/* roulang page: index */
:root{
  --cb-brand:#12b981;
  --cb-brand-deep:#0a7d5d;
  --cb-brand-darkest:#063a2c;
  --cb-accent:#f5b942;
  --cb-accent-soft:#ffd98a;
  --cb-ink:#0d1f1a;
  --cb-body:#33463f;
  --cb-muted:#6a8178;
  --cb-bg:#f4f8f6;
  --cb-bg-soft:#eef5f1;
  --cb-surface:#ffffff;
  --cb-line:#dce8e3;
  --cb-radius-xl:24px;
  --cb-radius-lg:18px;
  --cb-radius:14px;
  --cb-radius-sm:10px;
  --cb-shadow-sm:0 2px 10px rgba(9,54,41,.06);
  --cb-shadow:0 16px 38px rgba(9,54,41,.10);
  --cb-shadow-lg:0 28px 64px rgba(9,54,41,.18);
  --cb-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--cb-font);
  color:var(--cb-body);
  background:var(--cb-bg);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cb-brand-deep);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease;}
a:hover{color:var(--cb-brand);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--cb-ink);font-weight:800;line-height:1.3;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,185,129,.45);outline-offset:2px;border-radius:6px;}
[section],section{scroll-margin-top:96px;}

/* ============ 导航 ============ */
.cb-header{position:sticky;top:0;z-index:1030;}
.cb-nav{
  background:linear-gradient(100deg,#063a2c 0%,#0a7d5d 46%,#14b585 100%);
  padding:.72rem 0;
  box-shadow:0 12px 32px rgba(6,58,44,.28);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.cb-brand{display:flex;align-items:center;gap:.65rem;padding:0;}
.cb-brand-mark{
  width:40px;height:40px;border-radius:13px;
  background:linear-gradient(140deg,#ffffff,#c9f6e4);
  color:#0a7d5d;font-weight:800;font-size:1.05rem;
  display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(0,0,0,.22);
  flex:0 0 auto;
}
.cb-brand-text{color:#ffffff;font-weight:800;font-size:1.12rem;letter-spacing:.5px;}
.cb-brand-text:hover{color:#ffffff;}
.cb-nav .nav-link{
  color:rgba(255,255,255,.86);
  font-weight:600;
  padding:.48rem 1.05rem;
  border-radius:11px;
  margin:0 .12rem;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease;
}
.cb-nav .nav-link:hover{color:#ffffff;background:rgba(255,255,255,.16);}
.cb-nav .nav-link.active{
  color:#0a7d5d;
  background:#ffffff;
  box-shadow:0 8px 18px rgba(0,0,0,.16);
}
.cb-nav-cta{
  display:inline-flex;align-items:center;gap:.42rem;
  background:linear-gradient(135deg,#ffd166,#f5b942);
  color:#3a2a05;font-weight:800;
  border:0;border-radius:999px;
  padding:.5rem 1.2rem;margin-left:.5rem;
  box-shadow:0 10px 24px rgba(245,185,66,.34);
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.cb-nav-cta:hover{color:#2c1f03;background:linear-gradient(135deg,#ffdb85,#ffc457);transform:translateY(-2px);box-shadow:0 16px 30px rgba(245,185,66,.44);}
.cb-nav-cta:active{transform:translateY(0);}
.cb-toggler{
  border:1px solid rgba(255,255,255,.5);
  padding:.32rem .6rem;border-radius:10px;
  background:rgba(255,255,255,.10);
}
.cb-toggler:focus{box-shadow:0 0 0 3px rgba(255,255,255,.35);}
.cb-toggler .fa-bars{color:#fff;font-size:1.05rem;}

/* ============ 通用板块 ============ */
.cb-section{padding:74px 0;}
.cb-section.alt{background:var(--cb-bg-soft);}
.cb-section.tight{padding-top:52px;}
.cb-sec-head{max-width:780px;margin-bottom:40px;}
.cb-sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.cb-eyebrow{
  display:inline-flex;align-items:center;gap:.4rem;
  background:rgba(18,185,129,.12);
  color:#0a7d5d;font-weight:700;font-size:.82rem;
  padding:.3rem .82rem;border-radius:999px;
  letter-spacing:.6px;margin-bottom:14px;
}
.cb-h2{font-size:clamp(1.5rem,2.6vw,2.06rem);margin-bottom:14px;}
.cb-sec-desc{color:var(--cb-muted);font-size:1rem;max-width:720px;}
.cb-sec-head.center .cb-sec-desc{margin-left:auto;margin-right:auto;}

/* ============ 按钮 ============ */
.cb-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  font-weight:700;border-radius:999px;
  padding:.8rem 1.7rem;border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
  cursor:pointer;
}
.cb-btn-accent{
  background:linear-gradient(135deg,#ffd166,#f5b942);
  color:#3a2a05;
  box-shadow:0 16px 32px rgba(245,185,66,.28);
}
.cb-btn-accent:hover{color:#2c1f03;transform:translateY(-2px);box-shadow:0 22px 42px rgba(245,185,66,.4);}
.cb-btn-ghost{
  border-color:rgba(255,255,255,.45);
  color:#f2fbf7;background:rgba(255,255,255,.07);
}
.cb-btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.78);}
.cb-btn-solid{background:var(--cb-brand-deep);color:#fff;box-shadow:0 14px 30px rgba(10,125,93,.28);}
.cb-btn-solid:hover{background:#0c8f69;color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(10,125,93,.36);}
.cb-btn:active{transform:translateY(0);}

/* ============ Hero ============ */
.cb-hero{
  position:relative;overflow:hidden;
  padding:80px 0 88px;
  color:#eaf7f2;
  background:
    radial-gradient(920px 440px at 84% 4%, rgba(55,207,155,.32), transparent 62%),
    radial-gradient(760px 460px at 4% 92%, rgba(245,185,66,.16), transparent 62%),
    linear-gradient(160deg,#04241c 0%,#064534 46%,#0a6d51 100%);
}
.cb-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 72%);
}
.cb-hero .container{position:relative;z-index:2;}
.cb-hero-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:20px;}
.cb-tag{
  display:inline-flex;align-items:center;gap:.36rem;
  font-size:.8rem;font-weight:600;
  padding:.3rem .78rem;border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:#d8f6ea;
}
.cb-hero-brand{
  font-size:.92rem;font-weight:700;letter-spacing:2px;
  color:var(--cb-accent-soft);margin-bottom:10px;
}
.cb-hero h1{
  color:#ffffff;
  font-size:clamp(1.85rem,4.2vw,3rem);
  line-height:1.24;
  margin-bottom:16px;
}
.cb-hero h1 em{font-style:normal;color:var(--cb-accent-soft);}
.cb-hero-sub{
  font-size:1.16rem;font-weight:700;color:#ffe2a9;
  margin-bottom:16px;line-height:1.6;
}
.cb-hero-text{
  color:rgba(234,247,242,.84);
  max-width:580px;margin-bottom:26px;
}
.cb-hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:26px;}
.cb-hero-meta{display:flex;flex-wrap:wrap;gap:1.6rem;}
.cb-hero-meta div{display:flex;flex-direction:column;}
.cb-hero-meta strong{color:#fff;font-size:1.28rem;font-weight:800;}
.cb-hero-meta span{font-size:.82rem;color:rgba(234,247,242,.7);}

/* 热力地图面板 */
.cb-map-panel{
  background:rgba(5,38,29,.74);
  border:1px solid rgba(120,233,193,.26);
  border-radius:var(--cb-radius-xl);
  padding:22px 22px 18px;
  box-shadow:0 30px 70px rgba(0,0,0,.38);
  backdrop-filter:blur(10px);
}
.cb-map-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.cb-map-title{color:#eaf7f2;font-weight:800;font-size:.98rem;display:flex;align-items:center;gap:.5rem;}
.cb-map-title i{color:var(--cb-brand);}
.cb-map-live{
  font-size:.74rem;color:#0a3a2c;font-weight:700;
  background:#7ef0c2;border-radius:999px;padding:.16rem .62rem;
}
.cb-slot{display:grid;grid-template-columns:94px 1fr auto;align-items:center;gap:12px;padding:9px 0;}
.cb-slot-name{color:#eaf7f2;font-weight:700;font-size:.9rem;}
.cb-slot-time{display:block;font-size:.7rem;color:rgba(234,247,242,.55);font-weight:500;}
.cb-slot-bar{height:9px;border-radius:999px;background:rgba(255,255,255,.12);overflow:hidden;}
.cb-slot-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#12b981,#7ef0c2);}
.cb-slot-tag{font-size:.74rem;color:#c9f6e4;background:rgba(18,185,129,.18);border-radius:999px;padding:.16rem .6rem;white-space:nowrap;}
.cb-map-foot{
  margin-top:16px;padding-top:15px;
  border-top:1px dashed rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;
}
.cb-map-foot-label{font-size:.78rem;color:rgba(234,247,242,.6);margin-right:.2rem;}
.cb-chip{
  font-size:.78rem;font-weight:600;
  color:#d8f6ea;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;padding:.24rem .72rem;
}
.cb-chip:hover{background:rgba(126,240,194,.2);color:#fff;border-color:rgba(126,240,194,.5);}

/* ============ KPI 看板 ============ */
.cb-kpi-section{padding:58px 0 6px;}
.cb-kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.cb-kpi{
  position:relative;overflow:hidden;
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:24px 22px 22px 26px;
  box-shadow:var(--cb-shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cb-kpi::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,#12b981,#0a7d5d);
}
.cb-kpi:hover{transform:translateY(-5px);box-shadow:var(--cb-shadow);border-color:#b7e8d4;}
.cb-kpi-num{display:block;font-size:1.92rem;font-weight:800;color:#0a5b43;line-height:1.2;}
.cb-kpi-label{display:block;font-weight:700;color:var(--cb-ink);margin-top:6px;font-size:.96rem;}
.cb-kpi-note{display:block;color:var(--cb-muted);font-size:.84rem;margin-top:6px;}

/* ============ 服务矩阵 ============ */
.cb-svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cb-svc{
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:26px 24px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cb-svc:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(9,54,41,.12);border-color:#a8e3cd;}
.cb-svc-icon{
  width:46px;height:46px;border-radius:14px;
  background:linear-gradient(140deg,#dcf9ee,#a6ead2);
  color:#0a7d5d;display:grid;place-items:center;
  font-size:1.08rem;margin-bottom:16px;
}
.cb-svc h3{font-size:1.06rem;margin-bottom:9px;}
.cb-svc p{color:var(--cb-muted);font-size:.93rem;}

/* ============ 专题榜单 ============ */
.cb-rank-list{display:grid;gap:14px;}
.cb-rank{
  display:grid;grid-template-columns:58px 1fr auto;gap:18px;align-items:center;
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-left:4px solid var(--cb-brand);
  border-radius:var(--cb-radius);
  padding:20px 24px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.cb-rank:hover{transform:translateX(5px);box-shadow:0 18px 36px rgba(9,54,41,.10);border-color:#a8e3cd;}
.cb-rank-no{
  font-size:1.32rem;font-weight:800;color:#0a7d5d;
  font-variant-numeric:tabular-nums;
}
.cb-rank h3{font-size:1.02rem;margin-bottom:5px;}
.cb-rank p{color:var(--cb-muted);font-size:.9rem;}
.cb-rank-badge{
  font-size:.76rem;font-weight:700;color:#0a5b43;
  background:rgba(18,185,129,.13);border-radius:999px;
  padding:.26rem .74rem;white-space:nowrap;
}

/* ============ 频道矩阵 ============ */
.cb-channel-card{
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  background:linear-gradient(140deg,#063a2c,#0a7d5d 72%,#12a97b);
  border-radius:var(--cb-radius-xl);
  padding:40px;
  color:#eaf7f2;
  box-shadow:var(--cb-shadow-lg);
}
.cb-channel-card h2{color:#fff;font-size:clamp(1.4rem,2.3vw,1.9rem);margin-bottom:14px;}
.cb-channel-card p{color:rgba(234,247,242,.84);margin-bottom:22px;}
.cb-topic-cloud{display:flex;flex-wrap:wrap;gap:.55rem;}
.cb-topic-cloud span{
  font-size:.82rem;font-weight:600;
  background:rgba(255,255,255,.11);
  border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:.32rem .82rem;
  color:#dcf9ee;
}

/* ============ 结果对比 ============ */
.cb-compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.cb-compare-col{border-radius:var(--cb-radius-lg);padding:30px;border:1px solid var(--cb-line);background:var(--cb-surface);}
.cb-compare-col.before{background:#f7faf8;}
.cb-compare-col.after{background:linear-gradient(150deg,#eafbf3,#d5f4e7);border-color:#a8e3cd;box-shadow:0 20px 44px rgba(10,125,93,.12);}
.cb-compare-col h3{font-size:1.08rem;margin-bottom:6px;display:flex;align-items:center;gap:.5rem;}
.cb-compare-col .cb-compare-note{font-size:.86rem;color:var(--cb-muted);margin-bottom:18px;}
.cb-compare-col ul{display:grid;gap:12px;}
.cb-compare-col li{
  display:grid;grid-template-columns:22px 1fr;gap:10px;
  font-size:.93rem;color:var(--cb-body);align-items:start;
}
.cb-compare-col li i{margin-top:5px;font-size:.82rem;}
.cb-compare-col.before li i{color:#b9713f;}
.cb-compare-col.after li i{color:#0a7d5d;}

/* ============ 精选推荐 ============ */
.cb-pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cb-pick{
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:24px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cb-pick:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(9,54,41,.13);border-color:#a8e3cd;}
.cb-pick-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.cb-pick h3{font-size:1.02rem;}
.cb-pick p{color:var(--cb-muted);font-size:.9rem;flex:1;}
.cb-badge{
  font-size:.74rem;font-weight:700;border-radius:999px;
  padding:.2rem .68rem;white-space:nowrap;
}
.cb-badge.green{background:rgba(18,185,129,.14);color:#0a7d5d;}
.cb-badge.amber{background:rgba(245,185,66,.2);color:#8a5c07;}
.cb-badge.ink{background:rgba(13,31,26,.08);color:#33463f;}

/* ============ 里程碑 ============ */
.cb-timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.cb-step{
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:26px 22px;
  position:relative;
  transition:transform .28s ease,box-shadow .28s ease;
}
.cb-step:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(9,54,41,.12);}
.cb-step-no{
  display:inline-grid;place-items:center;
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,#12b981,#0a7d5d);
  color:#fff;font-weight:800;font-size:.92rem;
  margin-bottom:14px;
}
.cb-step h3{font-size:1rem;margin-bottom:9px;}
.cb-step p{font-size:.9rem;color:var(--cb-muted);}

/* ============ 多端同步 ============ */
.cb-device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cb-device{
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:26px 22px;
  text-align:left;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.cb-device:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(9,54,41,.12);border-color:#a8e3cd;}
.cb-device i{font-size:1.5rem;color:var(--cb-brand-deep);margin-bottom:14px;display:block;}
.cb-device h3{font-size:1rem;margin-bottom:8px;}
.cb-device p{font-size:.89rem;color:var(--cb-muted);}

/* ============ 口碑 ============ */
.cb-voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cb-voice{
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius-lg);
  padding:26px 24px;
  position:relative;
  transition:transform .28s ease,box-shadow .28s ease;
}
.cb-voice:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(9,54,41,.11);}
.cb-voice::before{
  content:"\201C";
  position:absolute;right:22px;top:8px;
  font-size:3.2rem;color:rgba(18,185,129,.18);
  font-family:Georgia,serif;line-height:1;
}
.cb-voice p{font-size:.94rem;color:var(--cb-body);margin-bottom:16px;}
.cb-voice-user{display:flex;align-items:center;gap:.7rem;}
.cb-voice-avatar{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,#dcf9ee,#a6ead2);
  color:#0a7d5d;font-weight:800;
  display:grid;place-items:center;font-size:.9rem;
}
.cb-voice-user strong{display:block;font-size:.9rem;color:var(--cb-ink);}
.cb-voice-user span{font-size:.78rem;color:var(--cb-muted);}

/* ============ 资讯 ============ */
.cb-news-list{display:grid;gap:14px;}
.cb-news{
  display:grid;grid-template-columns:112px 1fr auto;gap:20px;align-items:center;
  background:var(--cb-surface);
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius);
  padding:20px 24px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.cb-news:hover{transform:translateX(5px);box-shadow:0 18px 36px rgba(9,54,41,.10);border-color:#a8e3cd;}
.cb-news-date{
  font-size:.8rem;font-weight:700;color:#0a7d5d;
  background:rgba(18,185,129,.11);border-radius:999px;
  padding:.26rem .7rem;text-align:center;white-space:nowrap;
}
.cb-news h3{font-size:1rem;margin-bottom:5px;}
.cb-news p{font-size:.89rem;color:var(--cb-muted);}
.cb-news-more{font-size:.82rem;font-weight:700;color:var(--cb-brand-deep);white-space:nowrap;}

/* ============ 平台保障 ============ */
.cb-trust-section{
  background:linear-gradient(160deg,#04241c,#064534 60%,#0a6d51);
  color:#eaf7f2;
}
.cb-trust-section .cb-h2{color:#fff;}
.cb-trust-section .cb-sec-desc{color:rgba(234,247,242,.78);}
.cb-trust-section .cb-eyebrow{background:rgba(126,240,194,.16);color:#9ff0cd;}
.cb-trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cb-trust{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(126,240,194,.22);
  border-radius:var(--cb-radius-lg);
  padding:26px 24px;
  transition:transform .28s ease,background .28s ease,border-color .28s ease;
}
.cb-trust:hover{transform:translateY(-6px);background:rgba(126,240,194,.11);border-color:rgba(126,240,194,.5);}
.cb-trust i{font-size:1.32rem;color:#7ef0c2;margin-bottom:14px;display:block;}
.cb-trust h3{color:#fff;font-size:1rem;margin-bottom:8px;}
.cb-trust p{color:rgba(234,247,242,.76);font-size:.9rem;}

/* ============ 订阅 ============ */
.cb-subscribe{
  background:linear-gradient(135deg,#0a7d5d,#12b981);
  border-radius:var(--cb-radius-xl);
  padding:40px;
  color:#f2fbf7;
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  box-shadow:var(--cb-shadow-lg);
}
.cb-subscribe h2{color:#fff;font-size:clamp(1.35rem,2.2vw,1.8rem);margin-bottom:12px;}
.cb-subscribe p{color:rgba(242,251,247,.86);font-size:.94rem;}
.cb-sub-form{display:flex;gap:.6rem;flex-wrap:wrap;}
.cb-sub-form input{
  flex:1 1 220px;min-width:0;
  border:1px solid rgba(255,255,255,.5);
  background:rgba(255,255,255,.14);
  color:#fff;border-radius:999px;
  padding:.78rem 1.2rem;outline:none;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cb-sub-form input::placeholder{color:rgba(255,255,255,.65);}
.cb-sub-form input:focus{background:rgba(255,255,255,.22);border-color:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.18);}
.cb-sub-form button{
  border:0;border-radius:999px;font-weight:800;
  background:linear-gradient(135deg,#ffd166,#f5b942);
  color:#3a2a05;padding:.78rem 1.6rem;
  transition:transform .25s ease,box-shadow .25s ease;
}
.cb-sub-form button:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(0,0,0,.22);}
.cb-sub-note{font-size:.8rem;color:rgba(242,251,247,.72);margin-top:12px;display:block;}
.cb-sub-ok{
  display:block;margin-top:12px;font-size:.86rem;font-weight:700;
  color:#083c2c;background:#b6f5d9;border-radius:10px;padding:.5rem .9rem;
}

/* ============ FAQ ============ */
.cb-accordion .accordion-item{
  border:1px solid var(--cb-line);
  border-radius:var(--cb-radius) !important;
  margin-bottom:14px;overflow:hidden;
  background:var(--cb-surface);
  box-shadow:var(--cb-shadow-sm);
}
.cb-accordion .accordion-button{
  font-weight:700;color:var(--cb-ink);
  background:var(--cb-surface);
  padding:20px 24px;font-size:1rem;
  box-shadow:none;
}
.cb-accordion .accordion-button:not(.collapsed){color:#0a7d5d;background:rgba(18,185,129,.07);}
.cb-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(18,185,129,.22);}
.cb-accordion .accordion-button::after{
  background-image:none;
  content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cb-brand-deep);
  display:grid;place-items:center;
  width:26px;height:26px;flex:0 0 26px;
  border-radius:8px;background:rgba(18,185,129,.12);
  font-size:.78rem;
  transition:transform .25s ease;
}
.cb-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.cb-accordion .accordion-body{
  color:var(--cb-muted);font-size:.94rem;
  padding:4px 24px 22px;line-height:1.8;
}

/* ============ 页脚 ============ */
.cb-footer{
  background:#04241c;color:rgba(234,247,242,.72);
  padding:60px 0 26px;font-size:.92rem;
}
.cb-footer .cb-brand-text{font-size:1.08rem;}
.cb-footer-desc{color:rgba(234,247,242,.66);margin:16px 0 0;max-width:420px;font-size:.9rem;}
.cb-footer h4{color:#fff;font-size:.96rem;margin-bottom:16px;letter-spacing:.5px;}
.cb-footer-links{display:grid;gap:11px;}
.cb-footer-links a{color:rgba(234,247,242,.72);font-size:.9rem;}
.cb-footer-links a:hover{color:#7ef0c2;}
.cb-footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(234,247,242,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem;
  font-size:.84rem;color:rgba(234,247,242,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cb-svc-grid{grid-template-columns:repeat(3,1fr);}
  .cb-timeline{grid-template-columns:repeat(2,1fr);}
  .cb-device-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .cb-nav .navbar-collapse{
    background:rgba(4,40,30,.97);
    border-radius:var(--cb-radius);
    margin-top:.8rem;padding:.85rem;
    border:1px solid rgba(255,255,255,.12);
  }
  .cb-nav .nav-link{margin:.14rem 0;}
  .cb-nav-cta{margin:.6rem 0 .2rem;width:100%;justify-content:center;}
  .cb-hero{padding:58px 0 66px;}
  .cb-map-panel{margin-top:8px;}
  .cb-kpi-grid{grid-template-columns:repeat(2,1fr);}
  .cb-svc-grid{grid-template-columns:repeat(2,1fr);}
  .cb-pick-grid{grid-template-columns:repeat(2,1fr);}
  .cb-voice-grid{grid-template-columns:repeat(2,1fr);}
  .cb-trust-grid{grid-template-columns:repeat(2,1fr);}
  .cb-channel-card{grid-template-columns:1fr;padding:32px;}
  .cb-compare{grid-template-columns:1fr;}
  .cb-subscribe{grid-template-columns:1fr;padding:32px;}
  .cb-section{padding:58px 0;}
}
@media (max-width:767.98px){
  .cb-hero h1{font-size:1.72rem;}
  .cb-hero-meta{gap:1.2rem;}
  .cb-rank{grid-template-columns:46px 1fr;padding:18px;}
  .cb-rank-badge{grid-column:2;justify-self:start;margin-top:8px;}
  .cb-news{grid-template-columns:1fr;gap:10px;padding:18px;}
  .cb-news-date{justify-self:start;}
  .cb-news-more{justify-self:start;}
  .cb-slot{grid-template-columns:80px 1fr;row-gap:6px;}
  .cb-slot-tag{grid-column:2;justify-self:start;}
}
@media (max-width:575.98px){
  .cb-kpi-grid,.cb-svc-grid,.cb-pick-grid,.cb-voice-grid,.cb-trust-grid,.cb-timeline,.cb-device-grid{grid-template-columns:1fr;}
  .cb-hero{padding:46px 0 54px;}
  .cb-subscribe,.cb-channel-card{padding:24px;}
  .cb-section{padding:48px 0;}
  .cb-hero-actions{flex-direction:column;align-items:stretch;}
  .cb-btn{width:100%;}
}

/* roulang page: category1 */
:root{
 --cb-brand:#12b981;
 --cb-brand-deep:#0a7d5d;
 --cb-brand-darkest:#063a2c;
 --cb-accent:#f5b942;
 --cb-accent-soft:#ffd98a;
 --cb-ink:#0d1f1a;
 --cb-body:#33463f;
 --cb-muted:#6a8178;
 --cb-bg:#f4f8f6;
 --cb-bg-soft:#eef5f1;
 --cb-surface:#ffffff;
 --cb-line:#dce8e3;
 --cb-radius-xl:24px;
 --cb-radius-lg:18px;
 --cb-radius:14px;
 --cb-radius-sm:10px;
 --cb-shadow-sm:0 2px 10px rgba(9,54,41,.06);
 --cb-shadow:0 16px 38px rgba(9,54,41,.10);
 --cb-shadow-lg:0 28px 64px rgba(9,54,41,.18);
 --cb-font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}
/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:var(--cb-font);
 color:var(--cb-body);
 background:var(--cb-bg);
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--cb-brand-deep);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease,transform .22s ease;}
a:hover{color:var(--cb-brand);}
button,input,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0 0 .65rem;color:var(--cb-ink);font-weight:800;line-height:1.3;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,185,129,.45);outline-offset:2px;border-radius:8px;}
section{scroll-margin-top:96px;}
.container{max-width:1180px;padding-left:20px;padding-right:20px;}
/* ===== 导航 ===== */
.cb-header{position:sticky;top:0;z-index:1030;}
.cb-nav{
 background:linear-gradient(100deg,#063a2c 0%,#0a7d5d 46%,#14b585 100%);
 padding:.72rem 0;
 box-shadow:0 12px 32px rgba(6,58,44,.28);
 border-bottom:1px solid rgba(255,255,255,.10);
}
.cb-nav .container{display:flex;align-items:center;flex-wrap:wrap;}
.cb-brand{display:flex;align-items:center;gap:.65rem;padding:0;}
.cb-brand-mark{
 width:40px;height:40px;border-radius:13px;
 background:linear-gradient(140deg,#ffffff,#c9f6e4);
 color:#0a7d5d;font-weight:800;font-size:1.05rem;
 display:grid;place-items:center;
 box-shadow:0 8px 20px rgba(0,0,0,.22);
 flex:0 0 auto;
}
.cb-brand-text{color:#ffffff;font-weight:800;font-size:1.12rem;letter-spacing:.5px;}
.cb-brand-text:hover{color:#ffffff;}
.cb-nav .nav-link{
 color:rgba(255,255,255,.86);
 font-weight:600;
 padding:.48rem 1.05rem;
 border-radius:11px;
 margin:0 .12rem;
 transition:background .25s ease,color .25s ease,box-shadow .25s ease;
}
.cb-nav .nav-link:hover{color:#ffffff;background:rgba(255,255,255,.16);}
.cb-nav .nav-link.active{
 color:#0a7d5d;
 background:#ffffff;
 box-shadow:0 8px 18px rgba(0,0,0,.16);
}
.cb-nav-cta{
 display:inline-flex;align-items:center;gap:.42rem;
 background:linear-gradient(135deg,#ffd166,#f5b942);
 color:#3a2a05;font-weight:800;
 border:0;border-radius:999px;
 padding:.5rem 1.2rem;margin-left:.5rem;
 box-shadow:0 10px 24px rgba(245,185,66,.34);
 transition:transform .25s ease,box-shadow .25s ease,background .25s ease;
}
.cb-nav-cta:hover{color:#2c1f03;background:linear-gradient(135deg,#ffdb85,#ffc457);transform:translateY(-2px);box-shadow:0 16px 30px rgba(245,185,66,.44);}
.cb-nav-cta:active{transform:translateY(0);}
.cb-toggler{border:1px solid rgba(255,255,255,.35);border-radius:12px;padding:.35rem .6rem;background:rgba(255,255,255,.08);}
.cb-toggler:focus{box-shadow:none;}
.cb-toggler .fa-bars{color:#fff;font-size:1.05rem;}
/* ===== 通用板块 ===== */
.cb-section{padding:74px 0;}
.cb-section.alt{background:var(--cb-bg-soft);}
.cb-section.tight{padding-top:52px;padding-bottom:52px;}
.cb-eyebrow{
 display:inline-flex;align-items:center;gap:.4rem;
 background:rgba(18,185,129,.12);
 color:#0a7d5d;font-weight:700;font-size:.82rem;
 padding:.3rem .82rem;border-radius:999px;
 letter-spacing:.6px;margin-bottom:14px;
}
.cb-sec-head{max-width:760px;margin-bottom:38px;}
.cb-sec-head h2{font-size:clamp(1.42rem,2.6vw,2rem);}
.cb-sec-head p{color:var(--cb-muted);margin-bottom:0;}
.cb-sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
/* ===== 按钮 ===== */
.cb-btn{
 display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
 font-weight:700;border-radius:999px;
 padding:.8rem 1.7rem;border:1px solid transparent;
 transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
 cursor:pointer;
}
.cb-btn-accent{background:linear-gradient(135deg,#ffd166,#f5b942);color:#3a2a05;box-shadow:0 16px 32px rgba(245,185,66,.28);}
.cb-btn-accent:hover{color:#2c1f03;transform:translateY(-2px);box-shadow:0 22px 42px rgba(245,185,66,.4);}
.cb-btn-ghost{border-color:rgba(255,255,255,.45);color:#f2fbf7;background:rgba(255,255,255,.07);}
.cb-btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.78);}
.cb-btn-solid{background:var(--cb-brand-deep);color:#fff;box-shadow:0 14px 30px rgba(10,125,93,.28);}
.cb-btn-solid:hover{background:#0c8f69;color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(10,125,93,.36);}
.cb-btn-outline{border-color:var(--cb-line);color:var(--cb-ink);background:#fff;}
.cb-btn-outline:hover{border-color:var(--cb-brand);color:var(--cb-brand-deep);background:#f2fbf7;transform:translateY(-2px);}
.cb-btn:active{transform:translateY(0);}
.cb-btn-sm{padding:.55rem 1.2rem;font-size:.92rem;}
/* ===== 分类页 Hero ===== */
.cb-hero{
 position:relative;overflow:hidden;
 padding:76px 0 84px;
 color:#eaf7f2;
 background:
 radial-gradient(920px 440px at 84% 4%, rgba(55,207,155,.32), transparent 62%),
 radial-gradient(760px 460px at 4% 92%, rgba(245,185,66,.16), transparent 62%),
 linear-gradient(160deg,#04241c 0%,#064534 46%,#0a6d51 100%);
}
.cb-hero::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
 linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
 background-size:58px 58px;
 mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 72%);
 -webkit-mask-image:radial-gradient(circle at 70% 30%,#000 0%,transparent 72%);
}
.cb-hero .container{position:relative;z-index:2;}
.cb-hero-tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:20px;}
.cb-tag{
 display:inline-flex;align-items:center;gap:.36rem;
 font-size:.8rem;font-weight:600;
 padding:.3rem .78rem;border-radius:999px;
 background:rgba(255,255,255,.10);
 border:1px solid rgba(255,255,255,.22);
 color:#d8f6ea;
}
.cb-hero-brand{font-size:.92rem;font-weight:700;letter-spacing:2px;color:var(--cb-accent-soft);margin-bottom:10px;}
.cb-hero h1{color:#ffffff;font-size:clamp(1.8rem,4vw,2.85rem);line-height:1.24;margin-bottom:16px;}
.cb-hero h1 em{font-style:normal;color:var(--cb-accent-soft);}
.cb-hero-sub{font-size:1.1rem;font-weight:700;color:#ffe2a9;margin-bottom:16px;line-height:1.6;}
.cb-hero-text{color:rgba(234,247,242,.84);max-width:600px;margin-bottom:26px;}
.cb-hero-actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-bottom:26px;}
.cb-hero-meta{display:flex;flex-wrap:wrap;gap:1.8rem;}
.cb-hero-meta div{display:flex;flex-direction:column;}
.cb-hero-meta strong{color:#fff;font-size:1.26rem;font-weight:800;}
.cb-hero-meta span{font-size:.82rem;color:rgba(234,247,242,.7);}
/* 节点条 + 订阅面板 */
.cb-node-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--cb-radius-xl);
 padding:24px 22px;
 box-shadow:0 24px 52px rgba(2,20,15,.32);
 backdrop-filter:blur(6px);
}
.cb-node-panel h3{color:#fff;font-size:1.02rem;display:flex;align-items:center;gap:.5rem;margin-bottom:6px;}
.cb-node-panel .cb-node-note{color:rgba(234,247,242,.7);font-size:.86rem;margin-bottom:18px;}
.cb-node-rail{position:relative;padding-left:6px;margin-bottom:20px;}
.cb-node-rail::before{
 content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,rgba(255,255,255,.42),rgba(255,255,255,.06));
}
.cb-node{position:relative;display:flex;gap:.85rem;padding:0 0 16px 0;}
.cb-node:last-child{padding-bottom:0;}
.cb-node-dot{
 flex:0 0 auto;width:16px;height:16px;border-radius:50%;
 background:var(--cb-accent);border:3px solid #0b5943;margin-top:5px;
 box-shadow:0 0 0 4px rgba(245,185,66,.18);
}
.cb-node-body strong{display:block;color:#fff;font-size:.94rem;font-weight:700;}
.cb-node-body span{font-size:.82rem;color:rgba(234,247,242,.72);}
.cb-sub-form{display:flex;gap:.5rem;flex-wrap:wrap;}
.cb-sub-form input{
 flex:1 1 160px;min-width:0;
 border-radius:999px;border:1px solid rgba(255,255,255,.28);
 background:rgba(255,255,255,.12);color:#fff;
 padding:.68rem 1.1rem;outline:none;
 transition:border-color .25s ease,background .25s ease;
}
.cb-sub-form input::placeholder{color:rgba(234,247,242,.6);}
.cb-sub-form input:focus{border-color:var(--cb-accent);background:rgba(255,255,255,.2);}
.cb-sub-form .cb-btn{padding:.68rem 1.4rem;}
.cb-form-hint{font-size:.78rem;color:rgba(234,247,242,.6);margin:12px 0 0;}
/* ===== 内容线路卡 ===== */
.cb-line-card{
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius-lg);
 padding:26px 24px;
 height:100%;
 box-shadow:var(--cb-shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cb-line-card:hover{transform:translateY(-6px);box-shadow:var(--cb-shadow);border-color:rgba(18,185,129,.4);}
.cb-line-icon{
 width:48px;height:48px;border-radius:14px;
 display:grid;place-items:center;font-size:1.15rem;
 background:linear-gradient(140deg,#e7f8f1,#cdeee0);
 color:var(--cb-brand-deep);margin-bottom:16px;
}
.cb-line-card h3{font-size:1.08rem;margin-bottom:.5rem;}
.cb-line-card p{color:var(--cb-muted);font-size:.94rem;margin-bottom:14px;}
.cb-line-tags{display:flex;flex-wrap:wrap;gap:.4rem;}
.cb-chip{
 font-size:.76rem;font-weight:600;color:#0a7d5d;
 background:rgba(18,185,129,.1);
 border-radius:999px;padding:.22rem .66rem;
}
/* ===== 时段对比面板 ===== */
.cb-compare-wrap{
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius-xl);
 padding:10px;
 box-shadow:var(--cb-shadow-sm);
}
.cb-compare{
 display:grid;
 grid-template-columns:repeat(4,minmax(0,1fr));
 gap:10px;
}
.cb-compare-col{
 border-radius:var(--cb-radius-lg);
 padding:22px 18px;
 background:var(--cb-bg-soft);
 border:1px solid transparent;
 transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.cb-compare-col:hover{background:#ffffff;border-color:rgba(18,185,129,.35);transform:translateY(-4px);}
.cb-compare-col .cb-period{
 font-size:.8rem;font-weight:700;color:var(--cb-brand-deep);
 letter-spacing:.5px;display:inline-flex;align-items:center;gap:.35rem;
 margin-bottom:8px;
}
.cb-compare-col h4{font-size:1rem;margin-bottom:12px;}
.cb-compare-col dl{margin:0;}
.cb-compare-col dt{font-size:.78rem;color:var(--cb-muted);font-weight:600;margin-top:10px;}
.cb-compare-col dd{margin:2px 0 0;font-size:.9rem;color:var(--cb-body);font-weight:600;}
.cb-meter{height:6px;border-radius:999px;background:#dfeae5;overflow:hidden;margin-top:8px;}
.cb-meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#12b981,#f5b942);}
/* ===== 频道矩阵 ===== */
.cb-channel-card{
 position:relative;
 display:flex;flex-direction:column;
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius-lg);
 padding:24px;
 height:100%;
 box-shadow:var(--cb-shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cb-channel-card:hover{transform:translateY(-6px);box-shadow:var(--cb-shadow);border-color:rgba(18,185,129,.45);}
.cb-channel-card .cb-channel-top{display:flex;align-items:center;justify-content:space-between;gap:.6rem;margin-bottom:14px;}
.cb-channel-card h3{font-size:1.05rem;margin:0;}
.cb-badge{
 font-size:.74rem;font-weight:700;border-radius:999px;padding:.24rem .68rem;
 background:rgba(245,185,66,.18);color:#8a6205;
}
.cb-badge.green{background:rgba(18,185,129,.14);color:#0a7d5d;}
.cb-channel-card p{font-size:.92rem;color:var(--cb-muted);margin-bottom:16px;}
.cb-channel-list li{
 display:flex;align-items:flex-start;gap:.5rem;
 font-size:.9rem;color:var(--cb-body);
 padding:.3rem 0;
}
.cb-channel-list i{color:var(--cb-brand);margin-top:.35rem;font-size:.72rem;}
.cb-channel-foot{margin-top:auto;padding-top:16px;border-top:1px dashed var(--cb-line);font-size:.88rem;font-weight:700;}
/* ===== 精选清单 ===== */
.cb-pick-list{display:flex;flex-direction:column;gap:12px;}
.cb-pick{
 display:flex;gap:1rem;align-items:flex-start;
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius);
 padding:20px 22px;
 box-shadow:var(--cb-shadow-sm);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cb-pick:hover{transform:translateX(6px);box-shadow:var(--cb-shadow);border-color:rgba(18,185,129,.4);}
.cb-pick-num{
 flex:0 0 auto;width:42px;height:42px;border-radius:12px;
 background:linear-gradient(140deg,#0a7d5d,#12b981);
 color:#fff;font-weight:800;display:grid;place-items:center;
 box-shadow:0 10px 22px rgba(10,125,93,.26);
}
.cb-pick-body h3{font-size:1rem;margin-bottom:.35rem;}
.cb-pick-body p{font-size:.9rem;color:var(--cb-muted);margin-bottom:.5rem;}
.cb-pick-tags{display:flex;flex-wrap:wrap;gap:.4rem;}
/* ===== 更新动态时间线 ===== */
.cb-timeline{position:relative;padding-left:26px;}
.cb-timeline::before{
 content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,#12b981,rgba(18,185,129,.1));
}
.cb-tl-item{position:relative;padding-bottom:26px;}
.cb-tl-item:last-child{padding-bottom:0;}
.cb-tl-item::before{
 content:"";position:absolute;left:-25px;top:8px;
 width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--cb-brand);
}
.cb-tl-date{font-size:.8rem;font-weight:700;color:var(--cb-brand-deep);letter-spacing:.5px;}
.cb-tl-item h3{font-size:1rem;margin:.2rem 0 .35rem;}
.cb-tl-item p{font-size:.9rem;color:var(--cb-muted);margin:0;}
/* ===== 多端体验 + 指标 ===== */
.cb-device-card{
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius-lg);
 padding:24px;
 height:100%;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cb-device-card:hover{transform:translateY(-5px);box-shadow:var(--cb-shadow);border-color:rgba(18,185,129,.4);}
.cb-device-card i{font-size:1.4rem;color:var(--cb-brand-deep);}
.cb-device-card h3{font-size:1.02rem;margin:.75rem 0 .4rem;}
.cb-device-card p{font-size:.9rem;color:var(--cb-muted);margin:0;}
.cb-stat-row{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:14px;margin-top:32px;
}
.cb-stat{
 background:linear-gradient(150deg,#063a2c,#0a7d5d);
 color:#eaf7f2;border-radius:var(--cb-radius-lg);
 padding:22px 20px;
 box-shadow:var(--cb-shadow);
}
.cb-stat strong{display:block;font-size:1.6rem;font-weight:800;color:#fff;line-height:1.2;}
.cb-stat span{font-size:.84rem;color:rgba(234,247,242,.78);}
/* ===== 保障条 + 反馈 ===== */
.cb-trust-bar{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:14px;
}
.cb-trust-item{
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-left:4px solid var(--cb-brand);
 border-radius:var(--cb-radius);
 padding:18px 20px;
 transition:box-shadow .25s ease,transform .25s ease;
}
.cb-trust-item:hover{box-shadow:var(--cb-shadow);transform:translateY(-4px);}
.cb-trust-item strong{display:block;font-size:.98rem;color:var(--cb-ink);margin-bottom:.25rem;}
.cb-trust-item span{font-size:.86rem;color:var(--cb-muted);}
.cb-quote{
 background:var(--cb-bg-soft);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius-lg);
 padding:22px;
 height:100%;
}
.cb-quote p{font-size:.93rem;color:var(--cb-body);}
.cb-quote-who{display:flex;align-items:center;gap:.7rem;margin-top:14px;}
.cb-quote-ava{
 width:36px;height:36px;border-radius:50%;
 background:linear-gradient(140deg,#0a7d5d,#12b981);
 color:#fff;font-weight:800;font-size:.86rem;
 display:grid;place-items:center;
}
.cb-quote-who span{font-size:.84rem;color:var(--cb-muted);}
/* ===== FAQ ===== */
.cb-faq-item{
 background:var(--cb-surface);
 border:1px solid var(--cb-line);
 border-radius:var(--cb-radius);
 padding:22px 24px;
 height:100%;
 transition:border-color .25s ease,box-shadow .25s ease;
}
.cb-faq-item:hover{border-color:rgba(18,185,129,.42);box-shadow:var(--cb-shadow-sm);}
.cb-faq-item h3{font-size:1rem;display:flex;gap:.55rem;align-items:flex-start;margin-bottom:.5rem;}
.cb-faq-item h3 i{color:var(--cb-brand);margin-top:.3rem;font-size:.85rem;}
.cb-faq-item p{font-size:.92rem;color:var(--cb-muted);margin:0;}
/* ===== 收口 CTA ===== */
.cb-cta{
 position:relative;overflow:hidden;
 border-radius:var(--cb-radius-xl);
 padding:48px 42px;
 color:#eaf7f2;
 background:
 radial-gradient(620px 320px at 88% 10%, rgba(245,185,66,.24), transparent 62%),
 linear-gradient(150deg,#052c22,#0a6d51);
 box-shadow:var(--cb-shadow-lg);
}
.cb-cta h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);}
.cb-cta p{color:rgba(234,247,242,.82);max-width:620px;}
.cb-cta .cb-sub-form{max-width:460px;margin-top:18px;}
/* ===== 页脚 ===== */
.cb-footer{
 background:linear-gradient(160deg,#052c22,#063a2c 60%,#07432f);
 color:rgba(234,247,242,.78);
 padding:60px 0 26px;
 margin-top:0;
}
.cb-footer h4{color:#fff;font-size:1rem;margin-bottom:14px;}
.cb-footer .cb-brand{margin-bottom:16px;}
.cb-footer-desc{font-size:.92rem;color:rgba(234,247,242,.72);max-width:420px;}
.cb-footer-links{display:flex;flex-direction:column;gap:.5rem;}
.cb-footer-links a{color:rgba(234,247,242,.76);font-size:.92rem;}
.cb-footer-links a:hover{color:var(--cb-accent-soft);}
.cb-footer-bottom{
 margin-top:38px;padding-top:20px;
 border-top:1px solid rgba(255,255,255,.12);
 display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;
 justify-content:space-between;
 font-size:.84rem;color:rgba(234,247,242,.6);
}
/* ===== 响应式 ===== */
@media (max-width:1024px){
 .cb-section{padding:60px 0;}
 .cb-compare{grid-template-columns:repeat(2,minmax(0,1fr));}
 .cb-stat-row{grid-template-columns:repeat(2,minmax(0,1fr));}
 .cb-trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
 .cb-nav .navbar-collapse{
  background:rgba(4,36,28,.96);
  border-radius:var(--cb-radius-lg);
  padding:14px 12px;
  margin-top:12px;
  border:1px solid rgba(255,255,255,.12);
 }
 .cb-nav .nav-link{margin:.15rem 0;}
 .cb-nav-cta{margin:.4rem 0 0;justify-content:center;}
 .cb-hero{padding:58px 0 66px;}
 .cb-node-panel{margin-top:34px;}
}
@media (max-width:768px){
 .cb-section{padding:52px 0;}
 .cb-sec-head{margin-bottom:28px;}
 .cb-compare{grid-template-columns:1fr;}
 .cb-cta{padding:34px 24px;}
 .cb-pick{padding:18px;}
 .cb-pick-num{width:36px;height:36px;font-size:.9rem;}
 .cb-footer{padding:48px 0 22px;}
 .cb-footer-bottom{flex-direction:column;gap:.4rem;}
}
@media (max-width:520px){
 .cb-hero h1{font-size:1.6rem;}
 .cb-hero-meta{gap:1.1rem;}
 .cb-stat-row{grid-template-columns:1fr;}
 .cb-trust-bar{grid-template-columns:1fr;}
 .cb-btn{width:100%;}
 .cb-hero-actions .cb-btn{width:auto;}
 .cb-sub-form .cb-btn{width:100%;}
 .cb-brand-text{font-size:1rem;}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}