28px 64px -28px rgba(22,25,43,.32);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--ink);
 font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.8;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
body a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease;}
body a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.36;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
/* ---------- 通用组件 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:999px;border:1px solid transparent;
 font-size:15px;font-weight:600;line-height:1.4;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
 white-space:nowrap;
}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 12px 26px -14px rgba(79,70,229,.9);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px -14px rgba(79,70,229,.95);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 12px 26px -14px rgba(255,111,74,.9);}
.btn-accent:hover{background:#e85b36;color:#fff;transform:translateY(-2px);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.btn-ghost{background:var(--brand-soft);color:var(--brand-dark);}
.btn-ghost:hover{background:#e0e3ff;color:var(--brand-dark);}
.hero .btn-outline{border-color:rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06);}
.hero .btn-outline:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.6);color:#fff;}
.eyebrow{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13px;font-weight:600;letter-spacing:.08em;
 color:var(--brand-dark);background:var(--brand-soft);
 padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section{padding:76px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:780px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,31px);margin-bottom:14px;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 padding:26px;box-shadow:var(--sh-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:14.5px;}
.tag{
 display:inline-block;font-size:12.5px;font-weight:600;
 padding:4px 11px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-dark);
}
.tag-warm{background:var(--accent-soft);color:#c9451f;}
.tag-green{background:var(--green-soft);color:#1f7a54;}
.tag-line{background:transparent;border:1px solid var(--line);color:var(--muted);}
body a:focus-visible,.btn:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{
 outline:3px solid rgba(79,70,229,.45);outline-offset:2px;border-radius:8px;
}
/* ---------- 头部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.9);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;position:relative;}
.logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(135deg,#4f46e5,#ff6f4a);color:#fff;font-size:14px;
 box-shadow:0 8px 18px -8px rgba(79,70,229,.9);
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.nav-link{padding:8px 14px;border-radius:10px;font-size:14.5px;color:var(--ink-2);transition:background .18s ease,color .18s ease;}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
 background:var(--surface);color:var(--ink-2);cursor:pointer;place-items:center;font-size:15px;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-dark);}
/* ---------- 首屏 ---------- */
.hero{
 position:relative;overflow:hidden;color:#fff;
 background:#12142a;
 padding:60px 0 0;
}
.hero::before{
 content:"";position:absolute;left:-12%;top:-40%;width:820px;height:820px;
 background:radial-gradient(closest-side,rgba(79,70,229,.55),transparent 70%);
}
.hero::after{
 content:"";position:absolute;right:-14%;top:-28%;width:660px;height:660px;
 background:radial-gradient(closest-side,rgba(255,111,74,.36),transparent 70%);
}
.hero-inner{position:relative;z-index:2;max-width:880px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb i{font-size:10px;opacity:.7;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;font-weight:600;color:#ffd9cd;
 background:rgba(255,111,74,.18);border:1px solid rgba(255,111,74,.36);
 padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-title{
 font-size:clamp(26px,4vw,44px);line-height:1.3;color:#fff;
 letter-spacing:-.02em;margin-bottom:20px;
}
.hero-title em{font-style:normal;color:#ffb199;}
.hero-lead{font-size:16.5px;color:rgba(255,255,255,.82);max-width:760px;margin-bottom:26px;}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 26px;margin-bottom:30px;}
.hero-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.86);}
.hero-points i{color:#8ee0bd;margin-top:6px;font-size:13px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-trust{
 display:flex;flex-wrap:wrap;gap:10px 26px;
 font-size:13.5px;color:rgba(255,255,255,.7);
 padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;}
.hero-trust i{color:#8ee0bd;font-size:12px;}
.hero-anchors{
 position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:10px;
 padding:22px 0 30px;margin-top:34px;border-top:1px solid rgba(255,255,255,.13);
}
.anchor-pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:8px 16px;border-radius:999px;font-size:13.5px;
 color:rgba(255,255,255,.86);background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.14);
 transition:background .18s ease,transform .18s ease,color .18s ease;
}
.anchor-pill:hover{background:rgba(255,255,255,.17);color:#fff;transform:translateY(-2px);}
.anchor-pill i{font-size:11px;opacity:.8;}
/* ---------- 指标看板 ---------- */
.metrics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;}
.metric{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 padding:22px 20px;box-shadow:var(--sh-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-4px);box-shadow:var(--sh-m);border-color:#ded9f5;}
.metric .num{font-size:29px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.2;}
.metric .num small{font-size:14px;font-weight:700;color:var(--brand);margin-left:3px;}
.metric .lbl{font-size:13.5px;color:var(--muted);margin-top:6px;}
.metric .bar{height:5px;border-radius:999px;background:var(--surface-2);margin-top:14px;overflow:hidden;}
.metric .bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));}
.metrics-note{margin-top:18px;font-size:13.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 20px;}
.metrics-note span{display:inline-flex;align-items:center;gap:7px;}
.metrics-note i{color:var(--green);font-size:12px;}
/* ---------- 搭配方法矩阵 ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.matrix-card{position:relative;display:flex;flex-direction:column;gap:12px;}
.matrix-card .idx{
 font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--muted);
}
.matrix-card .swatches{display:flex;gap:6px;margin-bottom:2px;}
.matrix-card .swatches i{width:26px;height:26px;border-radius:8px;display:block;box-shadow:inset 0 0 0 1px rgba(22,25,43,.08);}
.matrix-card ul{display:grid;gap:7px;margin-top:4px;}
.matrix-card ul li{position:relative;padding-left:16px;font-size:14px;color:var(--ink-2);}
.matrix-card ul li::before{
 content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
 background:var(--brand);opacity:.55;
}
.matrix-card .meta{margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);}
/* ---------- 对比表 ---------- */
.compare{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 box-shadow:var(--sh-s);overflow:hidden;
}
.compare-scroll{overflow-x:auto;}
table.compare-table{width:100%;border-collapse:collapse;min-width:720px;}
table.compare-table th,table.compare-table td{
 padding:16px 20px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);
 vertical-align:top;
}
table.compare-table thead th{
 background:var(--surface-2);font-size:13.5px;color:var(--ink);
 font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
table.compare-table tbody th{
 font-weight:600;color:var(--ink);width:200px;background:var(--surface);
}
table.compare-table tbody tr:last-child th,table.compare-table tbody tr:last-child td{border-bottom:none;}
table.compare-table tbody tr:hover td,table.compare-table tbody tr:hover th{background:#fafaff;}
td.col-loose{color:var(--muted);}
td.col-tight{color:var(--ink-2);}
td.col-tight i{color:var(--green);margin-right:7px;font-size:12.5px;}
.compare-foot{display:flex;flex-wrap:wrap;gap:12px 24px;padding:18px 20px;background:var(--surface-2);font-size:13.5px;color:var(--ink-2);}
.compare-foot strong{color:var(--ink);}
/* ---------- 里程碑 ---------- */
.timeline{position:relative;padding-left:28px;border-left:2px dashed #dcd8ec;}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-37px;top:7px;width:13px;height:13px;border-radius:50%;
 background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft);
}
.tl-item .tl-date{font-size:13px;font-weight:700;color:var(--brand-dark);letter-spacing:.02em;}
.tl-item h3{font-size:16.5px;margin:6px 0 6px;}
.tl-item p{font-size:14.5px;color:var(--ink-2);}
.timeline-aside{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 padding:26px;box-shadow:var(--sh-s);
}
.timeline-aside h3{font-size:17px;margin-bottom:12px;}
.timeline-aside ul{display:grid;gap:10px;}
.timeline-aside li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.timeline-aside i{color:var(--brand);margin-top:6px;font-size:12px;}
/* ---------- 资讯列表 ---------- */
.post-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.post-card{display:flex;gap:18px;align-items:flex-start;}
.post-thumb{
 flex:0 0 92px;width:92px;height:92px;border-radius:14px;
 box-shadow:inset 0 0 0 1px rgba(22,25,43,.08);
}
.post-body h3{font-size:16.5px;margin-bottom:8px;}
.post-body p{font-size:14px;color:var(--ink-2);margin-bottom:10px;}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);}
/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.channel-card{display:flex;flex-direction:column;gap:12px;text-decoration:none;color:inherit;}
.channel-card:hover{color:inherit;}
.channel-card .ch-icon{
 width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:17px;
}
.channel-card.is-current .ch-icon{background:linear-gradient(135deg,#4f46e5,#ff6f4a);color:#fff;}
.channel-card .ch-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand-dark);display:inline-flex;align-items:center;gap:7px;}
.channel-card:hover .ch-link i{transform:translateX(3px);}
.channel-card .ch-link i{transition:transform .18s ease;}
/* ---------- 保障 ---------- */
.assurance-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.assure-item{display:flex;flex-direction:column;gap:10px;}
.assure-item .a-ic{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:var(--green-soft);color:#1f7a54;font-size:15px;
}
.assure-item h3{font-size:16px;}
.assure-item p{font-size:14px;color:var(--ink-2);}
.assurance-strip{
 margin-top:26px;display:flex;flex-wrap:wrap;gap:14px 30px;align-items:center;
 padding:20px 24px;border-radius:var(--r-m);
 background:#12142a;color:rgba(255,255,255,.84);font-size:14px;
}
.assurance-strip strong{color:#fff;}
.assurance-strip i{color:#8ee0bd;margin-right:8px;}
/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;align-items:start;}
.quick-list{display:grid;gap:14px;}
.quick-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 padding:20px 22px;box-shadow:var(--sh-s);
}
.quick-item h3{font-size:15.5px;margin-bottom:8px;}
.quick-item p{font-size:14px;color:var(--ink-2);}
.faq-list{display:grid;gap:12px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);
 overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#ded9f5;box-shadow:var(--sh-m);}
.faq-q{
 display:flex;justify-content:space-between;align-items:center;gap:18px;
 padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
 cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none;}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .22s ease;flex:0 0 auto;}
.faq-item[open] .faq-q i{transform:rotate(45deg);}
.faq-a{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);}
/* ---------- 转化表单 ---------- */
.cta-panel{
 position:relative;overflow:hidden;
 background:#12142a;color:#fff;border-radius:var(--r-l);
 padding:46px;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;
}
.cta-panel::after{
 content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
 background:radial-gradient(closest-side,rgba(79,70,229,.5),transparent 70%);
}
.cta-panel > *{position:relative;z-index:2;}
.cta-panel h2{font-size:clamp(21px,2.4vw,28px);color:#fff;margin-bottom:14px;}
.cta-panel p{font-size:15px;color:rgba(255,255,255,.8);}
.cta-tips{display:grid;gap:10px;margin-top:22px;}
.cta-tips li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-tips i{color:#8ee0bd;margin-top:6px;font-size:12px;}
.cta-form{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-m);padding:24px;}
.field{display:block;margin-bottom:14px;}
.field > span{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.74);margin-bottom:6px;letter-spacing:.02em;}
.field input,.field select{
 width:100%;padding:12px 14px;border-radius:12px;
 border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
 color:#fff;font-size:14.5px;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.45);}
.field input:focus,.field select:focus{
 outline:none;border-color:#8f88ff;background:rgba(255,255,255,.14);
 box-shadow:0 0 0 3px rgba(79,70,229,.35);
}
.field select option{color:#16192b;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.58);margin-top:12px;}
.form-msg{margin-top:12px;font-size:13.5px;color:#8ee0bd;min-height:20px;}
/* ---------- 页脚 ---------- */
.site-footer{background:#101223;color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-about{font-size:14px;color:rgba(255,255,255,.68);max-width:360px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
 padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .metrics{grid-template-columns:repeat(3,minmax(0,1fr));}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .assurance-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .cta-panel{grid-template-columns:1fr;padding:36px;}
 .faq-wrap{grid-template-columns:1fr;gap:28px;}
 .footer-top{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .main-nav{
  display:none;position:absolute;top:68px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;margin:0;
  padding:14px 22px 20px;background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-m);
 }
 .main-nav.is-open{display:flex;}
 .nav-toggle{display:grid;}
 .header-actions{margin-left:auto;}
 .header-actions .btn-ghost{display:none;}
 .section{padding:56px 0;}
 .hero{padding:44px 0 0;}
 .hero-points{grid-template-columns:1fr;}
 .hero-cta .btn{width:100%;}
 .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
 .matrix-grid{grid-template-columns:1fr;}
 .post-list{grid-template-columns:1fr;}
 .channel-grid{grid-template-columns:1fr;}
 .assurance-grid{grid-template-columns:1fr;}
 .cta-panel{padding:28px 22px;}
 .footer-top{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:520px){
 .metrics{grid-template-columns:1fr;}
 .card{padding:22px;}
 .hero-title{font-size:25px;}
 .hero-lead{font-size:15.5px;}
 .footer-bottom{flex-direction:column;gap:8px;}
}