/* roulang page: index */
:root{
  --brand-1:#3d5afe;
  --brand-2:#7a5cff;
  --accent:#00bfa5;
  --ink:#0f182b;
  --ink-2:#2b374e;
  --muted:#63708a;
  --line:#e5e9f2;
  --canvas:#f4f6fc;
  --surface:#ffffff;
  --dark:#0b1220;
  --radius-xl:22px;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(16,24,40,.05);
  --shadow-md:0 14px 34px rgba(16,24,40,.10);
  --shadow-lg:0 26px 64px rgba(16,24,40,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink);
  background:var(--canvas);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
h1,h2,h3,h4,h5,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.container,.container-fluid{max-width:1180px !important;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.90);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(16,24,40,.05);
}
.site-header .navbar{padding:0;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 6px 16px rgba(61,90,254,.30);
}
.brand-mark svg{width:19px;height:19px;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
  padding:8px 14px;border-radius:9px;
  font-size:14.5px;font-weight:500;color:var(--ink-2);
  position:relative;transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--brand-1);background:#eef1fd;}
.main-nav .nav-link.active{color:var(--brand-1);font-weight:600;background:#eef1fd;}
.nav-cta{margin-left:14px;}
.navbar-toggler{
  border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.navbar-toggler:hover{border-color:#c9d3ea;box-shadow:var(--shadow-sm);}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand-1);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:11px;padding:12px 26px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  min-height:44px;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  color:#fff;box-shadow:0 8px 22px rgba(61,90,254,.28);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(61,90,254,.38);color:#fff;}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(61,90,254,.32);}
.btn-ghost{
  background:rgba(255,255,255,.10);color:#fff;
  border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-line{
  background:#fff;color:var(--brand-1);border-color:#c9d4f8;
}
.btn-line:hover{background:#eef1fd;border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;border-radius:9px;}

/* ============ 通用 ============ */
.section{padding:78px 0;}
.section--alt{background:#fff;}
.section--dark{background:var(--dark);color:#e9eefb;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.015em;line-height:1.35;margin:12px 0 12px;}
.section-head p{color:var(--muted);font-size:15px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head--center .eyebrow{margin-left:auto;margin-right:auto;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:600;letter-spacing:.05em;
  color:var(--brand-1);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:#eef1fd;color:var(--brand-1);
  border:1px solid #dde4fb;
}
.tag--mint{background:#e6faf6;color:#00836f;border-color:#c8f1e8;}
.tag--violet{background:#f2eeff;color:#6444d6;border-color:#e2daff;}
.card-soft{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  padding:26px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.ico-box{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#eef1fd,#e8ecfe);color:var(--brand-1);margin-bottom:16px;
}
.ico-box svg{width:22px;height:22px;}
.empty-note{
  padding:28px;border:1px dashed #ccd5e8;border-radius:var(--radius-md);
  background:#fbfcff;color:var(--muted);text-align:center;font-size:14.5px;
}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:84px 0 92px;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/825092c72deb08fb.webp');
  background-size:cover;background-position:center;opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(8,13,24,.96) 0%,rgba(11,18,32,.88) 46%,rgba(12,20,36,.60) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  color:#fff;backdrop-filter:blur(8px);margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.22);}
.hero h1{
  font-size:40px;line-height:1.24;font-weight:800;letter-spacing:-.02em;
  color:#fff;margin:0 0 20px;max-width:14em;
}
.hero-lead{max-width:620px;color:rgba(232,238,250,.82);font-size:15.5px;line-height:1.85;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);color:#dfe7f8;
  transition:background .2s ease,border-color .2s ease;
}
.pill:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32);}
.hero-poster{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 34px 80px rgba(0,0,0,.55);
}
.hero-poster img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.poster-tag{
  position:absolute;left:16px;top:16px;
  padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(11,18,32,.72);color:#fff;border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(8px);
}
.poster-foot{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 18px 16px;
  background:linear-gradient(180deg,rgba(11,18,32,0),rgba(11,18,32,.86));
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#dbe4f6;
}
.poster-score{font-weight:700;font-size:15px;color:#fff;}

/* ============ 指标 ============ */
.metrics{background:#fff;padding:44px 0;border-bottom:1px solid var(--line);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{padding:6px 18px;border-left:3px solid transparent;border-image:linear-gradient(180deg,var(--brand-1),var(--brand-2)) 1;}
.metric strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.25;}
.metric span{display:block;font-size:13.5px;color:var(--muted);margin-top:4px;}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.cat-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cat-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cat-body h3{font-size:19px;font-weight:700;letter-spacing:-.01em;}
.cat-body p{color:var(--muted);font-size:14.5px;}
.cat-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px;}
.cat-card:hover .cat-link{color:var(--brand-2);}

/* ============ 内容卡片 ============ */
.content-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.content-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.card-media{display:block;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.content-card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.5;letter-spacing:-.01em;}
.card-title a:hover{color:var(--brand-1);}
.card-text{color:var(--muted);font-size:14px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{margin-top:auto;font-size:12.5px;color:#8a94a8;display:flex;gap:10px;align-items:center;}

/* ============ 对比 ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{border-radius:var(--radius-lg);padding:26px;border:1px solid var(--line);background:#fff;}
.compare-col.is-dark{background:linear-gradient(160deg,#121a2e,#1a2540);border-color:#22304f;color:#e7edfa;}
.compare-col h3{font-size:18px;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:9px;}
.compare-row{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed #e7ecf6;font-size:14.5px;line-height:1.7;}
.compare-col.is-dark .compare-row{border-bottom-color:rgba(255,255,255,.12);}
.compare-row:last-child{border-bottom:0;}
.mark{flex:0 0 20px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;margin-top:3px;font-size:11px;font-weight:700;}
.mark.no{background:#fdecec;color:#cf3b3b;}
.mark.yes{background:rgba(0,191,165,.20);color:#2ce0c0;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{padding-top:22px;border-top:3px solid #e3e8f5;transition:border-color .25s ease;}
.step:hover{border-top-color:var(--brand-1);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;margin-bottom:14px;
  background:#eef1fd;color:var(--brand-1);font-weight:800;font-size:14px;
}
.step h4{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

/* ============ 资讯 ============ */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:18px;padding:16px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.news-thumb{flex:0 0 168px;width:168px;border-radius:var(--radius-md);overflow:hidden;}
.news-thumb img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-body h3{font-size:16.5px;font-weight:700;line-height:1.5;}
.news-item:hover .news-body h3{color:var(--brand-1);}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-date{font-size:12.5px;color:#8a94a8;}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:24px;position:sticky;top:88px;
}
.side-panel h3{font-size:17px;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-link{
  display:block;padding:12px 0;font-size:14.5px;line-height:1.65;
  border-bottom:1px dashed #e9eef8;color:var(--ink-2);
  transition:color .2s ease,padding-left .2s ease;
}
.side-link:last-child{border-bottom:0;}
.side-link:hover{color:var(--brand-1);padding-left:6px;}

/* ============ 排行榜 ============ */
.rank-item{
  display:flex;align-items:center;gap:18px;
  padding:18px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:14px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.rank-num{
  flex:0 0 38px;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:#eef1fd;color:var(--brand-1);
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;}
.rank-item:nth-child(2) .rank-num{background:linear-gradient(135deg,#5b79ff,#8a6bff);color:#fff;}
.rank-item:nth-child(3) .rank-num{background:linear-gradient(135deg,#8aa0ff,#a99cff);color:#fff;}
.rank-main{flex:1;min-width:0;}
.rank-main h4{font-size:16px;font-weight:700;margin-bottom:7px;}
.rank-bar{height:7px;border-radius:6px;background:#eef1fa;overflow:hidden;}
.rank-bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--brand-1),var(--accent));}
.rank-score{flex:0 0 auto;font-size:14px;font-weight:700;color:var(--brand-1);}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.scene-card{
  display:flex;gap:18px;padding:24px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.scene-card .ico-box{margin-bottom:0;flex:0 0 46px;}
.scene-card h4{font-size:16.5px;font-weight:700;margin-bottom:7px;}
.scene-card p{font-size:14px;color:var(--muted);}

/* ============ 口碑 ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.voice{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-sm);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.voice::before{
  content:"“";position:absolute;right:20px;top:6px;
  font-size:56px;line-height:1;color:#e8eefb;font-weight:800;
}
.voice p{font-size:14.5px;color:var(--ink-2);position:relative;z-index:1;margin-bottom:16px;}
.voice-user{display:flex;align-items:center;gap:11px;}
.avatar{
  width:38px;height:38px;border-radius:50%;flex:0 0 38px;
  display:grid;place-items:center;font-weight:700;font-size:14px;color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.voice-user strong{display:block;font-size:14px;}
.voice-user span{display:block;font-size:12.5px;color:var(--muted);}

/* ============ 合作 ============ */
.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.partner{
  padding:24px 16px;text-align:center;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-md);
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
}
.partner:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8ea;color:var(--brand-1);}

/* ============ 保障条 ============ */
.guard{background:linear-gradient(140deg,#0d1526,#17223b);color:#e8eefb;border-radius:var(--radius-xl);padding:38px 34px;box-shadow:var(--shadow-lg);}
.guard h2{font-size:24px;font-weight:700;margin-bottom:10px;}
.guard > p{color:rgba(226,234,248,.72);font-size:14.5px;max-width:640px;margin-bottom:28px;}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.guard-item{padding-left:16px;border-left:2px solid rgba(122,92,255,.55);}
.guard-item strong{display:block;font-size:15px;margin-bottom:7px;}
.guard-item span{font-size:13.5px;color:rgba(226,234,248,.70);line-height:1.7;}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c9d4f8;box-shadow:var(--shadow-md);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;font-weight:700;font-size:16px;
  background:#eef1fd;color:var(--brand-1);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-answer{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ============ 表单 ============ */
.try-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:42px;box-shadow:var(--shadow-md);
}
.try-copy h2{font-size:28px;font-weight:700;letter-spacing:-.015em;margin:12px 0 14px;}
.try-copy p{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.try-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);padding:7px 0;}
.try-points li::before{
  content:"";flex:0 0 16px;width:16px;height:16px;border-radius:50%;margin-top:5px;
  background:linear-gradient(135deg,var(--brand-1),var(--accent));
}
.try-form{display:flex;flex-direction:column;gap:16px;}
.field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:7px;color:var(--ink-2);}
.field input,.field textarea{
  width:100%;padding:12px 15px;border-radius:10px;
  border:1px solid #d8e0f0;background:#fbfcff;font-size:14.5px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-1);background:#fff;
  box-shadow:0 0 0 4px rgba(61,90,254,.12);
}
.field textarea{resize:vertical;min-height:88px;}
.form-note{font-size:12.5px;color:#8a94a8;line-height:1.7;}
.form-msg{display:none;font-size:14px;font-weight:600;color:#00836f;background:#e6faf6;border:1px solid #c8f1e8;padding:11px 15px;border-radius:10px;}
.form-msg.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#0b1220;color:#c6d0e4;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(198,208,228,.74);max-width:380px;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col a{display:block;font-size:14px;color:rgba(198,208,228,.74);padding:6px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-col p{font-size:14px;color:rgba(198,208,228,.70);line-height:1.85;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;font-size:13px;color:rgba(198,208,228,.56);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero h1{font-size:33px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:26px;}
  .partner-grid{grid-template-columns:repeat(2,1fr);}
  .guard-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr 1fr;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:26px;}
}
@media (max-width:991.98px){
  .section{padding:60px 0;}
  .main-nav{display:block;padding-top:8px;}
  .main-nav .nav-link{padding:11px 12px;font-size:15px;}
  .nav-cta{margin:12px 0 4px;}
  .navbar-collapse{
    background:#fff;border:1px solid var(--line);border-radius:14px;
    margin-top:12px;padding:12px 16px 16px;box-shadow:var(--shadow-md);
  }
  .hero{padding:60px 0 68px;}
  .hero h1{font-size:30px;max-width:none;}
  .hero-poster{margin-top:34px;}
  .side-panel{position:static;margin-top:16px;}
  .compare-wrap{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .try-wrap{grid-template-columns:1fr;padding:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:50px 0;}
  .section-head h2{font-size:23px;}
  .hero h1{font-size:26px;line-height:1.32;}
  .hero-lead{font-size:14.5px;}
  .cat-grid{grid-template-columns:1fr;}
  .news-item{flex-direction:column;gap:14px;}
  .news-thumb{flex:none;width:100%;}
  .news-thumb img{aspect-ratio:16/9;}
  .voice-grid{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:1fr 1fr;}
  .guard{padding:28px 22px;}
  .guard-grid{grid-template-columns:1fr;}
  .metric strong{font-size:25px;}
  .try-copy h2{font-size:23px;}
}
@media (max-width:519.98px){
  .hero{padding:48px 0 56px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .metric{padding:4px 12px;}
  .metric strong{font-size:22px;}
  .metric span{font-size:12.5px;}
  .steps{grid-template-columns:1fr;}
  .partner-grid{grid-template-columns:1fr;}
  .rank-item{padding:14px 16px;gap:12px;}
  .rank-num{flex:0 0 32px;width:32px;height:32px;font-size:13.5px;}
  .rank-main h4{font-size:14.5px;}
  .faq-item summary{font-size:15px;padding:15px 16px;}
  .faq-answer{padding:0 16px 16px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .try-wrap{padding:22px;}
}

/* roulang page: article */
:root{
 --brand-1:#3d5afe;
 --brand-2:#7a5cff;
 --accent:#00bfa5;
 --ink:#0f182b;
 --ink-2:#2b374e;
 --muted:#63708a;
 --line:#e5e9f2;
 --canvas:#f4f6fc;
 --surface:#ffffff;
 --dark:#0b1220;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius-md:12px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(16,24,40,.05);
 --shadow-md:0 14px 34px rgba(16,24,40,.10);
 --shadow-lg:0 26px 64px rgba(16,24,40,.18);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--canvas);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
p{margin:0 0 14px;}
.container,.container-fluid{max-width:1180px !important;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
::selection{background:rgba(61,90,254,.16);}

/* ============ 导航 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.90);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(16,24,40,.05);
}
.site-header .navbar{padding:0;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{
 width:34px;height:34px;flex:0 0 34px;border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 6px 16px rgba(61,90,254,.30);
}
.brand-mark svg{width:19px;height:19px;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
 padding:8px 14px;border-radius:9px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 position:relative;transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--brand-1);background:#eef1fd;}
.main-nav .nav-link.active{color:var(--brand-1);font-weight:600;background:#eef1fd;}
.nav-cta{margin-left:14px;}
.navbar-toggler{
 border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:#fff;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.navbar-toggler:hover{border-color:#c9d3ea;box-shadow:var(--shadow-sm);}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand-1);outline-offset:2px;}
.navbar-toggler-icon{
 width:22px;height:22px;
 background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%230f182b' stroke-width='2.4' stroke-linecap='round' d='M4 8h22M4 15h22M4 22h22'/%3E%3C/svg%3E");
 background-size:22px 22px;background-repeat:no-repeat;background-position:center;
}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:11px;padding:12px 26px;
 font-size:15px;font-weight:600;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 min-height:44px;
}
.btn-brand{
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 color:#fff;box-shadow:0 8px 22px rgba(61,90,254,.28);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(61,90,254,.38);color:#fff;}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(61,90,254,.32);}
.btn-ghost{
 background:rgba(255,255,255,.10);color:#fff;
 border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand-1);border-color:#c9d4f8;}
.btn-line:hover{background:#eef1fd;border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;border-radius:9px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
 outline:2px solid var(--brand-1);outline-offset:2px;
}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section--alt{background:#fff;}
.section--tight{padding-top:0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.015em;line-height:1.38;margin:12px 0 12px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--brand-1);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;line-height:1.6;
 background:#eef1fd;color:var(--brand-1);border:1px solid #dde4fb;
}
.tag--mint{background:#e6faf6;color:#00836f;border-color:#c8f1e8;}
.tag--violet{background:#f2eeff;color:#6444d6;border-color:#e2daff;}
.card-soft{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:26px;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}

/* ============ 文章头部 ============ */
.article-hero{
 position:relative;overflow:hidden;background:var(--dark);color:#fff;
 padding:64px 0 60px;
}
.article-hero::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/825092c72deb08fb.webp');
 background-size:cover;background-position:center;opacity:.30;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(8,13,24,.96) 0%,rgba(11,18,32,.90) 52%,rgba(13,21,38,.66) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.crumb{
 display:flex;align-items:center;flex-wrap:wrap;gap:8px;
 font-size:13px;color:rgba(226,233,248,.66);margin-bottom:20px;
}
.crumb a{color:rgba(226,233,248,.86);}
.crumb a:hover{color:#fff;}
.crumb span.sep{color:rgba(226,233,248,.38);}
.article-hero h1{
 font-size:34px;line-height:1.32;font-weight:800;letter-spacing:-.02em;
 color:#fff;margin:0 0 18px;max-width:22em;
}
.hero-summary{
 max-width:720px;color:rgba(228,235,248,.80);
 font-size:15px;line-height:1.85;margin:0 0 24px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:rgba(226,233,248,.70);}
.hero-meta b{color:#fff;font-weight:600;}
.hero-chips{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.chip{
 display:inline-flex;align-items:center;gap:7px;
 padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);
 color:#eaf0ff;backdrop-filter:blur(8px);
}

/* ============ 文章主体布局 ============ */
.article-wrap{padding:60px 0 76px;background:var(--canvas);}
.article-layout{
 display:grid;grid-template-columns:minmax(0,1fr) 320px;
 gap:34px;align-items:start;
}
.article-main{max-width:720px;min-width:0;}
.article-panel{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);
 padding:34px 36px;
}
.article-cover{
 border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--line);box-shadow:var(--shadow-sm);
 margin-bottom:26px;background:#e9edf7;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-body{font-size:15.5px;line-height:1.85;color:var(--ink-2);word-break:break-word;}
.article-body h2{
 font-size:22px;font-weight:700;color:var(--ink);
 margin:34px 0 14px;padding-left:13px;
 border-left:4px solid var(--brand-1);line-height:1.5;
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink);margin:26px 0 10px;}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:22px 0 8px;}
.article-body p{margin:0 0 16px;}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body li{margin-bottom:8px;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body a{color:var(--brand-1);border-bottom:1px solid #c9d4f8;}
.article-body a:hover{border-bottom-color:var(--brand-1);}
.article-body blockquote{
 margin:20px 0;padding:16px 20px;
 background:#f6f8ff;border-left:4px solid var(--brand-2);
 border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body img{border-radius:12px;margin:18px 0;height:auto;}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.article-body th,.article-body td{padding:10px 12px;border:1px solid var(--line);text-align:left;}
.article-body th{background:#f5f7fd;color:var(--ink);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:26px 0;}
.empty-box{
 text-align:center;padding:56px 20px;
 border:1px dashed #cfd8ea;border-radius:var(--radius-lg);
 background:#fafbff;
}
.empty-box h2{font-size:20px;margin:0 0 10px;color:var(--ink);}
.empty-box p{color:var(--muted);margin:0 0 20px;}

/* ============ 侧栏 ============ */
.side-col{position:sticky;top:84px;display:flex;flex-direction:column;gap:20px;}
.side-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:22px;
}
.side-card h3{
 font-size:15px;font-weight:700;color:var(--ink);
 margin:0 0 14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
 content:"";width:6px;height:6px;border-radius:2px;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:14px;color:var(--ink-2);line-height:1.7;
 padding:9px 0;border-bottom:1px dashed #eef1f8;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li:first-child{padding-top:0;}
.side-list .num{
 flex:0 0 20px;height:20px;border-radius:6px;margin-top:2px;
 display:grid;place-items:center;
 font-size:11.5px;font-weight:700;color:var(--brand-1);background:#eef1fd;
}
.side-link{
 display:flex;align-items:center;justify-content:space-between;gap:8px;
 padding:10px 12px;border-radius:10px;
 font-size:14px;font-weight:600;color:var(--ink-2);
 background:#f7f9ff;border:1px solid #eaeefb;
 margin-bottom:9px;
 transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.side-link:last-child{margin-bottom:0;}
.side-link:hover{background:#eef1fd;color:var(--brand-1);border-color:#d6dffb;transform:translateX(3px);}
.side-link span.arrow{color:#9aa8c8;font-size:13px;}
.side-note{font-size:13.5px;line-height:1.8;color:var(--muted);margin:0;}

/* ============ 数据看板 ============ */
.stats-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:52px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
 padding:24px 22px;border-radius:var(--radius-lg);
 background:linear-gradient(180deg,#fbfcff,#f4f7ff);
 border:1px solid #e4eafa;
 transition:transform .2s ease,box-shadow .2s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.stat-num{
 font-size:32px;font-weight:800;letter-spacing:-.02em;line-height:1.2;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-label{font-size:14px;font-weight:600;color:var(--ink);margin:6px 0 4px;}
.stat-desc{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}

/* ============ 判定路径卡 ============ */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.path-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:26px 24px;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.path-icon{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:#eef1fd;color:var(--brand-1);margin-bottom:16px;
}
.path-icon svg{width:21px;height:21px;}
.path-card h3{font-size:17px;font-weight:700;margin:0 0 10px;color:var(--ink);}
.path-card p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 14px;}
.path-points{list-style:none;margin:0;padding:0;}
.path-points li{
 position:relative;padding-left:16px;font-size:13.5px;
 color:var(--ink-2);line-height:1.75;margin-bottom:7px;
}
.path-points li::before{
 content:"";position:absolute;left:0;top:9px;
 width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ============ 判定对照 ============ */
.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.compare-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:0;overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease;
}
.compare-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.compare-head{
 padding:16px 22px;background:linear-gradient(135deg,#f0f3ff,#f8f5ff);
 border-bottom:1px solid #e6ebfa;
 display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.compare-head h3{font-size:15.5px;font-weight:700;margin:0;color:var(--ink);}
.compare-body{padding:20px 22px;}
.compare-row{
 display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed #eef1f8;
 font-size:13.5px;line-height:1.75;color:var(--ink-2);
}
.compare-row:last-child{border-bottom:0;padding-bottom:0;}
.compare-row b{flex:0 0 62px;color:var(--ink);font-weight:600;}

/* ============ 里程碑时间线 ============ */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
 content:"";position:absolute;left:6px;top:6px;bottom:6px;
 width:2px;background:linear-gradient(180deg,var(--brand-1),rgba(122,92,255,.15));
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
 content:"";position:absolute;left:-26px;top:6px;
 width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--brand-1);
 box-shadow:0 0 0 4px rgba(61,90,254,.10);
}
.tl-item h3{font-size:16px;font-weight:700;margin:0 0 6px;color:var(--ink);}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.tl-tag{margin-bottom:8px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 padding:20px 24px;box-shadow:var(--shadow-sm);
 transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:#cfd8ea;box-shadow:var(--shadow-md);transform:translateY(-2px);}
.faq-item h3{
 font-size:15.5px;font-weight:700;color:var(--ink);margin:0 0 8px;
 display:flex;gap:10px;align-items:flex-start;
}
.faq-item h3 .q{
 flex:0 0 24px;height:24px;border-radius:8px;display:grid;place-items:center;
 font-size:12.5px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.faq-item p{font-size:14px;line-height:1.8;color:var(--muted);margin:0 0 0 34px;}

/* ============ 提交核对 ============ */
.check-band{
 background:var(--dark);color:#e9eefb;position:relative;overflow:hidden;
}
.check-band::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/9aa0daa9bfa2b809.jpg');
 background-size:cover;background-position:center;opacity:.14;
}
.check-band .container{position:relative;z-index:2;}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.check-copy h2{font-size:28px;font-weight:700;color:#fff;margin:12px 0 14px;line-height:1.4;}
.check-copy p{color:rgba(226,233,248,.78);font-size:15px;line-height:1.85;margin:0 0 20px;}
.check-points{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.check-points li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:14px;color:rgba(226,233,248,.84);line-height:1.75;
}
.check-points li svg{flex:0 0 18px;width:18px;height:18px;margin-top:3px;color:var(--accent);}
.form-card{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-xl);padding:28px;backdrop-filter:blur(10px);
}
.form-card .field{margin-bottom:16px;}
.form-card label{
 display:block;font-size:13.5px;font-weight:600;color:#dbe4f7;margin-bottom:7px;
}
.form-card input,.form-card textarea{
 width:100%;border-radius:10px;padding:11px 14px;
 background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.30);
 color:var(--ink);font-size:14.5px;line-height:1.6;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.form-card input::placeholder,.form-card textarea::placeholder{color:#94a1bb;}
.form-card input:focus,.form-card textarea:focus{
 outline:none;border-color:var(--accent);
 box-shadow:0 0 0 3px rgba(0,191,165,.24);
}
.form-card textarea{min-height:110px;resize:vertical;}
.form-tip{
 display:none;margin-top:14px;padding:11px 14px;border-radius:10px;
 background:rgba(0,191,165,.16);border:1px solid rgba(0,191,165,.42);
 color:#c8fff5;font-size:13.5px;line-height:1.7;
}
.form-tip.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#a9b5cd;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:42px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;white-space:nowrap;}
.footer-desc{font-size:14px;line-height:1.85;color:#9aa8c4;max-width:360px;margin:0;}
.footer-col h4{font-size:14.5px;color:#fff;font-weight:600;margin:0 0 14px;letter-spacing:.02em;}
.footer-col a{display:block;font-size:14px;color:#9aa8c4;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-col p{font-size:13.5px;line-height:1.85;color:#9aa8c4;margin:0;}
.footer-bottom{
 margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:#7f8da8;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .article-layout{grid-template-columns:minmax(0,1fr) 288px;gap:26px;}
 .stats-grid{grid-template-columns:repeat(2,1fr);}
 .path-grid,.compare-grid{grid-template-columns:repeat(2,1fr);}
 .check-grid{grid-template-columns:1fr;gap:30px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .brand-name{font-size:16px;}
}
@media (max-width:768px){
 .section{padding:54px 0;}
 .article-hero{padding:46px 0 44px;}
 .article-hero h1{font-size:26px;}
 .hero-summary{font-size:14.5px;}
 .article-wrap{padding:40px 0 56px;}
 .article-layout{grid-template-columns:minmax(0,1fr);}
 .article-main{max-width:none;}
 .side-col{position:static;top:auto;}
 .article-panel{padding:24px 20px;border-radius:var(--radius-lg);}
 .article-body{font-size:15px;}
 .article-body h2{font-size:20px;}
 .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
 .path-grid,.compare-grid{grid-template-columns:1fr;}
 .section-head h2{font-size:23px;}
 .check-copy h2{font-size:23px;}
 .main-nav{padding:10px 0 4px;}
 .main-nav .nav-link{padding:10px 12px;font-size:15px;}
 .nav-cta{margin:8px 0 14px;}
 .nav-cta .btn-brand{width:100%;}
 .site-header .navbar-collapse{
  border-top:1px solid var(--line);margin-top:8px;padding-top:6px;
 }
 .faq-item{padding:18px;}
 .faq-item p{margin-left:0;margin-top:8px;}
}
@media (max-width:520px){
 .article-hero h1{font-size:22px;}
 .stat-num{font-size:26px;}
 .stats-grid{grid-template-columns:1fr 1fr;gap:12px;}
 .stat-card{padding:18px 16px;}
 .footer-grid{grid-template-columns:1fr;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .form-card{padding:20px;}
 .btn-brand,.btn-ghost,.btn-line{padding:11px 20px;font-size:14.5px;}
 .hero-meta{font-size:12.5px;gap:8px 16px;}
}

/* roulang page: category1 */
:root{
 --brand-1:#3d5afe;
 --brand-2:#7a5cff;
 --accent:#00bfa5;
 --ink:#0f182b;
 --ink-2:#2b374e;
 --muted:#63708a;
 --line:#e5e9f2;
 --canvas:#f4f6fc;
 --surface:#ffffff;
 --dark:#0b1220;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius-md:12px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(16,24,40,.05);
 --shadow-md:0 14px 34px rgba(16,24,40,.10);
 --shadow-lg:0 26px 64px rgba(16,24,40,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);
 background:var(--canvas);
 -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;}
.container,.container-fluid{max-width:1180px !important;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
section[id]{scroll-margin-top:86px;}

/* ================= 导航 ================= */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.92);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(16,24,40,.05);
}
.site-header .navbar{padding:0;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{
 width:34px;height:34px;flex:0 0 34px;border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 6px 16px rgba(61,90,254,.30);
}
.brand-mark svg{width:19px;height:19px;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
 padding:8px 14px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--brand-1);background:#eef1fd;}
.main-nav .nav-link.active{color:var(--brand-1);font-weight:600;background:#eef1fd;}
.nav-cta{margin-left:14px;}
.navbar-toggler{
 border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:#fff;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.navbar-toggler:hover{border-color:#c9d3ea;box-shadow:var(--shadow-sm);}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand-1);outline-offset:2px;}

/* ================= 按钮 ================= */
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:11px;padding:12px 26px;font-size:15px;font-weight:600;line-height:1.2;
 border:1px solid transparent;cursor:pointer;min-height:44px;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(61,90,254,.28);}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(61,90,254,.38);color:#fff;}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(61,90,254,.32);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand-1);border-color:#c9d4f8;}
.btn-line:hover{background:#eef1fd;border-color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;border-radius:9px;}
.btn-block{width:100%;}

/* ================= 通用 ================= */
.section{padding:78px 0;}
.section--alt{background:#fff;}
.section--tint{background:#eef1fb;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.015em;line-height:1.35;margin:12px 0;color:var(--ink);}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85;}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--brand-1);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}
.eyebrow--light{color:#9fb2ff;}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;line-height:1.6;
 background:#eef1fd;color:var(--brand-1);border:1px solid #dde4fb;
}
.tag--mint{background:#e6faf6;color:#00836f;border-color:#c8f1e8;}
.tag--violet{background:#f2eeff;color:#6444d6;border-color:#e2daff;}
.tag--glass{background:rgba(255,255,255,.12);color:#eaf0ff;border-color:rgba(255,255,255,.26);backdrop-filter:blur(8px);}
.card-soft{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);padding:26px;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.icon-box{
 width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
 background:linear-gradient(135deg,#eef1fd,#f5f1ff);border:1px solid #e2e8fb;color:var(--brand-1);
 margin-bottom:18px;
}
.icon-box svg{width:22px;height:22px;}

/* ================= 分类 Hero ================= */
.cat-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:70px 0 88px;}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/825092c72deb08fb.webp');
 background-size:cover;background-position:center;opacity:.30;
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(8,13,24,.97) 0%,rgba(11,18,32,.90) 48%,rgba(13,21,38,.62) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:46px;align-items:center;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 16px;border-radius:999px;
 font-size:13px;font-weight:600;background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.22);color:#fff;backdrop-filter:blur(8px);margin-bottom:22px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.22);}
.cat-hero h1{
 font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.02em;
 color:#fff;margin:0 0 18px;
}
.cat-hero h1 em{
 font-style:normal;
 background:linear-gradient(100deg,#8fa5ff,#b79cff 60%,#5ee6cf);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:rgba(232,238,250,.82);font-size:15.5px;line-height:1.88;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-kpi{
 display:flex;flex-wrap:wrap;gap:34px;margin-top:34px;padding-top:26px;
 border-top:1px solid rgba(255,255,255,.14);
}
.kpi-item strong{display:block;font-size:26px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1.2;}
.kpi-item span{font-size:13px;color:rgba(226,234,250,.66);}
.cat-hero-visual{position:relative;}
.visual-frame{
 border-radius:24px;overflow:hidden;border:1px solid rgba(255,255,255,.20);
 box-shadow:var(--shadow-lg);transform:rotate(-2.2deg);
 background:#101a2e;
}
.visual-frame img{width:100%;height:100%;aspect-ratio:5/4;object-fit:cover;}
.visual-float{
 position:absolute;left:-18px;bottom:-24px;width:min(268px,78%);
 background:#fff;color:var(--ink);border-radius:var(--radius-md);
 box-shadow:var(--shadow-lg);padding:16px 18px;border:1px solid #e8ecf7;
 transform:rotate(1.4deg);
}
.visual-float strong{display:block;font-size:22px;font-weight:800;background:linear-gradient(120deg,var(--brand-1),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.visual-float span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px;line-height:1.6;}

/* ================= 指标看板 ================= */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);
 padding:26px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.stat-num{
 font-size:34px;font-weight:800;letter-spacing:-.03em;line-height:1.1;
 background:linear-gradient(120deg,var(--brand-1),var(--brand-2));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:15px;font-weight:700;margin-left:4px;color:var(--ink-2);-webkit-text-fill-color:var(--ink-2);}
.stat-label{font-size:15px;font-weight:700;margin:10px 0 6px;color:var(--ink);}
.stat-note{font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ================= 条目矩阵 ================= */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.entry-card h3{font-size:17.5px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em;}
.entry-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px;}
.entry-card .card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px dashed var(--line);padding-top:14px;}
.entry-meta{font-size:12.5px;color:#8b97ad;font-weight:600;letter-spacing:.02em;}

/* ================= 判定流程 ================= */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow;}
.flow-item{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:28px 22px 24px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.flow-item::before{
 counter-increment:flow;content:"0" counter(flow);
 position:absolute;top:18px;right:20px;font-size:13px;font-weight:800;letter-spacing:.08em;
 color:#c3cce4;
}
.flow-item h3{font-size:16.5px;font-weight:700;margin-bottom:8px;}
.flow-item p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ================= 对比 ================= */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-panel{
 border-radius:var(--radius-lg);padding:28px;border:1px solid var(--line);
 background:#fff;box-shadow:var(--shadow-sm);height:100%;
}
.compare-panel--brand{
 background:linear-gradient(160deg,#0f1b33,#131f3d 55%,#1a2a58);
 border-color:#22315a;color:#e8eefc;box-shadow:var(--shadow-md);
}
.compare-panel h3{font-size:18px;font-weight:700;margin-bottom:6px;}
.compare-panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.compare-panel--brand .panel-sub{color:rgba(226,234,250,.64);}
.compare-list li{
 display:flex;gap:12px;align-items:flex-start;padding:11px 0;
 border-bottom:1px dashed var(--line);font-size:14px;line-height:1.75;
}
.compare-panel--brand .compare-list li{border-bottom-color:rgba(255,255,255,.12);color:#d6def0;}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.mark{
 flex:0 0 22px;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
 font-size:12px;font-weight:800;margin-top:2px;
 background:#eef1fd;color:var(--brand-1);border:1px solid #dbe3fb;
}
.compare-panel--brand .mark{background:rgba(94,230,207,.14);color:#5ee6cf;border-color:rgba(94,230,207,.34);}

/* ================= 里程碑（深色） ================= */
.section--dark{background:var(--dark);color:#e9eefb;position:relative;overflow:hidden;}
.section--dark::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/9aa0daa9bfa2b809.jpg');
 background-size:cover;background-position:center;opacity:.14;
}
.section--dark .container{position:relative;z-index:2;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(226,234,250,.68);}
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.tl-item{
 background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-lg);padding:26px 22px;
 transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.tl-item:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);border-color:rgba(140,165,255,.42);}
.tl-step{
 display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:11px;
 font-size:14px;font-weight:800;color:#0b1220;
 background:linear-gradient(135deg,#9fb2ff,#5ee6cf);margin-bottom:16px;
}
.tl-item h3{font-size:16.5px;font-weight:700;color:#fff;margin-bottom:8px;}
.tl-item p{font-size:13.8px;line-height:1.8;color:rgba(220,229,246,.72);}

/* ================= 场景 ================= */
.scene-card{display:flex;gap:16px;align-items:flex-start;}
.scene-card .icon-box{margin-bottom:0;flex:0 0 46px;}
.scene-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ================= 误区 ================= */
.pit-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.pit-item{
 display:flex;gap:16px;background:#fff;border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pit-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d5ddef;}
.pit-index{
 flex:0 0 36px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#7a2b9e;
 background:linear-gradient(135deg,#f6eaff,#efe3ff);border:1px solid #e8d8fb;
}
.pit-item h3{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.pit-item p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* ================= FAQ ================= */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cfd8ea;box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
 font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
 border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
 transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-item summary:focus-visible{outline:2px solid var(--brand-1);outline-offset:-2px;}
.faq-body{padding:0 22px 20px;font-size:14.2px;color:var(--muted);line-height:1.85;}

/* ================= CTA / 表单 ================= */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(120deg,#101a33,#17244a 52%,#0f2a3f);color:#fff;padding:70px 0;}
.cta-band::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/799578e24aa0f2fe.webp');
 background-size:cover;background-position:center;opacity:.16;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.cta-copy h2{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.35;margin:12px 0 14px;color:#fff;}
.cta-copy p{color:rgba(226,234,250,.76);font-size:15px;line-height:1.85;margin-bottom:20px;}
.cta-list li{display:flex;gap:10px;align-items:center;font-size:14px;color:rgba(226,234,250,.82);padding:6px 0;}
.cta-list li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 7px;}
.cta-form{
 background:#fff;border-radius:var(--radius-xl);padding:28px;box-shadow:var(--shadow-lg);
 border:1px solid rgba(255,255,255,.5);color:var(--ink);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-2);margin-bottom:7px;}
.form-row input,.form-row select,.form-row textarea{
 width:100%;border:1px solid #dde3ef;border-radius:10px;padding:11px 14px;
 font-size:14px;color:var(--ink);background:#fbfcff;min-height:44px;
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-row textarea{min-height:88px;resize:vertical;line-height:1.7;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
 outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 4px rgba(61,90,254,.12);
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#9aa6bd;}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}

/* ================= 页脚 ================= */
.site-footer{background:var(--dark);color:#aeb9cf;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1.25fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;color:#9aa7c0;max-width:40em;}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col a{display:block;font-size:14px;color:#a7b3cb;padding:5px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col p{font-size:14px;line-height:1.85;color:#9aa7c0;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.10);padding:20px 0;
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 font-size:13px;color:#7f8ca6;
}

/* ================= 响应式 ================= */
@media (max-width:1024px){
 .cat-hero{padding:56px 0 66px;}
 .cat-hero-grid{grid-template-columns:1fr;gap:38px;}
 .cat-hero h1{font-size:34px;}
 .stat-strip{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .flow-grid{grid-template-columns:repeat(2,1fr);}
 .timeline{grid-template-columns:repeat(2,1fr);}
 .cta-grid{grid-template-columns:1fr;gap:32px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .visual-float{left:0;bottom:-18px;}
}
@media (max-width:768px){
 .section{padding:58px 0;}
 .section-head h2{font-size:25px;}
 .cat-hero h1{font-size:29px;}
 .hero-lead{font-size:14.8px;}
 .hero-kpi{gap:24px;}
 .grid-2,.grid-3,.grid-4,.flow-grid,.timeline,.pit-list,.compare-grid{grid-template-columns:1fr;}
 .visual-frame{transform:none;}
 .visual-float{position:static;transform:none;width:100%;margin-top:16px;}
 .main-nav{flex-direction:column;align-items:stretch;gap:2px;padding:12px 0 6px;}
 .main-nav .nav-link{padding:11px 12px;}
 .navbar-collapse{background:#fff;border-top:1px solid var(--line);margin-top:8px;padding-bottom:10px;}
 .nav-cta{margin:10px 0 6px;}
 .nav-cta .btn-brand{width:100%;}
 .footer-grid{grid-template-columns:1fr;gap:28px;}
 .cta-copy h2{font-size:25px;}
 .site-footer{padding-top:48px;}
}
@media (max-width:520px){
 .container,.container-fluid{padding-left:16px;padding-right:16px;}
 .stat-strip{grid-template-columns:1fr;}
 .cat-hero h1{font-size:25px;}
 .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
 .card-soft{padding:22px;}
 .cta-form{padding:22px;}
 .stat-num{font-size:30px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
 --brand-1:#3d5afe;
 --brand-2:#7a5cff;
 --accent:#00bfa5;
 --ink:#0f182b;
 --ink-2:#2b374e;
 --muted:#63708a;
 --line:#e5e9f2;
 --canvas:#f4f6fc;
 --surface:#ffffff;
 --dark:#0b1220;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius-md:12px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(16,24,40,.05);
 --shadow-md:0 14px 34px rgba(16,24,40,.10);
 --shadow-lg:0 26px 64px rgba(16,24,40,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink);
 background:var(--canvas);
 -webkit-font-smoothing:antialiased;
 -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
.container,.container-fluid{max-width:1180px !important;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}

/* ============ 导航 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.90);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(16,24,40,.05);
}
.site-header .navbar{padding:0;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{
 width:34px;height:34px;flex:0 0 34px;border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 6px 16px rgba(61,90,254,.30);
}
.brand-mark svg{width:19px;height:19px;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
 padding:8px 14px;border-radius:9px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 position:relative;transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--brand-1);background:#eef1fd;}
.main-nav .nav-link.active{color:var(--brand-1);font-weight:600;background:#eef1fd;}
.nav-cta{margin-left:14px;}
.navbar-toggler{
 border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:#fff;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.navbar-toggler:hover{border-color:#c9d3ea;box-shadow:var(--shadow-sm);}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand-1);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:11px;padding:12px 26px;
 font-size:15px;font-weight:600;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 min-height:44px;
}
.btn-brand{
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 color:#fff;box-shadow:0 8px 22px rgba(61,90,254,.28);
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(61,90,254,.38);color:#fff;}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(61,90,254,.32);}
.btn-ghost{
 background:rgba(255,255,255,.10);color:#fff;
 border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px);
}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-line{background:#fff;color:var(--brand-1);border-color:#c9d4f8;}
.btn-line:hover{background:#eef1fd;border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;border-radius:9px;}
.btn-brand:focus-visible,.btn-line:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ============ 通用 ============ */
.section{padding:74px 0;position:relative;}
.section--alt{background:#fff;}
.section--dark{background:var(--dark);color:#e9eefb;}
.section-head{max-width:770px;margin-bottom:36px;}
.section-head h2{font-size:29px;font-weight:700;letter-spacing:-.015em;line-height:1.36;margin:12px 0 12px;color:var(--ink);}
.section-head p{color:var(--muted);font-size:15px;line-height:1.8;}
.section--dark .section-head h2{color:#fff;}
.section--dark .section-head p{color:rgba(226,233,246,.78);}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:600;letter-spacing:.05em;
 color:var(--brand-1);
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}
.section--dark .eyebrow{color:#9fb2ff;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;line-height:1.6;
 background:#eef1fd;color:var(--brand-1);
 border:1px solid #dde4fb;
}
.tag--mint{background:#e6faf6;color:#00836f;border-color:#c8f1e8;}
.tag--violet{background:#f2eeff;color:#6444d6;border-color:#e2daff;}
.tag--amber{background:#fff5e6;color:#a7710a;border-color:#ffe6c2;}
.card-soft{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:24px;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}

/* ============ 分类首屏 ============ */
.page-hero{
 position:relative;overflow:hidden;
 background:var(--dark);color:#fff;
 padding:66px 0 72px;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/825092c72deb08fb.webp');
 background-size:cover;background-position:center;
 opacity:.30;
}
.page-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(8,13,24,.97) 0%,rgba(11,18,32,.90) 48%,rgba(20,28,52,.68) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-tag{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:999px;
 font-size:13px;font-weight:600;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
 color:#fff;backdrop-filter:blur(8px);margin-bottom:20px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.22);}
.page-hero h1{
 font-size:36px;line-height:1.28;font-weight:800;letter-spacing:-.02em;
 color:#fff;margin:0 0 18px;max-width:16em;
}
.hero-lead{color:rgba(230,237,250,.84);font-size:15.5px;line-height:1.86;max-width:620px;margin-bottom:24px;}
.status-bar{
 display:flex;flex-wrap:wrap;gap:10px;
 margin-bottom:26px;
}
.status-chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:8px 14px;border-radius:10px;
 background:rgba(255,255,255,.09);
 border:1px solid rgba(255,255,255,.18);
 font-size:13px;color:rgba(236,242,253,.92);
}
.status-chip b{font-size:15px;color:#fff;font-weight:700;}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;}
.hero-tags span{
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;
 background:rgba(0,191,165,.16);
 border:1px solid rgba(0,191,165,.36);
 color:#8ff0e0;
}
.icon-matrix{
 display:grid;grid-template-columns:repeat(2,1fr);gap:14px;
}
.matrix-tile{
 background:linear-gradient(160deg,rgba(255,255,255,.14),rgba(255,255,255,.05));
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:18px 16px;
 backdrop-filter:blur(10px);
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.matrix-tile:hover{transform:translateY(-4px);border-color:rgba(140,165,255,.55);background:linear-gradient(160deg,rgba(255,255,255,.20),rgba(255,255,255,.07));}
.matrix-tile .tile-ico{
 width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
 background:rgba(122,92,255,.28);border:1px solid rgba(160,140,255,.42);
 margin-bottom:12px;
}
.matrix-tile .tile-ico svg{width:18px;height:18px;color:#cfd8ff;}
.matrix-tile h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:5px;}
.matrix-tile p{font-size:12.5px;line-height:1.7;color:rgba(219,228,246,.74);}

/* ============ 指标看板 ============ */
.metric-board{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.metric-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.metric-num{
 font-size:32px;font-weight:800;letter-spacing:-.03em;line-height:1.1;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-num em{font-size:15px;font-style:normal;font-weight:700;margin-left:4px;}
.metric-label{font-size:14px;font-weight:600;color:var(--ink);margin-top:8px;}
.metric-note{font-size:12.8px;color:var(--muted);line-height:1.7;margin-top:4px;}

/* ============ 番型场景矩阵 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.scene-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:24px;height:100%;
 box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.scene-ico{
 width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,#eef1fd,#e6ecff);
 border:1px solid #dde4fb;margin-bottom:14px;
}
.scene-ico svg{width:20px;height:20px;color:var(--brand-1);}
.scene-card h3{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:9px;}
.scene-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:14px;}
.scene-list{margin-top:auto;display:flex;flex-direction:column;gap:7px;}
.scene-list li{
 position:relative;padding-left:16px;
 font-size:13.2px;color:var(--muted);line-height:1.7;
}
.scene-list li::before{
 content:"";position:absolute;left:0;top:9px;
 width:6px;height:6px;border-radius:50%;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.scene-foot{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px;}

/* ============ 对比表 ============ */
.table-wrap{
 overflow-x:auto;
 border:1px solid var(--line);
 border-radius:var(--radius-lg);
 background:#fff;
 box-shadow:var(--shadow-sm);
}
.compare-table{width:100%;min-width:720px;border-collapse:collapse;}
.compare-table thead th{
 background:#f6f8fe;
 font-size:13.5px;font-weight:700;color:var(--ink-2);
 padding:14px 18px;text-align:left;white-space:nowrap;
 border-bottom:1px solid var(--line);
}
.compare-table tbody td{
 padding:15px 18px;font-size:14px;color:var(--ink-2);
 border-bottom:1px solid #eef1f7;line-height:1.75;vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:#fafbff;}
.compare-table .cn-name{font-weight:700;color:var(--ink);white-space:nowrap;}
.compare-table .cn-num{font-weight:700;color:var(--brand-1);white-space:nowrap;}
.compare-table .cn-warn{color:#a7710a;}
.table-note{font-size:13px;color:var(--muted);margin-top:14px;line-height:1.75;}

/* ============ 结算流程里程碑 ============ */
.flow-list{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:flow;}
.flow-item{
 position:relative;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px 18px 20px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.flow-step{
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:9px;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 color:#fff;font-size:13.5px;font-weight:700;
 margin-bottom:12px;box-shadow:0 6px 14px rgba(61,90,254,.26);
}
.flow-item h3{font-size:14.8px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.flow-item p{font-size:13.2px;color:var(--muted);line-height:1.75;}
.flow-item::after{
 content:"";position:absolute;right:-14px;top:44px;
 width:10px;height:10px;border-top:2px solid #c9d4f8;border-right:2px solid #c9d4f8;
 transform:rotate(45deg);
}
.flow-item:last-child::after{display:none;}

/* ============ 保障区 ============ */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.assure-item{
 display:flex;gap:15px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:22px;
 box-shadow:var(--shadow-sm);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.assure-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.assure-item .a-ico{
 flex:0 0 40px;width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:#e6faf6;border:1px solid #c8f1e8;
}
.assure-item .a-ico svg{width:19px;height:19px;color:#00836f;}
.assure-item h3{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.assure-item p{font-size:13.8px;color:var(--ink-2);line-height:1.8;}

/* ============ 快速解答 ============ */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.qa-card{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);padding:24px;
 box-shadow:var(--shadow-sm);height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.qa-card .qa-q{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:10px;line-height:1.6;}
.qa-card .qa-a{font-size:13.8px;color:var(--ink-2);line-height:1.8;}
.qa-card .qa-tag{margin-bottom:12px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.accordion-item{
 border:1px solid var(--line);
 border-radius:var(--radius-md) !important;
 overflow:hidden;margin-bottom:12px;background:#fff;
 box-shadow:var(--shadow-sm);
}
.accordion-button{
 font-weight:600;color:var(--ink);font-size:15.2px;
 padding:18px 20px;background:#fff;line-height:1.6;
}
.accordion-button:not(.collapsed){background:#eef1fd;color:var(--brand-1);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(61,90,254,.35);outline-offset:-2px;}
.accordion-button::after{width:15px;height:15px;background-size:15px;}
.accordion-body{color:var(--ink-2);font-size:14.2px;line-height:1.85;padding:18px 20px 20px;}

/* ============ 转化表单 ============ */
.review-panel{
 display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start;
}
.review-copy h2{font-size:28px;font-weight:700;color:#fff;line-height:1.36;margin:12px 0 14px;}
.review-copy p{font-size:14.8px;color:rgba(226,233,246,.80);line-height:1.85;margin-bottom:18px;}
.review-points{display:flex;flex-direction:column;gap:10px;}
.review-points li{
 display:flex;gap:10px;align-items:flex-start;
 font-size:13.8px;color:rgba(226,233,246,.86);line-height:1.75;
}
.review-points li::before{
 content:"";flex:0 0 6px;width:6px;height:6px;border-radius:50%;margin-top:9px;
 background:var(--accent);
}
.review-form{
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.16);
 border-radius:var(--radius-lg);
 padding:26px;
 backdrop-filter:blur(10px);
}
.form-field{margin-bottom:16px;}
.form-field label{
 display:block;font-size:13.5px;font-weight:600;
 color:rgba(233,240,252,.90);margin-bottom:7px;
}
.form-field select,.form-field input,.form-field textarea{
 width:100%;padding:12px 14px;border-radius:10px;
 background:rgba(255,255,255,.94);
 border:1px solid rgba(255,255,255,.30);
 font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field select:focus,.form-field input:focus,.form-field textarea:focus{
 outline:none;border-color:var(--accent);
 box-shadow:0 0 0 3px rgba(0,191,165,.28);
}
.form-field textarea{min-height:104px;resize:vertical;}
.form-tip{
 margin-top:14px;font-size:13px;line-height:1.75;
 color:rgba(226,233,246,.72);
}
.form-tip.is-on{color:#8ff0e0;font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{
 background:#080d18;color:#c8d3e8;
 padding:56px 0 26px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
 display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:40px;
 padding-bottom:34px;
 border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:16.5px;}
.footer-desc{font-size:13.6px;line-height:1.85;color:rgba(200,211,232,.72);max-width:420px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col a{
 display:block;font-size:13.8px;color:rgba(200,211,232,.80);
 padding:5px 0;transition:color .2s ease,transform .2s ease;
}
.footer-col a:hover{color:#8ff0e0;transform:translateX(3px);}
.footer-col p{font-size:13.4px;line-height:1.85;color:rgba(200,211,232,.72);}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:22px;font-size:12.8px;color:rgba(200,211,232,.60);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .page-hero h1{font-size:32px;}
 .metric-board{grid-template-columns:repeat(2,1fr);}
 .scene-grid{grid-template-columns:repeat(2,1fr);}
 .flow-list{grid-template-columns:repeat(2,1fr);}
 .flow-item::after{display:none;}
 .assure-grid{grid-template-columns:1fr;}
 .qa-grid{grid-template-columns:1fr;}
 .review-panel{grid-template-columns:1fr;gap:28px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
 .main-nav{flex-direction:column;align-items:stretch;gap:2px;padding:10px 0 2px;}
 .main-nav .nav-link{padding:11px 14px;font-size:15px;}
 .nav-cta{margin:10px 0 14px;}
 .site-header .navbar-collapse{background:#fff;border-top:1px solid var(--line);margin-top:8px;padding:0 0 10px;}
 .brand-name{font-size:16px;}
 .section{padding:58px 0;}
 .section-head h2{font-size:25px;}
}
@media (max-width:768px){
 .page-hero{padding:52px 0 58px;}
 .page-hero h1{font-size:28px;}
 .hero-lead{font-size:14.6px;}
 .icon-matrix{grid-template-columns:repeat(2,1fr);}
 .scene-grid{grid-template-columns:1fr;}
 .metric-board{grid-template-columns:repeat(2,1fr);gap:12px;}
 .flow-list{grid-template-columns:1fr;}
 .review-form{padding:20px;}
 .review-copy h2{font-size:24px;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .footer-bottom{flex-direction:column;}
 .section{padding:52px 0;}
}
@media (max-width:520px){
 .container,.container-fluid{padding-left:16px;padding-right:16px;}
 .page-hero h1{font-size:25px;}
 .metric-num{font-size:27px;}
 .metric-board{grid-template-columns:1fr;}
 .icon-matrix{grid-template-columns:1fr;}
 .hero-actions{flex-direction:column;align-items:stretch;}
 .hero-actions .btn-brand,.hero-actions .btn-line{width:100%;}
 .btn-brand,.btn-line,.btn-ghost{min-height:44px;}
 .section-head h2{font-size:22px;}
 .compare-table{min-width:640px;}
}

/* roulang page: category3 */
:root{
 --brand-1:#3d5afe;
 --brand-2:#7a5cff;
 --accent:#00bfa5;
 --ink:#0f182b;
 --ink-2:#2b374e;
 --muted:#63708a;
 --line:#e5e9f2;
 --canvas:#f4f6fc;
 --surface:#ffffff;
 --dark:#0b1220;
 --radius-xl:22px;
 --radius-lg:16px;
 --radius-md:12px;
 --radius-sm:10px;
 --shadow-sm:0 2px 10px rgba(16,24,40,.05);
 --shadow-md:0 14px 34px rgba(16,24,40,.10);
 --shadow-lg:0 26px 64px rgba(16,24,40,.18);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
 font-size:15px;line-height:1.78;color:var(--ink);background:var(--canvas);
 -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 12px;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.015em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:3px;border-radius:6px;}
.container,.container-fluid{max-width:1180px !important;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
.skip-link{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 16px;border-radius:8px;z-index:2000;}
.skip-link:focus{left:12px;top:12px;}
/* ============ 导航 ============ */
.site-header{
 position:sticky;top:0;z-index:1030;
 background:rgba(255,255,255,.90);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
 box-shadow:0 2px 12px rgba(16,24,40,.05);
}
.site-header .navbar{padding:0;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:10px;padding:0;margin-right:8px;}
.brand-mark{
 width:34px;height:34px;flex:0 0 34px;border-radius:10px;
 display:grid;place-items:center;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 6px 16px rgba(61,90,254,.30);
}
.brand-mark svg{width:19px;height:19px;color:#fff;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--ink);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav .nav-link{
 padding:8px 14px;border-radius:9px;
 font-size:14.5px;font-weight:500;color:var(--ink-2);
 transition:color .2s ease,background .2s ease;
}
.main-nav .nav-link:hover{color:var(--brand-1);background:#eef1fd;}
.main-nav .nav-link.active{color:var(--brand-1);font-weight:600;background:#eef1fd;}
.nav-cta{margin-left:14px;}
.navbar-toggler{
 border:1px solid var(--line);border-radius:10px;padding:7px 10px;background:#fff;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.navbar-toggler:hover{border-color:#c9d3ea;box-shadow:var(--shadow-sm);}
.navbar-toggler:focus{box-shadow:none;outline:2px solid var(--brand-1);outline-offset:2px;}
/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 border-radius:11px;padding:12px 26px;
 font-size:15px;font-weight:600;line-height:1.2;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
 min-height:44px;
}
.btn-brand{background:linear-gradient(135deg,var(--brand-1),var(--brand-2));color:#fff;box-shadow:0 8px 22px rgba(61,90,254,.28);}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(61,90,254,.38);color:#fff;}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 16px rgba(61,90,254,.32);}
.btn-line{background:#fff;color:var(--brand-1);border-color:#c9d4f8;}
.btn-line:hover{background:#eef1fd;border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;border-radius:9px;}
/* ============ 通用块 ============ */
.section{padding:76px 0;}
.section--alt{background:#fff;}
.section--soft{background:linear-gradient(180deg,#f8faff 0%,#f2f5fd 100%);}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head h2{font-size:30px;font-weight:700;line-height:1.36;margin:12px 0 12px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--brand-1);}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-1),var(--brand-2));}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 11px;border-radius:999px;
 font-size:12.5px;font-weight:600;line-height:1.6;
 background:#eef1fd;color:var(--brand-1);border:1px solid #dde4fb;
}
.tag--mint{background:#e6faf6;color:#00836f;border-color:#c8f1e8;}
.tag--violet{background:#f2eeff;color:#6444d6;border-color:#e2daff;}
.card-soft{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
 padding:26px;height:100%;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
/* ============ 分类 Hero ============ */
.cat-hero{
 position:relative;overflow:hidden;
 padding:56px 0 68px;
 background:
  radial-gradient(880px 400px at 92% -14%, rgba(122,92,255,.20), transparent 62%),
  radial-gradient(680px 360px at 4% -6%, rgba(0,191,165,.14), transparent 60%),
  linear-gradient(180deg,#f8faff 0%,var(--canvas) 100%);
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
 background:radial-gradient(circle at 30% 30%,rgba(61,90,254,.14),transparent 68%);
 pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:18px;}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{color:#c3cbdd;}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;
 padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
 background:#fff;border:1px solid #dfe6fb;color:var(--brand-1);
 box-shadow:var(--shadow-sm);margin-bottom:20px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.18);}
.cat-hero h1{font-size:38px;line-height:1.26;font-weight:800;letter-spacing:-.02em;margin:0 0 18px;max-width:16em;}
.cat-hero__lead{font-size:15.5px;line-height:1.86;color:var(--ink-2);max-width:600px;margin-bottom:22px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:22px;}
.hero-points{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:var(--muted);}
.hero-points li{display:flex;gap:9px;align-items:flex-start;}
.hero-points li::before{
 content:"";width:7px;height:7px;border-radius:50%;flex:0 0 7px;margin-top:8px;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
}
.hero-panel{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
 box-shadow:var(--shadow-md);padding:24px;position:relative;overflow:hidden;
}
.hero-panel::before{
 content:"";position:absolute;inset:0 0 auto 0;height:4px;
 background:linear-gradient(90deg,var(--brand-1),var(--brand-2),var(--accent));
}
.hero-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-panel__head h2{font-size:16px;font-weight:700;}
.stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.stat{
 border:1px solid var(--line);border-radius:var(--radius-md);
 background:linear-gradient(180deg,#fbfcff,#f5f7fe);
 padding:14px 15px;transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.stat:hover{border-color:#cdd8f5;box-shadow:var(--shadow-sm);transform:translateY(-2px);}
.stat b{display:block;font-size:22px;line-height:1.2;font-weight:800;color:var(--brand-1);letter-spacing:-.02em;}
.stat span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.hero-panel__foot{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:12.5px;color:var(--muted);}
.hero-panel__foot .line{flex:1;height:1px;background:var(--line);}
/* ============ 指标条 ============ */
.metric-band{background:#fff;border-bottom:1px solid var(--line);padding:26px 0;}
.metric-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.metric{display:flex;gap:13px;align-items:flex-start;}
.metric .ic{
 width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;
 background:#eef1fd;color:var(--brand-1);border:1px solid #dfe6fb;
}
.metric .ic svg{width:20px;height:20px;}
.metric b{display:block;font-size:17px;font-weight:700;line-height:1.4;}
.metric span{font-size:13px;color:var(--muted);}
/* ============ 策略矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.matrix-card{display:flex;gap:18px;align-items:flex-start;}
.matrix-card .num{
 flex:0 0 46px;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
 font-weight:800;font-size:16px;color:#fff;letter-spacing:-.02em;
 background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
 box-shadow:0 8px 18px rgba(61,90,254,.24);
}
.matrix-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.matrix-card p{font-size:14.2px;color:var(--ink-2);margin-bottom:12px;line-height:1.8;}
.mini-list{display:flex;flex-wrap:wrap;gap:7px;}
/* ============ 场景 ============ */
.scene-card{position:relative;overflow:hidden;padding:0;}
.scene-card img{width:100%;height:168px;object-fit:cover;border-radius:var(--radius-lg) var(--radius-lg) 0 0;}
.scene-card__body{padding:22px 24px 24px;}
.scene-card h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.scene-card p{font-size:14.2px;color:var(--ink-2);line-height:1.8;margin-bottom:12px;}
.scene-card .tag{margin-right:6px;}
/* ============ 对比表 ============ */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden;}
.compare-table{width:100%;border-collapse:collapse;margin:0;}
.compare-table thead th{
 background:linear-gradient(135deg,#eef1fd,#f6f4ff);
 color:var(--ink);font-size:14px;font-weight:700;
 padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap;
}
.compare-table tbody td{padding:15px 18px;font-size:14px;color:var(--ink-2);border-bottom:1px solid var(--line);vertical-align:top;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover{background:#fafbff;}
.compare-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
.better{color:#00836f;font-weight:600;}
/* ============ 里程碑时间线 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.timeline::before{
 content:"";position:absolute;left:6%;right:6%;top:22px;height:2px;
 background:linear-gradient(90deg,rgba(61,90,254,.35),rgba(122,92,255,.35),rgba(0,191,165,.35));
}
.step{position:relative;padding-top:56px;}
.step .dot{
 position:absolute;top:10px;left:0;width:26px;height:26px;border-radius:50%;
 background:#fff;border:2px solid var(--brand-1);display:grid;place-items:center;
 font-size:12px;font-weight:800;color:var(--brand-1);box-shadow:0 0 0 6px rgba(61,90,254,.07);
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);margin:0;line-height:1.78;}
/* ============ 资讯列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.post-card{
 display:flex;flex-direction:column;height:100%;
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-sm);overflow:hidden;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#cfd8ea;}
.post-card img{width:100%;height:164px;object-fit:cover;}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:16px;font-weight:700;line-height:1.55;}
.post-card p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.78;}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--muted);}
.empty-note{
 background:#fff;border:1px dashed #ccd6ee;border-radius:var(--radius-lg);
 padding:34px 26px;text-align:center;color:var(--muted);font-size:14px;
}
.list-more{display:flex;justify-content:center;margin-top:32px;}
/* ============ 保障 ============ */
.assure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.assure{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:20px;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease;}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.assure .ic{width:38px;height:38px;flex:0 0 38px;border-radius:11px;display:grid;place-items:center;background:#e6faf6;color:#00836f;border:1px solid #c8f1e8;}
.assure .ic svg{width:19px;height:19px;}
.assure h3{font-size:15.5px;font-weight:700;margin-bottom:6px;}
.assure p{font-size:13.8px;color:var(--muted);margin:0;line-height:1.78;}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;margin:0 auto;}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
 box-shadow:var(--shadow-sm);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#c6d2f6;box-shadow:var(--shadow-md);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;
 font-size:15.5px;font-weight:600;color:var(--ink);min-height:52px;display:flex;align-items:center;
 transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand-1);}
.faq-item summary::after{
 content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
 border-right:2px solid var(--brand-1);border-bottom:2px solid var(--brand-1);
 transform:translateY(-70%) rotate(45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);}
.faq-body{padding:0 22px 20px;color:var(--ink-2);font-size:14.2px;line-height:1.85;}
/* ============ 转化区 ============ */
.try-section{
 position:relative;overflow:hidden;color:#fff;
 background:linear-gradient(120deg,#101a33 0%,#16224a 48%,#221a4d 100%);
 padding:72px 0;
}
.try-section::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/799578e24aa0f2fe.webp');
 background-size:cover;background-position:center;opacity:.18;
}
.try-section .container{position:relative;z-index:2;}
.try-section h2{color:#fff;font-size:29px;font-weight:800;line-height:1.34;margin-bottom:14px;}
.try-section p.try-lead{color:rgba(226,234,250,.84);font-size:15px;line-height:1.85;max-width:560px;margin-bottom:22px;}
.try-points{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(226,234,250,.86);}
.try-points li{display:flex;gap:10px;align-items:flex-start;}
.try-points li::before{
 content:"";width:8px;height:8px;flex:0 0 8px;margin-top:8px;border-radius:50%;
 background:var(--accent);box-shadow:0 0 0 4px rgba(0,191,165,.16);
}
.try-card{
 background:rgba(255,255,255,.97);border-radius:var(--radius-xl);padding:26px;
 box-shadow:var(--shadow-lg);color:var(--ink);border:1px solid rgba(255,255,255,.6);
}
.try-card h3{font-size:17px;font-weight:700;margin-bottom:6px;}
.try-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.field input,.field select,.field textarea{
 width:100%;border:1px solid var(--line);border-radius:10px;background:#fbfcff;
 padding:11px 13px;font-size:14px;line-height:1.5;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
 min-height:44px;
}
.field textarea{min-height:104px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 3px rgba(61,90,254,.14);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7;}
/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#c6cfe4;padding:56px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:13.8px;line-height:1.85;color:#98a4bf;margin:0;max-width:420px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin:0 0 14px;}
.footer-col a{display:block;font-size:13.8px;color:#a8b4cd;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(3px);}
.footer-col p{font-size:13.4px;line-height:1.85;color:#8d99b6;margin:0;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.09);
 padding:18px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 font-size:12.8px;color:#7f8cab;
}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .cat-hero h1{font-size:33px;}
 .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
 .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
 .timeline::before{display:none;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
 .main-nav{margin-top:14px;margin-bottom:6px;}
 .main-nav .nav-link{padding:10px 14px;}
 .nav-cta{margin:0 0 16px;display:flex;}
 .nav-cta .btn-brand{width:100%;}
 .site-header .navbar-collapse{border-top:1px solid var(--line);padding-top:6px;}
 .cat-hero{padding:40px 0 52px;}
 .hero-panel{margin-top:10px;}
 .matrix-grid,.assure-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
 .section{padding:56px 0;}
 .section-head h2{font-size:25px;}
 .cat-hero h1{font-size:28px;}
 .cat-hero__lead{font-size:14.6px;}
 .compare-wrap{overflow-x:auto;}
 .compare-table{min-width:620px;}
 .post-grid{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr;}
 .try-section{padding:56px 0;}
 .try-section h2{font-size:24px;}
}
@media (max-width:520px){
 .container{padding-left:16px;padding-right:16px;}
 .cat-hero h1{font-size:24px;line-height:1.32;}
 .hero-actions .btn-brand,.hero-actions .btn-line{width:100%;}
 .stat-grid{grid-template-columns:1fr;}
 .timeline{grid-template-columns:1fr;gap:14px;}
 .brand-name{font-size:15.5px;}
 .footer-bottom{flex-direction:column;gap:6px;}
 .hero-panel{padding:20px;}
 .card-soft{padding:20px;}
}

/* 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}