/* roulang page: index */
:root{
  --brand:#0f5c66;
  --brand-deep:#0a3f47;
  --brand-soft:#e6f1f2;
  --accent:#f2833a;
  --accent-soft:#fdeee2;
  --ink:#14212b;
  --ink-2:#334452;
  --muted:#6b7c8a;
  --line:#e2e8ee;
  --bg:#f5f7f9;
  --surface:#ffffff;
  --dark:#0d1b23;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 8px rgba(16,38,50,.06);
  --shadow:0 12px 30px rgba(16,38,50,.08);
  --shadow-l:0 24px 60px rgba(16,38,50,.12);
  --sp:24px;
  --topbar-h:64px;
  --sidebar-w:268px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:15.5px;
  line-height:1.8;
  letter-spacing:.1px;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(242,131,58,.55);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--accent);color:#fff;}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
}
.topbar__inner{
  width:100%;display:flex;align-items:center;gap:18px;
  padding:0 22px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,#17818d 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(15,92,102,.28);
}
.brand__name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
.brand__sub{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:1.4px;line-height:1.2;}
.topsearch{
  flex:1 1 auto;max-width:440px;position:relative;
}
.topsearch i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--muted);font-size:14px;pointer-events:none;
}
.topsearch input{
  width:100%;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#f2f5f7;padding:0 14px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.topsearch input::placeholder{color:#9aa9b5;}
.topsearch input:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,92,102,.12);outline:none;
}
.topnav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.topnav a{
  padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease;
}
.topnav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.topnav a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,92,102,.22);}
.topmeta{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);}
.menubtn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:16px;align-items:center;justify-content:center;
}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:var(--topbar-h);left:0;bottom:0;width:var(--sidebar-w);
  background:#fff;border-right:1px solid var(--line);
  padding:22px 16px 40px;overflow-y:auto;z-index:1030;
}
.sidebar::-webkit-scrollbar{width:6px;}
.sidebar::-webkit-scrollbar-thumb{background:#d7e0e6;border-radius:6px;}
.side__label{
  font-size:11.5px;font-weight:800;letter-spacing:1.6px;color:#93a4b0;
  text-transform:uppercase;margin:0 0 10px 12px;
}
.side__group + .side__group{margin-top:26px;padding-top:22px;border-top:1px dashed var(--line);}
.side__link{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.side__link i{font-size:13px;color:#8fa2b0;width:16px;text-align:center;transition:color .18s ease;}
.side__link:hover{background:#f2f7f7;color:var(--brand-deep);transform:translateX(2px);}
.side__link:hover i{color:var(--brand);}
.side__link.is-active{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(15,92,102,.2);}
.side__link.is-active i{color:#fff;}
.side__note{
  margin-top:26px;padding:16px;border-radius:var(--radius);
  background:linear-gradient(150deg,#eef6f6,#fdf3ea);
  border:1px solid #dfecec;
}
.side__note b{display:block;font-size:13.5px;margin-bottom:6px;}
.side__note p{font-size:12.5px;color:var(--muted);line-height:1.7;}

.backdrop{
  position:fixed;inset:var(--topbar-h) 0 0 0;background:rgba(13,27,35,.42);
  z-index:1020;opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.backdrop.show{opacity:1;visibility:visible;}

/* ---------- 页面主体 ---------- */
.page{margin-left:var(--sidebar-w);padding-top:var(--topbar-h);}
.wrap{max-width:1140px;margin:0 auto;padding:0 26px;}
.sec{padding:64px 0;}
.sec--tight{padding:48px 0;}
.sec--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec--dark{background:var(--dark);color:#c9d6de;border:none;}
.sec--dark h2,.sec--dark h3{color:#fff;}
.sec--dark p{color:#a8bac6;}

.sec-head{max-width:760px;margin-bottom:34px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--brand);
  background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.sec--dark .eyebrow{background:rgba(242,131,58,.16);color:#f6b280;}
.sec-head h2{font-size:31px;line-height:1.4;margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.sec--dark .sec-head p{color:#9fb2bf;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1100px 460px at 88% -12%,rgba(15,92,102,.16),transparent 62%),
    radial-gradient(760px 380px at 6% 108%,rgba(242,131,58,.14),transparent 60%),
    #fff;
  border-bottom:1px solid var(--line);
  padding:56px 0 62px;
}
.hero__grid{
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:46px;align-items:center;
}
.hero__badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--ink-2);
}
.pill--accent{background:var(--accent-soft);border-color:#f6dcc7;color:#b45f1c;}
.hero h1{
  font-size:40px;line-height:1.32;letter-spacing:-.6px;margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;color:var(--brand);
  background:linear-gradient(180deg,transparent 62%,rgba(242,131,58,.32) 62%);
  padding:0 2px;
}
.hero__lead{font-size:16.5px;color:var(--ink-2);line-height:1.9;max-width:620px;}
.hero__sub{
  margin-top:14px;font-size:15px;font-weight:700;color:var(--brand-deep);
  display:flex;align-items:center;gap:8px;
}
.hero__sub i{color:var(--accent);}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;
  font-size:13px;color:var(--muted);font-weight:600;
}
.hero__meta span{display:inline-flex;align-items:center;gap:7px;}
.hero__meta i{color:var(--brand);}

.btn-brand{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  background:linear-gradient(140deg,var(--brand) 0%,#158190 100%);
  color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 12px 26px rgba(15,92,102,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,92,102,.32);filter:brightness(1.04);}
.btn-brand:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 22px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-weight:700;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-weight:600;font-size:14px;
  transition:border-color .2s ease,color .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-deep);}

/* ---------- 代码卡 ---------- */
.code-card{
  border-radius:var(--radius-l);overflow:hidden;background:var(--dark);
  border:1px solid #1b2f3a;box-shadow:var(--shadow-l);
}
.code-card__bar{
  display:flex;align-items:center;gap:8px;
  padding:12px 18px;background:#132430;border-bottom:1px solid #1d3440;
}
.dot{width:10px;height:10px;border-radius:50%;background:#2f4a58;}
.dot--o{background:#f2833a;}
.dot--g{background:#1f9c8a;}
.code-card__title{margin-left:8px;font-size:12.5px;color:#8ba3b1;font-weight:600;letter-spacing:.6px;}
.code-card pre{
  margin:0;padding:22px 20px;font-size:13.2px;line-height:1.95;
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  color:#cfe0e8;white-space:pre-wrap;word-break:break-word;
}
.c-key{color:#79c7d6;}
.c-str{color:#f0b27a;}
.c-num{color:#a4d18c;}
.c-cmt{color:#6d8492;}
.c-ok{color:#54cfb6;font-weight:700;}
.code-card__foot{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  padding:14px 20px;background:#12222c;border-top:1px solid #1d3440;
  font-size:12.5px;color:#8ba3b1;font-weight:600;
}
.code-card__foot i{color:#54cfb6;margin-right:5px;}

/* ---------- 数据条 ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-s);
}
.metric{
  background:#fff;padding:26px 22px;
  transition:background .2s ease,transform .2s ease;
}
.metric:hover{background:#f8fbfb;}
.metric__num{
  font-size:33px;font-weight:800;color:var(--brand);letter-spacing:-1px;
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.metric__num small{font-size:15px;font-weight:700;margin-left:3px;color:var(--ink-2);letter-spacing:0;}
.metric__label{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.65;}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-6{grid-template-columns:repeat(3,minmax(0,1fr));}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0e2;}
.card__icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;margin-bottom:16px;
  transition:background .22s ease,color .22s ease;
}
.card:hover .card__icon{background:var(--brand);color:#fff;}
.card h3{font-size:17.5px;margin-bottom:9px;}
.card p{font-size:14.2px;color:var(--muted);line-height:1.82;}
.card__tag{
  display:inline-block;margin-top:14px;font-size:12px;font-weight:700;
  color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:6px;
}

.sec--dark .card{background:#12232d;border-color:#1d3440;}
.sec--dark .card:hover{border-color:#2a4a58;box-shadow:0 20px 44px rgba(0,0,0,.3);}
.sec--dark .card h3{color:#fff;}
.sec--dark .card p{color:#9fb2bf;}
.sec--dark .card__icon{background:rgba(242,131,58,.14);color:#f6b280;}
.sec--dark .card:hover .card__icon{background:var(--accent);color:#fff;}

/* ---------- 场景列表 ---------- */
.scene-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.scene{
  display:flex;gap:16px;padding:22px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.scene:hover{border-color:var(--brand);box-shadow:var(--shadow-s);transform:translateY(-3px);}
.scene__no{
  flex:0 0 40px;height:40px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:14px;color:var(--brand);
  background:var(--brand-soft);font-variant-numeric:tabular-nums;
}
.scene h3{font-size:16px;margin-bottom:7px;}
.scene p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ---------- 专题索引 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.topic{
  position:relative;border-radius:var(--radius);padding:24px 22px 22px;
  background:linear-gradient(160deg,#fff 0%,#f7fbfb 100%);
  border:1px solid var(--line);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.topic:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#cfe0e2;}
.topic:hover::before{transform:scaleX(1);}
.topic__k{
  font-size:11.5px;font-weight:800;letter-spacing:1.4px;color:var(--accent);margin-bottom:10px;
}
.topic h3{font-size:16.5px;margin-bottom:8px;}
.topic p{font-size:13.6px;color:var(--muted);line-height:1.8;}
.topic__foot{
  margin-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:#93a4b0;font-weight:600;
}
.topic__foot i{color:var(--brand);}

/* ---------- 方案对比表 ---------- */
.plan-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-s);}
table.plan{width:100%;border-collapse:collapse;min-width:720px;}
table.plan th,table.plan td{
  padding:16px 20px;border-bottom:1px solid var(--line);font-size:14px;text-align:left;vertical-align:top;
}
table.plan thead th{
  background:#f4f8f8;font-size:14.5px;font-weight:800;color:var(--ink);white-space:nowrap;
}
table.plan thead th:first-child{color:var(--ink-2);font-size:13px;letter-spacing:.5px;}
table.plan tbody tr:last-child td{border-bottom:none;}
table.plan tbody tr:hover td{background:#fafcfc;}
table.plan td:first-child{color:var(--ink-2);font-weight:700;white-space:nowrap;}
table.plan td i{color:var(--brand);margin-right:6px;font-size:13px;}
.plan-hot{position:relative;}
.plan-hot::after{
  content:"推荐";position:absolute;top:8px;right:12px;
  font-size:11px;font-weight:800;color:#fff;background:var(--accent);
  padding:3px 8px;border-radius:999px;letter-spacing:.5px;
}

/* ---------- 演示台 ---------- */
.demo{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:22px;align-items:stretch;
}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;height:100%;
}
.panel__title{
  font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--muted);
  margin-bottom:18px;
}
.steps li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line);
}
.steps li:last-child{border-bottom:none;padding-bottom:0;}
.steps li:first-child{padding-top:0;}
.steps__n{
  flex:0 0 28px;height:28px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.steps b{display:block;font-size:15px;margin-bottom:5px;}
.steps span{font-size:13.6px;color:var(--muted);line-height:1.78;}
.preview{
  background:#0d1b23;border-color:#1d3440;
}
.preview .panel__title{color:#8ba3b1;}
.feed-item{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:13px 14px;border-radius:10px;background:#132430;margin-bottom:10px;
  font-size:13.4px;color:#cfe0e8;
  transition:background .2s ease,transform .2s ease;
}
.feed-item:hover{background:#183040;transform:translateX(3px);}
.feed-item span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.feed-item em{
  font-style:normal;flex:0 0 auto;font-size:11.5px;font-weight:700;
  padding:3px 9px;border-radius:999px;background:rgba(84,207,182,.16);color:#54cfb6;
}
.feed-item em.warn{background:rgba(242,131,58,.18);color:#f6b280;}

/* ---------- 资质墙 ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.trust{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.trust:hover{transform:translateY(-3px);box-shadow:var(--shadow-s);border-color:#cfe0e2;}
.trust i{font-size:22px;color:var(--brand);margin-bottom:12px;display:block;}
.trust b{display:block;font-size:14.5px;margin-bottom:6px;}
.trust span{font-size:12.8px;color:var(--muted);line-height:1.7;}
.partner-row{
  display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:12px;margin-top:22px;
}
.partner{
  padding:16px 10px;border-radius:var(--radius-s);background:#fff;border:1px solid var(--line);
  text-align:center;font-size:13px;font-weight:700;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.partner:hover{border-color:var(--brand);color:var(--brand-deep);background:#f7fbfb;}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;position:relative;}
.flow__item{position:relative;padding:0 16px 0 0;}
.flow__dot{
  width:34px;height:34px;border-radius:50%;background:#fff;border:2px solid var(--brand);
  color:var(--brand);font-weight:800;font-size:13.5px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
  position:relative;z-index:2;font-variant-numeric:tabular-nums;
}
.flow__item::after{
  content:"";position:absolute;top:17px;left:34px;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(15,92,102,.15));
}
.flow__item:last-child::after{display:none;}
.flow__item h3{font-size:15.5px;margin-bottom:8px;}
.flow__item p{font-size:13.4px;color:var(--muted);line-height:1.78;padding-right:6px;}

/* ---------- 案例 ---------- */
.case{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 26px;height:100%;
  transition:box-shadow .22s ease,transform .22s ease;
}
.case:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.case__top{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.case__avatar{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.case__top b{display:block;font-size:15.5px;}
.case__top span{font-size:12.8px;color:var(--muted);}
.case__row{display:flex;gap:12px;margin-bottom:12px;}
.case__row strong{
  flex:0 0 52px;font-size:12.5px;color:var(--brand);font-weight:800;padding-top:2px;
}
.case__row p{font-size:14px;color:var(--ink-2);line-height:1.8;}
.case__result{
  margin-top:16px;padding:16px 18px;border-radius:var(--radius);
  background:linear-gradient(140deg,#eef6f6,#fdf3ea);border:1px solid #e2eeee;
  display:flex;flex-wrap:wrap;gap:20px;
}
.case__result div b{font-size:21px;color:var(--brand);font-weight:800;font-variant-numeric:tabular-nums;}
.case__result div span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;}

/* ---------- 口碑 ---------- */
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;height:100%;position:relative;
  transition:box-shadow .2s ease,transform .2s ease;
}
.voice:hover{box-shadow:var(--shadow-s);transform:translateY(-3px);}
.voice__mark{font-size:26px;color:var(--accent);line-height:1;margin-bottom:12px;}
.voice p{font-size:14.2px;color:var(--ink-2);line-height:1.85;}
.voice__who{
  display:flex;align-items:center;gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
}
.voice__who span{
  width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.voice__who b{font-size:13.6px;display:block;}
.voice__who em{font-style:normal;font-size:12.2px;color:var(--muted);}

/* ---------- 观点 ---------- */
.insight{
  border-left:3px solid var(--accent);background:#fff;border-radius:0 var(--radius) var(--radius) 0;
  padding:22px 24px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.insight:hover{box-shadow:var(--shadow-s);}
.insight h3{font-size:16px;margin-bottom:9px;}
.insight p{font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- 资讯列表 ---------- */
.newslist{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#fff;}
.newslist a{
  display:flex;align-items:center;gap:18px;padding:18px 22px;
  border-bottom:1px solid var(--line);color:var(--ink);
  transition:background .2s ease,padding-left .2s ease;
}
.newslist a:last-child{border-bottom:none;}
.newslist a:hover{background:#f7fbfb;padding-left:26px;color:var(--brand-deep);}
.newslist time{
  flex:0 0 88px;font-size:12.8px;color:var(--muted);font-weight:600;font-variant-numeric:tabular-nums;
}
.newslist b{font-size:14.8px;font-weight:700;flex:1 1 auto;}
.newslist .n-tag{
  flex:0 0 auto;font-size:11.5px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);padding:3px 10px;border-radius:999px;
}

/* ---------- 更新日志 ---------- */
.log{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
}
.log__item{
  background:#12232d;border:1px solid #1d3440;border-radius:var(--radius);padding:22px;
  transition:border-color .2s ease,transform .2s ease;
}
.log__item:hover{border-color:#2a4a58;transform:translateY(-3px);}
.log__ver{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
  color:#54cfb6;letter-spacing:.6px;margin-bottom:10px;
}
.log__item h3{font-size:15.5px;color:#fff;margin-bottom:8px;}
.log__item p{font-size:13.6px;color:#9fb2bf;line-height:1.8;}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px 30px;box-shadow:var(--shadow);
}
.form-card .form-label{font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.form-card .form-control,.form-card .form-select{
  height:46px;border-radius:10px;border:1px solid var(--line);font-size:14.2px;color:var(--ink);
  background:#f8fafb;padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-card textarea.form-control{height:auto;padding:12px 14px;line-height:1.75;}
.form-card .form-control:focus,.form-card .form-select:focus{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,92,102,.12);
}
.form-note{font-size:12.6px;color:var(--muted);line-height:1.75;}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13.6px;font-weight:700;
}
.form-ok.show{display:block;}
.side-info{
  background:linear-gradient(155deg,#0f5c66,#0a3f47);color:#d6e6e8;
  border-radius:var(--radius-l);padding:32px 28px;height:100%;
}
.side-info h3{color:#fff;font-size:20px;margin-bottom:12px;}
.side-info p{font-size:14px;color:#a9c6ca;line-height:1.85;}
.side-info ul{margin-top:20px;}
.side-info li{
  display:flex;gap:10px;align-items:flex-start;font-size:13.8px;
  color:#cfe2e4;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.14);
}
.side-info li:last-child{border-bottom:none;}
.side-info li i{color:#f6b280;margin-top:5px;font-size:12px;}

/* ---------- 页脚 ---------- */
.footer{
  background:#0b161d;color:#93a8b4;padding:56px 0 26px;margin-top:0;
}
.footer h4{
  color:#fff;font-size:14.5px;font-weight:800;letter-spacing:.6px;margin-bottom:16px;
}
.footer p{font-size:13.6px;line-height:1.85;color:#8298a5;}
.footer a{color:#93a8b4;font-size:13.6px;display:inline-block;padding:4px 0;}
.footer a:hover{color:#fff;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer__brand .brand__mark{box-shadow:none;}
.footer__brand b{color:#fff;font-size:17px;font-weight:800;}
.footer__bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:12.8px;color:#6f8593;
}
.footer__bottom span{display:inline-flex;align-items:center;gap:8px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .hero h1{font-size:35px;}
  .hero__grid{gap:32px;}
  .grid-3,.grid-6,.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .partner-row{grid-template-columns:repeat(3,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 0;}
  .flow__item::after{display:none;}
}
@media (max-width:1024px){
  .sidebar{transform:translateX(-105%);transition:transform .3s ease;box-shadow:var(--shadow-l);}
  .sidebar.is-open{transform:none;}
  .page{margin-left:0;}
  .menubtn{display:flex;}
  .topnav{display:none;}
  .hero{padding:44px 0 50px;}
  .hero__grid{grid-template-columns:1fr;}
  .sec{padding:54px 0;}
  .sec-head h2{font-size:27px;}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .demo{grid-template-columns:1fr;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .wrap{padding:0 18px;}
  .topsearch{display:none;}
  .topmeta .chip--hide{display:none;}
  .hero h1{font-size:28px;line-height:1.4;}
  .hero__lead{font-size:15.5px;}
  .sec-head h2{font-size:23px;}
  .sec{padding:46px 0;}
  .grid-3,.grid-6,.grid-2,.topic-grid,.scene-list,.log{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;gap:26px;}
  .trust-grid{grid-template-columns:1fr;}
  .partner-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .newslist a{flex-wrap:wrap;gap:8px;}
  .newslist b{flex:1 1 100%;font-size:14.4px;}
  .form-card{padding:26px 20px;}
  .side-info{padding:26px 20px;}
  .btn-brand,.btn-line{width:100%;justify-content:center;}
}
@media (max-width:520px){
  .hero h1{font-size:25px;}
  .metric__num{font-size:28px;}
  .brand__sub{display:none;}
  .partner-row{grid-template-columns:1fr;}
  .code-card pre{font-size:12.2px;padding:16px 14px;}
}

/* roulang page: category3 */
:root{
 --brand:#0f5c66;
 --brand-deep:#0a3f47;
 --brand-soft:#e6f1f2;
 --accent:#f2833a;
 --accent-soft:#fdeee2;
 --ink:#14212b;
 --ink-2:#334452;
 --muted:#6b7c8a;
 --line:#e2e8ee;
 --bg:#f5f7f9;
 --surface:#ffffff;
 --dark:#0d1b23;
 --radius-s:8px;
 --radius:14px;
 --radius-l:22px;
 --shadow-s:0 2px 8px rgba(16,38,50,.06);
 --shadow:0 12px 30px rgba(16,38,50,.08);
 --shadow-l:0 24px 60px rgba(16,38,50,.12);
 --sp:24px;
 --topbar-h:64px;
 --sidebar-w:268px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 padding-top:var(--topbar-h);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 color:var(--ink);
 background:var(--bg);
 font-size:15.5px;
 line-height:1.8;
 letter-spacing:.1px;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
 outline:3px solid rgba(242,131,58,.55);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:800;color:var(--ink);letter-spacing:-.2px;}
h2{font-size:26px;line-height:1.45;margin:0 0 10px;}
h3{font-size:17px;line-height:1.55;margin:0 0 8px;}
p{margin:0 0 12px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 22px;}

/* ---------- 顶栏 ---------- */
.topbar{
 position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:1040;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(160%) blur(10px);
 border-bottom:1px solid var(--line);
 display:flex;align-items:center;
}
.topbar__inner{
 width:100%;display:flex;align-items:center;gap:18px;
 padding:0 22px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
 width:36px;height:36px;border-radius:11px;
 background:linear-gradient(140deg,var(--brand) 0%,#17818d 100%);
 color:#fff;display:flex;align-items:center;justify-content:center;
 font-weight:700;font-size:16px;letter-spacing:.5px;
 box-shadow:0 6px 16px rgba(15,92,102,.28);
}
.brand__name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
.brand__sub{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:1.4px;line-height:1.2;}
.topsearch{flex:1 1 auto;max-width:440px;position:relative;}
.topsearch i{
 position:absolute;left:14px;top:50%;transform:translateY(-50%);
 color:var(--muted);font-size:14px;pointer-events:none;
}
.topsearch input{
 width:100%;height:40px;border-radius:10px;border:1px solid var(--line);
 background:#f2f5f7;padding:0 14px 0 38px;font-size:14px;color:var(--ink);
 transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.topsearch input::placeholder{color:#9aa9b5;}
.topsearch input:focus{
 background:#fff;border-color:var(--brand);
 box-shadow:0 0 0 3px rgba(15,92,102,.12);outline:none;
}
.topnav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.topnav a{
 padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);
 transition:background .2s ease,color .2s ease;
}
.topnav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.topnav a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,92,102,.22);}
.topmeta{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.chip{
 display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;
 border:1px solid var(--line);border-radius:999px;background:#fff;
 font-size:12.5px;font-weight:600;color:var(--ink-2);
 transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);}
.menubtn{
 display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
 background:#fff;color:var(--ink-2);font-size:16px;align-items:center;justify-content:center;
}
.menubtn:hover{border-color:var(--brand);color:var(--brand-deep);}
.btn-brand{
 display:inline-flex;align-items:center;gap:9px;
 height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
 background:linear-gradient(140deg,var(--brand) 0%,#158190 100%);
 color:#fff;font-weight:700;font-size:15px;
 box-shadow:0 12px 26px rgba(15,92,102,.26);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,92,102,.32);filter:brightness(1.04);}
.btn-brand:active{transform:translateY(0);}
.btn-brand--sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:9px;box-shadow:0 8px 18px rgba(15,92,102,.2);}
.btn-line{
 display:inline-flex;align-items:center;gap:9px;
 height:48px;padding:0 22px;border-radius:12px;
 background:#fff;border:1px solid var(--line);color:var(--ink);
 font-weight:700;font-size:15px;
 transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.btn-light{
 display:inline-flex;align-items:center;gap:9px;
 height:44px;padding:0 22px;border-radius:12px;
 background:#fff;border:1px solid transparent;color:var(--brand-deep);
 font-weight:700;font-size:14.5px;
 transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.2);}
.btn-ghost{
 display:inline-flex;align-items:center;gap:9px;
 height:44px;padding:0 22px;border-radius:12px;
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.32);color:#fff;
 font-weight:700;font-size:14.5px;
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);transform:translateY(-2px);}

/* ---------- 移动端抽屉 ---------- */
.navdrawer{
 position:fixed;top:var(--topbar-h);left:0;bottom:0;width:286px;z-index:1036;
 background:#fff;border-right:1px solid var(--line);box-shadow:var(--shadow-l);
 padding:20px 18px;transform:translateX(-104%);transition:transform .28s ease;
 overflow-y:auto;
}
.navdrawer.is-open{transform:none;}
.navdrawer h4{font-size:12.5px;letter-spacing:1.4px;color:var(--muted);margin:0 0 12px;font-weight:800;}
.navdrawer a{
 display:flex;align-items:center;gap:10px;
 padding:11px 13px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--ink-2);
 margin-bottom:4px;
}
.navdrawer a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.navdrawer a.is-active{background:var(--brand);color:#fff;}
.navdrawer .drawer-foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);line-height:1.8;}
.navmask{
 position:fixed;inset:0;background:rgba(13,27,35,.45);z-index:1035;
 opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.navmask.is-open{opacity:1;visibility:visible;}

/* ---------- 内页深色头部 ---------- */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 background:
 radial-gradient(900px 420px at 88% -14%,rgba(242,131,58,.22),transparent 62%),
 radial-gradient(820px 420px at 2% 112%,rgba(15,92,102,.62),transparent 64%),
 linear-gradient(180deg,#0d1b23 0%,#0f2733 100%);
 padding:50px 0 56px;
 border-bottom:1px solid rgba(255,255,255,.08);
}
.page-hero::after{
 content:"";position:absolute;inset:auto 0 -1px 0;height:1px;
 background:linear-gradient(90deg,rgba(242,131,58,.6),transparent 60%);
}
.page-hero__grid{
 display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
 gap:44px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.58);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.76);font-weight:600;}
.crumb a:hover{color:#fff;}
.page-hero h1{
 font-size:36px;line-height:1.4;color:#fff;letter-spacing:-.6px;margin:0 0 16px;
}
.page-hero h1 em{
 font-style:normal;color:#f8bb8c;
 background:linear-gradient(180deg,transparent 66%,rgba(242,131,58,.35) 66%);
 padding:0 2px;
}
.page-hero .lead{font-size:16px;line-height:1.95;color:rgba(255,255,255,.78);max-width:620px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 4px;}
.hero-tag{
 display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
 font-size:12.5px;font-weight:600;color:rgba(255,255,255,.86);
}
.hero-tag i{color:var(--accent);}
.page-hero .hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* 右侧榜单面板 */
.rankboard{
 background:rgba(255,255,255,.055);
 border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-l);
 padding:20px 22px 14px;
 box-shadow:var(--shadow-l);
 backdrop-filter:blur(8px);
}
.rankboard__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;}
.rankboard__head b{font-size:15px;color:#fff;font-weight:800;letter-spacing:.2px;}
.rankboard__head span{
 font-size:11.5px;font-weight:700;letter-spacing:1px;color:#f8bb8c;
 background:rgba(242,131,58,.16);padding:4px 10px;border-radius:999px;
}
.rank-row{
 display:grid;grid-template-columns:30px minmax(0,1fr) 62px;gap:12px;align-items:center;
 padding:12px 0;border-top:1px solid rgba(255,255,255,.1);
}
.rank-no{
 width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;
 font-size:12.5px;font-weight:800;background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);
}
.rank-row.is-top .rank-no{background:linear-gradient(140deg,var(--accent),#f6a869);color:#fff;}
.rank-name{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px;}
.rank-bar{height:6px;border-radius:99px;background:rgba(255,255,255,.14);overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--accent),#f8bb8c);}
.rank-val{font-size:13px;font-weight:700;color:rgba(255,255,255,.86);text-align:right;}
.rankboard__foot{
 display:flex;align-items:center;gap:8px;font-size:12.5px;color:rgba(255,255,255,.55);
 padding:13px 0 4px;border-top:1px solid rgba(255,255,255,.1);
}
.rankboard__foot i{color:var(--accent);}

/* ---------- 主体：文档式双栏 ---------- */
.doc-layout{
 width:100%;max-width:1240px;margin:0 auto;padding:40px 22px 60px;
 display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);gap:40px;align-items:start;
}
.doc-aside{position:sticky;top:calc(var(--topbar-h) + 20px);}
.doc-aside__box{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);padding:16px 14px;
}
.doc-aside__title{
 font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--muted);
 padding:0 8px 10px;border-bottom:1px dashed var(--line);margin-bottom:10px;
}
.doc-aside nav a{
 display:flex;align-items:center;gap:10px;
 padding:9px 10px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);
 transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.doc-aside nav a i{font-size:12px;color:var(--brand);width:14px;text-align:center;}
.doc-aside nav a:hover{background:var(--brand-soft);color:var(--brand-deep);padding-left:14px;}
.doc-aside nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);}
.doc-aside__card{
 margin-top:16px;padding:16px;border-radius:var(--radius);
 background:linear-gradient(150deg,#0f2733,#0d1b23);color:rgba(255,255,255,.78);
 box-shadow:var(--shadow);
}
.doc-aside__card b{display:block;color:#fff;font-size:14.5px;font-weight:800;margin-bottom:6px;}
.doc-aside__card p{font-size:13px;line-height:1.8;margin:0 0 12px;color:rgba(255,255,255,.66);}
.doc-aside__card a{
 display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:#f8bb8c;
}
.doc-aside__card a:hover{color:#fff;}

.doc-main{min-width:0;}
.doc-sec{margin-bottom:46px;scroll-margin-top:calc(var(--topbar-h) + 22px);}
.doc-sec:last-child{margin-bottom:0;}
.eyebrow{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--brand);
 background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.sec-head{margin-bottom:22px;}
.sec-head p{color:var(--ink-2);font-size:15px;max-width:760px;margin:0;}
.sec--dark .eyebrow{background:rgba(242,131,58,.16);color:#f6b280;}

/* 痛点：左文右列 */
.pain-wrap{
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.12fr);gap:26px;align-items:start;
}
.pain-intro{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-s);height:100%;
}
.pain-intro h3{font-size:19px;margin-bottom:10px;}
.pain-intro p{color:var(--ink-2);font-size:14.5px;}
.pain-intro .note{
 display:flex;gap:10px;align-items:flex-start;margin-top:16px;padding:14px;
 border-radius:var(--radius-s);background:var(--accent-soft);border:1px solid #f6dcc7;
 font-size:13.5px;color:#8c4a15;font-weight:600;line-height:1.75;
}
.pain-intro .note i{color:var(--accent);margin-top:3px;}
.pain-list{display:grid;gap:12px;}
.pain-item{
 display:flex;gap:14px;padding:16px 18px;background:var(--surface);
 border:1px solid var(--line);border-left:3px solid var(--accent);
 border-radius:var(--radius-s);box-shadow:var(--shadow-s);
 transition:transform .22s ease,box-shadow .22s ease,border-left-color .22s ease;
}
.pain-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-left-color:var(--brand);}
.pain-item .ico{
 flex:0 0 38px;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
 background:var(--brand-soft);color:var(--brand);font-size:15px;
}
.pain-item b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px;}
.pain-item span{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* 能力矩阵 */
.cap-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.cap-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 18px;box-shadow:var(--shadow-s);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c9dbe0;}
.cap-card .ico{
 width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
 font-size:17px;color:#fff;background:linear-gradient(140deg,var(--brand),#17818d);
 box-shadow:0 8px 18px rgba(15,92,102,.22);margin-bottom:14px;
}
.cap-card h3{font-size:15.5px;margin-bottom:6px;}
.cap-card p{font-size:13.5px;color:var(--muted);line-height:1.78;margin:0;}
.cap-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.tag{
 display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-deep);font-size:11.5px;font-weight:700;
}
.tag--accent{background:var(--accent-soft);color:#b45f1c;}

/* 步骤时间线 */
.steps{position:relative;padding-left:26px;}
.steps::before{
 content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--brand),rgba(15,92,102,.12));
 border-radius:2px;
}
.step{position:relative;padding:0 0 22px 18px;}
.step:last-child{padding-bottom:0;}
.step::before{
 content:"";position:absolute;left:-24px;top:8px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(15,92,102,.1);
}
.step__no{
 display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;letter-spacing:1.2px;
 color:var(--accent);margin-bottom:6px;
}
.step h3{font-size:16px;margin-bottom:6px;}
.step p{font-size:14px;color:var(--ink-2);margin:0;max-width:720px;}
.step .meta{
 display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;
}
.step .meta span{
 font-size:12.5px;font-weight:600;color:var(--muted);
 background:#eef2f5;border-radius:var(--radius-s);padding:4px 10px;
}

/* 成效数据（深色区） */
.sec--dark{
 background:linear-gradient(160deg,#0d1b23 0%,#12303c 100%);
 border-radius:var(--radius-l);
 padding:34px 30px 30px;
 color:rgba(255,255,255,.76);
 box-shadow:var(--shadow-l);
}
.sec--dark h2{color:#fff;}
.sec--dark .sec-head p{color:rgba(255,255,255,.72);}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:6px;}
.metric{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
 border-radius:var(--radius);padding:18px 16px;
 transition:background .22s ease,transform .22s ease;
}
.metric:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.metric b{display:block;font-size:28px;line-height:1.25;color:#fff;font-weight:800;letter-spacing:-.5px;}
.metric b em{font-style:normal;font-size:15px;color:#f8bb8c;margin-left:3px;}
.metric span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:6px;line-height:1.7;}

/* 渠道矩阵表 */
.matrix-box{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);overflow:hidden;
}
.matrix-scroll{overflow-x:auto;}
table.matrix{width:100%;border-collapse:collapse;min-width:720px;}
table.matrix th{
 background:#f0f4f6;color:var(--ink-2);font-size:13px;font-weight:800;
 text-align:left;padding:14px 18px;white-space:nowrap;border-bottom:1px solid var(--line);
}
table.matrix td{
 padding:15px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);
 vertical-align:middle;
}
table.matrix tbody tr{transition:background .18s ease;}
table.matrix tbody tr:hover{background:#f8fbfc;}
table.matrix tbody tr:last-child td{border-bottom:none;}
table.matrix td b{color:var(--ink);font-weight:700;}
.dot{
 display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
}
.dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);}
.dot--fast::before{background:var(--accent);}
.dot--part::before{background:#c3ced7;}

/* 客户证言 */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.voice{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:24px 20px 20px;box-shadow:var(--shadow-s);
 transition:transform .22s ease,box-shadow .22s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.voice::before{
 content:"\201C";position:absolute;top:6px;right:18px;font-size:54px;line-height:1;
 color:var(--brand-soft);font-family:Georgia,serif;
}
.voice p{font-size:14px;color:var(--ink-2);line-height:1.9;position:relative;z-index:1;margin-bottom:16px;}
.voice .who{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--line);padding-top:14px;}
.voice .who i{
 width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
 background:var(--brand-soft);color:var(--brand);font-size:14px;
}
.voice .who b{display:block;font-size:13.5px;color:var(--ink);}
.voice .who span{font-size:12.5px;color:var(--muted);}

/* 适用团队 */
.fit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.fit-item{
 display:flex;gap:13px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);
 padding:16px 16px;box-shadow:var(--shadow-s);
 transition:border-color .2s ease,transform .2s ease;
}
.fit-item:hover{border-color:#c9dbe0;transform:translateY(-3px);}
.fit-item .ico{
 flex:0 0 36px;width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
 background:var(--accent-soft);color:#b45f1c;font-size:15px;
}
.fit-item b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:3px;}
.fit-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* 资讯列表 */
.news-list{display:grid;gap:10px;}
.news-item{
 display:flex;gap:16px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s);
 padding:16px 18px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateX(4px);box-shadow:var(--shadow);border-color:#c9dbe0;}
.news-date{
 flex:0 0 78px;font-size:12.5px;font-weight:800;color:var(--brand);
 background:var(--brand-soft);border-radius:var(--radius-s);padding:6px 8px;text-align:center;
}
.news-item b{display:block;font-size:14.5px;color:var(--ink);margin-bottom:4px;font-weight:700;}
.news-item span{font-size:13px;color:var(--muted);line-height:1.7;}

/* FAQ */
.faq-box .accordion-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-s)!important;
 margin-bottom:10px;overflow:hidden;box-shadow:var(--shadow-s);
}
.faq-box .accordion-button{
 font-size:15px;font-weight:700;color:var(--ink);background:var(--surface);
 padding:16px 18px;box-shadow:none;
}
.faq-box .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-deep);}
.faq-box .accordion-button:focus{box-shadow:0 0 0 3px rgba(242,131,58,.28);}
.faq-box .accordion-body{
 font-size:14px;color:var(--ink-2);line-height:1.9;padding:4px 18px 18px;
 background:var(--surface);
}

/* 收口转化 */
.cta{
 position:relative;overflow:hidden;
 background:
 radial-gradient(680px 320px at 88% 8%,rgba(242,131,58,.28),transparent 62%),
 linear-gradient(150deg,#0d1b23 0%,#0f3540 100%);
 border-radius:var(--radius-l);
 padding:38px 34px;color:rgba(255,255,255,.78);
 box-shadow:var(--shadow-l);
}
.cta h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta p{font-size:15px;color:rgba(255,255,255,.74);max-width:660px;margin-bottom:22px;}
.cta .actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta .points{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:22px;font-size:13.5px;color:rgba(255,255,255,.7);}
.cta .points span{display:inline-flex;align-items:center;gap:8px;}
.cta .points i{color:var(--accent);}

/* ---------- 页脚 ---------- */
.footer{background:#0d1b23;color:rgba(255,255,255,.72);padding:52px 0 0;margin-top:20px;}
.footer h4{font-size:14.5px;color:#fff;margin-bottom:14px;font-weight:800;letter-spacing:.4px;}
.footer a{color:rgba(255,255,255,.7);font-size:14px;line-height:2.05;}
.footer a:hover{color:#fff;}
.footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer__brand b{font-size:17px;color:#fff;font-weight:800;letter-spacing:.4px;}
.footer__bottom{
 margin-top:34px;border-top:1px solid rgba(255,255,255,.1);
 padding:18px 0;display:flex;justify-content:space-between;align-items:center;
 gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);
}
.footer__bottom i{color:var(--accent);margin-right:6px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
 .topnav{display:none;}
 .menubtn{display:inline-flex;}
 .topsearch{max-width:360px;}
}
@media (max-width:1024px){
 .doc-layout{grid-template-columns:1fr;gap:26px;padding-top:30px;}
 .doc-aside{position:static;}
 .doc-aside nav{display:flex;flex-wrap:wrap;gap:6px;}
 .doc-aside nav a{
  background:#fff;border:1px solid var(--line);padding:8px 12px;font-size:13.5px;
 }
 .doc-aside nav a:hover{padding-left:12px;}
 .doc-aside__card{margin-top:14px;}
 .page-hero__grid{grid-template-columns:1fr;gap:30px;}
 .page-hero h1{font-size:31px;}
 .cap-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .voice-grid{grid-template-columns:1fr;}
 .fit-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .pain-wrap{grid-template-columns:1fr;}
}
@media (max-width:768px){
 .topsearch{display:none;}
 .topmeta .chip--hide{display:none;}
 .wrap,.doc-layout{padding-left:16px;padding-right:16px;}
 .page-hero{padding:34px 0 42px;}
 .page-hero h1{font-size:26px;}
 .page-hero .lead{font-size:15px;}
 h2{font-size:22px;}
 .sec--dark,.cta{padding:26px 20px;border-radius:var(--radius);}
 .metric b{font-size:24px;}
 .cap-grid,.fit-grid{grid-template-columns:1fr;}
 .metric-grid{grid-template-columns:1fr;}
 .news-item{flex-direction:column;gap:10px;}
 .news-date{flex:none;}
 .hero-tags{gap:6px;}
 .rank-row{grid-template-columns:26px minmax(0,1fr) 52px;}
 .footer{padding-top:38px;}
}
@media (max-width:520px){
 .brand__sub{display:none;}
 .brand__name{font-size:15.5px;}
 .topbar__inner{gap:10px;padding:0 14px;}
 .btn-brand--sm{padding:0 12px;font-size:12.5px;}
 .page-hero h1{font-size:22.5px;}
 .step{padding-left:10px;}
 .cta h2{font-size:21px;}
 .voice::before{font-size:44px;}
}

/* roulang page: category2 */
:root{
  --brand:#0f5c66;
  --brand-deep:#0a3f47;
  --brand-soft:#e6f1f2;
  --accent:#f2833a;
  --accent-soft:#fdeee2;
  --ink:#14212b;
  --ink-2:#334452;
  --muted:#6b7c8a;
  --line:#e2e8ee;
  --bg:#f5f7f9;
  --surface:#ffffff;
  --dark:#0d1b23;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 8px rgba(16,38,50,.06);
  --shadow:0 12px 30px rgba(16,38,50,.08);
  --shadow-l:0 24px 60px rgba(16,38,50,.12);
  --sp:24px;
  --topbar-h:64px;
  --sidebar-w:268px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--topbar-h);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:15.5px;
  line-height:1.8;
  letter-spacing:.1px;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(242,131,58,.55);outline-offset:2px;border-radius:6px;
}
[id]{scroll-margin-top:calc(var(--topbar-h) + 26px);}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 22px;}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
}
.topbar__inner{width:100%;display:flex;align-items:center;gap:18px;padding:0 22px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,#17818d 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(15,92,102,.28);
}
.brand__name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
.brand__sub{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:1.4px;line-height:1.2;}
.topsearch{flex:1 1 auto;max-width:440px;position:relative;}
.topsearch i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none;}
.topsearch input{
  width:100%;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#f2f5f7;padding:0 14px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.topsearch input::placeholder{color:#9aa9b5;}
.topsearch input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,92,102,.12);outline:none;}
.topnav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.topnav a{padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);transition:background .2s ease,color .2s ease;}
.topnav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.topnav a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,92,102,.22);}
.topmeta{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:12.5px;font-weight:600;color:var(--ink-2);transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);}
.menubtn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:16px;align-items:center;justify-content:center;
  cursor:pointer;
}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:9px;
  background:linear-gradient(140deg,var(--brand) 0%,#158190 100%);
  color:#fff;font-weight:700;font-size:13.5px;white-space:nowrap;
  box-shadow:0 8px 20px rgba(15,92,102,.24);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px rgba(15,92,102,.3);filter:brightness(1.05);}

/* ---------- Hero 斜切首屏 ---------- */
.hero{position:relative;background:var(--bg);overflow:hidden;}
.hero__band{
  position:relative;
  background:linear-gradient(135deg,#082f35 0%,var(--brand-deep) 34%,var(--brand) 72%,#1a8b98 100%);
  color:#fff;
  padding:66px 0 108px;
  clip-path:polygon(0 0,100% 0,100% 84%,0 100%);
}
.hero__band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 86% 4%,rgba(255,255,255,.16),transparent 62%),
    radial-gradient(520px 300px at 4% 96%,rgba(242,131,58,.18),transparent 64%);
}
.hero__grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:800;letter-spacing:1.4px;
  color:var(--brand);background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
.eyebrow--dark{background:rgba(255,255,255,.14);color:#ffe4cd;}
.hero h1{
  font-size:40px;line-height:1.34;letter-spacing:-.6px;margin:0 0 18px;color:#fff;
}
.hero h1 em{font-style:normal;color:#ffcf9f;}
.hero__lead{font-size:16.5px;line-height:1.95;color:rgba(255,255,255,.84);max-width:620px;margin:0;}
.hero__cta{margin-top:28px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 26px;border-radius:12px;
  background:linear-gradient(140deg,var(--accent) 0%,#e06d22 100%);
  color:#fff;font-weight:700;font-size:15.5px;border:1px solid transparent;
  box-shadow:0 14px 30px rgba(242,131,58,.34);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 38px rgba(242,131,58,.42);filter:brightness(1.04);}
.btn-cta:active{transform:translateY(0);}
.hero__facts{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);color:#eaf6f8;
}
.hero__panel{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-l);
  padding:22px 22px 18px;
  backdrop-filter:blur(8px);
  box-shadow:0 24px 50px rgba(0,0,0,.18);
}
.hero__panel h2{font-size:14px;letter-spacing:1.2px;font-weight:800;color:#cfe8eb;margin:0 0 14px;text-transform:uppercase;}
.statusrow{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.18);
}
.statusrow:last-child{border-bottom:0;}
.statusrow__name{font-size:14px;font-weight:600;color:#fff;display:flex;align-items:center;gap:9px;}
.dot{width:8px;height:8px;border-radius:50%;background:#5fe0a8;box-shadow:0 0 0 4px rgba(95,224,168,.18);flex:0 0 auto;}
.statusrow__val{font-size:13px;color:#a9dbe0;font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 页面主体两栏 ---------- */
.pagegrid{
  display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);
  gap:36px;align-items:start;padding-top:40px;padding-bottom:20px;
}
.docaside{position:sticky;top:calc(var(--topbar-h) + 20px);display:flex;flex-direction:column;gap:16px;}
.docaside__box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 18px 16px;box-shadow:var(--shadow-s);
}
.docaside__label{
  font-size:12px;font-weight:800;letter-spacing:1.6px;color:var(--muted);
  margin:0 0 12px;text-transform:uppercase;
}
.docnav{display:flex;flex-direction:column;gap:2px;}
.docnav a{
  display:flex;align-items:center;gap:9px;padding:9px 11px;border-radius:9px;
  font-size:14px;font-weight:600;color:var(--ink-2);border-left:3px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,padding .2s ease;
}
.docnav a::before{content:"";width:5px;height:5px;border-radius:50%;background:#c3d1da;flex:0 0 auto;transition:background .2s ease;}
.docnav a:hover{background:#f2f6f8;color:var(--brand-deep);}
.docnav a.is-current{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--accent);}
.docnav a.is-current::before{background:var(--accent);}
.docaside__stat{display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:7px 0;color:var(--ink-2);}
.docaside__stat:not(:last-child){border-bottom:1px dashed var(--line);}
.ok{color:#0f7a5a;font-weight:700;}

/* ---------- 板块 ---------- */
.sec{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:30px 28px;box-shadow:var(--shadow-s);margin-bottom:22px;
  transition:box-shadow .25s ease,transform .25s ease;
}
.sec:last-child{margin-bottom:0;}
.sec:hover{box-shadow:var(--shadow);}
.sec--dark{background:linear-gradient(150deg,#0d1b23 0%,#122b33 100%);border-color:#1b3138;color:#dbe7ec;}
.sec--dark .sec__desc{color:#9fb6bf;}
.sec--dark .sec__title{color:#fff;}
.sec--dark .sec__badge{background:rgba(242,131,58,.16);color:#f7b789;border-color:rgba(242,131,58,.3);}
.sec--dark:hover{box-shadow:0 20px 46px rgba(0,0,0,.22);}
.sec__head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px;}
.sec__title{font-size:24px;font-weight:800;letter-spacing:-.3px;margin:0 0 8px;color:var(--ink);line-height:1.4;}
.sec__title span{color:var(--brand);}
.sec__desc{margin:0;font-size:14.8px;color:var(--ink-2);max-width:760px;line-height:1.9;}
.sec__badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  background:var(--brand-soft);border:1px solid #cfe3e5;color:var(--brand-deep);
  font-size:12.5px;font-weight:700;white-space:nowrap;
}

/* 能力矩阵 */
.capgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;}
.capcard{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px 16px;background:#fbfcfd;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.capcard:hover{transform:translateY(-3px);background:#fff;border-color:#bcd6d9;box-shadow:var(--shadow);}
.capcard i{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:16px;margin-bottom:13px;
}
.capcard h3{font-size:15.5px;font-weight:800;margin:0 0 7px;color:var(--ink);}
.capcard p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.8;}

/* 服务清单 */
.svclist{display:flex;flex-direction:column;gap:10px;}
.svchead{
  display:grid;grid-template-columns:1.25fr 1.7fr .6fr .7fr;gap:16px;
  padding:0 16px 4px;font-size:12.5px;font-weight:800;letter-spacing:1.2px;color:var(--muted);
}
.svcrow{
  display:grid;grid-template-columns:1.25fr 1.7fr .6fr .7fr;gap:16px;align-items:center;
  padding:15px 16px;border:1px solid var(--line);border-radius:var(--radius);background:#fbfcfd;
  transition:border-color .22s ease,box-shadow .22s ease,background .22s ease,transform .22s ease;
}
.svcrow:hover{border-color:#bcd6d9;background:#fff;box-shadow:var(--shadow-s);transform:translateX(3px);}
.svcrow__name{font-weight:800;font-size:14.2px;color:var(--ink);display:flex;align-items:center;flex-wrap:wrap;gap:6px;}
.svcpath{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12px;
  color:var(--brand-deep);background:var(--brand-soft);padding:2px 8px;border-radius:6px;font-weight:600;
}
.svcrow__desc{font-size:13.8px;color:var(--ink-2);line-height:1.75;}
.svcrow__lat{font-size:13.5px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums;}
.svcrow__rate{font-size:13.5px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums;}

/* 接入方式 */
.ways{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.waycard{
  display:flex;gap:16px;align-items:flex-start;padding:20px 18px;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.waycard:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#bcd6d9;}
.waycard__ico{
  width:46px;height:46px;flex:0 0 auto;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);color:#c2641e;font-size:17px;
}
.waycard h3{font-size:16px;font-weight:800;margin:0 0 7px;}
.waycard p{margin:0 0 10px;font-size:13.8px;color:var(--ink-2);line-height:1.85;}
.tagrow{display:flex;flex-wrap:wrap;gap:6px;}
.tag{
  font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px;
  background:#f1f5f7;color:var(--ink-2);border:1px solid var(--line);
}

/* 指标 */
.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{
  border-radius:var(--radius);padding:20px 18px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  transition:background .22s ease,transform .22s ease;
}
.metric:hover{background:rgba(255,255,255,.11);transform:translateY(-3px);}
.metric__num{font-size:32px;font-weight:800;color:#fff;letter-spacing:-.5px;line-height:1.2;font-variant-numeric:tabular-nums;}
.metric__num small{font-size:15px;font-weight:700;margin-left:3px;color:#8fd4da;}
.metric__label{font-size:13.5px;color:#9fb6bf;margin-top:6px;font-weight:600;}
.sec--dark .note{
  margin-top:18px;font-size:13.8px;color:#9fb6bf;line-height:1.9;
  border-left:3px solid var(--accent);padding-left:14px;
}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.flowstep{position:relative;padding-right:22px;}
.flowstep__dot{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:17px;margin-bottom:14px;
  border:1px solid #d3e5e7;
}
.flowstep:not(:last-child)::after{
  content:"";position:absolute;left:62px;top:23px;right:14px;height:2px;
  background:linear-gradient(90deg,rgba(15,92,102,.28),rgba(15,92,102,.04));
}
.flowstep h3{font-size:15.8px;font-weight:800;margin:0 0 8px;}
.flowstep p{margin:0;font-size:13.7px;color:var(--muted);line-height:1.85;}

/* 场景 */
.scenegrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.scenecard{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px 18px;
  background:#fbfcfd;overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.scenecard:hover{transform:translateY(-3px);background:#fff;border-color:#bcd6d9;box-shadow:var(--shadow);}
.scenecard span.no{
  position:absolute;right:14px;top:10px;font-size:30px;font-weight:800;color:#eef3f6;letter-spacing:-2px;
}
.scenecard h3{font-size:15.5px;font-weight:800;margin:0 0 8px;position:relative;z-index:1;}
.scenecard p{margin:0;font-size:13.6px;color:var(--muted);line-height:1.85;position:relative;z-index:1;}

/* 服务等级 */
.plangrid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.plancard{
  border:1px solid var(--line);border-radius:var(--radius-l);padding:24px 22px;background:#fff;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.plancard:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.plancard--hi{
  border-color:#c9e0e3;background:linear-gradient(170deg,#ffffff 0%,#f2f8f8 100%);
  box-shadow:0 18px 40px rgba(15,92,102,.12);
}
.plancard h3{font-size:17px;font-weight:800;margin:0 0 6px;display:flex;align-items:center;gap:9px;}
.plancard .price{font-size:13.5px;color:var(--muted);margin:0 0 16px;font-weight:600;}
.plancard ul{list-style:none;padding:0;margin:0 0 20px;display:flex;flex-direction:column;gap:10px;}
.plancard li{display:flex;gap:9px;font-size:13.8px;color:var(--ink-2);line-height:1.75;}
.plancard li i{color:var(--brand);margin-top:5px;font-size:12px;}
.plancard .plancard__foot{margin-top:auto;}
.planbtn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;height:44px;
  border-radius:11px;border:1px solid var(--line);background:#fff;color:var(--ink);
  font-weight:700;font-size:14px;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.planbtn:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.planbtn--hi{background:linear-gradient(140deg,var(--brand),#158190);color:#fff;border-color:transparent;box-shadow:0 12px 26px rgba(15,92,102,.24);}
.planbtn--hi:hover{color:#fff;filter:brightness(1.05);}

/* FAQ */
.faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius)!important;overflow:hidden;
  margin-bottom:12px;background:#fff;
}
.faq .accordion-item:last-child{margin-bottom:0;}
.faq .accordion-button{
  font-weight:700;font-size:15.4px;color:var(--ink);background:#fff;
  padding:18px 20px;box-shadow:none;line-height:1.7;
}
.faq .accordion-button:not(.collapsed){color:var(--brand-deep);background:var(--brand-soft);}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq .accordion-button::after{width:16px;height:16px;background-size:16px;}
.faq .accordion-body{padding:16px 20px 20px;font-size:14.4px;color:var(--ink-2);line-height:1.9;}

/* CTA */
.cta{
  border-radius:var(--radius-l);padding:34px 32px;
  background:linear-gradient(135deg,#0a3f47 0%,#0f5c66 62%,#17818d 100%);
  color:#fff;position:relative;overflow:hidden;
  box-shadow:0 24px 54px rgba(10,63,71,.26);
}
.cta::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(560px 300px at 92% 8%,rgba(242,131,58,.24),transparent 62%);
}
.cta__grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:36px;align-items:start;}
.cta h2{font-size:26px;font-weight:800;margin:0 0 12px;color:#fff;letter-spacing:-.3px;}
.cta p{color:rgba(255,255,255,.84);font-size:15px;margin:0 0 16px;line-height:1.9;}
.cta ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px;}
.cta li{display:flex;gap:9px;font-size:14px;color:rgba(255,255,255,.88);}
.cta li i{color:#f7b789;margin-top:5px;font-size:12px;}
.ctaform{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-l);padding:22px 20px;
  backdrop-filter:blur(8px);
}
.field{display:block;margin-bottom:14px;}
.field label{display:block;font-size:12.8px;font-weight:700;color:#cfe4e7;margin-bottom:6px;letter-spacing:.4px;}
.field input,.field select,.field textarea{
  width:100%;border-radius:10px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.1);color:#fff;padding:0 14px;height:44px;font-size:14.5px;
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.field textarea{height:82px;padding:11px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.52);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);background:rgba(255,255,255,.16);outline:none;
  box-shadow:0 0 0 3px rgba(242,131,58,.28);
}
.field select option{color:var(--ink);}
.btn-submit{
  width:100%;height:48px;border-radius:12px;border:none;cursor:pointer;
  background:linear-gradient(140deg,var(--accent),#e06d22);color:#fff;
  font-weight:800;font-size:15px;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  box-shadow:0 14px 30px rgba(242,131,58,.34);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 20px 38px rgba(242,131,58,.42);filter:brightness(1.04);}
.btn-submit:active{transform:translateY(0);}
.formmsg{
  display:none;margin-top:12px;font-size:13.5px;font-weight:700;color:#bdf0d6;
  background:rgba(95,224,168,.14);border:1px solid rgba(95,224,168,.32);
  border-radius:10px;padding:10px 13px;
}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#b9c8d2;padding:54px 0 0;margin-top:56px;}
.footer h4{font-size:15px;color:#fff;margin:0 0 14px;font-weight:800;letter-spacing:.4px;}
.footer a{color:#b9c8d2;font-size:14px;line-height:2.1;}
.footer a:hover{color:#fff;}
.footer p{color:#8fa3b0;font-size:14px;line-height:1.9;margin:0;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:17px;font-weight:800;}
.footer__bottom{
  margin-top:36px;border-top:1px solid rgba(255,255,255,.1);padding:18px 0;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:#7f929e;
}
.footer__bottom i{margin-right:5px;}

/* ---------- 响应式 ---------- */
@media (max-width:1220px){
  .chip--hide{display:none;}
}
@media (max-width:1080px){
  .capgrid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:992px){
  .menubtn{display:inline-flex;}
  .topnav{
    display:none;position:absolute;top:calc(var(--topbar-h) - 4px);left:14px;right:14px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    box-shadow:var(--shadow-l);padding:10px;
  }
  .topnav.is-open{display:flex;}
  .topnav a{padding:12px 14px;font-size:14.5px;}
  .hero__grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:33px;}
  .hero__band{padding:52px 0 84px;clip-path:polygon(0 0,100% 0,100% 90%,0 100%);}
  .pagegrid{grid-template-columns:1fr;padding-top:30px;}
  .docaside{display:none;}
  .ways{grid-template-columns:1fr;}
  .scenegrid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plangrid{grid-template-columns:1fr;}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 0;}
  .flowstep:nth-child(2)::after{display:none;}
  .cta__grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:768px){
  .brand__sub{display:none;}
  .topsearch{max-width:none;}
  .sec{padding:24px 20px;border-radius:18px;}
  .sec__title{font-size:21px;}
  .capgrid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .svchead{display:none;}
  .svcrow{grid-template-columns:1fr;gap:8px;padding:16px;}
  .svcrow__lat::before{content:"平均时延：";color:var(--muted);font-weight:600;}
  .svcrow__rate::before{content:"调用配额：";color:var(--muted);font-weight:600;}
  .metrics{grid-template-columns:1fr 1fr;}
  .metric__num{font-size:26px;}
  .cta{padding:26px 20px;}
  .cta h2{font-size:22px;}
}
@media (max-width:640px){
  .topsearch{display:none;}
  .btn-brand{height:34px;padding:0 11px;font-size:12.5px;}
  .brand__name{font-size:15.5px;}
  .brand__mark{width:32px;height:32px;font-size:14px;}
  .hero h1{font-size:27px;line-height:1.4;}
  .hero__lead{font-size:15px;}
  .hero__band{padding:44px 0 72px;}
  .metrics{grid-template-columns:1fr;}
  .scenegrid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .flowstep{padding-right:0;}
  .flowstep::after{display:none!important;}
  .sec__head{flex-direction:column;gap:12px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#0f5c66;
  --brand-deep:#0a3f47;
  --brand-soft:#e6f1f2;
  --accent:#f2833a;
  --accent-soft:#fdeee2;
  --ink:#14212b;
  --ink-2:#334452;
  --muted:#6b7c8a;
  --line:#e2e8ee;
  --bg:#f5f7f9;
  --surface:#ffffff;
  --dark:#0d1b23;
  --radius-s:8px;
  --radius:14px;
  --radius-l:22px;
  --shadow-s:0 2px 8px rgba(16,38,50,.06);
  --shadow:0 12px 30px rgba(16,38,50,.08);
  --shadow-l:0 24px 60px rgba(16,38,50,.12);
  --sp:24px;
  --topbar-h:64px;
  --sidebar-w:268px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--topbar-h) + 20px);}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--ink);
  background:var(--bg);
  font-size:15.5px;
  line-height:1.8;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.2px;line-height:1.4;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(242,131,58,.55);outline-offset:2px;border-radius:6px;
}
.wrap{max-width:1280px;margin:0 auto;padding:0 22px;}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
}
.topbar__inner{width:100%;display:flex;align-items:center;gap:18px;padding:0 22px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand) 0%,#17818d 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(15,92,102,.28);
}
.brand__name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.4px;display:block;line-height:1.3;}
.brand__sub{display:block;font-size:11px;color:var(--muted);font-weight:500;letter-spacing:1.4px;line-height:1.2;}
.topsearch{flex:1 1 auto;max-width:440px;position:relative;}
.topsearch i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none;}
.topsearch input{
  width:100%;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#f2f5f7;padding:0 14px 0 38px;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.topsearch input::placeholder{color:#9aa9b5;}
.topsearch input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,92,102,.12);outline:none;}
.topnav{display:flex;align-items:center;gap:4px;flex:0 0 auto;}
.topnav a{
  padding:8px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;white-space:nowrap;
}
.topnav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.topnav a.is-active{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(15,92,102,.22);}
.topmeta{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 11px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  font-size:12.5px;font-weight:600;color:var(--ink-2);
  transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand-deep);}
.btn-brand{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  background:linear-gradient(140deg,var(--brand) 0%,#158190 100%);
  color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 12px 26px rgba(15,92,102,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,92,102,.32);filter:brightness(1.04);}
.btn-brand:active{transform:translateY(0);}
.btn-line{
  display:inline-flex;align-items:center;gap:9px;
  height:48px;padding:0 22px;border-radius:12px;
  background:#fff;border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:15px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-line:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-s);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;height:44px;padding:0 20px;border-radius:11px;
  border:1px solid rgba(255,255,255,.42);color:#fff;font-weight:700;font-size:14.5px;
  transition:background .2s ease,border-color .2s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff;}
.menubtn{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:16px;align-items:center;justify-content:center;
  cursor:pointer;flex:0 0 auto;
}
.menubtn:hover{border-color:var(--brand);color:var(--brand-deep);}

/* ---------- 布局 ---------- */
.layout{
  max-width:1400px;margin:0 auto;
  padding:calc(var(--topbar-h) + 26px) 22px 64px;
  display:grid;grid-template-columns:var(--sidebar-w) minmax(0,1fr);gap:34px;align-items:start;
}
.side{position:sticky;top:calc(var(--topbar-h) + 22px);max-height:calc(100vh - var(--topbar-h) - 44px);overflow-y:auto;padding-right:4px;}
.side::-webkit-scrollbar{width:6px;}
.side::-webkit-scrollbar-thumb{background:#cfd9e0;border-radius:99px;}
.side__inner{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-s);padding:18px 16px;}
.side__head{
  font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--muted);
  display:flex;align-items:center;gap:8px;margin-bottom:12px;
}
.side__head i{color:var(--accent);}
.side__nav{display:flex;flex-direction:column;gap:2px;}
.side__nav a{
  display:flex;align-items:center;gap:9px;
  padding:8px 11px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);
  border-left:2px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.side__nav a i{font-size:11px;color:#aebcc6;transition:color .2s ease;}
.side__nav a:hover{background:var(--brand-soft);color:var(--brand-deep);padding-left:14px;}
.side__nav a:hover i{color:var(--brand);}
.side__nav a.is-active{background:var(--brand-soft);color:var(--brand-deep);border-left-color:var(--brand);}
.side__nav a.is-active i{color:var(--brand);}
.side__note{
  margin-top:16px;padding:14px;border-radius:var(--radius-s);
  background:linear-gradient(150deg,var(--brand-soft),#fff);
  border:1px dashed #c6dcde;font-size:13px;color:var(--ink-2);line-height:1.75;
}
.side__note b{display:block;color:var(--brand-deep);font-size:13.5px;margin-bottom:4px;}
.side__note a{font-weight:700;}
.side__mobile{display:none;margin-top:14px;border-top:1px solid var(--line);padding-top:14px;}
.side__mobile .side__head{margin-bottom:8px;}
.side__mask{
  position:fixed;inset:0;background:rgba(13,27,35,.46);z-index:1045;opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.side__mask.is-show{opacity:1;visibility:visible;}

/* ---------- 通用板块 ---------- */
.main{min-width:0;display:flex;flex-direction:column;gap:26px;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);box-shadow:var(--shadow-s);padding:34px;}
.sec-head{margin-bottom:24px;max-width:820px;}
.sec-head h2{font-size:26px;margin-bottom:10px;}
.sec-head p{color:var(--muted);font-size:14.8px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:800;letter-spacing:1.4px;color:var(--brand);
  background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.sec--dark .eyebrow{background:rgba(242,131,58,.16);color:#f6b280;}

/* ---------- 柔光首屏 ---------- */
.hero-soft{
  position:relative;overflow:hidden;border-radius:var(--radius-l);border:1px solid var(--line);
  background:
    radial-gradient(920px 440px at 86% -18%,rgba(15,92,102,.18),transparent 62%),
    radial-gradient(700px 380px at 4% 112%,rgba(242,131,58,.16),transparent 60%),
    #ffffff;
  padding:42px 36px 36px;
  box-shadow:var(--shadow-s);
}
.hero-soft::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,92,102,.10),transparent 68%);
}
.hero__cols{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:38px;align-items:start;}
.hero-soft h1{font-size:34px;line-height:1.36;margin-bottom:16px;}
.hero-soft h1 em{
  font-style:normal;color:var(--brand);
  background:linear-gradient(180deg,transparent 64%,rgba(242,131,58,.34) 64%);
  padding:0 2px;
}
.hero-soft .lead{font-size:16px;color:var(--ink-2);line-height:1.92;}
.hero__cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.kpoints{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--ink-2);
  transition:border-color .2s ease,transform .2s ease;
}
.pill i{color:var(--brand);font-size:11px;}
.pill:hover{border-color:var(--brand);transform:translateY(-1px);}
.pill--accent{background:var(--accent-soft);border-color:#f6dcc7;color:#b45f1c;}
.pill--accent i{color:var(--accent);}
.flowcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-s);padding:20px 18px;
}
.flowcard__title{font-size:12px;font-weight:800;letter-spacing:1.4px;color:var(--muted);margin-bottom:14px;}
.fstep{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);}
.fstep:last-child{border-bottom:0;padding-bottom:0;}
.fstep__num{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;
}
.fstep b{display:block;font-size:14.5px;color:var(--ink);}
.fstep span{font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#cfdde0;}
.card h3{font-size:17px;margin-bottom:8px;}
.card p{font-size:14px;color:var(--ink-2);line-height:1.85;}
.card__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;margin-bottom:14px;
  background:var(--accent-soft);color:#b45f1c;font-weight:800;font-size:13.5px;
}
.card__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:14px;
  background:var(--brand-soft);color:var(--brand);font-size:16px;
}

/* ---------- 能力列表 ---------- */
.ability{
  display:flex;gap:16px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.ability:hover{border-color:#c9dade;box-shadow:var(--shadow-s);transform:translateX(3px);}
.ability__icon{
  flex:0 0 auto;width:42px;height:42px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-soft),#fff);border:1px solid #d5e6e7;
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.ability h3{font-size:16px;margin-bottom:5px;}
.ability p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.split{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:30px;align-items:start;}
.split__aside{position:sticky;top:calc(var(--topbar-h) + 26px);}
.split__aside h2{font-size:24px;margin-bottom:12px;}
.split__aside p{font-size:14.6px;color:var(--muted);line-height:1.9;}
.stack{display:flex;flex-direction:column;gap:14px;}

/* ---------- 步骤时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;position:relative;}
.tl-item{position:relative;padding-top:36px;}
.tl-item::before{
  content:"";position:absolute;top:13px;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--brand-soft),#dbe7e8);
}
.tl-item:last-child::before{background:linear-gradient(90deg,#dbe7e8,transparent);}
.tl-dot{
  position:absolute;top:4px;left:0;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(15,92,102,.10);
}
.tl-item b{display:block;font-size:15.5px;margin-bottom:6px;}
.tl-item span{font-size:13.6px;color:var(--muted);line-height:1.8;}
.tl-step{display:inline-block;font-size:12px;font-weight:800;color:var(--accent);letter-spacing:1.2px;margin-bottom:6px;}

/* ---------- 深色数据区 ---------- */
.sec--dark{
  background:linear-gradient(150deg,var(--dark) 0%,#123039 100%);
  color:#dbe6ec;border-radius:var(--radius-l);padding:38px 34px;border:1px solid #16323c;
}
.sec--dark h2{color:#fff;font-size:26px;margin-bottom:10px;}
.sec--dark .sec-head p{color:#9db3c0;}
.statgrid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:6px;}
.stat{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);padding:20px 18px;
  transition:background .2s ease,transform .2s ease;
}
.stat:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);}
.stat b{display:block;font-size:28px;font-weight:800;color:#fff;letter-spacing:-.5px;line-height:1.3;}
.stat b span{font-size:15px;font-weight:700;color:var(--accent);margin-left:2px;}
.stat small{display:block;margin-top:8px;font-size:13.4px;color:#9db3c0;line-height:1.7;}

/* ---------- 反馈 ---------- */
.quote{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-s);
  transition:box-shadow .2s ease,transform .2s ease;
}
.quote:hover{box-shadow:var(--shadow);transform:translateY(-3px);}
.quote p{font-size:14.6px;color:var(--ink-2);line-height:1.92;}
.quote__by{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13.2px;color:var(--muted);font-weight:600;}
.quote__by i{color:var(--accent);}

/* ---------- 适用站点 ---------- */
.fit{display:flex;gap:14px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:border-color .2s ease,background .2s ease;}
.fit:hover{border-color:#c9dade;background:#fbfdfd;}
.fit i{color:var(--brand);font-size:17px;margin-top:4px;}
.fit b{display:block;font-size:15.4px;margin-bottom:4px;}
.fit span{font-size:13.6px;color:var(--muted);line-height:1.8;}

/* ---------- 频道入口 ---------- */
.chan{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.chan:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#c4d9db;color:inherit;}
.chan__tag{font-size:12px;font-weight:800;letter-spacing:1.2px;color:var(--accent);}
.chan h3{font-size:17.5px;margin:10px 0 8px;}
.chan p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.chan__more{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13.6px;font-weight:700;color:var(--brand);}
.chan__more i{font-size:11px;transition:transform .2s ease;}
.chan:hover .chan__more i{transform:translateX(4px);}

/* ---------- 资讯列表 ---------- */
.newslist{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.newsitem{
  display:flex;align-items:flex-start;gap:16px;padding:18px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.newsitem:hover{background:#fafcfc;padding-left:10px;}
.newsitem__date{flex:0 0 auto;font-size:12.6px;font-weight:700;color:var(--muted);padding-top:3px;letter-spacing:.6px;}
.newsitem b{display:block;font-size:15.4px;color:var(--ink);margin-bottom:4px;}
.newsitem span{font-size:13.6px;color:var(--muted);line-height:1.8;}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(135deg,var(--brand-deep) 0%,var(--brand) 62%,#17818d 100%);
  color:#e8f3f4;border-radius:var(--radius-l);padding:38px 34px;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:28px;align-items:center;
  box-shadow:var(--shadow);
}
.cta h2{color:#fff;font-size:26px;margin-bottom:12px;}
.cta p{color:#cfe4e6;font-size:14.8px;line-height:1.9;}
.cta__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta__side{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);border-radius:var(--radius);padding:20px;}
.cta__side b{display:block;color:#fff;font-size:14.6px;margin-bottom:10px;}
.cta__side li{display:flex;gap:9px;font-size:13.4px;color:#d5e8ea;padding:6px 0;}
.cta__side li i{color:#f6b280;margin-top:5px;font-size:12px;}
.btn-light{
  display:inline-flex;align-items:center;gap:9px;height:48px;padding:0 24px;border-radius:12px;
  background:#fff;color:var(--brand-deep);font-weight:800;font-size:15px;border:1px solid #fff;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-light:hover{color:var(--brand-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.20);}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#9fb2bd;padding:54px 0 24px;margin-top:8px;}
.footer h4{color:#fff;font-size:14.5px;margin-bottom:14px;letter-spacing:.4px;}
.footer p{font-size:13.8px;line-height:1.9;color:#9fb2bd;}
.footer a{color:#9fb2bd;font-size:13.8px;line-height:2.1;}
.footer a:hover{color:#fff;}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer__brand b{color:#fff;font-size:16px;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.10);margin-top:36px;padding-top:18px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7f95a1;
}
.footer__bottom a{font-size:13px;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .chip--hide{display:none;}
  .topsearch{max-width:300px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .statgrid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .tl-item:nth-child(2)::before{background:linear-gradient(90deg,#dbe7e8,transparent);}
}
@media (max-width:1024px){
  .layout{grid-template-columns:minmax(0,1fr);gap:22px;padding:calc(var(--topbar-h) + 18px) 18px 48px;}
  .side{
    position:fixed;top:0;left:0;bottom:0;width:286px;max-height:none;z-index:1050;
    background:#fff;padding:calc(var(--topbar-h) + 14px) 14px 20px;overflow-y:auto;
    transform:translateX(-102%);transition:transform .28s ease;box-shadow:var(--shadow-l);
  }
  .side.is-open{transform:none;}
  .side__inner{border:0;box-shadow:none;padding:0;}
  .side__mobile{display:block;}
  .menubtn{display:inline-flex;}
  .hero__cols{grid-template-columns:minmax(0,1fr);gap:26px;}
  .split{grid-template-columns:minmax(0,1fr);gap:22px;}
  .split__aside{position:static;}
  .cta{grid-template-columns:minmax(0,1fr);}
  .panel{padding:26px 22px;}
  .hero-soft{padding:32px 24px 28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:880px){
  .topsearch{display:none;}
  .topnav{display:none;}
}
@media (max-width:768px){
  body{font-size:15px;}
  .hero-soft h1{font-size:27px;}
  .sec-head h2,.sec--dark h2,.cta h2{font-size:22px;}
  .grid-2,.grid-3{grid-template-columns:minmax(0,1fr);}
  .sec--dark{padding:28px 22px;}
  .cta{padding:28px 22px;}
  .newsitem{flex-direction:column;gap:6px;}
  .footer{padding:40px 0 20px;}
}
@media (max-width:520px){
  .layout{padding:calc(var(--topbar-h) + 14px) 12px 40px;}
  .topbar__inner{padding:0 12px;gap:10px;}
  .brand__sub{display:none;}
  .btn-brand{height:36px;padding:0 12px;font-size:13px;}
  .hero-soft{padding:26px 18px 22px;border-radius:var(--radius);}
  .hero-soft h1{font-size:23.5px;}
  .panel{padding:22px 16px;border-radius:var(--radius);}
  .statgrid,.timeline{grid-template-columns:minmax(0,1fr);}
  .tl-item::before{display:none;}
  .card,.quote{padding:18px;}
}

/* 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}