/* roulang page: index */
:root{
  --brand:#e8452c;
  --brand-dark:#bf3220;
  --brand-soft:#fff0ec;
  --accent:#f5a524;
  --accent-soft:#fff7e8;
  --ink:#151a24;
  --ink-2:#3d4655;
  --muted:#6d7787;
  --line:#e6e3dd;
  --bg:#fbfaf7;
  --card:#ffffff;
  --radius-xs:10px;
  --radius-sm:14px;
  --radius:18px;
  --radius-lg:26px;
  --radius-xl:40px;
  --shadow-xs:0 1px 2px rgba(21,26,36,.05);
  --shadow-sm:0 6px 18px -12px rgba(21,26,36,.28);
  --shadow:0 14px 40px -24px rgba(21,26,36,.5);
  --shadow-lg:0 30px 70px -40px rgba(21,26,36,.7);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.78;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 10px}
.nav-pill{
  position:relative;display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid rgba(21,26,36,.08);
  border-radius:999px;padding:9px 12px 9px 16px;
  box-shadow:0 18px 46px -30px rgba(21,26,36,.75);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand),var(--accent));
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
  box-shadow:0 10px 22px -12px rgba(232,69,44,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  font-size:14.5px;color:var(--ink-2);padding:8px 15px;border-radius:999px;
  transition:background .2s ease,color .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-links a:active{transform:scale(.97)}
.nav-cta{background:var(--brand)!important;color:#fff!important;font-weight:600;box-shadow:0 12px 26px -14px rgba(232,69,44,.95)}
.nav-cta:hover{background:var(--brand-dark)!important}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  place-items:center;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  margin-top:-90px;padding:158px 0 84px;
  background:
    radial-gradient(880px 420px at 12% -22%, rgba(245,165,36,.30), transparent 62%),
    radial-gradient(760px 420px at 96% 6%, rgba(232,69,44,.34), transparent 60%),
    linear-gradient(165deg,#1b222f 0%,#0d1017 100%);
  border-radius:0 0 var(--radius-xl) var(--radius-xl);
}
.hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.hero-burst{
  position:absolute;top:118px;right:5.5%;width:112px;height:112px;border-radius:50%;
  background:var(--brand);color:#fff;display:grid;place-content:center;text-align:center;
  font-weight:800;font-size:15px;line-height:1.24;transform:rotate(10deg);
  border:3px dashed rgba(255,255,255,.55);
  box-shadow:0 22px 46px -20px rgba(232,69,44,.95);
  animation:burstFloat 5s ease-in-out infinite;
}
@keyframes burstFloat{0%,100%{transform:rotate(10deg) translateY(0)}50%{transform:rotate(10deg) translateY(-8px)}}
.hero-inner{max-width:840px;position:relative;z-index:1}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
  color:#ffd9a8;font-size:13.5px;letter-spacing:.4px;
  padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;letter-spacing:-1px;line-height:1.2;
  text-shadow:0 18px 50px rgba(0,0,0,.4);
}
.hero-sub{
  margin-top:18px;font-size:clamp(16px,1.6vw,19px);color:#f7e6dc;
  font-weight:600;letter-spacing:.2px;
}
.hero-lead{margin-top:18px;font-size:16px;color:rgba(255,255,255,.76);line-height:1.95;max-width:770px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
  font-size:13.5px;color:rgba(255,255,255,.82);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:6px 14px;border-radius:999px;
}
.hero-deadline{
  margin-top:20px;font-size:13.5px;color:#ffcf9b;
  display:inline-flex;align-items:center;gap:8px;
  border-bottom:1px dashed rgba(255,207,155,.5);padding-bottom:3px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;
  letter-spacing:.2px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 34px -18px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(232,69,44,.95)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft:hover{background:#ffe2d9}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ============ 通用板块 ============ */
.sec{padding:78px 0}
.sec-tight{padding:60px 0}
.sec-white{background:#fff}
.sec-ink{background:linear-gradient(150deg,#1a212d,#10141b);color:#fff}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:700;letter-spacing:1.2px;
  color:var(--brand-dark);background:var(--brand-soft);
  padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.sec-tag i{font-size:11px}
.sec h2{font-size:clamp(23px,2.6vw,32px);font-weight:800;letter-spacing:-.6px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9}
.sec-ink .sec-tag{background:rgba(245,165,36,.16);color:#ffc978}
.sec-ink .sec-head p{color:rgba(255,255,255,.68)}
.sec-ink h2{color:#fff}
.sec-head-center{max-width:720px;margin:0 auto 40px;text-align:center}

/* ============ 卡片 ============ */
.card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-xs);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d2c7}
.card h3{font-size:17px;font-weight:700;margin-bottom:9px;letter-spacing:-.2px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.card-num{
  font-size:13px;font-weight:800;color:var(--brand);
  letter-spacing:1px;margin-bottom:12px;display:block;
}
.card-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-size:17px;margin-bottom:16px;
  transition:.25s;
}
.card:hover .card-icon{background:var(--brand);color:#fff}
.card-dark{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.card-dark h3{color:#fff}
.card-dark p{color:rgba(255,255,255,.66)}
.card-dark:hover{border-color:rgba(245,165,36,.5);background:rgba(255,255,255,.08)}
.tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.4px;
  padding:4px 11px;border-radius:999px;background:#f4f1ea;color:var(--ink-2);
}
.tag-brand{background:var(--brand-soft);color:var(--brand-dark)}
.tag-accent{background:var(--accent-soft);color:#a1651a}

/* ============ 价值三连 ============ */
.value-strip{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.value-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;border-top:3px solid var(--brand);box-shadow:var(--shadow-xs);
  transition:.25s;
}
.value-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.value-item span{font-size:12.5px;font-weight:800;color:var(--muted);letter-spacing:1.6px}
.value-item h3{margin-top:10px;font-size:18px;font-weight:700}
.value-item p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.85}

/* ============ 内容日历 ============ */
.cal-grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(228px,1fr))}
.cal-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px;transition:.25s;position:relative;overflow:hidden;
}
.cal-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--brand),var(--accent));opacity:.85;
}
.cal-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#d8d2c7}
.cal-time{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1px;font-variant-numeric:tabular-nums}
.cal-item h3{font-size:15.5px;font-weight:700;margin:8px 0 8px}
.cal-item p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ============ 专题卡 ============ */
.topic-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-xs);transition:.25s;height:100%;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d2c7}
.topic-card h3{font-size:17.5px;font-weight:700}
.topic-card p{font-size:14.5px;color:var(--muted);line-height:1.85;flex:1}
.topic-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}

/* ============ 频道入口 ============ */
.channel-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.channel{
  position:relative;display:block;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px 26px;transition:.28s;box-shadow:var(--shadow-xs);
}
.channel::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:130px;height:130px;border-radius:50%;
  background:var(--brand-soft);opacity:.7;transition:.3s;
}
.channel:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#d8d2c7}
.channel:hover::after{transform:scale(1.25);background:#ffe0d6}
.channel h3{font-size:19px;font-weight:800;position:relative;z-index:1}
.channel p{position:relative;z-index:1;margin-top:11px;font-size:14.5px;color:var(--muted);line-height:1.85}
.channel-link{
  position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-size:14px;font-weight:700;color:var(--brand-dark);
}
.channel-link i{transition:transform .25s}
.channel:hover .channel-link i{transform:translateX(5px)}

/* ============ 观点解读 ============ */
.view-grid{display:grid;gap:26px;grid-template-columns:1.08fr 1fr}
.view-main{
  background:linear-gradient(160deg,#fff,#fdfaf6);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow-xs);
}
.view-main h3{font-size:22px;font-weight:800;margin:14px 0 12px}
.view-main p{color:var(--muted);font-size:15px;line-height:1.9}
.view-list{display:flex;flex-direction:column;gap:14px}
.view-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 20px;transition:.25s;
}
.view-item:hover{border-color:var(--brand);transform:translateX(4px)}
.view-item h4{font-size:15.5px;font-weight:700;margin-bottom:7px}
.view-item p{font-size:13.8px;color:var(--muted);line-height:1.8}

/* ============ 场景矩阵 ============ */
.scene-grid{display:grid;gap:18px;grid-template-columns:repeat(4,1fr)}
.scene{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.25s;position:relative;
}
.scene:hover{border-color:var(--brand);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.scene-ico{font-size:20px;color:var(--brand);margin-bottom:14px;display:block}
.scene h3{font-size:16px;font-weight:700;margin-bottom:9px}
.scene p{font-size:14px;color:var(--muted);line-height:1.82}

/* ============ 演示舞台 ============ */
.stage{
  background:linear-gradient(150deg,#1c2431,#0f131a);border-radius:var(--radius-lg);
  padding:18px;box-shadow:var(--shadow-lg);
}
.stage-tabs{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.stage-tab{
  font-size:13.5px;color:rgba(255,255,255,.7);padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid transparent;transition:.2s;
}
.stage-tab.on{background:#fff;color:var(--ink);font-weight:700}
.stage-tab:hover{background:rgba(255,255,255,.16);color:#fff}
.stage-body{
  background:#fff;border-radius:var(--radius);padding:20px;
  display:grid;gap:14px;grid-template-columns:1fr 1.5fr 1fr;
}
.stage-col h4{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:1px;margin-bottom:12px}
.stage-row{
  border:1px solid var(--line);border-radius:12px;padding:11px 13px;margin-bottom:9px;
  font-size:13px;color:var(--ink-2);background:#fdfcf9;line-height:1.6;
}
.stage-row b{display:block;color:var(--brand);font-size:12px;margin-bottom:3px;letter-spacing:.6px}
.stage-bar{height:7px;border-radius:999px;background:#f0ece4;overflow:hidden;margin-top:8px}
.stage-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--accent))}

/* ============ 案例 ============ */
.case-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.25s;
}
.case:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#d8d2c7}
.case h3{font-size:17px;font-weight:700;margin-bottom:11px}
.case p{font-size:14.4px;color:var(--muted);line-height:1.85}
.case-stat{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  display:flex;align-items:baseline;gap:9px;
}
.case-stat b{font-size:26px;font-weight:800;color:var(--brand);letter-spacing:-.5px}
.case-stat span{font-size:13px;color:var(--muted)}

/* ============ 资讯列表 ============ */
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.news-item{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding:18px 4px;border-bottom:1px solid var(--line);transition:.22s;
}
.news-item:hover{background:#fff;padding-left:14px;border-radius:12px}
.news-item h3{font-size:16px;font-weight:600;flex:1;min-width:220px}
.news-item:hover h3{color:var(--brand-dark)}
.news-meta{display:flex;align-items:center;gap:14px;font-size:12.8px;color:var(--muted);white-space:nowrap}

/* ============ 媒体精选 ============ */
.media-grid{display:grid;gap:20px;grid-template-columns:repeat(3,1fr)}
.quote{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:26px;transition:.25s;
}
.quote:hover{background:rgba(255,255,255,.09);border-color:rgba(245,165,36,.45);transform:translateY(-3px)}
.quote p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.92}
.quote footer{margin-top:18px;font-size:13px;color:rgba(255,255,255,.5);display:flex;align-items:center;gap:9px}
.quote footer i{color:var(--accent)}

/* ============ 数据面板 ============ */
.kpi-grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr);margin-bottom:34px}
.kpi{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px;transition:.25s;
}
.kpi:hover{border-color:var(--brand);transform:translateY(-3px)}
.kpi b{display:block;font-size:30px;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.kpi span{display:block;margin-top:7px;font-size:13.5px;color:var(--muted)}
.kpi em{font-style:normal;font-size:12px;color:var(--brand-dark);font-weight:700}
.chart{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.chart-row{margin-bottom:18px}
.chart-row:last-child{margin-bottom:0}
.chart-label{display:flex;justify-content:space-between;font-size:13.6px;color:var(--ink-2);margin-bottom:8px}
.chart-label b{font-weight:700}
.bar{height:9px;border-radius:999px;background:#f1ede5;overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .8s ease}

/* ============ 对比表 ============ */
.table-scroll{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-xs)}
.cmp{width:100%;min-width:660px;border-collapse:separate;border-spacing:0;background:#fff;font-size:14.6px}
.cmp th,.cmp td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp thead th{background:#f7f4ee;font-weight:800;font-size:14px;color:var(--ink)}
.cmp thead th:first-child{border-radius:var(--radius) 0 0 0}
.cmp thead th:last-child{border-radius:0 var(--radius) 0 0}
.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody tr:hover td{background:#fdfbf7}
.cmp .col-rec{background:var(--brand-soft)}
.cmp thead th.col-rec{background:#ffe1d8;color:var(--brand-dark)}
.cmp .yes{color:var(--brand-dark);font-weight:700}
.cmp .no{color:#c4c0b7}

/* ============ 套餐 ============ */
.plan-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);align-items:stretch}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 28px;display:flex;flex-direction:column;transition:.28s;
}
.plan:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.plan.featured{
  border:2px solid var(--brand);box-shadow:0 34px 70px -40px rgba(232,69,44,.95);
  transform:translateY(-10px);
}
.plan.featured:hover{transform:translateY(-13px)}
.plan-flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.6px;
  padding:5px 18px;border-radius:999px;box-shadow:0 10px 22px -12px rgba(232,69,44,.95);
}
.plan h3{font-size:18px;font-weight:800}
.plan .price{margin:16px 0 6px;display:flex;align-items:baseline;gap:6px}
.plan .price b{font-size:38px;font-weight:800;letter-spacing:-1.5px}
.plan .price span{font-size:13.5px;color:var(--muted)}
.plan > p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:20px}
.plan ul{display:flex;flex-direction:column;gap:11px;flex:1;margin-bottom:24px}
.plan ul li{display:flex;gap:10px;font-size:14.3px;color:var(--ink-2);line-height:1.7}
.plan ul li i{color:var(--brand);margin-top:5px;font-size:12px}

/* ============ 评价墙 ============ */
.rate-grid{display:grid;gap:24px;grid-template-columns:.8fr 1.6fr;align-items:start}
.rate-score{
  background:linear-gradient(155deg,var(--ink),#242c3a);color:#fff;
  border-radius:var(--radius-lg);padding:32px;text-align:center;
}
.rate-score b{display:block;font-size:56px;font-weight:800;letter-spacing:-2px;line-height:1}
.rate-score .stars{color:var(--accent);margin:14px 0 10px;letter-spacing:3px;font-size:14px}
.rate-score p{font-size:13.6px;color:rgba(255,255,255,.68);line-height:1.8}
.rate-list{display:grid;gap:16px;grid-template-columns:1fr 1fr}
.rate-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:20px;transition:.25s;
}
.rate-card:hover{border-color:#d8d2c7;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.rate-card p{font-size:14.4px;color:var(--ink-2);line-height:1.85}
.rate-card footer{margin-top:14px;font-size:12.8px;color:var(--muted);display:flex;justify-content:space-between;gap:10px}
.rate-card footer b{color:var(--brand);font-weight:700}

/* ============ 口碑气泡 ============ */
.bubble-grid{display:grid;gap:16px;grid-template-columns:repeat(4,1fr)}
.bubble{
  background:#fff;border:1px solid var(--line);
  border-radius:20px 20px 20px 6px;padding:18px 20px;transition:.25s;
}
.bubble:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm);border-color:var(--brand)}
.bubble p{font-size:14px;color:var(--ink-2);line-height:1.8}
.bubble span{display:block;margin-top:12px;font-size:12.6px;color:var(--brand-dark);font-weight:700}

/* ============ 保障 ============ */
.guard-grid{display:grid;gap:26px;grid-template-columns:1fr 1.1fr;align-items:center}
.guard-list{display:grid;gap:14px}
.guard-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:17px 20px;transition:.22s;
}
.guard-item:hover{border-color:var(--brand);transform:translateX(4px)}
.guard-item i{
  width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
  display:grid;place-items:center;font-size:12px;flex-shrink:0;margin-top:4px;
}
.guard-item p{font-size:14.4px;color:var(--ink-2);line-height:1.8}
.guard-item p b{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}

/* ============ 订阅条 ============ */
.subscribe{
  background:
    radial-gradient(600px 300px at 88% 0%, rgba(245,165,36,.28), transparent 62%),
    linear-gradient(150deg,#e8452c,#b52c17);
  border-radius:var(--radius-lg);padding:52px 44px;color:#fff;
  box-shadow:0 40px 80px -50px rgba(232,69,44,.95);
}
.subscribe h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:-.6px}
.subscribe p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.86);line-height:1.9;max-width:660px}
.sub-form{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:240px;border-radius:999px;border:1px solid rgba(255,255,255,.4);
  background:rgba(255,255,255,.14);color:#fff;padding:13px 22px;font-size:15px;
  transition:.22s;
}
.sub-form input::placeholder{color:rgba(255,255,255,.65)}
.sub-form input:focus{outline:none;background:rgba(255,255,255,.24);border-color:#fff}
.sub-form button{
  background:#fff;color:var(--brand-dark);font-weight:700;border:none;border-radius:999px;
  padding:13px 30px;cursor:pointer;transition:.22s;font-size:15px;
}
.sub-form button:hover{background:#ffe6dd;transform:translateY(-2px)}
.sub-note{margin-top:16px;font-size:13px;color:rgba(255,255,255,.72)}

/* ============ 页脚 ============ */
.site-footer{background:#101419;color:rgba(255,255,255,.66);padding:56px 0 30px;margin-top:80px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1.5fr 1fr 1fr 1fr}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.58)}
.footer-col h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.6);transition:.2s}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .sec{padding:64px 0}
  .value-strip,.case-grid,.media-grid,.plan-grid,.channel-grid{grid-template-columns:1fr 1fr}
  .scene-grid{grid-template-columns:1fr 1fr}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .bubble-grid{grid-template-columns:1fr 1fr}
  .stage-body{grid-template-columns:1fr 1fr}
  .stage-body .stage-col:last-child{grid-column:1 / -1}
  .view-grid,.rate-grid,.guard-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:920px){
  .nav-toggle{display:grid}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 12px);margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;background:#fff;
    border:1px solid var(--line);border-radius:22px;padding:12px;
    box-shadow:var(--shadow-lg);display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 18px;border-radius:14px;font-size:15px;text-align:center}
  .hero{margin-top:-84px;padding:140px 0 66px;border-radius:0 0 30px 30px}
  .hero-burst{width:88px;height:88px;font-size:13px;top:96px;right:20px}
}
@media (max-width:768px){
  .sec{padding:54px 0}
  .value-strip,.case-grid,.media-grid,.plan-grid,.channel-grid,.scene-grid,
  .bubble-grid,.kpi-grid,.rate-list{grid-template-columns:1fr}
  .stage-body{grid-template-columns:1fr}
  .hero-burst{display:none}
  .hero h1{font-size:29px;letter-spacing:-.4px}
  .hero-lead{font-size:15px}
  .subscribe{padding:38px 24px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .plan.featured{transform:none}
  .plan.featured:hover{transform:translateY(-5px)}
  .sec-head{margin-bottom:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text em{display:none}
  .hero{padding:128px 0 56px}
  .hero-actions .btn{width:100%}
  .news-item{padding:16px 2px;gap:10px}
  .news-meta{width:100%;justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .card,.topic-card,.case,.plan{padding:20px}
  .subscribe h2{font-size:22px}
}

/* roulang page: category1 */
:root{
 --brand:#e8452c;
 --brand-dark:#bf3220;
 --brand-soft:#fff0ec;
 --accent:#f5a524;
 --accent-soft:#fff7e8;
 --ink:#151a24;
 --ink-2:#3d4655;
 --muted:#6d7787;
 --line:#e6e3dd;
 --bg:#fbfaf7;
 --card:#ffffff;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:18px;
 --radius-lg:26px;
 --radius-xl:40px;
 --shadow-xs:0 1px 2px rgba(21,26,36,.05);
 --shadow-sm:0 6px 18px -12px rgba(21,26,36,.28);
 --shadow:0 14px 40px -24px rgba(21,26,36,.5);
 --shadow-lg:0 30px 70px -40px rgba(21,26,36,.7);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:-.2px}
p{margin:0}
:focus-visible{outline:3px solid rgba(232,69,44,.45);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
body .container{width:100%;max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 10px}
.nav-pill{
 position:relative;display:flex;align-items:center;gap:16px;
 background:#fff;border:1px solid rgba(21,26,36,.08);
 border-radius:999px;padding:9px 12px 9px 16px;
 box-shadow:0 18px 46px -30px rgba(21,26,36,.75);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(140deg,var(--brand),var(--accent));
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 22px -12px rgba(232,69,44,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 font-size:14.5px;color:var(--ink-2);padding:8px 15px;border-radius:999px;
 transition:background .2s ease,color .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-links a:active{transform:scale(.97)}
.nav-cta{background:var(--brand)!important;color:#fff!important;font-weight:600;box-shadow:0 12px 26px -14px rgba(232,69,44,.95)}
.nav-cta:hover{background:var(--brand-dark)!important}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:999px;
 border:1px solid var(--line);background:#fff;color:var(--ink);
 place-items:center;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 通用按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;transition:all .22s ease;letter-spacing:.2px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 34px -18px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.9);color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft:hover{background:#ffe2d9}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 20px;font-size:14px}

.sec-tag{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:700;letter-spacing:1.2px;
 color:var(--brand-dark);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.sec-tag i{font-size:11px}
.tag{
 display:inline-flex;align-items:center;gap:5px;
 font-size:12px;font-weight:600;color:var(--ink-2);
 background:#f3f1ec;border:1px solid var(--line);
 padding:3px 10px;border-radius:999px;white-space:nowrap;
}
.tag-hot{background:var(--brand-soft);color:var(--brand-dark);border-color:#ffd9cf}
.tag-new{background:var(--accent-soft);color:#a4650a;border-color:#ffe4b3}

/* ============ 分类页首屏 ============ */
.page-hero{
 position:relative;overflow:hidden;
 margin-top:-90px;padding:150px 0 76px;
 background:
  radial-gradient(760px 380px at 88% -12%, rgba(245,165,36,.22), transparent 62%),
  radial-gradient(600px 340px at 2% 6%, rgba(232,69,44,.14), transparent 60%),
  linear-gradient(180deg,#ffffff 0%, var(--bg) 100%);
 border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;position:relative;z-index:1}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 background:var(--brand-soft);border:1px solid #ffd9cf;color:var(--brand-dark);
 font-size:13px;font-weight:700;letter-spacing:.4px;
 padding:7px 16px;border-radius:999px;margin-bottom:20px;
}
.page-hero h1{
 font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1.24;letter-spacing:-.8px;
 color:var(--ink);
}
.hero-sub{
 margin-top:16px;font-size:clamp(16px,1.5vw,19px);
 color:var(--brand-dark);font-weight:700;line-height:1.6;
}
.hero-lead{margin-top:16px;font-size:15.5px;color:var(--ink-2);line-height:1.95;max-width:610px}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-top:28px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-points li{
 font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
 padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-xs);
}

/* 演示面板 */
.demo-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:20px;box-shadow:var(--shadow);position:relative;
}
.demo-card::before{
 content:"";position:absolute;inset:-1px -1px auto -1px;height:4px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
 background:linear-gradient(90deg,var(--brand),var(--accent));
}
.demo-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.dot-row{display:flex;gap:5px}
.dot-row i{width:9px;height:9px;border-radius:50%;background:#e2ded7;display:block}
.dot-row i:first-child{background:var(--brand)}
.dot-row i:nth-child(2){background:var(--accent)}
.demo-title{font-size:14px;font-weight:700;color:var(--ink)}
.demo-live{
 margin-left:auto;font-size:11.5px;font-weight:700;color:#1f8a5b;
 background:#eafaf1;border:1px solid #c7ecd8;padding:2px 10px;border-radius:999px;
}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;padding:14px 0 6px}
.demo-tabs span{
 font-size:12.5px;color:var(--muted);background:#f6f4ef;border:1px solid var(--line);
 padding:4px 12px;border-radius:999px;
}
.demo-tabs span.active{background:var(--ink);color:#fff;border-color:var(--ink)}
.demo-list{display:flex;flex-direction:column;gap:2px;margin-top:6px}
.demo-list li{
 display:flex;align-items:center;gap:12px;padding:11px 10px;border-radius:var(--radius-sm);
 transition:background .2s ease;
}
.demo-list li:hover{background:#faf8f4}
.demo-idx{
 font-size:12px;font-weight:800;color:var(--brand);background:var(--brand-soft);
 width:28px;height:28px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
}
.demo-list li div{min-width:0;flex:1}
.demo-list li b{display:block;font-size:14px;color:var(--ink);font-weight:700;line-height:1.45}
.demo-list li em{font-style:normal;font-size:12.5px;color:var(--muted)}
.demo-foot{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px;padding-top:16px;border-top:1px dashed var(--line)}
.demo-metric{text-align:center}
.demo-metric b{display:block;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.4px}
.demo-metric span{font-size:12px;color:var(--muted)}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section-sm{padding:56px 0}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-head h2{font-size:clamp(23px,2.6vw,32px);letter-spacing:-.6px}
.sec-head p{margin-top:13px;color:var(--ink-2);font-size:15.5px;line-height:1.9}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-dark{
 background:linear-gradient(165deg,#1b222f 0%,#0d1017 100%);
 color:#fff;border-radius:var(--radius-xl);padding:66px 0;position:relative;overflow:hidden;
}
.sec-dark::after{
 content:"";position:absolute;inset:auto -10% -60% 40%;height:320px;
 background:radial-gradient(closest-side,rgba(232,69,44,.35),transparent);
}
.sec-dark .sec-head h2{color:#fff}
.sec-dark .sec-head p{color:rgba(255,255,255,.72)}
.sec-dark .sec-tag{background:rgba(255,255,255,.12);color:#ffcf9b}
.sec-dark .container{position:relative;z-index:1}

/* ============ 分组卡片 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cat-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
 display:flex;flex-direction:column;gap:12px;position:relative;overflow:hidden;
}
.cat-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f2cec5}
.cat-card .ico{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:17px;
}
.cat-card h3{font-size:17.5px;letter-spacing:-.2px}
.cat-card p{font-size:14.5px;color:var(--ink-2);line-height:1.85}
.cat-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.cat-card .edge{
 position:absolute;right:-26px;top:-26px;width:88px;height:88px;border-radius:50%;
 background:radial-gradient(closest-side,rgba(245,165,36,.18),transparent);
}

/* ============ 主推专题 ============ */
.feature-wrap{
 display:grid;grid-template-columns:.92fr 1.08fr;gap:40px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
 padding:34px;box-shadow:var(--shadow-sm);
}
.feature-visual{
 border-radius:var(--radius-lg);padding:26px;
 background:
  radial-gradient(320px 180px at 20% 0%, rgba(245,165,36,.28), transparent 65%),
  linear-gradient(160deg,#222a38,#0f131b);
 color:#fff;min-height:298px;display:flex;flex-direction:column;justify-content:space-between;
}
.fv-top{display:flex;align-items:center;gap:10px}
.fv-top span{font-size:12.5px;color:#ffcf9b;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:4px 12px;border-radius:999px}
.fv-big{font-size:40px;font-weight:800;letter-spacing:-1.4px;line-height:1.2}
.fv-big small{display:block;font-size:14px;font-weight:600;color:rgba(255,255,255,.68);letter-spacing:0;margin-top:6px}
.fv-bars{display:flex;align-items:flex-end;gap:9px;height:92px}
.fv-bars i{flex:1;background:linear-gradient(180deg,var(--accent),rgba(232,69,44,.85));border-radius:6px 6px 3px 3px;display:block}
.feature-copy h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.5px}
.feature-copy > p{margin-top:14px;color:var(--ink-2);font-size:15.5px;line-height:1.9}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.check-list li i{color:var(--brand);margin-top:5px;font-size:13px}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ============ 排行 ============ */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{
 display:grid;grid-template-columns:52px 1fr 104px;gap:16px;align-items:center;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 20px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.rank-row:hover{border-color:#f2cec5;box-shadow:var(--shadow-sm);transform:translateX(3px)}
.rank-no{
 font-size:15px;font-weight:800;color:var(--muted);
 font-variant-numeric:tabular-nums;
}
.rank-row:nth-child(1) .rank-no,.rank-row:nth-child(2) .rank-no{color:var(--brand)}
.rank-main{min-width:0}
.rank-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rank-top b{font-size:15.5px;font-weight:700}
.rank-bar{height:7px;border-radius:999px;background:#f1eee8;margin-top:9px;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.rank-val{font-size:14px;font-weight:700;color:var(--ink-2);text-align:right}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.step{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius);padding:22px 18px;transition:background .25s ease,transform .25s ease;
}
.step:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.step b{display:block;font-size:13px;letter-spacing:1px;color:#ffcf9b;margin-bottom:10px}
.step h3{font-size:16px;color:#fff}
.step p{font-size:13.5px;color:rgba(255,255,255,.68);margin-top:8px;line-height:1.8}

/* ============ 场景清单 ============ */
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scene{
 display:flex;gap:16px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:22px 22px;box-shadow:var(--shadow-xs);
 transition:box-shadow .22s ease,transform .22s ease;
}
.scene:hover{box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.scene .num{
 flex-shrink:0;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 background:var(--accent-soft);color:#a4650a;font-weight:800;font-size:14px;
}
.scene h3{font-size:16px}
.scene p{font-size:14.5px;color:var(--ink-2);margin-top:7px;line-height:1.85}

/* ============ 数据条 ============ */
.stat-band{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px;box-shadow:var(--shadow-xs);
}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-1px;color:var(--ink)}
.stat b em{font-style:normal;font-size:15px;font-weight:700;color:var(--brand);margin-left:3px}
.stat span{font-size:13.5px;color:var(--muted);display:block;margin-top:6px}
.stat i{display:block;width:34px;height:3px;border-radius:999px;background:var(--brand);margin-bottom:14px}

/* ============ 订阅清单 ============ */
.sub-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.sub-item{
 display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-sm);padding:16px 18px;transition:border-color .2s ease,background .2s ease;
}
.sub-item:hover{border-color:#f2cec5;background:#fffdfa}
.sub-item .box{
 width:20px;height:20px;border-radius:6px;border:1.5px solid #d9d4cb;flex-shrink:0;
 display:grid;place-items:center;color:#fff;font-size:11px;background:#fff;
}
.sub-item.on .box{background:var(--brand);border-color:var(--brand)}
.sub-item div{min-width:0;flex:1}
.sub-item b{display:block;font-size:14.5px}
.sub-item em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-list details{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list details[open]{border-color:#f2cec5;box-shadow:var(--shadow-sm)}
.faq-list summary{
 list-style:none;cursor:pointer;padding:18px 0;font-size:15.5px;font-weight:700;
 display:flex;align-items:center;gap:12px;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
 content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
 margin-left:auto;font-size:12px;color:var(--muted);transition:transform .25s ease;
}
.faq-list details[open] summary::after{transform:rotate(180deg);color:var(--brand)}
.faq-list .ans{padding:0 0 20px;font-size:14.5px;color:var(--ink-2);line-height:1.9}

/* ============ CTA ============ */
.cta-box{
 background:
  radial-gradient(520px 260px at 88% 0%, rgba(245,165,36,.3), transparent 62%),
  linear-gradient(150deg,#232b3a,#10141c);
 color:#fff;border-radius:var(--radius-xl);padding:56px 46px;
 display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
 box-shadow:var(--shadow-lg);
}
.cta-box h2{font-size:clamp(22px,2.6vw,32px);color:#fff;letter-spacing:-.6px}
.cta-box p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.74);line-height:1.9}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-side{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);padding:24px;
}
.cta-side ul{display:flex;flex-direction:column;gap:14px}
.cta-side li{display:flex;gap:11px;font-size:14px;color:rgba(255,255,255,.82)}
.cta-side li i{color:var(--accent);margin-top:5px;font-size:13px}

/* ============ 页脚 ============ */
.site-footer{background:#12161f;color:rgba(255,255,255,.7);padding:64px 0 26px;margin-top:80px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand b{color:#fff;font-size:16.5px;font-weight:800}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:400px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:16px;letter-spacing:.3px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:38px}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .grid-4{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(3,1fr)}
 .stat-band{grid-template-columns:repeat(2,1fr);gap:24px}
 .feature-wrap{grid-template-columns:1fr;gap:28px}
 .cta-box{grid-template-columns:1fr;padding:44px 32px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:860px){
 .nav-toggle{display:grid}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:10px;box-shadow:var(--shadow);display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 16px;border-radius:14px}
 .nav-links a.active{background:var(--ink);color:#fff}
 .nav-cta{text-align:center;margin-top:4px}
 .sec-dark{border-radius:var(--radius-lg)}
}
@media (max-width:768px){
 .page-hero{padding:126px 0 58px}
 .section{padding:56px 0}
 .grid-2,.scene-list,.sub-list{grid-template-columns:1fr}
 .steps{grid-template-columns:repeat(2,1fr)}
 .rank-row{grid-template-columns:40px 1fr;gap:12px;padding:14px 16px}
 .rank-val{grid-column:2;text-align:left;font-size:13px}
 .cta-box{border-radius:var(--radius-lg);padding:34px 22px}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px}
 body .container{padding-left:16px;padding-right:16px}
 .grid-3,.grid-4,.steps,.stat-band{grid-template-columns:1fr}
 .brand-text em{display:none}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .feature-wrap{padding:20px}
 .demo-card{padding:16px}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:8px}
 .rank-row{grid-template-columns:34px 1fr}
}

/* roulang page: category3 */
/* roulang page: category3 */
:root{
 --brand:#e8452c;
 --brand-dark:#bf3220;
 --brand-soft:#fff0ec;
 --accent:#f5a524;
 --accent-soft:#fff7e8;
 --ink:#151a24;
 --ink-2:#3d4655;
 --muted:#6d7787;
 --line:#e6e3dd;
 --bg:#fbfaf7;
 --card:#ffffff;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:18px;
 --radius-lg:26px;
 --radius-xl:40px;
 --shadow-xs:0 1px 2px rgba(21,26,36,.05);
 --shadow-sm:0 6px 18px -12px rgba(21,26,36,.28);
 --shadow:0 14px 40px -24px rgba(21,26,36,.5);
 --shadow-lg:0 30px 70px -40px rgba(21,26,36,.7);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);color:var(--ink);font-size:16px;line-height:1.8;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ 悬浮胶囊导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 10px}
.nav-pill{
 position:relative;display:flex;align-items:center;gap:16px;
 background:#fff;border:1px solid rgba(21,26,36,.08);
 border-radius:999px;padding:9px 12px 9px 16px;
 box-shadow:0 18px 46px -30px rgba(21,26,36,.75);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(140deg,var(--brand),var(--accent));
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 22px -12px rgba(232,69,44,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 font-size:14.5px;color:var(--ink-2);padding:8px 15px;border-radius:999px;
 transition:background .2s ease,color .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-links a:active{transform:scale(.97)}
.nav-cta{background:var(--brand)!important;color:#fff!important;font-weight:600;box-shadow:0 12px 26px -14px rgba(232,69,44,.95)}
.nav-cta:hover{background:var(--brand-dark)!important}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:999px;
 border:1px solid var(--line);background:#fff;color:var(--ink);
 place-items:center;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;transition:all .22s ease;letter-spacing:.2px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 34px -18px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(232,69,44,.95)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft:hover{background:#ffe2d9}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 通用板块 ============ */
.section{padding:82px 0}
.section-tight{padding:58px 0}
.section-white{background:#fff}
.section-ink{
 background:linear-gradient(160deg,#1b222f 0%,#0d1017 100%);
 color:#fff;border-radius:var(--radius-xl);
}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:700;letter-spacing:1.2px;
 color:var(--brand-dark);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.sec-tag i{font-size:11px}
.section-ink .sec-tag{background:rgba(245,165,36,.16);color:#ffd9a8}
.sec-title{font-size:clamp(23px,2.6vw,34px);font-weight:800;letter-spacing:-.4px;line-height:1.32}
.sec-desc{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.95}
.section-ink .sec-desc{color:rgba(255,255,255,.7)}
.sec-more{margin-top:26px}

/* ============ Hero：帮助中心式居中搜索 ============ */
.hero-help{
 position:relative;overflow:hidden;color:#fff;
 margin-top:-92px;padding:156px 0 86px;
 background:
 radial-gradient(880px 420px at 14% -24%, rgba(245,165,36,.30), transparent 62%),
 radial-gradient(780px 430px at 92% 4%, rgba(232,69,44,.34), transparent 60%),
 linear-gradient(165deg,#1b222f 0%,#0d1017 100%);
 border-radius:0 0 var(--radius-xl) var(--radius-xl);
}
.hero-help::after{
 content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
 background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.hero-center{max-width:860px;margin:0 auto;text-align:center;position:relative;z-index:1}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
 color:#ffd9a8;font-size:13.5px;letter-spacing:.4px;
 padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.hero-help h1{
 font-size:clamp(28px,4.1vw,48px);font-weight:800;letter-spacing:-1px;line-height:1.24;
 text-shadow:0 18px 50px rgba(0,0,0,.4);
}
.hero-sub{margin-top:18px;font-size:clamp(15.5px,1.5vw,18.5px);color:#f7e6dc;font-weight:600}
.hero-lead{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.74);line-height:1.95;max-width:730px;margin-left:auto;margin-right:auto}
.hero-search{
 display:flex;align-items:center;gap:10px;
 margin:30px auto 0;max-width:660px;
 background:#fff;border-radius:999px;padding:8px 8px 8px 22px;
 box-shadow:0 26px 60px -32px rgba(0,0,0,.95);
}
.hero-search>i{color:var(--muted);font-size:15px}
.hero-search input{
 flex:1;border:0;background:transparent;font-size:15px;padding:10px 0;color:var(--ink);min-width:0;
}
.hero-search input::placeholder{color:#9aa2b0}
.hero-search input:focus{outline:none}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.chip-label{font-size:13px;color:rgba(255,255,255,.55);display:inline-flex;align-items:center;padding:6px 4px}
.chip{
 font-size:13.5px;color:rgba(255,255,255,.85);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 padding:6px 14px;border-radius:999px;transition:.2s;
}
.chip:hover{background:rgba(255,255,255,.18);color:#fff;border-color:rgba(255,255,255,.3)}
.hero-foot{
 margin-top:26px;display:flex;flex-wrap:wrap;justify-content:center;gap:26px;
 font-size:13px;color:rgba(255,255,255,.5);
}
.hero-foot span{display:inline-flex;align-items:center;gap:7px}

/* ============ 指标概览 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;box-shadow:var(--shadow-xs);transition:.25s;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f4d7cf}
.stat-card i{font-size:15px;color:var(--brand);margin-bottom:12px;display:block}
.stat-num{font-size:clamp(26px,3vw,34px);font-weight:800;letter-spacing:-.5px;line-height:1.1}
.stat-num small{font-size:15px;font-weight:700;color:var(--muted);margin-left:3px}
.stat-label{margin-top:8px;font-size:14px;color:var(--ink-2);font-weight:600}
.stat-note{margin-top:6px;font-size:12.5px;color:var(--muted)}
.notice-bar{
 margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
 background:var(--accent-soft);border:1px solid #f7e2bb;border-radius:var(--radius);
 padding:16px 20px;font-size:14px;color:#7a5410;
}
.notice-bar i{color:var(--accent)}
.notice-bar b{color:#5c3e08}

/* ============ 分组卡 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.panel{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px 28px;box-shadow:var(--shadow-sm);transition:.25s;height:100%;
}
.panel:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f0d9d2}
.panel-top{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.panel-icon{
 width:44px;height:44px;flex:0 0 44px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:17px;
}
.panel-icon.amber{background:var(--accent-soft);color:#c07f06}
.panel-icon.ink{background:#eef0f4;color:var(--ink)}
.panel h3{font-size:18.5px;font-weight:800;letter-spacing:-.2px}
.panel .panel-sub{font-size:13px;color:var(--muted);margin-top:2px}
.panel p{font-size:14.5px;color:var(--ink-2);line-height:1.9}
.list-check{margin-top:16px;display:grid;gap:10px}
.list-check li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:14px;color:var(--ink-2);line-height:1.72;
}
.list-check li i{color:var(--brand);font-size:12px;margin-top:7px;flex:0 0 auto}
.list-check li b{color:var(--ink);font-weight:700}

/* ============ 场景（左标题 + 右列表） ============ */
.scene-list{display:grid;gap:16px}
.scene-item{
 display:grid;grid-template-columns:52px 1fr;gap:18px;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 24px;box-shadow:var(--shadow-xs);transition:.25s;
}
.scene-item:hover{border-color:#f2d5cc;box-shadow:var(--shadow-sm);transform:translateX(4px)}
.scene-idx{
 width:52px;height:52px;border-radius:var(--radius-sm);display:grid;place-items:center;
 background:linear-gradient(150deg,var(--brand),var(--accent));color:#fff;
 font-weight:800;font-size:17px;box-shadow:0 14px 28px -18px rgba(232,69,44,.95);
}
.scene-item h3{font-size:17px;font-weight:800}
.scene-item p{margin-top:7px;font-size:14.5px;color:var(--ink-2);line-height:1.88}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;font-weight:600;color:var(--ink-2);
 background:#f4f3ef;border:1px solid var(--line);
 padding:4px 11px;border-radius:999px;
}
.tag.brand{background:var(--brand-soft);color:var(--brand-dark);border-color:#f8d8cf}
.tag.amber{background:var(--accent-soft);color:#8a5c06;border-color:#f3e0b6}

/* ============ 排行 / 看板 ============ */
.board{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 26px 20px;box-shadow:var(--shadow-sm);
}
.board-head{display:flex;align-items:baseline;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.board-head h3{font-size:18px;font-weight:800}
.board-head span{font-size:13px;color:var(--muted)}
.rank-list{display:grid;gap:10px}
.rank-row{
 display:grid;grid-template-columns:44px 1fr auto auto;gap:14px;align-items:center;
 padding:13px 16px;border-radius:var(--radius-sm);border:1px solid var(--line);
 background:#fdfdfc;transition:.22s;
}
.rank-row:hover{background:var(--brand-soft);border-color:#f6d4cb;transform:translateX(3px)}
.rank-no{font-weight:800;font-size:15px;color:var(--muted)}
.rank-row:first-child .rank-no{color:var(--brand)}
.rank-name{font-size:14.5px;font-weight:700;color:var(--ink)}
.rank-name em{display:block;font-style:normal;font-weight:400;font-size:12.5px;color:var(--muted);margin-top:2px}
.rank-vol{font-size:14px;font-weight:700;color:var(--ink-2);white-space:nowrap}
.rank-delta{font-size:13px;font-weight:700;white-space:nowrap;padding:3px 10px;border-radius:999px}
.rank-delta.up{color:#1f8b57;background:#e9f7ef}
.rank-delta.down{color:#b3382a;background:#fdecea}
.rank-delta.flat{color:#6d7787;background:#f2f3f5}
.side-note{display:grid;gap:14px}
.side-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 22px;box-shadow:var(--shadow-xs);
}
.side-card h4{font-size:15.5px;font-weight:800;display:flex;align-items:center;gap:9px}
.side-card h4 i{color:var(--brand);font-size:14px}
.side-card p{margin-top:9px;font-size:14px;color:var(--ink-2);line-height:1.9}

/* ============ 案例卡 ============ */
.case-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;height:100%;
 transition:.25s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case-card::before{
 content:"";position:absolute;top:0;left:0;width:100%;height:4px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
}
.case-kpi{font-size:30px;font-weight:800;letter-spacing:-.6px;color:var(--brand);line-height:1.15}
.case-card h3{margin-top:12px;font-size:17px;font-weight:800}
.case-card p{margin-top:10px;font-size:14.5px;color:var(--ink-2);line-height:1.9}
.case-card ul{margin-top:14px;display:grid;gap:8px}
.case-card ul li{font-size:13.5px;color:var(--muted);display:flex;gap:8px}
.case-card ul li i{color:var(--accent);font-size:11px;margin-top:7px}

/* ============ 方案价格 ============ */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.price-card{
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px 26px;display:flex;flex-direction:column;box-shadow:var(--shadow-xs);
 transition:.25s;
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.price-card.featured{
 border-color:#f5c6b9;box-shadow:0 30px 70px -44px rgba(232,69,44,.95);
 background:linear-gradient(180deg,#fff8f5 0%,#fff 38%);
}
.price-badge{
 align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.6px;
 background:var(--brand);color:#fff;padding:4px 12px;border-radius:999px;margin-bottom:12px;
}
.price-card h3{font-size:18px;font-weight:800}
.price-card .price-sub{font-size:13.5px;color:var(--muted);margin-top:6px}
.price-num{margin-top:16px;font-size:34px;font-weight:800;letter-spacing:-1px;color:var(--ink)}
.price-num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.price-list{margin:20px 0 24px;display:grid;gap:10px}
.price-list li{display:flex;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.7}
.price-list li i{color:var(--brand);font-size:12px;margin-top:7px;flex:0 0 auto}
.price-card .btn{margin-top:auto}
.sub-note{
 margin-top:26px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
 border-top:1px dashed var(--line);padding-top:24px;
}
.sub-note div h4{font-size:15px;font-weight:800;display:flex;align-items:center;gap:8px}
.sub-note div h4 i{color:var(--accent);font-size:13px}
.sub-note div p{margin-top:7px;font-size:13.5px;color:var(--muted);line-height:1.85}

/* ============ 口碑 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px 26px;box-shadow:var(--shadow-xs);transition:.25s;height:100%;
}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.quote-mark{font-size:22px;color:var(--brand);opacity:.85}
.quote-card p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.95}
.quote-who{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;gap:12px}
.quote-avatar{
 width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
 background:var(--ink);color:#fff;font-weight:700;font-size:15px;
}
.quote-who b{display:block;font-size:14.5px}
.quote-who em{font-style:normal;font-size:12.5px;color:var(--muted)}

/* ============ 资讯列表 ============ */
.news-list{display:grid;gap:14px}
.news-item{
 display:grid;grid-template-columns:104px 1fr auto;gap:20px;align-items:center;
 background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;box-shadow:var(--shadow-xs);transition:.25s;
}
.news-item:hover{border-color:#f2d5cc;box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.news-date{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.3px}
.news-item h3{font-size:16px;font-weight:800;line-height:1.5}
.news-item p{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.85}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.news-arrow{color:var(--muted);font-size:15px}
.news-item:hover .news-arrow{color:var(--brand)}

/* ============ 转化条 ============ */
.cta-band{
 background:linear-gradient(150deg,#1b222f 0%,#0d1017 100%);
 color:#fff;border-radius:var(--radius-xl);
 padding:56px 48px;display:grid;grid-template-columns:1.25fr .75fr;
 gap:34px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::before{
 content:"";position:absolute;top:-90px;right:-60px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,rgba(232,69,44,.45),transparent 66%);
}
.cta-band h2{font-size:clamp(22px,2.5vw,31px);font-weight:800;letter-spacing:-.4px;line-height:1.36;position:relative}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.74);line-height:1.95;position:relative}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative}

/* ============ 页脚 ============ */
.site-footer{
 margin-top:84px;background:#101620;color:rgba(255,255,255,.72);
 padding:62px 0 26px;border-radius:var(--radius-xl) var(--radius-xl) 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:15px}
.site-footer p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.62)}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.64);transition:.2s}
.footer-col a:hover{color:#fff;padding-left:3px}
.footer-bottom{
 margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
 font-size:13px;color:rgba(255,255,255,.46);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .grid-3{grid-template-columns:repeat(2,1fr)}
 .price-grid{grid-template-columns:1fr;gap:18px}
 .quote-grid{grid-template-columns:repeat(2,1fr)}
 .grid-2{grid-template-columns:1fr;gap:26px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .cta-band{grid-template-columns:1fr;padding:46px 34px}
 .sub-note{grid-template-columns:1fr}
}
@media (max-width:900px){
 .nav-toggle{display:grid}
 .nav-links{
  position:absolute;top:calc(100% + 12px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  padding:12px;box-shadow:0 26px 60px -34px rgba(21,26,36,.8);
  display:none;
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 16px;text-align:left}
 .nav-links .nav-cta{text-align:center}
}
@media (max-width:768px){
 .section{padding:62px 0}
 .hero-help{padding:140px 0 66px;margin-top:-88px}
 .hero-search{border-radius:22px;padding:12px 16px;flex-wrap:wrap}
 .hero-search input{flex:1 1 100%;order:2}
 .hero-search>i{order:1}
 .hero-search .btn{order:3;width:100%}
 .news-item{grid-template-columns:1fr;gap:10px}
 .news-date{order:-1}
 .rank-row{grid-template-columns:36px 1fr auto;gap:10px}
 .rank-delta{grid-column:3;justify-self:end}
 .rank-name em{display:none}
 .cta-band{padding:38px 24px;border-radius:var(--radius-lg)}
 .site-footer{border-radius:var(--radius-lg) var(--radius-lg) 0 0}
}
@media (max-width:560px){
 .stat-grid{grid-template-columns:1fr}
 .grid-3{grid-template-columns:1fr}
 .quote-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .scene-item{grid-template-columns:1fr;gap:12px}
 .scene-idx{width:44px;height:44px;font-size:15px}
 .brand-text em{display:none}
 .hero-chips{gap:8px}
 .chip{font-size:12.5px;padding:6px 12px}
 .panel,.price-card,.quote-card,.case-card{padding:24px 20px}
 .news-item{padding:18px 18px}
}

/* roulang page: category2 */
:root{
 --brand:#e8452c;
 --brand-dark:#bf3220;
 --brand-soft:#fff0ec;
 --accent:#f5a524;
 --accent-soft:#fff7e8;
 --ink:#151a24;
 --ink-2:#3d4655;
 --muted:#6d7787;
 --line:#e6e3dd;
 --bg:#fbfaf7;
 --card:#ffffff;
 --radius-xs:10px;
 --radius-sm:14px;
 --radius:18px;
 --radius-lg:26px;
 --radius-xl:40px;
 --shadow-xs:0 1px 2px rgba(21,26,36,.05);
 --shadow-sm:0 6px 18px -12px rgba(21,26,36,.28);
 --shadow:0 14px 40px -24px rgba(21,26,36,.5);
 --shadow-lg:0 30px 70px -40px rgba(21,26,36,.7);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--ink);
 line-height:1.78;
 font-size:16px;
 -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid rgba(232,69,44,.5);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 10px}
.nav-pill{
 position:relative;display:flex;align-items:center;gap:16px;
 background:#fff;border:1px solid rgba(21,26,36,.08);
 border-radius:999px;padding:9px 12px 9px 16px;
 box-shadow:0 18px 46px -30px rgba(21,26,36,.75);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:12px;
 background:linear-gradient(140deg,var(--brand),var(--accent));
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;
 box-shadow:0 10px 22px -12px rgba(232,69,44,.95);
}
.brand-text{display:flex;flex-direction:column;line-height:1.14}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.2px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.5px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
 font-size:14.5px;color:var(--ink-2);padding:8px 15px;border-radius:999px;
 transition:background .2s ease,color .2s ease,transform .2s ease;white-space:nowrap;
}
.nav-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav-links a.active{background:var(--ink);color:#fff}
.nav-links a:active{transform:scale(.97)}
.nav-cta{background:var(--brand)!important;color:#fff!important;font-weight:600;box-shadow:0 12px 26px -14px rgba(232,69,44,.95)}
.nav-cta:hover{background:var(--brand-dark)!important}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:999px;
 border:1px solid var(--line);background:#fff;color:var(--ink);
 place-items:center;cursor:pointer;transition:.2s;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 首屏 ============ */
.hero{
 position:relative;overflow:hidden;color:#fff;
 margin-top:-90px;padding:158px 0 76px;
 background:
 radial-gradient(880px 420px at 12% -22%, rgba(245,165,36,.28), transparent 62%),
 radial-gradient(760px 420px at 96% 6%, rgba(232,69,44,.34), transparent 60%),
 linear-gradient(165deg,#1b222f 0%,#0d1017 100%);
 border-radius:0 0 var(--radius-xl) var(--radius-xl);
}
.hero::after{
 content:"";position:absolute;inset:auto 0 0 0;height:1px;
 background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.hero-grid{
 position:relative;z-index:1;
 display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
 gap:46px;align-items:center;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
 color:#ffd9a8;font-size:13.5px;letter-spacing:.4px;
 padding:7px 16px;border-radius:999px;margin-bottom:22px;
}
.hero h1{
 font-size:clamp(29px,4vw,46px);font-weight:800;letter-spacing:-1px;line-height:1.24;
 text-shadow:0 18px 50px rgba(0,0,0,.4);
}
.hero-sub{
 margin-top:18px;font-size:clamp(15.5px,1.5vw,18.5px);color:#f7e6dc;
 font-weight:600;letter-spacing:.2px;
}
.hero-lead{margin-top:18px;font-size:15.5px;color:rgba(255,255,255,.76);line-height:1.95;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-points li{
 font-size:13.5px;color:rgba(255,255,255,.82);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
 padding:6px 14px;border-radius:999px;
}
.hero-stats{
 position:relative;z-index:1;
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
 gap:18px;margin-top:52px;padding-top:30px;
 border-top:1px solid rgba(255,255,255,.14);
}
.hero-stats b{display:block;font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:-1px;color:#fff}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.3px}

/* 代码面板 */
.code-panel{
 background:rgba(10,13,20,.86);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);
 box-shadow:0 40px 80px -46px rgba(0,0,0,.95);
 overflow:hidden;backdrop-filter:blur(6px);
}
.code-bar{
 display:flex;align-items:center;gap:12px;
 padding:13px 18px;border-bottom:1px solid rgba(255,255,255,.1);
 background:rgba(255,255,255,.04);
}
.code-dots{display:flex;gap:6px}
.code-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
.code-dots i:first-child{background:#e8452c}
.code-dots i:nth-child(2){background:#f5a524}
.code-title{font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.4px}
.code-live{
 margin-left:auto;font-size:11.5px;font-weight:700;letter-spacing:.6px;
 color:#7ee0a5;background:rgba(126,224,165,.12);
 border:1px solid rgba(126,224,165,.3);padding:3px 10px;border-radius:999px;
}
.code-body{
 margin:0;padding:20px 20px 22px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
 font-size:12.8px;line-height:1.9;color:#dfe6f2;white-space:pre;overflow-x:auto;
}
.code-body code{font-family:inherit}
.code-meta{
 display:flex;flex-wrap:wrap;gap:16px;
 padding:13px 20px 16px;border-top:1px solid rgba(255,255,255,.1);
 font-size:12.5px;color:rgba(255,255,255,.55);
}
.code-meta i{color:var(--accent);margin-right:6px}

/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 border-radius:999px;padding:13px 26px;font-size:15px;font-weight:600;
 border:1px solid transparent;cursor:pointer;transition:all .22s ease;letter-spacing:.2px;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 16px 34px -18px rgba(232,69,44,.95)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 22px 40px -18px rgba(232,69,44,.95)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-2px)}
.btn-soft{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft:hover{background:#ffe2d9}
.btn:active{transform:translateY(0) scale(.985)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ============ 板块通用 ============ */
.section{padding:84px 0;position:relative}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-tag{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:700;letter-spacing:1.2px;
 color:var(--brand-dark);background:var(--brand-soft);
 padding:5px 13px;border-radius:999px;margin-bottom:14px;
}
.sec-tag i{font-size:11px}
.sec-ink .sec-tag{background:rgba(255,255,255,.12);color:#ffd9a8}
.sec-head{max-width:760px;margin-bottom:42px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(23px,2.8vw,33px);font-weight:800;letter-spacing:-.7px;line-height:1.32}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.92}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ 卡片 ============ */
.card{
 position:relative;height:100%;
 background:var(--card);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px;
 box-shadow:var(--shadow-sm);
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
 overflow:hidden;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:#f1cfc7}
.card h3{font-size:17.5px;font-weight:800;letter-spacing:-.2px;line-height:1.45}
.card p{margin-top:11px;font-size:14.5px;color:var(--muted);line-height:1.88}
.card-ico{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-dark);font-size:18px;margin-bottom:16px;
}
.card-ico.amber{background:var(--accent-soft);color:#a8660a}
.card-ico.ink{background:#eef0f4;color:var(--ink)}
.card-foot{margin-top:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tier::before{
 content:"";position:absolute;inset:0 0 auto 0;height:4px;
 background:linear-gradient(90deg,var(--brand),var(--accent));
}
.tier-a::before{background:linear-gradient(90deg,var(--accent),#f8d184)}
.tier-b::before{background:linear-gradient(90deg,#3d4655,#8b95a7)}

/* ============ 徽章 / 标签 ============ */
.badge{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-dark);
 border:1px solid rgba(232,69,44,.16);
}
.badge-ink{background:#eef0f4;color:var(--ink-2);border-color:var(--line)}
.badge-amber{background:var(--accent-soft);color:#a8660a;border-color:rgba(245,165,36,.3)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
 font-size:13px;color:var(--ink-2);background:#fff;
 border:1px solid var(--line);border-radius:999px;padding:7px 15px;
 transition:.2s;
}
.tag:hover{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft)}

/* ============ 清单 ============ */
.check-list li{
 display:flex;gap:12px;align-items:flex-start;
 padding:13px 0;border-top:1px dashed var(--line);font-size:15px;color:var(--ink-2);
}
.check-list li:first-child{border-top:0}
.check-list i{color:var(--brand);margin-top:4px;font-size:14px}
.panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px;box-shadow:var(--shadow-sm);height:100%;
}

/* ============ 排行 ============ */
.rank{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 overflow:hidden;box-shadow:var(--shadow-sm);
}
.rank-head{
 display:grid;grid-template-columns:46px 1fr 160px 64px;gap:14px;align-items:center;
 padding:14px 24px;background:#f7f5f1;border-bottom:1px solid var(--line);
 font-size:12.5px;font-weight:700;letter-spacing:.8px;color:var(--muted);
}
.rank-row{
 display:grid;grid-template-columns:46px 1fr 160px 64px;gap:14px;align-items:center;
 padding:17px 24px;border-top:1px solid var(--line);transition:background .2s ease;
}
.rank-row:first-of-type{border-top:0}
.rank-row:hover{background:var(--brand-soft)}
.rank-no{font-weight:800;font-size:15px;color:var(--muted)}
.rank-row.top .rank-no{color:var(--brand)}
.rank-main b{display:block;font-size:15.5px;font-weight:700}
.rank-main span{font-size:13px;color:var(--muted)}
.rank-bar{height:8px;border-radius:999px;background:#f0eee9;overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.rank-val{font-size:15px;font-weight:800;color:var(--ink);text-align:right}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
 position:relative;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px;box-shadow:var(--shadow-xs);
 transition:transform .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-sm)}
.step-no{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
 background:var(--ink);color:#fff;font-weight:800;font-size:14px;margin-bottom:14px;
}
.step h3{font-size:16px;font-weight:800}
.step p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.85}

/* ============ 演示面板 ============ */
.demo{
 background:linear-gradient(160deg,#1b222f,#0e1219);
 border-radius:var(--radius-lg);padding:26px;color:#fff;
 box-shadow:var(--shadow-lg);border:1px solid rgba(255,255,255,.08);
}
.demo-bar{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid rgba(255,255,255,.12)}
.demo-title{font-size:15px;font-weight:700;letter-spacing:.3px}
.demo-title i{color:var(--accent);margin-right:8px}
.demo-live{
 margin-left:auto;font-size:12px;color:#7ee0a5;
 background:rgba(126,224,165,.12);border:1px solid rgba(126,224,165,.3);
 padding:3px 11px;border-radius:999px;
}
.demo-list{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.demo-row{
 display:grid;grid-template-columns:34px 1fr auto;gap:14px;align-items:center;
 padding:14px 16px;border-radius:var(--radius-sm);
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
 transition:background .2s ease,transform .2s ease;
}
.demo-row:hover{background:rgba(255,255,255,.1);transform:translateX(3px)}
.demo-idx{font-size:13px;font-weight:800;color:var(--accent)}
.demo-row b{display:block;font-size:14.5px;font-weight:600;color:#fff}
.demo-row span.sub{font-size:12.5px;color:rgba(255,255,255,.5)}
.demo-heat{font-size:13px;font-weight:700;color:#ffd9a8;white-space:nowrap}

/* ============ 案例 ============ */
.case{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:28px;box-shadow:var(--shadow-sm);height:100%;
 display:flex;flex-direction:column;gap:14px;
 transition:transform .25s ease,box-shadow .25s ease;
}
.case:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.case h3{font-size:17px;font-weight:800}
.case p{font-size:14.5px;color:var(--muted);line-height:1.88}
.case-metric{display:flex;gap:24px;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line)}
.case-metric b{display:block;font-size:20px;font-weight:800;color:var(--brand);letter-spacing:-.6px}
.case-metric span{font-size:12.5px;color:var(--muted)}

/* ============ 价格 ============ */
.price{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:30px;box-shadow:var(--shadow-sm);
 display:flex;flex-direction:column;gap:18px;height:100%;
 transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.price:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.price.hot{border-color:var(--brand);box-shadow:0 32px 70px -44px rgba(232,69,44,.9)}
.price-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.price-name{font-size:17px;font-weight:800}
.price-amount{font-size:34px;font-weight:800;letter-spacing:-1.2px;color:var(--ink)}
.price-amount small{font-size:14px;font-weight:600;color:var(--muted);letter-spacing:0;margin-left:4px}
.price-desc{font-size:13.5px;color:var(--muted);line-height:1.8}
.price ul{display:flex;flex-direction:column;gap:2px}
.price li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);padding:7px 0}
.price li i{color:var(--brand);margin-top:5px;font-size:13px}
.price .btn{width:100%;margin-top:auto}

/* ============ 资讯 ============ */
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}
.news-item{
 display:grid;grid-template-columns:104px 1fr auto;gap:20px;align-items:center;
 padding:22px 26px;border-top:1px solid var(--line);transition:background .2s ease;
}
.news-item:first-child{border-top:0}
.news-item:hover{background:var(--brand-soft)}
.news-date{font-size:12.5px;color:var(--muted);letter-spacing:.4px}
.news-item h3{font-size:16px;font-weight:700;line-height:1.6}
.news-item p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.82}
.news-more{font-size:13.5px;color:var(--brand-dark);font-weight:600;white-space:nowrap}
.news-more i{font-size:11px;margin-left:4px;transition:transform .2s}
.news-item:hover .news-more i{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 background:
 radial-gradient(600px 300px at 88% 0%, rgba(245,165,36,.26), transparent 62%),
 linear-gradient(150deg,#1b222f,#0d1017);
 color:#fff;border-radius:var(--radius-xl);padding:56px;
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(23px,2.8vw,33px);font-weight:800;letter-spacing:-.7px;line-height:1.32;max-width:620px}
.cta-band p{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.74);line-height:1.92;max-width:660px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-notes{display:flex;flex-wrap:wrap;gap:18px;margin-top:26px;font-size:13.5px;color:rgba(255,255,255,.6)}
.cta-notes span i{color:var(--accent);margin-right:7px}

/* ============ 页脚 ============ */
.site-footer{background:#111722;color:rgba(255,255,255,.7);margin-top:80px;padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-grid p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:370px}
.footer-col h4{font-size:13.5px;color:#fff;letter-spacing:.6px;margin-bottom:14px;font-weight:700}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
 font-size:13px;color:rgba(255,255,255,.45);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px}
 .hero-lead{max-width:100%}
 .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
 .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
 .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
}
@media (max-width:900px){
 .nav-toggle{display:grid}
 .nav-links{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:6px;
  margin:0;padding:12px;background:#fff;border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow);
 }
 .nav-links.open{display:flex}
 .nav-links a{padding:12px 16px;border-radius:14px;font-size:15px}
 .hero{margin-top:-84px;padding:146px 0 62px;border-radius:0 0 var(--radius-lg) var(--radius-lg)}
 .section{padding:64px 0}
 .cta-band{padding:38px 24px;border-radius:var(--radius-lg)}
 .rank-head{display:none}
 .rank-row{grid-template-columns:40px 1fr auto;gap:12px;padding:16px 18px}
 .rank-bar{display:none}
 .news-item{grid-template-columns:1fr;gap:8px;padding:20px}
 .news-more{justify-self:start}
}
@media (max-width:720px){
 .g-2,.g-3,.g-4{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
 .brand-text em{display:none}
 .code-body{font-size:12px;padding:16px}
}
@media (max-width:520px){
 body{font-size:15.5px}
 .container{padding:0 16px}
 .nav-pill{padding:8px 10px 8px 12px}
 .brand-text b{font-size:15px}
 .hero{padding:132px 0 54px}
 .hero-stats{grid-template-columns:1fr 1fr}
 .footer-grid{grid-template-columns:1fr}
 .cta-band h2{font-size:22px}
 .btn{padding:12px 20px;font-size:14.5px}
 .panel{padding:22px}
 .card{padding:22px}
}