/* roulang page: index */
:root{
  --brand:#1f5fd6;
  --brand-600:#1749a8;
  --brand-700:#113a86;
  --brand-050:#eaf1ff;
  --brand-100:#d7e4ff;
  --accent:#0aa39c;
  --accent-050:#e4f7f5;
  --warn:#e59a1b;
  --ink:#101d33;
  --ink-2:#33435c;
  --muted:#6b7c95;
  --line:#e4ecf7;
  --line-2:#d3e0f2;
  --bg:#f6f9fe;
  --surface:#ffffff;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --shadow-s:0 1px 2px rgba(16,29,51,.05), 0 3px 10px rgba(16,29,51,.05);
  --shadow-m:0 8px 26px rgba(16,29,51,.09);
  --shadow-l:0 18px 48px rgba(16,29,51,.14);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(31,95,214,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 16px 8px;
  transition:padding .25s ease, background .25s ease;
}
.site-header.is-stuck{padding-top:8px;background:rgba(246,249,254,.86);backdrop-filter:blur(10px);}
.dock{
  width:100%;max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:18px;
  min-height:64px;padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-s);
  transition:box-shadow .25s ease, border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--shadow-m);border-color:var(--line-2);}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.dock__logo:hover{color:var(--ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;font-size:16px;font-weight:700;letter-spacing:0;
  box-shadow:0 6px 14px rgba(31,95,214,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.dock__nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock__nav a.is-active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.24);}
.dock__cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 18px rgba(31,95,214,.26);
  transition:transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.dock__cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(31,95,214,.32);}
.dock__toggle{
  display:none;flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  background:var(--brand-050);border:1px solid var(--line-2);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.dock__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-600);transition:transform .2s ease,opacity .2s ease;}
.dock__toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock__toggle.is-open span:nth-child(2){opacity:0;}
.dock__toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- 通用按钮 / 胶囊 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.btn--ghost{background:#fff;color:var(--brand-600);border-color:var(--line-2);box-shadow:var(--shadow-s);}
.btn--ghost:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-050);transform:translateY(-2px);}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--brand-050);color:var(--brand-600);border:1px solid var(--brand-100);
}
.pill--accent{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.pill--plain{background:#fff;color:var(--ink-2);border-color:var(--line-2);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:26px 0 0;}
.hero__stage{
  position:relative;overflow:hidden;
  border-radius:26px;
  background:#0b1e3a;
  box-shadow:var(--shadow-l);
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/捕鱼大咖c_是个大破吞_太石了_.webp');
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,26,52,.94) 0%,rgba(11,36,72,.86) 46%,rgba(13,48,92,.58) 100%);
}
.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr .85fr;gap:38px;
  padding:52px 46px 48px;
  align-items:center;
}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);
  color:#dbe9ff;font-size:12.5px;font-weight:600;letter-spacing:.4px;
}
.hero h1{
  margin-top:18px;
  font-size:40px;line-height:1.24;font-weight:800;
  color:#fff;letter-spacing:-.4px;
  text-shadow:0 6px 24px rgba(4,16,34,.45);
}
.hero h1 em{font-style:normal;color:#7fd8d2;}
.hero__lead{
  margin-top:16px;max-width:640px;
  font-size:15px;line-height:1.85;color:#c9dbf5;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px;}
.hero__tags span{
  display:inline-block;padding:5px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:#d7e6ff;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
}
.hero__panel{
  background:rgba(255,255,255,.96);
  border-radius:18px;padding:22px 22px 18px;
  box-shadow:0 22px 50px rgba(4,16,34,.3);
  border:1px solid rgba(255,255,255,.7);
}
.hero__panel h2{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.2px;}
.hero__panel .panel-note{font-size:12.5px;color:var(--muted);margin-top:4px;}
.kv{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:13.5px;}
.kv:last-of-type{border-bottom:0;}
.kv dt{color:var(--muted);font-weight:500;}
.kv dd{margin:0;color:var(--ink);font-weight:700;}
.hero__panel .btn{width:100%;margin-top:14px;}

/* ---------- 数据条 ---------- */
.strip{
  margin-top:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);
  display:grid;grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.strip__item{padding:20px 22px;border-right:1px solid var(--line);}
.strip__item:last-child{border-right:0;}
.strip__num{font-size:24px;font-weight:800;color:var(--brand);letter-spacing:-.5px;line-height:1.2;}
.strip__label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- 板块基础 ---------- */
.section{padding:66px 0;}
.section--alt{background:linear-gradient(180deg,#eef4fd 0%,#f6f9fe 100%);}
.section--tight{padding:54px 0;}
.sec-head{max-width:720px;margin-bottom:34px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1.2px;color:var(--brand);
  text-transform:none;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:3px;background:var(--brand);display:inline-block;}
.sec-head--center .sec-kicker::before{display:none;}
.sec-title{margin-top:10px;font-size:29px;line-height:1.34;font-weight:800;color:var(--ink);letter-spacing:-.3px;}
.sec-desc{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ---------- 卡片 ---------- */
.card{
  height:100%;
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-s);
  padding:22px 22px 20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.card__icon{
  width:42px;height:42px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);
  border:1px solid var(--brand-100);margin-bottom:14px;
}
.card__icon svg{width:21px;height:21px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;}
.card p{margin-top:9px;font-size:14px;line-height:1.78;color:var(--muted);flex:1;}
.card__meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:7px;}

/* ---------- 时段卡 ---------- */
.slot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.slot{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:16px;padding:24px 22px;
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.slot:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.slot__time{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--brand-050);color:var(--brand-600);font-size:12.5px;font-weight:700;}
.slot h3{margin-top:14px;font-size:18px;font-weight:700;color:var(--ink);}
.slot p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;}
.slot__bar{margin-top:16px;height:8px;border-radius:99px;background:var(--brand-050);overflow:hidden;}
.slot__bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%);}
.slot__hint{margin-top:9px;font-size:12.5px;color:var(--muted);}

/* ---------- 图文交替 ---------- */
.band{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.band--rev .band__media{order:2;}
.band__media{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-m);border:1px solid var(--line);}
.band__media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease;}
.band__media:hover img{transform:scale(1.04);}
.band__media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 18px;font-size:13px;color:#e6f0ff;
  background:linear-gradient(180deg,rgba(9,26,52,0) 0%,rgba(9,26,52,.82) 100%);
}
.band h3{font-size:24px;font-weight:800;color:var(--ink);line-height:1.36;}
.band p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.step-list{margin-top:20px;display:grid;gap:12px;}
.step-list li{display:flex;gap:12px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.step-list b{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;
}

/* ---------- 高手列表 ---------- */
.pro-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.pro{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:22px 18px;text-align:left;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pro:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.pro__avatar{
  width:52px;height:52px;border-radius:16px;
  background:linear-gradient(150deg,var(--brand-050) 0%,var(--accent-050) 100%);
  border:1px solid var(--line-2);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:var(--brand-600);
}
.pro h3{margin-top:14px;font-size:16px;font-weight:700;color:var(--ink);}
.pro span{display:block;margin-top:3px;font-size:12.5px;color:var(--brand-600);font-weight:600;}
.pro p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 分类入口墙 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel{
  position:relative;display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:26px 24px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.channel__no{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:1.4px;}
.channel h3{margin-top:10px;font-size:19px;font-weight:800;color:var(--ink);}
.channel p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;flex:1;}
.channel__link{
  margin-top:18px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.channel__link::after{content:"→";transition:transform .2s ease;}
.channel:hover .channel__link::after{transform:translateX(4px);}

/* ---------- 场景矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.matrix > div{background:var(--surface);padding:24px 22px;transition:background .2s ease;}
.matrix > div:hover{background:#fbfdff;}
.matrix h3{font-size:15.5px;font-weight:700;color:var(--ink);}
.matrix p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 对比表 ---------- */
.compare{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-s);}
.compare table{width:100%;border-collapse:collapse;margin:0;}
.compare th,.compare td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid var(--line);}
.compare thead th{background:#f2f7ff;color:var(--ink);font-weight:700;font-size:13.5px;}
.compare tbody tr:last-child td{border-bottom:0;}
.compare tbody tr:hover{background:#fafcff;}
.compare td:first-child{font-weight:600;color:var(--ink);}
.compare .is-best{background:var(--brand-050);color:var(--brand-700);font-weight:700;}

/* ---------- 参数表 ---------- */
.spec{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 28px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 26px;box-shadow:var(--shadow-s);}
.spec__row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding-bottom:12px;border-bottom:1px dashed var(--line);}
.spec__row dt{font-size:14px;color:var(--muted);}
.spec__row dd{margin:0;font-size:14.5px;font-weight:700;color:var(--ink);text-align:right;}

/* ---------- 评价墙 ---------- */
.voice{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.voice__card{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.voice__card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.voice__stars{color:var(--warn);font-size:14px;letter-spacing:2px;}
.voice__card p{margin-top:12px;font-size:14px;color:var(--ink-2);line-height:1.8;}
.voice__who{margin-top:16px;display:flex;align-items:center;gap:10px;}
.voice__who i{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-050);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;font-style:normal;
}
.voice__who b{display:block;font-size:13.5px;color:var(--ink);font-weight:700;}
.voice__who small{display:block;font-size:12px;color:var(--muted);}

/* ---------- 更新日志 ---------- */
.log{display:grid;gap:14px;}
.log__item{
  display:grid;grid-template-columns:104px 1fr;gap:20px;align-items:start;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;box-shadow:var(--shadow-s);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.log__item:hover{border-color:var(--brand-100);box-shadow:var(--shadow-m);transform:translateY(-2px);}
.log__ver{font-size:15px;font-weight:800;color:var(--brand);}
.log__ver small{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:2px;}
.log__body h3{font-size:15.5px;font-weight:700;color:var(--ink);}
.log__body p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75;}

/* ---------- 疑问拆解 ---------- */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq__item{background:var(--surface);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow-s);overflow:hidden;}
.faq__item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:background .2s ease;
}
.faq__item summary::-webkit-details-marker{display:none;}
.faq__item summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--brand-050);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;
}
.faq__item[open] summary{background:#f7fbff;}
.faq__item[open] summary::after{content:"–";}
.faq__item summary:hover{background:#f7fbff;}
.faq__body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.85;}

/* ---------- 资讯列表 ---------- */
.news-wrap{display:grid;grid-template-columns:1.55fr .95fr;gap:28px;align-items:start;}
.news-list{display:grid;gap:14px;}
.news-card{
  display:block;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.news-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.55;}
.news-card:hover h3{color:var(--brand-600);}
.news-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.78;}
.news-card .meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted);}
.news-card .meta b{color:var(--brand-600);font-weight:600;}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;box-shadow:var(--shadow-s);}
.news-side h3{font-size:16px;font-weight:800;color:var(--ink);}
.news-side p{margin-top:10px;font-size:13.5px;color:var(--muted);line-height:1.8;}
.news-side .btn{width:100%;margin-top:18px;}
.news-empty{padding:26px;background:var(--surface);border:1px dashed var(--line-2);border-radius:14px;color:var(--muted);font-size:14px;}

/* ---------- 表单 ---------- */
.form-sec{background:linear-gradient(135deg,#12305c 0%,#1a4a92 100%);border-radius:26px;padding:44px;color:#fff;box-shadow:var(--shadow-l);}
.form-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center;}
.form-sec h2{font-size:28px;font-weight:800;line-height:1.35;color:#fff;}
.form-sec .form-lead{margin-top:14px;font-size:14.5px;color:#c4d8f5;line-height:1.85;}
.form-sec .form-points{margin-top:22px;display:grid;gap:10px;}
.form-sec .form-points li{display:flex;gap:10px;font-size:14px;color:#dae7fa;line-height:1.7;}
.form-sec .form-points li::before{content:"";flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:#7fd8d2;margin-top:9px;}
.form-card{background:#fff;border-radius:18px;padding:26px 24px;box-shadow:0 20px 44px rgba(6,20,42,.28);}
.form-card label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:7px;}
.field{margin-bottom:15px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid var(--line-2);border-radius:var(--radius-s);
  font-size:14px;color:var(--ink);background:#fbfdff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(31,95,214,.14);
}
.field input::placeholder{color:#9aabc2;}
.form-card .btn{width:100%;margin-top:4px;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7;}

/* ---------- 保障条 ---------- */
.guard{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guard__item{
  display:flex;gap:13px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:20px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.guard__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.guard__item svg{width:22px;height:22px;flex:0 0 auto;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:2px;}
.guard__item b{display:block;font-size:14.5px;color:var(--ink);font-weight:700;}
.guard__item span{display:block;margin-top:5px;font-size:13px;color:var(--muted);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d1c34;color:#a9bcd8;padding:56px 0 0;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;}
.footer-brand .logo-mark{width:32px;height:32px;font-size:15px;border-radius:10px;}
.site-footer p.footer-text{margin-top:14px;font-size:13.5px;line-height:1.85;color:#8ba2c2;max-width:340px;}
.site-footer h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:#9cb2d1;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#7fd8d2;padding-left:4px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#7d93b3;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 26px rgba(16,29,51,.1);
}
.sticky-bar__inner{
  max-width:var(--maxw);margin:0 auto;padding:11px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-bar__text{font-size:13.5px;color:var(--ink-2);line-height:1.5;}
.sticky-bar__text b{color:var(--ink);font-weight:700;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1024px){
  .hero__inner{grid-template-columns:1fr;padding:42px 32px;gap:28px;}
  .hero h1{font-size:33px;}
  .hero__panel{max-width:460px;}
  .strip{grid-template-columns:repeat(2,1fr);}
  .strip__item:nth-child(2){border-right:0;}
  .strip__item:nth-child(1),.strip__item:nth-child(2){border-bottom:1px solid var(--line);}
  .band{grid-template-columns:1fr;gap:26px;}
  .band--rev .band__media{order:0;}
  .slot-grid,.channel-grid,.voice,.guard{grid-template-columns:repeat(2,1fr);}
  .pro-grid{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .news-wrap{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;gap:28px;}
  .form-sec{padding:32px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .dock__nav{
    position:absolute;left:16px;right:16px;top:calc(100% + 8px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    padding:12px;box-shadow:var(--shadow-m);
    display:none;
  }
  .dock__nav.is-open{display:flex;}
  .dock__nav a{padding:12px 16px;border-radius:12px;font-size:15px;min-height:44px;}
  .dock{position:relative;flex-wrap:nowrap;}
  .dock__toggle{display:flex;}
  .dock__cta{min-height:40px;padding:0 16px;font-size:13.5px;}
  .logo-text{font-size:15px;}
}
@media screen and (max-width:768px){
  body{font-size:14.5px;padding-bottom:84px;}
  .section{padding:48px 0;}
  .sec-title{font-size:23px;}
  .hero h1{font-size:27px;line-height:1.32;}
  .hero__inner{padding:32px 22px;}
  .hero__lead{font-size:14px;}
  .strip{grid-template-columns:1fr 1fr;}
  .strip__item{padding:16px 16px;}
  .strip__num{font-size:20px;}
  .slot-grid,.channel-grid,.voice,.guard,.pro-grid,.matrix{grid-template-columns:1fr;}
  .spec{grid-template-columns:1fr;padding:20px;}
  .compare{overflow-x:auto;}
  .compare table{min-width:620px;}
  .log__item{grid-template-columns:1fr;gap:8px;}
  .form-sec{border-radius:20px;padding:26px 20px;}
  .form-sec h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .sticky-bar__text{font-size:12.5px;}
  .btn{min-height:44px;padding:0 18px;font-size:14px;}
}
@media screen and (max-width:520px){
  .container{padding:0 16px;}
  .site-header{padding:10px 10px 6px;}
  .dock{padding:8px 10px 8px 12px;gap:10px;min-height:58px;}
  .logo-text{display:none;}
  .dock__cta{padding:0 14px;font-size:13px;}
  .hero__tags span{font-size:11.5px;padding:4px 11px;}
  .hero h1{font-size:23px;}
  .hero__actions .btn{flex:1 1 100%;}
  .strip{grid-template-columns:1fr;}
  .strip__item{border-right:0;border-bottom:1px solid var(--line);}
  .strip__item:last-child{border-bottom:0;}
  .sec-title{font-size:21px;}
  .sticky-bar__inner{padding:9px 14px;}
  .sticky-bar__text{display:none;}
  .sticky-bar__inner .btn{width:100%;}
}

/* roulang page: article */
:root{
 --brand:#1f5fd6;
 --brand-600:#1749a8;
 --brand-700:#113a86;
 --brand-050:#eaf1ff;
 --brand-100:#d7e4ff;
 --accent:#0aa39c;
 --accent-050:#e4f7f5;
 --warn:#e59a1b;
 --ink:#101d33;
 --ink-2:#33435c;
 --muted:#6b7c95;
 --line:#e4ecf7;
 --line-2:#d3e0f2;
 --bg:#f6f9fe;
 --surface:#ffffff;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --shadow-s:0 1px 2px rgba(16,29,51,.05), 0 3px 10px rgba(16,29,51,.05);
 --shadow-m:0 8px 26px rgba(16,29,51,.09);
 --shadow-l:0 18px 48px rgba(16,29,51,.14);
 --maxw:1180px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 padding-bottom:82px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font-family:inherit;}
button{cursor:pointer;}
a:focus-visible,
button:focus-visible,
summary:focus-visible{outline:3px solid rgba(31,95,214,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 padding:14px 16px 8px;
 transition:padding .25s ease,background .25s ease;
}
.site-header.is-stuck{padding-top:8px;background:rgba(246,249,254,.86);backdrop-filter:blur(10px);}
.site-header.is-stuck .dock{box-shadow:var(--shadow-m);border-color:var(--line-2);}
.dock{
 position:relative;
 display:flex;align-items:center;gap:16px;
 max-width:var(--maxw);margin:0 auto;
 padding:10px 14px 10px 18px;
 background:rgba(255,255,255,.94);
 border:1px solid var(--line);
 border-radius:18px;
 box-shadow:var(--shadow-s);
 backdrop-filter:blur(10px);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.dock__logo:hover{color:var(--ink);}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:11px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;font-size:16px;font-weight:700;
 box-shadow:0 6px 14px rgba(31,95,214,.28);
 flex:0 0 auto;
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
 display:inline-block;padding:8px 14px;border-radius:999px;
 font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
 transition:background .2s ease,color .2s ease;
}
.dock__nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock__nav a.is-active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.24);}
.dock__cta{
 flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 20px;border-radius:999px;
 background:var(--brand);color:#fff;font-size:14px;font-weight:600;
 box-shadow:0 8px 18px rgba(31,95,214,.26);
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.dock__cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(31,95,214,.32);}
.dock__toggle{
 display:none;flex-direction:column;justify-content:center;gap:4px;
 width:42px;height:42px;padding:0 10px;margin-left:auto;
 background:#fff;border:1px solid var(--line-2);border-radius:12px;
}
.dock__toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .2s ease,opacity .2s ease;}
.dock__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock__toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- 按钮 / 标签 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 24px;border-radius:var(--radius-s);
 font-size:15px;font-weight:600;border:1px solid transparent;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.btn--ghost{background:#fff;color:var(--brand-600);border-color:var(--line-2);box-shadow:var(--shadow-s);}
.btn--ghost:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-050);transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.pill{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.2px;
 background:var(--brand-050);color:var(--brand-600);border:1px solid var(--brand-100);
}
.pill--accent{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.pill--plain{background:#fff;color:var(--ink-2);border-color:var(--line-2);}
/* ---------- 文章头 ---------- */
.article-hero{padding:30px 0 8px;}
.article-hero__grid{
 display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 box-shadow:var(--shadow-m);
 padding:34px 34px 32px;
 position:relative;overflow:hidden;
}
.article-hero__grid::before{
 content:"";position:absolute;inset:0 0 auto 0;height:4px;
 background:linear-gradient(90deg,var(--brand) 0%,var(--accent) 100%);
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:16px;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs span.sep{color:var(--line-2);}
.article-hero h1{
 font-size:34px;line-height:1.32;font-weight:800;color:var(--ink);
 letter-spacing:-.3px;margin-top:14px;
}
.article-hero__lead{
 margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);
}
.article-hero__meta{
 display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:20px;
 font-size:13px;color:var(--muted);
}
.article-hero__meta strong{color:var(--ink);font-weight:600;}
.article-hero__media{
 border-radius:var(--radius);
 overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow-s);background:var(--brand-050);
}
.article-hero__media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .4s ease;}
.article-hero__media:hover img{transform:scale(1.04);}
/* ---------- 板块通用 ---------- */
.section{padding:56px 0;}
.section--tight{padding:40px 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--deep{background:linear-gradient(180deg,#0d2a54 0%,#0a1e3d 100%);color:#c7d9f2;}
.section-head{max-width:720px;margin-bottom:30px;}
.section-head .pill{margin-bottom:12px;}
.section-head h2{
 font-size:26px;line-height:1.4;font-weight:800;color:var(--ink);letter-spacing:-.2px;
 display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
 content:"";width:5px;height:24px;border-radius:3px;
 background:linear-gradient(180deg,var(--brand),var(--accent));flex:0 0 auto;
}
.section-head p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.section--deep .section-head h2{color:#fff;}
.section--deep .section-head p{color:#a9c3e6;}
/* ---------- 正文 ---------- */
.article-main{padding-top:36px;}
.article-card{
 max-width:860px;margin:0 auto;background:var(--surface);
 border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-s);padding:34px 38px 38px;
}
.article-body{font-size:15.5px;line-height:1.88;color:var(--ink-2);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 16px;}
.article-body h2{
 font-size:22px;line-height:1.45;font-weight:700;color:var(--ink);
 margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--brand);
}
.article-body h3{
 font-size:17px;line-height:1.5;font-weight:700;color:var(--ink);
 margin:26px 0 10px;
}
.article-body h4{font-size:15.5px;font-weight:700;color:var(--ink);margin:20px 0 8px;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body em{font-style:normal;color:var(--brand-600);font-weight:600;}
.article-body a{text-decoration:underline;text-underline-offset:3px;}
.article-body ul,
.article-body ol{margin:0 0 18px;padding-left:0;}
.article-body ul li,
.article-body ol li{
 position:relative;padding-left:20px;margin-bottom:9px;line-height:1.85;
}
.article-body ul li::before{
 content:"";position:absolute;left:2px;top:11px;
 width:7px;height:7px;border-radius:50%;
 background:var(--brand);opacity:.75;
}
.article-body ol{counter-reset:rl-ol;}
.article-body ol li{counter-increment:rl-ol;}
.article-body ol li::before{
 content:counter(rl-ol);
 position:absolute;left:0;top:2px;
 width:18px;height:18px;border-radius:50%;
 background:var(--brand-050);color:var(--brand-600);
 font-size:11px;font-weight:700;line-height:18px;text-align:center;
}
.article-body img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-s);}
.article-body blockquote{
 margin:22px 0;padding:16px 20px;border-left:4px solid var(--accent);
 background:var(--accent-050);border-radius:0 var(--radius) var(--radius) 0;
 color:#0b5f5a;font-size:14.5px;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;}
.article-body th,
.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--brand-050);color:var(--ink);font-weight:600;}
.empty-state{padding:26px 0 10px;text-align:center;}
.empty-state h2{
 font-size:22px;font-weight:700;color:var(--ink);
 border:0;padding:0;margin:0 0 10px;
}
.empty-state p{color:var(--muted);margin-bottom:20px;}
/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.rl-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px 22px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.rl-card__icon{
 width:44px;height:44px;border-radius:12px;
 display:inline-flex;align-items:center;justify-content:center;
 background:var(--brand-050);color:var(--brand-600);
 font-size:15px;font-weight:800;letter-spacing:0;
 margin-bottom:14px;border:1px solid var(--brand-100);
}
.rl-card h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;margin-bottom:8px;}
.rl-card p{font-size:14px;line-height:1.82;color:var(--ink-2);margin-bottom:14px;}
.rl-card .pill{margin-top:auto;align-self:flex-start;}
/* ---------- 清单 ---------- */
.check-list{display:grid;gap:12px;}
.check-item{
 display:flex;align-items:flex-start;gap:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 18px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.check-item__num{
 flex:0 0 auto;width:30px;height:30px;border-radius:9px;
 display:inline-flex;align-items:center;justify-content:center;
 background:linear-gradient(150deg,var(--brand),var(--accent));color:#fff;
 font-size:13px;font-weight:700;
}
.check-item h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.check-item p{font-size:13.5px;line-height:1.75;color:var(--muted);}
/* ---------- 数据块 ---------- */
.stat-band{
 display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
 background:rgba(255,255,255,.14);
 border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-l);
 overflow:hidden;
}
.stat-cell{background:rgba(255,255,255,.05);padding:26px 22px;}
.stat-cell strong{display:block;font-size:26px;font-weight:800;color:#fff;line-height:1.2;letter-spacing:-.3px;}
.stat-cell span{display:block;margin-top:8px;font-size:13px;color:#a9c3e6;line-height:1.7;}
/* ---------- 图文块 ---------- */
.feature-split{
 display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-s);padding:30px;overflow:hidden;
}
.feature-split__media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.feature-split__media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .4s ease;}
.feature-split:hover .feature-split__media img{transform:scale(1.03);}
.feature-split h2{font-size:23px;font-weight:800;color:var(--ink);line-height:1.42;margin-bottom:12px;}
.feature-split p{font-size:14.5px;line-height:1.85;color:var(--ink-2);margin-bottom:12px;}
.feature-split ul{display:grid;gap:8px;margin-top:14px;}
.feature-split ul li{
 position:relative;padding-left:20px;font-size:14px;color:var(--ink-2);line-height:1.75;
}
.feature-split ul li::before{
 content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;border-radius:50%;
 background:var(--accent);
}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:880px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--brand-100);box-shadow:var(--shadow-m);}
.faq-item summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:17px 20px;font-size:15px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;
 display:inline-flex;align-items:center;justify-content:center;
 background:var(--brand-050);color:var(--brand-600);font-size:16px;font-weight:700;line-height:1;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--brand);color:#fff;}
.faq-item .faq-body{padding:0 20px 18px;font-size:14px;line-height:1.85;color:var(--ink-2);}
/* ---------- CTA 保障条 ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--radius-l);
 background:linear-gradient(120deg,#12345f 0%,#1f5fd6 100%);
 padding:44px 42px;color:#e6efff;
 box-shadow:var(--shadow-l);
 display:grid;grid-template-columns:1.4fr .6fr;gap:28px;align-items:center;
}
.cta-band h2{font-size:26px;font-weight:800;color:#fff;line-height:1.4;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.85;color:#c6dcff;max-width:620px;}
.cta-band__actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-band__actions .btn{width:100%;}
.cta-band__note{font-size:12.5px;color:#a9c8f0;text-align:center;}
.guarantee{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.guarantee span{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#dbe9ff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
}
/* ---------- 底部固定转化条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.96);
 border-top:1px solid var(--line);
 box-shadow:0 -6px 24px rgba(16,29,51,.09);
 backdrop-filter:blur(10px);
}
.sticky-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;}
.sticky-cta__text{display:flex;flex-direction:column;line-height:1.4;}
.sticky-cta__text strong{font-size:14.5px;color:var(--ink);font-weight:700;}
.sticky-cta__text span{font-size:12.5px;color:var(--muted);}
/* ---------- 页脚 ---------- */
.site-footer{
 background:#0c1f3c;color:#a9c3e6;
 padding:56px 0 26px;margin-top:64px;
 border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
 display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;
 padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;margin-bottom:14px;}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:.2px;}
.footer-text{font-size:13.5px;line-height:1.85;color:#96b1d4;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:#a9c3e6;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:22px;font-size:12.5px;color:#7e9bc2;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .article-hero__grid{grid-template-columns:1fr;padding:28px 26px;}
 .article-hero h1{font-size:29px;}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .stat-band{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
 .cta-band{grid-template-columns:1fr;padding:34px 28px;}
 .cta-band__actions{flex-direction:row;align-items:center;}
 .cta-band__actions .btn{width:auto;}
}
@media (max-width:860px){
 .dock__nav{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow-m);display:none;
 }
 .dock__nav.is-open{display:flex;}
 .dock__nav a{padding:11px 14px;border-radius:10px;text-align:left;font-size:14.5px;}
 .dock__cta{display:none;}
 .dock__toggle{display:flex;}
 .article-card{padding:26px 22px 28px;}
 .feature-split{grid-template-columns:1fr;padding:22px;}
 .section{padding:44px 0;}
}
@media (max-width:640px){
 .container{padding:0 16px;}
 .article-hero{padding-top:20px;}
 .article-hero__grid{padding:22px 18px;border-radius:var(--radius);}
 .article-hero h1{font-size:24px;line-height:1.38;}
 .article-hero__lead{font-size:14px;}
 .grid-3,.grid-2{grid-template-columns:1fr;}
 .stat-band{grid-template-columns:1fr;}
 .section-head h2{font-size:21px;}
 .article-body{font-size:15px;}
 .article-body h2{font-size:19px;}
 .cta-band h2{font-size:21px;}
 .cta-band__actions{flex-direction:column;align-items:stretch;}
 .cta-band__actions .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;}
 .sticky-cta__text span{display:none;}
 .sticky-cta__inner{padding:10px 16px;}
 .btn{min-height:44px;}
}
@media (max-width:420px){
 .logo-text{font-size:14.5px;max-width:170px;overflow:hidden;text-overflow:ellipsis;}
}

/* roulang page: category1 */
:root{
 --brand:#1f5fd6;
 --brand-600:#1749a8;
 --brand-700:#113a86;
 --brand-050:#eaf1ff;
 --brand-100:#d7e4ff;
 --accent:#0aa39c;
 --accent-050:#e4f7f5;
 --warn:#e59a1b;
 --ink:#101d33;
 --ink-2:#33435c;
 --muted:#6b7c95;
 --line:#e4ecf7;
 --line-2:#d3e0f2;
 --bg:#f6f9fe;
 --surface:#ffffff;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --shadow-s:0 1px 2px rgba(16,29,51,.05), 0 3px 10px rgba(16,29,51,.05);
 --shadow-m:0 8px 26px rgba(16,29,51,.09);
 --shadow-l:0 18px 48px rgba(16,29,51,.14);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 padding-bottom:76px;
 -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--ink);}
p{margin:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 顶部浮动 Dock 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 padding:14px 16px 8px;
 transition:padding .25s ease,background .25s ease;
}
.site-header.is-stuck{padding-top:8px;background:rgba(246,249,254,.86);backdrop-filter:blur(10px);}
.site-header.is-stuck .dock{box-shadow:var(--shadow-m);border-color:var(--line-2);}
.dock{
 display:flex;align-items:center;gap:18px;
 max-width:var(--maxw);margin:0 auto;
 padding:10px 16px;border-radius:18px;
 background:rgba(255,255,255,.94);
 border:1px solid rgba(228,236,247,.95);
 box-shadow:var(--shadow-s);
 backdrop-filter:blur(12px);
}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.dock__logo:hover{color:var(--ink);}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:11px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;font-size:16px;font-weight:700;
 box-shadow:0 6px 14px rgba(31,95,214,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
 display:inline-block;padding:8px 14px;border-radius:999px;
 font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
 transition:background .2s ease,color .2s ease;
}
.dock__nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock__nav a.is-active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.24);}
.dock__cta{
 flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 20px;border-radius:999px;
 background:var(--brand);color:#fff;font-size:14px;font-weight:600;
 box-shadow:0 8px 18px rgba(31,95,214,.26);
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.dock__cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(31,95,214,.32);}
.dock__toggle{
 display:none;flex-direction:column;justify-content:center;gap:5px;
 width:44px;height:44px;padding:0 11px;border-radius:12px;
 background:#fff;border:1px solid var(--line-2);box-shadow:var(--shadow-s);
}
.dock__toggle span{display:block;height:2px;width:100%;background:var(--ink-2);border-radius:2px;transition:background .2s ease;}
.dock__toggle:hover span{background:var(--brand);}

/* ---------- 按钮 / 胶囊 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 24px;border-radius:var(--radius-s);
 font-size:15px;font-weight:600;border:1px solid transparent;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.btn--ghost{background:#fff;color:var(--brand-600);border-color:var(--line-2);box-shadow:var(--shadow-s);}
.btn--ghost:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-050);transform:translateY(-2px);}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible,.dock a:focus-visible,.dock__toggle:focus-visible{outline:3px solid rgba(31,95,214,.45);outline-offset:2px;}
.pill{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.2px;
 background:var(--brand-050);color:var(--brand-600);border:1px solid var(--brand-100);
}
.pill--accent{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.pill--plain{background:#fff;color:var(--ink-2);border-color:var(--line-2);}

/* ---------- 杂志分栏 Hero ---------- */
.page-hero{padding:30px 0 0;}
.page-hero__grid{display:grid;grid-template-columns:1.42fr .88fr;gap:26px;align-items:stretch;}
.hero-copy{
 position:relative;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);border-radius:22px;
 box-shadow:var(--shadow-m);padding:40px 42px 36px;
}
.hero-copy::before{
 content:"";position:absolute;top:-110px;right:-80px;width:280px;height:280px;border-radius:50%;
 background:radial-gradient(circle,var(--brand-050) 0%,rgba(234,241,255,0) 72%);
}
.hero-copy > *{position:relative;}
.hero-copy h1{
 margin-top:16px;font-size:36px;font-weight:800;letter-spacing:-.5px;color:var(--ink);
}
.hero-copy h1 em{font-style:normal;color:var(--brand);}
.hero-copy__lead{margin-top:16px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:600px;}
.hero-copy__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.hero-copy__tags span{
 display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:var(--brand-600);background:var(--brand-050);border:1px solid var(--brand-100);
}
.hero-copy__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-pick{
 display:flex;flex-direction:column;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow-m);
}
.hero-pick__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.hero-pick__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hero-pick:hover .hero-pick__media img{transform:scale(1.04);}
.hero-pick__media figcaption{
 position:absolute;left:14px;bottom:14px;
 padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
 background:rgba(11,30,58,.78);color:#dce9fb;backdrop-filter:blur(6px);
}
.hero-pick__body{padding:22px 24px 24px;flex:1;}
.hero-pick__body h2{font-size:16px;font-weight:700;}
.spec-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:11px;}
.spec-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:13.5px;color:var(--muted);border-bottom:1px dashed var(--line);padding-bottom:10px;}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list b{color:var(--ink);font-size:14px;font-weight:700;}

/* ---------- 数据条 ---------- */
.stat-strip{padding:26px 0 0;}
.stat-strip__inner{
 display:grid;grid-template-columns:repeat(4,1fr);
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-s);overflow:hidden;
}
.stat{padding:22px 20px;text-align:center;border-right:1px solid var(--line);transition:background .2s ease;}
.stat:last-child{border-right:0;}
.stat:hover{background:var(--brand-050);}
.stat strong{display:block;font-size:22px;font-weight:800;color:var(--brand-600);letter-spacing:-.3px;}
.stat span{display:block;margin-top:4px;font-size:12.5px;color:var(--muted);}

/* ---------- 区块 ---------- */
.section{padding:50px 0;}
.section--alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--tint{background:linear-gradient(180deg,#f6f9fe 0%,#eef4fd 100%);}
.sec-head{max-width:760px;margin-bottom:28px;}
.sec-head__kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.6px;color:var(--brand-600);
}
.sec-head__kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--brand);}
.sec-head h2{margin-top:10px;font-size:26px;font-weight:800;letter-spacing:-.3px;}
.sec-head p{margin-top:10px;font-size:14.5px;line-height:1.85;color:var(--muted);}

/* ---------- 卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);padding:24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.card p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.card__media{border-radius:10px;overflow:hidden;margin-bottom:16px;aspect-ratio:16/10;}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__index{
 display:inline-flex;align-items:center;justify-content:center;
 width:30px;height:30px;border-radius:9px;margin-bottom:14px;
 background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:800;
}
.card__foot{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
 display:inline-block;padding:3px 10px;border-radius:999px;
 font-size:12px;font-weight:600;color:var(--accent);
 background:var(--accent-050);border:1px solid #c8eeea;
}

/* ---------- 安装步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:26px 22px 24px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.step__num{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:11px;margin-bottom:14px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;font-size:14px;font-weight:800;
 box-shadow:0 8px 16px rgba(31,95,214,.24);
}
.step h3{font-size:15.5px;font-weight:700;margin-bottom:8px;}
.step p{font-size:13.5px;line-height:1.8;color:var(--muted);}

/* ---------- 清单 ---------- */
.tick{list-style:none;margin:0;padding:0;display:grid;gap:10px;}
.tick li{position:relative;padding-left:24px;font-size:14px;line-height:1.75;color:var(--ink-2);}
.tick li::before{
 content:"";position:absolute;left:0;top:8px;
 width:9px;height:9px;border-radius:3px;background:var(--accent);
}
.card .tick{margin-top:14px;}

/* ---------- 评价 ---------- */
.quote{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.quote p{font-size:14px;line-height:1.85;color:var(--ink-2);}
.quote__who{display:flex;align-items:center;gap:10px;margin-top:16px;}
.quote__avatar{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:50%;
 background:var(--brand-050);color:var(--brand-600);font-size:13px;font-weight:800;
}
.quote__who b{display:block;font-size:13.5px;color:var(--ink);}
.quote__who span{display:block;font-size:12px;color:var(--muted);}

/* ---------- 内容列表 ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-s);color:var(--ink-2);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);color:var(--ink-2);}
.post-card__date{font-size:12px;font-weight:600;color:var(--accent);letter-spacing:.3px;}
.post-card h3{font-size:15.5px;font-weight:700;line-height:1.5;color:var(--ink);}
.post-card p{font-size:13.5px;line-height:1.75;color:var(--muted);}
.post-empty{
 background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);
 padding:28px;font-size:14px;color:var(--muted);text-align:center;
}

/* ---------- FAQ ---------- */
.faq{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);overflow:hidden;max-width:900px;
}
.faq details + details{border-top:1px solid var(--line);}
.faq summary{
 list-style:none;cursor:pointer;position:relative;
 padding:18px 54px 18px 24px;
 font-size:15px;font-weight:700;color:var(--ink);
 transition:background .2s ease,color .2s ease;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary:hover{background:var(--brand-050);color:var(--brand-700);}
.faq summary::after{
 content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
 font-size:20px;font-weight:700;color:var(--brand);line-height:1;
}
.faq details[open] summary::after{content:"–";}
.faq__body{padding:0 24px 20px;font-size:14px;line-height:1.85;color:var(--ink-2);}

/* ---------- 收口 CTA ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:22px;
 background:linear-gradient(120deg,#0d2a52 0%,#134486 58%,#12558f 100%);
 padding:44px 44px;
 box-shadow:var(--shadow-l);
 display:grid;grid-template-columns:1.5fr auto;gap:28px;align-items:center;
}
.cta-band h2{color:#fff;font-size:26px;font-weight:800;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.85;color:#c6daf5;max-width:640px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 底部固定条 ---------- */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
 border-top:1px solid var(--line);box-shadow:0 -6px 24px rgba(16,29,51,.08);
}
.sticky-cta__inner{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 max-width:var(--maxw);margin:0 auto;padding:12px 20px;
}
.sticky-cta__text b{display:block;font-size:14px;color:var(--ink);font-weight:700;}
.sticky-cta__text span{display:block;font-size:12.5px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:#0b1e3a;color:#c3d4ee;margin-top:56px;padding:54px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-text{font-size:13.5px;line-height:1.85;color:#9fb5d4;margin:0;}
.site-footer h4{font-size:14px;color:#fff;margin:0 0 14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{color:#9fb5d4;font-size:13.5px;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0 26px;display:flex;justify-content:space-between;gap:12px;
 font-size:12.5px;color:#7e97bb;flex-wrap:wrap;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .page-hero__grid{grid-template-columns:1fr;}
 .hero-copy{padding:34px 30px 30px;}
 .hero-copy h1{font-size:31px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);}
 .post-list{grid-template-columns:repeat(2,1fr);}
 .cta-band{grid-template-columns:1fr;padding:36px 30px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
 .dock{flex-wrap:wrap;gap:10px;padding:10px 14px;}
 .dock__nav{
  order:3;flex-basis:100%;flex-direction:column;align-items:stretch;
  margin-left:0;display:none;padding-top:6px;border-top:1px solid var(--line);
 }
 .dock__nav.is-open{display:flex;}
 .dock__nav a{padding:12px 14px;border-radius:12px;font-size:14.5px;}
 .dock__cta{margin-left:auto;min-height:40px;padding:0 16px;font-size:13.5px;}
 .dock__toggle{display:flex;}
}
@media (max-width:768px){
 .section{padding:38px 0;}
 .sec-head h2{font-size:22px;}
 .hero-copy h1{font-size:27px;}
 .stat-strip__inner{grid-template-columns:repeat(2,1fr);}
 .stat{border-right:1px solid var(--line);border-bottom:1px solid var(--line);}
 .stat:nth-child(2n){border-right:0;}
 .stat:nth-last-child(-n+2){border-bottom:0;}
 .grid-2,.grid-3,.grid-4,.post-list{grid-template-columns:1fr;}
 .steps{grid-template-columns:1fr;}
 .cta-band h2{font-size:22px;}
 .sticky-cta__text span{display:none;}
 .sticky-cta__text b{font-size:13px;}
}
@media (max-width:520px){
 .logo-text{font-size:14.5px;}
 .hero-copy{padding:28px 22px 26px;}
 .hero-copy h1{font-size:24px;}
 .hero-copy__actions .btn{width:100%;}
 .footer-grid{grid-template-columns:1fr;}
 .cta-band{padding:28px 22px;}
 .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category2 */
:root{
 --brand:#1f5fd6;
 --brand-600:#1749a8;
 --brand-700:#113a86;
 --brand-050:#eaf1ff;
 --brand-100:#d7e4ff;
 --accent:#0aa39c;
 --accent-050:#e4f7f5;
 --warn:#e59a1b;
 --ink:#101d33;
 --ink-2:#33435c;
 --muted:#6b7c95;
 --line:#e4ecf7;
 --line-2:#d3e0f2;
 --bg:#f6f9fe;
 --surface:#ffffff;
 --radius-s:8px;
 --radius:12px;
 --radius-l:18px;
 --shadow-s:0 1px 2px rgba(16,29,51,.05), 0 3px 10px rgba(16,29,51,.05);
 --shadow-m:0 8px 26px rgba(16,29,51,.09);
 --shadow-l:0 18px 48px rgba(16,29,51,.14);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--ink-2);
 background:var(--bg);
 padding-bottom:86px;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--ink);font-family:inherit;letter-spacing:-.2px;}
p{margin:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid rgba(31,95,214,.45);outline-offset:2px;border-radius:6px;}
/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 padding:14px 16px 8px;
 transition:padding .25s ease, background .25s ease;
}
.site-header.is-stuck{padding-top:8px;background:rgba(246,249,254,.86);backdrop-filter:blur(10px);}
.dock{
 position:relative;
 max-width:var(--maxw);margin:0 auto;
 display:flex;align-items:center;gap:16px;
 padding:10px 16px;
 background:rgba(255,255,255,.94);
 border:1px solid var(--line);
 border-radius:999px;
 box-shadow:var(--shadow-s);
 backdrop-filter:blur(10px);
 transition:box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-stuck .dock{box-shadow:var(--shadow-m);border-color:var(--line-2);}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.dock__logo:hover{color:var(--ink);}
.logo-mark{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:11px;
 background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;font-size:16px;font-weight:700;
 box-shadow:0 6px 14px rgba(31,95,214,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
 display:inline-block;padding:8px 14px;border-radius:999px;
 font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
 transition:background .2s ease,color .2s ease;
}
.dock__nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock__nav a.is-active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.24);}
.dock__cta{
 flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
 min-height:42px;padding:0 20px;border-radius:999px;
 background:var(--brand);color:#fff;font-size:14px;font-weight:600;
 box-shadow:0 8px 18px rgba(31,95,214,.26);
 transition:transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.dock__cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(31,95,214,.32);}
.dock__toggle{
 display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
 width:42px;height:42px;border-radius:12px;border:1px solid var(--line-2);
 background:#fff;margin-left:auto;
}
.dock__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2);transition:transform .2s ease,opacity .2s ease;}
.dock__toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.dock__toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.dock__toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
/* ---------- 按钮 / 胶囊 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 min-height:46px;padding:0 24px;border-radius:var(--radius-s);
 font-size:15px;font-weight:600;border:1px solid transparent;
 transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.btn--ghost{background:#fff;color:var(--brand-600);border-color:var(--line-2);box-shadow:var(--shadow-s);}
.btn--ghost:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-050);transform:translateY(-2px);}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.pill{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 13px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.2px;
 background:var(--brand-050);color:var(--brand-600);border:1px solid var(--brand-100);
}
.pill--accent{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.pill--plain{background:#fff;color:var(--ink-2);border-color:var(--line-2);}
/* ---------- Hero ---------- */
.page-hero{
 padding:36px 0 8px;
 background:
  radial-gradient(900px 320px at 12% -10%,rgba(31,95,214,.10),transparent 70%),
  radial-gradient(700px 280px at 92% 0%,rgba(10,163,156,.10),transparent 70%);
}
.hero__grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:center;}
.hero__title{
 margin-top:16px;
 font-size:clamp(28px,3.4vw,40px);
 line-height:1.28;font-weight:800;color:var(--ink);
 letter-spacing:-.6px;
}
.hero__title em{font-style:normal;color:var(--brand);}
.hero__lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:var(--ink-2);max-width:600px;}
.hero__tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.quick-panel{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 box-shadow:var(--shadow-m);
 overflow:hidden;
}
.quick-panel__media{position:relative;}
.quick-panel__media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.quick-panel__badge{
 position:absolute;left:14px;bottom:12px;
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;
 background:rgba(9,26,52,.72);color:#e4f0ff;
 font-size:12px;font-weight:600;backdrop-filter:blur(6px);
}
.quick-panel__body{padding:20px 22px 22px;}
.quick-panel__body h2{font-size:15px;font-weight:700;color:var(--ink);}
.quick-panel__body .note{font-size:12.5px;color:var(--muted);margin-top:4px;}
.quick-list{margin-top:14px;display:grid;gap:10px;}
.quick-list li{
 display:flex;align-items:flex-start;gap:10px;
 font-size:13.8px;color:var(--ink-2);
 padding-bottom:10px;border-bottom:1px dashed var(--line);
}
.quick-list li:last-child{border-bottom:0;padding-bottom:0;}
.quick-list b{color:var(--ink);font-weight:700;}
.dot{flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-top:9px;}
/* ---------- 通用 section ---------- */
.section{padding:62px 0;}
.section--tint{background:#eef4fd;}
.section--white{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px;flex-wrap:wrap;}
.section-kicker{
 display:inline-flex;align-items:center;gap:6px;
 padding:4px 12px;border-radius:999px;
 font-size:12px;font-weight:700;letter-spacing:.3px;
 color:var(--brand-600);background:var(--brand-050);border:1px solid var(--brand-100);
}
.section-title{margin-top:12px;font-size:26px;font-weight:800;color:var(--ink);letter-spacing:-.4px;}
.section-sub{margin-top:8px;font-size:14.5px;color:var(--muted);max-width:640px;}
/* ---------- 网格与卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tile{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 box-shadow:var(--shadow-s);padding:24px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.tile__icon{
 width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
 background:var(--brand-050);color:var(--brand);margin-bottom:16px;
}
.tile__icon svg{width:22px;height:22px;}
.tile__title{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:9px;}
.tile__text{font-size:14.5px;line-height:1.78;color:var(--ink-2);}
.tile__tag{margin-top:16px;}
/* 场景卡 */
.scene{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 overflow:hidden;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.scene img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene__body{padding:18px 20px 20px;}
.scene__title{font-size:16px;font-weight:700;color:var(--ink);}
.scene__text{margin-top:8px;font-size:14px;color:var(--ink-2);}
.scene__meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
 position:relative;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius);padding:26px 22px 24px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.step__no{
 display:inline-flex;align-items:center;justify-content:center;
 width:34px;height:34px;border-radius:10px;
 background:var(--brand);color:#fff;font-size:14px;font-weight:700;
 margin-bottom:14px;box-shadow:0 8px 16px rgba(31,95,214,.24);
}
.step__title{font-size:15.5px;font-weight:700;color:var(--ink);}
.step__text{margin-top:8px;font-size:14px;color:var(--ink-2);}
/* 表格 */
.tbl-wrap{overflow-x:auto;border-radius:var(--radius);box-shadow:var(--shadow-s);}
.tbl{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--line);min-width:640px;}
.tbl th{
 background:var(--brand-050);color:var(--brand-700);
 font-size:13.5px;font-weight:700;text-align:left;
 padding:14px 18px;letter-spacing:.2px;
}
.tbl td{padding:14px 18px;border-top:1px solid var(--line);font-size:14.2px;color:var(--ink-2);}
.tbl tbody tr{transition:background .2s ease;}
.tbl tbody tr:hover{background:#f8fbff;}
.tbl td strong{color:var(--ink);}
/* 评价 */
.voice{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 padding:24px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease;
}
.voice:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.voice__text{font-size:14.5px;line-height:1.8;color:var(--ink-2);}
.voice__who{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13.2px;color:var(--muted);}
.voice__avatar{
 width:34px;height:34px;border-radius:50%;
 background:var(--brand-050);color:var(--brand-600);
 display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
/* 对比 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare__col{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;box-shadow:var(--shadow-s);}
.compare__col--good{border-color:#c8e9e6;background:linear-gradient(180deg,#f3fbfa 0%,#fff 46%);}
.compare__col--bad{border-color:#f0dfc4;background:linear-gradient(180deg,#fdf8ef 0%,#fff 46%);}
.compare__head{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:16px;}
.tag-bad{background:#fdf1de;color:#a3701a;border-color:#f0dfc4;}
.tag-good{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.compare__list{display:grid;gap:12px;}
.compare__list li{display:flex;gap:10px;font-size:14.2px;color:var(--ink-2);line-height:1.75;}
.compare__list li span:first-child{flex:0 0 auto;font-weight:700;color:var(--muted);}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
 display:flex;flex-direction:column;gap:10px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow-s);color:inherit;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--brand-100);color:inherit;}
.news-card h3{font-size:15.5px;font-weight:700;color:var(--ink);line-height:1.6;}
.news-card p{font-size:13.8px;color:var(--muted);line-height:1.75;}
.news-card__meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);margin-top:auto;padding-top:6px;}
.news-card__meta .tag{background:var(--brand-050);color:var(--brand-600);padding:2px 10px;border-radius:999px;font-weight:600;}
.news-empty{
 background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);
 padding:34px 24px;text-align:center;color:var(--muted);font-size:14px;
}
/* FAQ */
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 box-shadow:var(--shadow-s);margin-bottom:12px;overflow:hidden;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--brand-100);box-shadow:var(--shadow-m);}
.faq-item summary{
 cursor:pointer;padding:18px 22px;font-size:15px;font-weight:600;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--brand);font-weight:400;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item p{padding:0 22px 20px;font-size:14.2px;color:var(--ink-2);}
/* 转化区 */
.cta-band{
 background:linear-gradient(120deg,#113a86 0%,#1f5fd6 58%,#0aa39c 100%);
 border-radius:24px;padding:44px 46px;color:#fff;
 display:flex;align-items:center;justify-content:space-between;gap:34px;
 box-shadow:var(--shadow-l);
}
.cta-band h2{color:#fff;font-size:26px;font-weight:800;letter-spacing:-.3px;}
.cta-band p{margin-top:12px;color:#d5e4fb;font-size:14.5px;max-width:640px;}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
/* 固定转化条 */
.sticky-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:55;
 background:rgba(255,255,255,.95);
 border-top:1px solid var(--line);
 box-shadow:0 -8px 24px rgba(16,29,51,.08);
 backdrop-filter:blur(12px);
}
.sticky-bar__inner{
 max-width:var(--maxw);margin:0 auto;padding:12px 20px;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.sticky-bar__text{font-size:13.6px;color:var(--ink-2);}
.sticky-bar__text b{color:var(--ink);}
/* ---------- 页脚 ---------- */
.site-footer{background:#0b1e3a;color:#c9dbf5;padding:56px 0 0;margin-top:48px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:12px;}
.footer-grid h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-links a{display:block;color:#a9c2e4;font-size:14px;padding:5px 0;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-text{font-size:13.5px;line-height:1.8;color:#9db6d8;}
.footer-bottom{
 border-top:1px solid rgba(255,255,255,.12);
 padding:18px 0;display:flex;justify-content:space-between;gap:12px;
 font-size:13px;color:#8ba7cd;flex-wrap:wrap;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .hero__grid{grid-template-columns:1fr;gap:28px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .news-grid{grid-template-columns:repeat(2,1fr);}
 .steps{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
 .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
}
@media (max-width:860px){
 .dock__nav{
  position:absolute;top:calc(100% + 10px);left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:10px;box-shadow:var(--shadow-m);display:none;margin-left:0;
 }
 .dock__nav.is-open{display:flex;}
 .dock__nav a{padding:12px 14px;border-radius:10px;font-size:14.5px;}
 .dock__toggle{display:inline-flex;}
 .dock__cta{display:none;}
 .section{padding:48px 0;}
 .compare{grid-template-columns:1fr;}
 .section-title{font-size:23px;}
}
@media (max-width:768px){
 .grid-3,.grid-2{grid-template-columns:1fr;}
 .news-grid{grid-template-columns:1fr;}
 .hero__title{font-size:27px;}
 .footer-grid{grid-template-columns:1fr;gap:24px;}
 .sticky-bar__inner{padding:10px 16px;}
 .sticky-bar__text{font-size:12.8px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .grid-4,.steps{grid-template-columns:1fr;}
 .dock{padding:8px 12px;gap:10px;}
 .logo-text{font-size:14px;}
 .btn{width:100%;}
 .hero__actions{flex-direction:column;align-items:stretch;}
 .cta-band{padding:28px 22px;border-radius:18px;}
 .cta-band h2{font-size:21px;}
 .sticky-bar__text{display:none;}
 .sticky-bar__inner{justify-content:center;}
 .sticky-bar__inner .btn{width:100%;}
 .quick-panel__body{padding:16px;}
}

/* roulang page: category3 */
:root{
  --brand:#1f5fd6;
  --brand-600:#1749a8;
  --brand-700:#113a86;
  --brand-050:#eaf1ff;
  --brand-100:#d7e4ff;
  --accent:#0aa39c;
  --accent-050:#e4f7f5;
  --warn:#e59a1b;
  --ink:#101d33;
  --ink-2:#33435c;
  --muted:#6b7c95;
  --line:#e4ecf7;
  --line-2:#d3e0f2;
  --bg:#f6f9fe;
  --surface:#ffffff;
  --radius-s:8px;
  --radius:12px;
  --radius-l:18px;
  --shadow-s:0 1px 2px rgba(16,29,51,.05), 0 3px 10px rgba(16,29,51,.05);
  --shadow-m:0 8px 26px rgba(16,29,51,.09);
  --shadow-l:0 18px 48px rgba(16,29,51,.14);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  padding-bottom:78px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-600);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
select,input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(31,95,214,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}

/* ---------- 浮动 Dock 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 16px 8px;
  transition:padding .25s ease,background .25s ease;
}
.site-header.is-stuck{padding-top:8px;background:rgba(246,249,254,.86);backdrop-filter:blur(10px);}
.site-header.is-stuck .dock{box-shadow:var(--shadow-m);border-color:var(--line-2);}
.dock{
  position:relative;
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-s);
  backdrop-filter:blur(12px);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.dock__logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.dock__logo:hover{color:var(--ink);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 14px rgba(31,95,214,.28);
}
.logo-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock__nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock__nav a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.dock__nav a:hover{background:var(--brand-050);color:var(--brand-600);}
.dock__nav a.is-active{background:var(--brand);color:#fff;font-weight:600;box-shadow:0 6px 14px rgba(31,95,214,.24);}
.dock__cta{
  flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 18px rgba(31,95,214,.26);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.dock__cta:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(31,95,214,.32);}
.dock__toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:42px;height:42px;padding:0;border-radius:12px;
  background:#fff;border:1px solid var(--line-2);
}
.dock__toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-2);}

/* ---------- 按钮 / 胶囊 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-s);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(31,95,214,.26);}
.btn--primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,95,214,.32);}
.btn--ghost{background:#fff;color:var(--brand-600);border-color:var(--line-2);box-shadow:var(--shadow-s);}
.btn--ghost:hover{color:var(--brand-700);border-color:var(--brand-100);background:var(--brand-050);transform:translateY(-2px);}
.btn--light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);}
.btn--light:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px);}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:var(--brand-050);color:var(--brand-600);border:1px solid var(--brand-100);
}
.pill--accent{background:var(--accent-050);color:#077d78;border-color:#bfeae6;}
.pill--plain{background:#fff;color:var(--ink-2);border-color:var(--line-2);}

/* ---------- 分类首屏 Bento ---------- */
.cat-hero{padding:18px 0 0;}
.bento{
  display:grid;
  grid-template-columns:1.45fr .8fr .95fr;
  grid-template-rows:auto auto;
  gap:16px;
}
.bento__main{
  grid-column:1;grid-row:1 / span 2;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:24px;
  padding:34px 34px 30px;
  box-shadow:var(--shadow-m);
  position:relative;overflow:hidden;
}
.bento__main::before{
  content:"";position:absolute;right:-90px;top:-90px;width:250px;height:250px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(31,95,214,.14),rgba(31,95,214,0) 68%);
}
.cat-hero h1{
  font-size:36px;line-height:1.26;letter-spacing:-.4px;margin-top:16px;
  position:relative;z-index:1;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{margin-top:14px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:560px;position:relative;z-index:1;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;position:relative;z-index:1;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px;position:relative;z-index:1;}
.hero-tags span{
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:var(--brand-600);background:var(--brand-050);border:1px solid var(--brand-100);
}
.mini-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:22px 22px 20px;box-shadow:var(--shadow-s);
  display:flex;flex-direction:column;justify-content:center;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--line-2);}
.mini-card__label{font-size:12.5px;color:var(--muted);font-weight:600;letter-spacing:.3px;}
.mini-card__value{font-size:28px;font-weight:800;color:var(--brand);line-height:1.25;margin-top:6px;letter-spacing:-.5px;}
.mini-card__value small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:4px;letter-spacing:0;}
.mini-card__note{font-size:13px;color:var(--ink-2);margin-top:6px;line-height:1.65;}
.bento__figure{
  grid-column:3;grid-row:1 / span 2;margin:0;
  border-radius:24px;overflow:hidden;position:relative;
  box-shadow:var(--shadow-m);border:1px solid var(--line);
  min-height:280px;
}
.bento__figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.bento__figure:hover img{transform:scale(1.04);}
.bento__figure figcaption{
  position:absolute;left:14px;right:14px;bottom:14px;
  padding:10px 14px;border-radius:12px;
  background:rgba(11,30,58,.76);backdrop-filter:blur(6px);
  color:#e6f0ff;font-size:12.5px;line-height:1.6;
}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:16px;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:20px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.stat__num{font-size:24px;font-weight:800;color:var(--ink);letter-spacing:-.4px;}
.stat__num span{font-size:13px;font-weight:600;color:var(--brand);margin-left:5px;}
.stat__label{font-size:13px;color:var(--muted);margin-top:2px;}

/* ---------- 区块 ---------- */
.section{padding:66px 0;}
.section--white{background:var(--surface);}
.section--tint{background:linear-gradient(180deg,#edf3ff 0%,#f6f9fe 100%);}
.section--deep{background:#0e2342;color:#c7d8f2;}
.section--deep h2,.section--deep h3{color:#fff;}
.section--deep .sec-desc{color:#a9c1e2;}
.section__head{max-width:720px;margin-bottom:34px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:1px;color:var(--brand);
  text-transform:uppercase;
}
.sec-eyebrow::before{content:"";display:block;width:22px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--accent));}
.section__head h2{font-size:27px;margin-top:10px;letter-spacing:-.3px;}
.sec-desc{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);}
.section--wide .section__head{max-width:820px;}

/* ---------- 卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-s);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-2);}
.card__thumb{position:relative;overflow:hidden;}
.card__thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.card:hover .card__thumb img{transform:scale(1.05);}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card__body h3{font-size:17px;line-height:1.45;}
.card__body p{font-size:14px;line-height:1.75;color:var(--ink-2);}
.card__tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:12px;}
.card__tags span{
  font-size:12px;font-weight:600;color:var(--brand-600);
  background:var(--brand-050);border:1px solid var(--brand-100);
  border-radius:999px;padding:3px 10px;
}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-s);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--brand-100);}
.step__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-050);color:var(--brand-600);
  font-size:14px;font-weight:800;border:1px solid var(--brand-100);
}
.step h3{font-size:16px;margin-top:14px;}
.step p{font-size:13.8px;line-height:1.75;color:var(--ink-2);margin-top:8px;}
.step__time{display:block;margin-top:12px;font-size:12.5px;font-weight:600;color:var(--accent);}

/* ---------- 版本对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare__card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 26px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.compare__card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.compare__card--now{border-color:var(--brand-100);box-shadow:0 14px 34px rgba(31,95,214,.12);}
.compare__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.compare__head h3{font-size:18px;}
.compare__list{margin-top:16px;display:grid;gap:12px;}
.compare__list li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--ink-2);}
.compare__list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;margin-top:9px;
  background:var(--brand);box-shadow:0 0 0 3px var(--brand-050);
}
.compare__card--old .compare__list li::before{background:var(--muted);box-shadow:0 0 0 3px #eef2f8;}

/* ---------- 玩家反馈 ---------- */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);}
.quote p{font-size:14.2px;line-height:1.8;color:var(--ink-2);}
.quote__who{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);}
.avatar{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand-050),var(--brand-100));
  color:var(--brand-600);font-size:13px;font-weight:800;
}
.quote__who strong{display:block;font-size:13.5px;color:var(--ink);font-weight:700;}
.quote__who small{font-size:12px;color:var(--muted);}

/* ---------- 更新动态列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-s);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:var(--line-2);}
.news-card__body{display:block;padding:22px 22px 20px;color:inherit;}
.news-card__body:hover{color:inherit;}
.news-card__tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--accent);
  background:var(--accent-050);border:1px solid #bfeae6;border-radius:999px;padding:3px 10px;
}
.news-card h3{font-size:16px;line-height:1.5;margin-top:12px;transition:color .2s ease;}
.news-card:hover h3{color:var(--brand-600);}
.news-card p{font-size:13.6px;line-height:1.72;color:var(--ink-2);margin-top:8px;}
.news-card__meta{display:block;font-size:12.5px;color:var(--muted);margin-top:14px;}
.news-empty{
  padding:34px 24px;text-align:center;font-size:14px;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line-2);border-radius:var(--radius);
}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--radius-l);background:var(--surface);overflow:hidden;box-shadow:var(--shadow-s);}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  font-size:15.5px;font-weight:600;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq summary:hover{background:var(--brand-050);color:var(--brand-700);}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-050);color:var(--brand-600);font-size:16px;font-weight:700;line-height:1;
}
.faq details[open] summary::after{content:"−";background:var(--brand);color:#fff;}
.faq__answer{padding:0 24px 20px;font-size:14.2px;line-height:1.82;color:var(--ink-2);}

/* ---------- 转化区 ---------- */
.cta-band{
  border-radius:24px;overflow:hidden;position:relative;
  background:linear-gradient(120deg,#123a7f 0%,#1f5fd6 58%,#0aa39c 100%);
  padding:44px 40px;
  display:grid;grid-template-columns:1.25fr .9fr;gap:32px;align-items:center;
  box-shadow:var(--shadow-l);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(255,255,255,.22),rgba(255,255,255,0) 70%);
}
.cta-band h2{color:#fff;font-size:26px;letter-spacing:-.3px;position:relative;z-index:1;}
.cta-band p{color:#d5e4ff;font-size:14.5px;line-height:1.8;margin-top:12px;position:relative;z-index:1;}
.cta-band__list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative;z-index:1;}
.cta-band__list span{
  font-size:12.5px;font-weight:600;color:#eaf2ff;
  background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.32);
  border-radius:999px;padding:4px 12px;
}
.get-form{
  position:relative;z-index:1;
  background:rgba(255,255,255,.97);border-radius:18px;padding:22px;
  box-shadow:0 22px 44px rgba(6,22,48,.28);
}
.get-form__field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.get-form__field label{font-size:13px;font-weight:600;color:var(--ink);}
.get-form__field select,
.get-form__field input{
  width:100%;min-height:44px;padding:0 14px;font-size:14px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line-2);border-radius:var(--radius-s);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.get-form__field select:focus,
.get-form__field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,95,214,.14);outline:none;}
.get-form .btn{width:100%;}
.get-form__tip{margin-top:12px;font-size:13px;color:var(--accent);min-height:20px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d1c33;color:#a9bdd8;padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:700;}
.footer-text{font-size:13.6px;line-height:1.8;color:#93a9c6;margin-top:14px;}
.site-footer h4{color:#fff;font-size:14.5px;font-weight:700;margin-bottom:14px;letter-spacing:.3px;}
.footer-links{display:flex;flex-direction:column;gap:9px;}
.footer-links a{font-size:13.8px;color:#a9bdd8;transition:color .2s ease,transform .2s ease;}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.8px;color:#7f96b5;
}

/* ---------- 底部固定转化条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 26px rgba(16,29,51,.09);
  backdrop-filter:blur(10px);
}
.sticky-bar__inner{
  max-width:var(--maxw);margin:0 auto;padding:11px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.sticky-bar__text{font-size:13.5px;color:var(--ink-2);line-height:1.5;}
.sticky-bar__text strong{color:var(--brand-600);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .bento{grid-template-columns:1.3fr .9fr;}
  .bento__figure{grid-column:1 / -1;grid-row:3;min-height:240px;}
  .bento__main{grid-row:1 / span 2;}
  .mini-card{grid-column:2;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .grid-3,.news-grid,.quotes{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:34px 28px;}
  .cat-hero h1{font-size:32px;}
}
@media (max-width:900px){
  .dock__nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    padding:10px;box-shadow:var(--shadow-m);
    display:none;
  }
  .dock__nav.is-open{display:flex;}
  .dock__nav a{padding:11px 14px;border-radius:12px;font-size:15px;}
  .dock{border-radius:20px;padding:9px 12px 9px 14px;}
  .dock__toggle{display:flex;order:3;}
  .dock__cta{order:2;margin-left:auto;min-height:40px;padding:0 16px;font-size:13.5px;}
  .dock__nav{order:4;}
  .dock__logo .logo-text{font-size:15px;}
}
@media (max-width:768px){
  .section{padding:48px 0;}
  .bento{grid-template-columns:1fr;}
  .bento__main{grid-column:1;grid-row:auto;padding:26px 22px 24px;}
  .bento__figure{grid-column:1;grid-row:auto;min-height:210px;}
  .mini-card{grid-column:1;}
  .cat-hero h1{font-size:27px;}
  .hero-lead{font-size:14.5px;}
  .grid-3,.grid-2,.news-grid,.quotes,.steps,.stat-strip,.compare{grid-template-columns:1fr;}
  .section__head h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band h2{font-size:22px;}
  .sticky-bar__text{font-size:12.5px;}
}
@media (max-width:520px){
  body{padding-bottom:72px;}
  .container{padding:0 16px;}
  .dock__logo .logo-text{max-width:130px;overflow:hidden;text-overflow:ellipsis;}
  .dock__cta{padding:0 14px;font-size:13px;}
  .hero-actions .btn{width:100%;}
  .bento__main{padding:22px 18px;}
  .cat-hero h1{font-size:24px;line-height:1.3;}
  .stat{padding:16px 18px;}
  .stat__num{font-size:21px;}
  .faq summary{padding:16px 18px;font-size:14.5px;}
  .faq__answer{padding:0 18px 18px;font-size:13.8px;}
  .cta-band{padding:26px 20px;border-radius:18px;}
  .get-form{padding:18px;}
  .sticky-bar__inner{padding:9px 16px;gap:10px;flex-direction:column;align-items:stretch;}
  .sticky-bar__inner .btn{width:100%;min-height:42px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}